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Merge branch 'integration-2.6.39-for-tony' of git://git.pwsan.com/linux-integration into omap-for-linus

Browse Source 
Conflicts:
	arch/arm/mach-omap2/pm34xx.c
This commit is contained in:
Tony Lindgren 2011-03-11 09:20:03 -08:00
commit a2358a7bc3
75 changed files with 3566 additions and 1947 deletions
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10
MAINTAINERS
View File

@ -4506,6 +4506,16 @@ L: linux-omap@vger.kernel.org
S: Maintained
F: arch/arm/*omap*/*pm*
OMAP POWERDOMAIN/CLOCKDOMAIN SOC ADAPTATION LAYER SUPPORT
M: Rajendra Nayak <rnayak@ti.com>
M: Paul Walmsley <paul@pwsan.com>
L: linux-omap@vger.kernel.org
S: Maintained
F: arch/arm/mach-omap2/powerdomain2xxx_3xxx.c
F: arch/arm/mach-omap2/powerdomain44xx.c
F: arch/arm/mach-omap2/clockdomain2xxx_3xxx.c
F: arch/arm/mach-omap2/clockdomain44xx.c
OMAP AUDIO SUPPORT
M: Jarkko Nikula <jhnikula@gmail.com>
L: alsa-devel@alsa-project.org (subscribers-only)

34
arch/arm/mach-omap2/Makefile
View File

@ -59,10 +59,10 @@ endif
# Power Management
ifeq ($(CONFIG_PM),y)
obj-$(CONFIG_ARCH_OMAP2) += pm24xx.o
obj-$(CONFIG_ARCH_OMAP2) += sleep24xx.o pm_bus.o voltage.o
obj-$(CONFIG_ARCH_OMAP3) += pm34xx.o sleep34xx.o voltage.o \
obj-$(CONFIG_ARCH_OMAP2) += sleep24xx.o pm_bus.o
obj-$(CONFIG_ARCH_OMAP3) += pm34xx.o sleep34xx.o \
cpuidle34xx.o pm_bus.o
obj-$(CONFIG_ARCH_OMAP4) += pm44xx.o voltage.o pm_bus.o
obj-$(CONFIG_ARCH_OMAP4) += pm44xx.o pm_bus.o
obj-$(CONFIG_PM_DEBUG) += pm-debug.o
obj-$(CONFIG_OMAP_SMARTREFLEX) += sr_device.o smartreflex.o
obj-$(CONFIG_OMAP_SMARTREFLEX_CLASS3) += smartreflex-class3.o
@ -78,13 +78,25 @@ endif
# PRCM
obj-$(CONFIG_ARCH_OMAP2) += prcm.o cm2xxx_3xxx.o prm2xxx_3xxx.o
obj-$(CONFIG_ARCH_OMAP3) += prcm.o cm2xxx_3xxx.o prm2xxx_3xxx.o
obj-$(CONFIG_ARCH_OMAP3) += prcm.o cm2xxx_3xxx.o prm2xxx_3xxx.o \
vc3xxx_data.o vp3xxx_data.o
# XXX The presence of cm2xxx_3xxx.o on the line below is temporary and
# will be removed once the OMAP4 part of the codebase is converted to
# use OMAP4-specific PRCM functions.
obj-$(CONFIG_ARCH_OMAP4) += prcm.o cm2xxx_3xxx.o cminst44xx.o \
cm44xx.o prcm_mpu44xx.o \
prminst44xx.o
prminst44xx.o vc44xx_data.o \
vp44xx_data.o
# OMAP voltage domains
ifeq ($(CONFIG_PM),y)
voltagedomain-common := voltage.o
obj-$(CONFIG_ARCH_OMAP2) += $(voltagedomain-common)
obj-$(CONFIG_ARCH_OMAP3) += $(voltagedomain-common) \
voltagedomains3xxx_data.o
obj-$(CONFIG_ARCH_OMAP4) += $(voltagedomain-common) \
voltagedomains44xx_data.o
endif
# OMAP powerdomain framework
powerdomain-common += powerdomain.o powerdomain-common.o
@ -102,25 +114,31 @@ obj-$(CONFIG_ARCH_OMAP4) += $(powerdomain-common) \
# PRCM clockdomain control
obj-$(CONFIG_ARCH_OMAP2) += clockdomain.o \
clockdomain2xxx_3xxx.o \
clockdomains2xxx_3xxx_data.o
obj-$(CONFIG_ARCH_OMAP3) += clockdomain.o \
clockdomain2xxx_3xxx.o \
clockdomains2xxx_3xxx_data.o
obj-$(CONFIG_ARCH_OMAP4) += clockdomain.o \
clockdomain44xx.o \
clockdomains44xx_data.o
# Clock framework
obj-$(CONFIG_ARCH_OMAP2) += $(clock-common) clock2xxx.o \
clkt2xxx_sys.o \
clkt2xxx_dpllcore.o \
clkt2xxx_virt_prcm_set.o \
clkt2xxx_apll.o clkt2xxx_osc.o
clkt2xxx_apll.o clkt2xxx_osc.o \
clkt2xxx_dpll.o clkt_iclk.o
obj-$(CONFIG_SOC_OMAP2420) += clock2420_data.o
obj-$(CONFIG_SOC_OMAP2430) += clock2430.o clock2430_data.o
obj-$(CONFIG_ARCH_OMAP3) += $(clock-common) clock3xxx.o \
clock34xx.o clkt34xx_dpll3m2.o \
clock3517.o clock36xx.o \
dpll3xxx.o clock3xxx_data.o
dpll3xxx.o clock3xxx_data.o \
clkt_iclk.o
obj-$(CONFIG_ARCH_OMAP4) += $(clock-common) clock44xx_data.o \
dpll3xxx.o
dpll3xxx.o dpll44xx.o
# OMAP2 clock rate set data (old "OPP" data)
obj-$(CONFIG_SOC_OMAP2420) += opp2420_data.o

24
arch/arm/mach-omap2/clkt2xxx_apll.c
View File

@ -78,6 +78,26 @@ static int omap2_clk_apll54_enable(struct clk *clk)
return omap2_clk_apll_enable(clk, OMAP24XX_ST_54M_APLL_MASK);
}
static void _apll96_allow_idle(struct clk *clk)
{
omap2xxx_cm_set_apll96_auto_low_power_stop();
}
static void _apll96_deny_idle(struct clk *clk)
{
omap2xxx_cm_set_apll96_disable_autoidle();
}
static void _apll54_allow_idle(struct clk *clk)
{
omap2xxx_cm_set_apll54_auto_low_power_stop();
}
static void _apll54_deny_idle(struct clk *clk)
{
omap2xxx_cm_set_apll54_disable_autoidle();
}
/* Stop APLL */
static void omap2_clk_apll_disable(struct clk *clk)
{
@ -93,11 +113,15 @@ static void omap2_clk_apll_disable(struct clk *clk)
const struct clkops clkops_apll96 = {
.enable = omap2_clk_apll96_enable,
.disable = omap2_clk_apll_disable,
.allow_idle = _apll96_allow_idle,
.deny_idle = _apll96_deny_idle,
};
const struct clkops clkops_apll54 = {
.enable = omap2_clk_apll54_enable,
.disable = omap2_clk_apll_disable,
.allow_idle = _apll54_allow_idle,
.deny_idle = _apll54_deny_idle,
};
/* Public functions */

63
arch/arm/mach-omap2/clkt2xxx_dpll.c Normal file
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@ -0,0 +1,63 @@
/*
* OMAP2-specific DPLL control functions
*
* Copyright (C) 2011 Nokia Corporation
* Paul Walmsley
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <plat/clock.h>
#include "clock.h"
#include "cm2xxx_3xxx.h"
#include "cm-regbits-24xx.h"
/* Private functions */
/**
* _allow_idle - enable DPLL autoidle bits
* @clk: struct clk * of the DPLL to operate on
*
* Enable DPLL automatic idle control. The DPLL will enter low-power
* stop when its downstream clocks are gated. No return value.
* REVISIT: DPLL can optionally enter low-power bypass by writing 0x1
* instead. Add some mechanism to optionally enter this mode.
*/
static void _allow_idle(struct clk *clk)
{
if (!clk || !clk->dpll_data)
return;
omap2xxx_cm_set_dpll_auto_low_power_stop();
}
/**
* _deny_idle - prevent DPLL from automatically idling
* @clk: struct clk * of the DPLL to operate on
*
* Disable DPLL automatic idle control. No return value.
*/
static void _deny_idle(struct clk *clk)
{
if (!clk || !clk->dpll_data)
return;
omap2xxx_cm_set_dpll_disable_autoidle();
}
/* Public data */
const struct clkops clkops_omap2xxx_dpll_ops = {
.allow_idle = _allow_idle,
.deny_idle = _deny_idle,
};

14
arch/arm/mach-omap2/clkt2xxx_osc.c
View File

@ -30,6 +30,13 @@
#include "prm2xxx_3xxx.h"
#include "prm-regbits-24xx.h"
/*
* XXX This does not actually enable the osc_ck, since the osc_ck must
* be running for this function to be called. Instead, this function
* is used to disable an autoidle mode on the osc_ck. The existing
* clk_enable/clk_disable()-based usecounting for osc_ck should be
* replaced with autoidle-based usecounting.
*/
static int omap2_enable_osc_ck(struct clk *clk)
{
u32 pcc;
@ -41,6 +48,13 @@ static int omap2_enable_osc_ck(struct clk *clk)
return 0;
}
/*
* XXX This does not actually disable the osc_ck, since doing so would
* immediately halt the system. Instead, this function is used to
* enable an autoidle mode on the osc_ck. The existing
* clk_enable/clk_disable()-based usecounting for osc_ck should be
* replaced with autoidle-based usecounting.
*/
static void omap2_disable_osc_ck(struct clk *clk)
{
u32 pcc;

91
arch/arm/mach-omap2/clkt_dpll.c
View File

@ -178,12 +178,11 @@ void omap2_init_dpll_parent(struct clk *clk)
if (!dd)
return;
/* Return bypass rate if DPLL is bypassed */
v = __raw_readl(dd->control_reg);
v &= dd->enable_mask;
v >>= __ffs(dd->enable_mask);
/* Reparent in case the dpll is in bypass */
/* Reparent the struct clk in case the dpll is in bypass */
if (cpu_is_omap24xx()) {
if (v == OMAP2XXX_EN_DPLL_LPBYPASS ||
v == OMAP2XXX_EN_DPLL_FRBYPASS)
@ -259,51 +258,23 @@ u32 omap2_get_dpll_rate(struct clk *clk)
/* DPLL rate rounding code */
/**
* omap2_dpll_set_rate_tolerance: set the error tolerance during rate rounding
* @clk: struct clk * of the DPLL
* @tolerance: maximum rate error tolerance
*
* Set the maximum DPLL rate error tolerance for the rate rounding
* algorithm. The rate tolerance is an attempt to balance DPLL power
* saving (the least divider value "n") vs. rate fidelity (the least
* difference between the desired DPLL target rate and the rounded
* rate out of the algorithm). So, increasing the tolerance is likely
* to decrease DPLL power consumption and increase DPLL rate error.
* Returns -EINVAL if provided a null clock ptr or a clk that is not a
* DPLL; or 0 upon success.
*/
int omap2_dpll_set_rate_tolerance(struct clk *clk, unsigned int tolerance)
{
if (!clk || !clk->dpll_data)
return -EINVAL;
clk->dpll_data->rate_tolerance = tolerance;
return 0;
}
/**
* omap2_dpll_round_rate - round a target rate for an OMAP DPLL
* @clk: struct clk * for a DPLL
* @target_rate: desired DPLL clock rate
*
* Given a DPLL, a desired target rate, and a rate tolerance, round
* the target rate to a possible, programmable rate for this DPLL.
* Rate tolerance is assumed to be set by the caller before this
* function is called. Attempts to select the minimum possible n
* within the tolerance to reduce power consumption. Stores the
* computed (m, n) in the DPLL's dpll_data structure so set_rate()
* will not need to call this (expensive) function again. Returns ~0
* if the target rate cannot be rounded, either because the rate is
* too low or because the rate tolerance is set too tightly; or the
* rounded rate upon success.
* Given a DPLL and a desired target rate, round the target rate to a
* possible, programmable rate for this DPLL. Attempts to select the
* minimum possible n. Stores the computed (m, n) in the DPLL's
* dpll_data structure so set_rate() will not need to call this
* (expensive) function again. Returns ~0 if the target rate cannot
* be rounded, or the rounded rate upon success.
*/
long omap2_dpll_round_rate(struct clk *clk, unsigned long target_rate)
{
int m, n, r, e, scaled_max_m;
unsigned long scaled_rt_rp, new_rate;
int min_e = -1, min_e_m = -1, min_e_n = -1;
int m, n, r, scaled_max_m;
unsigned long scaled_rt_rp;
unsigned long new_rate = 0;
struct dpll_data *dd;
if (!clk || !clk->dpll_data)
@ -311,8 +282,8 @@ long omap2_dpll_round_rate(struct clk *clk, unsigned long target_rate)
dd = clk->dpll_data;
pr_debug("clock: starting DPLL round_rate for clock %s, target rate "
"%ld\n", clk->name, target_rate);
pr_debug("clock: %s: starting DPLL round_rate, target rate %ld\n",
clk->name, target_rate);
scaled_rt_rp = target_rate / (dd->clk_ref->rate / DPLL_SCALE_FACTOR);
scaled_max_m = dd->max_multiplier * DPLL_SCALE_FACTOR;
@ -347,39 +318,23 @@ long omap2_dpll_round_rate(struct clk *clk, unsigned long target_rate)
if (r == DPLL_MULT_UNDERFLOW)
continue;
e = target_rate - new_rate;
pr_debug("clock: n = %d: m = %d: rate error is %d "
"(new_rate = %ld)\n", n, m, e, new_rate);
pr_debug("clock: %s: m = %d: n = %d: new_rate = %ld\n",
clk->name, m, n, new_rate);
if (min_e == -1 ||
min_e >= (int)(abs(e) - dd->rate_tolerance)) {
min_e = e;
min_e_m = m;
min_e_n = n;
pr_debug("clock: found new least error %d\n", min_e);
/* We found good settings -- bail out now */
if (min_e <= dd->rate_tolerance)
break;
if (target_rate == new_rate) {
dd->last_rounded_m = m;
dd->last_rounded_n = n;
dd->last_rounded_rate = target_rate;
break;
}
}
if (min_e < 0) {
pr_debug("clock: error: target rate or tolerance too low\n");
if (target_rate != new_rate) {
pr_debug("clock: %s: cannot round to rate %ld\n", clk->name,
target_rate);
return ~0;
}
dd->last_rounded_m = min_e_m;
dd->last_rounded_n = min_e_n;
dd->last_rounded_rate = _dpll_compute_new_rate(dd->clk_ref->rate,
min_e_m, min_e_n);
pr_debug("clock: final least error: e = %d, m = %d, n = %d\n",
min_e, min_e_m, min_e_n);
pr_debug("clock: final rate: %ld (target rate: %ld)\n",
dd->last_rounded_rate, target_rate);
return dd->last_rounded_rate;
return target_rate;
}

82
arch/arm/mach-omap2/clkt_iclk.c Normal file
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@ -0,0 +1,82 @@
/*
* OMAP2/3 interface clock control
*
* Copyright (C) 2011 Nokia Corporation
* Paul Walmsley
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#undef DEBUG
#include <linux/kernel.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <plat/clock.h>
#include <plat/prcm.h>
#include "clock.h"
#include "clock2xxx.h"
#include "cm2xxx_3xxx.h"
#include "cm-regbits-24xx.h"
/* Private functions */
/* XXX */
void omap2_clkt_iclk_allow_idle(struct clk *clk)
{
u32 v, r;
r = ((__force u32)clk->enable_reg ^ (CM_AUTOIDLE ^ CM_ICLKEN));
v = __raw_readl((__force void __iomem *)r);
v |= (1 << clk->enable_bit);
__raw_writel(v, (__force void __iomem *)r);
}
/* XXX */
void omap2_clkt_iclk_deny_idle(struct clk *clk)
{
u32 v, r;
r = ((__force u32)clk->enable_reg ^ (CM_AUTOIDLE ^ CM_ICLKEN));
v = __raw_readl((__force void __iomem *)r);
v &= ~(1 << clk->enable_bit);
__raw_writel(v, (__force void __iomem *)r);
}
/* Public data */
const struct clkops clkops_omap2_iclk_dflt_wait = {
.enable = omap2_dflt_clk_enable,
.disable = omap2_dflt_clk_disable,
.find_companion = omap2_clk_dflt_find_companion,
.find_idlest = omap2_clk_dflt_find_idlest,
.allow_idle = omap2_clkt_iclk_allow_idle,
.deny_idle = omap2_clkt_iclk_deny_idle,
};
const struct clkops clkops_omap2_iclk_dflt = {
.enable = omap2_dflt_clk_enable,
.disable = omap2_dflt_clk_disable,
.allow_idle = omap2_clkt_iclk_allow_idle,
.deny_idle = omap2_clkt_iclk_deny_idle,
};
const struct clkops clkops_omap2_iclk_idle_only = {
.allow_idle = omap2_clkt_iclk_allow_idle,
.deny_idle = omap2_clkt_iclk_deny_idle,
};
const struct clkops clkops_omap2_mdmclk_dflt_wait = {
.enable = omap2_dflt_clk_enable,
.disable = omap2_dflt_clk_disable,
.find_companion = omap2_clk_dflt_find_companion,
.find_idlest = omap2_clk_dflt_find_idlest,
.allow_idle = omap2_clkt_iclk_allow_idle,
.deny_idle = omap2_clkt_iclk_deny_idle,
};

28
arch/arm/mach-omap2/clock.c
View File

@ -261,10 +261,11 @@ void omap2_clk_disable(struct clk *clk)
pr_debug("clock: %s: disabling in hardware\n", clk->name);
clk->ops->disable(clk);
if (clk->ops && clk->ops->disable)
clk->ops->disable(clk);
if (clk->clkdm)
omap2_clkdm_clk_disable(clk->clkdm, clk);
clkdm_clk_disable(clk->clkdm, clk);
if (clk->parent)
omap2_clk_disable(clk->parent);
@ -304,7 +305,7 @@ int omap2_clk_enable(struct clk *clk)
}
if (clk->clkdm) {
ret = omap2_clkdm_clk_enable(clk->clkdm, clk);
ret = clkdm_clk_enable(clk->clkdm, clk);
if (ret) {
WARN(1, "clock: %s: could not enable clockdomain %s: "
"%d\n", clk->name, clk->clkdm->name, ret);
@ -312,17 +313,20 @@ int omap2_clk_enable(struct clk *clk)
}
}
ret = clk->ops->enable(clk);
if (ret) {
WARN(1, "clock: %s: could not enable: %d\n", clk->name, ret);
goto oce_err3;
if (clk->ops && clk->ops->enable) {
ret = clk->ops->enable(clk);
if (ret) {
WARN(1, "clock: %s: could not enable: %d\n",
clk->name, ret);
goto oce_err3;
}
}
return 0;
oce_err3:
if (clk->clkdm)
omap2_clkdm_clk_disable(clk->clkdm, clk);
clkdm_clk_disable(clk->clkdm, clk);
oce_err2:
if (clk->parent)
omap2_clk_disable(clk->parent);
@ -373,11 +377,17 @@ int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent)
const struct clkops clkops_omap3_noncore_dpll_ops = {
.enable = omap3_noncore_dpll_enable,
.disable = omap3_noncore_dpll_disable,
.allow_idle = omap3_dpll_allow_idle,
.deny_idle = omap3_dpll_deny_idle,
};
const struct clkops clkops_omap3_core_dpll_ops = {
.allow_idle = omap3_dpll_allow_idle,
.deny_idle = omap3_dpll_deny_idle,
};
#endif
/*
* OMAP2+ clock reset and init functions
*/

21
arch/arm/mach-omap2/clock.h
View File

@ -2,7 +2,7 @@
* linux/arch/arm/mach-omap2/clock.h
*
* Copyright (C) 2005-2009 Texas Instruments, Inc.
* Copyright (C) 2004-2009 Nokia Corporation
* Copyright (C) 2004-2011 Nokia Corporation
*
* Contacts:
* Richard Woodruff <r-woodruff2@ti.com>
@ -18,9 +18,6 @@
#include <plat/clock.h>
/* The maximum error between a target DPLL rate and the rounded rate in Hz */
#define DEFAULT_DPLL_RATE_TOLERANCE 50000
/* CM_CLKSEL2_PLL.CORE_CLK_SRC bits (2XXX) */
#define CORE_CLK_SRC_32K 0x0
#define CORE_CLK_SRC_DPLL 0x1
@ -55,7 +52,6 @@ void omap2_clk_disable(struct clk *clk);
long omap2_clk_round_rate(struct clk *clk, unsigned long rate);
int omap2_clk_set_rate(struct clk *clk, unsigned long rate);
int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent);
int omap2_dpll_set_rate_tolerance(struct clk *clk, unsigned int tolerance);
long omap2_dpll_round_rate(struct clk *clk, unsigned long target_rate);
unsigned long omap3_dpll_recalc(struct clk *clk);
unsigned long omap3_clkoutx2_recalc(struct clk *clk);
@ -65,6 +61,9 @@ u32 omap3_dpll_autoidle_read(struct clk *clk);
int omap3_noncore_dpll_set_rate(struct clk *clk, unsigned long rate);
int omap3_noncore_dpll_enable(struct clk *clk);
void omap3_noncore_dpll_disable(struct clk *clk);
int omap4_dpllmx_gatectrl_read(struct clk *clk);
void omap4_dpllmx_allow_gatectrl(struct clk *clk);
void omap4_dpllmx_deny_gatectrl(struct clk *clk);
#ifdef CONFIG_OMAP_RESET_CLOCKS
void omap2_clk_disable_unused(struct clk *clk);
@ -83,6 +82,10 @@ long omap2_clksel_round_rate(struct clk *clk, unsigned long target_rate);
int omap2_clksel_set_rate(struct clk *clk, unsigned long rate);
int omap2_clksel_set_parent(struct clk *clk, struct clk *new_parent);
/* clkt_iclk.c public functions */
extern void omap2_clkt_iclk_allow_idle(struct clk *clk);
extern void omap2_clkt_iclk_deny_idle(struct clk *clk);
u32 omap2_get_dpll_rate(struct clk *clk);
void omap2_init_dpll_parent(struct clk *clk);
@ -136,6 +139,7 @@ extern struct clk *vclk, *sclk;
extern const struct clksel_rate gpt_32k_rates[];
extern const struct clksel_rate gpt_sys_rates[];
extern const struct clksel_rate gfx_l3_rates[];
extern const struct clksel_rate dsp_ick_rates[];
#if defined(CONFIG_ARCH_OMAP2) && defined(CONFIG_CPU_FREQ)
extern void omap2_clk_init_cpufreq_table(struct cpufreq_frequency_table **table);
@ -145,6 +149,13 @@ extern void omap2_clk_exit_cpufreq_table(struct cpufreq_frequency_table **table)
#define omap2_clk_exit_cpufreq_table 0
#endif
extern const struct clkops clkops_omap2_iclk_dflt_wait;
extern const struct clkops clkops_omap2_iclk_dflt;
extern const struct clkops clkops_omap2_iclk_idle_only;
extern const struct clkops clkops_omap2_mdmclk_dflt_wait;
extern const struct clkops clkops_omap2xxx_dpll_ops;
extern const struct clkops clkops_omap3_noncore_dpll_ops;
extern const struct clkops clkops_omap3_core_dpll_ops;
extern const struct clkops clkops_omap4_dpllmx_ops;
#endif

221
arch/arm/mach-omap2/clock2420_data.c
View File

@ -1,12 +1,12 @@
/*
* linux/arch/arm/mach-omap2/clock2420_data.c
* OMAP2420 clock data
*
* Copyright (C) 2005-2009 Texas Instruments, Inc.
* Copyright (C) 2004-2010 Nokia Corporation
* Copyright (C) 2005-2009 Texas Instruments, Inc.
* Copyright (C) 2004-2011 Nokia Corporation
*
* Contacts:
* Richard Woodruff <r-woodruff2@ti.com>
* Paul Walmsley
* Contacts:
* Richard Woodruff <r-woodruff2@ti.com>
* Paul Walmsley
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@ -34,18 +34,15 @@
/*
* 2420 clock tree.
*
* NOTE:In many cases here we are assigning a 'default' parent. In many
* cases the parent is selectable. The get/set parent calls will also
* switch sources.
*
* Many some clocks say always_enabled, but they can be auto idled for
* power savings. They will always be available upon clock request.
* NOTE:In many cases here we are assigning a 'default' parent. In
* many cases the parent is selectable. The set parent calls will
* also switch sources.
*
* Several sources are given initial rates which may be wrong, this will
* be fixed up in the init func.
*
* Things are broadly separated below by clock domains. It is
* noteworthy that most periferals have dependencies on multiple clock
* noteworthy that most peripherals have dependencies on multiple clock
* domains. Many get their interface clocks from the L4 domain, but get
* functional clocks from fixed sources or other core domain derived
* clocks.
@ -55,7 +52,7 @@
static struct clk func_32k_ck = {
.name = "func_32k_ck",
.ops = &clkops_null,
.rate = 32000,
.rate = 32768,
.clkdm_name = "wkup_clkdm",
};
@ -116,7 +113,6 @@ static struct dpll_data dpll_dd = {
.max_multiplier = 1023,
.min_divider = 1,
.max_divider = 16,
.rate_tolerance = DEFAULT_DPLL_RATE_TOLERANCE
};
/*
@ -125,7 +121,7 @@ static struct dpll_data dpll_dd = {
*/
static struct clk dpll_ck = {
.name = "dpll_ck",
.ops = &clkops_null,
.ops = &clkops_omap2xxx_dpll_ops,
.parent = &sys_ck, /* Can be func_32k also */
.dpll_data = &dpll_dd,
.clkdm_name = "wkup_clkdm",
@ -455,36 +451,22 @@ static struct clk dsp_fck = {
.recalc = &omap2_clksel_recalc,
};
/* DSP interface clock */
static const struct clksel_rate dsp_irate_ick_rates[] = {
{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
{ .div = 2, .val = 2, .flags = RATE_IN_24XX },
{ .div = 0 },
};
static const struct clksel dsp_irate_ick_clksel[] = {
{ .parent = &dsp_fck, .rates = dsp_irate_ick_rates },
static const struct clksel dsp_ick_clksel[] = {
{ .parent = &dsp_fck, .rates = dsp_ick_rates },
{ .parent = NULL }
};
/* This clock does not exist as such in the TRM. */
static struct clk dsp_irate_ick = {
.name = "dsp_irate_ick",
.ops = &clkops_null,
.parent = &dsp_fck,
.clksel_reg = OMAP_CM_REGADDR(OMAP24XX_DSP_MOD, CM_CLKSEL),
.clksel_mask = OMAP24XX_CLKSEL_DSP_IF_MASK,
.clksel = dsp_irate_ick_clksel,
.recalc = &omap2_clksel_recalc,
};
/* 2420 only */
static struct clk dsp_ick = {
.name = "dsp_ick", /* apparently ipi and isp */
.ops = &clkops_omap2_dflt_wait,
.parent = &dsp_irate_ick,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &dsp_fck,
.clkdm_name = "dsp_clkdm",
.enable_reg = OMAP_CM_REGADDR(OMAP24XX_DSP_MOD, CM_ICLKEN),
.enable_bit = OMAP2420_EN_DSP_IPI_SHIFT, /* for ipi */
.clksel_reg = OMAP_CM_REGADDR(OMAP24XX_DSP_MOD, CM_CLKSEL),
.clksel_mask = OMAP24XX_CLKSEL_DSP_IF_MASK,
.clksel = dsp_ick_clksel,
.recalc = &omap2_clksel_recalc,
};
/*
@ -579,7 +561,7 @@ static const struct clksel usb_l4_ick_clksel[] = {
/* It is unclear from TRM whether usb_l4_ick is really in L3 or L4 clkdm */
static struct clk usb_l4_ick = { /* FS-USB interface clock */
.name = "usb_l4_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l3_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
@ -661,7 +643,7 @@ static struct clk ssi_ssr_sst_fck = {
*/
static struct clk ssi_l4_ick = {
.name = "ssi_l4_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
@ -716,6 +698,7 @@ static struct clk gfx_2d_fck = {
.recalc = &omap2_clksel_recalc,
};
/* This interface clock does not have a CM_AUTOIDLE bit */
static struct clk gfx_ick = {
.name = "gfx_ick", /* From l3 */
.ops = &clkops_omap2_dflt_wait,
@ -763,7 +746,7 @@ static const struct clksel dss1_fck_clksel[] = {
static struct clk dss_ick = { /* Enables both L3,L4 ICLK's */
.name = "dss_ick",
.ops = &clkops_omap2_dflt,
.ops = &clkops_omap2_iclk_dflt,
.parent = &l4_ck, /* really both l3 and l4 */
.clkdm_name = "dss_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -825,6 +808,14 @@ static struct clk dss_54m_fck = { /* Alt clk used in power management */
.recalc = &followparent_recalc,
};
static struct clk wu_l4_ick = {
.name = "wu_l4_ick",
.ops = &clkops_null,
.parent = &sys_ck,
.clkdm_name = "wkup_clkdm",
.recalc = &followparent_recalc,
};
/*
* CORE power domain ICLK & FCLK defines.
* Many of the these can have more than one possible parent. Entries
@ -845,9 +836,9 @@ static const struct clksel omap24xx_gpt_clksel[] = {
static struct clk gpt1_ick = {
.name = "gpt1_ick",
.ops = &clkops_omap2_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &wu_l4_ick,
.clkdm_name = "wkup_clkdm",
.enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN),
.enable_bit = OMAP24XX_EN_GPT1_SHIFT,
.recalc = &followparent_recalc,
@ -871,7 +862,7 @@ static struct clk gpt1_fck = {
static struct clk gpt2_ick = {
.name = "gpt2_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -895,7 +886,7 @@ static struct clk gpt2_fck = {
static struct clk gpt3_ick = {
.name = "gpt3_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -919,7 +910,7 @@ static struct clk gpt3_fck = {
static struct clk gpt4_ick = {
.name = "gpt4_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -943,7 +934,7 @@ static struct clk gpt4_fck = {
static struct clk gpt5_ick = {
.name = "gpt5_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -967,7 +958,7 @@ static struct clk gpt5_fck = {
static struct clk gpt6_ick = {
.name = "gpt6_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -991,8 +982,9 @@ static struct clk gpt6_fck = {
static struct clk gpt7_ick = {
.name = "gpt7_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP24XX_EN_GPT7_SHIFT,
.recalc = &followparent_recalc,
@ -1014,7 +1006,7 @@ static struct clk gpt7_fck = {
static struct clk gpt8_ick = {
.name = "gpt8_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1038,7 +1030,7 @@ static struct clk gpt8_fck = {
static struct clk gpt9_ick = {
.name = "gpt9_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1062,7 +1054,7 @@ static struct clk gpt9_fck = {
static struct clk gpt10_ick = {
.name = "gpt10_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1086,7 +1078,7 @@ static struct clk gpt10_fck = {
static struct clk gpt11_ick = {
.name = "gpt11_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1110,7 +1102,7 @@ static struct clk gpt11_fck = {
static struct clk gpt12_ick = {
.name = "gpt12_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1134,7 +1126,7 @@ static struct clk gpt12_fck = {
static struct clk mcbsp1_ick = {
.name = "mcbsp1_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1174,7 +1166,7 @@ static struct clk mcbsp1_fck = {
static struct clk mcbsp2_ick = {
.name = "mcbsp2_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1198,7 +1190,7 @@ static struct clk mcbsp2_fck = {
static struct clk mcspi1_ick = {
.name = "mcspi1_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1218,7 +1210,7 @@ static struct clk mcspi1_fck = {
static struct clk mcspi2_ick = {
.name = "mcspi2_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1238,7 +1230,7 @@ static struct clk mcspi2_fck = {
static struct clk uart1_ick = {
.name = "uart1_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1258,7 +1250,7 @@ static struct clk uart1_fck = {
static struct clk uart2_ick = {
.name = "uart2_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1278,7 +1270,7 @@ static struct clk uart2_fck = {
static struct clk uart3_ick = {
.name = "uart3_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
@ -1298,9 +1290,9 @@ static struct clk uart3_fck = {
static struct clk gpios_ick = {
.name = "gpios_ick",
.ops = &clkops_omap2_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &wu_l4_ick,
.clkdm_name = "wkup_clkdm",
.enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN),
.enable_bit = OMAP24XX_EN_GPIOS_SHIFT,
.recalc = &followparent_recalc,
@ -1318,9 +1310,9 @@ static struct clk gpios_fck = {
static struct clk mpu_wdt_ick = {
.name = "mpu_wdt_ick",
.ops = &clkops_omap2_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &wu_l4_ick,
.clkdm_name = "wkup_clkdm",
.enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN),
.enable_bit = OMAP24XX_EN_MPU_WDT_SHIFT,
.recalc = &followparent_recalc,
@ -1338,10 +1330,10 @@ static struct clk mpu_wdt_fck = {
static struct clk sync_32k_ick = {
.name = "sync_32k_ick",
.ops = &clkops_omap2_dflt_wait,
.parent = &l4_ck,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &wu_l4_ick,
.clkdm_name = "wkup_clkdm",
.flags = ENABLE_ON_INIT,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN),
.enable_bit = OMAP24XX_EN_32KSYNC_SHIFT,
.recalc = &followparent_recalc,
@ -1349,9 +1341,9 @@ static struct clk sync_32k_ick = {
static struct clk wdt1_ick = {
.name = "wdt1_ick",
.ops = &clkops_omap2_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &wu_l4_ick,
.clkdm_name = "wkup_clkdm",
.enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN),
.enable_bit = OMAP24XX_EN_WDT1_SHIFT,
.recalc = &followparent_recalc,
@ -1359,10 +1351,10 @@ static struct clk wdt1_ick = {
static struct clk omapctrl_ick = {
.name = "omapctrl_ick",
.ops = &clkops_omap2_dflt_wait,
.parent = &l4_ck,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &wu_l4_ick,
.clkdm_name = "wkup_clkdm",
.flags = ENABLE_ON_INIT,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN),
.enable_bit = OMAP24XX_EN_OMAPCTRL_SHIFT,
.recalc = &followparent_recalc,
@ -1370,7 +1362,7 @@ static struct clk omapctrl_ick = {
static struct clk cam_ick = {
.name = "cam_ick",
.ops = &clkops_omap2_dflt,
.ops = &clkops_omap2_iclk_dflt,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1395,7 +1387,7 @@ static struct clk cam_fck = {
static struct clk mailboxes_ick = {
.name = "mailboxes_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1405,7 +1397,7 @@ static struct clk mailboxes_ick = {
static struct clk wdt4_ick = {
.name = "wdt4_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1425,7 +1417,7 @@ static struct clk wdt4_fck = {
static struct clk wdt3_ick = {
.name = "wdt3_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1445,7 +1437,7 @@ static struct clk wdt3_fck = {
static struct clk mspro_ick = {
.name = "mspro_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1465,7 +1457,7 @@ static struct clk mspro_fck = {
static struct clk mmc_ick = {
.name = "mmc_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1485,7 +1477,7 @@ static struct clk mmc_fck = {
static struct clk fac_ick = {
.name = "fac_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1505,7 +1497,7 @@ static struct clk fac_fck = {
static struct clk eac_ick = {
.name = "eac_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1525,7 +1517,7 @@ static struct clk eac_fck = {
static struct clk hdq_ick = {
.name = "hdq_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1545,7 +1537,7 @@ static struct clk hdq_fck = {
static struct clk i2c2_ick = {
.name = "i2c2_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1565,7 +1557,7 @@ static struct clk i2c2_fck = {
static struct clk i2c1_ick = {
.name = "i2c1_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1583,12 +1575,18 @@ static struct clk i2c1_fck = {
.recalc = &followparent_recalc,
};
/*
* The enable_reg/enable_bit in this clock is only used for CM_AUTOIDLE
* accesses derived from this data.
*/
static struct clk gpmc_fck = {
.name = "gpmc_fck",
.ops = &clkops_null, /* RMK: missing? */
.ops = &clkops_omap2_iclk_idle_only,
.parent = &core_l3_ck,
.flags = ENABLE_ON_INIT,
.clkdm_name = "core_l3_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN3),
.enable_bit = OMAP24XX_AUTO_GPMC_SHIFT,
.recalc = &followparent_recalc,
};
@ -1600,17 +1598,38 @@ static struct clk sdma_fck = {
.recalc = &followparent_recalc,
};
/*
* The enable_reg/enable_bit in this clock is only used for CM_AUTOIDLE
* accesses derived from this data.
*/
static struct clk sdma_ick = {
.name = "sdma_ick",
.ops = &clkops_null, /* RMK: missing? */
.parent = &l4_ck,
.ops = &clkops_omap2_iclk_idle_only,
.parent = &core_l3_ck,
.clkdm_name = "core_l3_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN3),
.enable_bit = OMAP24XX_AUTO_SDMA_SHIFT,
.recalc = &followparent_recalc,
};
/*
* The enable_reg/enable_bit in this clock is only used for CM_AUTOIDLE
* accesses derived from this data.
*/
static struct clk sdrc_ick = {
.name = "sdrc_ick",
.ops = &clkops_omap2_iclk_idle_only,
.parent = &core_l3_ck,
.flags = ENABLE_ON_INIT,
.clkdm_name = "core_l3_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN3),
.enable_bit = OMAP24XX_AUTO_SDRC_SHIFT,
.recalc = &followparent_recalc,
};
static struct clk vlynq_ick = {
.name = "vlynq_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l3_ck,
.clkdm_name = "core_l3_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1659,7 +1678,7 @@ static struct clk vlynq_fck = {
static struct clk des_ick = {
.name = "des_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_ICLKEN4),
@ -1669,7 +1688,7 @@ static struct clk des_ick = {
static struct clk sha_ick = {
.name = "sha_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_ICLKEN4),
@ -1679,7 +1698,7 @@ static struct clk sha_ick = {
static struct clk rng_ick = {
.name = "rng_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_ICLKEN4),
@ -1689,7 +1708,7 @@ static struct clk rng_ick = {
static struct clk aes_ick = {
.name = "aes_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_ICLKEN4),
@ -1699,7 +1718,7 @@ static struct clk aes_ick = {
static struct clk pka_ick = {
.name = "pka_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_ICLKEN4),
@ -1777,7 +1796,6 @@ static struct omap_clk omap2420_clks[] = {
CLK(NULL, "mpu_ck", &mpu_ck, CK_242X),
/* dsp domain clocks */
CLK(NULL, "dsp_fck", &dsp_fck, CK_242X),
CLK(NULL, "dsp_irate_ick", &dsp_irate_ick, CK_242X),
CLK(NULL, "dsp_ick", &dsp_ick, CK_242X),
CLK(NULL, "iva1_ifck", &iva1_ifck, CK_242X),
CLK(NULL, "iva1_mpu_int_ifck", &iva1_mpu_int_ifck, CK_242X),
@ -1797,6 +1815,7 @@ static struct omap_clk omap2420_clks[] = {
/* L4 domain clocks */
CLK(NULL, "l4_ck", &l4_ck, CK_242X),
CLK(NULL, "ssi_l4_ick", &ssi_l4_ick, CK_242X),
CLK(NULL, "wu_l4_ick", &wu_l4_ick, CK_242X),
/* virtual meta-group clock */
CLK(NULL, "virt_prcm_set", &virt_prcm_set, CK_242X),
/* general l4 interface ck, multi-parent functional clk */
@ -1869,6 +1888,7 @@ static struct omap_clk omap2420_clks[] = {
CLK(NULL, "gpmc_fck", &gpmc_fck, CK_242X),
CLK(NULL, "sdma_fck", &sdma_fck, CK_242X),
CLK(NULL, "sdma_ick", &sdma_ick, CK_242X),
CLK(NULL, "sdrc_ick", &sdrc_ick, CK_242X),
CLK(NULL, "vlynq_ick", &vlynq_ick, CK_242X),
CLK(NULL, "vlynq_fck", &vlynq_fck, CK_242X),
CLK(NULL, "des_ick", &des_ick, CK_242X),
@ -1913,6 +1933,9 @@ int __init omap2420_clk_init(void)
omap2_init_clk_clkdm(c->lk.clk);
}
/* Disable autoidle on all clocks; let the PM code enable it later */
omap_clk_disable_autoidle_all();
/* Check the MPU rate set by bootloader */
clkrate = omap2xxx_clk_get_core_rate(&dpll_ck);
for (prcm = rate_table; prcm->mpu_speed; prcm++) {

