diff options
| -rw-r--r-- | arch/arm/include/asm/omap_mmc.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/omap4/hwinit.c | 13 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/omap5/hwinit.c | 34 | ||||
| -rw-r--r-- | drivers/mmc/omap_hsmmc.c | 47 | ||||
| -rw-r--r-- | drivers/power/palmas.c | 21 | ||||
| -rw-r--r-- | include/palmas.h | 13 |
6 files changed, 82 insertions, 48 deletions
diff --git a/arch/arm/include/asm/omap_mmc.h b/arch/arm/include/asm/omap_mmc.h index b69d0731e1..f2bf645b33 100644 --- a/arch/arm/include/asm/omap_mmc.h +++ b/arch/arm/include/asm/omap_mmc.h @@ -167,5 +167,5 @@ struct hsmmc { int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio, int wp_gpio); - +void vmmc_pbias_config(uint voltage); #endif /* OMAP_MMC_H_ */ diff --git a/arch/arm/mach-omap2/omap4/hwinit.c b/arch/arm/mach-omap2/omap4/hwinit.c index 7c6638ca80..67ab1ccd75 100644 --- a/arch/arm/mach-omap2/omap4/hwinit.c +++ b/arch/arm/mach-omap2/omap4/hwinit.c @@ -12,6 +12,7 @@ * SPDX-License-Identifier: GPL-2.0+ */ #include <common.h> +#include <palmas.h> #include <asm/armv7.h> #include <asm/arch/cpu.h> #include <asm/arch/sys_proto.h> @@ -175,3 +176,15 @@ void v7_outer_cache_disable(void) omap_smc1(OMAP4_SERVICE_PL310_CONTROL_REG_SET, 0); } #endif /* !CONFIG_SYS_L2CACHE_OFF */ + +void vmmc_pbias_config(uint voltage) +{ + u32 value = 0; + + value = readl((*ctrl)->control_pbiaslite); + value &= ~(MMC1_PBIASLITE_PWRDNZ | MMC1_PWRDNZ); + writel(value, (*ctrl)->control_pbiaslite); + value = readl((*ctrl)->control_pbiaslite); + value |= MMC1_PBIASLITE_VMODE | MMC1_PBIASLITE_PWRDNZ | MMC1_PWRDNZ; + writel(value, (*ctrl)->control_pbiaslite); +} diff --git a/arch/arm/mach-omap2/omap5/hwinit.c b/arch/arm/mach-omap2/omap5/hwinit.c index e3ac8bbe95..839d79d102 100644 --- a/arch/arm/mach-omap2/omap5/hwinit.c +++ b/arch/arm/mach-omap2/omap5/hwinit.c @@ -13,6 +13,7 @@ * SPDX-License-Identifier: GPL-2.0+ */ #include <common.h> +#include <palmas.h> #include <asm/armv7.h> #include <asm/arch/cpu.h> #include <asm/arch/sys_proto.h> @@ -451,3 +452,36 @@ void v7_arch_cp15_set_acr(u32 acr, u32 cpu_midr, u32 cpu_rev_comb, #endif omap_smc1(OMAP5_SERVICE_ACR_SET, acr); } + +#if defined(CONFIG_PALMAS_POWER) +void vmmc_pbias_config(uint voltage) +{ + u32 value = 0; + struct vcores_data const *vcores = *omap_vcores; + + value = readl((*ctrl)->control_pbias); + value &= ~SDCARD_PWRDNZ; + writel(value, (*ctrl)->control_pbias); + udelay(10); /* wait 10 us */ + value &= ~SDCARD_BIAS_PWRDNZ; + writel(value, (*ctrl)->control_pbias); + + if (vcores->core.pmic->i2c_slave_addr == 0x60) { + if (voltage == LDO_VOLT_3V0) + voltage = 0x19; + else if (voltage == LDO_VOLT_1V8) + voltage = 0xa; + lp873x_mmc1_poweron_ldo(voltage); + } else { + palmas_mmc1_poweron_ldo(voltage); + } + + value = readl((*ctrl)->control_pbias); + value |= SDCARD_BIAS_PWRDNZ; + 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/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c index 020db98462..0a1ee407a1 100644 --- a/drivers/mmc/omap_hsmmc.c +++ b/drivers/mmc/omap_hsmmc.c @@ -96,44 +96,6 @@ static int omap_mmc_setup_gpio_in(int gpio, const char *label) } #endif -#if defined(CONFIG_OMAP44XX) -static void omap4_vmmc_pbias_config(struct mmc *mmc) -{ - u32 