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>
diff --git a/arch/arm/dts/imx6dl-riotboard-u-boot.dtsi b/arch/arm/dts/imx6dl-riotboard-u-boot.dtsi
new file mode 100644
index 0000000..e51cd24
--- /dev/null
+++ b/arch/arm/dts/imx6dl-riotboard-u-boot.dtsi
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+/ {
+ aliases {
+ mmc0 = &usdhc2;
+ mmc1 = &usdhc3;
+ };
+};
diff --git a/arch/arm/dts/imx6q-marsboard-u-boot.dtsi b/arch/arm/dts/imx6q-marsboard-u-boot.dtsi
new file mode 100644
index 0000000..e51cd24
--- /dev/null
+++ b/arch/arm/dts/imx6q-marsboard-u-boot.dtsi
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+/ {
+ aliases {
+ mmc0 = &usdhc2;
+ mmc1 = &usdhc3;
+ };
+};
diff --git a/board/embest/mx6boards/mx6boards.c b/board/embest/mx6boards/mx6boards.c
index 65b3942..c3bbcff 100644
--- a/board/embest/mx6boards/mx6boards.c
+++ b/board/embest/mx6boards/mx6boards.c
@@ -31,8 +31,6 @@
#include <asm/mach-imx/video.h>
#include <i2c.h>
#include <input.h>
-#include <mmc.h>
-#include <fsl_esdhc_imx.h>
#include <miiphy.h>
#include <netdev.h>
#include <asm/arch/mxc_hdmi.h>
@@ -150,141 +148,6 @@
return 0;
}
-iomux_v3_cfg_t const usdhc2_pads[] = {
- MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CLK_CTRL),
- MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_GPIO_2__GPIO1_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), /* WP */
- MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
-};
-
-iomux_v3_cfg_t const usdhc3_pads[] = {
- MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CLK_CTRL),
- MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-};
-
-iomux_v3_cfg_t const riotboard_usdhc3_pads[] = {
- MX6_PAD_SD3_DAT4__GPIO7_IO01 | MUX_PAD_CTRL(NO_PAD_CTRL), /* WP */
- MX6_PAD_SD3_DAT5__GPIO7_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
-};
-
-iomux_v3_cfg_t const usdhc4_pads[] = {
- MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CLK_CTRL),
- MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- /* eMMC RST */
- MX6_PAD_NANDF_ALE__GPIO6_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL),
-};
-
-#ifdef CONFIG_FSL_ESDHC_IMX
-struct fsl_esdhc_cfg usdhc_cfg[3] = {
- {USDHC2_BASE_ADDR},
- {USDHC3_BASE_ADDR},
- {USDHC4_BASE_ADDR},
-};
-
-#define USDHC2_CD_GPIO IMX_GPIO_NR(1, 4)
-#define USDHC3_CD_GPIO IMX_GPIO_NR(7, 0)
-
-int board_mmc_getcd(struct mmc *mmc)
-{
- struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
- int ret = 0;
-
- switch (cfg->esdhc_base) {
- case USDHC2_BASE_ADDR:
- ret = !gpio_get_value(USDHC2_CD_GPIO);
- break;
- case USDHC3_BASE_ADDR:
- if (board_type == BOARD_IS_RIOTBOARD)
- ret = !gpio_get_value(USDHC3_CD_GPIO);
- else if (board_type == BOARD_IS_MARSBOARD)
- ret = 1; /* eMMC/uSDHC3 is always present */
- break;
- case USDHC4_BASE_ADDR:
- ret = 1; /* eMMC/uSDHC4 is always present */
- break;
- }
-
- return ret;
-}
-
-int board_mmc_init(struct bd_info *bis)
-{
- int ret;
- int i;
-
- /*
- * According to the board_mmc_init() the following map is done:
- * (U-Boot device node) (Physical Port)
- * ** RiOTboard :
- * mmc0 SDCard slot (bottom)
- * mmc1 uSDCard slot (top)
- * mmc2 eMMC
- * ** MarSBoard :
- * mmc0 uSDCard slot (bottom)
- * mmc1 eMMC
- */
- for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
- switch (i) {
- case 0:
- imx_iomux_v3_setup_multiple_pads(
- usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
- gpio_direction_input(USDHC2_CD_GPIO);
- usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
- usdhc_cfg[0].max_bus_width = 4;
- break;
- case 1:
- imx_iomux_v3_setup_multiple_pads(
- usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
- if (board_type == BOARD_IS_RIOTBOARD) {
- imx_iomux_v3_setup_multiple_pads(
- riotboard_usdhc3_pads,
- ARRAY_SIZE(riotboard_usdhc3_pads));
- gpio_direction_input(USDHC3_CD_GPIO);
- } else {
- gpio_direction_output(IMX_GPIO_NR(7, 8) , 0);
- udelay(250);
- gpio_set_value(IMX_GPIO_NR(7, 8), 1);
- }
- usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
- usdhc_cfg[1].max_bus_width = 4;
- break;
- case 2:
- imx_iomux_v3_setup_multiple_pads(
- usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
- usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
- usdhc_cfg[2].max_bus_width = 4;
- gpio_direction_output(IMX_GPIO_NR(6, 8) , 0);
- udelay(250);
- gpio_set_value(IMX_GPIO_NR(6, 8), 1);
- break;
- default:
- printf("Warning: you configured more USDHC controllers"
- "(%d) then supported by the board (%d)\n",
- i + 1, CONFIG_SYS_FSL_USDHC_NUM);
- return -EINVAL;
- }
-
- ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
- if (ret)
- return ret;
- }
-
- return 0;
-}
-#endif
-
#ifdef CONFIG_MXC_SPI
iomux_v3_cfg_t const ecspi1_pads[] = {
MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
diff --git a/configs/marsboard_defconfig b/configs/marsboard_defconfig
index 4d15f04..63fc60a 100644
--- a/configs/marsboard_defconfig
+++ b/configs/marsboard_defconfig
@@ -30,6 +30,7 @@
CONFIG_DM=y
CONFIG_DM_GPIO=y
CONFIG_BOUNCE_BUFFER=y
+CONFIG_DM_MMC=y
CONFIG_FSL_USDHC=y
CONFIG_PINCTRL=y
CONFIG_PINCTRL_IMX6=y
diff --git a/configs/riotboard_defconfig b/configs/riotboard_defconfig
index 0284f86..4f86a08 100644
--- a/configs/riotboard_defconfig
+++ b/configs/riotboard_defconfig
@@ -42,6 +42,7 @@
CONFIG_DM_GPIO=y
CONFIG_BOUNCE_BUFFER=y
CONFIG_SUPPORT_EMMC_BOOT=y
+CONFIG_DM_MMC=y
CONFIG_FSL_USDHC=y
CONFIG_PINCTRL=y
CONFIG_PINCTRL_IMX6=y