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-rw-r--r--drivers/edac/amd64_edac.c324
-rw-r--r--drivers/edac/amd64_edac.h60
-rw-r--r--drivers/edac/edac_mc.c9
-rw-r--r--drivers/edac/edac_mc_sysfs.c28
-rw-r--r--drivers/edac/i5100_edac.c2
5 files changed, 334 insertions, 89 deletions
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 8b3d9014351..b86228cce67 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -123,7 +123,7 @@ static void f15h_select_dct(struct amd64_pvt *pvt, u8 dct)
u32 reg = 0;
amd64_read_pci_cfg(pvt->F1, DCT_CFG_SEL, &reg);
- reg &= 0xfffffffe;
+ reg &= (pvt->model >= 0x30) ? ~3 : ~1;
reg |= dct;
amd64_write_pci_cfg(pvt->F1, DCT_CFG_SEL, reg);
}
@@ -133,8 +133,9 @@ static int f15_read_dct_pci_cfg(struct amd64_pvt *pvt, int addr, u32 *val,
{
u8 dct = 0;
+ /* For F15 M30h, the second dct is DCT 3, refer to BKDG Section 2.10 */
if (addr >= 0x140 && addr <= 0x1a0) {
- dct = 1;
+ dct = (pvt->model >= 0x30) ? 3 : 1;
addr -= 0x100;
}
@@ -202,11 +203,11 @@ static int amd64_set_scrub_rate(struct mem_ctl_info *mci, u32 bw)
struct amd64_pvt *pvt = mci->pvt_info;
u32 min_scrubrate = 0x5;
- if (boot_cpu_data.x86 == 0xf)
+ if (pvt->fam == 0xf)
min_scrubrate = 0x0;
- /* F15h Erratum #505 */
- if (boot_cpu_data.x86 == 0x15)
+ /* Erratum #505 for F15h Model 0x00 - Model 0x01, Stepping 0 */
+ if (pvt->fam == 0x15 && pvt->model <= 0x01 && pvt->stepping < 0x1)
f15h_select_dct(pvt, 0);
return __amd64_set_scrub_rate(pvt->F3, bw, min_scrubrate);
@@ -218,8 +219,8 @@ static int amd64_get_scrub_rate(struct mem_ctl_info *mci)
u32 scrubval = 0;
int i, retval = -EINVAL;
- /* F15h Erratum #505 */
- if (boot_cpu_data.x86 == 0x15)
+ /* Erratum #505 for F15h Model 0x00 - Model 0x01, Stepping 0 */
+ if (pvt->fam == 0x15 && pvt->model <= 0x01 && pvt->stepping < 0x1)
f15h_select_dct(pvt, 0);
amd64_read_pci_cfg(pvt->F3, SCRCTRL, &scrubval);
@@ -335,7 +336,7 @@ static void get_cs_base_and_mask(struct amd64_pvt *pvt, int csrow, u8 dct,
u64 csbase, csmask, base_bits, mask_bits;
u8 addr_shift;
- if (boot_cpu_data.x86 == 0xf && pvt->ext_model < K8_REV_F) {
+ if (pvt->fam == 0xf && pvt->ext_model < K8_REV_F) {
csbase = pvt->csels[dct].csbases[csrow];
csmask = pvt->csels[dct].csmasks[csrow];
base_bits = GENMASK(21, 31) | GENMASK(9, 15);
@@ -343,10 +344,11 @@ static void get_cs_base_and_mask(struct amd64_pvt *pvt, int csrow, u8 dct,
addr_shift = 4;
/*
- * F16h needs two addr_shift values: 8 for high and 6 for low
- * (cf. F16h BKDG).
- */
- } else if (boot_cpu_data.x86 == 0x16) {
+ * F16h and F15h, models 30h and later need two addr_shift values:
+ * 8 for high and 6 for low (cf. F16h BKDG).
