/* Lookup table for all possible MC control instances */
struct amd64_pvt;
-static struct mem_ctl_info *mci_lookup[MAX_NUMNODES];
-static struct amd64_pvt *pvt_lookup[MAX_NUMNODES];
+static struct mem_ctl_info *mci_lookup[EDAC_MAX_NUMNODES];
+static struct amd64_pvt *pvt_lookup[EDAC_MAX_NUMNODES];
/*
* See F2x80 for K8 and F2x[1,0]80 for Fam10 and later. The table below is only
/* Map from a CSROW entry to the mask entry that operates on it */
static inline u32 amd64_map_to_dcs_mask(struct amd64_pvt *pvt, int csrow)
{
- return csrow >> (pvt->num_dcsm >> 3);
+ if (boot_cpu_data.x86 == 0xf && pvt->ext_model < OPTERON_CPU_REV_F)
+ return csrow;
+ else
+ return csrow >> 1;
}
/* return the 'base' address the i'th CS entry of the 'dct' DRAM controller */
intlv_en = pvt->dram_IntlvEn[0];
if (intlv_en == 0) {
- for (node_id = 0; ; ) {
+ for (node_id = 0; node_id < DRAM_REG_COUNT; node_id++) {
if (amd64_base_limit_match(pvt, sys_addr, node_id))
- break;
-
- if (++node_id >= DRAM_REG_COUNT)
- goto err_no_match;
+ goto found;
}
- goto found;
+ goto err_no_match;
}
- if (unlikely((intlv_en != (0x01 << 8)) &&
- (intlv_en != (0x03 << 8)) &&
- (intlv_en != (0x07 << 8)))) {
+ if (unlikely((intlv_en != 0x01) &&
+ (intlv_en != 0x03) &&
+ (intlv_en != 0x07))) {
amd64_printk(KERN_WARNING, "junk value of 0x%x extracted from "
"IntlvEn field of DRAM Base Register for node 0: "
- "This probably indicates a BIOS bug.\n", intlv_en);
+ "this probably indicates a BIOS bug.\n", intlv_en);
return NULL;
}
bits = (((u32) sys_addr) >> 12) & intlv_en;
for (node_id = 0; ; ) {
- if ((pvt->dram_limit[node_id] & intlv_en) == bits)
+ if ((pvt->dram_IntlvSel[node_id] & intlv_en) == bits)
break; /* intlv_sel field matches */
if (++node_id >= DRAM_REG_COUNT)
/* sanity test for sys_addr */
if (unlikely(!amd64_base_limit_match(pvt, sys_addr, node_id))) {
amd64_printk(KERN_WARNING,
- "%s(): sys_addr 0x%lx falls outside base/limit "
- "address range for node %d with node interleaving "
- "enabled.\n", __func__, (unsigned long)sys_addr,
- node_id);
+ "%s(): sys_addr 0x%llx falls outside base/limit "
+ "address range for node %d with node interleaving "
+ "enabled.\n",
+ __func__, sys_addr, node_id);
return NULL;
}
* base/mask register pair, test the condition shown near the start of
* section 3.5.4 (p. 84, BKDG #26094, K8, revA-E).
*/
- for (csrow = 0; csrow < CHIPSELECT_COUNT; csrow++) {
+ for (csrow = 0; csrow < pvt->cs_count; csrow++) {
/* This DRAM chip select is disabled on this node */
if ((pvt->dcsb0[csrow] & K8_DCSB_CS_ENABLE) == 0)
u64 base, mask;
pvt = mci->pvt_info;
- BUG_ON((csrow < 0) || (csrow >= CHIPSELECT_COUNT));
+ BUG_ON((csrow < 0) || (csrow >= pvt->cs_count));
base = base_from_dct_base(pvt, csrow);
mask = mask_from_dct_mask(pvt, csrow);
*/
static void amd64_set_dct_base_and_mask(struct amd64_pvt *pvt)
{
- if (pvt->ext_model >= OPTERON_CPU_REV_F) {
+
+ if (boot_cpu_data.x86 == 0xf && pvt->ext_model < OPTERON_CPU_REV_F) {
+ pvt->dcsb_base = REV_E_DCSB_BASE_BITS;
