From a5d439c2d3a55df2718eae19fb128e498f4bef87 Mon Sep 17 00:00:00 2001 From: Balaji T K Date: Thu, 6 Jun 2013 05:04:32 +0000 Subject: [PATCH] mmc: omap_hsmmc: Update pbias programming Update pbias programming sequence for OMAP5 ES2.0/DRA7 Signed-off-by: Balaji T K Signed-off-by: Lokesh Vutla --- arch/arm/include/asm/arch-omap5/omap.h | 2 +- drivers/mmc/omap_hsmmc.c | 20 +++++++++----------- include/configs/omap5_common.h | 4 ++++ include/configs/omap5_uevm.h | 5 ----- 4 files changed, 14 insertions(+), 17 deletions(-) diff --git a/arch/arm/include/asm/arch-omap5/omap.h b/arch/arm/include/asm/arch-omap5/omap.h index 06171d017b..bb6a757dc0 100644 --- a/arch/arm/include/asm/arch-omap5/omap.h +++ b/arch/arm/include/asm/arch-omap5/omap.h @@ -106,9 +106,9 @@ /* CONTROL_EFUSE_2 */ #define CONTROL_EFUSE_2_NMOS_PMOS_PTV_CODE_1 0x00ffc000 +#define SDCARD_BIAS_PWRDNZ (1 << 27) #define SDCARD_PWRDNZ (1 << 26) #define SDCARD_BIAS_HIZ_MODE (1 << 25) -#define SDCARD_BIAS_PWRDNZ (1 << 22) #define SDCARD_PBIASLITE_VMODE (1 << 21) #ifndef __ASSEMBLY__ diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c index afdfa886e8..975b2c5ba4 100644 --- a/drivers/mmc/omap_hsmmc.c +++ b/drivers/mmc/omap_hsmmc.c @@ -113,23 +113,21 @@ static void omap5_pbias_config(struct mmc *mmc) u32 value = 0; value = readl((*ctrl)->control_pbias); - value &= ~(SDCARD_PWRDNZ | SDCARD_BIAS_PWRDNZ); - value |= SDCARD_BIAS_HIZ_MODE; + value &= ~SDCARD_PWRDNZ; + writel(value, (*ctrl)->control_pbias); + udelay(10); /* wait 10 us */ + value &= ~SDCARD_BIAS_PWRDNZ; writel(value, (*ctrl)->control_pbias); palmas_mmc1_poweron_ldo(); value = readl((*ctrl)->control_pbias); - value &= ~SDCARD_BIAS_HIZ_MODE; - value |= SDCARD_PBIASLITE_VMODE | SDCARD_PWRDNZ | SDCARD_BIAS_PWRDNZ; + value |= SDCARD_BIAS_PWRDNZ; writel(value, (*ctrl)->control_pbias); - - value = readl((*ctrl)->control_pbias); - if (value & (1 << 23)) { - value &= ~(SDCARD_PWRDNZ | SDCARD_BIAS_PWRDNZ); - value |= SDCARD_BIAS_HIZ_MODE; - writel(value, (*ctrl)->control_pbias); - } + udelay(150); /* wait 150 us */ + value |= SDCARD_PWRDNZ; + writel(value, (*ctrl)->control_pbias); + udelay(150); /* wait 150 us */ } #endif diff --git a/include/configs/omap5_common.h b/include/configs/omap5_common.h index 83b91d1590..ddf2ad4fc2 100644 --- a/include/configs/omap5_common.h +++ b/include/configs/omap5_common.h @@ -238,6 +238,10 @@ #define CONFIG_SYS_DEFAULT_LPDDR2_TIMINGS #endif +#ifndef CONFIG_SPL_BUILD +#define CONFIG_PALMAS_POWER +#endif + /* Defines for SPL */ #define CONFIG_SPL #define CONFIG_SPL_FRAMEWORK diff --git a/include/configs/omap5_uevm.h b/include/configs/omap5_uevm.h index 7382aa25be..dea05bc911 100644 --- a/include/configs/omap5_uevm.h +++ b/include/configs/omap5_uevm.h @@ -39,11 +39,6 @@ #define CONFIG_SYS_NS16550_COM3 UART3_BASE #define CONFIG_BAUDRATE 115200 -/* TWL6035 */ -#ifndef CONFIG_SPL_BUILD -#define CONFIG_PALMAS_POWER -#endif - /* MMC ENV related defines */ #define CONFIG_ENV_IS_IN_MMC #define CONFIG_SYS_MMC_ENV_DEV 1 /* SLOT2: eMMC(1) */ -- 2.39.5