diff options
Diffstat (limited to 'board/toradex/apalis-tk1/as3722_init.c')
| -rw-r--r-- | board/toradex/apalis-tk1/as3722_init.c | 85 |
1 files changed, 47 insertions, 38 deletions
diff --git a/board/toradex/apalis-tk1/as3722_init.c b/board/toradex/apalis-tk1/as3722_init.c index 68169f5548..e9bd1028be 100644 --- a/board/toradex/apalis-tk1/as3722_init.c +++ b/board/toradex/apalis-tk1/as3722_init.c @@ -8,25 +8,40 @@ #include <asm/io.h> #include <asm/arch-tegra/tegra_i2c.h> #include <linux/delay.h> -#include "as3722_init.h" -/* AS3722-PMIC-specific early init code - get CPU rails up, etc */ +/* AS3722-PMIC-specific early init regs */ -void tegra_i2c_ll_write_addr(uint addr, uint config) -{ - struct i2c_ctlr *reg = (struct i2c_ctlr *)TEGRA_DVC_BASE; +#define AS3722_I2C_ADDR 0x80 - writel(addr, ®->cmd_addr0); - writel(config, ®->cnfg); -} +#define AS3722_SD0VOLTAGE_REG 0x00 /* CPU */ +#define AS3722_SD1VOLTAGE_REG 0x01 /* CORE, already set by OTP */ +#define AS3722_SD6VOLTAGE_REG 0x06 /* GPU */ +#define AS3722_SDCONTROL_REG 0x4D -void tegra_i2c_ll_write_data(uint data, uint config) -{ - struct i2c_ctlr *reg = (struct i2c_ctlr *)TEGRA_DVC_BASE; +#define AS3722_LDO1VOLTAGE_REG 0x11 /* VDD_SDMMC1 */ +#define AS3722_LDO2VOLTAGE_REG 0x12 /* VPP_FUSE */ +#define AS3722_LDO6VOLTAGE_REG 0x16 /* VDD_SDMMC3 */ +#define AS3722_LDCONTROL_REG 0x4E - writel(data, ®->cmd_data1); - writel(config, ®->cnfg); -} +#define AS3722_SD0VOLTAGE_DATA (0x3C00 | AS3722_SD0VOLTAGE_REG) +#define AS3722_SD0CONTROL_DATA (0x0100 | AS3722_SDCONTROL_REG) + +#define AS3722_SD1VOLTAGE_DATA (0x3200 | AS3722_SD1VOLTAGE_REG) +#define AS3722_SD1CONTROL_DATA (0x0200 | AS3722_SDCONTROL_REG) + +#define AS3722_SD6CONTROL_DATA (0x4000 | AS3722_SDCONTROL_REG) +#define AS3722_SD6VOLTAGE_DATA (0x2800 | AS3722_SD6VOLTAGE_REG) + +#define AS3722_LDO1CONTROL_DATA (0x0200 | AS3722_LDCONTROL_REG) +#define AS3722_LDO1VOLTAGE_DATA (0x7F00 | AS3722_LDO1VOLTAGE_REG) + +#define AS3722_LDO2CONTROL_DATA (0x0400 | AS3722_LDCONTROL_REG) +#define AS3722_LDO2VOLTAGE_DATA (0x1000 | AS3722_LDO2VOLTAGE_REG) + +#define AS3722_LDO6CONTROL_DATA (0x4000 | AS3722_LDCONTROL_REG) +#define AS3722_LDO6VOLTAGE_DATA (0x3F00 | AS3722_LDO6VOLTAGE_REG) + +/* AS3722-PMIC-specific early init code - get CPU rails up, etc */ void pmic_enable_cpu_vdd(void) { @@ -36,8 +51,8 @@ void pmic_enable_cpu_vdd(void) /* Set up VDD_CORE, for boards where OTP is incorrect*/ debug("%s: Setting VDD_CORE via AS3722 reg 1\n", __func__); /* Configure VDD_CORE via the AS3722 PMIC on the PWR I2C bus */ - tegra_i2c_ll_write_addr(AS3722_I2C_ADDR, 2); - tegra_i2c_ll_write_data(AS3722_SD1VOLTAGE_DATA, I2C_SEND_2_BYTES); + tegra_i2c_ll_write(AS3722_I2C_ADDR, + AS3722_SD1VOLTAGE_DATA); /* * Don't write SDCONTROL - it's already 0x7F, i.e. all SDs enabled. * tegra_i2c_ll_write_data(AS3722_SD1CONTROL_DATA, I2C_SEND_2_BYTES); @@ -49,23 +64,17 @@ void pmic_enable_cpu_vdd(void) * Make sure all non-fused regulators are down. * That way we're in known state after software reboot from linux */ - tegra_i2c_ll_write_addr(AS3722_I2C_ADDR, 2); - tegra_i2c_ll_write_data(0x0003, I2C_SEND_2_BYTES); + tegra_i2c_ll_write(AS3722_I2C_ADDR, 0x0003); udelay(10 * 1000); - tegra_i2c_ll_write_addr(AS3722_I2C_ADDR, 