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omap: reuse omap3 gpio support in omap4

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Signed-off-by: Aneesh V <aneesh@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
This commit is contained in:
Aneesh V
2011-07-21 09:29:29 -04:00
committed by U-Boot
parent 924eb369e3
commit 25223a68e5
10 changed files with 105 additions and 51 deletions
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1
arch/arm/cpu/armv7/omap-common/Makefile
View File

@@ -29,6 +29,7 @@ SOBJS := reset.o
COBJS := timer.o
COBJS += utils.o
COBJS += gpio.o
ifdef CONFIG_SPL_BUILD
COBJS += spl.o

41
arch/arm/cpu/armv7/omap3/gpio.c → arch/arm/cpu/armv7/omap-common/gpio.c
View File

@@ -36,24 +36,13 @@
* published by the Free Software Foundation.
*/
#include <common.h>
#include <asm/arch/gpio.h>
#include <asm/omap_gpio.h>
#include <asm/io.h>
#include <asm/errno.h>
static struct gpio_bank gpio_bank_34xx[6] = {
{ (void *)OMAP34XX_GPIO1_BASE, METHOD_GPIO_24XX },
{ (void *)OMAP34XX_GPIO2_BASE, METHOD_GPIO_24XX },
{ (void *)OMAP34XX_GPIO3_BASE, METHOD_GPIO_24XX },
{ (void *)OMAP34XX_GPIO4_BASE, METHOD_GPIO_24XX },
{ (void *)OMAP34XX_GPIO5_BASE, METHOD_GPIO_24XX },
{ (void *)OMAP34XX_GPIO6_BASE, METHOD_GPIO_24XX },
};
static struct gpio_bank *gpio_bank = &gpio_bank_34xx[0];
static inline struct gpio_bank *get_gpio_bank(int gpio)
static inline const struct gpio_bank *get_gpio_bank(int gpio)
{
return &gpio_bank[gpio >> 5];
return &omap_gpio_bank[gpio >> 5];
}
static inline int get_gpio_index(int gpio)
@@ -79,14 +68,15 @@ static int check_gpio(int gpio)
return 0;
}
static void _set_gpio_direction(struct gpio_bank *bank, int gpio, int is_input)
static void _set_gpio_direction(const struct gpio_bank *bank, int gpio,
int is_input)
{
void *reg = bank->base;
u32 l;
switch (bank->method) {
case METHOD_GPIO_24XX:
reg += OMAP24XX_GPIO_OE;
reg += OMAP_GPIO_OE;
break;
default:
return;
@@ -101,7 +91,7 @@ static void _set_gpio_direction(struct gpio_bank *bank, int gpio, int is_input)
void omap_set_gpio_direction(int gpio, int is_input)
{
struct gpio_bank *bank;
const struct gpio_bank *bank;
if (check_gpio(gpio) < 0)
return;
@@ -109,7 +99,8 @@ void omap_set_gpio_direction(int gpio, int is_input)
_set_gpio_direction(bank, get_gpio_index(gpio), is_input);
}
static void _set_gpio_dataout(struct gpio_bank *bank, int gpio, int enable)
static void _set_gpio_dataout(const struct gpio_bank *bank, int gpio,
int enable)
{
void *reg = bank->base;
u32 l = 0;
@@ -117,9 +108,9 @@ static void _set_gpio_dataout(struct gpio_bank *bank, int gpio, int enable)
switch (bank->method) {
case METHOD_GPIO_24XX:
if (enable)
reg += OMAP24XX_GPIO_SETDATAOUT;
reg += OMAP_GPIO_SETDATAOUT;
else
reg += OMAP24XX_GPIO_CLEARDATAOUT;
reg += OMAP_GPIO_CLEARDATAOUT;
l = 1 << gpio;
break;
default:
@@ -132,7 +123,7 @@ static void _set_gpio_dataout(struct gpio_bank *bank, int gpio, int enable)
void omap_set_gpio_dataout(int gpio, int enable)
{
struct gpio_bank *bank;
const struct gpio_bank *bank;
if (check_gpio(gpio) < 0)
return;
@@ -142,7 +133,7 @@ void omap_set_gpio_dataout(int gpio, int enable)
int omap_get_gpio_datain(int gpio)
{
struct gpio_bank *bank;
const struct gpio_bank *bank;
void *reg;
if (check_gpio(gpio) < 0)
@@ -151,7 +142,7 @@ int omap_get_gpio_datain(int gpio)
reg = bank->base;
switch (bank->method) {
case METHOD_GPIO_24XX:
reg += OMAP24XX_GPIO_DATAIN;
reg += OMAP_GPIO_DATAIN;
break;
default:
return -EINVAL;
@@ -160,7 +151,7 @@ int omap_get_gpio_datain(int gpio)
& (1 << get_gpio_index(gpio))) != 0;
}
static void _reset_gpio(struct gpio_bank *bank, int gpio)
static void _reset_gpio(const struct gpio_bank *bank, int gpio)
{
_set_gpio_direction(bank, get_gpio_index(gpio), 1);
}
@@ -175,7 +166,7 @@ int omap_request_gpio(int gpio)
void omap_free_gpio(int gpio)
{
struct gpio_bank *bank;
const struct gpio_bank *bank;
if (check_gpio(gpio) < 0)
return;

