diff options
Diffstat (limited to 'board/technexion/pico-imx7d/spl.c')
| -rw-r--r-- | board/technexion/pico-imx7d/spl.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/board/technexion/pico-imx7d/spl.c b/board/technexion/pico-imx7d/spl.c index 8c3443875d..92a46463db 100644 --- a/board/technexion/pico-imx7d/spl.c +++ b/board/technexion/pico-imx7d/spl.c @@ -5,11 +5,15 @@ * Author: Richard Hu <richard.hu@technexion.com> */ +#include <asm/arch/clock.h> #include <asm/arch/imx-regs.h> #include <asm/arch/crm_regs.h> +#include <asm/arch/mx7-pins.h> #include <asm/arch/sys_proto.h> #include <asm/arch-mx7/mx7-ddr.h> +#include <asm/mach-imx/iomux-v3.h> #include <asm/gpio.h> +#include <fsl_esdhc.h> #include <spl.h> #if defined(CONFIG_SPL_BUILD) @@ -119,4 +123,38 @@ void board_init_f(ulong dummy) void reset_cpu(ulong addr) { } + +#define USDHC_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \ + PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM) + +static iomux_v3_cfg_t const usdhc3_pads[] = { + MX7D_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX7D_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX7D_PAD_SD3_DATA0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX7D_PAD_SD3_DATA1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX7D_PAD_SD3_DATA2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX7D_PAD_SD3_DATA3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX7D_PAD_SD3_DATA4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX7D_PAD_SD3_DATA5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX7D_PAD_SD3_DATA6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX7D_PAD_SD3_DATA7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX7D_PAD_GPIO1_IO14__GPIO1_IO14 | MUX_PAD_CTRL(USDHC_PAD_CTRL), +}; + +static struct fsl_esdhc_cfg usdhc_cfg[1] = { + {USDHC3_BASE_ADDR}, +}; + +int board_mmc_getcd(struct mmc *mmc) +{ + /* Assume uSDHC3 emmc is always present */ + return 1; +} + +int board_mmc_init(bd_t *bis) +{ + imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); +} #endif |