From 726e90aacf0b1ecb0e7055be574622fbe3e450ba Mon Sep 17 00:00:00 2001
From: Grant Likely <grant.likely@secretlab.ca>
Date: Wed, 29 Nov 2006 16:23:42 +0100
Subject: [PATCH] [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>
---
cpu/mpc5xxx/cpu.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/cpu/mpc5xxx/cpu.c b/cpu/mpc5xxx/cpu.c
index 20e6735de4..813aa7935d 100644
--- 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
--
2.39.5