+ pvt->dcsm_mask = REV_E_DCSM_MASK_BITS;
+ pvt->dcs_mask_notused = REV_E_DCS_NOTUSED_BITS;
+ pvt->dcs_shift = REV_E_DCS_SHIFT;
+ pvt->cs_count = 8;
+ pvt->num_dcsm = 8;
+ } else {
pvt->dcsb_base = REV_F_F1Xh_DCSB_BASE_BITS;
pvt->dcsm_mask = REV_F_F1Xh_DCSM_MASK_BITS;
pvt->dcs_mask_notused = REV_F_F1Xh_DCS_NOTUSED_BITS;
pvt->dcs_shift = REV_F_F1Xh_DCS_SHIFT;
- switch (boot_cpu_data.x86) {
- case 0xf:
- pvt->num_dcsm = REV_F_DCSM_COUNT;
- break;
-
- case 0x10:
- pvt->num_dcsm = F10_DCSM_COUNT;
- break;
-
- case 0x11:
- pvt->num_dcsm = F11_DCSM_COUNT;
- break;
-
- default:
- amd64_printk(KERN_ERR, "Unsupported family!\n");
- break;
+ if (boot_cpu_data.x86 == 0x11) {
+ pvt->cs_count = 4;
+ pvt->num_dcsm = 2;
+ } else {
+ pvt->cs_count = 8;
+ pvt->num_dcsm = 4;
}
- } else {
- pvt->dcsb_base = REV_E_DCSB_BASE_BITS;
- pvt->dcsm_mask = REV_E_DCSM_MASK_BITS;
- pvt->dcs_mask_notused = REV_E_DCS_NOTUSED_BITS;
- pvt->dcs_shift = REV_E_DCS_SHIFT;
- pvt->num_dcsm = REV_E_DCSM_COUNT;
}
}
amd64_set_dct_base_and_mask(pvt);
- for (cs = 0; cs < CHIPSELECT_COUNT; cs++) {
+ for (cs = 0; cs < pvt->cs_count; cs++) {
reg = K8_DCSB0 + (cs * 4);
err = pci_read_config_dword(pvt->dram_f2_ctl, reg,
&pvt->dcsb0[cs]);
* different from the node that detected the error.
*/
src_mci = find_mc_by_sys_addr(mci, SystemAddress);
- if (src_mci) {
+ if (!src_mci) {
amd64_mc_printk(mci, KERN_ERR,
"failed to map error address 0x%lx to a node\n",
(unsigned long)SystemAddress);
pvt->dram_IntlvEn[dram] = (low_base >> 8) & 0x7;
- pvt->dram_base[dram] = (((((u64) high_base & 0x000000FF) << 32) |
- ((u64) low_base & 0xFFFF0000))) << 8;
+ pvt->dram_base[dram] = (((u64)high_base & 0x000000FF) << 40) |
+ (((u64)low_base & 0xFFFF0000) << 8);
low_offset = K8_DRAM_LIMIT_LOW + (dram << 3);
high_offset = F10_DRAM_LIMIT_HIGH + (dram << 3);
* Extract address values and form a LIMIT address. Limit is the HIGHEST
* memory location of the region, so low 24 bits need to be all ones.
*/
- low_limit |= 0x0000FFFF;
- pvt->dram_limit[dram] =
- ((((u64) high_limit << 32) + (u64) low_limit) << 8) | (0xFF);
+ pvt->dram_limit[dram] = (((u64)high_limit & 0x000000FF) << 40) |
+ (((u64) low_limit & 0xFFFF0000) << 8) |
+ 0x00FFFFFF;
}
static void f10_read_dram_ctl_register(struct amd64_pvt *pvt)
debugf1("InputAddr=0x%x channelselect=%d\n", in_addr, cs);
- for (csrow = 0; csrow < CHIPSELECT_COUNT; csrow++) {
+ for (csrow = 0; csrow < pvt->cs_count; csrow++) {
cs_base = amd64_get_dct_base(pvt, cs, csrow);
if (!(cs_base & K8_DCSB_CS_ENABLE))
{
u32 ec = ERROR_CODE(info->nbsl);
u32 xec = EXT_ERROR_CODE(info->nbsl);
- int ecc_type = info->nbsh & (0x3 << 13);
+ int ecc_type = (info->nbsh >> 13) & 0x3;
/* Bail early out if this was an 'observed' error */
if (PP(ec) == K8_NBSL_PP_OBS)
* NOTE: CPU Revision Dependent code
*
* Input:
- * @csrow_nr ChipSelect Row Number (0..CHIPSELECT_COUNT-1)
+ * @csrow_nr ChipSelect Row Number (0..pvt->cs_count-1)
* k8 private pointer to -->
