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ARCv2: IOC: Allow boot time disable

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Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Alexey Brodkin
2015-06-09 11:25:22 +03:00
committed by Vineet Gupta
parent 79335a2ca0
commit 1648c70d30
1 changed files with 4 additions and 3 deletions
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7
arch/arc/mm/cache.c
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@@ -23,7 +23,7 @@
static int l2_line_sz; static int l2_line_sz;
int ioc_exists; int ioc_exists;
volatile int slc_enable = 1; volatile int slc_enable = 1, ioc_enable = 1;
void (*_cache_line_loop_ic_fn)(unsigned long paddr, unsigned long vaddr, void (*_cache_line_loop_ic_fn)(unsigned long paddr, unsigned long vaddr,
unsigned long sz, const int cacheop); unsigned long sz, const int cacheop);
@@ -59,7 +59,8 @@ char *arc_cache_mumbojumbo(int c, char *buf, int len)
p->sz_k, p->line_len, IS_USED_RUN(slc_enable)); p->sz_k, p->line_len, IS_USED_RUN(slc_enable));
if (ioc_exists) if (ioc_exists)
n += scnprintf(buf + n, len - n, "IOC\t\t: exists\n"); n += scnprintf(buf + n, len - n, "IOC\t\t:%s\n",
IS_USED_RUN(ioc_enable));
return buf; return buf;
} }
@@ -154,7 +155,7 @@ void read_decode_cache_bcr(void)
} }
READ_BCR(ARC_REG_CLUSTER_BCR, cbcr); READ_BCR(ARC_REG_CLUSTER_BCR, cbcr);
if (cbcr.c) if (cbcr.c && ioc_enable)
ioc_exists = 1; ioc_exists = 1;
} }