diff options
author | Chen, Gong <gong.chen@linux.intel.com> | 2013-10-18 23:29:07 +0200 |
---|---|---|
committer | Tony Luck <tony.luck@intel.com> | 2013-10-22 00:12:01 +0200 |
commit | 10ef6b0dffe404bcc54e94cb2ca1a5b18445a66b (patch) | |
tree | 6450859ffdc4494f2211442dd411b7f189cf326d /drivers/edac | |
parent | ACPI, CPER: Update cper info (diff) | |
download | linux-10ef6b0dffe404bcc54e94cb2ca1a5b18445a66b.tar.xz linux-10ef6b0dffe404bcc54e94cb2ca1a5b18445a66b.zip |
bitops: Introduce a more generic BITMASK macro
GENMASK is used to create a contiguous bitmask([hi:lo]). It is
implemented twice in current kernel. One is in EDAC driver, the other
is in SiS/XGI FB driver. Move it to a more generic place for other
usage.
Signed-off-by: Chen, Gong <gong.chen@linux.intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Borislav Petkov <bp@suse.de>
Acked-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'drivers/edac')
-rw-r--r-- | drivers/edac/amd64_edac.c | 46 | ||||
-rw-r--r-- | drivers/edac/amd64_edac.h | 8 | ||||
-rw-r--r-- | drivers/edac/sb_edac.c | 2 |
3 files changed, 25 insertions, 31 deletions
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 3c9e4e98c651..b53d0de17e15 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -339,8 +339,8 @@ static void get_cs_base_and_mask(struct amd64_pvt *pvt, int csrow, u8 dct, 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); - mask_bits = GENMASK(21, 29) | GENMASK(9, 15); + base_bits = GENMASK_ULL(31, 21) | GENMASK_ULL(15, 9); + mask_bits = GENMASK_ULL(29, 21) | GENMASK_ULL(15, 9); addr_shift = 4; /* @@ -352,16 +352,16 @@ static void get_cs_base_and_mask(struct amd64_pvt *pvt, int csrow, u8 dct, csbase = pvt->csels[dct].csbases[csrow]; csmask = pvt->csels[dct].csmasks[csrow >> 1]; - *base = (csbase & GENMASK(5, 15)) << 6; - *base |= (csbase & GENMASK(19, 30)) << 8; + *base = (csbase & GENMASK_ULL(15, 5)) << 6; + *base |= (csbase & GENMASK_ULL(30, 19)) << 8; *mask = ~0ULL; /* poke holes for the csmask */ - *mask &= ~((GENMASK(5, 15) << 6) | - (GENMASK(19, 30) << 8)); + *mask &= ~((GENMASK_ULL(15, 5) << 6) | + (GENMASK_ULL(30, 19) << 8)); - *mask |= (csmask & GENMASK(5, 15)) << 6; - *mask |= (csmask & GENMASK(19, 30)) << 8; + *mask |= (csmask & GENMASK_ULL(15, 5)) << 6; + *mask |= (csmask & GENMASK_ULL(30, 19)) << 8; return; } else { @@ -370,9 +370,11 @@ static void get_cs_base_and_mask(struct amd64_pvt *pvt, int csrow, u8 dct, addr_shift = 8; if (pvt->fam == 0x15) - base_bits = mask_bits = GENMASK(19,30) | GENMASK(5,13); + base_bits = mask_bits = + GENMASK_ULL(30,19) | GENMASK_ULL(13,5); else - base_bits = mask_bits = GENMASK(19,28) | GENMASK(5,13); + base_bits = mask_bits = + GENMASK_ULL(28,19) | GENMASK_ULL(13,5); } *base = (csbase & base_bits) << addr_shift; @@ -561,7 +563,7 @@ static u64 sys_addr_to_dram_addr(struct mem_ctl_info *mci, u64 sys_addr) * section 3.4.2 of AMD publication 24592: AMD x86-64 Architecture * Programmer's Manual Volume 1 Application Programming. */ - dram_addr = (sys_addr & GENMASK(0, 39)) - dram_base; + dram_addr = (sys_addr & GENMASK_ULL(39, 0)) - dram_base; edac_dbg(2, "using DRAM Base register to translate SysAddr 0x%lx to DramAddr 0x%lx\n", (unsigned long)sys_addr, (unsigned long)dram_addr); @@ -597,7 +599,7 @@ static u64 dram_addr_to_input_addr(struct mem_ctl_info *mci, u64 dram_addr) * concerning translating a DramAddr to an InputAddr. */ intlv_shift = num_node_interleave_bits(dram_intlv_en(pvt, 0)); - input_addr = ((dram_addr >> intlv_shift) & GENMASK(12, 35)) + + input_addr = ((dram_addr >> intlv_shift) & GENMASK_ULL(35, 12)) + (dram_addr & 0xfff); edac_dbg(2, " Intlv Shift=%d DramAddr=0x%lx maps to InputAddr=0x%lx\n", @@ -849,7 +851,7 @@ static u64 get_error_address(struct amd64_pvt *pvt, struct mce *m) end_bit = 39; } - addr = m->addr & GENMASK(start_bit, end_bit); + addr = m->addr & GENMASK_ULL(end_bit, start_bit); /* * Erratum 637 workaround @@ -861,7 +863,7 @@ static u64 get_error_address(struct amd64_pvt *pvt, struct mce *m) u16 mce_nid; u8 intlv_en; - if ((addr & GENMASK(24, 47)) >> 24 != 0x00fdf7) + if ((addr & GENMASK_ULL(47, 24)) >> 24 != 0x00fdf7) return addr; mce_nid = amd_get_nb_id(m->extcpu); @@ -871,7 +873,7 @@ static u64 get_error_address(struct amd64_pvt *pvt, struct mce *m) intlv_en = tmp >> 21 & 0x7; /* add [47:27] + 3 trailing bits */ - cc6_base = (tmp & GENMASK(0, 20)) << 3; + cc6_base = (tmp & GENMASK_ULL(20, 0)) << 3; /* reverse and add DramIntlvEn */ cc6_base |= intlv_en ^ 0x7; @@ -880,18 +882,18 @@ static u64 get_error_address(struct amd64_pvt *pvt, struct mce *m) cc6_base <<= 24; if (!intlv_en) - return cc6_base | (addr & GENMASK(0, 23)); + return cc6_base | (addr & GENMASK_ULL(23, 0)); amd64_read_pci_cfg(pvt->F1, DRAM_LOCAL_NODE_BASE, &tmp); /* faster log2 */ - tmp_addr = (addr & GENMASK(12, 23)) << __fls(intlv_en + 1); + tmp_addr = (addr & GENMASK_ULL(23, 12)) << __fls(intlv_en + 1); /* OR DramIntlvSel into bits [14:12] */ - tmp_addr |= (tmp & GENMASK(21, 23)) >> 9; + tmp_addr |= (tmp & GENMASK_ULL(23, 21)) >> 9; /* add remaining [11:0] bits from original MC4_ADDR */ - tmp_addr |= addr & GENMASK(0, 11); + tmp_addr |= addr & GENMASK_ULL(11, 0); return cc6_base | tmp_addr; } @@ -952,12 +954,12 @@ static void read_dram_base_limit_regs(struct amd64_pvt *pvt, unsigned range) amd64_read_pci_cfg(f1, DRAM_LOCAL_NODE_LIM, &llim); - pvt->ranges[range].lim.lo &= GENMASK(0, 15); + pvt->ranges[range].lim.lo &= GENMASK_ULL(15, 0); /* {[39:27],111b} */ pvt->ranges[range].lim.lo |= ((llim & 0x1fff) << 3 | 0x7) << 16; - pvt->ranges[range].lim.hi &= GENMASK(0, 7); + pvt->ranges[range].lim.hi &= GENMASK_ULL(7, 0); /* [47:40] */ pvt->ranges[range].lim.hi |= llim >> 13; @@ -1330,7 +1332,7 @@ static u64 f1x_get_norm_dct_addr(struct amd64_pvt *pvt, u8 range, chan_off = dram_base; } - return (sys_addr & GENMASK(6,47)) - (chan_off & GENMASK(23,47)); + return (sys_addr & GENMASK_ULL(47,6)) - (chan_off & GENMASK_ULL(47,23)); } /* diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h index d2443cfa0698..6dc1fcc25afb 100644 --- a/drivers/edac/amd64_edac.h +++ b/drivers/edac/amd64_edac.h @@ -160,14 +160,6 @@ #define OFF false /* - * Create a contiguous bitmask starting at bit position @lo and ending at - * position @hi. For example - * - * GENMASK(21, 39) gives us the 64bit vector 0x000000ffffe00000. - */ -#define GENMASK(lo, hi) (((1ULL << ((hi) - (lo) + 1)) - 1) << (lo)) - -/* * PCI-defined configuration space registers */ #define PCI_DEVICE_ID_AMD_15H_M30H_NB_F1 0x141b diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c index e04462b60756..88f60c5fecbc 100644 --- a/drivers/edac/sb_edac.c +++ b/drivers/edac/sb_edac.c @@ -50,7 +50,7 @@ static int probed; * Get a bit field at register value <v>, from bit <lo> to bit <hi> */ #define GET_BITFIELD(v, lo, hi) \ - (((v) & ((1ULL << ((hi) - (lo) + 1)) - 1) << (lo)) >> (lo)) + (((v) & GENMASK_ULL(hi, lo)) >> (lo)) /* * sbridge Memory Controller Registers |