From 37b69cf91c2c6e60856ad1ac4c37ccb2005ebbd3 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Fri, 27 Aug 2010 15:44:43 -0300 Subject: [PATCH] i7300_edac: Properly detect channel on CE errors Signed-off-by: Mauro Carvalho Chehab --- drivers/edac/i7300_edac.c | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/drivers/edac/i7300_edac.c b/drivers/edac/i7300_edac.c index a06db65e1fef..a85a8e5163b7 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; -- 2.39.5