232
arch/arm/mach-omap2/clock2430_data.c
View File

@ -1,12 +1,12 @@
/*
* linux/arch/arm/mach-omap2/clock2430_data.c
* OMAP2430 clock data
*
* Copyright (C) 2005-2009 Texas Instruments, Inc.
* Copyright (C) 2004-2010 Nokia Corporation
* Copyright (C) 2005-2009 Texas Instruments, Inc.
* Copyright (C) 2004-2011 Nokia Corporation
*
* Contacts:
* Richard Woodruff <r-woodruff2@ti.com>
* Paul Walmsley
* Contacts:
* Richard Woodruff <r-woodruff2@ti.com>
* Paul Walmsley
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@ -34,18 +34,15 @@
/*
* 2430 clock tree.
*
* NOTE:In many cases here we are assigning a 'default' parent. In many
* cases the parent is selectable. The get/set parent calls will also
* switch sources.
*
* Many some clocks say always_enabled, but they can be auto idled for
* power savings. They will always be available upon clock request.
* NOTE:In many cases here we are assigning a 'default' parent. In
* many cases the parent is selectable. The set parent calls will
* also switch sources.
*
* Several sources are given initial rates which may be wrong, this will
* be fixed up in the init func.
*
* Things are broadly separated below by clock domains. It is
* noteworthy that most periferals have dependencies on multiple clock
* noteworthy that most peripherals have dependencies on multiple clock
* domains. Many get their interface clocks from the L4 domain, but get
* functional clocks from fixed sources or other core domain derived
* clocks.
@ -55,7 +52,7 @@
static struct clk func_32k_ck = {
.name = "func_32k_ck",
.ops = &clkops_null,
.rate = 32000,
.rate = 32768,
.clkdm_name = "wkup_clkdm",
};
@ -116,7 +113,6 @@ static struct dpll_data dpll_dd = {
.max_multiplier = 1023,
.min_divider = 1,
.max_divider = 16,
.rate_tolerance = DEFAULT_DPLL_RATE_TOLERANCE
};
/*
@ -125,7 +121,7 @@ static struct dpll_data dpll_dd = {
*/
static struct clk dpll_ck = {
.name = "dpll_ck",
.ops = &clkops_null,
.ops = &clkops_omap2xxx_dpll_ops,
.parent = &sys_ck, /* Can be func_32k also */
.dpll_data = &dpll_dd,
.clkdm_name = "wkup_clkdm",
@ -434,37 +430,23 @@ static struct clk dsp_fck = {
.recalc = &omap2_clksel_recalc,
};
/* DSP interface clock */
static const struct clksel_rate dsp_irate_ick_rates[] = {
{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
{ .div = 2, .val = 2, .flags = RATE_IN_24XX },
{ .div = 3, .val = 3, .flags = RATE_IN_243X },
{ .div = 0 },
};
static const struct clksel dsp_irate_ick_clksel[] = {
{ .parent = &dsp_fck, .rates = dsp_irate_ick_rates },
static const struct clksel dsp_ick_clksel[] = {
{ .parent = &dsp_fck, .rates = dsp_ick_rates },
{ .parent = NULL }
};
/* This clock does not exist as such in the TRM. */
static struct clk dsp_irate_ick = {
.name = "dsp_irate_ick",
.ops = &clkops_null,
.parent = &dsp_fck,
.clksel_reg = OMAP_CM_REGADDR(OMAP24XX_DSP_MOD, CM_CLKSEL),
.clksel_mask = OMAP24XX_CLKSEL_DSP_IF_MASK,
.clksel = dsp_irate_ick_clksel,
.recalc = &omap2_clksel_recalc,
};
/* 2430 only - EN_DSP controls both dsp fclk and iclk on 2430 */
static struct clk iva2_1_ick = {
.name = "iva2_1_ick",
.ops = &clkops_omap2_dflt_wait,
.parent = &dsp_irate_ick,
.parent = &dsp_fck,
.clkdm_name = "dsp_clkdm",
.enable_reg = OMAP_CM_REGADDR(OMAP24XX_DSP_MOD, CM_FCLKEN),
.enable_bit = OMAP24XX_CM_FCLKEN_DSP_EN_DSP_SHIFT,
.clksel_reg = OMAP_CM_REGADDR(OMAP24XX_DSP_MOD, CM_CLKSEL),
.clksel_mask = OMAP24XX_CLKSEL_DSP_IF_MASK,
.clksel = dsp_ick_clksel,
.recalc = &omap2_clksel_recalc,
};
/*
@ -525,7 +507,7 @@ static const struct clksel usb_l4_ick_clksel[] = {
/* It is unclear from TRM whether usb_l4_ick is really in L3 or L4 clkdm */
static struct clk usb_l4_ick = { /* FS-USB interface clock */
.name = "usb_l4_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l3_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
@ -606,7 +588,7 @@ static struct clk ssi_ssr_sst_fck = {
*/
static struct clk ssi_l4_ick = {
.name = "ssi_l4_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
@ -661,6 +643,7 @@ static struct clk gfx_2d_fck = {
.recalc = &omap2_clksel_recalc,
};
/* This interface clock does not have a CM_AUTOIDLE bit */
static struct clk gfx_ick = {
.name = "gfx_ick", /* From l3 */
.ops = &clkops_omap2_dflt_wait,
@ -693,7 +676,7 @@ static const struct clksel mdm_ick_clksel[] = {
static struct clk mdm_ick = { /* used both as a ick and fck */
.name = "mdm_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_ck,
.clkdm_name = "mdm_clkdm",
.enable_reg = OMAP_CM_REGADDR(OMAP2430_MDM_MOD, CM_ICLKEN),
@ -706,7 +689,7 @@ static struct clk mdm_ick = { /* used both as a ick and fck */
static struct clk mdm_osc_ck = {
.name = "mdm_osc_ck",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_mdmclk_dflt_wait,
.parent = &osc_ck,
.clkdm_name = "mdm_clkdm",
.enable_reg = OMAP_CM_REGADDR(OMAP2430_MDM_MOD, CM_FCLKEN),
@ -751,7 +734,7 @@ static const struct clksel dss1_fck_clksel[] = {
static struct clk dss_ick = { /* Enables both L3,L4 ICLK's */
.name = "dss_ick",
.ops = &clkops_omap2_dflt,
.ops = &clkops_omap2_iclk_dflt,
.parent = &l4_ck, /* really both l3 and l4 */
.clkdm_name = "dss_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -813,6 +796,14 @@ static struct clk dss_54m_fck = { /* Alt clk used in power management */
.recalc = &followparent_recalc,
};
static struct clk wu_l4_ick = {
.name = "wu_l4_ick",
.ops = &clkops_null,
.parent = &sys_ck,
.clkdm_name = "wkup_clkdm",
.recalc = &followparent_recalc,
};
/*
* CORE power domain ICLK & FCLK defines.
* Many of the these can have more than one possible parent. Entries
@ -833,9 +824,9 @@ static const struct clksel omap24xx_gpt_clksel[] = {
static struct clk gpt1_ick = {
.name = "gpt1_ick",
.ops = &clkops_omap2_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &wu_l4_ick,
.clkdm_name = "wkup_clkdm",
.enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN),
.enable_bit = OMAP24XX_EN_GPT1_SHIFT,
.recalc = &followparent_recalc,
@ -859,7 +850,7 @@ static struct clk gpt1_fck = {
static struct clk gpt2_ick = {
.name = "gpt2_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -883,7 +874,7 @@ static struct clk gpt2_fck = {
static struct clk gpt3_ick = {
.name = "gpt3_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -907,7 +898,7 @@ static struct clk gpt3_fck = {
static struct clk gpt4_ick = {
.name = "gpt4_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -931,7 +922,7 @@ static struct clk gpt4_fck = {
static struct clk gpt5_ick = {
.name = "gpt5_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -955,7 +946,7 @@ static struct clk gpt5_fck = {
static struct clk gpt6_ick = {
.name = "gpt6_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -979,8 +970,9 @@ static struct clk gpt6_fck = {
static struct clk gpt7_ick = {
.name = "gpt7_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP24XX_EN_GPT7_SHIFT,
.recalc = &followparent_recalc,
@ -1002,7 +994,7 @@ static struct clk gpt7_fck = {
static struct clk gpt8_ick = {
.name = "gpt8_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1026,7 +1018,7 @@ static struct clk gpt8_fck = {
static struct clk gpt9_ick = {
.name = "gpt9_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1050,7 +1042,7 @@ static struct clk gpt9_fck = {
static struct clk gpt10_ick = {
.name = "gpt10_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1074,7 +1066,7 @@ static struct clk gpt10_fck = {
static struct clk gpt11_ick = {
.name = "gpt11_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1098,7 +1090,7 @@ static struct clk gpt11_fck = {
static struct clk gpt12_ick = {
.name = "gpt12_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1122,7 +1114,7 @@ static struct clk gpt12_fck = {
static struct clk mcbsp1_ick = {
.name = "mcbsp1_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1162,7 +1154,7 @@ static struct clk mcbsp1_fck = {
static struct clk mcbsp2_ick = {
.name = "mcbsp2_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1186,7 +1178,7 @@ static struct clk mcbsp2_fck = {
static struct clk mcbsp3_ick = {
.name = "mcbsp3_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
@ -1210,7 +1202,7 @@ static struct clk mcbsp3_fck = {
static struct clk mcbsp4_ick = {
.name = "mcbsp4_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
@ -1234,7 +1226,7 @@ static struct clk mcbsp4_fck = {
static struct clk mcbsp5_ick = {
.name = "mcbsp5_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
@ -1258,7 +1250,7 @@ static struct clk mcbsp5_fck = {
static struct clk mcspi1_ick = {
.name = "mcspi1_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1278,7 +1270,7 @@ static struct clk mcspi1_fck = {
static struct clk mcspi2_ick = {
.name = "mcspi2_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1298,7 +1290,7 @@ static struct clk mcspi2_fck = {
static struct clk mcspi3_ick = {
.name = "mcspi3_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
@ -1318,7 +1310,7 @@ static struct clk mcspi3_fck = {
static struct clk uart1_ick = {
.name = "uart1_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1338,7 +1330,7 @@ static struct clk uart1_fck = {
static struct clk uart2_ick = {
.name = "uart2_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1358,7 +1350,7 @@ static struct clk uart2_fck = {
static struct clk uart3_ick = {
.name = "uart3_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
@ -1378,9 +1370,9 @@ static struct clk uart3_fck = {
static struct clk gpios_ick = {
.name = "gpios_ick",
.ops = &clkops_omap2_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &wu_l4_ick,
.clkdm_name = "wkup_clkdm",
.enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN),
.enable_bit = OMAP24XX_EN_GPIOS_SHIFT,
.recalc = &followparent_recalc,
@ -1398,9 +1390,9 @@ static struct clk gpios_fck = {
static struct clk mpu_wdt_ick = {
.name = "mpu_wdt_ick",
.ops = &clkops_omap2_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &wu_l4_ick,
.clkdm_name = "wkup_clkdm",
.enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN),
.enable_bit = OMAP24XX_EN_MPU_WDT_SHIFT,
.recalc = &followparent_recalc,
@ -1418,10 +1410,10 @@ static struct clk mpu_wdt_fck = {
static struct clk sync_32k_ick = {
.name = "sync_32k_ick",
.ops = &clkops_omap2_dflt_wait,
.parent = &l4_ck,
.ops = &clkops_omap2_iclk_dflt_wait,
.flags = ENABLE_ON_INIT,
.clkdm_name = "core_l4_clkdm",
.parent = &wu_l4_ick,
.clkdm_name = "wkup_clkdm",
.enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN),
.enable_bit = OMAP24XX_EN_32KSYNC_SHIFT,
.recalc = &followparent_recalc,
@ -1429,9 +1421,9 @@ static struct clk sync_32k_ick = {
static struct clk wdt1_ick = {
.name = "wdt1_ick",
.ops = &clkops_omap2_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &wu_l4_ick,
.clkdm_name = "wkup_clkdm",
.enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN),
.enable_bit = OMAP24XX_EN_WDT1_SHIFT,
.recalc = &followparent_recalc,
@ -1439,10 +1431,10 @@ static struct clk wdt1_ick = {
static struct clk omapctrl_ick = {
.name = "omapctrl_ick",
.ops = &clkops_omap2_dflt_wait,
.parent = &l4_ck,
.ops = &clkops_omap2_iclk_dflt_wait,
.flags = ENABLE_ON_INIT,
.clkdm_name = "core_l4_clkdm",
.parent = &wu_l4_ick,
.clkdm_name = "wkup_clkdm",
.enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN),
.enable_bit = OMAP24XX_EN_OMAPCTRL_SHIFT,
.recalc = &followparent_recalc,
@ -1450,9 +1442,9 @@ static struct clk omapctrl_ick = {
static struct clk icr_ick = {
.name = "icr_ick",
.ops = &clkops_omap2_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &wu_l4_ick,
.clkdm_name = "wkup_clkdm",
.enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN),
.enable_bit = OMAP2430_EN_ICR_SHIFT,
.recalc = &followparent_recalc,
@ -1460,7 +1452,7 @@ static struct clk icr_ick = {
static struct clk cam_ick = {
.name = "cam_ick",
.ops = &clkops_omap2_dflt,
.ops = &clkops_omap2_iclk_dflt,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1485,7 +1477,7 @@ static struct clk cam_fck = {
static struct clk mailboxes_ick = {
.name = "mailboxes_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1495,7 +1487,7 @@ static struct clk mailboxes_ick = {
static struct clk wdt4_ick = {
.name = "wdt4_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1515,7 +1507,7 @@ static struct clk wdt4_fck = {
static struct clk mspro_ick = {
.name = "mspro_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1535,7 +1527,7 @@ static struct clk mspro_fck = {
static struct clk fac_ick = {
.name = "fac_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1555,7 +1547,7 @@ static struct clk fac_fck = {
static struct clk hdq_ick = {
.name = "hdq_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1579,7 +1571,7 @@ static struct clk hdq_fck = {
*/
static struct clk i2c2_ick = {
.name = "i2c2_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1603,7 +1595,7 @@ static struct clk i2chs2_fck = {
*/
static struct clk i2c1_ick = {
.name = "i2c1_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -1621,12 +1613,18 @@ static struct clk i2chs1_fck = {
.recalc = &followparent_recalc,
};
/*
* The enable_reg/enable_bit in this clock is only used for CM_AUTOIDLE
* accesses derived from this data.
*/
static struct clk gpmc_fck = {
.name = "gpmc_fck",
.ops = &clkops_null, /* RMK: missing? */
.ops = &clkops_omap2_iclk_idle_only,
.parent = &core_l3_ck,
.flags = ENABLE_ON_INIT,
.clkdm_name = "core_l3_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN3),
.enable_bit = OMAP24XX_AUTO_GPMC_SHIFT,
.recalc = &followparent_recalc,
};
@ -1638,20 +1636,26 @@ static struct clk sdma_fck = {
.recalc = &followparent_recalc,
};
/*
* The enable_reg/enable_bit in this clock is only used for CM_AUTOIDLE
* accesses derived from this data.
*/
static struct clk sdma_ick = {
.name = "sdma_ick",
.ops = &clkops_null, /* RMK: missing? */
.parent = &l4_ck,
.ops = &clkops_omap2_iclk_idle_only,
.parent = &core_l3_ck,
.clkdm_name = "core_l3_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN3),
.enable_bit = OMAP24XX_AUTO_SDMA_SHIFT,
.recalc = &followparent_recalc,
};
static struct clk sdrc_ick = {
.name = "sdrc_ick",
.ops = &clkops_omap2_dflt_wait,
.parent = &l4_ck,
.ops = &clkops_omap2_iclk_idle_only,
.parent = &core_l3_ck,
.flags = ENABLE_ON_INIT,
.clkdm_name = "core_l4_clkdm",
.clkdm_name = "core_l3_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN3),
.enable_bit = OMAP2430_EN_SDRC_SHIFT,
.recalc = &followparent_recalc,
@ -1659,7 +1663,7 @@ static struct clk sdrc_ick = {
static struct clk des_ick = {
.name = "des_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_ICLKEN4),
@ -1669,7 +1673,7 @@ static struct clk des_ick = {
static struct clk sha_ick = {
.name = "sha_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_ICLKEN4),
@ -1679,7 +1683,7 @@ static struct clk sha_ick = {
static struct clk rng_ick = {
.name = "rng_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_ICLKEN4),
@ -1689,7 +1693,7 @@ static struct clk rng_ick = {
static struct clk aes_ick = {
.name = "aes_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_ICLKEN4),
@ -1699,7 +1703,7 @@ static struct clk aes_ick = {
static struct clk pka_ick = {
.name = "pka_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_ICLKEN4),
@ -1719,7 +1723,7 @@ static struct clk usb_fck = {
static struct clk usbhs_ick = {
.name = "usbhs_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l3_ck,
.clkdm_name = "core_l3_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
@ -1729,7 +1733,7 @@ static struct clk usbhs_ick = {
static struct clk mmchs1_ick = {
.name = "mmchs1_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
@ -1741,7 +1745,7 @@ static struct clk mmchs1_fck = {
.name = "mmchs1_fck",
.ops = &clkops_omap2_dflt_wait,
.parent = &func_96m_ck,
.clkdm_name = "core_l3_clkdm",
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_FCLKEN2),
.enable_bit = OMAP2430_EN_MMCHS1_SHIFT,
.recalc = &followparent_recalc,
@ -1749,7 +1753,7 @@ static struct clk mmchs1_fck = {
static struct clk mmchs2_ick = {
.name = "mmchs2_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
@ -1761,6 +1765,7 @@ static struct clk mmchs2_fck = {
.name = "mmchs2_fck",
.ops = &clkops_omap2_dflt_wait,
.parent = &func_96m_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_FCLKEN2),
.enable_bit = OMAP2430_EN_MMCHS2_SHIFT,
.recalc = &followparent_recalc,
@ -1768,7 +1773,7 @@ static struct clk mmchs2_fck = {
static struct clk gpio5_ick = {
.name = "gpio5_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
@ -1788,7 +1793,7 @@ static struct clk gpio5_fck = {
static struct clk mdm_intc_ick = {
.name = "mdm_intc_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
@ -1880,7 +1885,6 @@ static struct omap_clk omap2430_clks[] = {
CLK(NULL, "mpu_ck", &mpu_ck, CK_243X),
/* dsp domain clocks */
CLK(NULL, "dsp_fck", &dsp_fck, CK_243X),
CLK(NULL, "dsp_irate_ick", &dsp_irate_ick, CK_243X),
CLK(NULL, "iva2_1_ick", &iva2_1_ick, CK_243X),
/* GFX domain clocks */
CLK(NULL, "gfx_3d_fck", &gfx_3d_fck, CK_243X),
@ -1901,6 +1905,7 @@ static struct omap_clk omap2430_clks[] = {
/* L4 domain clocks */
CLK(NULL, "l4_ck", &l4_ck, CK_243X),
CLK(NULL, "ssi_l4_ick", &ssi_l4_ick, CK_243X),
CLK(NULL, "wu_l4_ick", &wu_l4_ick, CK_243X),
/* virtual meta-group clock */
CLK(NULL, "virt_prcm_set", &virt_prcm_set, CK_243X),
/* general l4 interface ck, multi-parent functional clk */
@ -2028,6 +2033,9 @@ int __init omap2430_clk_init(void)
omap2_init_clk_clkdm(c->lk.clk);
}
/* Disable autoidle on all clocks; let the PM code enable it later */
omap_clk_disable_autoidle_all();
/* Check the MPU rate set by bootloader */
clkrate = omap2xxx_clk_get_core_rate(&dpll_ck);
for (prcm = rate_table; prcm->mpu_speed; prcm++) {

4
arch/arm/mach-omap2/clock2xxx.h
View File

@ -23,13 +23,13 @@ void omap2xxx_clk_prepare_for_reboot(void);
#ifdef CONFIG_SOC_OMAP2420
int omap2420_clk_init(void);
#else
#define omap2420_clk_init() 0
#define omap2420_clk_init() do { } while(0)
#endif
#ifdef CONFIG_SOC_OMAP2430
int omap2430_clk_init(void);
#else
#define omap2430_clk_init() 0
#define omap2430_clk_init() do { } while(0)
#endif
extern void __iomem *prcm_clksrc_ctrl, *cm_idlest_pll;

29
arch/arm/mach-omap2/clock34xx.c
View File

@ -2,7 +2,7 @@
* OMAP3-specific clock framework functions
*
* Copyright (C) 2007-2008 Texas Instruments, Inc.
* Copyright (C) 2007-2010 Nokia Corporation
* Copyright (C) 2007-2011 Nokia Corporation
*
* Paul Walmsley
* Jouni Högander
@ -59,6 +59,15 @@ const struct clkops clkops_omap3430es2_ssi_wait = {
.find_companion = omap2_clk_dflt_find_companion,
};
const struct clkops clkops_omap3430es2_iclk_ssi_wait = {
.enable = omap2_dflt_clk_enable,
.disable = omap2_dflt_clk_disable,
.find_idlest = omap3430es2_clk_ssi_find_idlest,
.find_companion = omap2_clk_dflt_find_companion,
.allow_idle = omap2_clkt_iclk_allow_idle,
.deny_idle = omap2_clkt_iclk_deny_idle,
};
/**
* omap3430es2_clk_dss_usbhost_find_idlest - CM_IDLEST info for DSS, USBHOST
* @clk: struct clk * being enabled
@ -94,6 +103,15 @@ const struct clkops clkops_omap3430es2_dss_usbhost_wait = {
.find_companion = omap2_clk_dflt_find_companion,
};
const struct clkops clkops_omap3430es2_iclk_dss_usbhost_wait = {
.enable = omap2_dflt_clk_enable,
.disable = omap2_dflt_clk_disable,
.find_idlest = omap3430es2_clk_dss_usbhost_find_idlest,
.find_companion = omap2_clk_dflt_find_companion,
.allow_idle = omap2_clkt_iclk_allow_idle,
.deny_idle = omap2_clkt_iclk_deny_idle,
};
/**
* omap3430es2_clk_hsotgusb_find_idlest - return CM_IDLEST info for HSOTGUSB
* @clk: struct clk * being enabled
@ -124,3 +142,12 @@ const struct clkops clkops_omap3430es2_hsotgusb_wait = {
.find_idlest = omap3430es2_clk_hsotgusb_find_idlest,
.find_companion = omap2_clk_dflt_find_companion,
};
const struct clkops clkops_omap3430es2_iclk_hsotgusb_wait = {
.enable = omap2_dflt_clk_enable,
.disable = omap2_dflt_clk_disable,
.find_idlest = omap3430es2_clk_hsotgusb_find_idlest,
.find_companion = omap2_clk_dflt_find_companion,
.allow_idle = omap2_clkt_iclk_allow_idle,
.deny_idle = omap2_clkt_iclk_deny_idle,
};

5
arch/arm/mach-omap2/clock34xx.h
View File

@ -2,14 +2,17 @@
* OMAP34xx clock function prototypes and macros
*
* Copyright (C) 2007-2010 Texas Instruments, Inc.
* Copyright (C) 2007-2010 Nokia Corporation
* Copyright (C) 2007-2011 Nokia Corporation
*/
#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK34XX_H
#define __ARCH_ARM_MACH_OMAP2_CLOCK34XX_H
extern const struct clkops clkops_omap3430es2_ssi_wait;
extern const struct clkops clkops_omap3430es2_iclk_ssi_wait;
extern const struct clkops clkops_omap3430es2_hsotgusb_wait;
extern const struct clkops clkops_omap3430es2_iclk_hsotgusb_wait;
extern const struct clkops clkops_omap3430es2_dss_usbhost_wait;
extern const struct clkops clkops_omap3430es2_iclk_dss_usbhost_wait;
#endif

4
arch/arm/mach-omap2/clock3517.c
View File

@ -2,7 +2,7 @@
* OMAP3517/3505-specific clock framework functions
*
* Copyright (C) 2010 Texas Instruments, Inc.
* Copyright (C) 2010 Nokia Corporation
* Copyright (C) 2011 Nokia Corporation
*
* Ranjith Lohithakshan
* Paul Walmsley
@ -119,6 +119,8 @@ const struct clkops clkops_am35xx_ipss_wait = {
.disable = omap2_dflt_clk_disable,
.find_idlest = am35xx_clk_ipss_find_idlest,
.find_companion = omap2_clk_dflt_find_companion,
.allow_idle = omap2_clkt_iclk_allow_idle,
.deny_idle = omap2_clkt_iclk_deny_idle,
};

3
arch/arm/mach-omap2/clock3xxx.c
View File

@ -65,9 +65,6 @@ void __init omap3_clk_lock_dpll5(void)
clk_set_rate(dpll5_clk, DPLL5_FREQ_FOR_USBHOST);
clk_enable(dpll5_clk);
/* Enable autoidle to allow it to enter low power bypass */
omap3_dpll_allow_idle(dpll5_clk);
/* Program dpll5_m2_clk divider for no division */
dpll5_m2_clk = clk_get(NULL, "dpll5_m2_ck");
clk_enable(dpll5_m2_clk);

