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fsl_esdhc: Fix esdhc disabled problem on some platforms 

Some new platform's esdhc pins don't share with other function.
The eSDHC shouldn't be disabled, even if "esdhc" isn't defined
in hwconfig env variable.

Use CONFIG_FSL_ESDHC_PIN_MUX to fix this problem.

Signed-off-by: Chenhui Zhao <b26998@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Chenhui Zhao 2011-01-04 17:23:05 +08:00 committed by Kumar Gala
parent afabe4b94e
commit a6da8b8195
4 changed files with 11 additions and 6 deletions
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14
drivers/mmc/fsl_esdhc.c
View File

@ -508,17 +508,19 @@ int fsl_esdhc_mmc_init(bd_t *bis)
void fdt_fixup_esdhc(void *blob, bd_t *bd)
{
const char *compat = "fsl,esdhc";
const char *status = "okay";
#ifdef CONFIG_FSL_ESDHC_PIN_MUX
if (!hwconfig("esdhc")) {
status = "disabled";
goto out;
do_fixup_by_compat(blob, compat, "status", "disabled",
8 + 1, 1);
return;
}
#endif
do_fixup_by_compat_u32(blob, compat, "clock-frequency",
gd->sdhc_clk, 1);
out:
do_fixup_by_compat(blob, compat, "status", status,
strlen(status) + 1, 1);
do_fixup_by_compat(blob, compat, "status", "okay",
4 + 1, 1);
}
#endif

1
include/configs/MPC837XEMDS.h
View File

@ -509,6 +509,7 @@ extern int board_pci_host_broken(void);
#ifdef CONFIG_MMC
#define CONFIG_FSL_ESDHC
#define CONFIG_FSL_ESDHC_PIN_MUX
#define CONFIG_SYS_FSL_ESDHC_ADDR CONFIG_SYS_MPC83xx_ESDHC_ADDR
#define CONFIG_CMD_MMC
#define CONFIG_GENERIC_MMC

1
include/configs/MPC837XERDB.h
View File

@ -517,6 +517,7 @@
#ifdef CONFIG_MMC
#define CONFIG_FSL_ESDHC
#define CONFIG_FSL_ESDHC_PIN_MUX
#define CONFIG_SYS_FSL_ESDHC_ADDR CONFIG_SYS_MPC83xx_ESDHC_ADDR
#define CONFIG_CMD_MMC
#define CONFIG_GENERIC_MMC

1
include/configs/MPC8569MDS.h
View File

@ -554,6 +554,7 @@ extern unsigned long get_clock_freq(void);
#ifdef CONFIG_MMC
#define CONFIG_FSL_ESDHC
#define CONFIG_FSL_ESDHC_PIN_MUX
#define CONFIG_SYS_FSL_ESDHC_ADDR CONFIG_SYS_MPC85xx_ESDHC_ADDR
#define CONFIG_CMD_MMC
#define CONFIG_GENERIC_MMC