From: Borislav Petkov Date: Thu, 11 Nov 2010 16:29:13 +0000 (+0100) Subject: amd64_edac: Cleanup DHAR handling X-Git-Tag: firefly_0821_release~7613^2~2173^2~34 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=bc21fa578742924aa129a493657f797c13d34ad2;p=firefly-linux-kernel-4.4.55.git amd64_edac: Cleanup DHAR handling Adjust to F15h, simplify code, fixup macros. Signed-off-by: Borislav Petkov --- diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 683fd3c716a0..62b4ae9eb337 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -487,9 +487,9 @@ int amd64_get_dram_hole_info(struct mem_ctl_info *mci, u64 *hole_base, return 1; } - /* only valid for Fam10h */ - if (boot_cpu_data.x86 == 0x10 && - (pvt->dhar & F10_DRAM_MEM_HOIST_VALID) == 0) { + /* valid for Fam10h and above */ + if (boot_cpu_data.x86 >= 0x10 && + (pvt->dhar & DRAM_MEM_HOIST_VALID) == 0) { debugf1(" Dram Memory Hoisting is DISABLED on this system\n"); return 1; } @@ -518,15 +518,15 @@ int amd64_get_dram_hole_info(struct mem_ctl_info *mci, u64 *hole_base, * addresses in the hole so that they start at 0x100000000. */ - base = dhar_base(pvt->dhar); + base = dhar_base(pvt); *hole_base = base; *hole_size = (0x1ull << 32) - base; if (boot_cpu_data.x86 > 0xf) - *hole_offset = f10_dhar_offset(pvt->dhar); + *hole_offset = f10_dhar_offset(pvt); else - *hole_offset = k8_dhar_offset(pvt->dhar); + *hole_offset = k8_dhar_offset(pvt); debugf1(" DHAR info for node %d base 0x%lx offset 0x%lx size 0x%lx\n", pvt->mc_node_id, (unsigned long)*hole_base, @@ -884,10 +884,9 @@ static void dump_misc_regs(struct amd64_pvt *pvt) debugf1("F1xF0 (DRAM Hole Address): 0x%08x, base: 0x%08x, " "offset: 0x%08x\n", - pvt->dhar, - dhar_base(pvt->dhar), - (boot_cpu_data.x86 == 0xf) ? k8_dhar_offset(pvt->dhar) - : f10_dhar_offset(pvt->dhar)); + pvt->dhar, dhar_base(pvt), + (boot_cpu_data.x86 == 0xf) ? k8_dhar_offset(pvt) + : f10_dhar_offset(pvt)); debugf1(" DramHoleValid: %s\n", (pvt->dhar & DHAR_VALID) ? "yes" : "no"); @@ -1316,7 +1315,7 @@ static inline u32 f10_map_intlv_en_to_shift(u32 intlv_en) static inline u64 f10_get_base_addr_offset(u64 sys_addr, int hi_range_sel, u32 dct_sel_base_addr, u64 dct_sel_base_off, - u32 hole_valid, u32 hole_off, + u32 hole_valid, u64 hole_off, u64 dram_base) { u64 chan_off; @@ -1324,12 +1323,12 @@ static inline u64 f10_get_base_addr_offset(u64 sys_addr, int hi_range_sel, if (hi_range_sel) { if (!(dct_sel_base_addr & 0xFFFF0000) && hole_valid && (sys_addr >= 0x100000000ULL)) - chan_off = hole_off << 16; + chan_off = hole_off; else chan_off = dct_sel_base_off; } else { if (hole_valid && (sys_addr >= 0x100000000ULL)) - chan_off = hole_off << 16; + chan_off = hole_off; else chan_off = dram_base & 0xFFFFF8000000ULL; } @@ -1435,7 +1434,8 @@ static int f10_match_to_this_node(struct amd64_pvt *pvt, int range, u64 sys_addr, int *nid, int *chan_sel) { int cs_found = -EINVAL, high_range = 0; - u32 intlv_shift, hole_off; + u32 intlv_shift; + u64 hole_off; u32 hole_valid, tmp, dct_sel_base, channel; u64 chan_addr, dct_sel_base_off; @@ -1451,11 +1451,11 @@ static int f10_match_to_this_node(struct amd64_pvt *pvt, int range, * This assumes that one node's DHAR is the same as all the other * nodes' DHAR. */ - hole_off = (pvt->dhar & 0x0000FF80); - hole_valid = (pvt->dhar & 0x1); + hole_off = f10_dhar_offset(pvt); + hole_valid = (pvt->dhar & DHAR_VALID); dct_sel_base_off = (pvt->dct_sel_hi & 0xFFFFFC00) << 16; - debugf1(" HoleOffset=0x%x HoleValid=0x%x IntlvSel=0x%x\n", + debugf1(" HoleOffset=0x%016llx HoleValid=%d IntlvSel=0x%x\n", hole_off, hole_valid, intlv_sel); if (intlv_en && @@ -2051,7 +2051,7 @@ static void read_mc_regs(struct amd64_pvt *pvt) read_dct_base_mask(pvt); - amd64_read_pci_cfg(pvt->F1, K8_DHAR, &pvt->dhar); + amd64_read_pci_cfg(pvt->F1, DHAR, &pvt->dhar); amd64_read_dbam_reg(pvt); amd64_read_pci_cfg(pvt->F3, F10_ONLINE_SPARE, &pvt->online_spare); diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h index 93af3575e427..a2bc9a650fff 100644 --- a/drivers/edac/amd64_edac.h +++ b/drivers/edac/amd64_edac.h @@ -175,20 +175,19 @@ #define dram_intlv_sel(pvt, i) ((pvt->ranges[i].lim.lo >> 8) & 0x7) #define dram_dst_node(pvt, i) (pvt->ranges[i].lim.lo & 0x7) -#define K8_DHAR 0xf0 - +#define DHAR 0xf0 #define DHAR_VALID BIT(0) -#define F10_DRAM_MEM_HOIST_VALID BIT(1) +#define DRAM_MEM_HOIST_VALID BIT(1) #define DHAR_BASE_MASK 0xff000000 -#define dhar_base(dhar) (dhar & DHAR_BASE_MASK) +#define dhar_base(pvt) ((pvt)->dhar & DHAR_BASE_MASK) #define K8_DHAR_OFFSET_MASK 0x0000ff00 -#define k8_dhar_offset(dhar) ((dhar & K8_DHAR_OFFSET_MASK) << 16) +#define k8_dhar_offset(pvt) (((pvt)->dhar & K8_DHAR_OFFSET_MASK) << 16) #define F10_DHAR_OFFSET_MASK 0x0000ff80 /* NOTE: Extra mask bit vs K8 */ -#define f10_dhar_offset(dhar) ((dhar & F10_DHAR_OFFSET_MASK) << 16) +#define f10_dhar_offset(pvt) (((pvt)->dhar & F10_DHAR_OFFSET_MASK) << 16) #define DCT_CFG_SEL 0x10C