165
arch/arm/mach-omap2/clock3xxx_data.c
View File

@ -2,7 +2,7 @@
* OMAP3 clock data
*
* Copyright (C) 2007-2010 Texas Instruments, Inc.
* Copyright (C) 2007-2010 Nokia Corporation
* Copyright (C) 2007-2011 Nokia Corporation
*
* Written by Paul Walmsley
* With many device clock fixes by Kevin Hilman and Jouni Högander
@ -291,12 +291,11 @@ static struct dpll_data dpll1_dd = {
.max_multiplier = OMAP3_MAX_DPLL_MULT,
.min_divider = 1,
.max_divider = OMAP3_MAX_DPLL_DIV,
.rate_tolerance = DEFAULT_DPLL_RATE_TOLERANCE
};
static struct clk dpll1_ck = {
.name = "dpll1_ck",
.ops = &clkops_null,
.ops = &clkops_omap3_noncore_dpll_ops,
.parent = &sys_ck,
.dpll_data = &dpll1_dd,
.round_rate = &omap2_dpll_round_rate,
@ -364,7 +363,6 @@ static struct dpll_data dpll2_dd = {
.max_multiplier = OMAP3_MAX_DPLL_MULT,
.min_divider = 1,
.max_divider = OMAP3_MAX_DPLL_DIV,
.rate_tolerance = DEFAULT_DPLL_RATE_TOLERANCE
};
static struct clk dpll2_ck = {
@ -424,12 +422,11 @@ static struct dpll_data dpll3_dd = {
.max_multiplier = OMAP3_MAX_DPLL_MULT,
.min_divider = 1,
.max_divider = OMAP3_MAX_DPLL_DIV,
.rate_tolerance = DEFAULT_DPLL_RATE_TOLERANCE
};
static struct clk dpll3_ck = {
.name = "dpll3_ck",
.ops = &clkops_null,
.ops = &clkops_omap3_core_dpll_ops,
.parent = &sys_ck,
.dpll_data = &dpll3_dd,
.round_rate = &omap2_dpll_round_rate,
@ -583,7 +580,6 @@ static struct dpll_data dpll4_dd_34xx __initdata = {
.max_multiplier = OMAP3_MAX_DPLL_MULT,
.min_divider = 1,
.max_divider = OMAP3_MAX_DPLL_DIV,
.rate_tolerance = DEFAULT_DPLL_RATE_TOLERANCE
};
static struct dpll_data dpll4_dd_3630 __initdata = {
@ -607,7 +603,6 @@ static struct dpll_data dpll4_dd_3630 __initdata = {
.max_multiplier = OMAP3630_MAX_JTYPE_DPLL_MULT,
.min_divider = 1,
.max_divider = OMAP3_MAX_DPLL_DIV,
.rate_tolerance = DEFAULT_DPLL_RATE_TOLERANCE,
.flags = DPLL_J_TYPE
};
@ -939,7 +934,6 @@ static struct dpll_data dpll5_dd = {
.max_multiplier = OMAP3_MAX_DPLL_MULT,
.min_divider = 1,
.max_divider = OMAP3_MAX_DPLL_DIV,
.rate_tolerance = DEFAULT_DPLL_RATE_TOLERANCE
};
static struct clk dpll5_ck = {
@ -1205,7 +1199,10 @@ static const struct clksel gfx_l3_clksel[] = {
{ .parent = NULL }
};
/* Virtual parent clock for gfx_l3_ick and gfx_l3_fck */
/*
* Virtual parent clock for gfx_l3_ick and gfx_l3_fck
* This interface clock does not have a CM_AUTOIDLE bit
*/
static struct clk gfx_l3_ck = {
.name = "gfx_l3_ck",
.ops = &clkops_omap2_dflt_wait,
@ -1304,6 +1301,7 @@ static struct clk sgx_fck = {
.round_rate = &omap2_clksel_round_rate
};
/* This interface clock does not have a CM_AUTOIDLE bit */
static struct clk sgx_ick = {
.name = "sgx_ick",
.ops = &clkops_omap2_dflt_wait,
@ -1328,7 +1326,7 @@ static struct clk d2d_26m_fck = {
static struct clk modem_fck = {
.name = "modem_fck",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_mdmclk_dflt_wait,
.parent = &sys_ck,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
.enable_bit = OMAP3430_EN_MODEM_SHIFT,
@ -1338,7 +1336,7 @@ static struct clk modem_fck = {
static struct clk sad2d_ick = {
.name = "sad2d_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l3_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_SAD2D_SHIFT,
@ -1348,7 +1346,7 @@ static struct clk sad2d_ick = {
static struct clk mad2d_ick = {
.name = "mad2d_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l3_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN3),
.enable_bit = OMAP3430_EN_MAD2D_SHIFT,
@ -1718,7 +1716,7 @@ static struct clk core_l3_ick = {
static struct clk hsotgusb_ick_3430es1 = {
.name = "hsotgusb_ick",
.ops = &clkops_omap2_dflt,
.ops = &clkops_omap2_iclk_dflt,
.parent = &core_l3_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_HSOTGUSB_SHIFT,
@ -1728,7 +1726,7 @@ static struct clk hsotgusb_ick_3430es1 = {
static struct clk hsotgusb_ick_3430es2 = {
.name = "hsotgusb_ick",
.ops = &clkops_omap3430es2_hsotgusb_wait,
.ops = &clkops_omap3430es2_iclk_hsotgusb_wait,
.parent = &core_l3_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_HSOTGUSB_SHIFT,
@ -1736,6 +1734,7 @@ static struct clk hsotgusb_ick_3430es2 = {
.recalc = &followparent_recalc,
};
/* This interface clock does not have a CM_AUTOIDLE bit */
static struct clk sdrc_ick = {
.name = "sdrc_ick",
.ops = &clkops_omap2_dflt_wait,
@ -1767,7 +1766,7 @@ static struct clk security_l3_ick = {
static struct clk pka_ick = {
.name = "pka_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &security_l3_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
.enable_bit = OMAP3430_EN_PKA_SHIFT,
@ -1786,7 +1785,7 @@ static struct clk core_l4_ick = {
static struct clk usbtll_ick = {
.name = "usbtll_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN3),
.enable_bit = OMAP3430ES2_EN_USBTLL_SHIFT,
@ -1796,7 +1795,7 @@ static struct clk usbtll_ick = {
static struct clk mmchs3_ick = {
.name = "mmchs3_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430ES2_EN_MMC3_SHIFT,
@ -1807,7 +1806,7 @@ static struct clk mmchs3_ick = {
/* Intersystem Communication Registers - chassis mode only */
static struct clk icr_ick = {
.name = "icr_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_ICR_SHIFT,
@ -1817,7 +1816,7 @@ static struct clk icr_ick = {
static struct clk aes2_ick = {
.name = "aes2_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_AES2_SHIFT,
@ -1827,7 +1826,7 @@ static struct clk aes2_ick = {
static struct clk sha12_ick = {
.name = "sha12_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_SHA12_SHIFT,
@ -1837,7 +1836,7 @@ static struct clk sha12_ick = {
static struct clk des2_ick = {
.name = "des2_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_DES2_SHIFT,
@ -1847,7 +1846,7 @@ static struct clk des2_ick = {
static struct clk mmchs2_ick = {
.name = "mmchs2_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_MMC2_SHIFT,
@ -1857,7 +1856,7 @@ static struct clk mmchs2_ick = {
static struct clk mmchs1_ick = {
.name = "mmchs1_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_MMC1_SHIFT,
@ -1867,7 +1866,7 @@ static struct clk mmchs1_ick = {
static struct clk mspro_ick = {
.name = "mspro_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_MSPRO_SHIFT,
@ -1877,7 +1876,7 @@ static struct clk mspro_ick = {
static struct clk hdq_ick = {
.name = "hdq_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_HDQ_SHIFT,
@ -1887,7 +1886,7 @@ static struct clk hdq_ick = {
static struct clk mcspi4_ick = {
.name = "mcspi4_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_MCSPI4_SHIFT,
@ -1897,7 +1896,7 @@ static struct clk mcspi4_ick = {
static struct clk mcspi3_ick = {
.name = "mcspi3_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_MCSPI3_SHIFT,
@ -1907,7 +1906,7 @@ static struct clk mcspi3_ick = {
static struct clk mcspi2_ick = {
.name = "mcspi2_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_MCSPI2_SHIFT,
@ -1917,7 +1916,7 @@ static struct clk mcspi2_ick = {
static struct clk mcspi1_ick = {
.name = "mcspi1_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_MCSPI1_SHIFT,
@ -1927,7 +1926,7 @@ static struct clk mcspi1_ick = {
static struct clk i2c3_ick = {
.name = "i2c3_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_I2C3_SHIFT,
@ -1937,7 +1936,7 @@ static struct clk i2c3_ick = {
static struct clk i2c2_ick = {
.name = "i2c2_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_I2C2_SHIFT,
@ -1947,7 +1946,7 @@ static struct clk i2c2_ick = {
static struct clk i2c1_ick = {
.name = "i2c1_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_I2C1_SHIFT,
@ -1957,7 +1956,7 @@ static struct clk i2c1_ick = {
static struct clk uart2_ick = {
.name = "uart2_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_UART2_SHIFT,
@ -1967,7 +1966,7 @@ static struct clk uart2_ick = {
static struct clk uart1_ick = {
.name = "uart1_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_UART1_SHIFT,
@ -1977,7 +1976,7 @@ static struct clk uart1_ick = {
static struct clk gpt11_ick = {
.name = "gpt11_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_GPT11_SHIFT,
@ -1987,7 +1986,7 @@ static struct clk gpt11_ick = {
static struct clk gpt10_ick = {
.name = "gpt10_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_GPT10_SHIFT,
@ -1997,7 +1996,7 @@ static struct clk gpt10_ick = {
static struct clk mcbsp5_ick = {
.name = "mcbsp5_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_MCBSP5_SHIFT,
@ -2007,7 +2006,7 @@ static struct clk mcbsp5_ick = {
static struct clk mcbsp1_ick = {
.name = "mcbsp1_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_MCBSP1_SHIFT,
@ -2017,7 +2016,7 @@ static struct clk mcbsp1_ick = {
static struct clk fac_ick = {
.name = "fac_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430ES1_EN_FAC_SHIFT,
@ -2027,7 +2026,7 @@ static struct clk fac_ick = {
static struct clk mailboxes_ick = {
.name = "mailboxes_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_MAILBOXES_SHIFT,
@ -2037,7 +2036,7 @@ static struct clk mailboxes_ick = {
static struct clk omapctrl_ick = {
.name = "omapctrl_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_OMAPCTRL_SHIFT,
@ -2057,7 +2056,7 @@ static struct clk ssi_l4_ick = {
static struct clk ssi_ick_3430es1 = {
.name = "ssi_ick",
.ops = &clkops_omap2_dflt,
.ops = &clkops_omap2_iclk_dflt,
.parent = &ssi_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_SSI_SHIFT,
@ -2067,7 +2066,7 @@ static struct clk ssi_ick_3430es1 = {
static struct clk ssi_ick_3430es2 = {
.name = "ssi_ick",
.ops = &clkops_omap3430es2_ssi_wait,
.ops = &clkops_omap3430es2_iclk_ssi_wait,
.parent = &ssi_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_SSI_SHIFT,
@ -2085,7 +2084,7 @@ static const struct clksel usb_l4_clksel[] = {
static struct clk usb_l4_ick = {
.name = "usb_l4_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &l4_ick,
.init = &omap2_init_clksel_parent,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
@ -2107,7 +2106,7 @@ static struct clk security_l4_ick2 = {
static struct clk aes1_ick = {
.name = "aes1_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &security_l4_ick2,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
.enable_bit = OMAP3430_EN_AES1_SHIFT,
@ -2116,7 +2115,7 @@ static struct clk aes1_ick = {
static struct clk rng_ick = {
.name = "rng_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &security_l4_ick2,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
.enable_bit = OMAP3430_EN_RNG_SHIFT,
@ -2125,7 +2124,7 @@ static struct clk rng_ick = {
static struct clk sha11_ick = {
.name = "sha11_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &security_l4_ick2,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
.enable_bit = OMAP3430_EN_SHA11_SHIFT,
@ -2134,7 +2133,7 @@ static struct clk sha11_ick = {
static struct clk des1_ick = {
.name = "des1_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &security_l4_ick2,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
.enable_bit = OMAP3430_EN_DES1_SHIFT,
@ -2195,7 +2194,7 @@ static struct clk dss2_alwon_fck = {
static struct clk dss_ick_3430es1 = {
/* Handles both L3 and L4 clocks */
.name = "dss_ick",
.ops = &clkops_omap2_dflt,
.ops = &clkops_omap2_iclk_dflt,
.parent = &l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_CM_ICLKEN_DSS_EN_DSS_SHIFT,
@ -2206,7 +2205,7 @@ static struct clk dss_ick_3430es1 = {
static struct clk dss_ick_3430es2 = {
/* Handles both L3 and L4 clocks */
.name = "dss_ick",
.ops = &clkops_omap3430es2_dss_usbhost_wait,
.ops = &clkops_omap3430es2_iclk_dss_usbhost_wait,
.parent = &l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_CM_ICLKEN_DSS_EN_DSS_SHIFT,
@ -2229,7 +2228,7 @@ static struct clk cam_mclk = {
static struct clk cam_ick = {
/* Handles both L3 and L4 clocks */
.name = "cam_ick",
.ops = &clkops_omap2_dflt,
.ops = &clkops_omap2_iclk_dflt,
.parent = &l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_CAM_SHIFT,
@ -2272,7 +2271,7 @@ static struct clk usbhost_48m_fck = {
static struct clk usbhost_ick = {
/* Handles both L3 and L4 clocks */
.name = "usbhost_ick",
.ops = &clkops_omap3430es2_dss_usbhost_wait,
.ops = &clkops_omap3430es2_iclk_dss_usbhost_wait,
.parent = &l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430ES2_USBHOST_MOD, CM_ICLKEN),
.enable_bit = OMAP3430ES2_EN_USBHOST_SHIFT,
@ -2372,7 +2371,7 @@ static struct clk wkup_l4_ick = {
/* Never specifically named in the TRM, so we have to infer a likely name */
static struct clk usim_ick = {
.name = "usim_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &wkup_l4_ick,
.enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN),
.enable_bit = OMAP3430ES2_EN_USIMOCP_SHIFT,
@ -2382,7 +2381,7 @@ static struct clk usim_ick = {
static struct clk wdt2_ick = {
.name = "wdt2_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &wkup_l4_ick,
.enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_WDT2_SHIFT,
@ -2392,7 +2391,7 @@ static struct clk wdt2_ick = {
static struct clk wdt1_ick = {
.name = "wdt1_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &wkup_l4_ick,
.enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_WDT1_SHIFT,
@ -2402,7 +2401,7 @@ static struct clk wdt1_ick = {
static struct clk gpio1_ick = {
.name = "gpio1_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &wkup_l4_ick,
.enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_GPIO1_SHIFT,
@ -2412,7 +2411,7 @@ static struct clk gpio1_ick = {
static struct clk omap_32ksync_ick = {
.name = "omap_32ksync_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &wkup_l4_ick,
.enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_32KSYNC_SHIFT,
@ -2423,7 +2422,7 @@ static struct clk omap_32ksync_ick = {
/* XXX This clock no longer exists in 3430 TRM rev F */
static struct clk gpt12_ick = {
.name = "gpt12_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &wkup_l4_ick,
.enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_GPT12_SHIFT,
@ -2433,7 +2432,7 @@ static struct clk gpt12_ick = {
static struct clk gpt1_ick = {
.name = "gpt1_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &wkup_l4_ick,
.enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_GPT1_SHIFT,
@ -2663,7 +2662,7 @@ static struct clk per_l4_ick = {
static struct clk gpio6_ick = {
.name = "gpio6_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &per_l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_GPIO6_SHIFT,
@ -2673,7 +2672,7 @@ static struct clk gpio6_ick = {
static struct clk gpio5_ick = {
.name = "gpio5_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &per_l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_GPIO5_SHIFT,
@ -2683,7 +2682,7 @@ static struct clk gpio5_ick = {
static struct clk gpio4_ick = {
.name = "gpio4_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &per_l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_GPIO4_SHIFT,
@ -2693,7 +2692,7 @@ static struct clk gpio4_ick = {
static struct clk gpio3_ick = {
.name = "gpio3_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &per_l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_GPIO3_SHIFT,
@ -2703,7 +2702,7 @@ static struct clk gpio3_ick = {
static struct clk gpio2_ick = {
.name = "gpio2_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &per_l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_GPIO2_SHIFT,
@ -2713,7 +2712,7 @@ static struct clk gpio2_ick = {
static struct clk wdt3_ick = {
.name = "wdt3_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &per_l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_WDT3_SHIFT,
@ -2723,7 +2722,7 @@ static struct clk wdt3_ick = {
static struct clk uart3_ick = {
.name = "uart3_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &per_l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_UART3_SHIFT,
@ -2733,7 +2732,7 @@ static struct clk uart3_ick = {
static struct clk uart4_ick = {
.name = "uart4_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &per_l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN),
.enable_bit = OMAP3630_EN_UART4_SHIFT,
@ -2743,7 +2742,7 @@ static struct clk uart4_ick = {
static struct clk gpt9_ick = {
.name = "gpt9_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &per_l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_GPT9_SHIFT,
@ -2753,7 +2752,7 @@ static struct clk gpt9_ick = {
static struct clk gpt8_ick = {
.name = "gpt8_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &per_l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_GPT8_SHIFT,
@ -2763,7 +2762,7 @@ static struct clk gpt8_ick = {
static struct clk gpt7_ick = {
.name = "gpt7_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &per_l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_GPT7_SHIFT,
@ -2773,7 +2772,7 @@ static struct clk gpt7_ick = {
static struct clk gpt6_ick = {
.name = "gpt6_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &per_l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_GPT6_SHIFT,
@ -2783,7 +2782,7 @@ static struct clk gpt6_ick = {
static struct clk gpt5_ick = {
.name = "gpt5_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &per_l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_GPT5_SHIFT,
@ -2793,7 +2792,7 @@ static struct clk gpt5_ick = {
static struct clk gpt4_ick = {
.name = "gpt4_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &per_l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_GPT4_SHIFT,
@ -2803,7 +2802,7 @@ static struct clk gpt4_ick = {
static struct clk gpt3_ick = {
.name = "gpt3_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &per_l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_GPT3_SHIFT,
@ -2813,7 +2812,7 @@ static struct clk gpt3_ick = {
static struct clk gpt2_ick = {
.name = "gpt2_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &per_l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_GPT2_SHIFT,
@ -2823,7 +2822,7 @@ static struct clk gpt2_ick = {
static struct clk mcbsp2_ick = {
.name = "mcbsp2_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &per_l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_MCBSP2_SHIFT,
@ -2833,7 +2832,7 @@ static struct clk mcbsp2_ick = {
static struct clk mcbsp3_ick = {
.name = "mcbsp3_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &per_l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_MCBSP3_SHIFT,
@ -2843,7 +2842,7 @@ static struct clk mcbsp3_ick = {
static struct clk mcbsp4_ick = {
.name = "mcbsp4_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &per_l4_ick,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_MCBSP4_SHIFT,
@ -3186,7 +3185,7 @@ static struct clk vpfe_fck = {
*/
static struct clk uart4_ick_am35xx = {
.name = "uart4_ick",
.ops = &clkops_omap2_dflt_wait,
.ops = &clkops_omap2_iclk_dflt_wait,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = AM35XX_EN_UART4_SHIFT,
@ -3538,6 +3537,9 @@ int __init omap3xxx_clk_init(void)
omap2_init_clk_clkdm(c->lk.clk);
}
/* Disable autoidle on all clocks; let the PM code enable it later */
omap_clk_disable_autoidle_all();
recalculate_root_clocks();
pr_info("Clocking rate (Crystal/Core/MPU): %ld.%01ld/%ld/%ld MHz\n",
@ -3551,7 +3553,8 @@ int __init omap3xxx_clk_init(void)
clk_enable_init_clocks();
/*
* Lock DPLL5 and put it in autoidle.
* Lock DPLL5 -- here only until other device init code can
* handle this
*/
if (!cpu_is_ti816x() && (omap_rev() >= OMAP3430_REV_ES2_0))
omap3_clk_lock_dpll5();

57
arch/arm/mach-omap2/clock44xx_data.c
View File

@ -278,8 +278,10 @@ static struct clk dpll_abe_ck = {
static struct clk dpll_abe_x2_ck = {
.name = "dpll_abe_x2_ck",
.parent = &dpll_abe_ck,
.ops = &clkops_null,
.flags = CLOCK_CLKOUTX2,
.ops = &clkops_omap4_dpllmx_ops,
.recalc = &omap3_clkoutx2_recalc,
.clksel_reg = OMAP4430_CM_DIV_M2_DPLL_ABE,
};
static const struct clksel_rate div31_1to31_rates[] = {
@ -328,7 +330,7 @@ static struct clk dpll_abe_m2x2_ck = {
.clksel = dpll_abe_m2x2_div,
.clksel_reg = OMAP4430_CM_DIV_M2_DPLL_ABE,
.clksel_mask = OMAP4430_DPLL_CLKOUT_DIV_MASK,
.ops = &clkops_null,
.ops = &clkops_omap4_dpllmx_ops,
.recalc = &omap2_clksel_recalc,
.round_rate = &omap2_clksel_round_rate,
.set_rate = &omap2_clksel_set_rate,
@ -395,7 +397,7 @@ static struct clk dpll_abe_m3x2_ck = {
.clksel = dpll_abe_m2x2_div,
.clksel_reg = OMAP4430_CM_DIV_M3_DPLL_ABE,
.clksel_mask = OMAP4430_DPLL_CLKOUTHIF_DIV_MASK,
.ops = &clkops_null,
.ops = &clkops_omap4_dpllmx_ops,
.recalc = &omap2_clksel_recalc,
.round_rate = &omap2_clksel_round_rate,
.set_rate = &omap2_clksel_set_rate,
@ -443,13 +445,14 @@ static struct clk dpll_core_ck = {
.parent = &sys_clkin_ck,
.dpll_data = &dpll_core_dd,
.init = &omap2_init_dpll_parent,
.ops = &clkops_null,
.ops = &clkops_omap3_core_dpll_ops,
.recalc = &omap3_dpll_recalc,
};
static struct clk dpll_core_x2_ck = {
.name = "dpll_core_x2_ck",
.parent = &dpll_core_ck,
.flags = CLOCK_CLKOUTX2,
.ops = &clkops_null,
.recalc = &omap3_clkoutx2_recalc,
};
@ -465,7 +468,7 @@ static struct clk dpll_core_m6x2_ck = {
.clksel = dpll_core_m6x2_div,
.clksel_reg = OMAP4430_CM_DIV_M6_DPLL_CORE,
.clksel_mask = OMAP4430_HSDIVIDER_CLKOUT3_DIV_MASK,
.ops = &clkops_null,
.ops = &clkops_omap4_dpllmx_ops,
.recalc = &omap2_clksel_recalc,
.round_rate = &omap2_clksel_round_rate,
.set_rate = &omap2_clksel_set_rate,
@ -495,7 +498,7 @@ static struct clk dpll_core_m2_ck = {
.clksel = dpll_core_m2_div,
.clksel_reg = OMAP4430_CM_DIV_M2_DPLL_CORE,
.clksel_mask = OMAP4430_DPLL_CLKOUT_DIV_MASK,
.ops = &clkops_null,
.ops = &clkops_omap4_dpllmx_ops,
.recalc = &omap2_clksel_recalc,
.round_rate = &omap2_clksel_round_rate,
.set_rate = &omap2_clksel_set_rate,
@ -515,7 +518,7 @@ static struct clk dpll_core_m5x2_ck = {
.clksel = dpll_core_m6x2_div,
.clksel_reg = OMAP4430_CM_DIV_M5_DPLL_CORE,
.clksel_mask = OMAP4430_HSDIVIDER_CLKOUT2_DIV_MASK,
.ops = &clkops_null,
.ops = &clkops_omap4_dpllmx_ops,
.recalc = &omap2_clksel_recalc,
.round_rate = &omap2_clksel_round_rate,
.set_rate = &omap2_clksel_set_rate,
@ -581,7 +584,7 @@ static struct clk dpll_core_m4x2_ck = {
.clksel = dpll_core_m6x2_div,
.clksel_reg = OMAP4430_CM_DIV_M4_DPLL_CORE,
.clksel_mask = OMAP4430_HSDIVIDER_CLKOUT1_DIV_MASK,
.ops = &clkops_null,
.ops = &clkops_omap4_dpllmx_ops,
.recalc = &omap2_clksel_recalc,
.round_rate = &omap2_clksel_round_rate,
.set_rate = &omap2_clksel_set_rate,
@ -606,7 +609,7 @@ static struct clk dpll_abe_m2_ck = {
.clksel = dpll_abe_m2_div,
.clksel_reg = OMAP4430_CM_DIV_M2_DPLL_ABE,
.clksel_mask = OMAP4430_DPLL_CLKOUT_DIV_MASK,
.ops = &clkops_null,
.ops = &clkops_omap4_dpllmx_ops,
.recalc = &omap2_clksel_recalc,
.round_rate = &omap2_clksel_round_rate,
.set_rate = &omap2_clksel_set_rate,
@ -632,7 +635,7 @@ static struct clk dpll_core_m7x2_ck = {
.clksel = dpll_core_m6x2_div,
.clksel_reg = OMAP4430_CM_DIV_M7_DPLL_CORE,
.clksel_mask = OMAP4430_HSDIVIDER_CLKOUT4_DIV_MASK,
.ops = &clkops_null,
.ops = &clkops_omap4_dpllmx_ops,
.recalc = &omap2_clksel_recalc,
.round_rate = &omap2_clksel_round_rate,
.set_rate = &omap2_clksel_set_rate,
@ -689,6 +692,7 @@ static struct clk dpll_iva_ck = {
static struct clk dpll_iva_x2_ck = {
.name = "dpll_iva_x2_ck",
.parent = &dpll_iva_ck,
.flags = CLOCK_CLKOUTX2,
.ops = &clkops_null,
.recalc = &omap3_clkoutx2_recalc,
};
@ -704,7 +708,7 @@ static struct clk dpll_iva_m4x2_ck = {
.clksel = dpll_iva_m4x2_div,
.clksel_reg = OMAP4430_CM_DIV_M4_DPLL_IVA,
.clksel_mask = OMAP4430_HSDIVIDER_CLKOUT1_DIV_MASK,
.ops = &clkops_null,
.ops = &clkops_omap4_dpllmx_ops,
.recalc = &omap2_clksel_recalc,
.round_rate = &omap2_clksel_round_rate,
.set_rate = &omap2_clksel_set_rate,
@ -716,7 +720,7 @@ static struct clk dpll_iva_m5x2_ck = {
.clksel = dpll_iva_m4x2_div,
.clksel_reg = OMAP4430_CM_DIV_M5_DPLL_IVA,
.clksel_mask = OMAP4430_HSDIVIDER_CLKOUT2_DIV_MASK,
.ops = &clkops_null,
.ops = &clkops_omap4_dpllmx_ops,
.recalc = &omap2_clksel_recalc,
.round_rate = &omap2_clksel_round_rate,
.set_rate = &omap2_clksel_set_rate,
@ -764,7 +768,7 @@ static struct clk dpll_mpu_m2_ck = {
.clksel = dpll_mpu_m2_div,
.clksel_reg = OMAP4430_CM_DIV_M2_DPLL_MPU,
.clksel_mask = OMAP4430_DPLL_CLKOUT_DIV_MASK,
.ops = &clkops_null,
.ops = &clkops_omap4_dpllmx_ops,
.recalc = &omap2_clksel_recalc,
.round_rate = &omap2_clksel_round_rate,
.set_rate = &omap2_clksel_set_rate,
@ -837,7 +841,7 @@ static struct clk dpll_per_m2_ck = {
.clksel = dpll_per_m2_div,
.clksel_reg = OMAP4430_CM_DIV_M2_DPLL_PER,
.clksel_mask = OMAP4430_DPLL_CLKOUT_DIV_MASK,
.ops = &clkops_null,
.ops = &clkops_omap4_dpllmx_ops,
.recalc = &omap2_clksel_recalc,
.round_rate = &omap2_clksel_round_rate,
.set_rate = &omap2_clksel_set_rate,
@ -846,8 +850,10 @@ static struct clk dpll_per_m2_ck = {
static struct clk dpll_per_x2_ck = {
.name = "dpll_per_x2_ck",
.parent = &dpll_per_ck,
.ops = &clkops_null,
.flags = CLOCK_CLKOUTX2,
.ops = &clkops_omap4_dpllmx_ops,
.recalc = &omap3_clkoutx2_recalc,
.clksel_reg = OMAP4430_CM_DIV_M2_DPLL_PER,
};
static const struct clksel dpll_per_m2x2_div[] = {
@ -861,7 +867,7 @@ static struct clk dpll_per_m2x2_ck = {
.clksel = dpll_per_m2x2_div,
.clksel_reg = OMAP4430_CM_DIV_M2_DPLL_PER,
.clksel_mask = OMAP4430_DPLL_CLKOUT_DIV_MASK,
.ops = &clkops_null,
.ops = &clkops_omap4_dpllmx_ops,
.recalc = &omap2_clksel_recalc,
.round_rate = &omap2_clksel_round_rate,
.set_rate = &omap2_clksel_set_rate,
@ -887,7 +893,7 @@ static struct clk dpll_per_m4x2_ck = {
.clksel = dpll_per_m2x2_div,
.clksel_reg = OMAP4430_CM_DIV_M4_DPLL_PER,
.clksel_mask = OMAP4430_HSDIVIDER_CLKOUT1_DIV_MASK,
.ops = &clkops_null,
.ops = &clkops_omap4_dpllmx_ops,
.recalc = &omap2_clksel_recalc,
.round_rate = &omap2_clksel_round_rate,
.set_rate = &omap2_clksel_set_rate,
@ -899,7 +905,7 @@ static struct clk dpll_per_m5x2_ck = {
.clksel = dpll_per_m2x2_div,
.clksel_reg = OMAP4430_CM_DIV_M5_DPLL_PER,
.clksel_mask = OMAP4430_HSDIVIDER_CLKOUT2_DIV_MASK,
.ops = &clkops_null,
.ops = &clkops_omap4_dpllmx_ops,
.recalc = &omap2_clksel_recalc,
.round_rate = &omap2_clksel_round_rate,
.set_rate = &omap2_clksel_set_rate,
@ -911,7 +917,7 @@ static struct clk dpll_per_m6x2_ck = {
.clksel = dpll_per_m2x2_div,
.clksel_reg = OMAP4430_CM_DIV_M6_DPLL_PER,
.clksel_mask = OMAP4430_HSDIVIDER_CLKOUT3_DIV_MASK,
.ops = &clkops_null,
.ops = &clkops_omap4_dpllmx_ops,
.recalc = &omap2_clksel_recalc,
.round_rate = &omap2_clksel_round_rate,
.set_rate = &omap2_clksel_set_rate,
@ -923,7 +929,7 @@ static struct clk dpll_per_m7x2_ck = {
.clksel = dpll_per_m2x2_div,
.clksel_reg = OMAP4430_CM_DIV_M7_DPLL_PER,
.clksel_mask = OMAP4430_HSDIVIDER_CLKOUT4_DIV_MASK,
.ops = &clkops_null,
.ops = &clkops_omap4_dpllmx_ops,
.recalc = &omap2_clksel_recalc,
.round_rate = &omap2_clksel_round_rate,
.set_rate = &omap2_clksel_set_rate,
@ -964,6 +970,7 @@ static struct clk dpll_unipro_ck = {
static struct clk dpll_unipro_x2_ck = {
.name = "dpll_unipro_x2_ck",
.parent = &dpll_unipro_ck,
.flags = CLOCK_CLKOUTX2,
.ops = &clkops_null,
.recalc = &omap3_clkoutx2_recalc,
};
@ -979,7 +986,7 @@ static struct clk dpll_unipro_m2x2_ck = {
.clksel = dpll_unipro_m2x2_div,
.clksel_reg = OMAP4430_CM_DIV_M2_DPLL_UNIPRO,
.clksel_mask = OMAP4430_DPLL_CLKOUT_DIV_MASK,
.ops = &clkops_null,
.ops = &clkops_omap4_dpllmx_ops,
.recalc = &omap2_clksel_recalc,
.round_rate = &omap2_clksel_round_rate,
.set_rate = &omap2_clksel_set_rate,
@ -1028,7 +1035,8 @@ static struct clk dpll_usb_ck = {
static struct clk dpll_usb_clkdcoldo_ck = {
.name = "dpll_usb_clkdcoldo_ck",
.parent = &dpll_usb_ck,
.ops = &clkops_null,
.ops = &clkops_omap4_dpllmx_ops,
.clksel_reg = OMAP4430_CM_CLKDCOLDO_DPLL_USB,
.recalc = &followparent_recalc,
};
@ -1043,7 +1051,7 @@ static struct clk dpll_usb_m2_ck = {
.clksel = dpll_usb_m2_div,
.clksel_reg = OMAP4430_CM_DIV_M2_DPLL_USB,
.clksel_mask = OMAP4430_DPLL_CLKOUT_DIV_0_6_MASK,
.ops = &clkops_null,
.ops = &clkops_omap4_dpllmx_ops,
.recalc = &omap2_clksel_recalc,
.round_rate = &omap2_clksel_round_rate,
.set_rate = &omap2_clksel_set_rate,
@ -3301,6 +3309,9 @@ int __init omap4xxx_clk_init(void)
omap2_init_clk_clkdm(c->lk.clk);
}
/* Disable autoidle on all clocks; let the PM code enable it later */
omap_clk_disable_autoidle_all();
recalculate_root_clocks();
/*

6
arch/arm/mach-omap2/clock_common_data.c
View File

@ -37,3 +37,9 @@ const struct clksel_rate gfx_l3_rates[] = {
{ .div = 0 }
};
const struct clksel_rate dsp_ick_rates[] = {
{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
{ .div = 2, .val = 2, .flags = RATE_IN_24XX },
{ .div = 3, .val = 3, .flags = RATE_IN_243X },
{ .div = 0 },
};

439
arch/arm/mach-omap2/clockdomain.c
View File

@ -26,17 +26,8 @@
#include <linux/bitops.h>
#include "prm2xxx_3xxx.h"
#include "prm-regbits-24xx.h"
#include "cm2xxx_3xxx.h"
#include "cm-regbits-24xx.h"
#include "cminst44xx.h"
#include "prcm44xx.h"
#include <plat/clock.h>
#include "powerdomain.h"
#include "clockdomain.h"
#include <plat/prcm.h>
/* clkdm_list contains all registered struct clockdomains */
static LIST_HEAD(clkdm_list);
@ -44,6 +35,7 @@ static LIST_HEAD(clkdm_list);
/* array of clockdomain deps to be added/removed when clkdm in hwsup mode */
static struct clkdm_autodep *autodeps;
static struct clkdm_ops *arch_clkdm;
/* Private functions */
@ -177,11 +169,11 @@ static void _autodep_lookup(struct clkdm_autodep *autodep)
* XXX autodeps are deprecated and should be removed at the earliest
* opportunity
*/
static void _clkdm_add_autodeps(struct clockdomain *clkdm)
void _clkdm_add_autodeps(struct clockdomain *clkdm)
{
struct clkdm_autodep *autodep;
if (!autodeps)
if (!autodeps || clkdm->flags & CLKDM_NO_AUTODEPS)
return;
for (autodep = autodeps; autodep->clkdm.ptr; autodep++) {
@ -211,11 +203,11 @@ static void _clkdm_add_autodeps(struct clockdomain *clkdm)
* XXX autodeps are deprecated and should be removed at the earliest
* opportunity
*/
static void _clkdm_del_autodeps(struct clockdomain *clkdm)
void _clkdm_del_autodeps(struct clockdomain *clkdm)
{
struct clkdm_autodep *autodep;
if (!autodeps)
if (!autodeps || clkdm->flags & CLKDM_NO_AUTODEPS)
return;
for (autodep = autodeps; autodep->clkdm.ptr; autodep++) {
@ -235,55 +227,29 @@ static void _clkdm_del_autodeps(struct clockdomain *clkdm)
}
/**
* _enable_hwsup - place a clockdomain into hardware-supervised idle
* @clkdm: struct clockdomain *
* _resolve_clkdm_deps() - resolve clkdm_names in @clkdm_deps to clkdms
* @clkdm: clockdomain that we are resolving dependencies for
* @clkdm_deps: ptr to array of struct clkdm_deps to resolve
*
* Place the clockdomain into hardware-supervised idle mode. No return
* value.
*
* XXX Should this return an error if the clockdomain does not support
* hardware-supervised idle mode?
*/
static void _enable_hwsup(struct clockdomain *clkdm)
{
if (cpu_is_omap24xx())
omap2xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
clkdm->clktrctrl_mask);
else if (cpu_is_omap34xx())
omap3xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
clkdm->clktrctrl_mask);
else if (cpu_is_omap44xx())
return omap4_cminst_clkdm_enable_hwsup(clkdm->prcm_partition,
clkdm->cm_inst,
clkdm->clkdm_offs);
else
BUG();
}
/**
* _disable_hwsup - place a clockdomain into software-supervised idle
* @clkdm: struct clockdomain *
*
* Place the clockdomain @clkdm into software-supervised idle mode.
* Iterates through @clkdm_deps, looking up the struct clockdomain named by
* clkdm_name and storing the clockdomain pointer in the struct clkdm_dep.
* No return value.
*
* XXX Should this return an error if the clockdomain does not support
* software-supervised idle mode?
*/
static void _disable_hwsup(struct clockdomain *clkdm)
static void _resolve_clkdm_deps(struct clockdomain *clkdm,
struct clkdm_dep *clkdm_deps)
{
if (cpu_is_omap24xx())
omap2xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
clkdm->clktrctrl_mask);
else if (cpu_is_omap34xx())
omap3xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
clkdm->clktrctrl_mask);
else if (cpu_is_omap44xx())
return omap4_cminst_clkdm_disable_hwsup(clkdm->prcm_partition,
clkdm->cm_inst,
clkdm->clkdm_offs);
else
BUG();
struct clkdm_dep *cd;
for (cd = clkdm_deps; cd && cd->clkdm_name; cd++) {
if (!omap_chip_is(cd->omap_chip))
continue;
if (cd->clkdm)
continue;
cd->clkdm = _clkdm_lookup(cd->clkdm_name);
WARN(!cd->clkdm, "clockdomain: %s: could not find clkdm %s while resolving dependencies - should never happen",
clkdm->name, cd->clkdm_name);
}
}
/* Public functions */
@ -292,6 +258,7 @@ static void _disable_hwsup(struct clockdomain *clkdm)
* clkdm_init - set up the clockdomain layer
* @clkdms: optional pointer to an array of clockdomains to register
* @init_autodeps: optional pointer to an array of autodeps to register
* @custom_funcs: func pointers for arch specfic implementations
*
* Set up internal state. If a pointer to an array of clockdomains
* @clkdms was supplied, loop through the list of clockdomains,
@ -300,12 +267,18 @@ static void _disable_hwsup(struct clockdomain *clkdm)
* @init_autodeps was provided, register those. No return value.
*/
void clkdm_init(struct clockdomain **clkdms,
struct clkdm_autodep *init_autodeps)
struct clkdm_autodep *init_autodeps,
struct clkdm_ops *custom_funcs)
{
struct clockdomain **c = NULL;
struct clockdomain *clkdm;
struct clkdm_autodep *autodep = NULL;
if (!custom_funcs)
WARN(1, "No custom clkdm functions registered\n");
else
arch_clkdm = custom_funcs;
if (clkdms)
for (c = clkdms; *c; c++)
_clkdm_register(*c);
@ -321,11 +294,14 @@ void clkdm_init(struct clockdomain **clkdms,
*/
list_for_each_entry(clkdm, &clkdm_list, node) {
if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)
omap2_clkdm_wakeup(clkdm);
clkdm_wakeup(clkdm);
else if (clkdm->flags & CLKDM_CAN_DISABLE_AUTO)
omap2_clkdm_deny_idle(clkdm);
clkdm_deny_idle(clkdm);
_resolve_clkdm_deps(clkdm, clkdm->wkdep_srcs);
clkdm_clear_all_wkdeps(clkdm);
_resolve_clkdm_deps(clkdm, clkdm->sleepdep_srcs);
clkdm_clear_all_sleepdeps(clkdm);
}
}
@ -422,32 +398,32 @@ struct powerdomain *clkdm_get_pwrdm(struct clockdomain *clkdm)
int clkdm_add_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2)
{
struct clkdm_dep *cd;
if (!cpu_is_omap24xx() && !cpu_is_omap34xx()) {
pr_err("clockdomain: %s/%s: %s: not yet implemented\n",
clkdm1->name, clkdm2->name, __func__);
return -EINVAL;
}
int ret = 0;
if (!clkdm1 || !clkdm2)
return -EINVAL;
cd = _clkdm_deps_lookup(clkdm2, clkdm1->wkdep_srcs);
if (IS_ERR(cd)) {
if (IS_ERR(cd))
ret = PTR_ERR(cd);
if (!arch_clkdm || !arch_clkdm->clkdm_add_wkdep)
ret = -EINVAL;
if (ret) {
pr_debug("clockdomain: hardware cannot set/clear wake up of "
"%s when %s wakes up\n", clkdm1->name, clkdm2->name);
return PTR_ERR(cd);
return ret;
}
if (atomic_inc_return(&cd->wkdep_usecount) == 1) {
pr_debug("clockdomain: hardware will wake up %s when %s wakes "
"up\n", clkdm1->name, clkdm2->name);
omap2_prm_set_mod_reg_bits((1 << clkdm2->dep_bit),
clkdm1->pwrdm.ptr->prcm_offs, PM_WKDEP);
ret = arch_clkdm->clkdm_add_wkdep(clkdm1, clkdm2);
}
return 0;
return ret;
}
/**
@ -463,32 +439,32 @@ int clkdm_add_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2)
int clkdm_del_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2)
{
struct clkdm_dep *cd;
if (!cpu_is_omap24xx() && !cpu_is_omap34xx()) {
pr_err("clockdomain: %s/%s: %s: not yet implemented\n",
clkdm1->name, clkdm2->name, __func__);
return -EINVAL;
}
int ret = 0;
if (!clkdm1 || !clkdm2)
return -EINVAL;
cd = _clkdm_deps_lookup(clkdm2, clkdm1->wkdep_srcs);
if (IS_ERR(cd)) {
if (IS_ERR(cd))
ret = PTR_ERR(cd);
if (!arch_clkdm || !arch_clkdm->clkdm_del_wkdep)
ret = -EINVAL;
if (ret) {
pr_debug("clockdomain: hardware cannot set/clear wake up of "
"%s when %s wakes up\n", clkdm1->name, clkdm2->name);
return PTR_ERR(cd);
return ret;
}
if (atomic_dec_return(&cd->wkdep_usecount) == 0) {
pr_debug("clockdomain: hardware will no longer wake up %s "
"after %s wakes up\n", clkdm1->name, clkdm2->name);
omap2_prm_clear_mod_reg_bits((1 << clkdm2->dep_bit),
clkdm1->pwrdm.ptr->prcm_offs, PM_WKDEP);
ret = arch_clkdm->clkdm_del_wkdep(clkdm1, clkdm2);
}
return 0;
return ret;
}
/**
@ -508,26 +484,26 @@ int clkdm_del_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2)
int clkdm_read_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2)
{
struct clkdm_dep *cd;
int ret = 0;
if (!clkdm1 || !clkdm2)
return -EINVAL;
if (!cpu_is_omap24xx() && !cpu_is_omap34xx()) {
pr_err("clockdomain: %s/%s: %s: not yet implemented\n",
clkdm1->name, clkdm2->name, __func__);
return -EINVAL;
}
cd = _clkdm_deps_lookup(clkdm2, clkdm1->wkdep_srcs);
if (IS_ERR(cd)) {
if (IS_ERR(cd))
ret = PTR_ERR(cd);
if (!arch_clkdm || !arch_clkdm->clkdm_read_wkdep)
ret = -EINVAL;
if (ret) {
pr_debug("clockdomain: hardware cannot set/clear wake up of "
"%s when %s wakes up\n", clkdm1->name, clkdm2->name);
return PTR_ERR(cd);
return ret;
}
/* XXX It's faster to return the atomic wkdep_usecount */
return omap2_prm_read_mod_bits_shift(clkdm1->pwrdm.ptr->prcm_offs, PM_WKDEP,
(1 << clkdm2->dep_bit));
return arch_clkdm->clkdm_read_wkdep(clkdm1, clkdm2);
}
/**
@ -542,33 +518,13 @@ int clkdm_read_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2)
*/
int clkdm_clear_all_wkdeps(struct clockdomain *clkdm)
{
struct clkdm_dep *cd;
u32 mask = 0;
if (!cpu_is_omap24xx() && !cpu_is_omap34xx()) {
pr_err("clockdomain: %s: %s: not yet implemented\n",
clkdm->name, __func__);
return -EINVAL;
}
if (!clkdm)
return -EINVAL;
for (cd = clkdm->wkdep_srcs; cd && cd->clkdm_name; cd++) {
if (!omap_chip_is(cd->omap_chip))
continue;
if (!arch_clkdm || !arch_clkdm->clkdm_clear_all_wkdeps)
return -EINVAL;
if (!cd->clkdm && cd->clkdm_name)
cd->clkdm = _clkdm_lookup(cd->clkdm_name);
/* PRM accesses are slow, so minimize them */
mask |= 1 << cd->clkdm->dep_bit;
atomic_set(&cd->wkdep_usecount, 0);
}
omap2_prm_clear_mod_reg_bits(mask, clkdm->pwrdm.ptr->prcm_offs, PM_WKDEP);
return 0;
return arch_clkdm->clkdm_clear_all_wkdeps(clkdm);
}
/**
@ -586,31 +542,33 @@ int clkdm_clear_all_wkdeps(struct clockdomain *clkdm)
int clkdm_add_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2)
{
struct clkdm_dep *cd;
if (!cpu_is_omap34xx())
return -EINVAL;
int ret = 0;
if (!clkdm1 || !clkdm2)
return -EINVAL;
cd = _clkdm_deps_lookup(clkdm2, clkdm1->sleepdep_srcs);
if (IS_ERR(cd)) {
if (IS_ERR(cd))
ret = PTR_ERR(cd);
if (!arch_clkdm || !arch_clkdm->clkdm_add_sleepdep)
ret = -EINVAL;
if (ret) {
pr_debug("clockdomain: hardware cannot set/clear sleep "
"dependency affecting %s from %s\n", clkdm1->name,
clkdm2->name);
return PTR_ERR(cd);
return ret;
}
if (atomic_inc_return(&cd->sleepdep_usecount) == 1) {
pr_debug("clockdomain: will prevent %s from sleeping if %s "
"is active\n", clkdm1->name, clkdm2->name);
omap2_cm_set_mod_reg_bits((1 << clkdm2->dep_bit),
clkdm1->pwrdm.ptr->prcm_offs,
OMAP3430_CM_SLEEPDEP);
ret = arch_clkdm->clkdm_add_sleepdep(clkdm1, clkdm2);
}
return 0;
return ret;
}
/**
@ -628,19 +586,23 @@ int clkdm_add_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2)
int clkdm_del_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2)
{
struct clkdm_dep *cd;
if (!cpu_is_omap34xx())
return -EINVAL;
int ret = 0;
if (!clkdm1 || !clkdm2)
return -EINVAL;
cd = _clkdm_deps_lookup(clkdm2, clkdm1->sleepdep_srcs);
if (IS_ERR(cd)) {
if (IS_ERR(cd))
ret = PTR_ERR(cd);
if (!arch_clkdm || !arch_clkdm->clkdm_del_sleepdep)
ret = -EINVAL;
if (ret) {
pr_debug("clockdomain: hardware cannot set/clear sleep "
"dependency affecting %s from %s\n", clkdm1->name,
clkdm2->name);
return PTR_ERR(cd);
return ret;
}
if (atomic_dec_return(&cd->sleepdep_usecount) == 0) {
@ -648,12 +610,10 @@ int clkdm_del_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2)
"sleeping if %s is active\n", clkdm1->name,
clkdm2->name);
omap2_cm_clear_mod_reg_bits((1 << clkdm2->dep_bit),
clkdm1->pwrdm.ptr->prcm_offs,
OMAP3430_CM_SLEEPDEP);
ret = arch_clkdm->clkdm_del_sleepdep(clkdm1, clkdm2);
}
return 0;
return ret;
}
/**
@ -675,25 +635,27 @@ int clkdm_del_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2)
int clkdm_read_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2)
{
struct clkdm_dep *cd;
if (!cpu_is_omap34xx())
return -EINVAL;
int ret = 0;
if (!clkdm1 || !clkdm2)
return -EINVAL;
cd = _clkdm_deps_lookup(clkdm2, clkdm1->sleepdep_srcs);
if (IS_ERR(cd)) {
if (IS_ERR(cd))
ret = PTR_ERR(cd);
if (!arch_clkdm || !arch_clkdm->clkdm_read_sleepdep)
ret = -EINVAL;
if (ret) {
pr_debug("clockdomain: hardware cannot set/clear sleep "
"dependency affecting %s from %s\n", clkdm1->name,
clkdm2->name);
return PTR_ERR(cd);
return ret;
}
/* XXX It's faster to return the atomic sleepdep_usecount */
return omap2_prm_read_mod_bits_shift(clkdm1->pwrdm.ptr->prcm_offs,
OMAP3430_CM_SLEEPDEP,
(1 << clkdm2->dep_bit));
return arch_clkdm->clkdm_read_sleepdep(clkdm1, clkdm2);
}
/**
@ -708,35 +670,17 @@ int clkdm_read_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2)
*/
int clkdm_clear_all_sleepdeps(struct clockdomain *clkdm)
{
struct clkdm_dep *cd;
u32 mask = 0;
if (!cpu_is_omap34xx())
return -EINVAL;
if (!clkdm)
return -EINVAL;
for (cd = clkdm->sleepdep_srcs; cd && cd->clkdm_name; cd++) {
if (!omap_chip_is(cd->omap_chip))
continue;
if (!arch_clkdm || !arch_clkdm->clkdm_clear_all_sleepdeps)
return -EINVAL;
if (!cd->clkdm && cd->clkdm_name)
cd->clkdm = _clkdm_lookup(cd->clkdm_name);
/* PRM accesses are slow, so minimize them */
mask |= 1 << cd->clkdm->dep_bit;
atomic_set(&cd->sleepdep_usecount, 0);
}
omap2_prm_clear_mod_reg_bits(mask, clkdm->pwrdm.ptr->prcm_offs,
OMAP3430_CM_SLEEPDEP);
return 0;
return arch_clkdm->clkdm_clear_all_sleepdeps(clkdm);
}
/**
* omap2_clkdm_sleep - force clockdomain sleep transition
* clkdm_sleep - force clockdomain sleep transition
* @clkdm: struct clockdomain *
*
* Instruct the CM to force a sleep transition on the specified
@ -744,7 +688,7 @@ int clkdm_clear_all_sleepdeps(struct clockdomain *clkdm)
* clockdomain does not support software-initiated sleep; 0 upon
* success.
*/
int omap2_clkdm_sleep(struct clockdomain *clkdm)
int clkdm_sleep(struct clockdomain *clkdm)
{
if (!clkdm)
return -EINVAL;
@ -755,33 +699,16 @@ int omap2_clkdm_sleep(struct clockdomain *clkdm)
return -EINVAL;
}
if (!arch_clkdm || !arch_clkdm->clkdm_sleep)
return -EINVAL;
pr_debug("clockdomain: forcing sleep on %s\n", clkdm->name);
if (cpu_is_omap24xx()) {
omap2_cm_set_mod_reg_bits(OMAP24XX_FORCESTATE_MASK,
clkdm->pwrdm.ptr->prcm_offs, OMAP2_PM_PWSTCTRL);
} else if (cpu_is_omap34xx()) {
omap3xxx_cm_clkdm_force_sleep(clkdm->pwrdm.ptr->prcm_offs,
clkdm->clktrctrl_mask);
} else if (cpu_is_omap44xx()) {
omap4_cminst_clkdm_force_sleep(clkdm->prcm_partition,
clkdm->cm_inst,
clkdm->clkdm_offs);
} else {
BUG();
};
return 0;
return arch_clkdm->clkdm_sleep(clkdm);
}
/**
* omap2_clkdm_wakeup - force clockdomain wakeup transition
* clkdm_wakeup - force clockdomain wakeup transition
* @clkdm: struct clockdomain *
*
* Instruct the CM to force a wakeup transition on the specified
@ -789,7 +716,7 @@ int omap2_clkdm_sleep(struct clockdomain *clkdm)
* clockdomain does not support software-controlled wakeup; 0 upon
* success.
*/
int omap2_clkdm_wakeup(struct clockdomain *clkdm)
int clkdm_wakeup(struct clockdomain *clkdm)
{
if (!clkdm)
return -EINVAL;
@ -800,33 +727,16 @@ int omap2_clkdm_wakeup(struct clockdomain *clkdm)
return -EINVAL;
}
if (!arch_clkdm || !arch_clkdm->clkdm_wakeup)
return -EINVAL;
pr_debug("clockdomain: forcing wakeup on %s\n", clkdm->name);
if (cpu_is_omap24xx()) {
omap2_cm_clear_mod_reg_bits(OMAP24XX_FORCESTATE_MASK,
clkdm->pwrdm.ptr->prcm_offs, OMAP2_PM_PWSTCTRL);
} else if (cpu_is_omap34xx()) {
omap3xxx_cm_clkdm_force_wakeup(clkdm->pwrdm.ptr->prcm_offs,
clkdm->clktrctrl_mask);
} else if (cpu_is_omap44xx()) {
omap4_cminst_clkdm_force_wakeup(clkdm->prcm_partition,
clkdm->cm_inst,
clkdm->clkdm_offs);
} else {
BUG();
};
return 0;
return arch_clkdm->clkdm_wakeup(clkdm);
}
/**
* omap2_clkdm_allow_idle - enable hwsup idle transitions for clkdm
* clkdm_allow_idle - enable hwsup idle transitions for clkdm
* @clkdm: struct clockdomain *
*
* Allow the hardware to automatically switch the clockdomain @clkdm into
@ -835,7 +745,7 @@ int omap2_clkdm_wakeup(struct clockdomain *clkdm)
* framework, wkdep/sleepdep autodependencies are added; this is so
* device drivers can read and write to the device. No return value.
*/
void omap2_clkdm_allow_idle(struct clockdomain *clkdm)
void clkdm_allow_idle(struct clockdomain *clkdm)
{
if (!clkdm)
return;
@ -846,27 +756,18 @@ void omap2_clkdm_allow_idle(struct clockdomain *clkdm)
return;
}
if (!arch_clkdm || !arch_clkdm->clkdm_allow_idle)
return;
pr_debug("clockdomain: enabling automatic idle transitions for %s\n",
clkdm->name);
/*
* XXX This should be removed once TI adds wakeup/sleep
* dependency code and data for OMAP4.
*/
if (cpu_is_omap44xx()) {
pr_err("clockdomain: %s: OMAP4 wakeup/sleep dependency support: not yet implemented\n", clkdm->name);
} else {
if (atomic_read(&clkdm->usecount) > 0)
_clkdm_add_autodeps(clkdm);
}
_enable_hwsup(clkdm);
arch_clkdm->clkdm_allow_idle(clkdm);
pwrdm_clkdm_state_switch(clkdm);
}
/**
* omap2_clkdm_deny_idle - disable hwsup idle transitions for clkdm
* clkdm_deny_idle - disable hwsup idle transitions for clkdm
* @clkdm: struct clockdomain *
*
* Prevent the hardware from automatically switching the clockdomain
@ -874,7 +775,7 @@ void omap2_clkdm_allow_idle(struct clockdomain *clkdm)
* downstream clocks enabled in the clock framework, wkdep/sleepdep
* autodependencies are removed. No return value.
*/
void omap2_clkdm_deny_idle(struct clockdomain *clkdm)
void clkdm_deny_idle(struct clockdomain *clkdm)
{
if (!clkdm)
return;
@ -885,28 +786,20 @@ void omap2_clkdm_deny_idle(struct clockdomain *clkdm)
return;
}
if (!arch_clkdm || !arch_clkdm->clkdm_deny_idle)
return;
pr_debug("clockdomain: disabling automatic idle transitions for %s\n",
clkdm->name);
_disable_hwsup(clkdm);
/*
* XXX This should be removed once TI adds wakeup/sleep
* dependency code and data for OMAP4.
*/
if (cpu_is_omap44xx()) {
pr_err("clockdomain: %s: OMAP4 wakeup/sleep dependency support: not yet implemented\n", clkdm->name);
} else {
if (atomic_read(&clkdm->usecount) > 0)
_clkdm_del_autodeps(clkdm);
}
arch_clkdm->clkdm_deny_idle(clkdm);
}
/* Clockdomain-to-clock framework interface code */
/**
* omap2_clkdm_clk_enable - add an enabled downstream clock to this clkdm
* clkdm_clk_enable - add an enabled downstream clock to this clkdm
* @clkdm: struct clockdomain *
* @clk: struct clk * of the enabled downstream clock
*
@ -919,10 +812,8 @@ void omap2_clkdm_deny_idle(struct clockdomain *clkdm)
* by on-chip processors. Returns -EINVAL if passed null pointers;
* returns 0 upon success or if the clockdomain is in hwsup idle mode.
*/
int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk)
int clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk)
{
bool hwsup = false;
/*
* XXX Rewrite this code to maintain a list of enabled
* downstream clocks for debugging purposes?
@ -931,6 +822,9 @@ int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk)
if (!clkdm || !clk)
return -EINVAL;
if (!arch_clkdm || !arch_clkdm->clkdm_clk_enable)
return -EINVAL;
if (atomic_inc_return(&clkdm->usecount) > 1)
return 0;
@ -939,31 +833,7 @@ int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk)
pr_debug("clockdomain: clkdm %s: clk %s now enabled\n", clkdm->name,
clk->name);
if (cpu_is_omap24xx() || cpu_is_omap34xx()) {
if (!clkdm->clktrctrl_mask)
return 0;
hwsup = omap2_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
clkdm->clktrctrl_mask);
} else if (cpu_is_omap44xx()) {
hwsup = omap4_cminst_is_clkdm_in_hwsup(clkdm->prcm_partition,
clkdm->cm_inst,
clkdm->clkdm_offs);
}
if (hwsup) {
/* Disable HW transitions when we are changing deps */
_disable_hwsup(clkdm);
_clkdm_add_autodeps(clkdm);
_enable_hwsup(clkdm);
} else {
omap2_clkdm_wakeup(clkdm);
}
arch_clkdm->clkdm_clk_enable(clkdm);
pwrdm_wait_transition(clkdm->pwrdm.ptr);
pwrdm_clkdm_state_switch(clkdm);
@ -971,7 +841,7 @@ int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk)
}
/**
* omap2_clkdm_clk_disable - remove an enabled downstream clock from this clkdm
* clkdm_clk_disable - remove an enabled downstream clock from this clkdm
* @clkdm: struct clockdomain *
* @clk: struct clk * of the disabled downstream clock
*
@ -984,10 +854,8 @@ int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk)
* is enabled; or returns 0 upon success or if the clockdomain is in
* hwsup idle mode.
*/
int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk)
int clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk)
{
bool hwsup = false;
/*
* XXX Rewrite this code to maintain a list of enabled
* downstream clocks for debugging purposes?
@ -996,6 +864,9 @@ int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk)
if (!clkdm || !clk)
return -EINVAL;
if (!arch_clkdm || !arch_clkdm->clkdm_clk_disable)
return -EINVAL;
#ifdef DEBUG
if (atomic_read(&clkdm->usecount) == 0) {
WARN_ON(1); /* underflow */
@ -1011,31 +882,7 @@ int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk)
pr_debug("clockdomain: clkdm %s: clk %s now disabled\n", clkdm->name,
clk->name);
if (cpu_is_omap24xx() || cpu_is_omap34xx()) {
if (!clkdm->clktrctrl_mask)
return 0;
hwsup = omap2_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
clkdm->clktrctrl_mask);
} else if (cpu_is_omap44xx()) {
hwsup = omap4_cminst_is_clkdm_in_hwsup(clkdm->prcm_partition,
clkdm->cm_inst,
clkdm->clkdm_offs);
}
if (hwsup) {
/* Disable HW transitions when we are changing deps */
_disable_hwsup(clkdm);
_clkdm_del_autodeps(clkdm);
_enable_hwsup(clkdm);
} else {
omap2_clkdm_sleep(clkdm);
}
arch_clkdm->clkdm_clk_disable(clkdm);
pwrdm_clkdm_state_switch(clkdm);
return 0;