+ */
+ } else if (pvt->fam == 0x16 ||
+ (pvt->fam == 0x15 && pvt->model >= 0x30)) {
csbase = pvt->csels[dct].csbases[csrow];
csmask = pvt->csels[dct].csmasks[csrow >> 1];
@@ -367,7 +369,7 @@ static void get_cs_base_and_mask(struct amd64_pvt *pvt, int csrow, u8 dct,
csmask = pvt->csels[dct].csmasks[csrow >> 1];
addr_shift = 8;
- if (boot_cpu_data.x86 == 0x15)
+ if (pvt->fam == 0x15)
base_bits = mask_bits = GENMASK(19,30) | GENMASK(5,13);
else
base_bits = mask_bits = GENMASK(19,28) | GENMASK(5,13);
@@ -447,14 +449,14 @@ int amd64_get_dram_hole_info(struct mem_ctl_info *mci, u64 *hole_base,
struct amd64_pvt *pvt = mci->pvt_info;
/* only revE and later have the DRAM Hole Address Register */
- if (boot_cpu_data.x86 == 0xf && pvt->ext_model < K8_REV_E) {
+ if (pvt->fam == 0xf && pvt->ext_model < K8_REV_E) {
edac_dbg(1, " revision %d for node %d does not support DHAR\n",
pvt->ext_model, pvt->mc_node_id);
return 1;
}
/* valid for Fam10h and above */
- if (boot_cpu_data.x86 >= 0x10 && !dhar_mem_hoist_valid(pvt)) {
+ if (pvt->fam >= 0x10 && !dhar_mem_hoist_valid(pvt)) {
edac_dbg(1, " Dram Memory Hoisting is DISABLED on this system\n");
return 1;
}
@@ -486,10 +488,8 @@ int amd64_get_dram_hole_info(struct mem_ctl_info *mci, u64 *hole_base,
*hole_base = dhar_base(pvt);
*hole_size = (1ULL << 32) - *hole_base;
- if (boot_cpu_data.x86 > 0xf)
- *hole_offset = f10_dhar_offset(pvt);
- else
- *hole_offset = k8_dhar_offset(pvt);
+ *hole_offset = (pvt->fam > 0xf) ? f10_dhar_offset(pvt)
+ : k8_dhar_offset(pvt);
edac_dbg(1, " DHAR info for node %d base 0x%lx offset 0x%lx size 0x%lx\n",
pvt->mc_node_id, (unsigned long)*hole_base,
@@ -663,7 +663,7 @@ static unsigned long amd64_determine_edac_cap(struct amd64_pvt *pvt)
u8 bit;
unsigned long edac_cap = EDAC_FLAG_NONE;
- bit = (boot_cpu_data.x86 > 0xf || pvt->ext_model >= K8_REV_F)
+ bit = (pvt->fam > 0xf || pvt->ext_model >= K8_REV_F)
? 19
: 17;
@@ -675,7 +675,7 @@ static unsigned long amd64_determine_edac_cap(struct amd64_pvt *pvt)
static void amd64_debug_display_dimm_sizes(struct amd64_pvt *, u8);
-static void amd64_dump_dramcfg_low(u32 dclr, int chan)
+static void amd64_dump_dramcfg_low(struct amd64_pvt *pvt, u32 dclr, int chan)
{
edac_dbg(1, "F2x%d90 (DRAM Cfg Low): 0x%08x\n", chan, dclr);
@@ -686,7 +686,7 @@ static void amd64_dump_dramcfg_low(u32 dclr, int chan)
edac_dbg(1, " PAR/ERR parity: %s\n",
(dclr & BIT(8)) ? "enabled" : "disabled");
- if (boot_cpu_data.x86 == 0x10)
+ if (pvt->fam == 0x10)
edac_dbg(1, " DCT 128bit mode width: %s\n",
(dclr & BIT(11)) ? "128b" : "64b");
@@ -709,21 +709,21 @@ static void dump_misc_regs(struct amd64_pvt *pvt)
(pvt->nbcap & NBCAP_SECDED) ? "yes" : "no",
(pvt->nbcap & NBCAP_CHIPKILL) ? "yes" : "no");
- amd64_dump_dramcfg_low(pvt->dclr0, 0);
+ amd64_dump_dramcfg_low(pvt, pvt->dclr0, 0);
edac_dbg(1, "F3xB0 (Online Spare): 0x%08x\n", pvt->online_spare);
edac_dbg(1, "F1xF0 (DRAM Hole Address): 0x%08x, base: 0x%08x, offset: 0x%08x\n",
pvt->dhar, dhar_base(pvt),
- (boot_cpu_data.x86 == 0xf) ? k8_dhar_offset(pvt)
- : f10_dhar_offset(pvt));
+ (pvt->fam == 0xf) ? k8_dhar_offset(pvt)
+ : f10_dhar_offset(pvt));
edac_dbg(1, " DramHoleValid: %s\n", dhar_valid(pvt) ? "yes" : "no");
amd64_debug_display_dimm_sizes(pvt, 0);
/* everything below this point is Fam10h and above */
- if (boot_cpu_data.x86 == 0xf)
+ if (pvt->fam == 0xf)
return;
amd64_debug_display_dimm_sizes(pvt, 1);
@@ -732,17 +732,20 @@ static void dump_misc_regs(struct amd64_pvt *pvt)
/* Only if NOT ganged does dclr1 have valid info */
if (!dct_ganging_enabled(pvt))
- amd64_dump_dramcfg_low(pvt->dclr1, 1);
+ amd64_dump_dramcfg_low(pvt, pvt->dclr1, 1);
}
/*
- * see BKDG, F2x[1,0][5C:40], F2[1,0][6C:60]
+ * See BKDG, F2x[1,0][5C:40], F2[1,0][6C:60]
*/
static void prep_chip_selects(struct amd64_pvt *pvt)
{
- if (boot_cpu_data.x86 == 0xf && pvt->ext_model < K8_REV_F) {
