diff options
| -rw-r--r-- | board/freescale/mx53loco/mx53loco.c | 71 | ||||
| -rw-r--r-- | include/configs/mx53loco.h | 14 |
2 files changed, 85 insertions, 0 deletions
diff --git a/board/freescale/mx53loco/mx53loco.c b/board/freescale/mx53loco/mx53loco.c index 46aaeb2..0dcec9b 100644 --- a/board/freescale/mx53loco/mx53loco.c +++ b/board/freescale/mx53loco/mx53loco.c @@ -36,6 +36,8 @@ #include <mmc.h> #include <fsl_esdhc.h> #include <asm/gpio.h> +#include <pmic.h> +#include <dialog_pmic.h> DECLARE_GLOBAL_DATA_PTR; @@ -291,6 +293,71 @@ int board_mmc_init(bd_t *bis) } #endif +static void setup_iomux_i2c(void) +{ + /* I2C1 SDA */ + mxc_request_iomux(MX53_PIN_CSI0_D8, + IOMUX_CONFIG_ALT5 | IOMUX_CONFIG_SION); + mxc_iomux_set_input(MX53_I2C1_IPP_SDA_IN_SELECT_INPUT, + INPUT_CTL_PATH0); + mxc_iomux_set_pad(MX53_PIN_CSI0_D8, + PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH | + PAD_CTL_100K_PU | PAD_CTL_PKE_ENABLE | + PAD_CTL_PUE_PULL | + PAD_CTL_ODE_OPENDRAIN_ENABLE); + /* I2C1 SCL */ + mxc_request_iomux(MX53_PIN_CSI0_D9, + IOMUX_CONFIG_ALT5 | IOMUX_CONFIG_SION); + mxc_iomux_set_input(MX53_I2C1_IPP_SCL_IN_SELECT_INPUT, + INPUT_CTL_PATH0); + mxc_iomux_set_pad(MX53_PIN_CSI0_D9, + PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH | + PAD_CTL_100K_PU | PAD_CTL_PKE_ENABLE | + PAD_CTL_PUE_PULL | + PAD_CTL_ODE_OPENDRAIN_ENABLE); +} + +static int power_init(void) +{ + unsigned int val, ret; + struct pmic *p; + + pmic_init(); + p = get_pmic(); + + /* Set VDDA to 1.25V */ + val = DA9052_BUCKCORE_BCOREEN | DA_BUCKCORE_VBCORE_1_250V; + ret = pmic_reg_write(p, DA9053_BUCKCORE_REG, val); + + ret |= pmic_reg_read(p, DA9053_SUPPLY_REG, &val); + val |= DA9052_SUPPLY_VBCOREGO; + ret |= pmic_reg_write(p, DA9053_SUPPLY_REG, val); + + /* Set Vcc peripheral to 1.35V */ + ret |= pmic_reg_write(p, DA9053_BUCKPRO_REG, 0x62); + ret |= pmic_reg_write(p, DA9053_SUPPLY_REG, 0x62); + + return ret; +} + +static void clock_1GHz(void) +{ + int ret; + u32 ref_clk = CONFIG_SYS_MX5_HCLK; + /* + * After increasing voltage to 1.25V, we can switch + * CPU clock to 1GHz and DDR to 400MHz safely + */ + ret = mxc_set_clock(ref_clk, 1000, MXC_ARM_CLK); + if (ret) + printf("CPU: Switch CPU clock to 1GHZ failed\n"); + + ret = mxc_set_clock(ref_clk, 400, MXC_PERIPH_CLK); + ret |= mxc_set_clock(ref_clk, 400, MXC_DDR_CLK); + if (ret) + printf("CPU: Switch DDR clock to 400MHz failed\n"); +} + int board_early_init_f(void) { setup_iomux_uart(); @@ -316,7 +383,11 @@ int print_cpuinfo(void) #ifdef CONFIG_BOARD_LATE_INIT int board_late_init(void) { + setup_iomux_i2c(); + if (!power_init()) + clock_1GHz(); print_cpuinfo(); + return 0; } #endif diff --git a/include/configs/mx53loco.h b/include/configs/mx53loco.h index 0778bde..8f43eec 100644 --- a/include/configs/mx53loco.h +++ b/include/configs/mx53loco.h @@ -41,6 +41,7 @@ #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 2 * 1024 * 1024) #define CONFIG_BOARD_EARLY_INIT_F +#define CONFIG_BOARD_LATE_INIT #define CONFIG_MXC_GPIO #define CONFIG_MXC_UART @@ -85,6 +86,19 @@ #define CONFIG_MXC_USB_PORTSC (PORT_PTS_UTMI | PORT_PTS_PTW) #define CONFIG_MXC_USB_FLAGS 0 +/* I2C Configs */ +#define CONFIG_HARD_I2C +#define CONFIG_I2C_MXC +#define CONFIG_SYS_I2C_MX53_PORT1 +#define CONFIG_SYS_I2C_SPEED 100000 +#define CONFIG_SYS_I2C_SLAVE 0xfe + +/* PMIC Controller */ +#define CONFIG_PMIC +#define CONFIG_PMIC_I2C +#define CONFIG_DIALOG_PMIC +#define CONFIG_SYS_DIALOG_PMIC_I2C_ADDR 0x48 + /* allow to overwrite serial and ethaddr */ #define CONFIG_ENV_OVERWRITE #define CONFIG_CONS_INDEX 1 |