70
arch/arm/mach-omap2/clockdomain.h
View File

@ -4,7 +4,7 @@
* OMAP2/3 clockdomain framework functions
*
* Copyright (C) 2008 Texas Instruments, Inc.
* Copyright (C) 2008-2010 Nokia Corporation
* Copyright (C) 2008-2011 Nokia Corporation
*
* Paul Walmsley
*
@ -22,11 +22,19 @@
#include <plat/clock.h>
#include <plat/cpu.h>
/* Clockdomain capability flags */
/*
* Clockdomain flags
*
* XXX Document CLKDM_CAN_* flags
*
* CLKDM_NO_AUTODEPS: Prevent "autodeps" from being added/removed from this
* clockdomain. (Currently, this applies to OMAP3 clockdomains only.)
*/
#define CLKDM_CAN_FORCE_SLEEP (1 << 0)
#define CLKDM_CAN_FORCE_WAKEUP (1 << 1)
#define CLKDM_CAN_ENABLE_AUTO (1 << 2)
#define CLKDM_CAN_DISABLE_AUTO (1 << 3)
#define CLKDM_NO_AUTODEPS (1 << 4)
#define CLKDM_CAN_HWSUP (CLKDM_CAN_ENABLE_AUTO | CLKDM_CAN_DISABLE_AUTO)
#define CLKDM_CAN_SWSUP (CLKDM_CAN_FORCE_SLEEP | CLKDM_CAN_FORCE_WAKEUP)
@ -116,7 +124,42 @@ struct clockdomain {
struct list_head node;
};
void clkdm_init(struct clockdomain **clkdms, struct clkdm_autodep *autodeps);
/**
* struct clkdm_ops - Arch specfic function implementations
* @clkdm_add_wkdep: Add a wakeup dependency between clk domains
* @clkdm_del_wkdep: Delete a wakeup dependency between clk domains
* @clkdm_read_wkdep: Read wakeup dependency state between clk domains
* @clkdm_clear_all_wkdeps: Remove all wakeup dependencies from the clk domain
* @clkdm_add_sleepdep: Add a sleep dependency between clk domains
* @clkdm_del_sleepdep: Delete a sleep dependency between clk domains
* @clkdm_read_sleepdep: Read sleep dependency state between clk domains
* @clkdm_clear_all_sleepdeps: Remove all sleep dependencies from the clk domain
* @clkdm_sleep: Force a clockdomain to sleep
* @clkdm_wakeup: Force a clockdomain to wakeup
* @clkdm_allow_idle: Enable hw supervised idle transitions for clock domain
* @clkdm_deny_idle: Disable hw supervised idle transitions for clock domain
* @clkdm_clk_enable: Put the clkdm in right state for a clock enable
* @clkdm_clk_disable: Put the clkdm in right state for a clock disable
*/
struct clkdm_ops {
int (*clkdm_add_wkdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
int (*clkdm_del_wkdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
int (*clkdm_read_wkdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
int (*clkdm_clear_all_wkdeps)(struct clockdomain *clkdm);
int (*clkdm_add_sleepdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
int (*clkdm_del_sleepdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
int (*clkdm_read_sleepdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
int (*clkdm_clear_all_sleepdeps)(struct clockdomain *clkdm);
int (*clkdm_sleep)(struct clockdomain *clkdm);
int (*clkdm_wakeup)(struct clockdomain *clkdm);
void (*clkdm_allow_idle)(struct clockdomain *clkdm);
void (*clkdm_deny_idle)(struct clockdomain *clkdm);
int (*clkdm_clk_enable)(struct clockdomain *clkdm);
int (*clkdm_clk_disable)(struct clockdomain *clkdm);
};
void clkdm_init(struct clockdomain **clkdms, struct clkdm_autodep *autodeps,
struct clkdm_ops *custom_funcs);
struct clockdomain *clkdm_lookup(const char *name);
int clkdm_for_each(int (*fn)(struct clockdomain *clkdm, void *user),
@ -132,16 +175,23 @@ int clkdm_del_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
int clkdm_read_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
int clkdm_clear_all_sleepdeps(struct clockdomain *clkdm);
void omap2_clkdm_allow_idle(struct clockdomain *clkdm);
void omap2_clkdm_deny_idle(struct clockdomain *clkdm);
void clkdm_allow_idle(struct clockdomain *clkdm);
void clkdm_deny_idle(struct clockdomain *clkdm);
int omap2_clkdm_wakeup(struct clockdomain *clkdm);
int omap2_clkdm_sleep(struct clockdomain *clkdm);
int clkdm_wakeup(struct clockdomain *clkdm);
int clkdm_sleep(struct clockdomain *clkdm);
int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk);
int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk);
int clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk);
int clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk);
extern void __init omap2_clockdomains_init(void);
extern void __init omap2xxx_clockdomains_init(void);
extern void __init omap3xxx_clockdomains_init(void);
extern void __init omap44xx_clockdomains_init(void);
extern void _clkdm_add_autodeps(struct clockdomain *clkdm);
extern void _clkdm_del_autodeps(struct clockdomain *clkdm);
extern struct clkdm_ops omap2_clkdm_operations;
extern struct clkdm_ops omap3_clkdm_operations;
extern struct clkdm_ops omap4_clkdm_operations;
#endif

274
arch/arm/mach-omap2/clockdomain2xxx_3xxx.c Normal file
View File

@ -0,0 +1,274 @@
/*
* OMAP2 and OMAP3 clockdomain control
*
* Copyright (C) 2008-2010 Texas Instruments, Inc.
* Copyright (C) 2008-2010 Nokia Corporation
*
* Derived from mach-omap2/clockdomain.c written by Paul Walmsley
* Rajendra Nayak <rnayak@ti.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/types.h>
#include <plat/prcm.h>
#include "prm.h"
#include "prm2xxx_3xxx.h"
#include "cm.h"
#include "cm2xxx_3xxx.h"
#include "cm-regbits-24xx.h"
#include "cm-regbits-34xx.h"
#include "prm-regbits-24xx.h"
#include "clockdomain.h"
static int omap2_clkdm_add_wkdep(struct clockdomain *clkdm1,
struct clockdomain *clkdm2)
{
omap2_prm_set_mod_reg_bits((1 << clkdm2->dep_bit),
clkdm1->pwrdm.ptr->prcm_offs, PM_WKDEP);
return 0;
}
static int omap2_clkdm_del_wkdep(struct clockdomain *clkdm1,
struct clockdomain *clkdm2)
{
omap2_prm_clear_mod_reg_bits((1 << clkdm2->dep_bit),
clkdm1->pwrdm.ptr->prcm_offs, PM_WKDEP);
return 0;
}
static int omap2_clkdm_read_wkdep(struct clockdomain *clkdm1,
struct clockdomain *clkdm2)
{
return omap2_prm_read_mod_bits_shift(clkdm1->pwrdm.ptr->prcm_offs,
PM_WKDEP, (1 << clkdm2->dep_bit));
}
static int omap2_clkdm_clear_all_wkdeps(struct clockdomain *clkdm)
{
struct clkdm_dep *cd;
u32 mask = 0;
for (cd = clkdm->wkdep_srcs; cd && cd->clkdm_name; cd++) {
if (!omap_chip_is(cd->omap_chip))
continue;
if (!cd->clkdm)
continue; /* only happens if data is erroneous */
/* PRM accesses are slow, so minimize them */
mask |= 1 << cd->clkdm->dep_bit;
atomic_set(&cd->wkdep_usecount, 0);
}
omap2_prm_clear_mod_reg_bits(mask, clkdm->pwrdm.ptr->prcm_offs,
PM_WKDEP);
return 0;
}
static int omap3_clkdm_add_sleepdep(struct clockdomain *clkdm1,
struct clockdomain *clkdm2)
{
omap2_cm_set_mod_reg_bits((1 << clkdm2->dep_bit),
clkdm1->pwrdm.ptr->prcm_offs,
OMAP3430_CM_SLEEPDEP);
return 0;
}
static int omap3_clkdm_del_sleepdep(struct clockdomain *clkdm1,
struct clockdomain *clkdm2)
{
omap2_cm_clear_mod_reg_bits((1 << clkdm2->dep_bit),
clkdm1->pwrdm.ptr->prcm_offs,
OMAP3430_CM_SLEEPDEP);
return 0;
}
static int omap3_clkdm_read_sleepdep(struct clockdomain *clkdm1,
struct clockdomain *clkdm2)
{
return omap2_prm_read_mod_bits_shift(clkdm1->pwrdm.ptr->prcm_offs,
OMAP3430_CM_SLEEPDEP, (1 << clkdm2->dep_bit));
}
static int omap3_clkdm_clear_all_sleepdeps(struct clockdomain *clkdm)
{
struct clkdm_dep *cd;
u32 mask = 0;
for (cd = clkdm->sleepdep_srcs; cd && cd->clkdm_name; cd++) {
if (!omap_chip_is(cd->omap_chip))
continue;
if (!cd->clkdm)
continue; /* only happens if data is erroneous */
/* PRM accesses are slow, so minimize them */
mask |= 1 << cd->clkdm->dep_bit;
atomic_set(&cd->sleepdep_usecount, 0);
}
omap2_prm_clear_mod_reg_bits(mask, clkdm->pwrdm.ptr->prcm_offs,
OMAP3430_CM_SLEEPDEP);
return 0;
}
static int omap2_clkdm_sleep(struct clockdomain *clkdm)
{
omap2_cm_set_mod_reg_bits(OMAP24XX_FORCESTATE_MASK,
clkdm->pwrdm.ptr->prcm_offs,
OMAP2_PM_PWSTCTRL);
return 0;
}
static int omap2_clkdm_wakeup(struct clockdomain *clkdm)
{
omap2_cm_clear_mod_reg_bits(OMAP24XX_FORCESTATE_MASK,
clkdm->pwrdm.ptr->prcm_offs,
OMAP2_PM_PWSTCTRL);
return 0;
}
static void omap2_clkdm_allow_idle(struct clockdomain *clkdm)
{
if (atomic_read(&clkdm->usecount) > 0)
_clkdm_add_autodeps(clkdm);
omap2xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
clkdm->clktrctrl_mask);
}
static void omap2_clkdm_deny_idle(struct clockdomain *clkdm)
{
omap2xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
clkdm->clktrctrl_mask);
if (atomic_read(&clkdm->usecount) > 0)
_clkdm_del_autodeps(clkdm);
}
static void _enable_hwsup(struct clockdomain *clkdm)
{
if (cpu_is_omap24xx())
omap2xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
clkdm->clktrctrl_mask);
else if (cpu_is_omap34xx())
omap3xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
clkdm->clktrctrl_mask);
}
static void _disable_hwsup(struct clockdomain *clkdm)
{
if (cpu_is_omap24xx())
omap2xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
clkdm->clktrctrl_mask);
else if (cpu_is_omap34xx())
omap3xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
clkdm->clktrctrl_mask);
}
static int omap2_clkdm_clk_enable(struct clockdomain *clkdm)
{
bool hwsup = false;
if (!clkdm->clktrctrl_mask)
return 0;
hwsup = omap2_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
clkdm->clktrctrl_mask);
if (hwsup) {
/* Disable HW transitions when we are changing deps */
_disable_hwsup(clkdm);
_clkdm_add_autodeps(clkdm);
_enable_hwsup(clkdm);
} else {
clkdm_wakeup(clkdm);
}
return 0;
}
static int omap2_clkdm_clk_disable(struct clockdomain *clkdm)
{
bool hwsup = false;
if (!clkdm->clktrctrl_mask)
return 0;
hwsup = omap2_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
clkdm->clktrctrl_mask);
if (hwsup) {
/* Disable HW transitions when we are changing deps */
_disable_hwsup(clkdm);
_clkdm_del_autodeps(clkdm);
_enable_hwsup(clkdm);
} else {
clkdm_sleep(clkdm);
}
return 0;
}
static int omap3_clkdm_sleep(struct clockdomain *clkdm)
{
omap3xxx_cm_clkdm_force_sleep(clkdm->pwrdm.ptr->prcm_offs,
clkdm->clktrctrl_mask);
return 0;
}
static int omap3_clkdm_wakeup(struct clockdomain *clkdm)
{
omap3xxx_cm_clkdm_force_wakeup(clkdm->pwrdm.ptr->prcm_offs,
clkdm->clktrctrl_mask);
return 0;
}
static void omap3_clkdm_allow_idle(struct clockdomain *clkdm)
{
if (atomic_read(&clkdm->usecount) > 0)
_clkdm_add_autodeps(clkdm);
omap3xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
clkdm->clktrctrl_mask);
}
static void omap3_clkdm_deny_idle(struct clockdomain *clkdm)
{
omap3xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs,
clkdm->clktrctrl_mask);
if (atomic_read(&clkdm->usecount) > 0)
_clkdm_del_autodeps(clkdm);
}
struct clkdm_ops omap2_clkdm_operations = {
.clkdm_add_wkdep = omap2_clkdm_add_wkdep,
.clkdm_del_wkdep = omap2_clkdm_del_wkdep,
.clkdm_read_wkdep = omap2_clkdm_read_wkdep,
.clkdm_clear_all_wkdeps = omap2_clkdm_clear_all_wkdeps,
.clkdm_sleep = omap2_clkdm_sleep,
.clkdm_wakeup = omap2_clkdm_wakeup,
.clkdm_allow_idle = omap2_clkdm_allow_idle,
.clkdm_deny_idle = omap2_clkdm_deny_idle,
.clkdm_clk_enable = omap2_clkdm_clk_enable,
.clkdm_clk_disable = omap2_clkdm_clk_disable,
};
struct clkdm_ops omap3_clkdm_operations = {
.clkdm_add_wkdep = omap2_clkdm_add_wkdep,
.clkdm_del_wkdep = omap2_clkdm_del_wkdep,
.clkdm_read_wkdep = omap2_clkdm_read_wkdep,
.clkdm_clear_all_wkdeps = omap2_clkdm_clear_all_wkdeps,
.clkdm_add_sleepdep = omap3_clkdm_add_sleepdep,
.clkdm_del_sleepdep = omap3_clkdm_del_sleepdep,
.clkdm_read_sleepdep = omap3_clkdm_read_sleepdep,
.clkdm_clear_all_sleepdeps = omap3_clkdm_clear_all_sleepdeps,
.clkdm_sleep = omap3_clkdm_sleep,
.clkdm_wakeup = omap3_clkdm_wakeup,
.clkdm_allow_idle = omap3_clkdm_allow_idle,
.clkdm_deny_idle = omap3_clkdm_deny_idle,
.clkdm_clk_enable = omap2_clkdm_clk_enable,
.clkdm_clk_disable = omap2_clkdm_clk_disable,
};

137
arch/arm/mach-omap2/clockdomain44xx.c Normal file
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@ -0,0 +1,137 @@
/*
* OMAP4 clockdomain control
*
* Copyright (C) 2008-2010 Texas Instruments, Inc.
* Copyright (C) 2008-2010 Nokia Corporation
*
* Derived from mach-omap2/clockdomain.c written by Paul Walmsley
* Rajendra Nayak <rnayak@ti.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include "clockdomain.h"
#include "cminst44xx.h"
#include "cm44xx.h"
static int omap4_clkdm_add_wkup_sleep_dep(struct clockdomain *clkdm1,
struct clockdomain *clkdm2)
{
omap4_cminst_set_inst_reg_bits((1 << clkdm2->dep_bit),
clkdm1->prcm_partition,
clkdm1->cm_inst, clkdm1->clkdm_offs +
OMAP4_CM_STATICDEP);
return 0;
}
static int omap4_clkdm_del_wkup_sleep_dep(struct clockdomain *clkdm1,
struct clockdomain *clkdm2)
{
omap4_cminst_clear_inst_reg_bits((1 << clkdm2->dep_bit),
clkdm1->prcm_partition,
clkdm1->cm_inst, clkdm1->clkdm_offs +
OMAP4_CM_STATICDEP);
return 0;
}
static int omap4_clkdm_read_wkup_sleep_dep(struct clockdomain *clkdm1,
struct clockdomain *clkdm2)
{
return omap4_cminst_read_inst_reg_bits(clkdm1->prcm_partition,
clkdm1->cm_inst, clkdm1->clkdm_offs +
OMAP4_CM_STATICDEP,
(1 << clkdm2->dep_bit));
}
static int omap4_clkdm_clear_all_wkup_sleep_deps(struct clockdomain *clkdm)
{
struct clkdm_dep *cd;
u32 mask = 0;
for (cd = clkdm->wkdep_srcs; cd && cd->clkdm_name; cd++) {
if (!omap_chip_is(cd->omap_chip))
continue;
if (!cd->clkdm)
continue; /* only happens if data is erroneous */
mask |= 1 << cd->clkdm->dep_bit;
atomic_set(&cd->wkdep_usecount, 0);
}
omap4_cminst_clear_inst_reg_bits(mask, clkdm->prcm_partition,
clkdm->cm_inst, clkdm->clkdm_offs +
OMAP4_CM_STATICDEP);
return 0;
}
static int omap4_clkdm_sleep(struct clockdomain *clkdm)
{
omap4_cminst_clkdm_force_sleep(clkdm->prcm_partition,
clkdm->cm_inst, clkdm->clkdm_offs);
return 0;
}
static int omap4_clkdm_wakeup(struct clockdomain *clkdm)
{
omap4_cminst_clkdm_force_wakeup(clkdm->prcm_partition,
clkdm->cm_inst, clkdm->clkdm_offs);
return 0;
}
static void omap4_clkdm_allow_idle(struct clockdomain *clkdm)
{
omap4_cminst_clkdm_enable_hwsup(clkdm->prcm_partition,
clkdm->cm_inst, clkdm->clkdm_offs);
}
static void omap4_clkdm_deny_idle(struct clockdomain *clkdm)
{
omap4_cminst_clkdm_disable_hwsup(clkdm->prcm_partition,
clkdm->cm_inst, clkdm->clkdm_offs);
}
static int omap4_clkdm_clk_enable(struct clockdomain *clkdm)
{
bool hwsup = false;
hwsup = omap4_cminst_is_clkdm_in_hwsup(clkdm->prcm_partition,
clkdm->cm_inst, clkdm->clkdm_offs);
if (!hwsup)
clkdm_wakeup(clkdm);
return 0;
}
static int omap4_clkdm_clk_disable(struct clockdomain *clkdm)
{
bool hwsup = false;
hwsup = omap4_cminst_is_clkdm_in_hwsup(clkdm->prcm_partition,
clkdm->cm_inst, clkdm->clkdm_offs);
if (!hwsup)
clkdm_sleep(clkdm);
return 0;
}
struct clkdm_ops omap4_clkdm_operations = {
.clkdm_add_wkdep = omap4_clkdm_add_wkup_sleep_dep,
.clkdm_del_wkdep = omap4_clkdm_del_wkup_sleep_dep,
.clkdm_read_wkdep = omap4_clkdm_read_wkup_sleep_dep,
.clkdm_clear_all_wkdeps = omap4_clkdm_clear_all_wkup_sleep_deps,
.clkdm_add_sleepdep = omap4_clkdm_add_wkup_sleep_dep,
.clkdm_del_sleepdep = omap4_clkdm_del_wkup_sleep_dep,
.clkdm_read_sleepdep = omap4_clkdm_read_wkup_sleep_dep,
.clkdm_clear_all_sleepdeps = omap4_clkdm_clear_all_wkup_sleep_deps,
.clkdm_sleep = omap4_clkdm_sleep,
.clkdm_wakeup = omap4_clkdm_wakeup,
.clkdm_allow_idle = omap4_clkdm_allow_idle,
.clkdm_deny_idle = omap4_clkdm_deny_idle,
.clkdm_clk_enable = omap4_clkdm_clk_enable,
.clkdm_clk_disable = omap4_clkdm_clk_disable,
};

12
arch/arm/mach-omap2/clockdomains2xxx_3xxx_data.c
View File

@ -89,6 +89,8 @@ static struct clkdm_dep gfx_sgx_wkdeps[] = {
/* 24XX-specific possible dependencies */
#ifdef CONFIG_ARCH_OMAP2
/* Wakeup dependency source arrays */
/* 2420/2430 PM_WKDEP_DSP: CORE, MPU, WKUP */
@ -168,6 +170,7 @@ static struct clkdm_dep core_24xx_wkdeps[] = {
{ NULL },
};
#endif /* CONFIG_ARCH_OMAP2 */
/* 2430-specific possible wakeup dependencies */
@ -854,7 +857,12 @@ static struct clockdomain *clockdomains_omap2[] __initdata = {
NULL,
};
void __init omap2_clockdomains_init(void)
void __init omap2xxx_clockdomains_init(void)
{
clkdm_init(clockdomains_omap2, clkdm_autodeps);
clkdm_init(clockdomains_omap2, clkdm_autodeps, &omap2_clkdm_operations);
}
void __init omap3xxx_clockdomains_init(void)
{
clkdm_init(clockdomains_omap2, clkdm_autodeps, &omap3_clkdm_operations);
}

