From: "Ira W. Snyder" iws@ovro.caltech.edu
Add support for the onboard eSDHC MMC controller. The hardware on the MPC8308RDB has the following errata:
- ESDHC111: manual asynchronous CMD12 is broken - DMA is broken (PIO works)
Signed-off-by: Ira W. Snyder iws@ovro.caltech.edu --- board/freescale/mpc8308rdb/mpc8308rdb.c | 8 ++++++++ include/configs/MPC8308RDB.h | 14 ++++++++++++++ 2 files changed, 22 insertions(+), 0 deletions(-)
diff --git a/board/freescale/mpc8308rdb/mpc8308rdb.c b/board/freescale/mpc8308rdb/mpc8308rdb.c index b97cdc1..7fa3066 100644 --- a/board/freescale/mpc8308rdb/mpc8308rdb.c +++ b/board/freescale/mpc8308rdb/mpc8308rdb.c @@ -66,6 +66,13 @@ void spi_cs_deactivate(struct spi_slave *slave) } #endif /* CONFIG_MPC8XXX_SPI */
+#ifdef CONFIG_FSL_ESDHC +int board_mmc_init(bd_t *bd) +{ + return fsl_esdhc_mmc_init(bd); +} +#endif + static u8 read_board_info(void) { u8 val8; @@ -173,6 +180,7 @@ void ft_board_setup(void *blob, bd_t *bd) { ft_cpu_setup(blob, bd); fdt_fixup_dr_usb(blob, bd); + fdt_fixup_esdhc(blob, bd); } #endif
diff --git a/include/configs/MPC8308RDB.h b/include/configs/MPC8308RDB.h index c65635f..2d48dde 100644 --- a/include/configs/MPC8308RDB.h +++ b/include/configs/MPC8308RDB.h @@ -41,6 +41,20 @@ #define CONFIG_FIT 1 #define CONFIG_FIT_VERBOSE 1
+#define CONFIG_MMC 1 + +#ifdef CONFIG_MMC +#define CONFIG_FSL_ESDHC +#define CONFIG_SYS_FSL_ESDHC_ADDR CONFIG_SYS_MPC83xx_ESDHC_ADDR +#define CONFIG_SYS_FSL_ERRATUM_ESDHC111 +#define CONFIG_SYS_FSL_ESDHC_USE_PIO + +#define CONFIG_CMD_MMC +#define CONFIG_GENERIC_MMC +#define CONFIG_CMD_FAT +#define CONFIG_DOS_PARTITION +#endif + /* * On-board devices *