diff options
Diffstat (limited to '')
-rw-r--r-- | drivers/edac/i5100_edac.c | 396 |
1 files changed, 261 insertions, 135 deletions
diff --git a/drivers/edac/i5100_edac.c b/drivers/edac/i5100_edac.c index d85e7992eb6a..22db05a67bfb 100644 --- a/drivers/edac/i5100_edac.c +++ b/drivers/edac/i5100_edac.c @@ -21,36 +21,19 @@ #include "edac_core.h" -/* register addresses and bit field accessors... */ +/* register addresses */ /* device 16, func 1 */ #define I5100_MC 0x40 /* Memory Control Register */ -#define I5100_MC_ERRDETEN(a) ((a) >> 5 & 1) #define I5100_MS 0x44 /* Memory Status Register */ #define I5100_SPDDATA 0x48 /* Serial Presence Detect Status Reg */ -#define I5100_SPDDATA_RDO(a) ((a) >> 15 & 1) -#define I5100_SPDDATA_SBE(a) ((a) >> 13 & 1) -#define I5100_SPDDATA_BUSY(a) ((a) >> 12 & 1) -#define I5100_SPDDATA_DATA(a) ((a) & ((1 << 8) - 1)) #define I5100_SPDCMD 0x4c /* Serial Presence Detect Command Reg */ -#define I5100_SPDCMD_DTI(a) (((a) & ((1 << 4) - 1)) << 28) -#define I5100_SPDCMD_CKOVRD(a) (((a) & 1) << 27) -#define I5100_SPDCMD_SA(a) (((a) & ((1 << 3) - 1)) << 24) -#define I5100_SPDCMD_BA(a) (((a) & ((1 << 8) - 1)) << 16) -#define I5100_SPDCMD_DATA(a) (((a) & ((1 << 8) - 1)) << 8) -#define I5100_SPDCMD_CMD(a) ((a) & 1) #define I5100_TOLM 0x6c /* Top of Low Memory */ -#define I5100_TOLM_TOLM(a) ((a) >> 12 & ((1 << 4) - 1)) #define I5100_MIR0 0x80 /* Memory Interleave Range 0 */ #define I5100_MIR1 0x84 /* Memory Interleave Range 1 */ #define I5100_AMIR_0 0x8c /* Adjusted Memory Interleave Range 0 */ #define I5100_AMIR_1 0x90 /* Adjusted Memory Interleave Range 1 */ -#define I5100_MIR_LIMIT(a) ((a) >> 4 & ((1 << 12) - 1)) -#define I5100_MIR_WAY1(a) ((a) >> 1 & 1) -#define I5100_MIR_WAY0(a) ((a) & 1) #define I5100_FERR_NF_MEM 0xa0 /* MC First Non Fatal Errors */ -#define I5100_FERR_NF_MEM_CHAN_INDX(a) ((a) >> 28 & 1) -#define I5100_FERR_NF_MEM_SPD_MASK (1 << 18) #define I5100_FERR_NF_MEM_M16ERR_MASK (1 << 16) #define I5100_FERR_NF_MEM_M15ERR_MASK (1 << 15) #define I5100_FERR_NF_MEM_M14ERR_MASK (1 << 14) @@ -72,47 +55,214 @@ I5100_FERR_NF_MEM_M5ERR_MASK | \ I5100_FERR_NF_MEM_M4ERR_MASK | \ I5100_FERR_NF_MEM_M1ERR_MASK) -#define I5100_FERR_NF_MEM_ANY(a) ((a) & I5100_FERR_NF_MEM_ANY_MASK) #define I5100_NERR_NF_MEM 0xa4 /* MC Next Non-Fatal Errors */ -#define I5100_NERR_NF_MEM_ANY(a) I5100_FERR_NF_MEM_ANY(a) #define I5100_EMASK_MEM 0xa8 /* MC Error Mask Register */ /* device 21 and 22, func 0 */ #define I5100_MTR_0 0x154 /* Memory Technology Registers 0-3 */ #define I5100_DMIR 0x15c /* DIMM Interleave Range */ -#define I5100_DMIR_LIMIT(a) ((a) >> 16 & ((1 << 11) - 1)) -#define I5100_DMIR_RANK(a, i) ((a) >> (4 * i) & ((1 << 2) - 1)) -#define I5100_MTR_4 0x1b0 /* Memory Technology Registers 4,5 */ -#define I5100_MTR_PRESENT(a) ((a) >> 10 & 1) -#define I5100_MTR_ETHROTTLE(a) ((a) >> 