diff options
Diffstat (limited to 'board/gateworks/gw_ventana/common.c')
| -rw-r--r-- | board/gateworks/gw_ventana/common.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/board/gateworks/gw_ventana/common.c b/board/gateworks/gw_ventana/common.c index 4065c56..eb14cb7 100644 --- a/board/gateworks/gw_ventana/common.c +++ b/board/gateworks/gw_ventana/common.c @@ -6,10 +6,12 @@ * SPDX-License-Identifier: GPL-2.0+ */ +#include <asm/arch/clock.h> #include <asm/arch/mx6-pins.h> #include <asm/arch/sys_proto.h> #include <asm/gpio.h> #include <asm/imx-common/mxc_i2c.h> +#include <fsl_esdhc.h> #include <hwconfig.h> #include <power/pmic.h> #include <power/ltc3676_pmic.h> @@ -35,6 +37,17 @@ void setup_iomux_uart(void) SETUP_IOMUX_PADS(uart2_pads); } +/* MMC */ +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)), + 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_DAT5__GPIO7_IO00 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), +}; + /* I2C1: GSC */ static struct i2c_pads_info mx6q_i2c_pad_info0 = { .scl = { @@ -964,3 +977,25 @@ void setup_pmic(void) } } } + +#ifdef CONFIG_FSL_ESDHC +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); +} + +int board_mmc_getcd(struct mmc *mmc) +{ + /* Card Detect */ + gpio_request(GP_SD3_CD, "sd_cd"); + gpio_direction_input(GP_SD3_CD); + return !gpio_get_value(GP_SD3_CD); +} +#endif /* CONFIG_FSL_ESDHC */ |