diff options
Diffstat (limited to 'board/toradex/verdin-imx8mm/spl.c')
| -rw-r--r-- | board/toradex/verdin-imx8mm/spl.c | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/board/toradex/verdin-imx8mm/spl.c b/board/toradex/verdin-imx8mm/spl.c index cc78c5666b..72e2e09e25 100644 --- a/board/toradex/verdin-imx8mm/spl.c +++ b/board/toradex/verdin-imx8mm/spl.c @@ -21,12 +21,16 @@ #include <dm/uclass.h> #include <dm/uclass-internal.h> #include <hang.h> +#include <i2c.h> #include <power/bd71837.h> +#include <power/pca9450.h> #include <power/pmic.h> #include <spl.h> DECLARE_GLOBAL_DATA_PTR; +#define I2C_PMIC_BUS_ID 1 + int spl_board_boot_device(enum boot_device boot_dev_spl) { switch (boot_dev_spl) { @@ -101,33 +105,29 @@ int power_init_board(void) struct udevice *dev; int ret; - ret = pmic_get("pmic@4b", &dev); - if (ret == -ENODEV) { - puts("No pmic\n"); - return 0; - } - if (ret != 0) - return ret; + if (IS_ENABLED(CONFIG_SPL_DM_PMIC_PCA9450)) { + ret = pmic_get("pmic", &dev); + if (ret == -ENODEV) { + puts("No pmic found\n"); + return ret; + } - /* decrease RESET key long push time from the default 10s to 10ms */ - pmic_reg_write(dev, BD718XX_PWRONCONFIG1, 0x0); + if (ret != 0) + return ret; - /* unlock the PMIC regs */ - pmic_reg_write(dev, BD718XX_REGLOCK, 0x1); + /* BUCKxOUT_DVS0/1 control BUCK123 output, clear PRESET_EN */ + pmic_reg_write(dev, PCA9450_BUCK123_DVS, 0x29); - /* increase VDD_SOC to typical value 0.85v before first DRAM access */ - pmic_reg_write(dev, BD718XX_BUCK1_VOLT_RUN, 0x0f); + /* increase VDD_DRAM to 0.975v for 1.5Ghz DDR */ + pmic_reg_write(dev, PCA9450_BUCK3OUT_DVS0, 0x1c); - /* increase VDD_DRAM to 0.975v for 3Ghz DDR */ - pmic_reg_write(dev, BD718XX_1ST_NODVS_BUCK_VOLT, 0x83); + /* set WDOG_B_CFG to cold reset */ + pmic_reg_write(dev, PCA9450_RESET_CTRL, 0xA1); -#ifndef CONFIG_IMX8M_LPDDR4 - /* increase NVCC_DRAM_1V2 to 1.2v for DDR4 */ - pmic_reg_write(dev, BD718XX_4TH_NODVS_BUCK_VOLT, 0x28); -#endif + pmic_reg_write(dev, PCA9450_CONFIG2, 0x1); - /* lock the PMIC regs */ - pmic_reg_write(dev, BD718XX_REGLOCK, 0x11); + return 0; + } return 0; } |