From: "Ira W. Snyder" <i...@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 <i...@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
*
--
1.7.8.6
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