diff options
| -rw-r--r-- | arch/arm/include/asm/arch-omap4/omap4.h | 8 | ||||
| -rw-r--r-- | drivers/mmc/omap_hsmmc.c | 31 | ||||
| -rw-r--r-- | drivers/power/twl6030.c | 7 | ||||
| -rw-r--r-- | include/configs/omap4_common.h | 2 | ||||
| -rw-r--r-- | include/configs/omap4_sdp4430.h | 2 | ||||
| -rw-r--r-- | include/twl6030.h | 3 |
6 files changed, 49 insertions, 4 deletions
diff --git a/arch/arm/include/asm/arch-omap4/omap4.h b/arch/arm/include/asm/arch-omap4/omap4.h index a6e1e42e2..fc9c555d2 100644 --- a/arch/arm/include/asm/arch-omap4/omap4.h +++ b/arch/arm/include/asm/arch-omap4/omap4.h @@ -125,6 +125,10 @@ /* CONTROL_EFUSE_2 */ #define CONTROL_EFUSE_2_NMOS_PMOS_PTV_CODE_1 0x00ffc000 +#define MMC1_PWRDNZ (1 << 26) +#define MMC1_PBIASLITE_PWRDNZ (1 << 22) +#define MMC1_PBIASLITE_VMODE (1 << 21) + #ifndef __ASSEMBLY__ struct s32ktimer { @@ -141,7 +145,9 @@ struct omap4_sys_ctrl_regs { unsigned int control_ldosram_iva_voltage_ctrl; /* 0x4A002320 */ unsigned int control_ldosram_mpu_voltage_ctrl; /* 0x4A002324 */ unsigned int control_ldosram_core_voltage_ctrl; /* 0x4A002328 */ - unsigned int pad3[260341]; + unsigned int pad3[260277]; + unsigned int control_pbiaslite; /* 0x4A100600 */ + unsigned int pad4[63]; unsigned int control_efuse_1; /* 0x4A100700 */ unsigned int control_efuse_2; /* 0x4A100704 */ }; diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c index 662790509..5d4cf5110 100644 --- a/drivers/mmc/omap_hsmmc.c +++ b/drivers/mmc/omap_hsmmc.c @@ -28,6 +28,7 @@ #include <part.h> #include <i2c.h> #include <twl4030.h> +#include <twl6030.h> #include <asm/io.h> #include <asm/arch/mmc_host_def.h> #include <asm/arch/sys_proto.h> @@ -38,7 +39,27 @@ static int mmc_read_data(hsmmc_t *mmc_base, char *buf, unsigned int size); static int mmc_write_data(hsmmc_t *mmc_base, const char *buf, unsigned int siz); static struct mmc hsmmc_dev[2]; -unsigned char mmc_board_init(hsmmc_t *mmc_base) + +#if defined(CONFIG_OMAP44XX) && defined(CONFIG_TWL6030_POWER) +static void omap4_vmmc_pbias_config(struct mmc *mmc) +{ + u32 value = 0; + struct omap4_sys_ctrl_regs *const ctrl = + (struct omap4_sys_ctrl_regs *)SYSCTRL_GENERAL_CORE_BASE; + + + value = readl(&ctrl->control_pbiaslite); + value &= ~(MMC1_PBIASLITE_PWRDNZ | MMC1_PWRDNZ); + writel(value, &ctrl->control_pbiaslite); + /* set VMMC to 3V */ + twl6030_power_mmc_init(); + value = readl(&ctrl->control_pbiaslite); + value |= MMC1_PBIASLITE_VMODE | MMC1_PBIASLITE_PWRDNZ | MMC1_PWRDNZ; + writel(value, &ctrl->control_pbiaslite); +} +#endif + +unsigned char mmc_board_init(struct mmc *mmc) { #if defined(CONFIG_TWL4030_POWER) twl4030_power_mmc_init(); @@ -67,7 +88,11 @@ unsigned char mmc_board_init(hsmmc_t *mmc_base) &prcm_base->iclken1_core); #endif -/* TODO add appropriate OMAP4 init - none currently necessary */ +#if defined(CONFIG_OMAP44XX) && defined(CONFIG_TWL6030_POWER) + /* PBIAS config needed for MMC1 only */ + if (mmc->block_dev.dev == 0) + omap4_vmmc_pbias_config(mmc); +#endif return 0; } @@ -108,7 +133,7 @@ static int mmc_init_setup(struct mmc *mmc) unsigned int dsor; ulong start; - mmc_board_init(mmc_base); + mmc_board_init(mmc); writel(readl(&mmc_base->sysconfig) | MMC_SOFTRESET, &mmc_base->sysconfig); diff --git a/drivers/power/twl6030.c b/drivers/power/twl6030.c index fef57b433..c5a0038ca 100644 --- a/drivers/power/twl6030.c +++ b/drivers/power/twl6030.c @@ -182,6 +182,13 @@ void twl6030_init_battery_charging(void) return; } +void twl6030_power_mmc_init() +{ + /* set voltage to 3.0 and turnon for APP */ + twl6030_i2c_write_u8(TWL6030_CHIP_PM, 0x15, VMMC_CFG_VOLTATE); + twl6030_i2c_write_u8(TWL6030_CHIP_PM, 0x21, VMMC_CFG_STATE); +} + void twl6030_usb_device_settings() { u8 data = 0; diff --git a/include/configs/omap4_common.h b/include/configs/omap4_common.h index d8ac8c0b3..228eac5e3 100644 --- a/include/configs/omap4_common.h +++ b/include/configs/omap4_common.h @@ -98,7 +98,9 @@ #define CONFIG_I2C_MULTI_BUS 1 /* TWL6030 */ +#ifndef CONFIG_SPL_BUILD #define CONFIG_TWL6030_POWER 1 +#endif /* MMC */ #define CONFIG_GENERIC_MMC 1 diff --git a/include/configs/omap4_sdp4430.h b/include/configs/omap4_sdp4430.h index 39d715480..9e03291ce 100644 --- a/include/configs/omap4_sdp4430.h +++ b/include/configs/omap4_sdp4430.h @@ -37,7 +37,9 @@ #include <configs/omap4_common.h> /* Battery Charger */ +#ifndef CONFIG_SPL_BUILD #define CONFIG_CMD_BAT 1 +#endif /* ENV related config options */ #define CONFIG_ENV_IS_IN_MMC 1 diff --git a/include/twl6030.h b/include/twl6030.h index 6ed68a0e1..a9fcadbfe 100644 --- a/include/twl6030.h +++ b/include/twl6030.h @@ -33,6 +33,8 @@ #define TWL6030_CHIP_PWM 0x49 /* Slave Address 0x48 */ +#define VMMC_CFG_STATE 0x9A +#define VMMC_CFG_VOLTATE 0x9B #define VUSB_CFG_STATE 0xA2 #define MISC1 0xE4 @@ -130,3 +132,4 @@ void twl6030_start_usb_charging(void); void twl6030_stop_usb_charging(void); int twl6030_get_battery_voltage(void); int twl6030_get_battery_current(void); +void twl6030_power_mmc_init(void); |