396
arch/arm/mach-omap2/clockdomains44xx_data.c
View File

@ -18,11 +18,6 @@
* published by the Free Software Foundation.
*/
/*
* To-Do List
* -> Populate the Sleep/Wakeup dependencies for the domains
*/
#include <linux/kernel.h>
#include <linux/io.h>
@ -35,6 +30,355 @@
#include "prcm44xx.h"
#include "prcm_mpu44xx.h"
/* Static Dependencies for OMAP4 Clock Domains */
static struct clkdm_dep ducati_wkup_sleep_deps[] = {
{
.clkdm_name = "abe_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "ivahd_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_1_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_2_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_dss_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_emif_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_gfx_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_init_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l4_cfg_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l4_per_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l4_secure_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l4_wkup_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "tesla_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{ NULL },
};
static struct clkdm_dep iss_wkup_sleep_deps[] = {
{
.clkdm_name = "ivahd_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_1_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_emif_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{ NULL },
};
static struct clkdm_dep ivahd_wkup_sleep_deps[] = {
{
.clkdm_name = "l3_1_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_emif_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{ NULL },
};
static struct clkdm_dep l3_d2d_wkup_sleep_deps[] = {
{
.clkdm_name = "abe_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "ivahd_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_1_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_2_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_emif_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_init_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l4_cfg_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l4_per_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{ NULL },
};
static struct clkdm_dep l3_dma_wkup_sleep_deps[] = {
{
.clkdm_name = "abe_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "ducati_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "ivahd_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_1_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_dss_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_emif_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_init_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l4_cfg_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l4_per_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l4_secure_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l4_wkup_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{ NULL },
};
static struct clkdm_dep l3_dss_wkup_sleep_deps[] = {
{
.clkdm_name = "ivahd_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_2_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_emif_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{ NULL },
};
static struct clkdm_dep l3_gfx_wkup_sleep_deps[] = {
{
.clkdm_name = "ivahd_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_1_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_emif_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{ NULL },
};
static struct clkdm_dep l3_init_wkup_sleep_deps[] = {
{
.clkdm_name = "abe_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "ivahd_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_emif_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l4_cfg_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l4_per_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l4_secure_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l4_wkup_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{ NULL },
};
static struct clkdm_dep l4_secure_wkup_sleep_deps[] = {
{
.clkdm_name = "l3_1_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_emif_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l4_per_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{ NULL },
};
static struct clkdm_dep mpuss_wkup_sleep_deps[] = {
{
.clkdm_name = "abe_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "ducati_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "ivahd_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_1_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_2_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_dss_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_emif_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_gfx_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_init_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l4_cfg_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l4_per_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l4_secure_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l4_wkup_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "tesla_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{ NULL },
};
static struct clkdm_dep tesla_wkup_sleep_deps[] = {
{
.clkdm_name = "abe_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "ivahd_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_1_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_2_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_emif_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l3_init_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l4_cfg_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l4_per_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{
.clkdm_name = "l4_wkup_clkdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430)
},
{ NULL },
};
static struct clockdomain l4_cefuse_44xx_clkdm = {
.name = "l4_cefuse_clkdm",
@ -52,6 +396,7 @@ static struct clockdomain l4_cfg_44xx_clkdm = {
.prcm_partition = OMAP4430_CM2_PARTITION,
.cm_inst = OMAP4430_CM2_CORE_INST,
.clkdm_offs = OMAP4430_CM2_CORE_L4CFG_CDOFFS,
.dep_bit = OMAP4430_L4CFG_STATDEP_SHIFT,
.flags = CLKDM_CAN_HWSUP,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
};
@ -62,6 +407,9 @@ static struct clockdomain tesla_44xx_clkdm = {
.prcm_partition = OMAP4430_CM1_PARTITION,
.cm_inst = OMAP4430_CM1_TESLA_INST,
.clkdm_offs = OMAP4430_CM1_TESLA_TESLA_CDOFFS,
.dep_bit = OMAP4430_TESLA_STATDEP_SHIFT,
.wkdep_srcs = tesla_wkup_sleep_deps,
.sleepdep_srcs = tesla_wkup_sleep_deps,
.flags = CLKDM_CAN_HWSUP_SWSUP,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
};
@ -72,6 +420,9 @@ static struct clockdomain l3_gfx_44xx_clkdm = {
.prcm_partition = OMAP4430_CM2_PARTITION,
.cm_inst = OMAP4430_CM2_GFX_INST,
.clkdm_offs = OMAP4430_CM2_GFX_GFX_CDOFFS,
.dep_bit = OMAP4430_GFX_STATDEP_SHIFT,
.wkdep_srcs = l3_gfx_wkup_sleep_deps,
.sleepdep_srcs = l3_gfx_wkup_sleep_deps,
.flags = CLKDM_CAN_HWSUP_SWSUP,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
};
@ -82,6 +433,9 @@ static struct clockdomain ivahd_44xx_clkdm = {
.prcm_partition = OMAP4430_CM2_PARTITION,
.cm_inst = OMAP4430_CM2_IVAHD_INST,
.clkdm_offs = OMAP4430_CM2_IVAHD_IVAHD_CDOFFS,
.dep_bit = OMAP4430_IVAHD_STATDEP_SHIFT,
.wkdep_srcs = ivahd_wkup_sleep_deps,
.sleepdep_srcs = ivahd_wkup_sleep_deps,
.flags = CLKDM_CAN_HWSUP_SWSUP,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
};
@ -92,6 +446,9 @@ static struct clockdomain l4_secure_44xx_clkdm = {
.prcm_partition = OMAP4430_CM2_PARTITION,
.cm_inst = OMAP4430_CM2_L4PER_INST,
.clkdm_offs = OMAP4430_CM2_L4PER_L4SEC_CDOFFS,
.dep_bit = OMAP4430_L4SEC_STATDEP_SHIFT,
.wkdep_srcs = l4_secure_wkup_sleep_deps,
.sleepdep_srcs = l4_secure_wkup_sleep_deps,
.flags = CLKDM_CAN_HWSUP_SWSUP,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
};
@ -102,6 +459,7 @@ static struct clockdomain l4_per_44xx_clkdm = {
.prcm_partition = OMAP4430_CM2_PARTITION,
.cm_inst = OMAP4430_CM2_L4PER_INST,
.clkdm_offs = OMAP4430_CM2_L4PER_L4PER_CDOFFS,
.dep_bit = OMAP4430_L4PER_STATDEP_SHIFT,
.flags = CLKDM_CAN_HWSUP_SWSUP,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
};
@ -112,6 +470,7 @@ static struct clockdomain abe_44xx_clkdm = {
.prcm_partition = OMAP4430_CM1_PARTITION,
.cm_inst = OMAP4430_CM1_ABE_INST,
.clkdm_offs = OMAP4430_CM1_ABE_ABE_CDOFFS,
.dep_bit = OMAP4430_ABE_STATDEP_SHIFT,
.flags = CLKDM_CAN_HWSUP_SWSUP,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
};
@ -131,6 +490,9 @@ static struct clockdomain l3_init_44xx_clkdm = {
.prcm_partition = OMAP4430_CM2_PARTITION,
.cm_inst = OMAP4430_CM2_L3INIT_INST,
.clkdm_offs = OMAP4430_CM2_L3INIT_L3INIT_CDOFFS,
.dep_bit = OMAP4430_L3INIT_STATDEP_SHIFT,
.wkdep_srcs = l3_init_wkup_sleep_deps,
.sleepdep_srcs = l3_init_wkup_sleep_deps,
.flags = CLKDM_CAN_HWSUP_SWSUP,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
};
@ -141,6 +503,8 @@ static struct clockdomain mpuss_44xx_clkdm = {
.prcm_partition = OMAP4430_CM1_PARTITION,
.cm_inst = OMAP4430_CM1_MPU_INST,
.clkdm_offs = OMAP4430_CM1_MPU_MPU_CDOFFS,
.wkdep_srcs = mpuss_wkup_sleep_deps,
.sleepdep_srcs = mpuss_wkup_sleep_deps,
.flags = CLKDM_CAN_FORCE_WAKEUP | CLKDM_CAN_HWSUP,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
};
@ -150,7 +514,7 @@ static struct clockdomain mpu0_44xx_clkdm = {
.pwrdm = { .name = "cpu0_pwrdm" },
.prcm_partition = OMAP4430_PRCM_MPU_PARTITION,
.cm_inst = OMAP4430_PRCM_MPU_CPU0_INST,
.clkdm_offs = OMAP4430_PRCM_MPU_CPU0_MPU_CDOFFS,
.clkdm_offs = OMAP4430_PRCM_MPU_CPU0_CPU0_CDOFFS,
.flags = CLKDM_CAN_FORCE_WAKEUP | CLKDM_CAN_HWSUP,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
};
@ -160,7 +524,7 @@ static struct clockdomain mpu1_44xx_clkdm = {
.pwrdm = { .name = "cpu1_pwrdm" },
.prcm_partition = OMAP4430_PRCM_MPU_PARTITION,
.cm_inst = OMAP4430_PRCM_MPU_CPU1_INST,
.clkdm_offs = OMAP4430_PRCM_MPU_CPU1_MPU_CDOFFS,
.clkdm_offs = OMAP4430_PRCM_MPU_CPU1_CPU1_CDOFFS,
.flags = CLKDM_CAN_FORCE_WAKEUP | CLKDM_CAN_HWSUP,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
};
@ -171,6 +535,7 @@ static struct clockdomain l3_emif_44xx_clkdm = {
.prcm_partition = OMAP4430_CM2_PARTITION,
.cm_inst = OMAP4430_CM2_CORE_INST,
.clkdm_offs = OMAP4430_CM2_CORE_MEMIF_CDOFFS,
.dep_bit = OMAP4430_MEMIF_STATDEP_SHIFT,
.flags = CLKDM_CAN_FORCE_WAKEUP | CLKDM_CAN_HWSUP,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
};
@ -191,6 +556,9 @@ static struct clockdomain ducati_44xx_clkdm = {
.prcm_partition = OMAP4430_CM2_PARTITION,
.cm_inst = OMAP4430_CM2_CORE_INST,
.clkdm_offs = OMAP4430_CM2_CORE_DUCATI_CDOFFS,
.dep_bit = OMAP4430_DUCATI_STATDEP_SHIFT,
.wkdep_srcs = ducati_wkup_sleep_deps,
.sleepdep_srcs = ducati_wkup_sleep_deps,
.flags = CLKDM_CAN_HWSUP_SWSUP,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
};
@ -201,6 +569,7 @@ static struct clockdomain l3_2_44xx_clkdm = {
.prcm_partition = OMAP4430_CM2_PARTITION,
.cm_inst = OMAP4430_CM2_CORE_INST,
.clkdm_offs = OMAP4430_CM2_CORE_L3_2_CDOFFS,
.dep_bit = OMAP4430_L3_2_STATDEP_SHIFT,
.flags = CLKDM_CAN_HWSUP,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
};
@ -211,6 +580,7 @@ static struct clockdomain l3_1_44xx_clkdm = {
.prcm_partition = OMAP4430_CM2_PARTITION,
.cm_inst = OMAP4430_CM2_CORE_INST,
.clkdm_offs = OMAP4430_CM2_CORE_L3_1_CDOFFS,
.dep_bit = OMAP4430_L3_1_STATDEP_SHIFT,
.flags = CLKDM_CAN_HWSUP,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
};
@ -221,6 +591,8 @@ static struct clockdomain l3_d2d_44xx_clkdm = {
.prcm_partition = OMAP4430_CM2_PARTITION,
.cm_inst = OMAP4430_CM2_CORE_INST,
.clkdm_offs = OMAP4430_CM2_CORE_D2D_CDOFFS,
.wkdep_srcs = l3_d2d_wkup_sleep_deps,
.sleepdep_srcs = l3_d2d_wkup_sleep_deps,
.flags = CLKDM_CAN_FORCE_WAKEUP | CLKDM_CAN_HWSUP,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
};
@ -231,6 +603,8 @@ static struct clockdomain iss_44xx_clkdm = {
.prcm_partition = OMAP4430_CM2_PARTITION,
.cm_inst = OMAP4430_CM2_CAM_INST,
.clkdm_offs = OMAP4430_CM2_CAM_CAM_CDOFFS,
.wkdep_srcs = iss_wkup_sleep_deps,
.sleepdep_srcs = iss_wkup_sleep_deps,
.flags = CLKDM_CAN_HWSUP_SWSUP,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
};
@ -241,6 +615,9 @@ static struct clockdomain l3_dss_44xx_clkdm = {
.prcm_partition = OMAP4430_CM2_PARTITION,
.cm_inst = OMAP4430_CM2_DSS_INST,
.clkdm_offs = OMAP4430_CM2_DSS_DSS_CDOFFS,
.dep_bit = OMAP4430_DSS_STATDEP_SHIFT,
.wkdep_srcs = l3_dss_wkup_sleep_deps,
.sleepdep_srcs = l3_dss_wkup_sleep_deps,
.flags = CLKDM_CAN_HWSUP_SWSUP,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
};
@ -251,6 +628,7 @@ static struct clockdomain l4_wkup_44xx_clkdm = {
.prcm_partition = OMAP4430_PRM_PARTITION,
.cm_inst = OMAP4430_PRM_WKUP_CM_INST,
.clkdm_offs = OMAP4430_PRM_WKUP_CM_WKUP_CDOFFS,
.dep_bit = OMAP4430_L4WKUP_STATDEP_SHIFT,
.flags = CLKDM_CAN_HWSUP,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
};
@ -271,6 +649,8 @@ static struct clockdomain l3_dma_44xx_clkdm = {
.prcm_partition = OMAP4430_CM2_PARTITION,
.cm_inst = OMAP4430_CM2_CORE_INST,
.clkdm_offs = OMAP4430_CM2_CORE_SDMA_CDOFFS,
.wkdep_srcs = l3_dma_wkup_sleep_deps,
.sleepdep_srcs = l3_dma_wkup_sleep_deps,
.flags = CLKDM_CAN_FORCE_WAKEUP | CLKDM_CAN_HWSUP,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
};
@ -305,5 +685,5 @@ static struct clockdomain *clockdomains_omap44xx[] __initdata = {
void __init omap44xx_clockdomains_init(void)
{
clkdm_init(clockdomains_omap44xx, NULL);
clkdm_init(clockdomains_omap44xx, NULL, &omap4_clkdm_operations);
}

3
arch/arm/mach-omap2/cm-regbits-24xx.h
View File

@ -210,8 +210,11 @@
#define OMAP24XX_AUTO_USB_MASK (1 << 0)
/* CM_AUTOIDLE3_CORE */
#define OMAP24XX_AUTO_SDRC_SHIFT 2
#define OMAP24XX_AUTO_SDRC_MASK (1 << 2)
#define OMAP24XX_AUTO_GPMC_SHIFT 1
#define OMAP24XX_AUTO_GPMC_MASK (1 << 1)
#define OMAP24XX_AUTO_SDMA_SHIFT 0
#define OMAP24XX_AUTO_SDMA_MASK (1 << 0)
/* CM_AUTOIDLE4_CORE */

69
arch/arm/mach-omap2/cm2xxx_3xxx.c
View File

@ -25,6 +25,14 @@
#include "cm-regbits-24xx.h"
#include "cm-regbits-34xx.h"
/* CM_AUTOIDLE_PLL.AUTO_* bit values for DPLLs */
#define DPLL_AUTOIDLE_DISABLE 0x0
#define OMAP2XXX_DPLL_AUTOIDLE_LOW_POWER_STOP 0x3
/* CM_AUTOIDLE_PLL.AUTO_* bit values for APLLs (OMAP2xxx only) */
#define OMAP2XXX_APLL_AUTOIDLE_DISABLE 0x0
#define OMAP2XXX_APLL_AUTOIDLE_LOW_POWER_STOP 0x3
static const u8 cm_idlest_offs[] = {
CM_IDLEST1, CM_IDLEST2, OMAP2430_CM_IDLEST3
};
@ -125,6 +133,67 @@ void omap3xxx_cm_clkdm_force_wakeup(s16 module, u32 mask)
_write_clktrctrl(OMAP34XX_CLKSTCTRL_FORCE_WAKEUP, module, mask);
}
/*
* DPLL autoidle control
*/
static void _omap2xxx_set_dpll_autoidle(u8 m)
{
u32 v;
v = omap2_cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE);
v &= ~OMAP24XX_AUTO_DPLL_MASK;
v |= m << OMAP24XX_AUTO_DPLL_SHIFT;
omap2_cm_write_mod_reg(v, PLL_MOD, CM_AUTOIDLE);
}
void omap2xxx_cm_set_dpll_disable_autoidle(void)
{
_omap2xxx_set_dpll_autoidle(OMAP2XXX_DPLL_AUTOIDLE_LOW_POWER_STOP);
}
void omap2xxx_cm_set_dpll_auto_low_power_stop(void)
{
_omap2xxx_set_dpll_autoidle(DPLL_AUTOIDLE_DISABLE);
}
/*
* APLL autoidle control
*/
static void _omap2xxx_set_apll_autoidle(u8 m, u32 mask)
{
u32 v;
v = omap2_cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE);
v &= ~mask;
v |= m << __ffs(mask);
omap2_cm_write_mod_reg(v, PLL_MOD, CM_AUTOIDLE);
}
void omap2xxx_cm_set_apll54_disable_autoidle(void)
{
_omap2xxx_set_apll_autoidle(OMAP2XXX_APLL_AUTOIDLE_LOW_POWER_STOP,
OMAP24XX_AUTO_54M_MASK);
}
void omap2xxx_cm_set_apll54_auto_low_power_stop(void)
{
_omap2xxx_set_apll_autoidle(OMAP2XXX_APLL_AUTOIDLE_DISABLE,
OMAP24XX_AUTO_54M_MASK);
}
void omap2xxx_cm_set_apll96_disable_autoidle(void)
{
_omap2xxx_set_apll_autoidle(OMAP2XXX_APLL_AUTOIDLE_LOW_POWER_STOP,
OMAP24XX_AUTO_96M_MASK);
}
void omap2xxx_cm_set_apll96_auto_low_power_stop(void)
{
_omap2xxx_set_apll_autoidle(OMAP2XXX_APLL_AUTOIDLE_DISABLE,
OMAP24XX_AUTO_96M_MASK);
}
/*
*

8
arch/arm/mach-omap2/cm2xxx_3xxx.h
View File

@ -122,6 +122,14 @@ extern void omap3xxx_cm_clkdm_disable_hwsup(s16 module, u32 mask);
extern void omap3xxx_cm_clkdm_force_sleep(s16 module, u32 mask);
extern void omap3xxx_cm_clkdm_force_wakeup(s16 module, u32 mask);
extern void omap2xxx_cm_set_dpll_disable_autoidle(void);
extern void omap2xxx_cm_set_dpll_auto_low_power_stop(void);
extern void omap2xxx_cm_set_apll54_disable_autoidle(void);
extern void omap2xxx_cm_set_apll54_auto_low_power_stop(void);
extern void omap2xxx_cm_set_apll96_disable_autoidle(void);
extern void omap2xxx_cm_set_apll96_auto_low_power_stop(void);
#endif
/* CM register bits shared between 24XX and 3430 */

1
arch/arm/mach-omap2/cm44xx.h
View File

@ -21,6 +21,7 @@
#include "cm.h"
#define OMAP4_CM_CLKSTCTRL 0x0000
#define OMAP4_CM_STATICDEP 0x0004
/* Function prototypes */
# ifndef __ASSEMBLER__

21
arch/arm/mach-omap2/cminst44xx.c
View File

@ -73,6 +73,27 @@ u32 omap4_cminst_rmw_inst_reg_bits(u32 mask, u32 bits, u8 part, s16 inst,
return v;
}
u32 omap4_cminst_set_inst_reg_bits(u32 bits, u8 part, s16 inst, s16 idx)
{
return omap4_cminst_rmw_inst_reg_bits(bits, bits, part, inst, idx);
}
u32 omap4_cminst_clear_inst_reg_bits(u32 bits, u8 part, s16 inst, s16 idx)
{
return omap4_cminst_rmw_inst_reg_bits(bits, 0x0, part, inst, idx);
}
u32 omap4_cminst_read_inst_reg_bits(u8 part, u16 inst, s16 idx, u32 mask)
{
u32 v;
v = omap4_cminst_read_inst_reg(part, inst, idx);
v &= mask;
v >>= __ffs(mask);
return v;
}
/*
*
*/

6
arch/arm/mach-omap2/cminst44xx.h
View File

@ -25,6 +25,12 @@ extern u32 omap4_cminst_read_inst_reg(u8 part, s16 inst, u16 idx);
extern void omap4_cminst_write_inst_reg(u32 val, u8 part, s16 inst, u16 idx);
extern u32 omap4_cminst_rmw_inst_reg_bits(u32 mask, u32 bits, u8 part,
s16 inst, s16 idx);
extern u32 omap4_cminst_set_inst_reg_bits(u32 bits, u8 part, s16 inst,
s16 idx);
extern u32 omap4_cminst_clear_inst_reg_bits(u32 bits, u8 part, s16 inst,
s16 idx);
extern u32 omap4_cminst_read_inst_reg_bits(u8 part, u16 inst, s16 idx,
u32 mask);
extern int omap4_cm_wait_module_ready(void __iomem *clkctrl_reg);

4
arch/arm/mach-omap2/cpuidle34xx.c
View File

@ -100,14 +100,14 @@ static int omap3_idle_bm_check(void)
static int _cpuidle_allow_idle(struct powerdomain *pwrdm,
struct clockdomain *clkdm)
{
omap2_clkdm_allow_idle(clkdm);
clkdm_allow_idle(clkdm);
return 0;
}
static int _cpuidle_deny_idle(struct powerdomain *pwrdm,
struct clockdomain *clkdm)
{
omap2_clkdm_deny_idle(clkdm);
clkdm_deny_idle(clkdm);
return 0;
}

84
arch/arm/mach-omap2/dpll44xx.c Normal file
View File

@ -0,0 +1,84 @@
/*
* OMAP4-specific DPLL control functions
*
* Copyright (C) 2011 Texas Instruments, Inc.
* Rajendra Nayak
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/bitops.h>
#include <plat/cpu.h>
#include <plat/clock.h>
#include "clock.h"
#include "cm-regbits-44xx.h"
/* Supported only on OMAP4 */
int omap4_dpllmx_gatectrl_read(struct clk *clk)
{
u32 v;
u32 mask;
if (!clk || !clk->clksel_reg || !cpu_is_omap44xx())
return -EINVAL;
mask = clk->flags & CLOCK_CLKOUTX2 ?
OMAP4430_DPLL_CLKOUTX2_GATE_CTRL_MASK :
OMAP4430_DPLL_CLKOUT_GATE_CTRL_MASK;
v = __raw_readl(clk->clksel_reg);
v &= mask;
v >>= __ffs(mask);
return v;
}
void omap4_dpllmx_allow_gatectrl(struct clk *clk)
{
u32 v;
u32 mask;
if (!clk || !clk->clksel_reg || !cpu_is_omap44xx())
return;
mask = clk->flags & CLOCK_CLKOUTX2 ?
OMAP4430_DPLL_CLKOUTX2_GATE_CTRL_MASK :
OMAP4430_DPLL_CLKOUT_GATE_CTRL_MASK;
v = __raw_readl(clk->clksel_reg);
/* Clear the bit to allow gatectrl */
v &= ~mask;
__raw_writel(v, clk->clksel_reg);
}
void omap4_dpllmx_deny_gatectrl(struct clk *clk)
{
u32 v;
u32 mask;
if (!clk || !clk->clksel_reg || !cpu_is_omap44xx())
return;
mask = clk->flags & CLOCK_CLKOUTX2 ?
OMAP4430_DPLL_CLKOUTX2_GATE_CTRL_MASK :
OMAP4430_DPLL_CLKOUT_GATE_CTRL_MASK;
v = __raw_readl(clk->clksel_reg);
/* Set the bit to deny gatectrl */
v |= mask;
__raw_writel(v, clk->clksel_reg);
}
const struct clkops clkops_omap4_dpllmx_ops = {
.allow_idle = omap4_dpllmx_allow_gatectrl,
.deny_idle = omap4_dpllmx_deny_gatectrl,
};

6
arch/arm/mach-omap2/io.c
View File

@ -356,15 +356,15 @@ void __init omap2_init_common_infrastructure(void)
if (cpu_is_omap242x()) {
omap2xxx_powerdomains_init();
omap2_clockdomains_init();
omap2xxx_clockdomains_init();
omap2420_hwmod_init();
} else if (cpu_is_omap243x()) {
omap2xxx_powerdomains_init();
omap2_clockdomains_init();
omap2xxx_clockdomains_init();
omap2430_hwmod_init();
} else if (cpu_is_omap34xx()) {
omap3xxx_powerdomains_init();
omap2_clockdomains_init();
omap3xxx_clockdomains_init();
omap3xxx_hwmod_init();
} else if (cpu_is_omap44xx()) {
omap44xx_powerdomains_init();

157
arch/arm/mach-omap2/omap_hwmod.c
View File

@ -370,7 +370,7 @@ static int _set_module_autoidle(struct omap_hwmod *oh, u8 autoidle,
}
autoidle_shift = oh->class->sysc->sysc_fields->autoidle_shift;
autoidle_mask = (0x3 << autoidle_shift);
autoidle_mask = (0x1 << autoidle_shift);
*v &= ~autoidle_mask;
*v |= autoidle << autoidle_shift;
@ -457,14 +457,18 @@ static int _disable_wakeup(struct omap_hwmod *oh, u32 *v)
* will be accessed by a particular initiator (e.g., if a module will
* be accessed by the IVA, there should be a sleepdep between the IVA
* initiator and the module). Only applies to modules in smart-idle
* mode. Returns -EINVAL upon error or passes along
* clkdm_add_sleepdep() value upon success.
* mode. If the clockdomain is marked as not needing autodeps, return
* 0 without doing anything. Otherwise, returns -EINVAL upon error or
* passes along clkdm_add_sleepdep() value upon success.
*/
static int _add_initiator_dep(struct omap_hwmod *oh, struct omap_hwmod *init_oh)
{
if (!oh->_clk)
return -EINVAL;
if (oh->_clk->clkdm && oh->_clk->clkdm->flags & CLKDM_NO_AUTODEPS)
return 0;
return clkdm_add_sleepdep(oh->_clk->clkdm, init_oh->_clk->clkdm);
}
@ -477,14 +481,18 @@ static int _add_initiator_dep(struct omap_hwmod *oh, struct omap_hwmod *init_oh)
* be accessed by a particular initiator (e.g., if a module will not
* be accessed by the IVA, there should be no sleepdep between the IVA
* initiator and the module). Only applies to modules in smart-idle
* mode. Returns -EINVAL upon error or passes along
* clkdm_del_sleepdep() value upon success.
* mode. If the clockdomain is marked as not needing autodeps, return
* 0 without doing anything. Returns -EINVAL upon error or passes
* along clkdm_del_sleepdep() value upon success.
*/
static int _del_initiator_dep(struct omap_hwmod *oh, struct omap_hwmod *init_oh)
{
if (!oh->_clk)
return -EINVAL;
if (oh->_clk->clkdm && oh->_clk->clkdm->flags & CLKDM_NO_AUTODEPS)
return 0;
return clkdm_del_sleepdep(oh->_clk->clkdm, init_oh->_clk->clkdm);
}
@ -921,7 +929,7 @@ static int _init_clocks(struct omap_hwmod *oh, void *data)
if (!ret)
oh->_state = _HWMOD_STATE_CLKS_INITED;
return 0;
return ret;
}
/**
@ -967,25 +975,29 @@ static int _wait_target_ready(struct omap_hwmod *oh)
}
/**
* _lookup_hardreset - return the register bit shift for this hwmod/reset line
* _lookup_hardreset - fill register bit info for this hwmod/reset line
* @oh: struct omap_hwmod *
* @name: name of the reset line in the context of this hwmod
* @ohri: struct omap_hwmod_rst_info * that this function will fill in
*
* Return the bit position of the reset line that match the
* input name. Return -ENOENT if not found.
*/
static u8 _lookup_hardreset(struct omap_hwmod *oh, const char *name)
static u8 _lookup_hardreset(struct omap_hwmod *oh, const char *name,
struct omap_hwmod_rst_info *ohri)
{
int i;
for (i = 0; i < oh->rst_lines_cnt; i++) {
const char *rst_line = oh->rst_lines[i].name;
if (!strcmp(rst_line, name)) {
u8 shift = oh->rst_lines[i].rst_shift;
pr_debug("omap_hwmod: %s: _lookup_hardreset: %s: %d\n",
oh->name, rst_line, shift);
ohri->rst_shift = oh->rst_lines[i].rst_shift;
ohri->st_shift = oh->rst_lines[i].st_shift;
pr_debug("omap_hwmod: %s: %s: %s: rst %d st %d\n",
oh->name, __func__, rst_line, ohri->rst_shift,
ohri->st_shift);
return shift;
return 0;
}
}
@ -1004,21 +1016,22 @@ static u8 _lookup_hardreset(struct omap_hwmod *oh, const char *name)
*/
static int _assert_hardreset(struct omap_hwmod *oh, const char *name)
{
u8 shift;
struct omap_hwmod_rst_info ohri;
u8 ret;
if (!oh)
return -EINVAL;
shift = _lookup_hardreset(oh, name);
if (IS_ERR_VALUE(shift))
return shift;
ret = _lookup_hardreset(oh, name, &ohri);
if (IS_ERR_VALUE(ret))
return ret;
if (cpu_is_omap24xx() || cpu_is_omap34xx())
return omap2_prm_assert_hardreset(oh->prcm.omap2.module_offs,
shift);
ohri.rst_shift);
else if (cpu_is_omap44xx())
return omap4_prm_assert_hardreset(oh->prcm.omap4.rstctrl_reg,
shift);
ohri.rst_shift);
else
return -EINVAL;
}
@ -1035,29 +1048,34 @@ static int _assert_hardreset(struct omap_hwmod *oh, const char *name)
*/
static int _deassert_hardreset(struct omap_hwmod *oh, const char *name)
{
u8 shift;
int r;
struct omap_hwmod_rst_info ohri;
int ret;
if (!oh)
return -EINVAL;
shift = _lookup_hardreset(oh, name);
if (IS_ERR_VALUE(shift))
return shift;
ret = _lookup_hardreset(oh, name, &ohri);
if (IS_ERR_VALUE(ret))
return ret;
if (cpu_is_omap24xx() || cpu_is_omap34xx())
r = omap2_prm_deassert_hardreset(oh->prcm.omap2.module_offs,
shift);
else if (cpu_is_omap44xx())
r = omap4_prm_deassert_hardreset(oh->prcm.omap4.rstctrl_reg,
shift);
else
if (cpu_is_omap24xx() || cpu_is_omap34xx()) {
ret = omap2_prm_deassert_hardreset(oh->prcm.omap2.module_offs,
ohri.rst_shift,
ohri.st_shift);
} else if (cpu_is_omap44xx()) {
if (ohri.st_shift)
pr_err("omap_hwmod: %s: %s: hwmod data error: OMAP4 does not support st_shift\n",
oh->name, name);
ret = omap4_prm_deassert_hardreset(oh->prcm.omap4.rstctrl_reg,
ohri.rst_shift);
} else {
return -EINVAL;
}
if (r == -EBUSY)
if (ret == -EBUSY)
pr_warning("omap_hwmod: %s: failed to hardreset\n", oh->name);
return r;
return ret;
}
/**
@ -1070,21 +1088,22 @@ static int _deassert_hardreset(struct omap_hwmod *oh, const char *name)
*/
static int _read_hardreset(struct omap_hwmod *oh, const char *name)
{
u8 shift;
struct omap_hwmod_rst_info ohri;
u8 ret;
if (!oh)
return -EINVAL;
shift = _lookup_hardreset(oh, name);
if (IS_ERR_VALUE(shift))
return shift;
ret = _lookup_hardreset(oh, name, &ohri);
if (IS_ERR_VALUE(ret))
return ret;
if (cpu_is_omap24xx() || cpu_is_omap34xx()) {
return omap2_prm_is_hardreset_asserted(oh->prcm.omap2.module_offs,
shift);
ohri.st_shift);
} else if (cpu_is_omap44xx()) {
return omap4_prm_is_hardreset_asserted(oh->prcm.omap4.rstctrl_reg,
shift);
ohri.rst_shift);
} else {
return -EINVAL;
}
@ -1282,6 +1301,42 @@ static int _idle(struct omap_hwmod *oh)
return 0;
}
/**
* omap_hwmod_set_ocp_autoidle - set the hwmod's OCP autoidle bit
* @oh: struct omap_hwmod *
* @autoidle: desired AUTOIDLE bitfield value (0 or 1)
*
* Sets the IP block's OCP autoidle bit in hardware, and updates our
* local copy. Intended to be used by drivers that require
* direct manipulation of the AUTOIDLE bits.
* Returns -EINVAL if @oh is null or is not in the ENABLED state, or passes
* along the return value from _set_module_autoidle().
*
* Any users of this function should be scrutinized carefully.
*/
int omap_hwmod_set_ocp_autoidle(struct omap_hwmod *oh, u8 autoidle)
{
u32 v;
int retval = 0;
unsigned long flags;
if (!oh || oh->_state != _HWMOD_STATE_ENABLED)
return -EINVAL;
spin_lock_irqsave(&oh->_lock, flags);
v = oh->_sysc_cache;
retval = _set_module_autoidle(oh, autoidle, &v);
if (!retval)
_write_sysconfig(v, oh);
spin_unlock_irqrestore(&oh->_lock, flags);
return retval;
}
/**
* _shutdown - shutdown an omap_hwmod
* @oh: struct omap_hwmod *
@ -2286,3 +2341,29 @@ u32 omap_hwmod_get_context_loss_count(struct omap_hwmod *oh)
return ret;
}
/**
* omap_hwmod_no_setup_reset - prevent a hwmod from being reset upon setup
* @oh: struct omap_hwmod *
*
* Prevent the hwmod @oh from being reset during the setup process.
* Intended for use by board-*.c files on boards with devices that
* cannot tolerate being reset. Must be called before the hwmod has
* been set up. Returns 0 upon success or negative error code upon
* failure.
*/
int omap_hwmod_no_setup_reset(struct omap_hwmod *oh)
{
if (!oh)
return -EINVAL;
if (oh->_state != _HWMOD_STATE_REGISTERED) {
pr_err("omap_hwmod: %s: cannot prevent setup reset; in wrong state\n",
oh->name);
return -EINVAL;
}
oh->flags |= HWMOD_INIT_NO_RESET;
return 0;
}

11
arch/arm/mach-omap2/omap_hwmod_2420_data.c
View File

@ -988,7 +988,7 @@ static struct omap_hwmod_class_sysconfig omap2420_wd_timer_sysc = {
.sysc_offs = 0x0010,
.syss_offs = 0x0014,
.sysc_flags = (SYSC_HAS_EMUFREE | SYSC_HAS_SOFTRESET |
SYSC_HAS_AUTOIDLE),
SYSC_HAS_AUTOIDLE | SYSS_HAS_RESET_STATUS),
.sysc_fields = &omap_hwmod_sysc_type1,
};
@ -1029,7 +1029,7 @@ static struct omap_hwmod_class_sysconfig uart_sysc = {
.syss_offs = 0x58,
.sysc_flags = (SYSC_HAS_SIDLEMODE |
SYSC_HAS_ENAWAKEUP | SYSC_HAS_SOFTRESET |
SYSC_HAS_AUTOIDLE),
SYSC_HAS_AUTOIDLE | SYSS_HAS_RESET_STATUS),
.idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
.sysc_fields = &omap_hwmod_sysc_type1,
};
@ -1441,7 +1441,7 @@ static struct omap_hwmod_class_sysconfig i2c_sysc = {
.rev_offs = 0x00,
.sysc_offs = 0x20,
.syss_offs = 0x10,
.sysc_flags = SYSC_HAS_SOFTRESET,
.sysc_flags = (SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS),
.sysc_fields = &omap_hwmod_sysc_type1,
};
@ -1613,7 +1613,8 @@ static struct omap_hwmod_class_sysconfig omap242x_gpio_sysc = {
.sysc_offs = 0x0010,
.syss_offs = 0x0014,
.sysc_flags = (SYSC_HAS_ENAWAKEUP | SYSC_HAS_SIDLEMODE |
SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE),
SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE |
SYSS_HAS_RESET_STATUS),
.idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
.sysc_fields = &omap_hwmod_sysc_type1,
};
@ -1755,7 +1756,7 @@ static struct omap_hwmod_class_sysconfig omap2420_dma_sysc = {
.syss_offs = 0x0028,
.sysc_flags = (SYSC_HAS_SOFTRESET | SYSC_HAS_MIDLEMODE |
SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_EMUFREE |
SYSC_HAS_AUTOIDLE),
SYSC_HAS_AUTOIDLE | SYSS_HAS_RESET_STATUS),
.idlemodes = (MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART),
.sysc_fields = &omap_hwmod_sysc_type1,
};

12
arch/arm/mach-omap2/omap_hwmod_2430_data.c
View File

@ -1088,7 +1088,7 @@ static struct omap_hwmod_class_sysconfig omap2430_wd_timer_sysc = {
.sysc_offs = 0x0010,
.syss_offs = 0x0014,
.sysc_flags = (SYSC_HAS_EMUFREE | SYSC_HAS_SOFTRESET |
SYSC_HAS_AUTOIDLE),
SYSC_HAS_AUTOIDLE | SYSS_HAS_RESET_STATUS),
.sysc_fields = &omap_hwmod_sysc_type1,
};
@ -1129,7 +1129,7 @@ static struct omap_hwmod_class_sysconfig uart_sysc = {
.syss_offs = 0x58,
.sysc_flags = (SYSC_HAS_SIDLEMODE |
SYSC_HAS_ENAWAKEUP | SYSC_HAS_SOFTRESET |
SYSC_HAS_AUTOIDLE),
SYSC_HAS_AUTOIDLE | SYSS_HAS_RESET_STATUS),
.idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
.sysc_fields = &omap_hwmod_sysc_type1,
};
@ -1516,7 +1516,8 @@ static struct omap_hwmod_class_sysconfig i2c_sysc = {
.rev_offs = 0x00,
.sysc_offs = 0x20,
.syss_offs = 0x10,
.sysc_flags = (SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE),
.sysc_flags = (SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE |
SYSS_HAS_RESET_STATUS),
.sysc_fields = &omap_hwmod_sysc_type1,
};
@ -1714,7 +1715,8 @@ static struct omap_hwmod_class_sysconfig omap243x_gpio_sysc = {
.sysc_offs = 0x0010,
.syss_offs = 0x0014,
.sysc_flags = (SYSC_HAS_ENAWAKEUP | SYSC_HAS_SIDLEMODE |
SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE),
SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE |
SYSS_HAS_RESET_STATUS),
.idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
.sysc_fields = &omap_hwmod_sysc_type1,
};
@ -1886,7 +1888,7 @@ static struct omap_hwmod_class_sysconfig omap2430_dma_sysc = {
.syss_offs = 0x0028,
.sysc_flags = (SYSC_HAS_SOFTRESET | SYSC_HAS_MIDLEMODE |
SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_EMUFREE |
SYSC_HAS_AUTOIDLE),
SYSC_HAS_AUTOIDLE | SYSS_HAS_RESET_STATUS),
.idlemodes = (MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART),
.sysc_fields = &omap_hwmod_sysc_type1,
};

