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mpc8308rdb: add support for eSDHC MMC controller

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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>

[added include fsl_esdhc header to prevent implicit declarations of
fsl_esdhc_mmc_init() and fdt_fixup_esdhc()]

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
This commit is contained in:
Ira W. Snyder 2012-09-12 14:17:35 -07:00 committed by Kim Phillips
parent 40775e9676
commit db1fc7d28e
2 changed files with 23 additions and 0 deletions
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9
board/freescale/mpc8308rdb/mpc8308rdb.c
View file

@ -31,6 +31,7 @@
#include <mpc83xx.h>
#include <vsc7385.h>
#include <netdev.h>
#include <fsl_esdhc.h>
#include <asm/io.h>
#include <asm/fsl_serdes.h>
#include <asm/fsl_mpc83xx_serdes.h>
@ -66,6 +67,13 @@ 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 +181,7 @@ 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

14
include/configs/MPC8308RDB.h
View file

@ -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
*