diff --git a/board/warp7/warp7.c b/board/warp7/warp7.c index 27e31f3..cffee4a 100644 --- a/board/warp7/warp7.c +++ b/board/warp7/warp7.c @@ -11,12 +11,17 @@ #include #include #include +#include #include #include #include +#include #include #include #include +#include +#include +#include "../freescale/common/pfuze.h" DECLARE_GLOBAL_DATA_PTR; @@ -25,6 +30,26 @@ DECLARE_GLOBAL_DATA_PTR; #define USDHC_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \ PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM) +#define I2C_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \ + PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU100KOHM) + +#ifdef CONFIG_SYS_I2C_MXC +#define PC MUX_PAD_CTRL(I2C_PAD_CTRL) +/* I2C1 for PMIC */ +static struct i2c_pads_info i2c_pad_info1 = { + .scl = { + .i2c_mode = MX7D_PAD_I2C1_SCL__I2C1_SCL | PC, + .gpio_mode = MX7D_PAD_I2C1_SCL__GPIO4_IO8 | PC, + .gp = IMX_GPIO_NR(4, 8), + }, + .sda = { + .i2c_mode = MX7D_PAD_I2C1_SDA__I2C1_SDA | PC, + .gpio_mode = MX7D_PAD_I2C1_SDA__GPIO4_IO9 | PC, + .gp = IMX_GPIO_NR(4, 9), + }, +}; +#endif + int dram_init(void) { gd->ram_size = PHYS_SDRAM_SIZE; @@ -85,11 +110,43 @@ int board_early_init_f(void) return 0; } +#ifdef CONFIG_POWER +#define I2C_PMIC 0 +static struct pmic *pfuze; +int power_init_board(void) +{ + int ret; + unsigned int reg, rev_id; + + ret = power_pfuze3000_init(I2C_PMIC); + if (ret) + return ret; + + pfuze = pmic_get("PFUZE3000"); + ret = pmic_probe(pfuze); + if (ret) + return ret; + + pmic_reg_read(pfuze, PFUZE3000_DEVICEID, ®); + pmic_reg_read(pfuze, PFUZE3000_REVID, &rev_id); + printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", reg, rev_id); + + /* disable Low Power Mode during standby mode */ + pmic_reg_write(pfuze, PFUZE3000_LDOGCTL, 0x1); + + return 0; +} +#endif + int board_init(void) { /* address of boot parameters */ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + #ifdef CONFIG_SYS_I2C_MXC + setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); + #endif + return 0; } diff --git a/include/configs/warp7.h b/include/configs/warp7.h index e59b16c..57a8123 100644 --- a/include/configs/warp7.h +++ b/include/configs/warp7.h @@ -103,6 +103,18 @@ #define CONFIG_SYS_INIT_SP_ADDR \ (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET) +/* I2C configs */ +#define CONFIG_SYS_I2C +#define CONFIG_SYS_I2C_MXC +#define CONFIG_SYS_I2C_MXC_I2C1 +#define CONFIG_SYS_I2C_SPEED 100000 + +/* PMIC */ +#define CONFIG_POWER +#define CONFIG_POWER_I2C +#define CONFIG_POWER_PFUZE3000 +#define CONFIG_POWER_PFUZE3000_I2C_ADDR 0x08 + /* FLASH and environment organization */ #define CONFIG_SYS_NO_FLASH #define CONFIG_ENV_SIZE SZ_8K