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From Paul Walmsley <paul@pwsan.com>:

Browse Source 
AM33xx hwmod data and miscellaneous clock and hwmod fixes.  AM33xx
 should now boot on mainline after this is applied, according to
 Vaibhav.
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Merge tag 'omap-devel-am33xx-for-v3.7' into test_v3.6-rc6_cff3.7_odaf3.7

From Paul Walmsley <paul@pwsan.com>:

AM33xx hwmod data and miscellaneous clock and hwmod fixes.  AM33xx
should now boot on mainline after this is applied, according to
Vaibhav.
This commit is contained in:
Paul Walmsley 2012-09-22 10:00:35 -06:00
commit 9fe0624e1b
8 changed files with 3569 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm/mach-omap2/Makefile
View File

@ -194,6 +194,7 @@ obj-$(CONFIG_SOC_OMAP2430) += omap_hwmod_2430_data.o
obj-$(CONFIG_ARCH_OMAP3) += omap_hwmod_2xxx_3xxx_ipblock_data.o
obj-$(CONFIG_ARCH_OMAP3) += omap_hwmod_2xxx_3xxx_interconnect_data.o
obj-$(CONFIG_ARCH_OMAP3) += omap_hwmod_3xxx_data.o
obj-$(CONFIG_SOC_AM33XX) += omap_hwmod_33xx_data.o
obj-$(CONFIG_ARCH_OMAP4) += omap_hwmod_44xx_data.o
# EMU peripherals

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

@ -211,7 +211,7 @@ void omap2_init_dpll_parent(struct clk *clk)
if (v == OMAP3XXX_EN_DPLL_LPBYPASS ||
v == OMAP3XXX_EN_DPLL_FRBYPASS)
clk_reparent(clk, dd->clk_bypass);
} else if (cpu_is_omap44xx()) {
} else if (soc_is_am33xx() || cpu_is_omap44xx()) {
if (v == OMAP4XXX_EN_DPLL_LPBYPASS ||
v == OMAP4XXX_EN_DPLL_FRBYPASS ||
v == OMAP4XXX_EN_DPLL_MNBYPASS)
@ -257,7 +257,7 @@ u32 omap2_get_dpll_rate(struct clk *clk)
if (v == OMAP3XXX_EN_DPLL_LPBYPASS ||
v == OMAP3XXX_EN_DPLL_FRBYPASS)
return dd->clk_bypass->rate;
} else if (cpu_is_omap44xx()) {
} else if (soc_is_am33xx() || cpu_is_omap44xx()) {
if (v == OMAP4XXX_EN_DPLL_LPBYPASS ||
v == OMAP4XXX_EN_DPLL_FRBYPASS ||
v == OMAP4XXX_EN_DPLL_MNBYPASS)

2
arch/arm/mach-omap2/clock33xx_data.c
View File

@ -1027,7 +1027,9 @@ static struct omap_clk am33xx_clks[] = {
CLK(NULL, "cefuse_fck", &cefuse_fck, CK_AM33XX),
CLK(NULL, "clkdiv32k_ick", &clkdiv32k_ick, CK_AM33XX),
CLK(NULL, "dcan0_fck", &dcan0_fck, CK_AM33XX),
CLK("481cc000.d_can", NULL, &dcan0_fck, CK_AM33XX),
CLK(NULL, "dcan1_fck", &dcan1_fck, CK_AM33XX),
CLK("481d0000.d_can", NULL, &dcan1_fck, CK_AM33XX),
CLK(NULL, "debugss_ick", &debugss_ick, CK_AM33XX),
CLK(NULL, "pruss_ocp_gclk", &pruss_ocp_gclk, CK_AM33XX),
CLK("davinci-mcasp.0", NULL, &mcasp0_fck, CK_AM33XX),

4
arch/arm/mach-omap2/dpll3xxx.c
View File

@ -311,7 +311,7 @@ static int omap3_noncore_dpll_program(struct clk *clk, u16 m, u8 n, u16 freqsel)
* Set jitter correction. No jitter correction for OMAP4 and 3630
* since freqsel field is no longer present
*/
if (!cpu_is_omap44xx() && !cpu_is_omap3630()) {
if (!soc_is_am33xx() && !cpu_is_omap44xx() && !cpu_is_omap3630()) {
v = __raw_readl(dd->control_reg);
v &= ~dd->freqsel_mask;
v |= freqsel << __ffs(dd->freqsel_mask);
@ -471,7 +471,7 @@ int omap3_noncore_dpll_set_rate(struct clk *clk, unsigned long rate)
return -EINVAL;
/* No freqsel on OMAP4 and OMAP3630 */
if (!cpu_is_omap44xx() && !cpu_is_omap3630()) {
if (!soc_is_am33xx() && !cpu_is_omap44xx() && !cpu_is_omap3630()) {
freqsel = _omap3_dpll_compute_freqsel(clk,
dd->last_rounded_n);
if (!freqsel)

