[PATCH] [MPC52xx] Use IPB bus frequency for SOC peripherals

The soc node of the mpc52xx needs to be loaded with the IPB bus frequency,
not the XLB frequency.

This patch depends on the previous patches for MPC52xx device tree support

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>

diff --git a/cpu/mpc5xxx/cpu.c b/cpu/mpc5xxx/cpu.c
index 20e6735de4f6eaf7b52ac0b03894df1b8305e068..813aa7935d168f78203bf0a01fe670e9df4e47c1 100644 (file)
--- a/cpu/mpc5xxx/cpu.c
+++ b/cpu/mpc5xxx/cpu.c
@@ -112,21 +112,20 @@ void
 ft_cpu_setup(void *blob, bd_t *bd)
 {
        u32 *p;
-       ulong clock;
        int len;
 
-       clock = bd->bi_busfreq;
+       /* Core XLB bus frequency */
        p = ft_get_prop(blob, "/cpus/" OF_CPU "/bus-frequency", &len);
        if (p != NULL)
-               *p = cpu_to_be32(clock);
+               *p = cpu_to_be32(bd->bi_busfreq);
 
+       /* SOC peripherals use the IPB bus frequency */
        p = ft_get_prop(blob, "/" OF_SOC "/bus-frequency", &len);
        if (p != NULL)
-               *p = cpu_to_be32(clock);
+               *p = cpu_to_be32(bd->bi_ipbfreq);
 
        p = ft_get_prop(blob, "/" OF_SOC "/ethernet@3000/mac-address", &len);
        if (p != NULL)
                memcpy(p, bd->bi_enetaddr, 6);
-
 }
 #endif