2); - tegra_i2c_ll_write_data(0x0004, I2C_SEND_2_BYTES); + tegra_i2c_ll_write(AS3722_I2C_ADDR, 0x0004); udelay(10 * 1000); - tegra_i2c_ll_write_addr(AS3722_I2C_ADDR, 2); - tegra_i2c_ll_write_data(0x001b, I2C_SEND_2_BYTES); + tegra_i2c_ll_write(AS3722_I2C_ADDR, 0x001b); udelay(10 * 1000); - tegra_i2c_ll_write_addr(AS3722_I2C_ADDR, 2); - tegra_i2c_ll_write_data(0x0014, I2C_SEND_2_BYTES); + tegra_i2c_ll_write(AS3722_I2C_ADDR, 0x0014); udelay(10 * 1000); - tegra_i2c_ll_write_addr(AS3722_I2C_ADDR, 2); - tegra_i2c_ll_write_data(0x001a, I2C_SEND_2_BYTES); + tegra_i2c_ll_write(AS3722_I2C_ADDR, 0x001a); udelay(10 * 1000); - tegra_i2c_ll_write_addr(AS3722_I2C_ADDR, 2); - tegra_i2c_ll_write_data(0x0019, I2C_SEND_2_BYTES); + tegra_i2c_ll_write(AS3722_I2C_ADDR, 0x0019); udelay(10 * 1000); debug("%s: Setting VDD_CPU to 1.0V via AS3722 reg 0/4D\n", __func__); @@ -73,8 +82,8 @@ void pmic_enable_cpu_vdd(void) * Bring up VDD_CPU via the AS3722 PMIC on the PWR I2C bus. * First set VDD to 1.0V, then enable the VDD regulator. */ - tegra_i2c_ll_write_addr(AS3722_I2C_ADDR, 2); - tegra_i2c_ll_write_data(AS3722_SD0VOLTAGE_DATA, I2C_SEND_2_BYTES); + tegra_i2c_ll_write(AS3722_I2C_ADDR, + AS3722_SD0VOLTAGE_DATA); /* * Don't write SDCONTROL - it's already 0x7F, i.e. all SDs enabled. * tegra_i2c_ll_write_data(AS3722_SD0CONTROL_DATA, I2C_SEND_2_BYTES); @@ -86,8 +95,8 @@ void pmic_enable_cpu_vdd(void) * Bring up VDD_GPU via the AS3722 PMIC on the PWR I2C bus. * First set VDD to 1.0V, then enable the VDD regulator. */ - tegra_i2c_ll_write_addr(AS3722_I2C_ADDR, 2); - tegra_i2c_ll_write_data(AS3722_SD6VOLTAGE_DATA, I2C_SEND_2_BYTES); + tegra_i2c_ll_write(AS3722_I2C_ADDR, + AS3722_SD6VOLTAGE_DATA); /* * Don't write SDCONTROL - it's already 0x7F, i.e. all SDs enabled. * tegra_i2c_ll_write_data(AS3722_SD6CONTROL_DATA, I2C_SEND_2_BYTES); @@ -99,8 +108,8 @@ void pmic_enable_cpu_vdd(void) * Bring up VPP_FUSE via the AS3722 PMIC on the PWR I2C bus. * First set VDD to 1.2V, then enable the VDD regulator. */ - tegra_i2c_ll_write_addr(AS3722_I2C_ADDR, 2); - tegra_i2c_ll_write_data(AS3722_LDO2VOLTAGE_DATA, I2C_SEND_2_BYTES); + tegra_i2c_ll_write(AS3722_I2C_ADDR, + AS3722_LDO2VOLTAGE_DATA); /* * Don't write LDCONTROL - it's already 0xFF, i.e. all LDOs enabled. * tegra_i2c_ll_write_data(AS3722_LDO2CONTROL_DATA, I2C_SEND_2_BYTES); @@ -115,8 +124,8 @@ void pmic_enable_cpu_vdd(void) * NOTE: We do this early because doing it later seems to hose the CPU * power rail/partition startup. Need to debug. */ - tegra_i2c_ll_write_addr(AS3722_I2C_ADDR, 2); - tegra_i2c_ll_write_data(AS3722_LDO1VOLTAGE_DATA, I2C_SEND_2_BYTES); + tegra_i2c_ll_write(AS3722_I2C_ADDR, + AS3722_LDO1VOLTAGE_DATA); /* * Don't write LDCONTROL - it's already 0xFF, i.e. all LDOs enabled. * tegra_i2c_ll_write_data(AS3722_LDO1CONTROL_DATA, I2C_SEND_2_BYTES); @@ -131,8 +140,8 @@ void pmic_enable_cpu_vdd(void) * NOTE: We do this early because doing it later seems to hose the CPU * power rail/partition startup. Need to debug. */ - tegra_i2c_ll_write_addr(AS3722_I2C_ADDR, 2); - tegra_i2c_ll_write_data(AS3722_LDO6VOLTAGE_DATA, I2C_SEND_2_BYTES); + tegra_i2c_ll_write(AS3722_I2C_ADDR, + AS3722_LDO6VOLTAGE_DATA); /* * Don't write LDCONTROL - it's already 0xFF, i.e. all LDOs enabled. * tegra_i2c_ll_write_data(AS3722_LDO6CONTROL_DATA, I2C_SEND_2_BYTES); |