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powerpc/85xx: fix broken cpu "clock-frequency" property 

When indexing freqProcessor[] we use the first
value in the cpu's "reg" property, which on
new e6500 cores IDs the threads.
But freqProcessor[] should be indexed with a
core index so, when fixing "the clock-frequency"
cpu node property, access the freqProcessor[]
with the core index derived from the "reg' property.
If we don't do this, last half of the "cpu" nodes
will have broken "clock-frequency" values.

Signed-off-by: Laurentiu Tudor <Laurentiu.Tudor@freescale.com>
Cc: York Sun <yorksun@freescale.com>
This commit is contained in:
Laurentiu TUDOR 2013-10-23 15:20:45 +03:00 committed by York Sun
parent 8f9fe660fc
commit 51abee64ee
1 changed files with 3 additions and 2 deletions
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5
arch/powerpc/cpu/mpc85xx/fdt.c
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@ -586,6 +586,7 @@ void ft_cpu_setup(void *blob, bd_t *bd)
{
int off;
int val;
int len;
sys_info_t sysinfo;
/* delete crypto node if not on an E-processor */
@ -615,8 +616,8 @@ void ft_cpu_setup(void *blob, bd_t *bd)
get_sys_info(&sysinfo);
off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
while (off != -FDT_ERR_NOTFOUND) {
u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
val = cpu_to_fdt32(sysinfo.freq_processor[*reg]);
u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", &len);
val = cpu_to_fdt32(sysinfo.freq_processor[(*reg) / (len / 4)]);
fdt_setprop(blob, off, "clock-frequency", &val, 4);
off = fdt_node_offset_by_prop_value(blob, off, "device_type",
"cpu", 4);