47
arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
View File

@ -23,7 +23,6 @@
#include <plat/i2c.h>
#include <plat/gpio.h>
#include <plat/mmc.h>
#include <plat/smartreflex.h>
#include <plat/mcbsp.h>
#include <plat/mcspi.h>
#include <plat/dmtimer.h>
@ -491,26 +490,12 @@ static struct omap_hwmod_ocp_if *am35xx_usbhsotg_slaves[] = {
/* Slave interfaces on the L4_CORE interconnect */
static struct omap_hwmod_ocp_if *omap3xxx_l4_core_slaves[] = {
&omap3xxx_l3_main__l4_core,
&omap3_l4_core__sr1,
&omap3_l4_core__sr2,
};
/* Master interfaces on the L4_CORE interconnect */
static struct omap_hwmod_ocp_if *omap3xxx_l4_core_masters[] = {
&omap3xxx_l4_core__l4_wkup,
&omap3_l4_core__uart1,
&omap3_l4_core__uart2,
&omap3_l4_core__i2c1,
&omap3_l4_core__i2c2,
&omap3_l4_core__i2c3,
};
/* L4 CORE */
static struct omap_hwmod omap3xxx_l4_core_hwmod = {
.name = "l4_core",
.class = &l4_hwmod_class,
.masters = omap3xxx_l4_core_masters,
.masters_cnt = ARRAY_SIZE(omap3xxx_l4_core_masters),
.slaves = omap3xxx_l4_core_slaves,
.slaves_cnt = ARRAY_SIZE(omap3xxx_l4_core_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
@ -522,18 +507,10 @@ static struct omap_hwmod_ocp_if *omap3xxx_l4_per_slaves[] = {
&omap3xxx_l3_main__l4_per,
};
/* Master interfaces on the L4_PER interconnect */
static struct omap_hwmod_ocp_if *omap3xxx_l4_per_masters[] = {
&omap3_l4_per__uart3,
&omap3_l4_per__uart4,
};
/* L4 PER */
static struct omap_hwmod omap3xxx_l4_per_hwmod = {
.name = "l4_per",
.class = &l4_hwmod_class,
.masters = omap3xxx_l4_per_masters,
.masters_cnt = ARRAY_SIZE(omap3xxx_l4_per_masters),
.slaves = omap3xxx_l4_per_slaves,
.slaves_cnt = ARRAY_SIZE(omap3xxx_l4_per_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
@ -545,16 +522,10 @@ static struct omap_hwmod_ocp_if *omap3xxx_l4_wkup_slaves[] = {
&omap3xxx_l4_core__l4_wkup,
};
/* Master interfaces on the L4_WKUP interconnect */
static struct omap_hwmod_ocp_if *omap3xxx_l4_wkup_masters[] = {
};
/* L4 WKUP */
static struct omap_hwmod omap3xxx_l4_wkup_hwmod = {
.name = "l4_wkup",
.class = &l4_hwmod_class,
.masters = omap3xxx_l4_wkup_masters,
.masters_cnt = ARRAY_SIZE(omap3xxx_l4_wkup_masters),
.slaves = omap3xxx_l4_wkup_slaves,
.slaves_cnt = ARRAY_SIZE(omap3xxx_l4_wkup_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
@ -1268,7 +1239,8 @@ static struct omap_hwmod_class_sysconfig omap3xxx_wd_timer_sysc = {
.syss_offs = 0x0014,
.sysc_flags = (SYSC_HAS_SIDLEMODE | SYSC_HAS_EMUFREE |
SYSC_HAS_ENAWAKEUP | SYSC_HAS_SOFTRESET |
SYSC_HAS_AUTOIDLE | SYSC_HAS_CLOCKACTIVITY),
SYSC_HAS_AUTOIDLE | SYSC_HAS_CLOCKACTIVITY |
SYSS_HAS_RESET_STATUS),
.idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
.sysc_fields = &omap_hwmod_sysc_type1,
};
@ -1280,7 +1252,7 @@ static struct omap_hwmod_class_sysconfig i2c_sysc = {
.syss_offs = 0x10,
.sysc_flags = (SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_SIDLEMODE |
SYSC_HAS_ENAWAKEUP | SYSC_HAS_SOFTRESET |
SYSC_HAS_AUTOIDLE),
SYSC_HAS_AUTOIDLE | SYSS_HAS_RESET_STATUS),
.idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
.sysc_fields = &omap_hwmod_sysc_type1,
};
@ -1312,6 +1284,11 @@ static struct omap_hwmod omap3xxx_wd_timer2_hwmod = {
.slaves = omap3xxx_wd_timer2_slaves,
.slaves_cnt = ARRAY_SIZE(omap3xxx_wd_timer2_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
/*
* XXX: Use software supervised mode, HW supervised smartidle seems to
* block CORE power domain idle transitions. Maybe a HW bug in wdt2?
*/
.flags = HWMOD_SWSUP_SIDLE,
};
/* UART common */
@ -1322,7 +1299,7 @@ static struct omap_hwmod_class_sysconfig uart_sysc = {
.syss_offs = 0x58,
.sysc_flags = (SYSC_HAS_SIDLEMODE |
SYSC_HAS_ENAWAKEUP | SYSC_HAS_SOFTRESET |
SYSC_HAS_AUTOIDLE),
SYSC_HAS_AUTOIDLE | SYSS_HAS_RESET_STATUS),
.idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
.sysc_fields = &omap_hwmod_sysc_type1,
};
@ -2128,7 +2105,8 @@ static struct omap_hwmod_class_sysconfig omap3xxx_gpio_sysc = {
.sysc_offs = 0x0010,
.syss_offs = 0x0014,
.sysc_flags = (SYSC_HAS_ENAWAKEUP | SYSC_HAS_SIDLEMODE |
SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE),
SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE |
SYSS_HAS_RESET_STATUS),
.idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
.sysc_fields = &omap_hwmod_sysc_type1,
};
@ -2382,7 +2360,8 @@ static struct omap_hwmod_class_sysconfig omap3xxx_dma_sysc = {
.syss_offs = 0x0028,
.sysc_flags = (SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET |
SYSC_HAS_MIDLEMODE | SYSC_HAS_CLOCKACTIVITY |
SYSC_HAS_EMUFREE | SYSC_HAS_AUTOIDLE),
SYSC_HAS_EMUFREE | SYSC_HAS_AUTOIDLE |
SYSS_HAS_RESET_STATUS),
.idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART),
.sysc_fields = &omap_hwmod_sysc_type1,

24
arch/arm/mach-omap2/omap_opp_data.h
View File

@ -21,6 +21,8 @@
#include <plat/omap_hwmod.h>
#include "voltage.h"
/*
* *BIG FAT WARNING*:
* USE the following ONLY in opp data initialization common to an SoC.
@ -65,8 +67,30 @@ struct omap_opp_def {
.u_volt = _uv, \
}
/*
* Initialization wrapper used to define SmartReflex process data
* XXX Is this needed? Just use C99 initializers in data files?
*/
#define VOLT_DATA_DEFINE(_v_nom, _efuse_offs, _errminlimit, _errgain) \
{ \
.volt_nominal = _v_nom, \
.sr_efuse_offs = _efuse_offs, \
.sr_errminlimit = _errminlimit, \
.vp_errgain = _errgain \
}
/* Use this to initialize the default table */
extern int __init omap_init_opp_table(struct omap_opp_def *opp_def,
u32 opp_def_size);
extern struct omap_volt_data omap34xx_vddmpu_volt_data[];
extern struct omap_volt_data omap34xx_vddcore_volt_data[];
extern struct omap_volt_data omap36xx_vddmpu_volt_data[];
extern struct omap_volt_data omap36xx_vddcore_volt_data[];
extern struct omap_volt_data omap44xx_vdd_mpu_volt_data[];
extern struct omap_volt_data omap44xx_vdd_iva_volt_data[];
extern struct omap_volt_data omap44xx_vdd_core_volt_data[];
#endif /* __ARCH_ARM_MACH_OMAP2_OMAP_OPP_DATA_H */

2
arch/arm/mach-omap2/omap_twl.c
View File

@ -18,7 +18,7 @@
#include <linux/kernel.h>
#include <linux/i2c/twl.h>
#include <plat/voltage.h>
#include "voltage.h"
#include "pm.h"

66
arch/arm/mach-omap2/opp3xxx_data.c
View File

@ -4,8 +4,9 @@
* Copyright (C) 2009-2010 Texas Instruments Incorporated - http://www.ti.com/
* Nishanth Menon
* Kevin Hilman
* Copyright (C) 2010 Nokia Corporation.
* Copyright (C) 2010-2011 Nokia Corporation.
* Eduardo Valentin
* Paul Walmsley
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@ -20,9 +21,72 @@
#include <plat/cpu.h>
#include "control.h"
#include "omap_opp_data.h"
#include "pm.h"
/* 34xx */
/* VDD1 */
#define OMAP3430_VDD_MPU_OPP1_UV 975000
#define OMAP3430_VDD_MPU_OPP2_UV 1075000
#define OMAP3430_VDD_MPU_OPP3_UV 1200000
#define OMAP3430_VDD_MPU_OPP4_UV 1270000
#define OMAP3430_VDD_MPU_OPP5_UV 1350000
struct omap_volt_data omap34xx_vddmpu_volt_data[] = {
VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP1_UV, OMAP343X_CONTROL_FUSE_OPP1_VDD1, 0xf4, 0x0c),
VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP2_UV, OMAP343X_CONTROL_FUSE_OPP2_VDD1, 0xf4, 0x0c),
VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP3_UV, OMAP343X_CONTROL_FUSE_OPP3_VDD1, 0xf9, 0x18),
VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP4_UV, OMAP343X_CONTROL_FUSE_OPP4_VDD1, 0xf9, 0x18),
VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP5_UV, OMAP343X_CONTROL_FUSE_OPP5_VDD1, 0xf9, 0x18),
VOLT_DATA_DEFINE(0, 0, 0, 0),
};
/* VDD2 */
#define OMAP3430_VDD_CORE_OPP1_UV 975000
#define OMAP3430_VDD_CORE_OPP2_UV 1050000
#define OMAP3430_VDD_CORE_OPP3_UV 1150000
struct omap_volt_data omap34xx_vddcore_volt_data[] = {
VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP1_UV, OMAP343X_CONTROL_FUSE_OPP1_VDD2, 0xf4, 0x0c),
VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP2_UV, OMAP343X_CONTROL_FUSE_OPP2_VDD2, 0xf4, 0x0c),
VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP3_UV, OMAP343X_CONTROL_FUSE_OPP3_VDD2, 0xf9, 0x18),
VOLT_DATA_DEFINE(0, 0, 0, 0),
};
/* 36xx */
/* VDD1 */
#define OMAP3630_VDD_MPU_OPP50_UV 1012500
#define OMAP3630_VDD_MPU_OPP100_UV 1200000
#define OMAP3630_VDD_MPU_OPP120_UV 1325000
#define OMAP3630_VDD_MPU_OPP1G_UV 1375000
struct omap_volt_data omap36xx_vddmpu_volt_data[] = {
VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP50_UV, OMAP3630_CONTROL_FUSE_OPP50_VDD1, 0xf4, 0x0c),
VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP100_UV, OMAP3630_CONTROL_FUSE_OPP100_VDD1, 0xf9, 0x16),
VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP120_UV, OMAP3630_CONTROL_FUSE_OPP120_VDD1, 0xfa, 0x23),
VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP1G_UV, OMAP3630_CONTROL_FUSE_OPP1G_VDD1, 0xfa, 0x27),
VOLT_DATA_DEFINE(0, 0, 0, 0),
};
/* VDD2 */
#define OMAP3630_VDD_CORE_OPP50_UV 1000000
#define OMAP3630_VDD_CORE_OPP100_UV 1200000
struct omap_volt_data omap36xx_vddcore_volt_data[] = {
VOLT_DATA_DEFINE(OMAP3630_VDD_CORE_OPP50_UV, OMAP3630_CONTROL_FUSE_OPP50_VDD2, 0xf4, 0x0c),
VOLT_DATA_DEFINE(OMAP3630_VDD_CORE_OPP100_UV, OMAP3630_CONTROL_FUSE_OPP100_VDD2, 0xf9, 0x16),
VOLT_DATA_DEFINE(0, 0, 0, 0),
};
/* OPP data */
static struct omap_opp_def __initdata omap34xx_opp_def_list[] = {
/* MPU OPP1 */
OPP_INITIALIZER("mpu", true, 125000000, 975000),

43
arch/arm/mach-omap2/opp4xxx_data.c
View File

@ -5,8 +5,9 @@
* Nishanth Menon
* Kevin Hilman
* Thara Gopinath
* Copyright (C) 2010 Nokia Corporation.
* Copyright (C) 2010-2011 Nokia Corporation.
* Eduardo Valentin
* Paul Walmsley
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@ -21,9 +22,49 @@
#include <plat/cpu.h>
#include "control.h"
#include "omap_opp_data.h"
#include "pm.h"
/*
* Structures containing OMAP4430 voltage supported and various
* voltage dependent data for each VDD.
*/
#define OMAP4430_VDD_MPU_OPP50_UV 930000
#define OMAP4430_VDD_MPU_OPP100_UV 1100000
#define OMAP4430_VDD_MPU_OPPTURBO_UV 1260000
#define OMAP4430_VDD_MPU_OPPNITRO_UV 1350000
struct omap_volt_data omap44xx_vdd_mpu_volt_data[] = {
VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPP50_UV, OMAP44XX_CONTROL_FUSE_MPU_OPP50, 0xf4, 0x0c),
VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPP100_UV, OMAP44XX_CONTROL_FUSE_MPU_OPP100, 0xf9, 0x16),
VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPPTURBO_UV, OMAP44XX_CONTROL_FUSE_MPU_OPPTURBO, 0xfa, 0x23),
VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPPNITRO_UV, OMAP44XX_CONTROL_FUSE_MPU_OPPNITRO, 0xfa, 0x27),
VOLT_DATA_DEFINE(0, 0, 0, 0),
};
#define OMAP4430_VDD_IVA_OPP50_UV 930000
#define OMAP4430_VDD_IVA_OPP100_UV 1100000
#define OMAP4430_VDD_IVA_OPPTURBO_UV 1260000
struct omap_volt_data omap44xx_vdd_iva_volt_data[] = {
VOLT_DATA_DEFINE(OMAP4430_VDD_IVA_OPP50_UV, OMAP44XX_CONTROL_FUSE_IVA_OPP50, 0xf4, 0x0c),
VOLT_DATA_DEFINE(OMAP4430_VDD_IVA_OPP100_UV, OMAP44XX_CONTROL_FUSE_IVA_OPP100, 0xf9, 0x16),
VOLT_DATA_DEFINE(OMAP4430_VDD_IVA_OPPTURBO_UV, OMAP44XX_CONTROL_FUSE_IVA_OPPTURBO, 0xfa, 0x23),
VOLT_DATA_DEFINE(0, 0, 0, 0),
};
#define OMAP4430_VDD_CORE_OPP50_UV 930000
#define OMAP4430_VDD_CORE_OPP100_UV 1100000
struct omap_volt_data omap44xx_vdd_core_volt_data[] = {
VOLT_DATA_DEFINE(OMAP4430_VDD_CORE_OPP50_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP50, 0xf4, 0x0c),
VOLT_DATA_DEFINE(OMAP4430_VDD_CORE_OPP100_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP100, 0xf9, 0x16),
VOLT_DATA_DEFINE(0, 0, 0, 0),
};
static struct omap_opp_def __initdata omap44xx_opp_def_list[] = {
/* MPU OPP1 - OPP50 */
OPP_INITIALIZER("mpu", true, 300000000, 1100000),

8
arch/arm/mach-omap2/pm.c
View File

@ -18,8 +18,8 @@
#include <plat/omap-pm.h>
#include <plat/omap_device.h>
#include <plat/common.h>
#include <plat/voltage.h>
#include "voltage.h"
#include "powerdomain.h"
#include "clockdomain.h"
#include "pm.h"
@ -126,7 +126,7 @@ int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state)
(pwrdm->flags & PWRDM_HAS_LOWPOWERSTATECHANGE)) {
sleep_switch = LOWPOWERSTATE_SWITCH;
} else {
omap2_clkdm_wakeup(pwrdm->pwrdm_clkdms[0]);
clkdm_wakeup(pwrdm->pwrdm_clkdms[0]);
pwrdm_wait_transition(pwrdm);
sleep_switch = FORCEWAKEUP_SWITCH;
}
@ -142,9 +142,9 @@ int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state)
switch (sleep_switch) {
case FORCEWAKEUP_SWITCH:
if (pwrdm->pwrdm_clkdms[0]->flags & CLKDM_CAN_ENABLE_AUTO)
omap2_clkdm_allow_idle(pwrdm->pwrdm_clkdms[0]);
clkdm_allow_idle(pwrdm->pwrdm_clkdms[0]);
else
omap2_clkdm_sleep(pwrdm->pwrdm_clkdms[0]);
clkdm_sleep(pwrdm->pwrdm_clkdms[0]);
break;
case LOWPOWERSTATE_SWITCH:
pwrdm_set_lowpwrstchange(pwrdm);

77
arch/arm/mach-omap2/pm24xx.c
View File

@ -364,10 +364,10 @@ static const struct platform_suspend_ops __initdata omap_pm_ops;
static int __init clkdms_setup(struct clockdomain *clkdm, void *unused)
{
if (clkdm->flags & CLKDM_CAN_ENABLE_AUTO)
omap2_clkdm_allow_idle(clkdm);
clkdm_allow_idle(clkdm);
else if (clkdm->flags & CLKDM_CAN_FORCE_SLEEP &&
atomic_read(&clkdm->usecount) == 0)
omap2_clkdm_sleep(clkdm);
clkdm_sleep(clkdm);
return 0;
}
@ -376,7 +376,10 @@ static void __init prcm_setup_regs(void)
int i, num_mem_banks;
struct powerdomain *pwrdm;
/* Enable autoidle */
/*
* Enable autoidle
* XXX This should be handled by hwmod code or PRCM init code
*/
omap2_prm_write_mod_reg(OMAP24XX_AUTOIDLE_MASK, OCP_MOD,
OMAP2_PRCM_SYSCONFIG_OFFSET);
@ -402,80 +405,16 @@ static void __init prcm_setup_regs(void)
pwrdm = clkdm_get_pwrdm(dsp_clkdm);
pwrdm_set_next_pwrst(pwrdm, PWRDM_POWER_OFF);
omap2_clkdm_sleep(dsp_clkdm);
clkdm_sleep(dsp_clkdm);
pwrdm = clkdm_get_pwrdm(gfx_clkdm);
pwrdm_set_next_pwrst(pwrdm, PWRDM_POWER_OFF);
omap2_clkdm_sleep(gfx_clkdm);
clkdm_sleep(gfx_clkdm);
/* Enable hardware-supervised idle for all clkdms */
clkdm_for_each(clkdms_setup, NULL);
clkdm_add_wkdep(mpu_clkdm, wkup_clkdm);
/* Enable clock autoidle for all domains */
omap2_cm_write_mod_reg(OMAP24XX_AUTO_CAM_MASK |
OMAP24XX_AUTO_MAILBOXES_MASK |
OMAP24XX_AUTO_WDT4_MASK |
OMAP2420_AUTO_WDT3_MASK |
OMAP24XX_AUTO_MSPRO_MASK |
OMAP2420_AUTO_MMC_MASK |
OMAP24XX_AUTO_FAC_MASK |
OMAP2420_AUTO_EAC_MASK |
OMAP24XX_AUTO_HDQ_MASK |
OMAP24XX_AUTO_UART2_MASK |
OMAP24XX_AUTO_UART1_MASK |
OMAP24XX_AUTO_I2C2_MASK |
OMAP24XX_AUTO_I2C1_MASK |
OMAP24XX_AUTO_MCSPI2_MASK |
OMAP24XX_AUTO_MCSPI1_MASK |
OMAP24XX_AUTO_MCBSP2_MASK |
OMAP24XX_AUTO_MCBSP1_MASK |
OMAP24XX_AUTO_GPT12_MASK |
OMAP24XX_AUTO_GPT11_MASK |
OMAP24XX_AUTO_GPT10_MASK |
OMAP24XX_AUTO_GPT9_MASK |
OMAP24XX_AUTO_GPT8_MASK |
OMAP24XX_AUTO_GPT7_MASK |
OMAP24XX_AUTO_GPT6_MASK |
OMAP24XX_AUTO_GPT5_MASK |
OMAP24XX_AUTO_GPT4_MASK |
OMAP24XX_AUTO_GPT3_MASK |
OMAP24XX_AUTO_GPT2_MASK |
OMAP2420_AUTO_VLYNQ_MASK |
OMAP24XX_AUTO_DSS_MASK,
CORE_MOD, CM_AUTOIDLE1);
omap2_cm_write_mod_reg(OMAP24XX_AUTO_UART3_MASK |
OMAP24XX_AUTO_SSI_MASK |
OMAP24XX_AUTO_USB_MASK,
CORE_MOD, CM_AUTOIDLE2);
omap2_cm_write_mod_reg(OMAP24XX_AUTO_SDRC_MASK |
OMAP24XX_AUTO_GPMC_MASK |
OMAP24XX_AUTO_SDMA_MASK,
CORE_MOD, CM_AUTOIDLE3);
omap2_cm_write_mod_reg(OMAP24XX_AUTO_PKA_MASK |
OMAP24XX_AUTO_AES_MASK |
OMAP24XX_AUTO_RNG_MASK |
OMAP24XX_AUTO_SHA_MASK |
OMAP24XX_AUTO_DES_MASK,
CORE_MOD, OMAP24XX_CM_AUTOIDLE4);
omap2_cm_write_mod_reg(OMAP2420_AUTO_DSP_IPI_MASK, OMAP24XX_DSP_MOD,
CM_AUTOIDLE);
/* Put DPLL and both APLLs into autoidle mode */
omap2_cm_write_mod_reg((0x03 << OMAP24XX_AUTO_DPLL_SHIFT) |
(0x03 << OMAP24XX_AUTO_96M_SHIFT) |
(0x03 << OMAP24XX_AUTO_54M_SHIFT),
PLL_MOD, CM_AUTOIDLE);
omap2_cm_write_mod_reg(OMAP24XX_AUTO_OMAPCTRL_MASK |
OMAP24XX_AUTO_WDT1_MASK |
OMAP24XX_AUTO_MPU_WDT_MASK |
OMAP24XX_AUTO_GPIOS_MASK |
OMAP24XX_AUTO_32KSYNC_MASK |
OMAP24XX_AUTO_GPT1_MASK,
WKUP_MOD, CM_AUTOIDLE);
/* REVISIT: Configure number of 32 kHz clock cycles for sys_clk
* stabilisation */
omap2_prm_write_mod_reg(15 << OMAP_SETUP_TIME_SHIFT, OMAP24XX_GR_MOD,

127
arch/arm/mach-omap2/pm34xx.c
View File

@ -491,7 +491,7 @@ console_still_active:
pwrdm_post_transition();
omap2_clkdm_allow_idle(mpu_pwrdm->pwrdm_clkdms[0]);
clkdm_allow_idle(mpu_pwrdm->pwrdm_clkdms[0]);
}
int omap3_can_sleep(void)
@ -683,133 +683,14 @@ static void __init omap3_d2d_idle(void)
static void __init prcm_setup_regs(void)
{
u32 omap3630_auto_uart4_mask = cpu_is_omap3630() ?
OMAP3630_AUTO_UART4_MASK : 0;
u32 omap3630_en_uart4_mask = cpu_is_omap3630() ?
OMAP3630_EN_UART4_MASK : 0;
u32 omap3630_grpsel_uart4_mask = cpu_is_omap3630() ?
OMAP3630_GRPSEL_UART4_MASK : 0;
/*
* Enable interface clock autoidle for all modules.
* Note that in the long run this should be done by clockfw
*/
omap2_cm_write_mod_reg(
OMAP3430_AUTO_MODEM_MASK |
OMAP3430ES2_AUTO_MMC3_MASK |
OMAP3430ES2_AUTO_ICR_MASK |
OMAP3430_AUTO_AES2_MASK |
OMAP3430_AUTO_SHA12_MASK |
OMAP3430_AUTO_DES2_MASK |
OMAP3430_AUTO_MMC2_MASK |
OMAP3430_AUTO_MMC1_MASK |
OMAP3430_AUTO_MSPRO_MASK |
OMAP3430_AUTO_HDQ_MASK |
OMAP3430_AUTO_MCSPI4_MASK |
OMAP3430_AUTO_MCSPI3_MASK |
OMAP3430_AUTO_MCSPI2_MASK |
OMAP3430_AUTO_MCSPI1_MASK |
OMAP3430_AUTO_I2C3_MASK |
OMAP3430_AUTO_I2C2_MASK |
OMAP3430_AUTO_I2C1_MASK |
OMAP3430_AUTO_UART2_MASK |
OMAP3430_AUTO_UART1_MASK |
OMAP3430_AUTO_GPT11_MASK |
OMAP3430_AUTO_GPT10_MASK |
OMAP3430_AUTO_MCBSP5_MASK |
OMAP3430_AUTO_MCBSP1_MASK |
OMAP3430ES1_AUTO_FAC_MASK | /* This is es1 only */
OMAP3430_AUTO_MAILBOXES_MASK |
OMAP3430_AUTO_OMAPCTRL_MASK |
OMAP3430ES1_AUTO_FSHOSTUSB_MASK |
OMAP3430_AUTO_HSOTGUSB_MASK |
OMAP3430_AUTO_SAD2D_MASK |
OMAP3430_AUTO_SSI_MASK,
CORE_MOD, CM_AUTOIDLE1);
omap2_cm_write_mod_reg(
OMAP3430_AUTO_PKA_MASK |
OMAP3430_AUTO_AES1_MASK |
OMAP3430_AUTO_RNG_MASK |
OMAP3430_AUTO_SHA11_MASK |
OMAP3430_AUTO_DES1_MASK,
CORE_MOD, CM_AUTOIDLE2);
if (omap_rev() > OMAP3430_REV_ES1_0) {
omap2_cm_write_mod_reg(
OMAP3430_AUTO_MAD2D_MASK |
OMAP3430ES2_AUTO_USBTLL_MASK,
CORE_MOD, CM_AUTOIDLE3);
}
omap2_cm_write_mod_reg(
OMAP3430_AUTO_WDT2_MASK |
OMAP3430_AUTO_WDT1_MASK |
OMAP3430_AUTO_GPIO1_MASK |
OMAP3430_AUTO_32KSYNC_MASK |
OMAP3430_AUTO_GPT12_MASK |
OMAP3430_AUTO_GPT1_MASK,
WKUP_MOD, CM_AUTOIDLE);
omap2_cm_write_mod_reg(
OMAP3430_AUTO_DSS_MASK,
OMAP3430_DSS_MOD,
CM_AUTOIDLE);
omap2_cm_write_mod_reg(
OMAP3430_AUTO_CAM_MASK,
OMAP3430_CAM_MOD,
CM_AUTOIDLE);
omap2_cm_write_mod_reg(
omap3630_auto_uart4_mask |
OMAP3430_AUTO_GPIO6_MASK |
OMAP3430_AUTO_GPIO5_MASK |
OMAP3430_AUTO_GPIO4_MASK |
OMAP3430_AUTO_GPIO3_MASK |
OMAP3430_AUTO_GPIO2_MASK |
OMAP3430_AUTO_WDT3_MASK |
OMAP3430_AUTO_UART3_MASK |
OMAP3430_AUTO_GPT9_MASK |
OMAP3430_AUTO_GPT8_MASK |
OMAP3430_AUTO_GPT7_MASK |
OMAP3430_AUTO_GPT6_MASK |
OMAP3430_AUTO_GPT5_MASK |
OMAP3430_AUTO_GPT4_MASK |
OMAP3430_AUTO_GPT3_MASK |
OMAP3430_AUTO_GPT2_MASK |
OMAP3430_AUTO_MCBSP4_MASK |
OMAP3430_AUTO_MCBSP3_MASK |
OMAP3430_AUTO_MCBSP2_MASK,
OMAP3430_PER_MOD,
CM_AUTOIDLE);
if (omap_rev() > OMAP3430_REV_ES1_0) {
omap2_cm_write_mod_reg(
OMAP3430ES2_AUTO_USBHOST_MASK,
OMAP3430ES2_USBHOST_MOD,
CM_AUTOIDLE);
}
/* XXX This should be handled by hwmod code or SCM init code */
omap_ctrl_writel(OMAP3430_AUTOIDLE_MASK, OMAP2_CONTROL_SYSCONFIG);
/*
* Set all plls to autoidle. This is needed until autoidle is
* enabled by clockfw
*/
omap2_cm_write_mod_reg(1 << OMAP3430_AUTO_IVA2_DPLL_SHIFT,
OMAP3430_IVA2_MOD, CM_AUTOIDLE2);
omap2_cm_write_mod_reg(1 << OMAP3430_AUTO_MPU_DPLL_SHIFT,
MPU_MOD,
CM_AUTOIDLE2);
omap2_cm_write_mod_reg((1 << OMAP3430_AUTO_PERIPH_DPLL_SHIFT) |
(1 << OMAP3430_AUTO_CORE_DPLL_SHIFT),
PLL_MOD,
CM_AUTOIDLE);
omap2_cm_write_mod_reg(1 << OMAP3430ES2_AUTO_PERIPH2_DPLL_SHIFT,
PLL_MOD,
CM_AUTOIDLE2);
/*
* Enable control of expternal oscillator through
* sys_clkreq. In the long run clock framework should
@ -969,10 +850,10 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused)
static int __init clkdms_setup(struct clockdomain *clkdm, void *unused)
{
if (clkdm->flags & CLKDM_CAN_ENABLE_AUTO)
omap2_clkdm_allow_idle(clkdm);
clkdm_allow_idle(clkdm);
else if (clkdm->flags & CLKDM_CAN_FORCE_SLEEP &&
atomic_read(&clkdm->usecount) == 0)
omap2_clkdm_sleep(clkdm);
clkdm_sleep(clkdm);
return 0;
}

43
arch/arm/mach-omap2/powerdomain.c
View File

@ -2,7 +2,7 @@
* OMAP powerdomain control
*
* Copyright (C) 2007-2008 Texas Instruments, Inc.
* Copyright (C) 2007-2009 Nokia Corporation
* Copyright (C) 2007-2011 Nokia Corporation
*
* Written by Paul Walmsley
* Added OMAP4 specific support by Abhijit Pagare <abhijitpagare@ti.com>
@ -938,3 +938,44 @@ u32 pwrdm_get_context_loss_count(struct powerdomain *pwrdm)
return count;
}
/**
* pwrdm_can_ever_lose_context - can this powerdomain ever lose context?
* @pwrdm: struct powerdomain *
*
* Given a struct powerdomain * @pwrdm, returns 1 if the powerdomain
* can lose either memory or logic context or if @pwrdm is invalid, or
* returns 0 otherwise. This function is not concerned with how the
* powerdomain registers are programmed (i.e., to go off or not); it's
* concerned with whether it's ever possible for this powerdomain to
* go off while some other part of the chip is active. This function
* assumes that every powerdomain can go to either ON or INACTIVE.
*/
bool pwrdm_can_ever_lose_context(struct powerdomain *pwrdm)
{
int i;
if (IS_ERR_OR_NULL(pwrdm)) {
pr_debug("powerdomain: %s: invalid powerdomain pointer\n",
__func__);
return 1;
}
if (pwrdm->pwrsts & PWRSTS_OFF)
return 1;
if (pwrdm->pwrsts & PWRSTS_RET) {
if (pwrdm->pwrsts_logic_ret & PWRSTS_OFF)
return 1;
for (i = 0; i < pwrdm->banks; i++)
if (pwrdm->pwrsts_mem_ret[i] & PWRSTS_OFF)
return 1;
}
for (i = 0; i < pwrdm->banks; i++)
if (pwrdm->pwrsts_mem_on[i] & PWRSTS_OFF)
return 1;
return 0;
}

19
arch/arm/mach-omap2/powerdomain.h
View File

@ -2,7 +2,7 @@
* OMAP2/3/4 powerdomain control
*
* Copyright (C) 2007-2008, 2010 Texas Instruments, Inc.
* Copyright (C) 2007-2010 Nokia Corporation
* Copyright (C) 2007-2011 Nokia Corporation
*
* Paul Walmsley
*
@ -34,17 +34,14 @@
/* Powerdomain allowable state bitfields */
#define PWRSTS_ON (1 << PWRDM_POWER_ON)
#define PWRSTS_INACTIVE (1 << PWRDM_POWER_INACTIVE)
#define PWRSTS_RET (1 << PWRDM_POWER_RET)
#define PWRSTS_OFF (1 << PWRDM_POWER_OFF)
#define PWRSTS_OFF_ON ((1 << PWRDM_POWER_OFF) | \
(1 << PWRDM_POWER_ON))
#define PWRSTS_OFF_RET ((1 << PWRDM_POWER_OFF) | \
(1 << PWRDM_POWER_RET))
#define PWRSTS_RET_ON ((1 << PWRDM_POWER_RET) | \
(1 << PWRDM_POWER_ON))
#define PWRSTS_OFF_RET_ON (PWRSTS_OFF_RET | (1 << PWRDM_POWER_ON))
#define PWRSTS_OFF_ON (PWRSTS_OFF | PWRSTS_ON)
#define PWRSTS_OFF_RET (PWRSTS_OFF | PWRSTS_RET)
#define PWRSTS_RET_ON (PWRSTS_RET | PWRSTS_ON)
#define PWRSTS_OFF_RET_ON (PWRSTS_OFF_RET | PWRSTS_ON)
/* Powerdomain flags */
@ -165,7 +162,6 @@ struct pwrdm_ops {
int (*pwrdm_wait_transition)(struct powerdomain *pwrdm);
};
void pwrdm_fw_init(void);
void pwrdm_init(struct powerdomain **pwrdm_list, struct pwrdm_ops *custom_funcs);
struct powerdomain *pwrdm_lookup(const char *name);
@ -212,6 +208,7 @@ int pwrdm_pre_transition(void);
int pwrdm_post_transition(void);
int pwrdm_set_lowpwrstchange(struct powerdomain *pwrdm);
u32 pwrdm_get_context_loss_count(struct powerdomain *pwrdm);
bool pwrdm_can_ever_lose_context(struct powerdomain *pwrdm);
extern void omap2xxx_powerdomains_init(void);
extern void omap3xxx_powerdomains_init(void);

9
arch/arm/mach-omap2/powerdomains2xxx_3xxx_data.c
View File

@ -2,7 +2,7 @@
* OMAP2/3 common powerdomain definitions
*
* Copyright (C) 2007-2008 Texas Instruments, Inc.
* Copyright (C) 2007-2010 Nokia Corporation
* Copyright (C) 2007-2011 Nokia Corporation
*
* Paul Walmsley, Jouni Högander
*
@ -62,13 +62,13 @@ struct powerdomain gfx_omap2_pwrdm = {
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX |
CHIP_IS_OMAP3430ES1),
.pwrsts = PWRSTS_OFF_RET_ON,
.pwrsts_logic_ret = PWRDM_POWER_RET,
.pwrsts_logic_ret = PWRSTS_RET,
.banks = 1,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_RET, /* MEMRETSTATE */
[0] = PWRSTS_RET, /* MEMRETSTATE */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* MEMONSTATE */
[0] = PWRSTS_ON, /* MEMONSTATE */
},
};
@ -76,4 +76,5 @@ struct powerdomain wkup_omap2_pwrdm = {
.name = "wkup_pwrdm",
.prcm_offs = WKUP_MOD,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX | CHIP_IS_OMAP3430),
.pwrsts = PWRSTS_ON,
};

18
arch/arm/mach-omap2/powerdomains2xxx_data.c
View File

@ -2,7 +2,7 @@
* OMAP2XXX powerdomain definitions
*
* Copyright (C) 2007-2008 Texas Instruments, Inc.
* Copyright (C) 2007-2010 Nokia Corporation
* Copyright (C) 2007-2011 Nokia Corporation
*
* Paul Walmsley, Jouni Högander
*
@ -30,13 +30,13 @@ static struct powerdomain dsp_pwrdm = {
.prcm_offs = OMAP24XX_DSP_MOD,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX),
.pwrsts = PWRSTS_OFF_RET_ON,
.pwrsts_logic_ret = PWRDM_POWER_RET,
.pwrsts_logic_ret = PWRSTS_RET,
.banks = 1,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_RET,
[0] = PWRSTS_RET,
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON,
[0] = PWRSTS_ON,
},
};
@ -48,10 +48,10 @@ static struct powerdomain mpu_24xx_pwrdm = {
.pwrsts_logic_ret = PWRSTS_OFF_RET,
.banks = 1,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_RET,
[0] = PWRSTS_RET,
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON,
[0] = PWRSTS_ON,
},
};
@ -87,13 +87,13 @@ static struct powerdomain mdm_pwrdm = {
.prcm_offs = OMAP2430_MDM_MOD,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430),
.pwrsts = PWRSTS_OFF_RET_ON,
.pwrsts_logic_ret = PWRDM_POWER_RET,
.pwrsts_logic_ret = PWRSTS_RET,
.banks = 1,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_RET, /* MEMRETSTATE */
[0] = PWRSTS_RET, /* MEMRETSTATE */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* MEMONSTATE */
[0] = PWRSTS_ON, /* MEMONSTATE */
},
};

38
arch/arm/mach-omap2/powerdomains3xxx_data.c
View File

@ -2,7 +2,7 @@
* OMAP3 powerdomain definitions
*
* Copyright (C) 2007-2008 Texas Instruments, Inc.
* Copyright (C) 2007-2010 Nokia Corporation
* Copyright (C) 2007-2011 Nokia Corporation
*
* Paul Walmsley, Jouni Högander
*
@ -47,10 +47,10 @@ static struct powerdomain iva2_pwrdm = {
[3] = PWRSTS_OFF_RET,
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON,
[1] = PWRDM_POWER_ON,
[0] = PWRSTS_ON,
[1] = PWRSTS_ON,
[2] = PWRSTS_OFF_ON,
[3] = PWRDM_POWER_ON,
[3] = PWRSTS_ON,
},
};
@ -128,13 +128,13 @@ static struct powerdomain dss_pwrdm = {
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
.prcm_offs = OMAP3430_DSS_MOD,
.pwrsts = PWRSTS_OFF_RET_ON,
.pwrsts_logic_ret = PWRDM_POWER_RET,
.pwrsts_logic_ret = PWRSTS_RET,
.banks = 1,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_RET, /* MEMRETSTATE */
[0] = PWRSTS_RET, /* MEMRETSTATE */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* MEMONSTATE */
[0] = PWRSTS_ON, /* MEMONSTATE */
},
};
@ -149,13 +149,13 @@ static struct powerdomain sgx_pwrdm = {
.omap_chip = OMAP_CHIP_INIT(CHIP_GE_OMAP3430ES2),
/* XXX This is accurate for 3430 SGX, but what about GFX? */
.pwrsts = PWRSTS_OFF_ON,
.pwrsts_logic_ret = PWRDM_POWER_RET,
.pwrsts_logic_ret = PWRSTS_RET,
.banks = 1,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_RET, /* MEMRETSTATE */
[0] = PWRSTS_RET, /* MEMRETSTATE */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* MEMONSTATE */
[0] = PWRSTS_ON, /* MEMONSTATE */
},
};
@ -164,13 +164,13 @@ static struct powerdomain cam_pwrdm = {
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
.prcm_offs = OMAP3430_CAM_MOD,
.pwrsts = PWRSTS_OFF_RET_ON,
.pwrsts_logic_ret = PWRDM_POWER_RET,
.pwrsts_logic_ret = PWRSTS_RET,
.banks = 1,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_RET, /* MEMRETSTATE */
[0] = PWRSTS_RET, /* MEMRETSTATE */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* MEMONSTATE */
[0] = PWRSTS_ON, /* MEMONSTATE */
},
};
@ -182,10 +182,10 @@ static struct powerdomain per_pwrdm = {
.pwrsts_logic_ret = PWRSTS_OFF_RET,
.banks = 1,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_RET, /* MEMRETSTATE */
[0] = PWRSTS_RET, /* MEMRETSTATE */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* MEMONSTATE */
[0] = PWRSTS_ON, /* MEMONSTATE */
},
};
@ -200,7 +200,7 @@ static struct powerdomain neon_pwrdm = {
.prcm_offs = OMAP3430_NEON_MOD,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
.pwrsts = PWRSTS_OFF_RET_ON,
.pwrsts_logic_ret = PWRDM_POWER_RET,
.pwrsts_logic_ret = PWRSTS_RET,
};
static struct powerdomain usbhost_pwrdm = {
@ -208,7 +208,7 @@ static struct powerdomain usbhost_pwrdm = {
.prcm_offs = OMAP3430ES2_USBHOST_MOD,
.omap_chip = OMAP_CHIP_INIT(CHIP_GE_OMAP3430ES2),
.pwrsts = PWRSTS_OFF_RET_ON,
.pwrsts_logic_ret = PWRDM_POWER_RET,
.pwrsts_logic_ret = PWRSTS_RET,
/*
* REVISIT: Enabling usb host save and restore mechanism seems to
* leave the usb host domain permanently in ACTIVE mode after
@ -218,10 +218,10 @@ static struct powerdomain usbhost_pwrdm = {
/*.flags = PWRDM_HAS_HDWR_SAR,*/ /* for USBHOST ctrlr only */
.banks = 1,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_RET, /* MEMRETSTATE */
[0] = PWRSTS_RET, /* MEMRETSTATE */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* MEMONSTATE */
[0] = PWRSTS_ON, /* MEMONSTATE */
},
};