1
arch/arm/cpu/armv7/omap3/Makefile
View File

@@ -29,7 +29,6 @@ SOBJS := lowlevel_init.o
COBJS += board.o
COBJS += clock.o
COBJS += gpio.o
COBJS += mem.o
COBJS += sys_info.o

12
arch/arm/cpu/armv7/omap3/board.c
View File

@@ -38,12 +38,24 @@
#include <asm/arch/mem.h>
#include <asm/cache.h>
#include <asm/armv7.h>
#include <asm/omap_gpio.h>
/* Declarations */
extern omap3_sysinfo sysinfo;
static void omap3_setup_aux_cr(void);
static void omap3_invalidate_l2_cache_secure(void);
static const struct gpio_bank gpio_bank_34xx[6] = {
{ (void *)OMAP34XX_GPIO1_BASE, METHOD_GPIO_24XX },
{ (void *)OMAP34XX_GPIO2_BASE, METHOD_GPIO_24XX },
{ (void *)OMAP34XX_GPIO3_BASE, METHOD_GPIO_24XX },
{ (void *)OMAP34XX_GPIO4_BASE, METHOD_GPIO_24XX },
{ (void *)OMAP34XX_GPIO5_BASE, METHOD_GPIO_24XX },
{ (void *)OMAP34XX_GPIO6_BASE, METHOD_GPIO_24XX },
};
const struct gpio_bank *const omap_gpio_bank = gpio_bank_34xx;
/******************************************************************************
* Routine: delay
* Description: spinning delay to use before udelay works

12
arch/arm/cpu/armv7/omap4/board.c
View File

@@ -33,12 +33,24 @@
#include <asm/arch/sys_proto.h>
#include <asm/sizes.h>
#include <asm/arch/emif.h>
#include <asm/omap_gpio.h>
#include "omap4_mux_data.h"
DECLARE_GLOBAL_DATA_PTR;
u32 *const omap4_revision = (u32 *)OMAP4_SRAM_SCRATCH_OMAP4_REV;
static const struct gpio_bank gpio_bank_44xx[6] = {
{ (void *)OMAP44XX_GPIO1_BASE, METHOD_GPIO_24XX },
{ (void *)OMAP44XX_GPIO2_BASE, METHOD_GPIO_24XX },
{ (void *)OMAP44XX_GPIO3_BASE, METHOD_GPIO_24XX },
{ (void *)OMAP44XX_GPIO4_BASE, METHOD_GPIO_24XX },
{ (void *)OMAP44XX_GPIO5_BASE, METHOD_GPIO_24XX },
{ (void *)OMAP44XX_GPIO6_BASE, METHOD_GPIO_24XX },
};
const struct gpio_bank *const omap_gpio_bank = gpio_bank_44xx;
#ifdef CONFIG_SPL_BUILD
/*
* We use static variables because global data is not ready yet.

2
arch/arm/cpu/armv7/omap4/clocks.c
View File

@@ -830,9 +830,9 @@ void prcm_init(void)
case OMAP_INIT_CONTEXT_SPL:
case OMAP_INIT_CONTEXT_UBOOT_FROM_NOR:
case OMAP_INIT_CONTEXT_UBOOT_AFTER_CH:
enable_basic_clocks();
scale_vcores();
setup_dplls();
enable_basic_clocks();
setup_non_essential_dplls();
enable_non_essential_clocks();
break;