[U-Boot] [PATCH 5/5] mpc8308rdb: add support for eSDHC MMC controller

Ira W. Snyder iws at ovro.caltech.edu
Wed Sep 12 23:17:35 CEST 2012


From: "Ira W. Snyder" <iws at 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 at 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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