diff options
| -rw-r--r-- | drivers/edac/e752x_edac.c | 34 |
1 files changed, 21 insertions, 13 deletions
diff --git a/drivers/edac/e752x_edac.c b/drivers/edac/e752x_edac.c index a041218370f9..f5168a593e93 100644 --- a/drivers/edac/e752x_edac.c +++ b/drivers/edac/e752x_edac.c @@ -284,9 +284,6 @@ static void do_process_ce(struct mem_ctl_info *mci, u16 error_one, /* 0 = channel A, 1 = channel B */ channel = !(error_one & 1); - if (!pvt->map_type) - row = 7 - row; - /* e752x mc reads 34:6 of the DRAM linear address */ edac_mc_handle_ce(mci, page, offset_in_page(sec1_add << 4), sec1_syndrome, row, channel, "e752x CE"); @@ -774,6 +771,18 @@ static inline int dual_channel_active(u16 ddrcsr) return (((ddrcsr >> 12) & 3) == 3); } +/* Remap csrow index numbers if map_type is "reverse" + */ +static inline int remap_csrow_index(struct mem_ctl_info *mci, int index) +{ + struct e752x_pvt *pvt = mci->pvt_info; + + if (!pvt->map_type) + return (7 - index); + + return (index); +} + static void e752x_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev, u16 ddrcsr) { @@ -804,7 +813,7 @@ static void e752x_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev, for (last_cumul_size = index = 0; index < mci->nr_csrows; index++) { /* mem_dev 0=x8, 1=x4 */ mem_dev = (dra >> (index * 4 + 2)) & 0x3; - csrow = &mci->csrows[index]; + csrow = &mci->csrows[remap_csrow_index(mci, index)]; mem_dev = (mem_dev == 2); pci_read_config_byte(pdev, E752X_DRB + index, &value); @@ -844,7 +853,7 @@ static void e752x_init_mem_map_table(struct pci_dev *pdev, struct e752x_pvt *pvt) { int index; - u8 value, last, row, stat8; + u8 value, last, row; last = 0; row = 0; @@ -873,10 +882,6 @@ static void e752x_init_mem_map_table(struct pci_dev *pdev, last = value; } } - - /* set the map type. 1 = normal, 0 = reversed */ - pci_read_config_byte(pdev, E752X_DRM, &stat8); - pvt->map_type = ((stat8 & 0x0f) > ((stat8 >> 4) & 0x0f)); } /* Return 0 on success or 1 on failure. */ @@ -1003,13 +1008,16 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx) mci->edac_check = e752x_check; mci->ctl_page_to_phys = ctl_page_to_phys; - e752x_init_csrows(mci, pdev, ddrcsr); - e752x_init_mem_map_table(pdev, pvt); - - /* set the map type. 1 = normal, 0 = reversed */ + /* set the map type. 1 = normal, 0 = reversed + * Must be set before e752x_init_csrows in case csrow mapping + * is reversed. + */ pci_read_config_byte(pdev, E752X_DRM, &stat8); pvt->map_type = ((stat8 & 0x0f) > ((stat8 >> 4) & 0x0f)); + e752x_init_csrows(mci, pdev, ddrcsr); + e752x_init_mem_map_table(pdev, pvt); + mci->edac_cap |= EDAC_FLAG_NONE; debugf3("%s(): tolm, remapbase, remaplimit\n", __func__); |