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sc520: Release CAR and enable caching

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This commit is contained in:
Graeme Russ 2011-02-12 15:12:12 +11:00
parent e4f78d78d7
commit 6002bf03b4
1 changed files with 11 additions and 5 deletions
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16
arch/i386/cpu/sc520/sc520.c
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@ -51,14 +51,20 @@ int cpu_init_f(void)
"popl %%ecx\n" "popl %%ecx\n"
"loop 0b\n": : : "ecx"); "loop 0b\n": : : "ecx");
if (gd->flags & GD_FLG_COLD_BOOT) {
/* turn on the SDRAM write buffer */
writeb(0x11, &sc520_mmcr->dbctl);
}
return x86_cpu_init_f(); return x86_cpu_init_f();
} }
int cpu_init_r(void)
{
/* Disable the PAR used for CAR */
writel(0x0000000, &sc520_mmcr->par[2]);
/* turn on the SDRAM write buffer */
writeb(0x11, &sc520_mmcr->dbctl);
return x86_cpu_init_r();
}
#ifdef CONFIG_SYS_SC520_RESET #ifdef CONFIG_SYS_SC520_RESET
void reset_cpu(ulong addr) void reset_cpu(ulong addr)
{ {