sb_edac: isolate TOHM retrieval
This is preparation of Ivy Bridge support. Signed-off-by: Aristeu Rozanski <arozansk@redhat.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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@ -278,6 +278,7 @@ struct sbridge_info {
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u32 mcmtr;
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u32 mcmtr;
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u32 rankcfgr;
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u32 rankcfgr;
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u64 (*get_tolm)(struct sbridge_pvt *pvt);
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u64 (*get_tolm)(struct sbridge_pvt *pvt);
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u64 (*get_tohm)(struct sbridge_pvt *pvt);
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};
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};
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struct sbridge_channel {
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struct sbridge_channel {
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@ -470,6 +471,14 @@ static u64 sbridge_get_tolm(struct sbridge_pvt *pvt)
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return GET_TOLM(reg);
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return GET_TOLM(reg);
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}
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}
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static u64 sbridge_get_tohm(struct sbridge_pvt *pvt)
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{
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u32 reg;
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pci_read_config_dword(pvt->pci_sad1, TOHM, ®);
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return GET_TOHM(reg);
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}
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/****************************************************************************
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/****************************************************************************
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Memory check routines
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Memory check routines
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****************************************************************************/
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****************************************************************************/
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@ -651,9 +660,7 @@ static void get_memory_layout(const struct mem_ctl_info *mci)
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edac_dbg(0, "TOLM: %u.%03u GB (0x%016Lx)\n", mb, kb, (u64)pvt->tolm);
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edac_dbg(0, "TOLM: %u.%03u GB (0x%016Lx)\n", mb, kb, (u64)pvt->tolm);
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/* Address range is already 45:25 */
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/* Address range is already 45:25 */
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pci_read_config_dword(pvt->pci_sad1, TOHM,
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pvt->tohm = pvt->info.get_tohm(pvt);
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®);
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pvt->tohm = GET_TOHM(reg);
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tmp_mb = (1 + pvt->tohm) >> 20;
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tmp_mb = (1 + pvt->tohm) >> 20;
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mb = div_u64_rem(tmp_mb, 1000, &kb);
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mb = div_u64_rem(tmp_mb, 1000, &kb);
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@ -1670,6 +1677,7 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev)
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mci->dev_name = pci_name(sbridge_dev->pdev[0]);
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mci->dev_name = pci_name(sbridge_dev->pdev[0]);
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mci->ctl_page_to_phys = NULL;
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mci->ctl_page_to_phys = NULL;
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pvt->info.get_tolm = sbridge_get_tolm;
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pvt->info.get_tolm = sbridge_get_tolm;
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pvt->info.get_tohm = sbridge_get_tohm;
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/* Set the function pointer to an actual operation function */
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/* Set the function pointer to an actual operation function */
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mci->edac_check = sbridge_check_error;
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mci->edac_check = sbridge_check_error;
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