From 066d97c73300bbabf7ec63ee2cab6d8bf79b5771 Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Mon, 2 Oct 2017 15:47:29 -0300 Subject: wandboard: Add support for the latest revd1 revision Latest wandboard hardware revision is revd1, which brings the following new features: - PFUZE100 PMIC - AR8035 Ethernet PHY - Upgrade Wifi/BT chip to BCM4339/BCM43430. The detection mechanism is to probe the PMIC and when it is found, then the revision of the board is revd1. As the detection is done via PMIC, we need to print the board version at a later stage via CONFIG_DISPLAY_BOARDINFO_LATE and also need to disable CONFIG_DISPLAY_BOARDINFO, which is done much earlier. Make the necessary adjustments for the AR8035 PHY to work on revd1. Based on Richard Hu's work from Technexion's U-Boot tree. Signed-off-by: Fabio Estevam --- board/wandboard/wandboard.c | 108 ++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 103 insertions(+), 5 deletions(-) (limited to 'board/wandboard') diff --git a/board/wandboard/wandboard.c b/board/wandboard/wandboard.c index dde4988..6d2609c 100644 --- a/board/wandboard/wandboard.c +++ b/board/wandboard/wandboard.c @@ -30,6 +30,8 @@ #include #include #include +#include +#include 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"); -- cgit v1.1