From: Carlo Caione carlo@endlessm.com
Add support for the MMC on the Hardkernel Odroid-C2 board.
Signed-off-by: Carlo Caione carlo@endlessm.com --- board/hardkernel/odroid-c2/odroid-c2.c | 42 ++++++++++++++++++++++++++++++++++ configs/odroid-c2_defconfig | 5 ++++ include/configs/odroid-c2.h | 7 ++++++ 3 files changed, 54 insertions(+)
diff --git a/board/hardkernel/odroid-c2/odroid-c2.c b/board/hardkernel/odroid-c2/odroid-c2.c index bd72100..34b9a95 100644 --- a/board/hardkernel/odroid-c2/odroid-c2.c +++ b/board/hardkernel/odroid-c2/odroid-c2.c @@ -8,6 +8,7 @@ #include <asm/io.h> #include <asm/arch/gxbb.h> #include <asm/arch/sm.h> +#include <asm/arch/sd_emmc.h> #include <dm/platdata.h> #include <phy.h>
@@ -65,3 +66,44 @@ int misc_init_r(void)
return 0; } + +#ifdef CONFIG_GENERIC_MMC + +static const struct meson_mmc_platdata gxbb_sd_platdata[] = { + { .sd_emmc_reg = (struct meson_mmc_regs *)SD_EMMC_BASE_A }, + { .sd_emmc_reg = (struct meson_mmc_regs *)SD_EMMC_BASE_B }, + { .sd_emmc_reg = (struct meson_mmc_regs *)SD_EMMC_BASE_C }, +}; + +U_BOOT_DEVICE(meson_mmc) = { + .name = "meson_mmc", + .platdata = &gxbb_sd_platdata[CONFIG_MMC_MESON_SD_PORT], +}; + +static void meson_mmc_pinmux_setup(unsigned int port) +{ + switch (port) { + case SDIO_PORT_A: + setbits_le32(GXBB_PINMUX(8), 0x3f); + break; + case SDIO_PORT_B: + setbits_le32(GXBB_PINMUX(2), 0x3f << 10); + break; + case SDIO_PORT_C: + clrbits_le32(GXBB_PINMUX(2), 0x1f << 22); + setbits_le32(GXBB_PINMUX(4), (0x3 << 18) | (3 << 30)); + break; + default: + printf("meson: invalid MMC port %d for pinmux setup\n", port); + break; + } +} + +int board_mmc_init(bd_t *bis) +{ + meson_mmc_pinmux_setup(CONFIG_MMC_MESON_SD_PORT); + + return 0; +} + +#endif diff --git a/configs/odroid-c2_defconfig b/configs/odroid-c2_defconfig index a771b20..a1ffe73 100644 --- a/configs/odroid-c2_defconfig +++ b/configs/odroid-c2_defconfig @@ -7,11 +7,16 @@ CONFIG_DEFAULT_DEVICE_TREE="meson-gxbb-odroidc2" # CONFIG_CMD_IMI is not set # CONFIG_CMD_IMLS is not set # CONFIG_CMD_LOADS is not set +CONFIG_CMD_MMC=y # CONFIG_CMD_FPGA is not set # CONFIG_CMD_SOURCE is not set # CONFIG_CMD_SETEXPR is not set +CONFIG_CMD_EXT4=y +CONFIG_CMD_FAT=y +CONFIG_CMD_FS_GENERIC=y CONFIG_OF_CONTROL=y CONFIG_NET_RANDOM_ETHADDR=y +CONFIG_DM_MMC=y CONFIG_DM_ETH=y CONFIG_ETH_DESIGNWARE=y CONFIG_DEBUG_UART=y diff --git a/include/configs/odroid-c2.h b/include/configs/odroid-c2.h index 37a5671..4af7cc6 100644 --- a/include/configs/odroid-c2.h +++ b/include/configs/odroid-c2.h @@ -46,6 +46,13 @@ #define CONFIG_SYS_LONGHELP #define CONFIG_CMDLINE_EDITING
+#ifdef CONFIG_DM_MMC +#define CONFIG_MMC +#define CONFIG_GENERIC_MMC +#define CONFIG_MMC_MESON +#define CONFIG_MMC_MESON_SD_PORT 1 +#endif + #include <config_distro_defaults.h>
#endif /* __CONFIG_H */