Re: [U-Boot] mpc85xx: Put SDHC clock-frequency in device tree

On Sep 23, 2009, at 12:12 AM, Gao Guanhua wrote:

The clock-frequency of SD controller comes from different source on different platform. We add a clock-frequency property in dts file and set the value in u-boot.

---

cpu/mpc85xx/fdt.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/cpu/mpc85xx/fdt.c b/cpu/mpc85xx/fdt.c index 26a8f48..e549c66 100644 --- a/cpu/mpc85xx/fdt.c +++ b/cpu/mpc85xx/fdt.c @@ -328,5 +328,11 @@ void ft_cpu_setup(void *blob, bd_t *bd) ft_fixup_cpu(blob, (u64)bd->bi_memstart + (u64)bd->bi_memsize); #endif

+#ifdef CONFIG_FSL_ESDHC

• do_fixup_by_compat_u32(blob, "fsl,esdhc",

• "clock-frequency", bd->bi_busfreq/2, 1);
  

+#endif

• ft_fixup_cache(blob);

We do this in fdt_fixup_esdhc()

- k