diff options
Diffstat (limited to 'board/freescale/mx53loco/mx53loco.c')
| -rw-r--r-- | board/freescale/mx53loco/mx53loco.c | 61 |
1 files changed, 51 insertions, 10 deletions
diff --git a/board/freescale/mx53loco/mx53loco.c b/board/freescale/mx53loco/mx53loco.c index b1bfb90..60cd4f0 100644 --- a/board/freescale/mx53loco/mx53loco.c +++ b/board/freescale/mx53loco/mx53loco.c @@ -343,7 +343,7 @@ static void setup_iomux_i2c(void) static int power_init(void) { unsigned int val; - int ret = -1; + int ret; struct pmic *p; if (!i2c_probe(CONFIG_SYS_DIALOG_PMIC_I2C_ADDR)) { @@ -358,14 +358,33 @@ static int power_init(void) /* Set VDDA to 1.25V */ val = DA9052_BUCKCORE_BCOREEN | DA_BUCKCORE_VBCORE_1_250V; ret = pmic_reg_write(p, DA9053_BUCKCORE_REG, val); + if (ret) { + printf("Writing to BUCKCORE_REG failed: %d\n", ret); + return ret; + } - ret |= pmic_reg_read(p, DA9053_SUPPLY_REG, &val); + pmic_reg_read(p, DA9053_SUPPLY_REG, &val); val |= DA9052_SUPPLY_VBCOREGO; - ret |= pmic_reg_write(p, DA9053_SUPPLY_REG, val); + ret = pmic_reg_write(p, DA9053_SUPPLY_REG, val); + if (ret) { + printf("Writing to SUPPLY_REG failed: %d\n", ret); + return ret; + } /* Set Vcc peripheral to 1.30V */ - ret |= pmic_reg_write(p, DA9053_BUCKPRO_REG, 0x62); - ret |= pmic_reg_write(p, DA9053_SUPPLY_REG, 0x62); + ret = pmic_reg_write(p, DA9053_BUCKPRO_REG, 0x62); + if (ret) { + printf("Writing to BUCKPRO_REG failed: %d\n", ret); + return ret; + } + + ret = pmic_reg_write(p, DA9053_SUPPLY_REG, 0x62); + if (ret) { + printf("Writing to SUPPLY_REG failed: %d\n", ret); + return ret; + } + + return ret; } if (!i2c_probe(CONFIG_SYS_FSL_PMIC_I2C_ADDR)) { @@ -381,28 +400,50 @@ static int power_init(void) pmic_reg_read(p, REG_SW_0, &val); val = (val & ~SWx_VOLT_MASK_MC34708) | SWx_1_250V_MC34708; ret = pmic_reg_write(p, REG_SW_0, val); + if (ret) { + printf("Writing to REG_SW_0 failed: %d\n", ret); + return ret; + } /* Set VCC as 1.30V on SW2 */ pmic_reg_read(p, REG_SW_1, &val); val = (val & ~SWx_VOLT_MASK_MC34708) | SWx_1_300V_MC34708; - ret |= pmic_reg_write(p, REG_SW_1, val); + ret = pmic_reg_write(p, REG_SW_1, val); + if (ret) { + printf("Writing to REG_SW_1 failed: %d\n", ret); + return ret; + } /* Set global reset timer to 4s */ pmic_reg_read(p, REG_POWER_CTL2, &val); val = (val & ~TIMER_MASK_MC34708) | TIMER_4S_MC34708; - ret |= pmic_reg_write(p, REG_POWER_CTL2, val); + ret = pmic_reg_write(p, REG_POWER_CTL2, val); + if (ret) { + printf("Writing to REG_POWER_CTL2 failed: %d\n", ret); + return ret; + } /* Set VUSBSEL and VUSBEN for USB PHY supply*/ pmic_reg_read(p, REG_MODE_0, &val); val |= (VUSBSEL_MC34708 | VUSBEN_MC34708); - ret |= pmic_reg_write(p, REG_MODE_0, val); + ret = pmic_reg_write(p, REG_MODE_0, val); + if (ret) { + printf("Writing to REG_MODE_0 failed: %d\n", ret); + return ret; + } /* Set SWBST to 5V in auto mode */ val = SWBST_AUTO; - ret |= pmic_reg_write(p, SWBST_CTRL, val); + ret = pmic_reg_write(p, SWBST_CTRL, val); + if (ret) { + printf("Writing to SWBST_CTRL failed: %d\n", ret); + return ret; + } + + return ret; } - return ret; + return -1; } static void clock_1GHz(void) |