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authorMauro Carvalho Chehab <mchehab@redhat.com>2010-08-27 18:44:43 (GMT)
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-08-30 17:57:03 (GMT)
commit37b69cf91c2c6e60856ad1ac4c37ccb2005ebbd3 (patch)
treecec2976c1b6e6e0f0e0ce6c4eec3c59dec435210 /drivers/edac/i7300_edac.c
parent32f9472613b30791d8cb5a953791cf4647166744 (diff)
downloadlinux-37b69cf91c2c6e60856ad1ac4c37ccb2005ebbd3.tar.xz
i7300_edac: Properly detect channel on CE errors
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/edac/i7300_edac.c')
-rw-r--r--drivers/edac/i7300_edac.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/edac/i7300_edac.c b/drivers/edac/i7300_edac.c
index a06db65..a85a8e5 100644
--- a/drivers/edac/i7300_edac.c
+++ b/drivers/edac/i7300_edac.c
@@ -101,7 +101,6 @@
#define IS_SINGLE_MODE(mca) ((mca) & (1 << 14))
#define TOLM 0x6C
-#define REDMEMB 0x7C
#define MIR0 0x80
#define MIR1 0x84
@@ -279,6 +278,9 @@ static const char *ferr_global_lo_name[] = {
#define REDMEMA 0xdc
+#define REDMEMB 0x7c
+ #define IS_SECOND_CH(v) ((v) * (1 << 17))
+
#define RECMEMA 0xe0
#define RECMEMA_BANK(v) (((v) >> 12) & 7)
#define RECMEMA_RANK(v) (((v) >> 8) & 15)
@@ -414,7 +416,7 @@ static void i7300_process_fbd_error(struct mem_ctl_info *mci)
struct i7300_pvt *pvt;
u32 errnum, value;
u16 val16;
- unsigned branch, bank, rank, cas, ras;
+ unsigned branch, channel, bank, rank, cas, ras;
u32 syndrome;
unsigned long errors;
@@ -488,12 +490,19 @@ static void i7300_process_fbd_error(struct mem_ctl_info *mci)
cas = RECMEMB_CAS(value);
ras = RECMEMB_RAS(value);
+ pci_read_config_dword(pvt->pci_dev_16_1_fsb_addr_map,
+ REDMEMB, &value);
+
+ channel = (branch << 1);
+ if (IS_SECOND_CH(value))
+ channel++;
+
/* Form out message */
snprintf(pvt->tmp_prt_buffer, PAGE_SIZE,
- "Corrected error (Branch=%d (channel %d or %d), "
+ "Corrected error (Branch=%d, Channel %d), "
" DRAM-Bank=%d %s "
"RAS=%d CAS=%d, CE Err=0x%lx, Syndrome=0x%08x(%s))",
- branch, branch << 1, (branch << 1) + 1,
+ branch, channel,
bank,
is_wr ? "RDWR" : "RD",
ras, cas,
@@ -505,7 +514,7 @@ static void i7300_process_fbd_error(struct mem_ctl_info *mci)
* Currently, we don't know how to identify the right
* channel.
*/
- edac_mc_handle_fbd_ce(mci, rank, branch << 1,
+ edac_mc_handle_fbd_ce(mci, rank, channel,
pvt->tmp_prt_buffer);
}
return;