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platform_kernel-5.15
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i7300_edac: enrich FBD error info for fatal errors 

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2010-08-27 11:51:48 -03:00
parent 85580ea4f7
commit 8199d8cc65
1 changed files with 38 additions and 3 deletions
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41
drivers/edac/i7300_edac.c
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@ -268,6 +268,16 @@ static const char *ferr_global_lo_name[] = {
}; };
#define ferr_global_lo_is_fatal(errno) ((errno < 16) ? 0 : 1) #define ferr_global_lo_is_fatal(errno) ((errno < 16) ? 0 : 1)
#define NRECMEMA 0xbe
#define NRECMEMA_BANK(v) (((v) >> 12) & 7)
#define NRECMEMA_RANK(v) (((v) >> 8) & 15)
#define NRECMEMB 0xc0
#define NRECMEMB_IS_WR(v) ((v) & (1 << 31))
#define NRECMEMB_CAS(v) (((v) >> 16) & 0x1fff)
#define NRECMEMB_RAS(v) ((v) & 0xffff)
/* Device name and register DID (Device ID) */ /* Device name and register DID (Device ID) */
struct i7300_dev_info { struct i7300_dev_info {
const char *ctl_name; /* name for this device */ const char *ctl_name; /* name for this device */
@ -392,10 +402,11 @@ static void i7300_process_fbd_error(struct mem_ctl_info *mci)
{ {
struct i7300_pvt *pvt; struct i7300_pvt *pvt;
u32 errnum, value; u32 errnum, value;
int branch; u16 val16;
int branch, bank, rank, cas, ras;
unsigned long errors; unsigned long errors;
const char *specific; const char *specific;
bool is_fatal; bool is_fatal, is_wr;
pvt = mci->pvt_info; pvt = mci->pvt_info;
@ -410,8 +421,31 @@ static void i7300_process_fbd_error(struct mem_ctl_info *mci)
is_fatal = 1; is_fatal = 1;
branch = (GET_FBD_FAT_IDX(value) == 2) ? 1 : 0; branch = (GET_FBD_FAT_IDX(value) == 2) ? 1 : 0;
pci_read_config_word(pvt->pci_dev_16_1_fsb_addr_map,
NRECMEMA, &val16);
bank = NRECMEMA_BANK(val16);
rank = NRECMEMA_RANK(val16);
goto error_fbd; pci_read_config_dword(pvt->pci_dev_16_1_fsb_addr_map,
NRECMEMB, &value);
is_wr = NRECMEMB_IS_WR(value);
cas = NRECMEMB_CAS(value);
ras = NRECMEMB_RAS(value);
snprintf(pvt->tmp_prt_buffer, PAGE_SIZE,
"FATAL (Branch=%d DRAM-Bank=%d %s "
"RAS=%d CAS=%d Err=0x%lx (%s))",
branch >> 1, bank,
is_wr ? "RDWR" : "RD",
ras, cas,
errors, specific);
/* Call the helper to output message */
edac_mc_handle_fbd_ue(mci, rank, branch << 1,
(branch << 1) + 1,
pvt->tmp_prt_buffer);
return;
} }
/* read in the 1st NON-FATAL error register */ /* read in the 1st NON-FATAL error register */
@ -433,6 +467,7 @@ static void i7300_process_fbd_error(struct mem_ctl_info *mci)
return; return;
error_fbd: error_fbd:
i7300_mc_printk(mci, KERN_EMERG, "%s FBD error on branch %d: %s\n", i7300_mc_printk(mci, KERN_EMERG, "%s FBD error on branch %d: %s\n",
is_fatal ? "Fatal" : "NOT fatal", branch, specific); is_fatal ? "Fatal" : "NOT fatal", branch, specific);
} }