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-rw-r--r--drivers/edac/amd64_edac.c33
-rw-r--r--drivers/edac/amd64_edac.h2
2 files changed, 5 insertions, 30 deletions
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 2cc7336a5121..07a89df0d4f4 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -182,21 +182,6 @@ static inline int amd64_read_dct_pci_cfg(struct amd64_pvt *pvt, u8 dct,
* other archs, we might not have access to the caches directly.
*/
-static inline void __f17h_set_scrubval(struct amd64_pvt *pvt, u32 scrubval)
-{
- /*
- * Fam17h supports scrub values between 0x5 and 0x14. Also, the values
- * are shifted down by 0x5, so scrubval 0x5 is written to the register
- * as 0x0, scrubval 0x6 as 0x1, etc.
- */
- if (scrubval >= 0x5 && scrubval <= 0x14) {
- scrubval -= 0x5;
- pci_write_bits32(pvt->F6, F17H_SCR_LIMIT_ADDR, scrubval, 0xF);
- pci_write_bits32(pvt->F6, F17H_SCR_BASE_ADDR, 1, 0x1);
- } else {
- pci_write_bits32(pvt->F6, F17H_SCR_BASE_ADDR, 0, 0x1);
- }
-}
/*
* Scan the scrub rate mapping table for a close or matching bandwidth value to
* issue. If requested is too big, then use last maximum value found.
@@ -229,9 +214,7 @@ static int __set_scrub_rate(struct amd64_pvt *pvt, u32 new_bw, u32 min_rate)
scrubval = scrubrates[i].scrubval;
- if (pvt->umc) {
- __f17h_set_scrubval(pvt, scrubval);
- } else if (pvt->fam == 0x15 && pvt->model == 0x60) {
+ if (pvt->fam == 0x15 && pvt->model == 0x60) {
f15h_select_dct(pvt, 0);
pci_write_bits32(pvt->F2, F15H_M60H_SCRCTRL, scrubval, 0x001F);
f15h_select_dct(pvt, 1);
@@ -271,16 +254,7 @@ static int get_scrub_rate(struct mem_ctl_info *mci)
int i, retval = -EINVAL;
u32 scrubval = 0;
- if (pvt->umc) {
- amd64_read_pci_cfg(pvt->F6, F17H_SCR_BASE_ADDR, &scrubval);
- if (scrubval & BIT(0)) {
- amd64_read_pci_cfg(pvt->F6, F17H_SCR_LIMIT_ADDR, &scrubval);
- scrubval &= 0xF;
- scrubval += 0x5;
- } else {
- scrubval = 0;
- }
- } else if (pvt->fam == 0x15) {
+ if (pvt->fam == 0x15) {
/* Erratum #505 */
if (pvt->model < 0x10)
f15h_select_dct(pvt, 0);
@@ -3967,6 +3941,9 @@ static void setup_mci_misc_attrs(struct mem_ctl_info *mci)
mci->dev_name = pci_name(pvt->F3);
mci->ctl_page_to_phys = NULL;
+ if (pvt->fam >= 0x17)
+ return;
+
/* memory scrubber interface */
mci->set_sdram_scrub_rate = set_scrub_rate;
mci->get_sdram_scrub_rate = get_scrub_rate;
diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h
index 38e5ad95d010..48f1d97e1274 100644
--- a/drivers/edac/amd64_edac.h
+++ b/drivers/edac/amd64_edac.h
@@ -215,8 +215,6 @@
#define DCT_SEL_HI 0x114
#define F15H_M60H_SCRCTRL 0x1C8
-#define F17H_SCR_BASE_ADDR 0x48
-#define F17H_SCR_LIMIT_ADDR 0x4C
/*
* Function 3 - Misc Control