+ if (pvt->fam == 0xf && pvt->ext_model < K8_REV_F) {
pvt->csels[0].b_cnt = pvt->csels[1].b_cnt = 8;
pvt->csels[0].m_cnt = pvt->csels[1].m_cnt = 8;
+ } else if (pvt->fam == 0x15 && pvt->model >= 0x30) {
+ pvt->csels[0].b_cnt = pvt->csels[1].b_cnt = 4;
+ pvt->csels[0].m_cnt = pvt->csels[1].m_cnt = 2;
} else {
pvt->csels[0].b_cnt = pvt->csels[1].b_cnt = 8;
pvt->csels[0].m_cnt = pvt->csels[1].m_cnt = 4;
@@ -768,7 +771,7 @@ static void read_dct_base_mask(struct amd64_pvt *pvt)
edac_dbg(0, " DCSB0[%d]=0x%08x reg: F2x%x\n",
cs, *base0, reg0);
- if (boot_cpu_data.x86 == 0xf || dct_ganging_enabled(pvt))
+ if (pvt->fam == 0xf || dct_ganging_enabled(pvt))
continue;
if (!amd64_read_dct_pci_cfg(pvt, reg1, base1))
@@ -786,7 +789,7 @@ static void read_dct_base_mask(struct amd64_pvt *pvt)
edac_dbg(0, " DCSM0[%d]=0x%08x reg: F2x%x\n",
cs, *mask0, reg0);
- if (boot_cpu_data.x86 == 0xf || dct_ganging_enabled(pvt))
+ if (pvt->fam == 0xf || dct_ganging_enabled(pvt))
continue;
if (!amd64_read_dct_pci_cfg(pvt, reg1, mask1))
@@ -800,9 +803,9 @@ static enum mem_type amd64_determine_memory_type(struct amd64_pvt *pvt, int cs)
enum mem_type type;
/* F15h supports only DDR3 */
- if (boot_cpu_data.x86 >= 0x15)
+ if (pvt->fam >= 0x15)
type = (pvt->dclr0 & BIT(16)) ? MEM_DDR3 : MEM_RDDR3;
- else if (boot_cpu_data.x86 == 0x10 || pvt->ext_model >= K8_REV_F) {
+ else if (pvt->fam == 0x10 || pvt->ext_model >= K8_REV_F) {
if (pvt->dchr0 & DDR3_MODE)
type = (pvt->dclr0 & BIT(16)) ? MEM_DDR3 : MEM_RDDR3;
else
@@ -835,14 +838,13 @@ static int k8_early_channel_count(struct amd64_pvt *pvt)
}
/* On F10h and later ErrAddr is MC4_ADDR[47:1] */
-static u64 get_error_address(struct mce *m)
+static u64 get_error_address(struct amd64_pvt *pvt, struct mce *m)
{
- struct cpuinfo_x86 *c = &boot_cpu_data;
u64 addr;
u8 start_bit = 1;
u8 end_bit = 47;
- if (c->x86 == 0xf) {
+ if (pvt->fam == 0xf) {
start_bit = 3;
end_bit = 39;
}
@@ -852,7 +854,7 @@ static u64 get_error_address(struct mce *m)
/*
* Erratum 637 workaround
*/
- if (c->x86 == 0x15) {
+ if (pvt->fam == 0x15) {
struct amd64_pvt *pvt;
u64 cc6_base, tmp_addr;
u32 tmp;
@@ -916,15 +918,15 @@ static struct pci_dev *pci_get_related_function(unsigned int vendor,
static void read_dram_base_limit_regs(struct amd64_pvt *pvt, unsigned range)
{
struct amd_northbridge *nb;
- struct pci_dev *misc, *f1 = NULL;
- struct cpuinfo_x86 *c = &boot_cpu_data;
+ struct pci_dev *f1 = NULL;
+ unsigned int pci_func;
int off = range << 3;
u32 llim;
amd64_read_pci_cfg(pvt->F1, DRAM_BASE_LO + off, &pvt->ranges[range].base.lo);
amd64_read_pci_cfg(pvt->F1, DRAM_LIMIT_LO + off, &pvt->ranges[range].lim.lo);
- if (c->x86 == 0xf)
+ if (pvt->fam == 0xf)
return;
if (!dram_rw(pvt, range))
@@ -934,15 +936,17 @@ static void read_dram_base_limit_regs(struct amd64_pvt *pvt, unsigned range)
amd64_read_pci_cfg(pvt->F1, DRAM_LIMIT_HI + off, &pvt->ranges[range].lim.hi);
/* F15h: factor in CC6 save area by reading dst node's limit reg */
- if (c->x86 != 0x15)
+ if (pvt->fam != 0x15)
return;
nb = node_to_amd_nb(dram_dst_node(pvt, range));
if (WARN_ON(!nb))
return;
- misc = nb->misc;
- f1 = pci_get_related_function(misc->vendor, PCI_DEVICE_ID_AMD_15H_NB_F1, misc);
+ pci_func = (pvt->model == 0x30) ? PCI_DEVICE_ID_AMD_15H_M30H_NB_F1
+ : PCI_DEVICE_ID_AMD_15H_NB_F1;
+
+ f1 = pci_get_related_function(nb->misc->vendor, pci_func, nb->misc);
if (WARN_ON(!f1))
return;
@@ -1089,7 +1093,7 @@ static int f1x_early_channel_count(struct amd64_pvt *pvt)
int i, j, channels = 0;
/* On F10h, if we are in 128 bit mode, then we are using 2 channels */
- if (boot_cpu_data.x86 == 0x10 && (pvt->dclr0 & WIDTH_128))
+ if (pvt->fam == 0x10 && (pvt->dclr0 & WIDTH_128))
return 2;
/*
@@ -1173,7 +1177,7 @@ static int f15_dbam_to_chip_select(struct amd64_pvt *pvt, u8 dct,
}
/*
- * F16h has only limited cs_modes
+ * F16h and F15h model 30h have only limited cs_modes.