88
arch/arm/mach-omap2/powerdomains44xx_data.c
View File

@ -2,7 +2,7 @@
* OMAP4 Power domains framework
*
* Copyright (C) 2009-2010 Texas Instruments, Inc.
* Copyright (C) 2009-2010 Nokia Corporation
* Copyright (C) 2009-2011 Nokia Corporation
*
* Abhijit Pagare (abhijitpagare@ti.com)
* Benoit Cousson (b-cousson@ti.com)
@ -40,18 +40,18 @@ static struct powerdomain core_44xx_pwrdm = {
.pwrsts_logic_ret = PWRSTS_OFF_RET,
.banks = 5,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_OFF, /* core_nret_bank */
[0] = PWRSTS_OFF, /* core_nret_bank */
[1] = PWRSTS_OFF_RET, /* core_ocmram */
[2] = PWRDM_POWER_RET, /* core_other_bank */
[2] = PWRSTS_RET, /* core_other_bank */
[3] = PWRSTS_OFF_RET, /* ducati_l2ram */
[4] = PWRSTS_OFF_RET, /* ducati_unicache */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* core_nret_bank */
[0] = PWRSTS_ON, /* core_nret_bank */
[1] = PWRSTS_OFF_RET, /* core_ocmram */
[2] = PWRDM_POWER_ON, /* core_other_bank */
[3] = PWRDM_POWER_ON, /* ducati_l2ram */
[4] = PWRDM_POWER_ON, /* ducati_unicache */
[2] = PWRSTS_ON, /* core_other_bank */
[3] = PWRSTS_ON, /* ducati_l2ram */
[4] = PWRSTS_ON, /* ducati_unicache */
},
.flags = PWRDM_HAS_LOWPOWERSTATECHANGE,
};
@ -65,10 +65,10 @@ static struct powerdomain gfx_44xx_pwrdm = {
.pwrsts = PWRSTS_OFF_ON,
.banks = 1,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_OFF, /* gfx_mem */
[0] = PWRSTS_OFF, /* gfx_mem */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* gfx_mem */
[0] = PWRSTS_ON, /* gfx_mem */
},
.flags = PWRDM_HAS_LOWPOWERSTATECHANGE,
};
@ -80,15 +80,15 @@ static struct powerdomain abe_44xx_pwrdm = {
.prcm_partition = OMAP4430_PRM_PARTITION,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
.pwrsts = PWRSTS_OFF_RET_ON,
.pwrsts_logic_ret = PWRDM_POWER_OFF,
.pwrsts_logic_ret = PWRSTS_OFF,
.banks = 2,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_RET, /* aessmem */
[1] = PWRDM_POWER_OFF, /* periphmem */
[0] = PWRSTS_RET, /* aessmem */
[1] = PWRSTS_OFF, /* periphmem */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* aessmem */
[1] = PWRDM_POWER_ON, /* periphmem */
[0] = PWRSTS_ON, /* aessmem */
[1] = PWRSTS_ON, /* periphmem */
},
.flags = PWRDM_HAS_LOWPOWERSTATECHANGE,
};
@ -103,10 +103,10 @@ static struct powerdomain dss_44xx_pwrdm = {
.pwrsts_logic_ret = PWRSTS_OFF,
.banks = 1,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_OFF, /* dss_mem */
[0] = PWRSTS_OFF, /* dss_mem */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* dss_mem */
[0] = PWRSTS_ON, /* dss_mem */
},
.flags = PWRDM_HAS_LOWPOWERSTATECHANGE,
};
@ -121,14 +121,14 @@ static struct powerdomain tesla_44xx_pwrdm = {
.pwrsts_logic_ret = PWRSTS_OFF_RET,
.banks = 3,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_RET, /* tesla_edma */
[0] = PWRSTS_RET, /* tesla_edma */
[1] = PWRSTS_OFF_RET, /* tesla_l1 */
[2] = PWRSTS_OFF_RET, /* tesla_l2 */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* tesla_edma */
[1] = PWRDM_POWER_ON, /* tesla_l1 */
[2] = PWRDM_POWER_ON, /* tesla_l2 */
[0] = PWRSTS_ON, /* tesla_edma */
[1] = PWRSTS_ON, /* tesla_l1 */
[2] = PWRSTS_ON, /* tesla_l2 */
},
.flags = PWRDM_HAS_LOWPOWERSTATECHANGE,
};
@ -142,10 +142,10 @@ static struct powerdomain wkup_44xx_pwrdm = {
.pwrsts = PWRSTS_ON,
.banks = 1,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_OFF, /* wkup_bank */
[0] = PWRSTS_OFF, /* wkup_bank */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* wkup_bank */
[0] = PWRSTS_ON, /* wkup_bank */
},
};
@ -162,7 +162,7 @@ static struct powerdomain cpu0_44xx_pwrdm = {
[0] = PWRSTS_OFF_RET, /* cpu0_l1 */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* cpu0_l1 */
[0] = PWRSTS_ON, /* cpu0_l1 */
},
};
@ -179,7 +179,7 @@ static struct powerdomain cpu1_44xx_pwrdm = {
[0] = PWRSTS_OFF_RET, /* cpu1_l1 */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* cpu1_l1 */
[0] = PWRSTS_ON, /* cpu1_l1 */
},
};
@ -192,10 +192,10 @@ static struct powerdomain emu_44xx_pwrdm = {
.pwrsts = PWRSTS_OFF_ON,
.banks = 1,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_OFF, /* emu_bank */
[0] = PWRSTS_OFF, /* emu_bank */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* emu_bank */
[0] = PWRSTS_ON, /* emu_bank */
},
};
@ -211,12 +211,12 @@ static struct powerdomain mpu_44xx_pwrdm = {
.pwrsts_mem_ret = {
[0] = PWRSTS_OFF_RET, /* mpu_l1 */
[1] = PWRSTS_OFF_RET, /* mpu_l2 */
[2] = PWRDM_POWER_RET, /* mpu_ram */
[2] = PWRSTS_RET, /* mpu_ram */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* mpu_l1 */
[1] = PWRDM_POWER_ON, /* mpu_l2 */
[2] = PWRDM_POWER_ON, /* mpu_ram */
[0] = PWRSTS_ON, /* mpu_l1 */
[1] = PWRSTS_ON, /* mpu_l2 */
[2] = PWRSTS_ON, /* mpu_ram */
},
};
@ -227,19 +227,19 @@ static struct powerdomain ivahd_44xx_pwrdm = {
.prcm_partition = OMAP4430_PRM_PARTITION,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
.pwrsts = PWRSTS_OFF_RET_ON,
.pwrsts_logic_ret = PWRDM_POWER_OFF,
.pwrsts_logic_ret = PWRSTS_OFF,
.banks = 4,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_OFF, /* hwa_mem */
[0] = PWRSTS_OFF, /* hwa_mem */
[1] = PWRSTS_OFF_RET, /* sl2_mem */
[2] = PWRSTS_OFF_RET, /* tcm1_mem */
[3] = PWRSTS_OFF_RET, /* tcm2_mem */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* hwa_mem */
[1] = PWRDM_POWER_ON, /* sl2_mem */
[2] = PWRDM_POWER_ON, /* tcm1_mem */
[3] = PWRDM_POWER_ON, /* tcm2_mem */
[0] = PWRSTS_ON, /* hwa_mem */
[1] = PWRSTS_ON, /* sl2_mem */
[2] = PWRSTS_ON, /* tcm1_mem */
[3] = PWRSTS_ON, /* tcm2_mem */
},
.flags = PWRDM_HAS_LOWPOWERSTATECHANGE,
};
@ -253,10 +253,10 @@ static struct powerdomain cam_44xx_pwrdm = {
.pwrsts = PWRSTS_OFF_ON,
.banks = 1,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_OFF, /* cam_mem */
[0] = PWRSTS_OFF, /* cam_mem */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* cam_mem */
[0] = PWRSTS_ON, /* cam_mem */
},
.flags = PWRDM_HAS_LOWPOWERSTATECHANGE,
};
@ -271,10 +271,10 @@ static struct powerdomain l3init_44xx_pwrdm = {
.pwrsts_logic_ret = PWRSTS_OFF_RET,
.banks = 1,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_OFF, /* l3init_bank1 */
[0] = PWRSTS_OFF, /* l3init_bank1 */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* l3init_bank1 */
[0] = PWRSTS_ON, /* l3init_bank1 */
},
.flags = PWRDM_HAS_LOWPOWERSTATECHANGE,
};
@ -289,12 +289,12 @@ static struct powerdomain l4per_44xx_pwrdm = {
.pwrsts_logic_ret = PWRSTS_OFF_RET,
.banks = 2,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_OFF, /* nonretained_bank */
[1] = PWRDM_POWER_RET, /* retained_bank */
[0] = PWRSTS_OFF, /* nonretained_bank */
[1] = PWRSTS_RET, /* retained_bank */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* nonretained_bank */
[1] = PWRDM_POWER_ON, /* retained_bank */
[0] = PWRSTS_ON, /* nonretained_bank */
[1] = PWRSTS_ON, /* retained_bank */
},
.flags = PWRDM_HAS_LOWPOWERSTATECHANGE,
};

4
arch/arm/mach-omap2/prcm_mpu44xx.h
View File

@ -38,8 +38,8 @@
#define OMAP4430_PRCM_MPU_CPU1_INST 0x0800
/* PRCM_MPU clockdomain register offsets (from instance start) */
#define OMAP4430_PRCM_MPU_CPU0_MPU_CDOFFS 0x0018
#define OMAP4430_PRCM_MPU_CPU1_MPU_CDOFFS 0x0018
#define OMAP4430_PRCM_MPU_CPU0_CPU0_CDOFFS 0x0018
#define OMAP4430_PRCM_MPU_CPU1_CPU1_CDOFFS 0x0018
/*

18
arch/arm/mach-omap2/prm2xxx_3xxx.c
View File

@ -118,7 +118,8 @@ int omap2_prm_assert_hardreset(s16 prm_mod, u8 shift)
/**
* omap2_prm_deassert_hardreset - deassert a submodule hardreset line and wait
* @prm_mod: PRM submodule base (e.g. CORE_MOD)
* @shift: register bit shift corresponding to the reset line to deassert
* @rst_shift: register bit shift corresponding to the reset line to deassert
* @st_shift: register bit shift for the status of the deasserted submodule
*
* Some IPs like dsp or iva contain processors that require an HW
* reset line to be asserted / deasserted in order to fully enable the
@ -129,27 +130,28 @@ int omap2_prm_assert_hardreset(s16 prm_mod, u8 shift)
* -EINVAL upon an argument error, -EEXIST if the submodule was already out
* of reset, or -EBUSY if the submodule did not exit reset promptly.
*/
int omap2_prm_deassert_hardreset(s16 prm_mod, u8 shift)
int omap2_prm_deassert_hardreset(s16 prm_mod, u8 rst_shift, u8 st_shift)
{
u32 mask;
u32 rst, st;
int c;
if (!(cpu_is_omap24xx() || cpu_is_omap34xx()))
return -EINVAL;
mask = 1 << shift;
rst = 1 << rst_shift;
st = 1 << st_shift;
/* Check the current status to avoid de-asserting the line twice */
if (omap2_prm_read_mod_bits_shift(prm_mod, OMAP2_RM_RSTCTRL, mask) == 0)
if (omap2_prm_read_mod_bits_shift(prm_mod, OMAP2_RM_RSTCTRL, rst) == 0)
return -EEXIST;
/* Clear the reset status by writing 1 to the status bit */
omap2_prm_rmw_mod_reg_bits(0xffffffff, mask, prm_mod, OMAP2_RM_RSTST);
omap2_prm_rmw_mod_reg_bits(0xffffffff, st, prm_mod, OMAP2_RM_RSTST);
/* de-assert the reset control line */
omap2_prm_rmw_mod_reg_bits(mask, 0, prm_mod, OMAP2_RM_RSTCTRL);
omap2_prm_rmw_mod_reg_bits(rst, 0, prm_mod, OMAP2_RM_RSTCTRL);
/* wait the status to be set */
omap_test_timeout(omap2_prm_read_mod_bits_shift(prm_mod, OMAP2_RM_RSTST,
mask),
st),
MAX_MODULE_HARDRESET_WAIT, c);
return (c == MAX_MODULE_HARDRESET_WAIT) ? -EBUSY : 0;

5
arch/arm/mach-omap2/prm2xxx_3xxx.h
View File

@ -282,7 +282,8 @@ static inline int omap2_prm_assert_hardreset(s16 prm_mod, u8 shift)
"not suppose to be used on omap4\n");
return 0;
}
static inline int omap2_prm_deassert_hardreset(s16 prm_mod, u8 shift)
static inline int omap2_prm_deassert_hardreset(s16 prm_mod, u8 rst_shift,
u8 st_shift)
{
WARN(1, "prm: omap2xxx/omap3xxx specific function and "
"not suppose to be used on omap4\n");
@ -300,7 +301,7 @@ extern u32 omap2_prm_read_mod_bits_shift(s16 domain, s16 idx, u32 mask);
/* These omap2_ PRM functions apply to both OMAP2 and 3 */
extern int omap2_prm_is_hardreset_asserted(s16 prm_mod, u8 shift);
extern int omap2_prm_assert_hardreset(s16 prm_mod, u8 shift);
extern int omap2_prm_deassert_hardreset(s16 prm_mod, u8 shift);
extern int omap2_prm_deassert_hardreset(s16 prm_mod, u8 rst_shift, u8 st_shift);
#endif /* CONFIG_ARCH_OMAP4 */
#endif

2
arch/arm/mach-omap2/smartreflex-class3.c
View File

@ -11,7 +11,7 @@
* published by the Free Software Foundation.
*/
#include <plat/smartreflex.h>
#include "smartreflex.h"
static int sr_class3_enable(struct voltagedomain *voltdm)
{

2
arch/arm/mach-omap2/smartreflex.c
View File

@ -26,9 +26,9 @@
#include <linux/pm_runtime.h>
#include <plat/common.h>
#include <plat/smartreflex.h>
#include "pm.h"
#include "smartreflex.h"
#define SMARTREFLEX_NAME_LEN 16
#define NVALUE_NAME_LEN 40

3
arch/arm/plat-omap/include/plat/smartreflex.h → arch/arm/mach-omap2/smartreflex.h
View File

@ -21,7 +21,8 @@
#define __ASM_ARM_OMAP_SMARTREFLEX_H
#include <linux/platform_device.h>
#include <plat/voltage.h>
#include "voltage.h"
/*
* Different Smartreflex IPs version. The v1 is the 65nm version used in

4
arch/arm/mach-omap2/sr_device.c
View File

@ -23,9 +23,9 @@
#include <linux/io.h>
#include <plat/omap_device.h>
#include <plat/smartreflex.h>
#include <plat/voltage.h>
#include "smartreflex.h"
#include "voltage.h"
#include "control.h"
#include "pm.h"

83
arch/arm/mach-omap2/vc.h Normal file
View File

@ -0,0 +1,83 @@
/*
* OMAP3/4 Voltage Controller (VC) structure and macro definitions
*
* Copyright (C) 2007, 2010 Texas Instruments, Inc.
* Rajendra Nayak <rnayak@ti.com>
* Lesly A M <x0080970@ti.com>
* Thara Gopinath <thara@ti.com>
*
* Copyright (C) 2008, 2011 Nokia Corporation
* Kalle Jokiniemi
* Paul Walmsley
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 as published by the Free Software Foundation.
*/
#ifndef __ARCH_ARM_MACH_OMAP2_VC_H
#define __ARCH_ARM_MACH_OMAP2_VC_H
#include <linux/kernel.h>
/**
* struct omap_vc_common_data - per-VC register/bitfield data
* @cmd_on_mask: ON bitmask in PRM_VC_CMD_VAL* register
* @valid: VALID bitmask in PRM_VC_BYPASS_VAL register
* @smps_sa_reg: Offset of PRM_VC_SMPS_SA reg from PRM start
* @smps_volra_reg: Offset of PRM_VC_SMPS_VOL_RA reg from PRM start
* @bypass_val_reg: Offset of PRM_VC_BYPASS_VAL reg from PRM start
* @data_shift: DATA field shift in PRM_VC_BYPASS_VAL register
* @slaveaddr_shift: SLAVEADDR field shift in PRM_VC_BYPASS_VAL register
* @regaddr_shift: REGADDR field shift in PRM_VC_BYPASS_VAL register
* @cmd_on_shift: ON field shift in PRM_VC_CMD_VAL_* register
* @cmd_onlp_shift: ONLP field shift in PRM_VC_CMD_VAL_* register
* @cmd_ret_shift: RET field shift in PRM_VC_CMD_VAL_* register
* @cmd_off_shift: OFF field shift in PRM_VC_CMD_VAL_* register
*
* XXX One of cmd_on_mask and cmd_on_shift are not needed
* XXX VALID should probably be a shift, not a mask
*/
struct omap_vc_common_data {
u32 cmd_on_mask;
u32 valid;
u8 smps_sa_reg;
u8 smps_volra_reg;
u8 bypass_val_reg;
u8 data_shift;
u8 slaveaddr_shift;
u8 regaddr_shift;
u8 cmd_on_shift;
u8 cmd_onlp_shift;
u8 cmd_ret_shift;
u8 cmd_off_shift;
};
/**
* struct omap_vc_instance_data - VC per-instance data
* @vc_common: pointer to VC common data for this platform
* @smps_sa_mask: SA* bitmask in the PRM_VC_SMPS_SA register
* @smps_volra_mask: VOLRA* bitmask in the PRM_VC_VOL_RA register
* @smps_sa_shift: SA* field shift in the PRM_VC_SMPS_SA register
* @smps_volra_shift: VOLRA* field shift in the PRM_VC_VOL_RA register
*
* XXX It is not necessary to have both a *_mask and a *_shift -
* remove one
*/
struct omap_vc_instance_data {
const struct omap_vc_common_data *vc_common;
u32 smps_sa_mask;
u32 smps_volra_mask;
u8 cmdval_reg;
u8 smps_sa_shift;
u8 smps_volra_shift;
};
extern struct omap_vc_instance_data omap3_vc1_data;
extern struct omap_vc_instance_data omap3_vc2_data;
extern struct omap_vc_instance_data omap4_vc_mpu_data;
extern struct omap_vc_instance_data omap4_vc_iva_data;
extern struct omap_vc_instance_data omap4_vc_core_data;
#endif

63
arch/arm/mach-omap2/vc3xxx_data.c Normal file
View File

@ -0,0 +1,63 @@
/*
* OMAP3 Voltage Controller (VC) data
*
* Copyright (C) 2007, 2010 Texas Instruments, Inc.
* Rajendra Nayak <rnayak@ti.com>
* Lesly A M <x0080970@ti.com>
* Thara Gopinath <thara@ti.com>
*
* Copyright (C) 2008, 2011 Nokia Corporation
* Kalle Jokiniemi
* Paul Walmsley
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/io.h>
#include <linux/err.h>
#include <linux/init.h>
#include <plat/common.h>
#include "prm-regbits-34xx.h"
#include "voltage.h"
#include "vc.h"
/*
* VC data common to 34xx/36xx chips
* XXX This stuff presumably belongs in the vc3xxx.c or vc.c file.
*/
static struct omap_vc_common_data omap3_vc_common = {
.smps_sa_reg = OMAP3_PRM_VC_SMPS_SA_OFFSET,
.smps_volra_reg = OMAP3_PRM_VC_SMPS_VOL_RA_OFFSET,
.bypass_val_reg = OMAP3_PRM_VC_BYPASS_VAL_OFFSET,
.data_shift = OMAP3430_DATA_SHIFT,
.slaveaddr_shift = OMAP3430_SLAVEADDR_SHIFT,
.regaddr_shift = OMAP3430_REGADDR_SHIFT,
.valid = OMAP3430_VALID_MASK,
.cmd_on_shift = OMAP3430_VC_CMD_ON_SHIFT,
.cmd_on_mask = OMAP3430_VC_CMD_ON_MASK,
.cmd_onlp_shift = OMAP3430_VC_CMD_ONLP_SHIFT,
.cmd_ret_shift = OMAP3430_VC_CMD_RET_SHIFT,
.cmd_off_shift = OMAP3430_VC_CMD_OFF_SHIFT,
};
struct omap_vc_instance_data omap3_vc1_data = {
.vc_common = &omap3_vc_common,
.cmdval_reg = OMAP3_PRM_VC_CMD_VAL_0_OFFSET,
.smps_sa_shift = OMAP3430_PRM_VC_SMPS_SA_SA0_SHIFT,
.smps_sa_mask = OMAP3430_PRM_VC_SMPS_SA_SA0_MASK,
.smps_volra_shift = OMAP3430_VOLRA0_SHIFT,
.smps_volra_mask = OMAP3430_VOLRA0_MASK,
};
struct omap_vc_instance_data omap3_vc2_data = {
.vc_common = &omap3_vc_common,
.cmdval_reg = OMAP3_PRM_VC_CMD_VAL_1_OFFSET,
.smps_sa_shift = OMAP3430_PRM_VC_SMPS_SA_SA1_SHIFT,
.smps_sa_mask = OMAP3430_PRM_VC_SMPS_SA_SA1_MASK,
.smps_volra_shift = OMAP3430_VOLRA1_SHIFT,
.smps_volra_mask = OMAP3430_VOLRA1_MASK,
};

75
arch/arm/mach-omap2/vc44xx_data.c Normal file
View File

@ -0,0 +1,75 @@
/*
* OMAP4 Voltage Controller (VC) data
*
* Copyright (C) 2007, 2010 Texas Instruments, Inc.
* Rajendra Nayak <rnayak@ti.com>
* Lesly A M <x0080970@ti.com>
* Thara Gopinath <thara@ti.com>
*
* Copyright (C) 2008, 2011 Nokia Corporation
* Kalle Jokiniemi
* Paul Walmsley
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/io.h>
#include <linux/err.h>
#include <linux/init.h>
#include <plat/common.h>
#include "prm44xx.h"
#include "prm-regbits-44xx.h"
#include "voltage.h"
#include "vc.h"
/*
* VC data common to 44xx chips
* XXX This stuff presumably belongs in the vc3xxx.c or vc.c file.
*/
static const struct omap_vc_common_data omap4_vc_common = {
.smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET,
.smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET,
.bypass_val_reg = OMAP4_PRM_VC_VAL_BYPASS_OFFSET,
.data_shift = OMAP4430_DATA_SHIFT,
.slaveaddr_shift = OMAP4430_SLAVEADDR_SHIFT,
.regaddr_shift = OMAP4430_REGADDR_SHIFT,
.valid = OMAP4430_VALID_MASK,
.cmd_on_shift = OMAP4430_ON_SHIFT,
.cmd_on_mask = OMAP4430_ON_MASK,
.cmd_onlp_shift = OMAP4430_ONLP_SHIFT,
.cmd_ret_shift = OMAP4430_RET_SHIFT,
.cmd_off_shift = OMAP4430_OFF_SHIFT,
};
/* VC instance data for each controllable voltage line */
struct omap_vc_instance_data omap4_vc_mpu_data = {
.vc_common = &omap4_vc_common,
.cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_MPU_L_OFFSET,
.smps_sa_shift = OMAP4430_SA_VDD_MPU_L_PRM_VC_SMPS_SA_SHIFT,
.smps_sa_mask = OMAP4430_SA_VDD_MPU_L_PRM_VC_SMPS_SA_MASK,
.smps_volra_shift = OMAP4430_VOLRA_VDD_MPU_L_SHIFT,
.smps_volra_mask = OMAP4430_VOLRA_VDD_MPU_L_MASK,
};
struct omap_vc_instance_data omap4_vc_iva_data = {
.vc_common = &omap4_vc_common,
.cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_IVA_L_OFFSET,
.smps_sa_shift = OMAP4430_SA_VDD_IVA_L_PRM_VC_SMPS_SA_SHIFT,
.smps_sa_mask = OMAP4430_SA_VDD_IVA_L_PRM_VC_SMPS_SA_MASK,
.smps_volra_shift = OMAP4430_VOLRA_VDD_IVA_L_SHIFT,
.smps_volra_mask = OMAP4430_VOLRA_VDD_IVA_L_MASK,
};
struct omap_vc_instance_data omap4_vc_core_data = {
.vc_common = &omap4_vc_common,
.cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_CORE_L_OFFSET,
.smps_sa_shift = OMAP4430_SA_VDD_CORE_L_0_6_SHIFT,
.smps_sa_mask = OMAP4430_SA_VDD_CORE_L_0_6_MASK,
.smps_volra_shift = OMAP4430_VOLRA_VDD_CORE_L_SHIFT,
.smps_volra_mask = OMAP4430_VOLRA_VDD_CORE_L_MASK,
};

1026
arch/arm/mach-omap2/voltage.c
View File

File diff suppressed because it is too large Load Diff

89
arch/arm/plat-omap/include/plat/voltage.h → arch/arm/mach-omap2/voltage.h
View File

@ -16,6 +16,10 @@
#include <linux/err.h>
#include "vc.h"
#include "vp.h"
/* XXX document */
#define VOLTSCALE_VPFORCEUPDATE 1
#define VOLTSCALE_VCBYPASS 2
@ -27,36 +31,22 @@
#define OMAP3_VOLTOFFSET 0xff
#define OMAP3_VOLTSETUP2 0xff
/* Voltage value defines */
#define OMAP3430_VDD_MPU_OPP1_UV 975000
#define OMAP3430_VDD_MPU_OPP2_UV 1075000
#define OMAP3430_VDD_MPU_OPP3_UV 1200000
#define OMAP3430_VDD_MPU_OPP4_UV 1270000
#define OMAP3430_VDD_MPU_OPP5_UV 1350000
#define OMAP3430_VDD_CORE_OPP1_UV 975000
#define OMAP3430_VDD_CORE_OPP2_UV 1050000
#define OMAP3430_VDD_CORE_OPP3_UV 1150000
#define OMAP3630_VDD_MPU_OPP50_UV 1012500
#define OMAP3630_VDD_MPU_OPP100_UV 1200000
#define OMAP3630_VDD_MPU_OPP120_UV 1325000
#define OMAP3630_VDD_MPU_OPP1G_UV 1375000
#define OMAP3630_VDD_CORE_OPP50_UV 1000000
#define OMAP3630_VDD_CORE_OPP100_UV 1200000
#define OMAP4430_VDD_MPU_OPP50_UV 930000
#define OMAP4430_VDD_MPU_OPP100_UV 1100000
#define OMAP4430_VDD_MPU_OPPTURBO_UV 1260000
#define OMAP4430_VDD_MPU_OPPNITRO_UV 1350000
#define OMAP4430_VDD_IVA_OPP50_UV 930000
#define OMAP4430_VDD_IVA_OPP100_UV 1100000
#define OMAP4430_VDD_IVA_OPPTURBO_UV 1260000
#define OMAP4430_VDD_CORE_OPP50_UV 930000
#define OMAP4430_VDD_CORE_OPP100_UV 1100000
/**
* struct omap_vfsm_instance_data - per-voltage manager FSM register/bitfield
* data
* @voltsetup_mask: SETUP_TIME* bitmask in the PRM_VOLTSETUP* register
* @voltsetup_reg: register offset of PRM_VOLTSETUP from PRM base
* @voltsetup_shift: SETUP_TIME* field shift in the PRM_VOLTSETUP* register
*
* XXX What about VOLTOFFSET/VOLTCTRL?
* XXX It is not necessary to have both a _mask and a _shift for the same
* bitfield - remove one!
*/
struct omap_vfsm_instance_data {
u32 voltsetup_mask;
u8 voltsetup_reg;
u8 voltsetup_shift;
};
/**
* struct voltagedomain - omap voltage domain global structure.
@ -113,6 +103,42 @@ struct omap_volt_pmic_info {
u8 (*uv_to_vsel) (unsigned long uV);
};
/**
* omap_vdd_info - Per Voltage Domain info
*
* @volt_data : voltage table having the distinct voltages supported
* by the domain and other associated per voltage data.
* @pmic_info : pmic specific parameters which should be populted by
* the pmic drivers.
* @vp_data : the register values, shifts, masks for various
* vp registers
* @vp_rt_data : VP data derived at runtime, not predefined
* @vc_data : structure containing various various vc registers,
* shifts, masks etc.
* @vfsm : voltage manager FSM data
* @voltdm : pointer to the voltage domain structure
* @debug_dir : debug directory for this voltage domain.
* @curr_volt : current voltage for this vdd.
* @vp_enabled : flag to keep track of whether vp is enabled or not
* @volt_scale : API to scale the voltage of the vdd.
*/
struct omap_vdd_info {
struct omap_volt_data *volt_data;
struct omap_volt_pmic_info *pmic_info;
struct omap_vp_instance_data *vp_data;
struct omap_vp_runtime_data vp_rt_data;
struct omap_vc_instance_data *vc_data;
const struct omap_vfsm_instance_data *vfsm;
struct voltagedomain voltdm;
struct dentry *debug_dir;
u32 curr_volt;
bool vp_enabled;
u32 (*read_reg) (u16 mod, u8 offset);
void (*write_reg) (u32 val, u16 mod, u8 offset);
int (*volt_scale) (struct omap_vdd_info *vdd,
unsigned long target_volt);
};
unsigned long omap_vp_get_curr_volt(struct voltagedomain *voltdm);
void omap_vp_enable(struct voltagedomain *voltdm);
void omap_vp_disable(struct voltagedomain *voltdm);
@ -125,6 +151,9 @@ struct omap_volt_data *omap_voltage_get_voltdata(struct voltagedomain *voltdm,
unsigned long volt);
unsigned long omap_voltage_get_nom_volt(struct voltagedomain *voltdm);
struct dentry *omap_voltage_get_dbgdir(struct voltagedomain *voltdm);
int __init omap_voltage_early_init(s16 prm_mod, s16 prm_irqst_mod,
struct omap_vdd_info *omap_vdd_array[],
u8 omap_vdd_count);
#ifdef CONFIG_PM
int omap_voltage_register_pmic(struct voltagedomain *voltdm,
struct omap_volt_pmic_info *pmic_info);

95
arch/arm/mach-omap2/voltagedomains3xxx_data.c Normal file
View File

@ -0,0 +1,95 @@
/*
* OMAP3 voltage domain data
*
* Copyright (C) 2007, 2010 Texas Instruments, Inc.
* Rajendra Nayak <rnayak@ti.com>
* Lesly A M <x0080970@ti.com>
* Thara Gopinath <thara@ti.com>
*
* Copyright (C) 2008, 2011 Nokia Corporation
* Kalle Jokiniemi
* Paul Walmsley
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/err.h>
#include <linux/init.h>
#include <plat/common.h>
#include <plat/cpu.h>
#include "prm-regbits-34xx.h"
#include "omap_opp_data.h"
#include "voltage.h"
#include "vc.h"
#include "vp.h"
/*
* VDD data
*/
static const struct omap_vfsm_instance_data omap3_vdd1_vfsm_data = {
.voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET,
.voltsetup_shift = OMAP3430_SETUP_TIME1_SHIFT,
.voltsetup_mask = OMAP3430_SETUP_TIME1_MASK,
};
static struct omap_vdd_info omap3_vdd1_info = {
.vp_data = &omap3_vp1_data,
.vc_data = &omap3_vc1_data,
.vfsm = &omap3_vdd1_vfsm_data,
.voltdm = {
.name = "mpu",
},
};
static const struct omap_vfsm_instance_data omap3_vdd2_vfsm_data = {
.voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET,
.voltsetup_shift = OMAP3430_SETUP_TIME2_SHIFT,
.voltsetup_mask = OMAP3430_SETUP_TIME2_MASK,
};
static struct omap_vdd_info omap3_vdd2_info = {
.vp_data = &omap3_vp2_data,
.vc_data = &omap3_vc2_data,
.vfsm = &omap3_vdd2_vfsm_data,
.voltdm = {
.name = "core",
},
};
/* OMAP3 VDD structures */
static struct omap_vdd_info *omap3_vdd_info[] = {
&omap3_vdd1_info,
&omap3_vdd2_info,
};
/* OMAP3 specific voltage init functions */
static int __init omap3xxx_voltage_early_init(void)
{
s16 prm_mod = OMAP3430_GR_MOD;
s16 prm_irqst_ocp_mod = OCP_MOD;
if (!cpu_is_omap34xx())
return 0;
/*
* XXX Will depend on the process, validation, and binning
* for the currently-running IC
*/
if (cpu_is_omap3630()) {
omap3_vdd1_info.volt_data = omap36xx_vddmpu_volt_data;
omap3_vdd2_info.volt_data = omap36xx_vddcore_volt_data;
} else {
omap3_vdd1_info.volt_data = omap34xx_vddmpu_volt_data;
omap3_vdd2_info.volt_data = omap34xx_vddcore_volt_data;
}
return omap_voltage_early_init(prm_mod, prm_irqst_ocp_mod,
omap3_vdd_info,
ARRAY_SIZE(omap3_vdd_info));
};
core_initcall(omap3xxx_voltage_early_init);

102
arch/arm/mach-omap2/voltagedomains44xx_data.c Normal file
View File

@ -0,0 +1,102 @@
/*
* OMAP3/OMAP4 Voltage Management Routines
*
* Author: Thara Gopinath <thara@ti.com>
*
* Copyright (C) 2007 Texas Instruments, Inc.
* Rajendra Nayak <rnayak@ti.com>
* Lesly A M <x0080970@ti.com>
*
* Copyright (C) 2008 Nokia Corporation
* Kalle Jokiniemi
*
* Copyright (C) 2010 Texas Instruments, Inc.
* Thara Gopinath <thara@ti.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/err.h>
#include <linux/init.h>
#include <plat/common.h>
#include "prm-regbits-44xx.h"
#include "prm44xx.h"
#include "prcm44xx.h"
#include "prminst44xx.h"
#include "voltage.h"
#include "omap_opp_data.h"
#include "vc.h"
#include "vp.h"
static const struct omap_vfsm_instance_data omap4_vdd_mpu_vfsm_data = {
.voltsetup_reg = OMAP4_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET,
};
static struct omap_vdd_info omap4_vdd_mpu_info = {
.vp_data = &omap4_vp_mpu_data,
.vc_data = &omap4_vc_mpu_data,
.vfsm = &omap4_vdd_mpu_vfsm_data,
.voltdm = {
.name = "mpu",
},
};
static const struct omap_vfsm_instance_data omap4_vdd_iva_vfsm_data = {
.voltsetup_reg = OMAP4_PRM_VOLTSETUP_IVA_RET_SLEEP_OFFSET,
};
static struct omap_vdd_info omap4_vdd_iva_info = {
.vp_data = &omap4_vp_iva_data,
.vc_data = &omap4_vc_iva_data,
.vfsm = &omap4_vdd_iva_vfsm_data,
.voltdm = {
.name = "iva",
},
};
static const struct omap_vfsm_instance_data omap4_vdd_core_vfsm_data = {
.voltsetup_reg = OMAP4_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET,
};
static struct omap_vdd_info omap4_vdd_core_info = {
.vp_data = &omap4_vp_core_data,
.vc_data = &omap4_vc_core_data,
.vfsm = &omap4_vdd_core_vfsm_data,
.voltdm = {
.name = "core",
},
};
/* OMAP4 VDD structures */
static struct omap_vdd_info *omap4_vdd_info[] = {
&omap4_vdd_mpu_info,
&omap4_vdd_iva_info,
&omap4_vdd_core_info,
};
/* OMAP4 specific voltage init functions */
static int __init omap44xx_voltage_early_init(void)
{
s16 prm_mod = OMAP4430_PRM_DEVICE_INST;
s16 prm_irqst_ocp_mod = OMAP4430_PRM_OCP_SOCKET_INST;
if (!cpu_is_omap44xx())
return 0;
/*
* XXX Will depend on the process, validation, and binning
* for the currently-running IC
*/
omap4_vdd_mpu_info.volt_data = omap44xx_vdd_mpu_volt_data;
omap4_vdd_iva_info.volt_data = omap44xx_vdd_iva_volt_data;
omap4_vdd_core_info.volt_data = omap44xx_vdd_core_volt_data;
return omap_voltage_early_init(prm_mod, prm_irqst_ocp_mod,
omap4_vdd_info,
ARRAY_SIZE(omap4_vdd_info));
};
core_initcall(omap44xx_voltage_early_init);

