From ffa11c33811b610a6ad2b029debc1159a52805de Mon Sep 17 00:00:00 2001 From: Jagan Teki Date: Fri, 24 Feb 2017 15:45:23 +0530 Subject: imx6: icorem6_rqs: Add eMMC boot support Boot from eMMC: -------------- U-Boot SPL 2017.01-00318-g8e243f8 (Jan 26 2017 - 11:53:21) Trying to boot from MMC2 U-Boot 2017.01-00318-g8e243f8 (Jan 26 2017 - 11:53:21 +0100) CPU: Freescale i.MX6D rev1.2 at 792 MHz Reset cause: POR Model: Engicam i.CoreM6 Quad/Dual RQS Starter Kit DRAM: 512 MiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial switch to partitions #0, OK mmc1(part 0) is current device Net: No ethernet found. Hit any key to stop autoboot: 0 Booting from mmc ... switch to partitions #0, OK mmc1(part 0) is current device Cc: Stefano Babic Cc: Matteo Lisi Cc: Michael Trimarchi Signed-off-by: Jagan Teki --- board/engicam/icorem6_rqs/icorem6_rqs.c | 24 ++++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) (limited to 'board/engicam') diff --git a/board/engicam/icorem6_rqs/icorem6_rqs.c b/board/engicam/icorem6_rqs/icorem6_rqs.c index e3c520fedf..175bda5860 100644 --- a/board/engicam/icorem6_rqs/icorem6_rqs.c +++ b/board/engicam/icorem6_rqs/icorem6_rqs.c @@ -77,8 +77,22 @@ static iomux_v3_cfg_t const usdhc3_pads[] = { IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), }; -struct fsl_esdhc_cfg usdhc_cfg[1] = { +static iomux_v3_cfg_t const usdhc4_pads[] = { + IOMUX_PADS(PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), +}; + +struct fsl_esdhc_cfg usdhc_cfg[2] = { {USDHC3_BASE_ADDR, 1, 4}, + {USDHC4_BASE_ADDR, 1, 8}, }; int board_mmc_getcd(struct mmc *mmc) @@ -88,6 +102,7 @@ int board_mmc_getcd(struct mmc *mmc) switch (cfg->esdhc_base) { case USDHC3_BASE_ADDR: + case USDHC4_BASE_ADDR: ret = 1; break; } @@ -102,7 +117,8 @@ int board_mmc_init(bd_t *bis) /* * According to the board_mmc_init() the following map is done: * (U-boot device node) (Physical Port) - * mmc0 USDHC3 + * mmc0 USDHC3 + * mmc1 USDHC4 */ for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { switch (i) { @@ -110,6 +126,10 @@ int board_mmc_init(bd_t *bis) SETUP_IOMUX_PADS(usdhc3_pads); usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); break; + case 1: + SETUP_IOMUX_PADS(usdhc4_pads); + usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); + break; default: printf("Warning - USDHC%d controller not supporting\n", i + 1); -- cgit