*/
static int f16_dbam_to_chip_select(struct amd64_pvt *pvt, u8 dct,
unsigned cs_mode)
@@ -1190,7 +1194,7 @@ static int f16_dbam_to_chip_select(struct amd64_pvt *pvt, u8 dct,
static void read_dram_ctl_register(struct amd64_pvt *pvt)
{
- if (boot_cpu_data.x86 == 0xf)
+ if (pvt->fam == 0xf)
return;
if (!amd64_read_dct_pci_cfg(pvt, DCT_SEL_LO, &pvt->dct_sel_lo)) {
@@ -1218,6 +1222,29 @@ static void read_dram_ctl_register(struct amd64_pvt *pvt)
}
/*
+ * Determine channel (DCT) based on the interleaving mode (see F15h M30h BKDG,
+ * 2.10.12 Memory Interleaving Modes).
+ */
+static u8 f15_m30h_determine_channel(struct amd64_pvt *pvt, u64 sys_addr,
+ u8 intlv_en, int num_dcts_intlv,
+ u32 dct_sel)
+{
+ u8 channel = 0;
+ u8 select;
+
+ if (!(intlv_en))
+ return (u8)(dct_sel);
+
+ if (num_dcts_intlv == 2) {
+ select = (sys_addr >> 8) & 0x3;
+ channel = select ? 0x3 : 0;
+ } else if (num_dcts_intlv == 4)
+ channel = (sys_addr >> 8) & 0x7;
+
+ return channel;
+}
+
+/*
* Determine channel (DCT) based on the interleaving mode: F10h BKDG, 2.8.9 Memory
* Interleaving Modes.
*/
@@ -1366,6 +1393,10 @@ static int f1x_lookup_addr_in_dct(u64 in_addr, u8 nid, u8 dct)
(in_addr & cs_mask), (cs_base & cs_mask));
if ((in_addr & cs_mask) == (cs_base & cs_mask)) {
+ if (pvt->fam == 0x15 && pvt->model >= 0x30) {
+ cs_found = csrow;
+ break;
+ }
cs_found = f10_process_possible_spare(pvt, dct, csrow);
edac_dbg(1, " MATCH csrow=%d\n", cs_found);
@@ -1384,11 +1415,9 @@ static u64 f1x_swap_interleaved_region(struct amd64_pvt *pvt, u64 sys_addr)
{
u32 swap_reg, swap_base, swap_limit, rgn_size, tmp_addr;
- if (boot_cpu_data.x86 == 0x10) {
+ if (pvt->fam == 0x10) {
/* only revC3 and revE have that feature */
- if (boot_cpu_data.x86_model < 4 ||
- (boot_cpu_data.x86_model < 0xa &&
- boot_cpu_data.x86_mask < 3))
+ if (pvt->model < 4 || (pvt->model < 0xa && pvt->stepping < 3))
return sys_addr;
}
@@ -1492,20 +1521,142 @@ static int f1x_match_to_this_node(struct amd64_pvt *pvt, unsigned range,
return cs_found;
}
-static int f1x_translate_sysaddr_to_cs(struct amd64_pvt *pvt, u64 sys_addr,
- int *chan_sel)
+static int f15_m30h_match_to_this_node(struct amd64_pvt *pvt, unsigned range,
+ u64 sys_addr, int *chan_sel)
+{
+ int cs_found = -EINVAL;
+ int num_dcts_intlv = 0;
+ u64 chan_addr, chan_offset;
+ u64 dct_base, dct_limit;
+ u32 dct_cont_base_reg, dct_cont_limit_reg, tmp;
+ u8 channel, alias_channel, leg_mmio_hole, dct_sel, dct_offset_en;
+
+ u64 dhar_offset = f10_dhar_offset(pvt);
+ u8 intlv_addr = dct_sel_interleave_addr(pvt);
+ u8 node_id = dram_dst_node(pvt, range);
+ u8 intlv_en = dram_intlv_en(pvt, range);
+
+ amd64_read_pci_cfg(pvt->F1, DRAM_CONT_BASE, &dct_cont_base_reg);
+ amd64_read_pci_cfg(pvt->F1, DRAM_CONT_LIMIT, &dct_cont_limit_reg);
+
+ dct_offset_en = (u8) ((dct_cont_base_reg >> 3) & BIT(0));
+ dct_sel = (u8) ((dct_cont_base_reg >> 4) & 0x7);
+
+ edac_dbg(1, "(range %d) SystemAddr= 0x%llx Limit=0x%llx\n",
+ range, sys_addr, get_dram_limit(pvt, range));
+
+ if (!(get_dram_base(pvt, range) <= sys_addr) &&
+ !(get_dram_limit(pvt, range) >= sys_addr))
+ return -EINVAL;
+
+ if (dhar_valid(pvt) &&
+ dhar_base(pvt) <= sys_addr &&
+ sys_addr < BIT_64(32)) {
+ amd64_warn("Huh? Address is in the MMIO hole: 0x%016llx\n",
+ sys_addr);
+ return -EINVAL;
+ }
+
+ /* Verify sys_addr is within DCT Range. */
+ dct_base = (dct_sel_baseaddr(pvt) << 27);
+ dct_limit = (((dct_cont_limit_reg >> 11) & 0x1FFF) << 27) | 0x7FFFFFF;
+
+ if (!(dct_cont_base_reg & BIT(0)) &&
+ !(dct_base <= sys_addr && dct_limit >= sys_addr))
