deleted file mode 100644
@@ -1,7 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-
-/ {
- aliases {
- mmc0 = &usdhc2;
- };
-};
@@ -19,6 +19,8 @@
#include <asm/mach-imx/iomux-v3.h>
#include <dm.h>
#include <env.h>
+#include <mmc.h>
+#include <fsl_esdhc_imx.h>
#include <asm/arch/crm_regs.h>
#include <asm/io.h>
#include <asm/mach-imx/mxc_i2c.h>
@@ -214,6 +216,19 @@ static iomux_v3_cfg_t const uart1_pads[] = {
MX6_PAD_GPIO1_IO05__UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
};
+static iomux_v3_cfg_t const usdhc2_pads[] = {
+ MX6_PAD_SD2_CLK__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_CMD__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_DATA0__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_DATA1__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_DATA2__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_DATA3__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ /* CD pin */
+ MX6_PAD_SD1_DATA0__GPIO6_IO_2 | MUX_PAD_CTRL(NO_PAD_CTRL),
+ /* Power */
+ MX6_PAD_SD1_CMD__GPIO6_IO_1 | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
static iomux_v3_cfg_t const phy_control_pads[] = {
/* 25MHz Ethernet PHY Clock */
MX6_PAD_ENET2_RX_CLK__ENET2_REF_CLK_25M |
@@ -327,6 +342,31 @@ int board_early_init_f(void)
return 0;
}
+static struct fsl_esdhc_cfg usdhc_cfg[1] = {
+ {USDHC2_BASE_ADDR},
+};
+
+#define USDHC2_PWR_GPIO IMX_GPIO_NR(6, 1)
+#define USDHC2_CD_GPIO IMX_GPIO_NR(6, 2)
+
+int board_mmc_getcd(struct mmc *mmc)
+{
+ return !gpio_get_value(USDHC2_CD_GPIO);
+}
+
+int board_mmc_init(struct bd_info *bis)
+{
+ SETUP_IOMUX_PADS(usdhc2_pads);
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
+ usdhc_cfg[0].max_bus_width = 4;
+ gpio_request(IMX_GPIO_NR(6, 1), "usdhc2_pwr");
+ gpio_request(IMX_GPIO_NR(6, 2), "usdhc2_cd");
+ gpio_direction_input(USDHC2_CD_GPIO);
+ gpio_direction_output(USDHC2_PWR_GPIO, 1);
+
+ return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
+}
+
static char *board_string(void)
{
switch (get_board_value()) {
@@ -35,6 +35,7 @@ CONFIG_CMD_EXT4_WRITE=y
CONFIG_OF_CONTROL=y
CONFIG_ENV_OVERWRITE=y
CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_SYS_MMC_ENV_DEV=1
CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
CONFIG_BOUNCE_BUFFER=y
CONFIG_SYS_I2C_LEGACY=y
@@ -29,7 +29,7 @@
"fdt_addr=0x83000000\0" \
"fdt_addr_r=0x83000000\0" \
"ip_dyn=yes\0" \
- "mmcdev=0\0" \
+ "mmcdev=1\0" \
"mmcrootfstype=ext4\0" \
"findfdt="\
"if test $board_name = BASIC; then " \
@@ -49,7 +49,7 @@
BOOTENV
#define BOOT_TARGET_DEVICES(func) \
- func(MMC, mmc, 0) \
+ func(MMC, mmc, 1) \
func(DHCP, dhcp, na)
#include <config_distro_bootcmd.h>
This fixes booting from the mSD card from both SPL and when using it for the OS booting. It also cleans up a few mmc booting bits that are no longer needed. Signed-off-by: Peter Robinson <pbrobinson@gmail.com> --- arch/arm/dts/imx6sx-udoo-neo-u-boot.dtsi | 7 ----- board/udoo/neo/neo.c | 40 ++++++++++++++++++++++++ configs/udoo_neo_defconfig | 1 + include/configs/udoo_neo.h | 4 +-- 4 files changed, 43 insertions(+), 9 deletions(-) delete mode 100644 arch/arm/dts/imx6sx-udoo-neo-u-boot.dtsi