diff options
author | Tim Harvey <tharvey@gateworks.com> | 2017-03-17 14:30:38 (GMT) |
---|---|---|
committer | Stefano Babic <sbabic@denx.de> | 2017-03-20 18:10:22 (GMT) |
commit | 8d1a6ff825a42d28fc4031d4f111b05b6898d7e8 (patch) | |
tree | d616f14aae815d08b7080ceeaa8fc7af534e0349 /board/gateworks/gw_ventana/common.c | |
parent | b4f4b0f54bcc4e2c6a97e0bc9b3a3a1aea3cb41c (diff) | |
download | u-boot-8d1a6ff825a42d28fc4031d4f111b05b6898d7e8.tar.xz |
imx: ventana: add GW5904 support
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Diffstat (limited to 'board/gateworks/gw_ventana/common.c')
-rw-r--r-- | board/gateworks/gw_ventana/common.c | 224 |
1 files changed, 215 insertions, 9 deletions
diff --git a/board/gateworks/gw_ventana/common.c b/board/gateworks/gw_ventana/common.c index 3dc5f88..d609894 100644 --- a/board/gateworks/gw_ventana/common.c +++ b/board/gateworks/gw_ventana/common.c @@ -38,6 +38,19 @@ void setup_iomux_uart(void) } /* MMC */ +static iomux_v3_cfg_t const gw5904_emmc_pads[] = { + IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL)), +}; static iomux_v3_cfg_t const usdhc3_pads[] = { IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), @@ -352,6 +365,41 @@ static iomux_v3_cfg_t const gw553x_gpio_pads[] = { IOMUX_PADS(PAD_GPIO_17__GPIO7_IO12 | DIO_PAD_CFG), }; +static iomux_v3_cfg_t const gw5904_gpio_pads[] = { + /* USB_HUBRST# */ + IOMUX_PADS(PAD_GPIO_9__GPIO1_IO09 | DIO_PAD_CFG), + /* PANLEDG# */ + IOMUX_PADS(PAD_KEY_COL0__GPIO4_IO06 | DIO_PAD_CFG), + /* PANLEDR# */ + IOMUX_PADS(PAD_KEY_ROW0__GPIO4_IO07 | DIO_PAD_CFG), + /* MX6_LOCLED# */ + IOMUX_PADS(PAD_KEY_ROW4__GPIO4_IO15 | DIO_PAD_CFG), + /* IOEXP_PWREN# */ + IOMUX_PADS(PAD_EIM_A19__GPIO2_IO19 | DIO_PAD_CFG), + /* IOEXP_IRQ# */ + IOMUX_PADS(PAD_EIM_A20__GPIO2_IO18 | MUX_PAD_CTRL(IRQ_PAD_CTRL)), + /* DIOI2C_DIS# */ + IOMUX_PADS(PAD_GPIO_19__GPIO4_IO05 | DIO_PAD_CFG), + /* UART_RS485 */ + IOMUX_PADS(PAD_DISP0_DAT2__GPIO4_IO23 | DIO_PAD_CFG), + /* UART_HALF */ + IOMUX_PADS(PAD_DISP0_DAT3__GPIO4_IO24 | DIO_PAD_CFG), + /* SKT1_WDIS# */ + IOMUX_PADS(PAD_DISP0_DAT17__GPIO5_IO11 | DIO_PAD_CFG), + /* SKT1_RST# */ + IOMUX_PADS(PAD_DISP0_DAT18__GPIO5_IO12 | DIO_PAD_CFG), + /* SKT2_WDIS# */ + IOMUX_PADS(PAD_DISP0_DAT19__GPIO5_IO13 | DIO_PAD_CFG), + /* SKT2_RST# */ + IOMUX_PADS(PAD_GPIO_0__GPIO1_IO00 | DIO_PAD_CFG), + /* M2_OFF# */ + IOMUX_PADS(PAD_SD2_DAT0__GPIO1_IO15 | DIO_PAD_CFG), + /* M2_WDIS# */ + IOMUX_PADS(PAD_SD2_DAT1__GPIO1_IO14 | DIO_PAD_CFG), + /* M2_RST# */ + IOMUX_PADS(PAD_SD2_DAT2__GPIO1_IO13 | DIO_PAD_CFG), +}; + /* Digital I/O */ struct dio_cfg gw51xx_dio[] = { { @@ -566,6 +614,81 @@ struct dio_cfg gw553x_dio[] = { }, }; +struct dio_cfg