+ return -EINVAL;
+
+ /* Verify number of dct's that participate in channel interleaving. */
+ num_dcts_intlv = (int) hweight8(intlv_en);
+
+ if (!(num_dcts_intlv % 2 == 0) || (num_dcts_intlv > 4))
+ return -EINVAL;
+
+ channel = f15_m30h_determine_channel(pvt, sys_addr, intlv_en,
+ num_dcts_intlv, dct_sel);
+
+ /* Verify we stay within the MAX number of channels allowed */
+ if (channel > 4 || channel < 0)
+ return -EINVAL;
+
+ leg_mmio_hole = (u8) (dct_cont_base_reg >> 1 & BIT(0));
+
+ /* Get normalized DCT addr */
+ if (leg_mmio_hole && (sys_addr >= BIT_64(32)))
+ chan_offset = dhar_offset;
+ else
+ chan_offset = dct_base;
+
+ chan_addr = sys_addr - chan_offset;
+
+ /* remove channel interleave */
+ if (num_dcts_intlv == 2) {
+ if (intlv_addr == 0x4)
+ chan_addr = ((chan_addr >> 9) << 8) |
+ (chan_addr & 0xff);
+ else if (intlv_addr == 0x5)
+ chan_addr = ((chan_addr >> 10) << 9) |
+ (chan_addr & 0x1ff);
+ else
+ return -EINVAL;
+
+ } else if (num_dcts_intlv == 4) {
+ if (intlv_addr == 0x4)
+ chan_addr = ((chan_addr >> 10) << 8) |
+ (chan_addr & 0xff);
+ else if (intlv_addr == 0x5)
+ chan_addr = ((chan_addr >> 11) << 9) |
+ (chan_addr & 0x1ff);
+ else
+ return -EINVAL;
+ }
+
+ if (dct_offset_en) {
+ amd64_read_pci_cfg(pvt->F1,
+ DRAM_CONT_HIGH_OFF + (int) channel * 4,
+ &tmp);
+ chan_addr += ((tmp >> 11) & 0xfff) << 27;
+ }
+
+ f15h_select_dct(pvt, channel);
+
+ edac_dbg(1, " Normalized DCT addr: 0x%llx\n", chan_addr);
+
+ /*
+ * Find Chip select:
+ * if channel = 3, then alias it to 1. This is because, in F15 M30h,
+ * there is support for 4 DCT's, but only 2 are currently functional.
+ * They are DCT0 and DCT3. But we have read all registers of DCT3 into
+ * pvt->csels[1]. So we need to use '1' here to get correct info.
+ * Refer F15 M30h BKDG Section 2.10 and 2.10.3 for clarifications.
+ */
+ alias_channel = (channel == 3) ? 1 : channel;
+
+ cs_found = f1x_lookup_addr_in_dct(chan_addr, node_id, alias_channel);
+
+ if (cs_found >= 0)
+ *chan_sel = alias_channel;
+
+ return cs_found;
+}
+
+static int f1x_translate_sysaddr_to_cs(struct amd64_pvt *pvt,
+ u64 sys_addr,
+ int *chan_sel)
{
int cs_found = -EINVAL;
unsigned range;
for (range = 0; range < DRAM_RANGES; range++) {
-
if (!dram_rw(pvt, range))
continue;
- if ((get_dram_base(pvt, range) <= sys_addr) &&
- (get_dram_limit(pvt, range) >= sys_addr)) {
+ if (pvt->fam == 0x15 && pvt->model >= 0x30)
+ cs_found = f15_m30h_match_to_this_node(pvt, range,
+ sys_addr,
+ chan_sel);
+ else if ((get_dram_base(pvt, range) <= sys_addr) &&
+ (get_dram_limit(pvt, range) >= sys_addr)) {
cs_found = f1x_match_to_this_node(pvt, range,
sys_addr, chan_sel);
if (cs_found >= 0)
@@ -1554,7 +1705,7 @@ static void amd64_debug_display_dimm_sizes(struct amd64_pvt *pvt, u8 ctrl)
u32 *dcsb = ctrl ? pvt->csels[1].csbases : pvt->csels[0].csbases;
u32 dbam = ctrl ? pvt->dbam1 : pvt->dbam0;
- if (boot_cpu_data.x86 == 0xf) {
+ if (pvt->fam == 0xf) {
/* K8 families < revF not supported yet */
if (pvt->ext_model < K8_REV_F)
return;
@@ -1624,6 +1775,17 @@ static struct amd64_family_type amd64_family_types[] = {
.read_dct_pci_cfg = f15_read_dct_pci_cfg,
}
},
+ [F15_M30H_CPUS] = {
+ .ctl_name = "F15h_M30h",
+ .f1_id = PCI_DEVICE_ID_AMD_15H_M30H_NB_F1,
+ .f3_id = PCI_DEVICE_ID_AMD_15H_M30H_NB_F3,
+ .ops = {
+ .early_channel_count = f1x_early_channel_count,
+ .map_sysaddr_to_csrow = f1x_map_sysaddr_to_csrow,
+ .dbam_to_cs = f16_dbam_to_chip_select,
+ .read_dct_pci_cfg = f15_read_dct_pci_cfg,
+ }
+ },
[F16_CPUS] = {
.ctl_name = "F16h",