9 & 1) -#define I5100_MTR_WIDTH(a) ((a) >> 8 & 1) -#define I5100_MTR_NUMBANK(a) ((a) >> 6 & 1) -#define I5100_MTR_NUMROW(a) ((a) >> 2 & ((1 << 2) - 1)) -#define I5100_MTR_NUMCOL(a) ((a) & ((1 << 2) - 1)) #define I5100_VALIDLOG 0x18c /* Valid Log Markers */ -#define I5100_VALIDLOG_REDMEMVALID(a) ((a) >> 2 & 1) -#define I5100_VALIDLOG_RECMEMVALID(a) ((a) >> 1 & 1) -#define I5100_VALIDLOG_NRECMEMVALID(a) ((a) & 1) #define I5100_NRECMEMA 0x190 /* Non-Recoverable Memory Error Log Reg A */ -#define I5100_NRECMEMA_MERR(a) ((a) >> 15 & ((1 << 5) - 1)) -#define I5100_NRECMEMA_BANK(a) ((a) >> 12 & ((1 << 3) - 1)) -#define I5100_NRECMEMA_RANK(a) ((a) >> 8 & ((1 << 3) - 1)) -#define I5100_NRECMEMA_DM_BUF_ID(a) ((a) & ((1 << 8) - 1)) #define I5100_NRECMEMB 0x194 /* Non-Recoverable Memory Error Log Reg B */ -#define I5100_NRECMEMB_CAS(a) ((a) >> 16 & ((1 << 13) - 1)) -#define I5100_NRECMEMB_RAS(a) ((a) & ((1 << 16) - 1)) #define I5100_REDMEMA 0x198 /* Recoverable Memory Data Error Log Reg A */ -#define I5100_REDMEMA_SYNDROME(a) (a) #define I5100_REDMEMB 0x19c /* Recoverable Memory Data Error Log Reg B */ -#define I5100_REDMEMB_ECC_LOCATOR(a) ((a) & ((1 << 18) - 1)) #define I5100_RECMEMA 0x1a0 /* Recoverable Memory Error Log Reg A */ -#define I5100_RECMEMA_MERR(a) I5100_NRECMEMA_MERR(a) -#define I5100_RECMEMA_BANK(a) I5100_NRECMEMA_BANK(a) -#define I5100_RECMEMA_RANK(a) I5100_NRECMEMA_RANK(a) -#define I5100_RECMEMA_DM_BUF_ID(a) I5100_NRECMEMA_DM_BUF_ID(a) #define I5100_RECMEMB 0x1a4 /* Recoverable Memory Error Log Reg B */ -#define I5100_RECMEMB_CAS(a) I5100_NRECMEMB_CAS(a) -#define I5100_RECMEMB_RAS(a) I5100_NRECMEMB_RAS(a) +#define I5100_MTR_4 0x1b0 /* Memory Technology Registers 4,5 */ + +/* bit field accessors */ + +static inline u32 i5100_mc_errdeten(u32 mc) +{ + return mc >> 5 & 1; +} + +static inline u16 i5100_spddata_rdo(u16 a) +{ + return a >> 15 & 1; +} + +static inline u16 i5100_spddata_sbe(u16 a) +{ + return a >> 13 & 1; +} + +static inline u16 i5100_spddata_busy(u16 a) +{ + return a >> 12 & 1; +} + +static inline u16 i5100_spddata_data(u16 a) +{ + return a & ((1 << 8) - 1); +} + +static inline u32 i5100_spdcmd_create(u32 dti, u32 ckovrd, u32 sa, u32 ba, + u32 data, u32 cmd) +{ + return ((dti & ((1 << 4) - 1)) << 28) | + ((ckovrd & 1) << 27) | + ((sa & ((1 << 3) - 1)) << 24) | + ((ba & ((1 << 8) - 1)) << 16) | + ((data & ((1 << 8) - 1)) << 8) | + (cmd & 1); +} + +static inline u16 i5100_tolm_tolm(u16 a) +{ + return a >> 12 & ((1 << 4) - 1); +} + +static inline u16 i5100_mir_limit(u16 a) +{ + return a >> 4 & ((1 << 12) - 1); +} + +static inline u16 i5100_mir_way1(u16 a) +{ + return a >> 1 & 1; +} + +static inline u16 i5100_mir_way0(u16 a) +{ + return a & 1; +} + +static inline u32 i5100_ferr_nf_mem_chan_indx(u32 a) +{ + return a >> 28 & 1; +} + +static inline u32 i5100_ferr_nf_mem_any(u32 