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| author | Anton Vorontsov <avorontsov@ru.mvista.com> | 2009-12-16 01:14:31 +0300 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2010-01-05 13:49:10 -0600 |
| commit | c4ca10f1db36c3ce649c656dec14f7aab644dd86 (patch) | |
| tree | ff84a6f10476c14fedfda3f0ed314a5b9c80f496 | |
| parent | bc20f9a9527afe8ae406a74f74765d4323f04922 (diff) | |
| download | u-boot-imx-c4ca10f1db36c3ce649c656dec14f7aab644dd86.zip u-boot-imx-c4ca10f1db36c3ce649c656dec14f7aab644dd86.tar.gz u-boot-imx-c4ca10f1db36c3ce649c656dec14f7aab644dd86.tar.bz2 | |
mpc85xx: Add 4-bits eSDHC support for MPC8569E-MDS boards
Thanks to "Errata to MPC8569E PowerQUICC III Integrated Host Processor
Family Reference Manual, Rev. 0" document, which describes all eSDHC
pins, we can add 4-bits eSDHC support for MPC8569E-MDS boards.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
| -rw-r--r-- | board/freescale/mpc8569mds/mpc8569mds.c | 14 | ||||
| -rw-r--r-- | include/configs/MPC8569MDS.h | 4 |
2 files changed, 18 insertions, 0 deletions
diff --git a/board/freescale/mpc8569mds/mpc8569mds.c b/board/freescale/mpc8569mds/mpc8569mds.c index 4612d16..56854ca 100644 --- a/board/freescale/mpc8569mds/mpc8569mds.c +++ b/board/freescale/mpc8569mds/mpc8569mds.c @@ -437,6 +437,11 @@ int board_mmc_init(bd_t *bd) console_assign(stdin, "eserial1"); printf("Switched to UART1 (initial log has been printed to " "UART0).\n"); + + clrsetbits_be32(&gur->plppar1, PLPPAR1_UART0_BIT_MASK, + PLPPAR1_ESDHC_4BITS_VAL); + clrsetbits_be32(&gur->plpdir1, PLPDIR1_UART0_BIT_MASK, + PLPDIR1_ESDHC_4BITS_VAL); bcsr6 |= BCSR6_SD_CARD_4BITS; } else { printf("should be disabled.\n"); @@ -483,6 +488,15 @@ static void fdt_board_fixup_esdhc(void *blob, bd_t *bd) break; } } + + if (hwconfig_subarg_cmp("esdhc", "mode", "4-bits")) { + off = fdt_node_offset_by_compatible(blob, -1, "fsl,esdhc"); + if (off < 0) { + printf("WARNING: could not find esdhc node\n"); + return; + } + fdt_delprop(blob, off, "sdhci,1-bit-only"); + } } #else static inline void fdt_board_fixup_esdhc(void *blob, bd_t *bd) {} diff --git a/include/configs/MPC8569MDS.h b/include/configs/MPC8569MDS.h index 1e659e2..e16f0e1 100644 --- a/include/configs/MPC8569MDS.h +++ b/include/configs/MPC8569MDS.h @@ -277,6 +277,10 @@ extern unsigned long get_clock_freq(void); #define PLPDIR1_I2C_BIT_MASK 0x0000000F #define PLPDIR1_I2C2_VAL 0x0000000F #define PLPDIR1_ESDHC_VAL 0x00000006 +#define PLPPAR1_UART0_BIT_MASK 0x00000fc0 +#define PLPPAR1_ESDHC_4BITS_VAL 0x00000a80 +#define PLPDIR1_UART0_BIT_MASK 0x00000fc0 +#define PLPDIR1_ESDHC_4BITS_VAL 0x00000a80 /* * General PCI |