value = 0; - - value = readl((*ctrl)->control_pbiaslite); - value &= ~(MMC1_PBIASLITE_PWRDNZ | MMC1_PWRDNZ); - writel(value, (*ctrl)->control_pbiaslite); - value = readl((*ctrl)->control_pbiaslite); - value |= MMC1_PBIASLITE_VMODE | MMC1_PBIASLITE_PWRDNZ | MMC1_PWRDNZ; - writel(value, (*ctrl)->control_pbiaslite); -} -#endif - -#if defined(CONFIG_OMAP54XX) && defined(CONFIG_PALMAS_POWER) -static void omap5_pbias_config(struct mmc *mmc) -{ - u32 value = 0; - - value = readl((*ctrl)->control_pbias); - 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_PWRDNZ; - writel(value, (*ctrl)->control_pbias); - udelay(150); /* wait 150 us */ - value |= SDCARD_PWRDNZ; - writel(value, (*ctrl)->control_pbias); - udelay(150); /* wait 150 us */ -} -#endif - static unsigned char mmc_board_init(struct mmc *mmc) { #if defined(CONFIG_OMAP34XX) @@ -173,14 +135,10 @@ static unsigned char mmc_board_init(struct mmc *mmc) &prcm_base->iclken1_core); #endif -#if defined(CONFIG_OMAP44XX) +#if defined(CONFIG_OMAP54XX) || defined(CONFIG_OMAP44XX) /* PBIAS config needed for MMC1 only */ if (mmc->block_dev.devnum == 0) - omap4_vmmc_pbias_config(mmc); -#endif -#if defined(CONFIG_OMAP54XX) && defined(CONFIG_PALMAS_POWER) - if (mmc->block_dev.devnum == 0) - omap5_pbias_config(mmc); + vmmc_pbias_config(LDO_VOLT_3V0); #endif return 0; @@ -214,7 +172,6 @@ void mmc_init_stream(struct hsmmc *mmc_base) writel(readl(&mmc_base->con) & ~INIT_INITSTREAM, &mmc_base->con); } - static int omap_hsmmc_init_setup(struct mmc *mmc) { struct hsmmc *mmc_base; diff --git a/drivers/power/palmas.c b/drivers/power/palmas.c index cfbc9dc522..4f9a62cb34 100644 --- a/drivers/power/palmas.c +++ b/drivers/power/palmas.c @@ -23,7 +23,26 @@ void palmas_init_settings(void) #endif } -int palmas_mmc1_poweron_ldo(void) +#if defined(CONFIG_OMAP54XX) +int lp873x_mmc1_poweron_ldo(uint voltage) +{ + if (palmas_i2c_write_u8(LP873X_LDO1_ADDR, LP873X_LDO1_VOLTAGE, + voltage)) { + printf("lp873x: could not set LDO1 voltage.\n"); + return 1; + } + /* TURN ON LDO1 */ + if (palmas_i2c_write_u8(LP873X_LDO1_ADDR, LP873X_LDO1_CTRL, + LP873X_LDO_CTRL_EN | LP873X_LDO_CTRL_RDIS_EN)) { + printf("lp873x: could not turn on LDO1.\n"); + return 1; + } + return 0; + +} +#endif + +int palmas_mmc1_poweron_ldo(uint voltage) { u8 val = 0; diff --git a/include/palmas.h b/include/palmas.h index cca3f9a9d1..d676617344 100644 --- a/include/palmas.h +++ b/include/palmas.h @@ -24,6 +24,16 @@ #define LDO1_CTRL 0x50 #define LDO1_VOLTAGE 0x51 +/* LDO1 control/voltage for LP873x */ +#define LP873X_LDO1_ADDR 0x60 +#define LP873X_LDO1_CTRL 0x9 +#define LP873X_LDO1_VOLTAGE 0xa +#define LP873X_LDO_VOLT_3V0 0x19 +#define LP873X_LDO_VOLT_1V8 0xa +#define LP873X_LDO_CTRL_EN (0x1 << 0) +#define LP873X_LDO_CTRL_EN_PINCTRL (0x1 << 1) +#define LP873X_LDO_CTRL_RDIS_EN (0x1 << 2) + /* LDO2 control/voltage */ #define LDO2_CTRL 0x52 #define LDO2_VOLTAGE 0x53 @@ -119,7 +129,8 @@ static inline int palmas_i2c_read_u8(u8 chip_no, u8 reg, u8 *val) } void palmas_init_settings(void); -int palmas_mmc1_poweron_ldo(void); +int palmas_mmc1_poweron_ldo(uint voltage); +int lp873x_mmc1_poweron_ldo(uint voltage); int twl603x_mmc1_set_ldo9(u8 vsel); int twl603x_audio_power(u8 on); int twl603x_enable_bb_charge(u8 bb_fields); |