From cd8341b7eb7bcf630a49538684778d87daef3e61 Mon Sep 17 00:00:00 2001 From: Dave Gerlach Date: Mon, 10 Feb 2014 11:41:49 -0500 Subject: 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 [trini: Rework patch against mainline] Signed-off-by: Tom Rini --- arch/arm/include/asm/arch-am33xx/cpu.h | 6 +++++- arch/arm/include/asm/arch-am33xx/gpio.h | 4 ++-- 2 files changed, 7 insertions(+), 3 deletions(-) (limited to 'arch/arm/include') diff --git a/arch/arm/include/asm/arch-am33xx/cpu.h b/arch/arm/include/asm/arch-am33xx/cpu.h index 248dc4d..97e8702 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 a1ffd49..220603d 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 -- cgit v1.1