diff options
author | Dave Gerlach <d-gerlach@ti.com> | 2014-02-10 11:41:49 -0500 |
---|---|---|
committer | Tom Rini <trini@ti.com> | 2014-02-21 13:55:40 -0500 |
commit | cd8341b7eb7bcf630a49538684778d87daef3e61 (patch) | |
tree | b0a0047ef60d2ba09ac17210034d51846a3d8691 /arch/arm | |
parent | 072cefe07d54879816d0f17830f28198af4c2727 (diff) |
ARM: AM43xx: GP-EVM: Correct GPIO used for VTT regulator control
Schematic indicates GPIO5_7 is to be used for VTT regulator control
rather than GPIO0_21 so modify enable_vtt_regulator to reflect this.
Without this some boards will experience DDR3 corruption and fail to
boot.
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
[trini: Rework patch against mainline]
Signed-off-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/cpu/armv7/am33xx/board.c | 6 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/am33xx/clock_am43xx.c | 2 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-am33xx/cpu.h | 6 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-am33xx/gpio.h | 4 |
4 files changed, 14 insertions, 4 deletions
diff --git a/arch/arm/cpu/armv7/am33xx/board.c b/arch/arm/cpu/armv7/am33xx/board.c index c7dad6681d1..2b15a64667b 100644 --- a/arch/arm/cpu/armv7/am33xx/board.c +++ b/arch/arm/cpu/armv7/am33xx/board.c @@ -36,11 +36,15 @@ DECLARE_GLOBAL_DATA_PTR; -static const struct gpio_bank gpio_bank_am33xx[4] = { +static const struct gpio_bank gpio_bank_am33xx[] = { { (void *)AM33XX_GPIO0_BASE, METHOD_GPIO_24XX }, { (void *)AM33XX_GPIO1_BASE, METHOD_GPIO_24XX }, { (void *)AM33XX_GPIO2_BASE, METHOD_GPIO_24XX }, { (void *)AM33XX_GPIO3_BASE, METHOD_GPIO_24XX }, +#ifdef CONFIG_AM43XX + { (void *)AM33XX_GPIO4_BASE, METHOD_GPIO_24XX }, + { (void *)AM33XX_GPIO5_BASE, METHOD_GPIO_24XX }, +#endif }; const struct gpio_bank *const omap_gpio_bank = gpio_bank_am33xx; diff --git a/arch/arm/cpu/armv7/am33xx/clock_am43xx.c b/arch/arm/cpu/armv7/am33xx/clock_am43xx.c index 97c00b4925f..440cf8b6aec 100644 --- a/arch/arm/cpu/armv7/am33xx/clock_am43xx.c +++ b/arch/arm/cpu/armv7/am33xx/clock_am43xx.c @@ -94,6 +94,8 @@ void enable_basic_clocks(void) &cmper->gpio1clkctrl, &cmper->gpio2clkctrl, &cmper->gpio3clkctrl, + &cmper->gpio4clkctrl, + &cmper->gpio5clkctrl, &cmper->i2c1clkctrl, &cmper->emiffwclkctrl, &cmper->emifclkctrl, diff --git a/arch/arm/include/asm/arch-am33xx/cpu.h b/arch/arm/include/asm/arch-am33xx/cpu.h index 248dc4d4fcd..97e87024884 100644 --- a/arch/arm/include/asm/arch-am33xx/cpu.h +++ b/arch/arm/include/asm/arch-am33xx/cpu.h @@ -353,7 +353,11 @@ struct cm_perpll { unsigned int gpio2clkctrl; /* offset 0x480 */ unsigned int resv20; unsigned int gpio3clkctrl; /* offset 0x488 */ - unsigned int resv21[7]; + unsigned int resv41; + unsigned int gpio4clkctrl; /* offset 0x490 */ + unsigned int resv42; + unsigned int gpio5clkctrl; /* offset 0x498 */ + unsigned int resv21[3]; unsigned int i2c1clkctrl; /* offset 0x4A8 */ unsigned int resv22; diff --git a/arch/arm/include/asm/arch-am33xx/gpio.h b/arch/arm/include/asm/arch-am33xx/gpio.h index a1ffd49f795..220603db5a3 100644 --- a/arch/arm/include/asm/arch-am33xx/gpio.h +++ b/arch/arm/include/asm/arch-am33xx/gpio.h @@ -12,8 +12,8 @@ #define AM33XX_GPIO1_BASE 0x4804C000 #define AM33XX_GPIO2_BASE 0x481AC000 #define AM33XX_GPIO3_BASE 0x481AE000 - -#define GPIO_22 22 +#define AM33XX_GPIO4_BASE 0x48320000 +#define AM33XX_GPIO5_BASE 0x48322000 /* GPIO CTRL register */ #define GPIO_CTRL_DISABLEMODULE_SHIFT 0 |