.f1_id = PCI_DEVICE_ID_AMD_16H_NB_F1,
@@ -1860,7 +2022,7 @@ static inline void __amd64_decode_bus_error(struct mem_ctl_info *mci,
memset(&err, 0, sizeof(err));
- sys_addr = get_error_address(m);
+ sys_addr = get_error_address(pvt, m);
if (ecc_type == 2)
err.syndrome = extract_syndrome(m->status);
@@ -1921,10 +2083,9 @@ static void free_mc_sibling_devs(struct amd64_pvt *pvt)
*/
static void read_mc_regs(struct amd64_pvt *pvt)
{
- struct cpuinfo_x86 *c = &boot_cpu_data;
+ unsigned range;
u64 msr_val;
u32 tmp;
- unsigned range;
/*
* Retrieve TOP_MEM and TOP_MEM2; no masking off of reserved bits since
@@ -1985,14 +2146,14 @@ static void read_mc_regs(struct amd64_pvt *pvt)
pvt->ecc_sym_sz = 4;
- if (c->x86 >= 0x10) {
+ if (pvt->fam >= 0x10) {
amd64_read_pci_cfg(pvt->F3, EXT_NB_MCA_CFG, &tmp);
- if (c->x86 != 0x16)
+ if (pvt->fam != 0x16)
/* F16h has only DCT0 */
amd64_read_dct_pci_cfg(pvt, DBAM1, &pvt->dbam1);
/* F10h, revD and later can do x8 ECC too */
- if ((c->x86 > 0x10 || c->x86_model > 7) && tmp & BIT(25))
+ if ((pvt->fam > 0x10 || pvt->model > 7) && tmp & BIT(25))
pvt->ecc_sym_sz = 8;
}
dump_misc_regs(pvt);
@@ -2086,7 +2247,7 @@ static int init_csrows(struct mem_ctl_info *mci)
bool row_dct0 = !!csrow_enabled(i, 0, pvt);
bool row_dct1 = false;
- if (boot_cpu_data.x86 != 0xf)
+ if (pvt->fam != 0xf)
row_dct1 = !!csrow_enabled(i, 1, pvt);
if (!row_dct0 && !row_dct1)
@@ -2104,7 +2265,7 @@ static int init_csrows(struct mem_ctl_info *mci)
}
/* K8 has only one DCT */
- if (boot_cpu_data.x86 != 0xf && row_dct1) {
+ if (pvt->fam != 0xf && row_dct1) {
int row_dct1_pages = amd64_csrow_nr_pages(pvt, 1, i);
csrow->channels[1]->dimm->nr_pages = row_dct1_pages;
@@ -2333,13 +2494,14 @@ static bool ecc_enabled(struct pci_dev *F3, u16 nid)
static int set_mc_sysfs_attrs(struct mem_ctl_info *mci)
{
+ struct amd64_pvt *pvt = mci->pvt_info;
int rc;
rc = amd64_create_sysfs_dbg_files(mci);
if (rc < 0)
return rc;
- if (boot_cpu_data.x86 >= 0x10) {
+ if (pvt->fam >= 0x10) {
rc = amd64_create_sysfs_inject_files(mci);
if (rc < 0)
return rc;
@@ -2350,9 +2512,11 @@ static int set_mc_sysfs_attrs(struct mem_ctl_info *mci)
static void del_mc_sysfs_attrs(struct mem_ctl_info *mci)
{
+ struct amd64_pvt *pvt = mci->pvt_info;
+
amd64_remove_sysfs_dbg_files(mci);
- if (boot_cpu_data.x86 >= 0x10)
+ if (pvt->fam >= 0x10)
amd64_remove_sysfs_inject_files(mci);
}
@@ -2387,10 +2551,14 @@ static void setup_mci_misc_attrs(struct mem_ctl_info *mci,
*/
static struct amd64_family_type *amd64_per_family_init(struct amd64_pvt *pvt)
{
- u8 fam = boot_cpu_data.x86;
struct amd64_family_type *fam_type = NULL;
- switch (fam) {
+ pvt->ext_model = boot_cpu_data.x86_model >> 4;
+ pvt->stepping = boot_cpu_data.x86_mask;
+ pvt->model = boot_cpu_data.x86_model;
+ pvt->fam = boot_cpu_data.x86;
+
+ switch (pvt->fam) {
case 0xf:
fam_type = &amd64_family_types[K8_CPUS];
pvt->ops = &amd64_family_types[K8_CPUS].ops;
@@ -2402,6 +2570,12 @@ static struct amd64_family_type *amd64_per_family_init(struct amd64_pvt *pvt)
break;
case 0x15:
+ if (pvt->model == 0x30) {
+ fam_type = &amd64_family_types[F15_M30H_CPUS];
+ pvt->ops = &amd64_family_types[F15_M30H_CPUS].ops;
+ break;
+ }
+
fam_type = &amd64_family_types[F15_CPUS];
pvt->ops = &amd64_family_types[F15_CPUS].ops;
break;
@@ -2416,10 +2590,8 @@ static struct amd64_family_type *amd64_per_family_init(struct amd64_pvt *pvt)
return NULL;
}
- pvt->ext_model = boot_cpu_data.x86_model >> 4;
-
amd64_info("%s %sdetected (node %d).\n", fam_type->ctl_name,
- (fam == 0xf ?
+ (pvt->fam == 0xf ?