gw5904_dio[] = { + { + { IOMUX_PADS(PAD_SD1_DAT0__GPIO1_IO16) }, + IMX_GPIO_NR(1, 16), + { 0, 0 }, + 0 + }, + { + { IOMUX_PADS(PAD_SD1_DAT2__GPIO1_IO19) }, + IMX_GPIO_NR(1, 19), + { IOMUX_PADS(PAD_SD1_DAT2__PWM2_OUT) }, + 2 + }, + { + { IOMUX_PADS(PAD_SD1_DAT1__GPIO1_IO17) }, + IMX_GPIO_NR(1, 17), + { IOMUX_PADS(PAD_SD1_DAT1__PWM3_OUT) }, + 3 + }, + { + {IOMUX_PADS(PAD_SD1_CLK__GPIO1_IO20) }, + IMX_GPIO_NR(1, 20), + { 0, 0 }, + 0 + }, + { + {IOMUX_PADS(PAD_NANDF_D0__GPIO2_IO00) }, + IMX_GPIO_NR(2, 0), + { 0, 0 }, + 0 + }, + { + {IOMUX_PADS(PAD_NANDF_D1__GPIO2_IO01) }, + IMX_GPIO_NR(2, 1), + { 0, 0 }, + 0 + }, + { + {IOMUX_PADS(PAD_NANDF_D2__GPIO2_IO02) }, + IMX_GPIO_NR(2, 2), + { 0, 0 }, + 0 + }, + { + {IOMUX_PADS(PAD_NANDF_D3__GPIO2_IO03) }, + IMX_GPIO_NR(2, 3), + { 0, 0 }, + 0 + }, + { + {IOMUX_PADS(PAD_NANDF_D4__GPIO2_IO04) }, + IMX_GPIO_NR(2, 4), + { 0, 0 }, + 0 + }, + { + {IOMUX_PADS(PAD_NANDF_D5__GPIO2_IO05) }, + IMX_GPIO_NR(2, 5), + { 0, 0 }, + 0 + }, + { + {IOMUX_PADS(PAD_NANDF_D6__GPIO2_IO06) }, + IMX_GPIO_NR(2, 6), + { 0, 0 }, + 0 + }, + { + {IOMUX_PADS(PAD_NANDF_D7__GPIO2_IO07) }, + IMX_GPIO_NR(2, 7), + { 0, 0 }, + 0 + }, +}; + /* * Board Specific GPIO */ @@ -588,6 +711,7 @@ struct ventana gpio_cfg[GW_UNKNOWN] = { .dioi2c_en = IMX_GPIO_NR(4, 5), .pcie_sson = IMX_GPIO_NR(1, 20), .otgpwr_en = IMX_GPIO_NR(3, 22), + .mmc_cd = IMX_GPIO_NR(7, 0), }, /* GW51xx */ @@ -631,6 +755,7 @@ struct ventana gpio_cfg[GW_UNKNOWN] = { .rs232_en = GP_RS232_EN, .otgpwr_en = IMX_GPIO_NR(3, 22), .vsel_pin = IMX_GPIO_NR(6, 14), + .mmc_cd = IMX_GPIO_NR(7, 0), }, /* GW53xx */ @@ -654,6 +779,7 @@ struct ventana gpio_cfg[GW_UNKNOWN] = { .rs232_en = GP_RS232_EN, .otgpwr_en = IMX_GPIO_NR(3, 22), .vsel_pin = IMX_GPIO_NR(6, 14), + .mmc_cd = IMX_GPIO_NR(7, 0), }, /* GW54xx */ @@ -679,6 +805,7 @@ struct ventana gpio_cfg[GW_UNKNOWN] = { .rs232_en = GP_RS232_EN, .otgpwr_en = IMX_GPIO_NR(3, 22), .vsel_pin = IMX_GPIO_NR(6, 14), + .mmc_cd = IMX_GPIO_NR(7, 0), }, /* GW551x */ @@ -726,6 +853,24 @@ struct ventana gpio_cfg[GW_UNKNOWN] = { .wdis = IMX_GPIO_NR(7, 12), .otgpwr_en = IMX_GPIO_NR(3, 22), .vsel_pin = IMX_GPIO_NR(6, 14), + .mmc_cd = IMX_GPIO_NR(7, 0), + }, + + /* GW5904 */ + { + .gpio_pads = gw5904_gpio_pads, + .num_pads = ARRAY_SIZE(gw5904_gpio_pads)/2, + .dio_cfg = gw5904_dio, + .dio_num = ARRAY_SIZE(gw5904_dio), + .leds = { + IMX_GPIO_NR(4, 6), + IMX_GPIO_NR(4, 7), + IMX_GPIO_NR(4, 15), + }, + .pcie_rst = IMX_GPIO_NR(1, 0), + .mezz_pwren = IMX_GPIO_NR(2, 19), + .mezz_irq = IMX_GPIO_NR(2, 18), + .otgpwr_en = IMX_GPIO_NR(3, 22), }, }; @@ -834,6 +979,30 @@ void setup_iomux_gpio(int board, struct ventana_board_info *info) gpio_direction_input(gpio_cfg[board].vsel_pin); gpio_cfg[board].usd_vsel = !gpio_get_value(gpio_cfg[board].vsel_pin); } + + /* microSD CD */ + if (gpio_cfg[board].mmc_cd) { + gpio_request(gpio_cfg[board].mmc_cd, "sd_cd"); + gpio_direction_input(gpio_cfg[board].mmc_cd); + } + + /* Anything else board specific */ + switch(board) { + case GW5904: + gpio_request(IMX_GPIO_NR(5, 11), "skt1_wdis#"); + gpio_direction_output(IMX_GPIO_NR(5, 11), 1); + gpio_request(IMX_GPIO_NR(5, 12), "skt1_rst#"); + gpio_direction_output(IMX_GPIO_NR(5, 12), 1); + gpio_request(IMX_GPIO_NR(5, 13), "skt2_wdis#"); + gpio_direction_output(IMX_GPIO_NR(5, 13), 1); + gpio_request(IMX_GPIO_NR(1, 15), "m2_off#"); + gpio_direction_output(IMX_GPIO_NR(1, 15), 1); + gpio_request(IMX_GPIO_NR(1, 14), "m2_wdis#"); + gpio_direction_output(IMX_GPIO_NR(1, 14), 1); + gpio_request(IMX_GPIO_NR(1, 13), "m2_rst#"); + gpio_direction_output(IMX_GPIO_NR(1, 13), 1); + break; + } } /* setup GPIO pinmux and default configuration per baseboard and env */ @@ -995,19 +1164,56 @@ static struct fsl_esdhc_cfg usdhc_cfg = { USDHC3_BASE_ADDR }; int board_mmc_init(bd_t *bis) { - /* Only one USDHC controller on Ventana */ - SETUP_IOMUX_PADS(usdhc3_pads); - usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); - usdhc_cfg.max_bus_width = 4; - - return fsl_esdhc_initialize(bis, &usdhc_cfg); + struct ventana_board_info ventana_info; + int board_type = read_eeprom(CONFIG_I2C_GSC, &ventana_info); + int ret; + + switch (board_type) { + case GW52xx: + case GW53xx: + case GW54xx: + case GW553x: + /* usdhc3: 4bit microSD */ + SETUP_IOMUX_PADS(usdhc3_pads); + usdhc_cfg.esdhc_base = USDHC3_BASE_ADDR; + usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + usdhc_cfg.max_bus_width = 4; + return fsl_esdhc_initialize(bis, &usdhc_cfg); + case GW5904: + /* usdhc3: 8bit eMMC */ + SETUP_IOMUX_PADS(gw5904_emmc_pads); + usdhc_cfg.esdhc_base = USDHC3_BASE_ADDR; + usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + usdhc_cfg.max_bus_width = 8; + return fsl_esdhc_initialize(bis, &usdhc_cfg); + default: + /* doesn't have MMC */ + return -1; + } } int board_mmc_getcd(struct mmc *mmc) { + struct ventana_board_info ventana_info; + struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; + int board = read_eeprom(CONFIG_I2C_GSC, &ventana_info); + int gpio = gpio_cfg[board].mmc_cd; + /* Card Detect */ - gpio_request(GP_SD3_CD, "sd_cd"); - gpio_direction_input(GP_SD3_CD); - return !gpio_get_value(GP_SD3_CD); + switch (board) { + case GW5904: + /* emmc is always present */ + if (cfg->esdhc_base == USDHC3_BASE_ADDR) + return 1; + break; + } + + if (gpio) { + debug("%s: gpio%d=%d\n", __func__, gpio, gpio_get_value(gpio)); + return !gpio_get_value(gpio); + } + + return -1; } + #endif /* CONFIG_FSL_ESDHC */ |