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

@ -524,6 +524,8 @@ void __init am33xx_init_early(void)
am33xx_voltagedomains_init();
am33xx_powerdomains_init();
am33xx_clockdomains_init();
am33xx_hwmod_init();
omap_hwmod_init_postsetup();
am33xx_clk_init();
}
#endif

178
arch/arm/mach-omap2/omap_hwmod.c
View File

@ -149,8 +149,10 @@
#include "powerdomain.h"
#include "cm2xxx_3xxx.h"
#include "cminst44xx.h"
#include "cm33xx.h"
#include "prm2xxx_3xxx.h"
#include "prm44xx.h"
#include "prm33xx.h"
#include "prminst44xx.h"
#include "mux.h"
#include "pm.h"
@ -867,6 +869,26 @@ static void _omap4_enable_module(struct omap_hwmod *oh)
oh->prcm.omap4.clkctrl_offs);
}
/**
* _am33xx_enable_module - enable CLKCTRL modulemode on AM33XX
* @oh: struct omap_hwmod *
*
* Enables the PRCM module mode related to the hwmod @oh.
* No return value.
*/
static void _am33xx_enable_module(struct omap_hwmod *oh)
{
if (!oh->clkdm || !oh->prcm.omap4.modulemode)
return;
pr_debug("omap_hwmod: %s: %s: %d\n",
oh->name, __func__, oh->prcm.omap4.modulemode);
am33xx_cm_module_enable(oh->prcm.omap4.modulemode, oh->clkdm->cm_inst,
oh->clkdm->clkdm_offs,
oh->prcm.omap4.clkctrl_offs);
}
/**
* _omap4_wait_target_disable - wait for a module to be disabled on OMAP4
* @oh: struct omap_hwmod *
@ -893,6 +915,31 @@ static int _omap4_wait_target_disable(struct omap_hwmod *oh)
oh->prcm.omap4.clkctrl_offs);
}
/**
* _am33xx_wait_target_disable - wait for a module to be disabled on AM33XX
* @oh: struct omap_hwmod *
*
* Wait for a module @oh to enter slave idle. Returns 0 if the module
* does not have an IDLEST bit or if the module successfully enters
* slave idle; otherwise, pass along the return value of the
* appropriate *_cm*_wait_module_idle() function.
*/
static int _am33xx_wait_target_disable(struct omap_hwmod *oh)
{
if (!oh)
return -EINVAL;
if (oh->_int_flags & _HWMOD_NO_MPU_PORT)
return 0;
if (oh->flags & HWMOD_NO_IDLEST)
return 0;
return am33xx_cm_wait_module_idle(oh->clkdm->cm_inst,
oh->clkdm->clkdm_offs,
oh->prcm.omap4.clkctrl_offs);
}
/**
* _count_mpu_irqs - count the number of MPU IRQ lines associated with @oh
* @oh: struct omap_hwmod *oh
@ -1613,6 +1660,36 @@ static int _omap4_disable_module(struct omap_hwmod *oh)
return 0;
}
/**
* _am33xx_disable_module - enable CLKCTRL modulemode on AM33XX
* @oh: struct omap_hwmod *
*
* Disable the PRCM module mode related to the hwmod @oh.
* Return EINVAL if the modulemode is not supported and 0 in case of success.
*/
static int _am33xx_disable_module(struct omap_hwmod *oh)
{
int v;
if (!oh->clkdm || !oh->prcm.omap4.modulemode)
return -EINVAL;
pr_debug("omap_hwmod: %s: %s\n", oh->name, __func__);
am33xx_cm_module_disable(oh->clkdm->cm_inst, oh->clkdm->clkdm_offs,
oh->prcm.omap4.clkctrl_offs);
if (_are_any_hardreset_lines_asserted(oh))
return 0;
v = _am33xx_wait_target_disable(oh);
if (v)
pr_warn("omap_hwmod: %s: _wait_target_disable failed\n",
oh->name);
return 0;
}
/**
* _ocp_softreset - reset an omap_hwmod via the OCP_SYSCONFIG bit
* @oh: struct omap_hwmod *
@ -2548,6 +2625,33 @@ static int _omap4_wait_target_ready(struct omap_hwmod *oh)
oh->prcm.omap4.clkctrl_offs);
}
/**
* _am33xx_wait_target_ready - wait for a module to leave slave idle
* @oh: struct omap_hwmod *
*
* Wait for a module @oh to leave slave idle. Returns 0 if the module
* does not have an IDLEST bit or if the module successfully leaves
* slave idle; otherwise, pass along the return value of the
* appropriate *_cm*_wait_module_ready() function.
*/
static int _am33xx_wait_target_ready(struct omap_hwmod *oh)
{
if (!oh || !oh->clkdm)
return -EINVAL;
if (oh->flags & HWMOD_NO_IDLEST)
return 0;
if (!_find_mpu_rt_port(oh))
return 0;
/* XXX check module SIDLEMODE, hardreset status */
return am33xx_cm_wait_module_ready(oh->clkdm->cm_inst,
oh->clkdm->clkdm_offs,
