diff options
Diffstat (limited to 'board/nvidia/dalmore/dalmore.c')
| -rw-r--r-- | board/nvidia/dalmore/dalmore.c | 66 | 
1 files changed, 66 insertions, 0 deletions
| diff --git a/board/nvidia/dalmore/dalmore.c b/board/nvidia/dalmore/dalmore.c index 2020a5f00..2c23a29db 100644 --- a/board/nvidia/dalmore/dalmore.c +++ b/board/nvidia/dalmore/dalmore.c @@ -16,7 +16,12 @@  #include <common.h>  #include <asm/arch/pinmux.h> +#include <asm/arch/gp_padctrl.h>  #include "pinmux-config-dalmore.h" +#include <i2c.h> + +#define BAT_I2C_ADDRESS		0x48	/* TPS65090 charger */ +#define PMU_I2C_ADDRESS		0x58	/* TPS65913 PMU */  /*   * Routine: pinmux_init @@ -32,4 +37,65 @@ void pinmux_init(void)  	pinmux_config_table(unused_pins_lowpower,  		ARRAY_SIZE(unused_pins_lowpower)); + +	/* Initialize any non-default pad configs (APB_MISC_GP regs) */ +	padgrp_config_table(dalmore_padctrl, ARRAY_SIZE(dalmore_padctrl)); +} + +#if defined(CONFIG_TEGRA_MMC) +/* + * Do I2C/PMU writes to bring up SD card bus power + * + */ +void board_sdmmc_voltage_init(void) +{ +	uchar reg, data_buffer[1]; +	int ret; + +	ret = i2c_set_bus_num(0);/* PMU is on bus 0 */ +	if (ret) +		printf("%s: i2c_set_bus_num returned %d\n", __func__, ret); + +	/* TPS65913: LDO9_VOLTAGE = 3.3V */ +	data_buffer[0] = 0x31; +	reg = 0x61; + +	ret = i2c_write(PMU_I2C_ADDRESS, reg, 1, data_buffer, 1); +	if (ret) +		printf("%s: PMU i2c_write %02X<-%02X returned %d\n", +			__func__, reg, data_buffer[0], ret); + +	/* TPS65913: LDO9_CTRL = Active */ +	data_buffer[0] = 0x01; +	reg = 0x60; + +	ret = i2c_write(PMU_I2C_ADDRESS, reg, 1, data_buffer, 1); +	if (ret) +		printf("%s: PMU i2c_write %02X<-%02X returned %d\n", +			__func__, reg, data_buffer[0], ret); + +	/* TPS65090: FET6_CTRL = enable output auto discharge, enable FET6 */ +	data_buffer[0] = 0x03; +	reg = 0x14; + +	ret = i2c_write(BAT_I2C_ADDRESS, reg, 1, data_buffer, 1); +	if (ret) +		printf("%s: BAT i2c_write %02X<-%02X returned %d\n", +			__func__, reg, data_buffer[0], ret); +} + +/* + * Routine: pin_mux_mmc + * Description: setup the MMC muxes, power rails, etc. + */ +void pin_mux_mmc(void) +{ +	/* +	 * NOTE: We don't do mmc-specific pin muxes here. +	 * They were done globally in pinmux_init(). +	 */ + +	/* Bring up the SDIO3 power rail */ +	board_sdmmc_voltage_init();  } +#endif /* MMC */ |