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ARM: embestmx6boards: convert the mars/riot boards to DM_MMC
Convert the two Embest boards to use DM MMC. Signed-off-by: Peter Robinson <pbrobinson@gmail.com> Cc: "Eric Bénard" <eric@eukrea.com> Cc: Fabio Estevam <fabio.estevam@nxp.com> Cc: Stefano Babic <sbabic@denx.de>
This commit is contained in:
Peter Robinson
Stefano Babic
parent
10ce58c081
commit
c32d240f70
5 changed files with 18 additions and 137 deletions
8
arch/arm/dts/imx6dl-riotboard-u-boot.dtsi
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8
arch/arm/dts/imx6dl-riotboard-u-boot.dtsi
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@ -0,0 +1,8 @@
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// SPDX-License-Identifier: GPL-2.0+
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/ {
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aliases {
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mmc0 = &usdhc2;
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mmc1 = &usdhc3;
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};
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};
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8
arch/arm/dts/imx6q-marsboard-u-boot.dtsi
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arch/arm/dts/imx6q-marsboard-u-boot.dtsi
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@ -0,0 +1,8 @@
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// SPDX-License-Identifier: GPL-2.0+
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/ {
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aliases {
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mmc0 = &usdhc2;
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mmc1 = &usdhc3;
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};
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};
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@ -31,8 +31,6 @@
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#include <asm/mach-imx/video.h>
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#include <i2c.h>
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#include <input.h>
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#include <mmc.h>
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#include <fsl_esdhc_imx.h>
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#include <miiphy.h>
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#include <netdev.h>
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#include <asm/arch/mxc_hdmi.h>
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@ -150,141 +148,6 @@ int board_phy_config(struct phy_device *phydev)
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return 0;
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}
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iomux_v3_cfg_t const usdhc2_pads[] = {
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MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CLK_CTRL),
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MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_GPIO_2__GPIO1_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), /* WP */
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MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
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};
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iomux_v3_cfg_t const usdhc3_pads[] = {
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MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CLK_CTRL),
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MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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};
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iomux_v3_cfg_t const riotboard_usdhc3_pads[] = {
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MX6_PAD_SD3_DAT4__GPIO7_IO01 | MUX_PAD_CTRL(NO_PAD_CTRL), /* WP */
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MX6_PAD_SD3_DAT5__GPIO7_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
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};
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iomux_v3_cfg_t const usdhc4_pads[] = {
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MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CLK_CTRL),
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MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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/* eMMC RST */
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MX6_PAD_NANDF_ALE__GPIO6_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL),
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};
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#ifdef CONFIG_FSL_ESDHC_IMX
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struct fsl_esdhc_cfg usdhc_cfg[3] = {
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{USDHC2_BASE_ADDR},
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{USDHC3_BASE_ADDR},
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{USDHC4_BASE_ADDR},
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};
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#define USDHC2_CD_GPIO IMX_GPIO_NR(1, 4)
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#define USDHC3_CD_GPIO IMX_GPIO_NR(7, 0)
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int board_mmc_getcd(struct mmc *mmc)
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{
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struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
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int ret = 0;
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switch (cfg->esdhc_base) {
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case USDHC2_BASE_ADDR:
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ret = !gpio_get_value(USDHC2_CD_GPIO);
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break;
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case USDHC3_BASE_ADDR:
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if (board_type == BOARD_IS_RIOTBOARD)
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ret = !gpio_get_value(USDHC3_CD_GPIO);
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else if (board_type == BOARD_IS_MARSBOARD)
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ret = 1; /* eMMC/uSDHC3 is always present */
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break;
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case USDHC4_BASE_ADDR:
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ret = 1; /* eMMC/uSDHC4 is always present */
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break;
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}
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return ret;
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}
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int board_mmc_init(struct bd_info *bis)
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{
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int ret;
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int i;
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/*
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* According to the board_mmc_init() the following map is done:
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* (U-Boot device node) (Physical Port)
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* ** RiOTboard :
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* mmc0 SDCard slot (bottom)
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* mmc1 uSDCard slot (top)
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* mmc2 eMMC
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* ** MarSBoard :
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* mmc0 uSDCard slot (bottom)
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* mmc1 eMMC
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*/
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for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
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switch (i) {
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case 0:
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imx_iomux_v3_setup_multiple_pads(
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usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
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gpio_direction_input(USDHC2_CD_GPIO);
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usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
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usdhc_cfg[0].max_bus_width = 4;
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break;
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case 1:
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imx_iomux_v3_setup_multiple_pads(
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usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
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if (board_type == BOARD_IS_RIOTBOARD) {
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imx_iomux_v3_setup_multiple_pads(
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riotboard_usdhc3_pads,
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ARRAY_SIZE(riotboard_usdhc3_pads));
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gpio_direction_input(USDHC3_CD_GPIO);
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} else {
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gpio_direction_output(IMX_GPIO_NR(7, 8) , 0);
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udelay(250);
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gpio_set_value(IMX_GPIO_NR(7, 8), 1);
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}
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usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
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usdhc_cfg[1].max_bus_width = 4;
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break;
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case 2:
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imx_iomux_v3_setup_multiple_pads(
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usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
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usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
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usdhc_cfg[2].max_bus_width = 4;
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gpio_direction_output(IMX_GPIO_NR(6, 8) , 0);
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udelay(250);
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gpio_set_value(IMX_GPIO_NR(6, 8), 1);
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break;
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default:
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printf("Warning: you configured more USDHC controllers"
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"(%d) then supported by the board (%d)\n",
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i + 1, CONFIG_SYS_FSL_USDHC_NUM);
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return -EINVAL;
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}
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ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
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if (ret)
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return ret;
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}
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return 0;
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}
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#endif
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#ifdef CONFIG_MXC_SPI
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iomux_v3_cfg_t const ecspi1_pads[] = {
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MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
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@ -30,6 +30,7 @@ CONFIG_SYS_RELOC_GD_ENV_ADDR=y
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CONFIG_DM=y
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CONFIG_DM_GPIO=y
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CONFIG_BOUNCE_BUFFER=y
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CONFIG_DM_MMC=y
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CONFIG_FSL_USDHC=y
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CONFIG_PINCTRL=y
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CONFIG_PINCTRL_IMX6=y
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@ -42,6 +42,7 @@ CONFIG_DM=y
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CONFIG_DM_GPIO=y
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CONFIG_BOUNCE_BUFFER=y
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CONFIG_SUPPORT_EMMC_BOOT=y
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CONFIG_DM_MMC=y
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CONFIG_FSL_USDHC=y
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CONFIG_PINCTRL=y
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CONFIG_PINCTRL_IMX6=y
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