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[MIPS] Fix build for PNX platforms.

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Build error was caused by commit 351336929c.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle
2008-06-12 17:26:02 +01:00
parent 330117ff27
commit 89052bd7b3
4 changed files with 28 additions and 21 deletions
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26
arch/mips/mm/c-r4k.c
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@ -1226,6 +1226,28 @@ void au1x00_fixup_config_od(void)
}
}
/* CP0 hazard avoidance. */
#define NXP_BARRIER() \
__asm__ __volatile__( \
".set noreorder\n\t" \
"nop; nop; nop; nop; nop; nop;\n\t" \
".set reorder\n\t")
static void nxp_pr4450_fixup_config(void)
{
unsigned long config0;
config0 = read_c0_config();
/* clear all three cache coherency fields */
config0 &= ~(0x7 | (7 << 25) | (7 << 28));
config0 |= (((_page_cachable_default >> _CACHE_SHIFT) << 0) |
((_page_cachable_default >> _CACHE_SHIFT) << 25) |
((_page_cachable_default >> _CACHE_SHIFT) << 28));
write_c0_config(config0);
NXP_BARRIER();
}
static int __cpuinitdata cca = -1;
static int __init cca_setup(char *str)
@ -1271,6 +1293,10 @@ static void __cpuinit coherency_setup(void)
case CPU_AU1500: /* rev. AB */
au1x00_fixup_config_od();
break;
case PRID_IMP_PR4450:
nxp_pr4450_fixup_config();
break;
}
}