diff options
Diffstat (limited to 'board/wandboard')
| -rw-r--r-- | board/wandboard/wandboard.c | 108 |
1 files changed, 103 insertions, 5 deletions
diff --git a/board/wandboard/wandboard.c b/board/wandboard/wandboard.c index dde4988989..6d2609ce11 100644 --- a/board/wandboard/wandboard.c +++ b/board/wandboard/wandboard.c @@ -30,6 +30,8 @@ #include <phy.h> #include <input.h> #include <i2c.h> +#include <power/pmic.h> +#include <power/pfuze100_pmic.h> DECLARE_GLOBAL_DATA_PTR; @@ -51,8 +53,11 @@ DECLARE_GLOBAL_DATA_PTR; #define USDHC1_CD_GPIO IMX_GPIO_NR(1, 2) #define USDHC3_CD_GPIO IMX_GPIO_NR(3, 9) #define ETH_PHY_RESET IMX_GPIO_NR(3, 29) +#define ETH_PHY_AR8035_POWER IMX_GPIO_NR(7, 13) #define REV_DETECTION IMX_GPIO_NR(2, 28) +static bool with_pmic; + int dram_init(void) { gd->ram_size = imx_ddr_size(); @@ -107,6 +112,11 @@ static iomux_v3_cfg_t const enet_pads[] = { IOMUX_PADS(PAD_EIM_D29__GPIO3_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL)), }; +static iomux_v3_cfg_t const enet_ar8035_power_pads[] = { + /* AR8035 POWER */ + IOMUX_PADS(PAD_GPIO_18__GPIO7_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL)), +}; + static iomux_v3_cfg_t const rev_detection_pad[] = { IOMUX_PADS(PAD_EIM_EB0__GPIO2_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL)), }; @@ -120,6 +130,14 @@ static void setup_iomux_enet(void) { SETUP_IOMUX_PADS(enet_pads); + if (with_pmic) { + SETUP_IOMUX_PADS(enet_ar8035_power_pads); + /* enable AR8035 POWER */ + gpio_direction_output(ETH_PHY_AR8035_POWER, 0); + } + /* wait until 3.3V of PHY and clock become stable */ + mdelay(10); + /* Reset AR8031 PHY */ gpio_direction_output(ETH_PHY_RESET, 0); mdelay(10); @@ -192,6 +210,7 @@ int board_mmc_init(bd_t *bis) static int ar8031_phy_fixup(struct phy_device *phydev) { unsigned short val; + int mask; /* To enable AR8031 ouput a 125MHz clk from CLK_25M */ phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7); @@ -199,7 +218,12 @@ static int ar8031_phy_fixup(struct phy_device *phydev) phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007); val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe); - val &= 0xffe3; + if (with_pmic) + mask = 0xffe7; /* AR8035 */ + else + mask = 0xffe3; /* AR8031 */ + + val &= mask; val |= 0x18; phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val); @@ -257,6 +281,40 @@ struct i2c_pads_info mx6dl_i2c2_pad_info = { } }; +struct i2c_pads_info mx6q_i2c3_pad_info = { + .scl = { + .i2c_mode = MX6Q_PAD_GPIO_5__I2C3_SCL + | MUX_PAD_CTRL(I2C_PAD_CTRL), + .gpio_mode = MX6Q_PAD_GPIO_5__GPIO1_IO05 + | MUX_PAD_CTRL(I2C_PAD_CTRL), + .gp = IMX_GPIO_NR(1, 5) + }, + .sda = { + .i2c_mode = MX6Q_PAD_GPIO_16__I2C3_SDA + | MUX_PAD_CTRL(I2C_PAD_CTRL), + .gpio_mode = MX6Q_PAD_GPIO_16__GPIO7_IO11 + | MUX_PAD_CTRL(I2C_PAD_CTRL), + .gp = IMX_GPIO_NR(7, 11) + } +}; + +struct i2c_pads_info mx6dl_i2c3_pad_info = { + .scl = { + .i2c_mode = MX6DL_PAD_GPIO_5__I2C3_SCL + | MUX_PAD_CTRL(I2C_PAD_CTRL), + .gpio_mode = MX6DL_PAD_GPIO_5__GPIO1_IO05 + | MUX_PAD_CTRL(I2C_PAD_CTRL), + .gp = IMX_GPIO_NR(1, 5) + }, + .sda = { + .i2c_mode = MX6DL_PAD_GPIO_16__I2C3_SDA + | MUX_PAD_CTRL(I2C_PAD_CTRL), + .gpio_mode = MX6DL_PAD_GPIO_16__GPIO7_IO11 + | MUX_PAD_CTRL(I2C_PAD_CTRL), + .gp = IMX_GPIO_NR(7, 11) + } +}; + static iomux_v3_cfg_t const fwadapt_7wvga_pads[] = { IOMUX_PADS(PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK), IOMUX_PADS(PAD_DI0_PIN2__IPU1_DI0_PIN02), /* HSync */ @@ -385,6 +443,31 @@ int board_early_init_f(void) return 0; } +#define PMIC_I2C_BUS 2 + +int power_init_board(void) +{ + struct pmic *p; + u32 reg; + + /* configure PFUZE100 PMIC */ + power_pfuze100_init(PMIC_I2C_BUS); + p = pmic_get("PFUZE100"); + if (p && !pmic_probe(p)) { + pmic_reg_read(p, PFUZE100_DEVICEID, ®); + printf("PMIC: PFUZE100 ID=0x%02x\n", reg); + with_pmic = true; + + /* Set VGEN2 to 1.5V and enable */ + pmic_reg_read(p, PFUZE100_VGEN2VOL, ®); + reg &= ~(LDO_VOL_MASK); + reg |= (LDOA_1_50V | (1 << (LDO_EN))); + pmic_reg_write(p, PFUZE100_VGEN2VOL, reg); + } + + return 0; +} + /* * Do not overwrite the console * Use always serial for U-Boot console @@ -414,6 +497,14 @@ static bool is_revc1(void) return false; } +static bool is_revd1(void) +{ + if (with_pmic) + return true; + else + return false; +} + int board_late_init(void) { #ifdef CONFIG_CMD_BMODE @@ -426,7 +517,9 @@ int board_late_init(void) else env_set("board_rev", "MX6DL"); - if (is_revc1()) + if (is_revd1()) + env_set("board_name", "D1"); + else if (is_revc1()) env_set("board_name", "C1"); else env_set("board_name", "B1"); @@ -441,10 +534,13 @@ int board_init(void) #if defined(CONFIG_VIDEO_IPUV3) setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6dl_i2c2_pad_info); - if (is_mx6dq()) + if (is_mx6dq()) { setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c2_pad_info); - else + setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c3_pad_info); + } else { setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6dl_i2c2_pad_info); + setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6dl_i2c3_pad_info); + } setup_display(); #endif @@ -454,7 +550,9 @@ int board_init(void) int checkboard(void) { - if (is_revc1()) + if (is_revd1()) + puts("Board: Wandboard rev D1\n"); + else if (is_revc1()) puts("Board: Wandboard rev C1\n"); else puts("Board: Wandboard rev B1\n"); |