(pvt->ext_model >= K8_REV_F ? "revF or later "
: "revE or earlier ")
: ""), pvt->mc_node_id);
@@ -2586,6 +2758,8 @@ static void amd64_remove_one_instance(struct pci_dev *pdev)
struct ecc_settings *s = ecc_stngs[nid];
mci = find_mci_by_dev(&pdev->dev);
+ WARN_ON(!mci);
+
del_mc_sysfs_attrs(mci);
/* Remove from EDAC CORE tracking list */
mci = edac_mc_del_mc(&pdev->dev);
@@ -2645,6 +2819,14 @@ static DEFINE_PCI_DEVICE_TABLE(amd64_pci_table) = {
},
{
.vendor = PCI_VENDOR_ID_AMD,
+ .device = PCI_DEVICE_ID_AMD_15H_M30H_NB_F2,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .class = 0,
+ .class_mask = 0,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_AMD,
.device = PCI_DEVICE_ID_AMD_16H_NB_F2,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h
index 2c6f113bae2..d2443cfa069 100644
--- a/drivers/edac/amd64_edac.h
+++ b/drivers/edac/amd64_edac.h
@@ -170,6 +170,8 @@
/*
* PCI-defined configuration space registers
*/
+#define PCI_DEVICE_ID_AMD_15H_M30H_NB_F1 0x141b
+#define PCI_DEVICE_ID_AMD_15H_M30H_NB_F2 0x141c
#define PCI_DEVICE_ID_AMD_15H_NB_F1 0x1601
#define PCI_DEVICE_ID_AMD_15H_NB_F2 0x1602
#define PCI_DEVICE_ID_AMD_16H_NB_F1 0x1531
@@ -181,13 +183,22 @@
#define DRAM_BASE_LO 0x40
#define DRAM_LIMIT_LO 0x44
-#define dram_intlv_en(pvt, i) ((u8)((pvt->ranges[i].base.lo >> 8) & 0x7))
+/*
+ * F15 M30h D18F1x2[1C:00]
+ */
+#define DRAM_CONT_BASE 0x200
+#define DRAM_CONT_LIMIT 0x204
+
+/*
+ * F15 M30h D18F1x2[4C:40]
+ */
+#define DRAM_CONT_HIGH_OFF 0x240
+
#define dram_rw(pvt, i) ((u8)(pvt->ranges[i].base.lo & 0x3))
#define dram_intlv_sel(pvt, i) ((u8)((pvt->ranges[i].lim.lo >> 8) & 0x7))
#define dram_dst_node(pvt, i) ((u8)(pvt->ranges[i].lim.lo & 0x7))
#define DHAR 0xf0
-#define dhar_valid(pvt) ((pvt)->dhar & BIT(0))
#define dhar_mem_hoist_valid(pvt) ((pvt)->dhar & BIT(1))
#define dhar_base(pvt) ((pvt)->dhar & 0xff000000)
#define k8_dhar_offset(pvt) (((pvt)->dhar & 0x0000ff00) << 16)
@@ -234,8 +245,6 @@
#define DDR3_MODE BIT(8)
#define DCT_SEL_LO 0x110
-#define dct_sel_baseaddr(pvt) ((pvt)->dct_sel_lo & 0xFFFFF800)
-#define dct_sel_interleave_addr(pvt) (((pvt)->dct_sel_lo >> 6) & 0x3)
#define dct_high_range_enabled(pvt) ((pvt)->dct_sel_lo & BIT(0))
#define dct_interleave_enabled(pvt) ((pvt)->dct_sel_lo & BIT(2))
@@ -297,6 +306,7 @@ enum amd_families {
K8_CPUS = 0,
F10_CPUS,
F15_CPUS,
+ F15_M30H_CPUS,
F16_CPUS,
NUM_FAMILIES,
};
@@ -337,6 +347,10 @@ struct amd64_pvt {
struct pci_dev *F1, *F2, *F3;
u16 mc_node_id; /* MC index of this MC node */
+ u8 fam; /* CPU family */
+ u8 model; /* ... model */
+ u8 stepping; /* ... stepping */
+
int ext_model; /* extended model value of this node */
int channel_count;
@@ -414,6 +428,14 @@ static inline u16 extract_syndrome(u64 status)
return ((status >> 47) & 0xff) | ((status >> 16) & 0xff00);
}
+static inline u8 dct_sel_interleave_addr(struct amd64_pvt *pvt)
+{
+ if (pvt->fam == 0x15 && pvt->model >= 0x30)
+ return (((pvt->dct_sel_hi >> 9) & 0x1) << 2) |
+ ((pvt->dct_sel_lo >> 6) & 0x3);
+
+ return ((pvt)->dct_sel_lo >> 6) & 0x3;
+}
/*
* per-node ECC settings descriptor
*/
@@ -504,3 +526,33 @@ static inline void enable_caches(void *dummy)
{
write_cr0(read_cr0() & ~X86_CR0_CD);
}
+
+static inline u8 dram_intlv_en(struct amd64_pvt *pvt, unsigned int i)
+{
+ if (pvt->fam == 0x15 && pvt->model >= 0x30) {
+ u32 tmp;
+ amd64_read_pci_cfg(pvt->F1, DRAM_CONT_LIMIT, &tmp);
+ return (u8) tmp & 0xF;
+ }
+ return (u8) (pvt->ranges[i].base.lo >> 8) & 0x7;
+}
+
+static inline u8 dhar_valid(struct amd64_pvt *pvt)
+{
+ if (pvt->fam == 0x15 && pvt->model >= 0x30) {
+ u32 tmp;
+ amd64_read_pci_cfg(pvt->F1, DRAM_CONT_BASE, &tmp);
+ return (tmp >> 1) & BIT(0);
+ }
+ return (pvt)->dhar & BIT(0);
+}
+
+static inline u32 dct_sel_baseaddr(struct amd64_pvt *pvt)
+{
+ if (pvt->fam == 0x15 && pvt->model >= 0x30) {
+ u32 tmp;
+ amd64_read_pci_cfg(pvt->F1, DRAM_CONT_BASE, &tmp);
+ return (tmp >> 11) & 0x1FFF;