a) +{ + return a & I5100_FERR_NF_MEM_ANY_MASK; +} + +static inline u32 i5100_nerr_nf_mem_any(u32 a) +{ + return i5100_ferr_nf_mem_any(a); +} + +static inline u32 i5100_dmir_limit(u32 a) +{ + return a >> 16 & ((1 << 11) - 1); +} + +static inline u32 i5100_dmir_rank(u32 a, u32 i) +{ + return a >> (4 * i) & ((1 << 2) - 1); +} + +static inline u16 i5100_mtr_present(u16 a) +{ + return a >> 10 & 1; +} + +static inline u16 i5100_mtr_ethrottle(u16 a) +{ + return a >> 9 & 1; +} + +static inline u16 i5100_mtr_width(u16 a) +{ + return a >> 8 & 1; +} + +static inline u16 i5100_mtr_numbank(u16 a) +{ + return a >> 6 & 1; +} + +static inline u16 i5100_mtr_numrow(u16 a) +{ + return a >> 2 & ((1 << 2) - 1); +} + +static inline u16 i5100_mtr_numcol(u16 a) +{ + return a & ((1 << 2) - 1); +} + + +static inline u32 i5100_validlog_redmemvalid(u32 a) +{ + return a >> 2 & 1; +} + +static inline u32 i5100_validlog_recmemvalid(u32 a) +{ + return a >> 1 & 1; +} + +static inline u32 i5100_validlog_nrecmemvalid(u32 a) +{ + return a & 1; +} + +static inline u32 i5100_nrecmema_merr(u32 a) +{ + return a >> 15 & ((1 << 5) - 1); +} + +static inline u32 i5100_nrecmema_bank(u32 a) +{ + return a >> 12 & ((1 << 3) - 1); +} + +static inline u32 i5100_nrecmema_rank(u32 a) +{ + return a >> 8 & ((1 << 3) - 1); +} + +static inline u32 i5100_nrecmema_dm_buf_id(u32 a) +{ + return a & ((1 << 8) - 1); +} + +static inline u32 i5100_nrecmemb_cas(u32 a) +{ + return a >> 16 & ((1 << 13) - 1); +} + +static inline u32 i5100_nrecmemb_ras(u32 a) +{ + return a & ((1 << 16) - 1); +} + +static inline u32 i5100_redmemb_ecc_locator(u32 a) +{ + return a & ((1 << 18) - 1); +} + +static inline u32 i5100_recmema_merr(u32 a) +{ + return i5100_nrecmema_merr(a); +} + +static inline u32 i5100_recmema_bank(u32 a) +{ + return i5100_nrecmema_bank(a); +} + +static inline u32 i5100_recmema_rank(u32 a) +{ + return i5100_nrecmema_rank(a); +} + +static inline u32 i5100_recmema_dm_buf_id(u32 a) +{ + return i5100_nrecmema_dm_buf_id(a); +} + +static inline u32 i5100_recmemb_cas(u32 a) +{ + return i5100_nrecmemb_cas(a); +} + +static inline u32 i5100_recmemb_ras(u32 a) +{ + return i5100_nrecmemb_ras(a); +} /* some generic limits */ #define I5100_MAX_RANKS_PER_CTLR 6 @@ -189,42 +339,9 @@ static int i5100_rank_to_slot(const struct mem_ctl_info *mci, return -1; } -/* - * The processor bus memory addresses are broken into three - * pieces, whereas the controller addresses are contiguous. - * - * here we map from the controller address space to the - * processor address space: - * - * Processor Address Space - * +-----------------------------+ - * | | - * | "high" memory addresses | - * | | - * +-----------------------------+ <- 4GB on the i5100 - * | | - * | other non-memory addresses | - * | | - * +-----------------------------+ <- top of low memory - * | | - * | "low" memory