diff options
Diffstat (limited to 'drivers/edac/sb_edac.c')
| -rw-r--r-- | drivers/edac/sb_edac.c | 66 |
1 files changed, 30 insertions, 36 deletions
diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c index 82318d4062a7..718f623f010f 100644 --- a/drivers/edac/sb_edac.c +++ b/drivers/edac/sb_edac.c @@ -112,37 +112,27 @@ static const u32 sbridge_interleave_list[] = { 0xac, 0xb4, 0xbc, 0xc4, 0xcc, }; -#define SAD_PKG0(reg) GET_BITFIELD(reg, 0, 2) -#define SAD_PKG1(reg) GET_BITFIELD(reg, 3, 5) -#define SAD_PKG2(reg) GET_BITFIELD(reg, 8, 10) -#define SAD_PKG3(reg) GET_BITFIELD(reg, 11, 13) -#define SAD_PKG4(reg) GET_BITFIELD(reg, 16, 18) -#define SAD_PKG5(reg) GET_BITFIELD(reg, 19, 21) -#define SAD_PKG6(reg) GET_BITFIELD(reg, 24, 26) -#define SAD_PKG7(reg) GET_BITFIELD(reg, 27, 29) - -static inline int sad_pkg(u32 reg, int interleave) +struct interleave_pkg { + unsigned char start; + unsigned char end; +}; + +static const struct interleave_pkg sbridge_interleave_pkg[] = { + { 0, 2 }, + { 3, 5 }, + { 8, 10 }, + { 11, 13 }, + { 16, 18 }, + { 19, 21 }, + { 24, 26 }, + { 27, 29 }, +}; + +static inline int sad_pkg(const struct interleave_pkg *table, u32 reg, + int interleave) { - switch (interleave) { - case 0: - return SAD_PKG0(reg); - case 1: - return SAD_PKG1(reg); - case 2: - return SAD_PKG2(reg); - case 3: - return SAD_PKG3(reg); - case 4: - return SAD_PKG4(reg); - case 5: - return SAD_PKG5(reg); - case 6: - return SAD_PKG6(reg); - case 7: - return SAD_PKG7(reg); - default: - return -EINVAL; - } + return GET_BITFIELD(reg, table[interleave].start, + table[interleave].end); } /* Devices 12 Function 7 */ @@ -279,6 +269,7 @@ struct sbridge_info { u64 (*get_tohm)(struct sbridge_pvt *pvt); const u32 *dram_rule; const u32 *interleave_list; + const struct interleave_pkg *interleave_pkg; u8 max_sad; u8 max_interleave; }; @@ -700,13 +691,14 @@ static void get_memory_layout(const struct mem_ctl_info *mci) pci_read_config_dword(pvt->pci_sad0, pvt->info.interleave_list[n_sads], ®); - sad_interl = sad_pkg(reg, 0); + sad_interl = sad_pkg(pvt->info.interleave_pkg, reg, 0); for (j = 0; j < 8; j++) { - if (j > 0 && sad_interl == sad_pkg(reg, j)) + u32 pkg = sad_pkg(pvt->info.interleave_pkg, reg, j); + if (j > 0 && sad_interl == pkg) break; edac_dbg(0, "SAD#%d, interleave #%d: %d\n", - n_sads, j, sad_pkg(reg, j)); + n_sads, j, pkg); } } @@ -874,11 +866,12 @@ static int get_memory_error_data(struct mem_ctl_info *mci, pci_read_config_dword(pvt->pci_sad0, pvt->info.interleave_list[n_sads], ®); - sad_interl = sad_pkg(reg, 0); + sad_interl = sad_pkg(pvt->info.interleave_pkg, reg, 0); for (sad_way = 0; sad_way < 8; sad_way++) { - if (sad_way > 0 && sad_interl == sad_pkg(reg, sad_way)) + u32 pkg = sad_pkg(pvt->info.interleave_pkg, reg, sad_way); + if (sad_way > 0 && sad_interl == pkg) break; - sad_interleave[sad_way] = sad_pkg(reg, sad_way); + sad_interleave[sad_way] = pkg; edac_dbg(0, "SAD interleave #%d: %d\n", sad_way, sad_interleave[sad_way]); } @@ -1684,6 +1677,7 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev) pvt->info.max_sad = ARRAY_SIZE(sbridge_dram_rule); pvt->info.interleave_list = sbridge_interleave_list; pvt->info.max_interleave = ARRAY_SIZE(sbridge_interleave_list); + pvt->info.interleave_pkg = sbridge_interleave_pkg; /* Set the function pointer to an actual operation function */ mci->edac_check = sbridge_check_error; |