* DRAM Bank Address mapping register
* node_id
(pvt->nbcfg & K8_NBCFG_ECC_ENABLE) ? "Enabled" : "Disabled"
);
- for (i = 0; i < CHIPSELECT_COUNT; i++) {
+ for (i = 0; i < pvt->cs_count; i++) {
csrow = &mci->csrows[i];
if ((pvt->dcsb0[i] & K8_DCSB_CS_ENABLE) == 0) {
wrmsr_on_cpus(cpumask, K8_MSR_MCGCTL, msrs);
}
-static void check_mcg_ctl(void *ret)
+/* get all cores on this DCT */
+static void get_cpus_on_this_dct_cpumask(cpumask_t *mask, int nid)
{
- u64 msr_val = 0;
- u8 nbe;
-
- rdmsrl(MSR_IA32_MCG_CTL, msr_val);
- nbe = msr_val & K8_MSR_MCGCTL_NBE;
-
- debugf0("core: %u, MCG_CTL: 0x%llx, NB MSR is %s\n",
- raw_smp_processor_id(), msr_val,
- (nbe ? "enabled" : "disabled"));
+ int cpu;
- if (!nbe)
- *(int *)ret = 0;
+ for_each_online_cpu(cpu)
+ if (amd_get_nb_id(cpu) == nid)
+ cpumask_set_cpu(cpu, mask);
}
/* check MCG_CTL on all the cpus on this node */
-static int mcg_ctl_enabled_on_node(const struct cpumask *mask)
+static bool amd64_nb_mce_bank_enabled_on_node(int nid)
{
- int ret = 1;
- preempt_disable();
- smp_call_function_many(mask, check_mcg_ctl, &ret, 1);
- preempt_enable();
+ cpumask_t mask;
+ struct msr *msrs;
+ int cpu, nbe, idx = 0;
+ bool ret = false;
+
+ cpumask_clear(&mask);
+
+ get_cpus_on_this_dct_cpumask(&mask, nid);
+
+ msrs = kzalloc(sizeof(struct msr) * cpumask_weight(&mask), GFP_KERNEL);
+ if (!msrs) {
+ amd64_printk(KERN_WARNING, "%s: error allocating msrs\n",
+ __func__);
+ return false;
+ }
+
+ rdmsr_on_cpus(&mask, MSR_IA32_MCG_CTL, msrs);
+ for_each_cpu(cpu, &mask) {
+ nbe = msrs[idx].l & K8_MSR_MCGCTL_NBE;
+
+ debugf0("core: %u, MCG_CTL: 0x%llx, NB MSR is %s\n",
+ cpu, msrs[idx].q,
+ (nbe ? "enabled" : "disabled"));
+
+ if (!nbe)
+ goto out;
+
+ idx++;
+ }
+ ret = true;
+
+out:
+ kfree(msrs);
return ret;
}
{
u32 value;
int err = 0;
- u8 ecc_enabled = 0, mcg_ctl_en = 0;
+ u8 ecc_enabled = 0;
+ bool nb_mce_en = false;
err = pci_read_config_dword(pvt->misc_f3_ctl, K8_NBCFG, &value);
if (err)
else
amd64_printk(KERN_INFO, "ECC is enabled by BIOS.\n");
- mcg_ctl_en = mcg_ctl_enabled_on_node(cpumask_of_node(pvt->mc_node_id));
- if (!mcg_ctl_en)
+ nb_mce_en = amd64_nb_mce_bank_enabled_on_node(pvt->mc_node_id);
+ if (!nb_mce_en)
amd64_printk(KERN_WARNING, "NB MCE bank disabled, set MSR "
"0x%08x[4] on node %d to enable.\n",
MSR_IA32_MCG_CTL, pvt->mc_node_id);
- if (!ecc_enabled || !mcg_ctl_en) {
+ if (!ecc_enabled || !nb_mce_en) {
if (!ecc_enable_override) {
amd64_printk(KERN_WARNING, "%s", ecc_warning);
return -ENODEV;
goto err_exit;
ret = -ENOMEM;
- mci = edac_mc_alloc(0, CHIPSELECT_COUNT, pvt->channel_count, node_id);
+ mci = edac_mc_alloc(0, pvt->cs_count, pvt->channel_count, node_id);
if (!mci)
goto err_exit;
opstate_init();
if (cache_k8_northbridges() < 0)
- goto err_exit;
+ return err;
err = pci_register_driver(&amd64_pci_driver);
if (err)
err_2nd_stage:
debugf0("2nd stage failed\n");
-
-err_exit:
pci_unregister_driver(&amd64_pci_driver);
return err;
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