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authorSonic Zhang <sonic.zhang@analog.com>2013-12-04 11:27:47 +0400
committerSteven Miao <realmz6@gmail.com>2014-01-29 11:12:20 +0400
commit1b6012394bec5dc653d495245c5495db08f817f6 (patch)
tree88c290099d8155fd3c4c5828843c29837c815e05 /arch/blackfin/mach-common/cache-c.c
parentcccdfcf728e2f322e8986a39bc02bf5aaa8fe8a7 (diff)
downloadlinux-1b6012394bec5dc653d495245c5495db08f817f6.tar.xz
blackfin: Support L1 SRAM parity checking feature on bf60x
Move code for the SEC faults from the IRQ hanlders into IRQ actions. refine bfin fault routine handle Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Steven Miao <realmz6@gmail.com>
Diffstat (limited to 'arch/blackfin/mach-common/cache-c.c')
-rw-r--r--arch/blackfin/mach-common/cache-c.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/blackfin/mach-common/cache-c.c b/arch/blackfin/mach-common/cache-c.c
index 1a5a28829c6b..f4adedc92895 100644
--- a/arch/blackfin/mach-common/cache-c.c
+++ b/arch/blackfin/mach-common/cache-c.c
@@ -41,6 +41,16 @@ bfin_cache_init(struct cplb_entry *cplb_tbl, unsigned long cplb_addr,
unsigned long mem_mask)
{
int i;
+#ifdef CONFIG_L1_PARITY_CHECK
+ u32 ctrl;
+
+ if (cplb_addr == DCPLB_ADDR0) {
+ ctrl = bfin_read32(mem_control) | (1 << RDCHK);
+ CSYNC();
+ bfin_write32(mem_control, ctrl);
+ SSYNC();
+ }
+#endif
for (i = 0; i < MAX_CPLBS; i++) {
bfin_write32(cplb_addr + i * 4, cplb_tbl[i].addr);