Commit b33433a6 authored by Anton Vorontsov's avatar Anton Vorontsov Committed by Wolfgang Denk
Browse files

fsl_esdhc: Add device tree fixups



This patch implements fdt_fixup_esdhc() function that is used to fixup
the device tree.

The function adds status = "disabled" propery if esdhc pins muxed away,
otherwise it fixups clock-frequency for esdhc nodes.
Signed-off-by: default avatarAnton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: default avatarKim Phillips <kim.phillips@freescale.com>
parent 93f9dcf9
......@@ -28,11 +28,13 @@
#include <config.h>
#include <common.h>
#include <command.h>
#include <hwconfig.h>
#include <mmc.h>
#include <part.h>
#include <malloc.h>
#include <mmc.h>
#include <fsl_esdhc.h>
#include <fdt_support.h>
#include <asm/io.h>
......@@ -346,3 +348,20 @@ int fsl_esdhc_mmc_init(bd_t *bis)
{
return esdhc_initialize(bis);
}
void fdt_fixup_esdhc(void *blob, bd_t *bd)
{
const char *compat = "fsl,esdhc";
const char *status = "okay";
if (!hwconfig("esdhc")) {
status = "disabled";
goto out;
}
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);
}
......@@ -26,6 +26,8 @@
#ifndef __FSL_ESDHC_H__
#define __FSL_ESDHC_H__
#include <asm/errno.h>
/* FSL eSDHC-specific constants */
#define SYSCTL 0x0002e02c
#define SYSCTL_INITA 0x08000000
......@@ -140,6 +142,12 @@
#define ESDHC_HOSTCAPBLT_DMAS 0x00400000
#define ESDHC_HOSTCAPBLT_HSS 0x00200000
#ifdef CONFIG_FSL_ESDHC
int fsl_esdhc_mmc_init(bd_t *bis);
void fdt_fixup_esdhc(void *blob, bd_t *bd);
#else
static inline int fsl_esdhc_mmc_init(bd_t *bis) { return -ENOSYS; }
static inline void fdt_fixup_esdhc(void *blob, bd_t *bd) {}
#endif /* CONFIG_FSL_ESDHC */
#endif /* __FSL_ESDHC_H__ */
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