oh->prcm.omap4.clkctrl_offs);
}
/**
* _omap2_assert_hardreset - call OMAP2 PRM hardreset fn with hwmod args
* @oh: struct omap_hwmod * to assert hardreset
@ -2679,6 +2783,72 @@ static int _omap4_is_hardreset_asserted(struct omap_hwmod *oh,
oh->prcm.omap4.rstctrl_offs);
}
/**
* _am33xx_assert_hardreset - call AM33XX PRM hardreset fn with hwmod args
* @oh: struct omap_hwmod * to assert hardreset
* @ohri: hardreset line data
*
* Call am33xx_prminst_assert_hardreset() with parameters extracted
* from the hwmod @oh and the hardreset line data @ohri. Only
* intended for use as an soc_ops function pointer. Passes along the
* return value from am33xx_prminst_assert_hardreset(). XXX This
* function is scheduled for removal when the PRM code is moved into
* drivers/.
*/
static int _am33xx_assert_hardreset(struct omap_hwmod *oh,
struct omap_hwmod_rst_info *ohri)
{
return am33xx_prm_assert_hardreset(ohri->rst_shift,
oh->clkdm->pwrdm.ptr->prcm_offs,
oh->prcm.omap4.rstctrl_offs);
}
/**
* _am33xx_deassert_hardreset - call AM33XX PRM hardreset fn with hwmod args
* @oh: struct omap_hwmod * to deassert hardreset
* @ohri: hardreset line data
*
* Call am33xx_prminst_deassert_hardreset() with parameters extracted
* from the hwmod @oh and the hardreset line data @ohri. Only
* intended for use as an soc_ops function pointer. Passes along the
* return value from am33xx_prminst_deassert_hardreset(). XXX This
* function is scheduled for removal when the PRM code is moved into
* drivers/.
*/
static int _am33xx_deassert_hardreset(struct omap_hwmod *oh,
struct omap_hwmod_rst_info *ohri)
{
if (ohri->st_shift)
pr_err("omap_hwmod: %s: %s: hwmod data error: OMAP4 does not support st_shift\n",
oh->name, ohri->name);
return am33xx_prm_deassert_hardreset(ohri->rst_shift,
oh->clkdm->pwrdm.ptr->prcm_offs,
oh->prcm.omap4.rstctrl_offs,
oh->prcm.omap4.rstst_offs);
}
/**
* _am33xx_is_hardreset_asserted - call AM33XX PRM hardreset fn with hwmod args
* @oh: struct omap_hwmod * to test hardreset
* @ohri: hardreset line data
*
* Call am33xx_prminst_is_hardreset_asserted() with parameters
* extracted from the hwmod @oh and the hardreset line data @ohri.
* Only intended for use as an soc_ops function pointer. Passes along
* the return value from am33xx_prminst_is_hardreset_asserted(). XXX
* This function is scheduled for removal when the PRM code is moved
* into drivers/.
*/
static int _am33xx_is_hardreset_asserted(struct omap_hwmod *oh,
struct omap_hwmod_rst_info *ohri)
{
return am33xx_prm_is_hardreset_asserted(ohri->rst_shift,
oh->clkdm->pwrdm.ptr->prcm_offs,
oh->prcm.omap4.rstctrl_offs);
}
/* Public functions */
u32 omap_hwmod_read(struct omap_hwmod *oh, u16 reg_offs)
@ -3678,6 +3848,14 @@ void __init omap_hwmod_init(void)
soc_ops.deassert_hardreset = _omap4_deassert_hardreset;
soc_ops.is_hardreset_asserted = _omap4_is_hardreset_asserted;
soc_ops.init_clkdm = _init_clkdm;
} else if (soc_is_am33xx()) {
soc_ops.enable_module = _am33xx_enable_module;
soc_ops.disable_module = _am33xx_disable_module;
soc_ops.wait_target_ready = _am33xx_wait_target_ready;
soc_ops.assert_hardreset = _am33xx_assert_hardreset;
soc_ops.deassert_hardreset = _am33xx_deassert_hardreset;
soc_ops.is_hardreset_asserted = _am33xx_is_hardreset_asserted;
soc_ops.init_clkdm = _init_clkdm;
} else {
WARN(1, "omap_hwmod: unknown SoC type\n");
}

3381
arch/arm/mach-omap2/omap_hwmod_33xx_data.c Normal file
View File

File diff suppressed because it is too large Load Diff

1
arch/arm/plat-omap/include/plat/omap_hwmod.h
View File

@ -658,6 +658,7 @@ extern int omap2420_hwmod_init(void);
extern int omap2430_hwmod_init(void);
extern int omap3xxx_hwmod_init(void);
extern int omap44xx_hwmod_init(void);
extern int am33xx_hwmod_init(void);
extern int __init omap_hwmod_register_links(struct omap_hwmod_ocp_if **ois);