From: Grant Likely Date: Wed, 29 Nov 2006 15:23:42 +0000 (+0100) Subject: [PATCH] [MPC52xx] Use IPB bus frequency for SOC peripherals X-Git-Tag: v2008.10-rc1~1082 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=726e90aacf0b1ecb0e7055be574622fbe3e450ba;p=platform%2Fkernel%2Fu-boot.git [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 Signed-off-by: Sylvain Munaut --- diff --git a/cpu/mpc5xxx/cpu.c b/cpu/mpc5xxx/cpu.c index 20e6735..813aa79 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