addresses | - * | | - * +-----------------------------+ - */ -static unsigned long i5100_ctl_page_to_phys(struct mem_ctl_info *mci, - unsigned long cntlr_addr) -{ - const struct i5100_priv *priv = mci->pvt_info; - - if (cntlr_addr < priv->tolm) - return cntlr_addr; - - return (1ULL << 32) + (cntlr_addr - priv->tolm); -} - static const char *i5100_err_msg(unsigned err) { - const char *merrs[] = { + static const char *merrs[] = { "unknown", /* 0 */ "uncorrectable data ECC on replay", /* 1 */ "unknown", /* 2 */ @@ -341,24 +458,24 @@ static void i5100_read_log(struct mem_ctl_info *mci, int ctlr, pci_read_config_dword(pdev, I5100_VALIDLOG, &dw); - if (I5100_VALIDLOG_REDMEMVALID(dw)) { + if (i5100_validlog_redmemvalid(dw)) { pci_read_config_dword(pdev, I5100_REDMEMA, &dw2); - syndrome = I5100_REDMEMA_SYNDROME(dw2); + syndrome = dw2; pci_read_config_dword(pdev, I5100_REDMEMB, &dw2); - ecc_loc = I5100_REDMEMB_ECC_LOCATOR(dw2); + ecc_loc = i5100_redmemb_ecc_locator(dw2); } - if (I5100_VALIDLOG_RECMEMVALID(dw)) { + if (i5100_validlog_recmemvalid(dw)) { const char *msg; pci_read_config_dword(pdev, I5100_RECMEMA, &dw2); - merr = I5100_RECMEMA_MERR(dw2); - bank = I5100_RECMEMA_BANK(dw2); - rank = I5100_RECMEMA_RANK(dw2); + merr = i5100_recmema_merr(dw2); + bank = i5100_recmema_bank(dw2); + rank = i5100_recmema_rank(dw2); pci_read_config_dword(pdev, I5100_RECMEMB, &dw2); - cas = I5100_RECMEMB_CAS(dw2); - ras = I5100_RECMEMB_RAS(dw2); + cas = i5100_recmemb_cas(dw2); + ras = i5100_recmemb_ras(dw2); /* FIXME: not really sure if this is what merr is... */ @@ -370,17 +487,17 @@ static void i5100_read_log(struct mem_ctl_info *mci, int ctlr, i5100_handle_ce(mci, ctlr, bank, rank, syndrome, cas, ras, msg); } - if (I5100_VALIDLOG_NRECMEMVALID(dw)) { + if (i5100_validlog_nrecmemvalid(dw)) { const char *msg; pci_read_config_dword(pdev, I5100_NRECMEMA, &dw2); - merr = I5100_NRECMEMA_MERR(dw2); - bank = I5100_NRECMEMA_BANK(dw2); - rank = I5100_NRECMEMA_RANK(dw2); + merr = i5100_nrecmema_merr(dw2); + bank = i5100_nrecmema_bank(dw2); + rank = i5100_nrecmema_rank(dw2); pci_read_config_dword(pdev, I5100_NRECMEMB, &dw2); - cas = I5100_NRECMEMB_CAS(dw2); - ras = I5100_NRECMEMB_RAS(dw2); + cas = i5100_nrecmemb_cas(dw2); + ras = i5100_nrecmemb_ras(dw2); /* FIXME: not really sure if this is what merr is... */ @@ -402,7 +519,7 @@ static void i5100_check_error(struct mem_ctl_info *mci) pci_read_config_dword(priv->mc, I5100_FERR_NF_MEM, &dw); - if (I5100_FERR_NF_MEM_ANY(dw)) { + if (i5100_ferr_nf_mem_any(dw)) { u32 dw2; pci_read_config_dword(priv->mc, I5100_NERR_NF_MEM, &dw2); @@ -411,9 +528,9 @@ static void i5100_check_error(struct mem_ctl_info *mci) dw2); pci_write_config_dword(priv->mc, I5100_FERR_NF_MEM, dw); - i5100_read_log(mci, I5100_FERR_NF_MEM_CHAN_INDX(dw), - I5100_FERR_NF_MEM_ANY(dw), - I5100_NERR_NF_MEM_ANY(dw2)); + i5100_read_log(mci, i5100_ferr_nf_mem_chan_indx(dw), + i5100_ferr_nf_mem_any(dw), + i5100_nerr_nf_mem_any(dw2)); } } @@ -476,12 +593,12 @@ static void __devinit i5100_init_mtr(struct mem_ctl_info *mci) pci_read_config_word(pdev, addr, &w); - priv->mtr[i][j].present = I5100_MTR_PRESENT(w); - priv->mtr[i][j].ethrottle = I5100_MTR_ETHROTTLE(w); - priv->mtr[i][j].width = 4 + 4 * I5100_MTR_WIDTH(w); - priv->mtr[i][j].numbank = 2 + I5100_MTR_NUMBANK(w); - priv->mtr[i][j].numrow = 13 + I5100_MTR_NUMROW(w); - priv->mtr[i][j].numcol = 10 + I5100_MTR_NUMCOL(w); + priv->mtr[i][j].present = i5100_mtr_present(w); + priv->mtr[i][j].ethrottle = i5100_mtr_ethrottle(w); + priv->mtr[i][j].width = 4 + 4 * i5100_mtr_width(w); + priv->mtr[i][j].numbank = 2 + i5100_mtr_numbank(w); + priv->mtr[i][j].numrow = 13 + i5100_mtr_numrow(w); + priv->mtr[i][j].numcol = 10 + i5100_mtr_numcol(w); } } } @@ -495,35 +612,30 @@ static int i5100_read_spd_byte(const struct mem_ctl_info *mci, { struct i5100_priv *priv = mci->pvt_info; u16 w; - u32 dw; unsigned long et; pci_read_config_word(priv->mc, I5100_SPDDATA, &w); - if (I5100_SPDDATA_BUSY(w)) + if (i5100_spddata_busy(w)) return -1; - dw = I5100_SPDCMD_DTI(0xa) | - I5100_SPDCMD_CKOVRD(1) | - I5100_SPDCMD_SA(ch * 4 + slot) | - I5100_SPDCMD_BA(addr) | - I5100_SPDCMD_DATA(0) | - I5100_SPDCMD_CMD(0); - pci_write_config_dword(priv->mc, I5100_SPDCMD, dw); + pci_write_config_dword(priv->mc, I5100_SPDCMD, + i5100_spdcmd_create(0xa, 1, ch * 4 + slot, addr, + 0, 0)); /* wait up to 100ms */ et = jiffies + HZ / 10; udelay(100); while (1) { pci_read_config_word(priv->mc, I5100_SPDDATA, &w); - if (!I5100_SPDDATA_BUSY(w)) + if (!i5100_spddata_busy(w)) break; udelay(100); } - if (!I5100_SPDDATA_RDO(w) || I5100_SPDDATA_SBE(w)) + if (!i5100_spddata_rdo(w) || i5100_spddata_sbe(w)) return -1; - *byte = I5100_SPDDATA_DATA(w); + *byte = i5100_spddata_data(w); return 0; } @@ -591,17 +703,17 @@ static void __devinit i5100_init_interleaving(struct pci_dev *pdev, int i; pci_read_config_word(pdev, I5100_TOLM, &w); - priv->tolm = (u64) I5100_TOLM_TOLM(w) * 256 * 1024 * 1024; + priv->tolm = (u64) i5100_tolm_tolm(w) * 256 * 1024 * 1024; pci_read_config_word(pdev, I5100_MIR0, &w); - priv->mir[0].limit = (u64) I5100_MIR_LIMIT(w) << 28; - priv->mir[0].way[1] = I5100_MIR_WAY1(w); - priv->mir[0].way[0] = I5100_MIR_WAY0(w); + priv->mir[0].limit = (u64) i5100_mir_limit(w) << 28; + priv->mir[0].way[1] = i5100_mir_way1(w); + priv->mir[0].way[0] = i5100_mir_way0(w); pci_read_config_word(pdev, I5100_MIR1, &w); - priv->mir[1].limit = (u64) I5100_MIR_LIMIT(w) << 28; - priv->mir[1].way[1] = I5100_MIR_WAY1(w); - priv->mir[1].way[0] = I5100_MIR_WAY0(w); + priv->mir[1].limit = (u64) i5100_mir_limit(w) << 28; + priv->mir[1].way[1] = i5100_mir_way1(w); + priv->mir[1].way[0] = i5100_mir_way0(w); pci_read_config_word(pdev, I5100_AMIR_0, &w); priv->amir[0] = w; @@ -617,10 +729,10 @@ static void __devinit i5100_init_interleaving(struct pci_dev *pdev, pci_read_config_dword(mms[i], I5100_DMIR + j * 4, &dw); priv->dmir[i][j].limit = - (u64) I5100_DMIR_LIMIT(dw) << 28; + (u64) i5100_dmir_limit(dw) << 28; for (k = 0; k < I5100_MAX_RANKS_PER_DIMM; k++) priv->dmir[i][j].rank[k] = - I5100_DMIR_RANK(dw, k); + i5100_dmir_rank(dw, k); } } @@ -693,10 +805,10 @@ static int __devinit i5100_init_one(struct pci_dev *pdev, /* ECC enabled? */ pci_read_config_dword(pdev, I5100_MC, &dw); - if (!I5100_MC_ERRDETEN(dw)) { + if (!i5100_mc_errdeten(dw)) { printk(KERN_INFO "i5100_edac: ECC not enabled.\n"); ret = -ENODEV; - goto bail; + goto bail_pdev; } /* figure out how many ranks, from strapped state of 48GB_Mode input */ @@ -707,7 +819,7 @@ static int __devinit i5100_init_one(struct pci_dev *pdev, /* FIXME: get 6 ranks / controller to work - need hw... */ printk(KERN_INFO "i5100_edac: unsupported configuration.\n"); ret = -ENODEV; - goto bail; + goto bail_pdev; } /* enable error reporting... */ @@ -718,8 +830,10 @@ static int __devinit i5100_init_one(struct pci_dev *pdev, /* device 21, func 0, Channel 0 Memory Map, Error Flag/Mask, etc... */ ch0mm = pci_get_device_func(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_5100_21, 0); - if (!ch0mm) - return -ENODEV; + if (!ch0mm) { + ret = -ENODEV; + goto bail_pdev; + } rc = pci_enable_device(ch0mm); if (rc < 0) { @@ -732,7 +846,7 @@ static int __devinit i5100_init_one(struct pci_dev *pdev, PCI_DEVICE_ID_INTEL_5100_22, 0); if (!ch1mm) { ret = -ENODEV; - goto bail_ch0; + goto bail_disable_ch0; } rc = pci_enable_device(ch1mm); @@ -744,7 +858,7 @@ static int __devinit i5100_init_one(struct pci_dev *pdev, mci = edac_mc_alloc(sizeof(*priv), ranksperch * 2, 1, 0); if (!mci) { ret = -ENOMEM; - goto bail_ch1; + goto bail_disable_ch1; } mci->dev = &pdev->dev; @@ -765,7 +879,7 @@ static int __devinit i5100_init_one(struct pci_dev *pdev, mci->mod_ver = "not versioned"; mci->ctl_name = "i5100"; mci->dev_name = pci_name(pdev); - mci->ctl_page_to_phys = i5100_ctl_page_to_phys; + mci->ctl_page_to_phys = NULL; mci->edac_check = i5100_check_error; @@ -786,17 +900,26 @@ static int __devinit i5100_init_one(struct pci_dev *pdev, goto bail_mc; } - goto bail; + return ret; bail_mc: edac_mc_free(mci); +bail_disable_ch1: + pci_disable_device(ch1mm); + bail_ch1: pci_dev_put(ch1mm); +bail_disable_ch0: + pci_disable_device(ch0mm); + bail_ch0: pci_dev_put(ch0mm); +bail_pdev: + pci_disable_device(pdev); + bail: return ret; } @@ -812,6 +935,9 @@ static void __devexit i5100_remove_one(struct pci_dev *pdev) return; priv = mci->pvt_info; + pci_disable_device(pdev); + pci_disable_device(priv->ch0mm); + pci_disable_device(priv->ch1mm); pci_dev_put(priv->ch0mm); pci_dev_put(priv->ch1mm); |