143
arch/arm/mach-omap2/vp.h Normal file
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@ -0,0 +1,143 @@
/*
* OMAP3/4 Voltage Processor (VP) structure and macro definitions
*
* Copyright (C) 2007, 2010 Texas Instruments, Inc.
* Rajendra Nayak <rnayak@ti.com>
* Lesly A M <x0080970@ti.com>
* Thara Gopinath <thara@ti.com>
*
* Copyright (C) 2008, 2011 Nokia Corporation
* Kalle Jokiniemi
* Paul Walmsley
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 as published by the Free Software Foundation.
*/
#ifndef __ARCH_ARM_MACH_OMAP2_VP_H
#define __ARCH_ARM_MACH_OMAP2_VP_H
#include <linux/kernel.h>
/* XXX document */
#define VP_IDLE_TIMEOUT 200
#define VP_TRANXDONE_TIMEOUT 300
/**
* struct omap_vp_common_data - register data common to all VDDs
* @vpconfig_errorgain_mask: ERRORGAIN bitmask in the PRM_VP*_CONFIG reg
* @vpconfig_initvoltage_mask: INITVOLTAGE bitmask in the PRM_VP*_CONFIG reg
* @vpconfig_timeouten_mask: TIMEOUT bitmask in the PRM_VP*_CONFIG reg
* @vpconfig_initvdd: INITVDD bitmask in the PRM_VP*_CONFIG reg
* @vpconfig_forceupdate: FORCEUPDATE bitmask in the PRM_VP*_CONFIG reg
* @vpconfig_vpenable: VPENABLE bitmask in the PRM_VP*_CONFIG reg
* @vpconfig_erroroffset_shift: ERROROFFSET field shift in PRM_VP*_CONFIG reg
* @vpconfig_errorgain_shift: ERRORGAIN field shift in PRM_VP*_CONFIG reg
* @vpconfig_initvoltage_shift: INITVOLTAGE field shift in PRM_VP*_CONFIG reg
* @vpconfig_stepmin_shift: VSTEPMIN field shift in the PRM_VP*_VSTEPMIN reg
* @vpconfig_smpswaittimemin_shift: SMPSWAITTIMEMIN field shift in PRM_VP*_VSTEPMIN reg
* @vpconfig_stepmax_shift: VSTEPMAX field shift in the PRM_VP*_VSTEPMAX reg
* @vpconfig_smpswaittimemax_shift: SMPSWAITTIMEMAX field shift in PRM_VP*_VSTEPMAX reg
* @vpconfig_vlimitto_vddmin_shift: VDDMIN field shift in PRM_VP*_VLIMITTO reg
* @vpconfig_vlimitto_vddmax_shift: VDDMAX field shift in PRM_VP*_VLIMITTO reg
* @vpconfig_vlimitto_timeout_shift: TIMEOUT field shift in PRM_VP*_VLIMITTO reg
*
* XXX It it not necessary to have both a mask and a shift for the same
* bitfield - remove one
* XXX Many of these fields are wrongly named -- e.g., vpconfig_smps* -- fix!
*/
struct omap_vp_common_data {
u32 vpconfig_errorgain_mask;
u32 vpconfig_initvoltage_mask;
u32 vpconfig_timeouten;
u32 vpconfig_initvdd;
u32 vpconfig_forceupdate;
u32 vpconfig_vpenable;
u8 vpconfig_erroroffset_shift;
u8 vpconfig_errorgain_shift;
u8 vpconfig_initvoltage_shift;
u8 vstepmin_stepmin_shift;
u8 vstepmin_smpswaittimemin_shift;
u8 vstepmax_stepmax_shift;
u8 vstepmax_smpswaittimemax_shift;
u8 vlimitto_vddmin_shift;
u8 vlimitto_vddmax_shift;
u8 vlimitto_timeout_shift;
};
/**
* struct omap_vp_prm_irqst_data - PRM_IRQSTATUS_MPU.VP_TRANXDONE_ST data
* @prm_irqst_reg: reg offset for PRM_IRQSTATUS_MPU from top of PRM
* @tranxdone_status: VP_TRANXDONE_ST bitmask in PRM_IRQSTATUS_MPU reg
*
* XXX prm_irqst_reg does not belong here
* XXX Note that on OMAP3, VP_TRANXDONE interrupt may not work due to a
* hardware bug
* XXX This structure is probably not needed
*/
struct omap_vp_prm_irqst_data {
u8 prm_irqst_reg;
u32 tranxdone_status;
};
/**
* struct omap_vp_instance_data - VP register offsets (per-VDD)
* @vp_common: pointer to struct omap_vp_common_data * for this SoC
* @prm_irqst_data: pointer to struct omap_vp_prm_irqst_data for this VDD
* @vpconfig: PRM_VP*_CONFIG reg offset from PRM start
* @vstepmin: PRM_VP*_VSTEPMIN reg offset from PRM start
* @vlimitto: PRM_VP*_VLIMITTO reg offset from PRM start
* @vstatus: PRM_VP*_VSTATUS reg offset from PRM start
* @voltage: PRM_VP*_VOLTAGE reg offset from PRM start
*
* XXX vp_common is probably not needed since it is per-SoC
*/
struct omap_vp_instance_data {
const struct omap_vp_common_data *vp_common;
const struct omap_vp_prm_irqst_data *prm_irqst_data;
u8 vpconfig;
u8 vstepmin;
u8 vstepmax;
u8 vlimitto;
u8 vstatus;
u8 voltage;
};
/**
* struct omap_vp_runtime_data - VP data populated at runtime by code
* @vpconfig_erroroffset: value of ERROROFFSET bitfield in PRM_VP*_CONFIG
* @vpconfig_errorgain: value of ERRORGAIN bitfield in PRM_VP*_CONFIG
* @vstepmin_smpswaittimemin: value of SMPSWAITTIMEMIN bitfield in PRM_VP*_VSTEPMIN
* @vstepmax_smpswaittimemax: value of SMPSWAITTIMEMAX bitfield in PRM_VP*_VSTEPMAX
* @vlimitto_timeout: value of TIMEOUT bitfield in PRM_VP*_VLIMITTO
* @vstepmin_stepmin: value of VSTEPMIN bitfield in PRM_VP*_VSTEPMIN
* @vstepmax_stepmax: value of VSTEPMAX bitfield in PRM_VP*_VSTEPMAX
* @vlimitto_vddmin: value of VDDMIN bitfield in PRM_VP*_VLIMITTO
* @vlimitto_vddmax: value of VDDMAX bitfield in PRM_VP*_VLIMITTO
*
* XXX Is this structure really needed? Why not just program the
* device directly? They are in PRM space, therefore in the WKUP
* powerdomain, so register contents should not be lost in off-mode.
* XXX Some of these fields are incorrectly named, e.g., vstep*
*/
struct omap_vp_runtime_data {
u32 vpconfig_erroroffset;
u16 vpconfig_errorgain;
u16 vstepmin_smpswaittimemin;
u16 vstepmax_smpswaittimemax;
u16 vlimitto_timeout;
u8 vstepmin_stepmin;
u8 vstepmax_stepmax;
u8 vlimitto_vddmin;
u8 vlimitto_vddmax;
};
extern struct omap_vp_instance_data omap3_vp1_data;
extern struct omap_vp_instance_data omap3_vp2_data;
extern struct omap_vp_instance_data omap4_vp_mpu_data;
extern struct omap_vp_instance_data omap4_vp_iva_data;
extern struct omap_vp_instance_data omap4_vp_core_data;
#endif

82
arch/arm/mach-omap2/vp3xxx_data.c Normal file
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@ -0,0 +1,82 @@
/*
* OMAP3 Voltage Processor (VP) data
*
* Copyright (C) 2007, 2010 Texas Instruments, Inc.
* Rajendra Nayak <rnayak@ti.com>
* Lesly A M <x0080970@ti.com>
* Thara Gopinath <thara@ti.com>
*
* Copyright (C) 2008, 2011 Nokia Corporation
* Kalle Jokiniemi
* Paul Walmsley
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/io.h>
#include <linux/err.h>
#include <linux/init.h>
#include <plat/common.h>
#include "prm-regbits-34xx.h"
#include "voltage.h"
#include "vp.h"
/*
* VP data common to 34xx/36xx chips
* XXX This stuff presumably belongs in the vp3xxx.c or vp.c file.
*/
static const struct omap_vp_common_data omap3_vp_common = {
.vpconfig_erroroffset_shift = OMAP3430_ERROROFFSET_SHIFT,
.vpconfig_errorgain_mask = OMAP3430_ERRORGAIN_MASK,
.vpconfig_errorgain_shift = OMAP3430_ERRORGAIN_SHIFT,
.vpconfig_initvoltage_shift = OMAP3430_INITVOLTAGE_SHIFT,
.vpconfig_initvoltage_mask = OMAP3430_INITVOLTAGE_MASK,
.vpconfig_timeouten = OMAP3430_TIMEOUTEN_MASK,
.vpconfig_initvdd = OMAP3430_INITVDD_MASK,
.vpconfig_forceupdate = OMAP3430_FORCEUPDATE_MASK,
.vpconfig_vpenable = OMAP3430_VPENABLE_MASK,
.vstepmin_smpswaittimemin_shift = OMAP3430_SMPSWAITTIMEMIN_SHIFT,
.vstepmax_smpswaittimemax_shift = OMAP3430_SMPSWAITTIMEMAX_SHIFT,
.vstepmin_stepmin_shift = OMAP3430_VSTEPMIN_SHIFT,
.vstepmax_stepmax_shift = OMAP3430_VSTEPMAX_SHIFT,
.vlimitto_vddmin_shift = OMAP3430_VDDMIN_SHIFT,
.vlimitto_vddmax_shift = OMAP3430_VDDMAX_SHIFT,
.vlimitto_timeout_shift = OMAP3430_TIMEOUT_SHIFT,
};
static const struct omap_vp_prm_irqst_data omap3_vp1_prm_irqst_data = {
.prm_irqst_reg = OMAP3_PRM_IRQSTATUS_MPU_OFFSET,
.tranxdone_status = OMAP3430_VP1_TRANXDONE_ST_MASK,
};
struct omap_vp_instance_data omap3_vp1_data = {
.vp_common = &omap3_vp_common,
.vpconfig = OMAP3_PRM_VP1_CONFIG_OFFSET,
.vstepmin = OMAP3_PRM_VP1_VSTEPMIN_OFFSET,
.vstepmax = OMAP3_PRM_VP1_VSTEPMAX_OFFSET,
.vlimitto = OMAP3_PRM_VP1_VLIMITTO_OFFSET,
.vstatus = OMAP3_PRM_VP1_STATUS_OFFSET,
.voltage = OMAP3_PRM_VP1_VOLTAGE_OFFSET,
.prm_irqst_data = &omap3_vp1_prm_irqst_data,
};
static const struct omap_vp_prm_irqst_data omap3_vp2_prm_irqst_data = {
.prm_irqst_reg = OMAP3_PRM_IRQSTATUS_MPU_OFFSET,
.tranxdone_status = OMAP3430_VP2_TRANXDONE_ST_MASK,
};
struct omap_vp_instance_data omap3_vp2_data = {
.vp_common = &omap3_vp_common,
.vpconfig = OMAP3_PRM_VP2_CONFIG_OFFSET,
.vstepmin = OMAP3_PRM_VP2_VSTEPMIN_OFFSET,
.vstepmax = OMAP3_PRM_VP2_VSTEPMAX_OFFSET,
.vlimitto = OMAP3_PRM_VP2_VLIMITTO_OFFSET,
.vstatus = OMAP3_PRM_VP2_STATUS_OFFSET,
.voltage = OMAP3_PRM_VP2_VOLTAGE_OFFSET,
.prm_irqst_data = &omap3_vp2_prm_irqst_data,
};

100
arch/arm/mach-omap2/vp44xx_data.c Normal file
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@ -0,0 +1,100 @@
/*
* OMAP3 Voltage Processor (VP) data
*
* Copyright (C) 2007, 2010 Texas Instruments, Inc.
* Rajendra Nayak <rnayak@ti.com>
* Lesly A M <x0080970@ti.com>
* Thara Gopinath <thara@ti.com>
*
* Copyright (C) 2008, 2011 Nokia Corporation
* Kalle Jokiniemi
* Paul Walmsley
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/io.h>
#include <linux/err.h>
#include <linux/init.h>
#include <plat/common.h>
#include "prm44xx.h"
#include "prm-regbits-44xx.h"
#include "voltage.h"
#include "vp.h"
/*
* VP data common to 44xx chips
* XXX This stuff presumably belongs in the vp44xx.c or vp.c file.
*/
static const struct omap_vp_common_data omap4_vp_common = {
.vpconfig_erroroffset_shift = OMAP4430_ERROROFFSET_SHIFT,
.vpconfig_errorgain_mask = OMAP4430_ERRORGAIN_MASK,
.vpconfig_errorgain_shift = OMAP4430_ERRORGAIN_SHIFT,
.vpconfig_initvoltage_shift = OMAP4430_INITVOLTAGE_SHIFT,
.vpconfig_initvoltage_mask = OMAP4430_INITVOLTAGE_MASK,
.vpconfig_timeouten = OMAP4430_TIMEOUTEN_MASK,
.vpconfig_initvdd = OMAP4430_INITVDD_MASK,
.vpconfig_forceupdate = OMAP4430_FORCEUPDATE_MASK,
.vpconfig_vpenable = OMAP4430_VPENABLE_MASK,
.vstepmin_smpswaittimemin_shift = OMAP4430_SMPSWAITTIMEMIN_SHIFT,
.vstepmax_smpswaittimemax_shift = OMAP4430_SMPSWAITTIMEMAX_SHIFT,
.vstepmin_stepmin_shift = OMAP4430_VSTEPMIN_SHIFT,
.vstepmax_stepmax_shift = OMAP4430_VSTEPMAX_SHIFT,
.vlimitto_vddmin_shift = OMAP4430_VDDMIN_SHIFT,
.vlimitto_vddmax_shift = OMAP4430_VDDMAX_SHIFT,
.vlimitto_timeout_shift = OMAP4430_TIMEOUT_SHIFT,
};
static const struct omap_vp_prm_irqst_data omap4_vp_mpu_prm_irqst_data = {
.prm_irqst_reg = OMAP4_PRM_IRQSTATUS_MPU_2_OFFSET,
.tranxdone_status = OMAP4430_VP_MPU_TRANXDONE_ST_MASK,
};
struct omap_vp_instance_data omap4_vp_mpu_data = {
.vp_common = &omap4_vp_common,
.vpconfig = OMAP4_PRM_VP_MPU_CONFIG_OFFSET,
.vstepmin = OMAP4_PRM_VP_MPU_VSTEPMIN_OFFSET,
.vstepmax = OMAP4_PRM_VP_MPU_VSTEPMAX_OFFSET,
.vlimitto = OMAP4_PRM_VP_MPU_VLIMITTO_OFFSET,
.vstatus = OMAP4_PRM_VP_MPU_STATUS_OFFSET,
.voltage = OMAP4_PRM_VP_MPU_VOLTAGE_OFFSET,
.prm_irqst_data = &omap4_vp_mpu_prm_irqst_data,
};
static const struct omap_vp_prm_irqst_data omap4_vp_iva_prm_irqst_data = {
.prm_irqst_reg = OMAP4_PRM_IRQSTATUS_MPU_OFFSET,
.tranxdone_status = OMAP4430_VP_IVA_TRANXDONE_ST_MASK,
};
struct omap_vp_instance_data omap4_vp_iva_data = {
.vp_common = &omap4_vp_common,
.vpconfig = OMAP4_PRM_VP_IVA_CONFIG_OFFSET,
.vstepmin = OMAP4_PRM_VP_IVA_VSTEPMIN_OFFSET,
.vstepmax = OMAP4_PRM_VP_IVA_VSTEPMAX_OFFSET,
.vlimitto = OMAP4_PRM_VP_IVA_VLIMITTO_OFFSET,
.vstatus = OMAP4_PRM_VP_IVA_STATUS_OFFSET,
.voltage = OMAP4_PRM_VP_IVA_VOLTAGE_OFFSET,
.prm_irqst_data = &omap4_vp_iva_prm_irqst_data,
};
static const struct omap_vp_prm_irqst_data omap4_vp_core_prm_irqst_data = {
.prm_irqst_reg = OMAP4_PRM_IRQSTATUS_MPU_OFFSET,
.tranxdone_status = OMAP4430_VP_CORE_TRANXDONE_ST_MASK,
};
struct omap_vp_instance_data omap4_vp_core_data = {
.vp_common = &omap4_vp_common,
.vpconfig = OMAP4_PRM_VP_CORE_CONFIG_OFFSET,
.vstepmin = OMAP4_PRM_VP_CORE_VSTEPMIN_OFFSET,
.vstepmax = OMAP4_PRM_VP_CORE_VSTEPMAX_OFFSET,
.vlimitto = OMAP4_PRM_VP_CORE_VLIMITTO_OFFSET,
.vstatus = OMAP4_PRM_VP_CORE_STATUS_OFFSET,
.voltage = OMAP4_PRM_VP_CORE_VOLTAGE_OFFSET,
.prm_irqst_data = &omap4_vp_core_prm_irqst_data,
};

99
arch/arm/plat-omap/clock.c
View File

@ -37,14 +37,16 @@ static struct clk_functions *arch_clock;
int clk_enable(struct clk *clk)
{
unsigned long flags;
int ret = 0;
int ret;
if (clk == NULL || IS_ERR(clk))
return -EINVAL;
if (!arch_clock || !arch_clock->clk_enable)
return -EINVAL;
spin_lock_irqsave(&clockfw_lock, flags);
if (arch_clock->clk_enable)
ret = arch_clock->clk_enable(clk);
ret = arch_clock->clk_enable(clk);
spin_unlock_irqrestore(&clockfw_lock, flags);
return ret;
@ -58,6 +60,9 @@ void clk_disable(struct clk *clk)
if (clk == NULL || IS_ERR(clk))
return;
if (!arch_clock || !arch_clock->clk_disable)
return;
spin_lock_irqsave(&clockfw_lock, flags);
if (clk->usecount == 0) {
pr_err("Trying disable clock %s with 0 usecount\n",
@ -66,8 +71,7 @@ void clk_disable(struct clk *clk)
goto out;
}
if (arch_clock->clk_disable)
arch_clock->clk_disable(clk);
arch_clock->clk_disable(clk);
out:
spin_unlock_irqrestore(&clockfw_lock, flags);
@ -77,7 +81,7 @@ EXPORT_SYMBOL(clk_disable);
unsigned long clk_get_rate(struct clk *clk)
{
unsigned long flags;
unsigned long ret = 0;
unsigned long ret;
if (clk == NULL || IS_ERR(clk))
return 0;
@ -97,14 +101,16 @@ EXPORT_SYMBOL(clk_get_rate);
long clk_round_rate(struct clk *clk, unsigned long rate)
{
unsigned long flags;
long ret = 0;
long ret;
if (clk == NULL || IS_ERR(clk))
return ret;
return 0;
if (!arch_clock || !arch_clock->clk_round_rate)
return 0;
spin_lock_irqsave(&clockfw_lock, flags);
if (arch_clock->clk_round_rate)
ret = arch_clock->clk_round_rate(clk, rate);
ret = arch_clock->clk_round_rate(clk, rate);
spin_unlock_irqrestore(&clockfw_lock, flags);
return ret;
@ -119,14 +125,13 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
if (clk == NULL || IS_ERR(clk))
return ret;
if (!arch_clock || !arch_clock->clk_set_rate)
return ret;
spin_lock_irqsave(&clockfw_lock, flags);
if (arch_clock->clk_set_rate)
ret = arch_clock->clk_set_rate(clk, rate);
if (ret == 0) {
if (clk->recalc)
clk->rate = clk->recalc(clk);
ret = arch_clock->clk_set_rate(clk, rate);
if (ret == 0)
propagate_rate(clk);
}
spin_unlock_irqrestore(&clockfw_lock, flags);
return ret;
@ -141,15 +146,14 @@ int clk_set_parent(struct clk *clk, struct clk *parent)
if (clk == NULL || IS_ERR(clk) || parent == NULL || IS_ERR(parent))
return ret;
if (!arch_clock || !arch_clock->clk_set_parent)
return ret;
spin_lock_irqsave(&clockfw_lock, flags);
if (clk->usecount == 0) {
if (arch_clock->clk_set_parent)
ret = arch_clock->clk_set_parent(clk, parent);
if (ret == 0) {
if (clk->recalc)
clk->rate = clk->recalc(clk);
ret = arch_clock->clk_set_parent(clk, parent);
if (ret == 0)
propagate_rate(clk);
}
} else
ret = -EBUSY;
spin_unlock_irqrestore(&clockfw_lock, flags);
@ -335,6 +339,38 @@ struct clk *omap_clk_get_by_name(const char *name)
return ret;
}
int omap_clk_enable_autoidle_all(void)
{
struct clk *c;
unsigned long flags;
spin_lock_irqsave(&clockfw_lock, flags);
list_for_each_entry(c, &clocks, node)
if (c->ops->allow_idle)
c->ops->allow_idle(c);
spin_unlock_irqrestore(&clockfw_lock, flags);
return 0;
}
int omap_clk_disable_autoidle_all(void)
{
struct clk *c;
unsigned long flags;
spin_lock_irqsave(&clockfw_lock, flags);
list_for_each_entry(c, &clocks, node)
if (c->ops->deny_idle)
c->ops->deny_idle(c);
spin_unlock_irqrestore(&clockfw_lock, flags);
return 0;
}
/*
* Low level helpers
*/
@ -367,9 +403,11 @@ void clk_init_cpufreq_table(struct cpufreq_frequency_table **table)
{
unsigned long flags;
if (!arch_clock || !arch_clock->clk_init_cpufreq_table)
return;
spin_lock_irqsave(&clockfw_lock, flags);
if (arch_clock->clk_init_cpufreq_table)
arch_clock->clk_init_cpufreq_table(table);
arch_clock->clk_init_cpufreq_table(table);
spin_unlock_irqrestore(&clockfw_lock, flags);
}
@ -377,9 +415,11 @@ void clk_exit_cpufreq_table(struct cpufreq_frequency_table **table)
{
unsigned long flags;
if (!arch_clock || !arch_clock->clk_exit_cpufreq_table)
return;
spin_lock_irqsave(&clockfw_lock, flags);
if (arch_clock->clk_exit_cpufreq_table)
arch_clock->clk_exit_cpufreq_table(table);
arch_clock->clk_exit_cpufreq_table(table);
spin_unlock_irqrestore(&clockfw_lock, flags);
}
#endif
@ -397,6 +437,9 @@ static int __init clk_disable_unused(void)
struct clk *ck;
unsigned long flags;
if (!arch_clock || !arch_clock->clk_disable_unused)
return 0;
pr_info("clock: disabling unused clocks to save power\n");
list_for_each_entry(ck, &clocks, node) {
if (ck->ops == &clkops_null)
@ -406,14 +449,14 @@ static int __init clk_disable_unused(void)
continue;
spin_lock_irqsave(&clockfw_lock, flags);
if (arch_clock->clk_disable_unused)
arch_clock->clk_disable_unused(ck);
arch_clock->clk_disable_unused(ck);
spin_unlock_irqrestore(&clockfw_lock, flags);
}
return 0;
}
late_initcall(clk_disable_unused);
late_initcall(omap_clk_enable_autoidle_all);
#endif
int __init clk_init(struct clk_functions * custom_clocks)

4
arch/arm/plat-omap/dmtimer.c
View File

@ -342,6 +342,10 @@ static void omap_dm_timer_reset(struct omap_dm_timer *timer)
l |= 0x02 << 3; /* Set to smart-idle mode */
l |= 0x2 << 8; /* Set clock activity to perserve f-clock on idle */
/* Enable autoidle on OMAP2 / OMAP3 */
if (cpu_is_omap24xx() || cpu_is_omap34xx())
l |= 0x1 << 0;
/*
* Enable wake-up on OMAP2 CPUs.
*/

27
arch/arm/plat-omap/include/plat/clock.h
View File

@ -25,6 +25,8 @@ struct clockdomain;
* @disable: fn ptr that enables the current clock in hardware
* @find_idlest: function returning the IDLEST register for the clock's IP blk
* @find_companion: function returning the "companion" clk reg for the clock
* @allow_idle: fn ptr that enables autoidle for the current clock in hardware
* @deny_idle: fn ptr that disables autoidle for the current clock in hardware
*
* A "companion" clk is an accompanying clock to the one being queried
* that must be enabled for the IP module connected to the clock to
@ -42,6 +44,8 @@ struct clkops {
u8 *, u8 *);
void (*find_companion)(struct clk *, void __iomem **,
u8 *);
void (*allow_idle)(struct clk *);
void (*deny_idle)(struct clk *);
};
#ifdef CONFIG_ARCH_OMAP2PLUS
@ -105,7 +109,6 @@ struct clksel {
* @clk_ref: struct clk pointer to the clock's reference clock input
* @control_reg: register containing the DPLL mode bitfield
* @enable_mask: mask of the DPLL mode bitfield in @control_reg
* @rate_tolerance: maximum variance allowed from target rate (in Hz)
* @last_rounded_rate: cache of the last rate result of omap2_dpll_round_rate()
* @last_rounded_m: cache of the last M result of omap2_dpll_round_rate()
* @max_multiplier: maximum valid non-bypass multiplier value (actual)
@ -131,12 +134,9 @@ struct clksel {
* XXX Some DPLLs have multiple bypass inputs, so it's not technically
* correct to only have one @clk_bypass pointer.
*
* XXX @rate_tolerance should probably be deprecated - currently there
* don't seem to be any usecases for DPLL rounding that is not exact.
*
* XXX The runtime-variable fields (@last_rounded_rate, @last_rounded_m,
* @last_rounded_n) should be separated from the runtime-fixed fields
* and placed into a differenct structure, so that the runtime-fixed data
* and placed into a different structure, so that the runtime-fixed data
* can be placed into read-only space.
*/
struct dpll_data {
@ -147,7 +147,6 @@ struct dpll_data {
struct clk *clk_ref;
void __iomem *control_reg;
u32 enable_mask;
unsigned int rate_tolerance;
unsigned long last_rounded_rate;
u16 last_rounded_m;
u16 max_multiplier;
@ -172,12 +171,24 @@ struct dpll_data {
#endif
/* struct clk.flags possibilities */
/*
* struct clk.flags possibilities
*
* XXX document the rest of the clock flags here
*
* CLOCK_CLKOUTX2: (OMAP4 only) DPLL CLKOUT and CLKOUTX2 GATE_CTRL
* bits share the same register. This flag allows the
* omap4_dpllmx*() code to determine which GATE_CTRL bit field
* should be used. This is a temporary solution - a better approach
* would be to associate clock type-specific data with the clock,
* similar to the struct dpll_data approach.
*/
#define ENABLE_REG_32BIT (1 << 0) /* Use 32-bit access */
#define CLOCK_IDLE_CONTROL (1 << 1)
#define CLOCK_NO_IDLE_PARENT (1 << 2)
#define ENABLE_ON_INIT (1 << 3) /* Enable upon framework init */
#define INVERT_ENABLE (1 << 4) /* 0 enables, 1 disables */
#define CLOCK_CLKOUTX2 (1 << 5)
/**
* struct clk - OMAP struct clk
@ -293,6 +304,8 @@ extern void clk_init_cpufreq_table(struct cpufreq_frequency_table **table);
extern void clk_exit_cpufreq_table(struct cpufreq_frequency_table **table);
#endif
extern struct clk *omap_clk_get_by_name(const char *name);
extern int omap_clk_enable_autoidle_all(void);
extern int omap_clk_disable_autoidle_all(void);
extern const struct clkops clkops_null;

8
arch/arm/plat-omap/include/plat/omap_hwmod.h
View File

@ -35,7 +35,6 @@
#include <linux/ioport.h>
#include <linux/spinlock.h>
#include <plat/cpu.h>
#include <plat/voltage.h>
struct omap_device;
@ -125,6 +124,7 @@ struct omap_hwmod_dma_info {
* struct omap_hwmod_rst_info - IPs reset lines use by hwmod
* @name: name of the reset line (module local name)
* @rst_shift: Offset of the reset bit
* @st_shift: Offset of the reset status bit (OMAP2/3 only)
*
* @name should be something short, e.g., "cpu0" or "rst". It is defined
* locally to the hwmod.
@ -132,6 +132,7 @@ struct omap_hwmod_dma_info {
struct omap_hwmod_rst_info {
const char *name;
u8 rst_shift;
u8 st_shift;
};
/**
@ -377,7 +378,7 @@ struct omap_hwmod_omap4_prcm {
* HWMOD_INIT_NO_IDLE: don't idle this module at boot - important for SDRAM
* controller, etc. XXX probably belongs outside the main hwmod file
* XXX Should be HWMOD_SETUP_NO_IDLE
* HWMOD_NO_AUTOIDLE: disable module autoidle (OCP_SYSCONFIG.AUTOIDLE)
* HWMOD_NO_OCP_AUTOIDLE: disable module autoidle (OCP_SYSCONFIG.AUTOIDLE)
* when module is enabled, rather than the default, which is to
* enable autoidle
* HWMOD_SET_DEFAULT_CLOCKACT: program CLOCKACTIVITY bits at startup
@ -561,6 +562,7 @@ int omap_hwmod_enable_clocks(struct omap_hwmod *oh);
int omap_hwmod_disable_clocks(struct omap_hwmod *oh);
int omap_hwmod_set_slave_idlemode(struct omap_hwmod *oh, u8 idlemode);
int omap_hwmod_set_ocp_autoidle(struct omap_hwmod *oh, u8 autoidle);
int omap_hwmod_reset(struct omap_hwmod *oh);
void omap_hwmod_ocp_barrier(struct omap_hwmod *oh);
@ -595,6 +597,8 @@ int omap_hwmod_for_each_by_class(const char *classname,
int omap_hwmod_set_postsetup_state(struct omap_hwmod *oh, u8 state);
u32 omap_hwmod_get_context_loss_count(struct omap_hwmod *oh);
int omap_hwmod_no_setup_reset(struct omap_hwmod *oh);
/*
* Chip variant-specific hwmod init routines - XXX should be converted
* to use initcalls once the initial boot ordering is straightened out

36
arch/arm/plat-omap/omap_device.c
View File

@ -83,9 +83,11 @@
#include <linux/err.h>
#include <linux/io.h>
#include <linux/clk.h>
#include <linux/clkdev.h>
#include <plat/omap_device.h>
#include <plat/omap_hwmod.h>
#include <plat/clock.h>
/* These parameters are passed to _omap_device_{de,}activate() */
#define USE_WAKEUP_LAT 0
@ -239,12 +241,12 @@ static inline struct omap_device *_find_by_pdev(struct platform_device *pdev)
}
/**
* _add_optional_clock_alias - Add clock alias for hwmod optional clocks
* _add_optional_clock_clkdev - Add clkdev entry for hwmod optional clocks
* @od: struct omap_device *od
*
* For every optional clock present per hwmod per omap_device, this function
* adds an entry in the clocks list of the form <dev-id=dev_name, con-id=role>
* if an entry is already present in it with the form <dev-id=NULL, con-id=role>
* adds an entry in the clkdev table of the form <dev-id=dev_name, con-id=role>
* if it does not exist already.
*
* The function is called from inside omap_device_build_ss(), after
* omap_device_register.
@ -254,25 +256,39 @@ static inline struct omap_device *_find_by_pdev(struct platform_device *pdev)
*
* No return value.
*/
static void _add_optional_clock_alias(struct omap_device *od,
static void _add_optional_clock_clkdev(struct omap_device *od,
struct omap_hwmod *oh)
{
int i;
for (i = 0; i < oh->opt_clks_cnt; i++) {
struct omap_hwmod_opt_clk *oc;
int r;
struct clk *r;
struct clk_lookup *l;
oc = &oh->opt_clks[i];
if (!oc->_clk)
continue;
r = clk_add_alias(oc->role, dev_name(&od->pdev.dev),
(char *)oc->clk, &od->pdev.dev);
if (r)
pr_err("omap_device: %s: clk_add_alias for %s failed\n",
r = clk_get_sys(dev_name(&od->pdev.dev), oc->role);
if (!IS_ERR(r))
continue; /* clkdev entry exists */
r = omap_clk_get_by_name((char *)oc->clk);
if (IS_ERR(r)) {
pr_err("omap_device: %s: omap_clk_get_by_name for %s failed\n",
dev_name(&od->pdev.dev), oc->clk);
continue;
}
l = clkdev_alloc(r, oc->role, dev_name(&od->pdev.dev));
if (!l) {
pr_err("omap_device: %s: clkdev_alloc for %s failed\n",
dev_name(&od->pdev.dev), oc->role);
return;
}
clkdev_add(l);
}
}
@ -480,7 +496,7 @@ struct omap_device *omap_device_build_ss(const char *pdev_name, int pdev_id,
for (i = 0; i < oh_cnt; i++) {
hwmods[i]->od = od;
_add_optional_clock_alias(od, hwmods[i]);
_add_optional_clock_clkdev(od, hwmods[i]);
}
if (ret)

6
drivers/mmc/host/omap_hsmmc.c
View File

@ -2117,14 +2117,14 @@ static int __init omap_hsmmc_probe(struct platform_device *pdev)
/* we start off in DISABLED state */
host->dpm_state = DISABLED;
if (mmc_host_enable(host->mmc) != 0) {
if (clk_enable(host->iclk) != 0) {
clk_put(host->iclk);
clk_put(host->fclk);
goto err1;
}
if (clk_enable(host->iclk) != 0) {
mmc_host_disable(host->mmc);
if (mmc_host_enable(host->mmc) != 0) {
clk_disable(host->iclk);
clk_put(host->iclk);
clk_put(host->fclk);
goto err1;

25
drivers/watchdog/omap_wdt.c
View File

@ -124,6 +124,8 @@ static void omap_wdt_set_timeout(struct omap_wdt_dev *wdev)
u32 pre_margin = GET_WLDR_VAL(timer_margin);
void __iomem *base = wdev->base;
pm_runtime_get_sync(wdev->dev);
/* just count up at 32 KHz */
while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x04)
cpu_relax();
@ -131,6 +133,8 @@ static void omap_wdt_set_timeout(struct omap_wdt_dev *wdev)
__raw_writel(pre_margin, base + OMAP_WATCHDOG_LDR);
while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x04)
cpu_relax();
pm_runtime_put_sync(wdev->dev);
}
/*
@ -160,6 +164,8 @@ static int omap_wdt_open(struct inode *inode, struct file *file)
omap_wdt_ping(wdev); /* trigger loading of new timeout value */
omap_wdt_enable(wdev);
pm_runtime_put_sync(wdev->dev);
return nonseekable_open(inode, file);
}
@ -171,6 +177,7 @@ static int omap_wdt_release(struct inode *inode, struct file *file)
* Shut off the timer unless NOWAYOUT is defined.
*/
#ifndef CONFIG_WATCHDOG_NOWAYOUT
pm_runtime_get_sync(wdev->dev);
omap_wdt_disable(wdev);
@ -190,9 +197,11 @@ static ssize_t omap_wdt_write(struct file *file, const char __user *data,
/* Refresh LOAD_TIME. */
if (len) {
pm_runtime_get_sync(wdev->dev);
spin_lock(&wdt_lock);
omap_wdt_ping(wdev);
spin_unlock(&wdt_lock);
pm_runtime_put_sync(wdev->dev);
}
return len;
}
@ -224,15 +233,18 @@ static long omap_wdt_ioctl(struct file *file, unsigned int cmd,
return put_user(omap_prcm_get_reset_sources(),
(int __user *)arg);
case WDIOC_KEEPALIVE:
pm_runtime_get_sync(wdev->dev);
spin_lock(&wdt_lock);
omap_wdt_ping(wdev);
spin_unlock(&wdt_lock);
pm_runtime_put_sync(wdev->dev);
return 0;
case WDIOC_SETTIMEOUT:
if (get_user(new_margin, (int __user *)arg))
return -EFAULT;
omap_wdt_adjust_timeout(new_margin);
pm_runtime_get_sync(wdev->dev);
spin_lock(&wdt_lock);
omap_wdt_disable(wdev);
omap_wdt_set_timeout(wdev);
@ -240,6 +252,7 @@ static long omap_wdt_ioctl(struct file *file, unsigned int cmd,
omap_wdt_ping(wdev);
spin_unlock(&wdt_lock);
pm_runtime_put_sync(wdev->dev);
/* Fall */
case WDIOC_GETTIMEOUT:
return put_user(timer_margin, (int __user *)arg);
@ -345,8 +358,11 @@ static void omap_wdt_shutdown(struct platform_device *pdev)
{
struct omap_wdt_dev *wdev = platform_get_drvdata(pdev);
if (wdev->omap_wdt_users)
if (wdev->omap_wdt_users) {
pm_runtime_get_sync(wdev->dev);
omap_wdt_disable(wdev);
pm_runtime_put_sync(wdev->dev);
}
}
static int __devexit omap_wdt_remove(struct platform_device *pdev)
@ -381,8 +397,11 @@ static int omap_wdt_suspend(struct platform_device *pdev, pm_message_t state)
{
struct omap_wdt_dev *wdev = platform_get_drvdata(pdev);
if (wdev->omap_wdt_users)
if (wdev->omap_wdt_users) {
pm_runtime_get_sync(wdev->dev);
omap_wdt_disable(wdev);
pm_runtime_put_sync(wdev->dev);
}
return 0;
}
@ -392,8 +411,10 @@ static int omap_wdt_resume(struct platform_device *pdev)
struct omap_wdt_dev *wdev = platform_get_drvdata(pdev);
if (wdev->omap_wdt_users) {
pm_runtime_get_sync(wdev->dev);
omap_wdt_enable(wdev);
omap_wdt_ping(wdev);
pm_runtime_put_sync(wdev->dev);
}
return 0;