diff options
| author | Aristeu Rozanski <arozansk@redhat.com> | 2013-10-30 17:27:00 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2013-11-14 19:48:16 +0100 |
| commit | 464f1d829afd51ff3b7e43da480c86148d5ff924 (patch) | |
| tree | 58c73d7b503470e97e41abb968e1dae86d111569 /drivers/edac/sb_edac.c | |
| parent | sb_edac: isolate TOHM retrieval (diff) | |
| download | linux-464f1d829afd51ff3b7e43da480c86148d5ff924.tar.xz linux-464f1d829afd51ff3b7e43da480c86148d5ff924.zip | |
sb_edac: allow different dram_rule arrays
This is in preparation for Ivy Bridge support
Signed-off-by: Aristeu Rozanski <arozansk@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/edac/sb_edac.c')
| -rw-r--r-- | drivers/edac/sb_edac.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c index 4ec4957b484c..c42dec232507 100644 --- a/drivers/edac/sb_edac.c +++ b/drivers/edac/sb_edac.c @@ -83,11 +83,10 @@ static int probed; #define PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_ERR3 0x3c77 /* 16.7 */ /* Devices 12 Function 6, Offsets 0x80 to 0xcc */ -static const u32 dram_rule[] = { +static const u32 sbridge_dram_rule[] = { 0x80, 0x88, 0x90, 0x98, 0xa0, 0xa8, 0xb0, 0xb8, 0xc0, 0xc8, }; -#define MAX_SAD ARRAY_SIZE(dram_rule) #define SAD_LIMIT(reg) ((GET_BITFIELD(reg, 6, 25) << 26) | 0x3ffffff) #define DRAM_ATTR(reg) GET_BITFIELD(reg, 2, 3) @@ -275,10 +274,12 @@ static const u32 correrrthrsld[] = { struct sbridge_pvt; struct sbridge_info { - u32 mcmtr; - u32 rankcfgr; - u64 (*get_tolm)(struct sbridge_pvt *pvt); - u64 (*get_tohm)(struct sbridge_pvt *pvt); + u32 mcmtr; + u32 rankcfgr; + u64 (*get_tolm)(struct sbridge_pvt *pvt); + u64 (*get_tohm)(struct sbridge_pvt *pvt); + const u32 *dram_rule; + u8 max_sad; }; struct sbridge_channel { @@ -673,9 +674,9 @@ static void get_memory_layout(const struct mem_ctl_info *mci) * algorithm bellow. */ prv = 0; - for (n_sads = 0; n_sads < MAX_SAD; n_sads++) { + for (n_sads = 0; n_sads < pvt->info.max_sad; n_sads++) { /* SAD_LIMIT Address range is 45:26 */ - pci_read_config_dword(pvt->pci_sad0, dram_rule[n_sads], + pci_read_config_dword(pvt->pci_sad0, pvt->info.dram_rule[n_sads], ®); limit = SAD_LIMIT(reg); @@ -847,8 +848,8 @@ static int get_memory_error_data(struct mem_ctl_info *mci, /* * Step 1) Get socket */ - for (n_sads = 0; n_sads < MAX_SAD; n_sads++) { - pci_read_config_dword(pvt->pci_sad0, dram_rule[n_sads], + for (n_sads = 0; n_sads < pvt->info.max_sad; n_sads++) { + pci_read_config_dword(pvt->pci_sad0, pvt->info.dram_rule[n_sads], ®); if (!DRAM_RULE_ENABLE(reg)) @@ -863,7 +864,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci, break; prv = limit; } - if (n_sads == MAX_SAD) { + if (n_sads == pvt->info.max_sad) { sprintf(msg, "Can't discover the memory socket"); return -EINVAL; } @@ -1678,6 +1679,8 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev) mci->ctl_page_to_phys = NULL; pvt->info.get_tolm = sbridge_get_tolm; pvt->info.get_tohm = sbridge_get_tohm; + pvt->info.dram_rule = sbridge_dram_rule; + pvt->info.max_sad = ARRAY_SIZE(sbridge_dram_rule); /* Set the function pointer to an actual operation function */ mci->edac_check = sbridge_check_error; |