+ }
+ return (pvt)->dct_sel_lo & 0xFFFFF800;
+}
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index 27e86d93826..89e109022d7 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -48,6 +48,8 @@ static LIST_HEAD(mc_devices);
*/
static void const *edac_mc_owner;
+static struct bus_type mc_bus[EDAC_MAX_MCS];
+
unsigned edac_dimm_info_location(struct dimm_info *dimm, char *buf,
unsigned len)
{
@@ -723,6 +725,11 @@ int edac_mc_add_mc(struct mem_ctl_info *mci)
int ret = -EINVAL;
edac_dbg(0, "\n");
+ if (mci->mc_idx >= EDAC_MAX_MCS) {
+ pr_warn_once("Too many memory controllers: %d\n", mci->mc_idx);
+ return -ENODEV;
+ }
+
#ifdef CONFIG_EDAC_DEBUG
if (edac_debug_level >= 3)
edac_mc_dump_mci(mci);
@@ -762,6 +769,8 @@ int edac_mc_add_mc(struct mem_ctl_info *mci)
/* set load time so that error rate can be tracked */
mci->start_time = jiffies;
+ mci->bus = &mc_bus[mci->mc_idx];
+
if (edac_create_sysfs_mci_device(mci)) {
edac_mc_printk(mci, KERN_WARNING,
"failed to create sysfs device\n");
diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c
index e6789e919a5..9f7e0e60951 100644
--- a/drivers/edac/edac_mc_sysfs.c
+++ b/drivers/edac/edac_mc_sysfs.c
@@ -372,7 +372,7 @@ static int edac_create_csrow_object(struct mem_ctl_info *mci,
return -ENODEV;
csrow->dev.type = &csrow_attr_type;
- csrow->dev.bus = &mci->bus;
+ csrow->dev.bus = mci->bus;
device_initialize(&csrow->dev);
csrow->dev.parent = &mci->dev;
csrow->mci = mci;
@@ -607,7 +607,7 @@ static int edac_create_dimm_object(struct mem_ctl_info *mci,
dimm->mci = mci;
dimm->dev.type = &dimm_attr_type;
- dimm->dev.bus = &mci->bus;
+ dimm->dev.bus = mci->bus;
device_initialize(&dimm->dev);
dimm->dev.parent = &mci->dev;
@@ -977,11 +977,13 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci)
* The memory controller needs its own bus, in order to avoid
* namespace conflicts at /sys/bus/edac.
*/
- mci->bus.name = kasprintf(GFP_KERNEL, "mc%d", mci->mc_idx);
- if (!mci->bus.name)
+ mci->bus->name = kasprintf(GFP_KERNEL, "mc%d", mci->mc_idx);
+ if (!mci->bus->name)
return -ENOMEM;
- edac_dbg(0, "creating bus %s\n", mci->bus.name);
- err = bus_register(&mci->bus);
+
+ edac_dbg(0, "creating bus %s\n", mci->bus->name);
+
+ err = bus_register(mci->bus);
if (err < 0)
return err;
@@ -990,7 +992,7 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci)
device_initialize(&mci->dev);
mci->dev.parent = mci_pdev;
- mci->dev.bus = &mci->bus;
+ mci->dev.bus = mci->bus;
dev_set_name(&mci->dev, "mc%d", mci->mc_idx);
dev_set_drvdata(&mci->dev, mci);
pm_runtime_forbid(&mci->dev);
@@ -999,8 +1001,8 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci)
err = device_add(&mci->dev);
if (err < 0) {
edac_dbg(1, "failure: create device %s\n", dev_name(&mci->dev));
- bus_unregister(&mci->bus);
- kfree(mci->bus.name);
+ bus_unregister(mci->bus);
+ kfree(mci->bus->name);
return err;
}
@@ -1066,8 +1068,8 @@ fail:
}
fail2:
device_unregister(&mci->dev);
- bus_unregister(&mci->bus);
- kfree(mci->bus.name);
+ bus_unregister(mci->bus);
+ kfree(mci->bus->name);
return err;
}
@@ -1100,8 +1102,8 @@ void edac_unregister_sysfs(struct mem_ctl_info *mci)
{
edac_dbg(1, "Unregistering device %s\n", dev_name(&mci->dev));
device_unregister(&mci->dev);
- bus_unregister(&mci->bus);
- kfree(mci->bus.name);
+ bus_unregister(mci->bus);
+ kfree(mci->bus->name);
}
static void mc_attr_release(struct device *dev)
diff --git a/drivers/edac/i5100_edac.c b/drivers/edac/i5100_edac.c
index 1b635178cc4..157b934e8ce 100644
--- a/drivers/edac/i5100_edac.c
+++ b/drivers/edac/i5100_edac.c
@@ -974,7 +974,7 @@ static int i5100_setup_debugfs(struct mem_ctl_info *mci)
if (!i5100_debugfs)
return -ENODEV;
- priv->debugfs = debugfs_create_dir(mci->bus.name, i5100_debugfs);
+ priv->debugfs = debugfs_create_dir(mci->bus->name, i5100_debugfs);
if (!priv->debugfs)
return -ENOMEM;
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-01 18:02:05 +0000