diff options
| author | Borislav Petkov <borislav.petkov@amd.com> | 2011-01-13 18:02:22 +0100 |
|---|---|---|
| committer | Borislav Petkov <borislav.petkov@amd.com> | 2011-03-17 14:46:21 +0100 |
| commit | 614ec9d8532cc6b2f6b471c399daffdfd1c32d03 (patch) | |
| tree | 3b1df3a950e605047d1fea9a6f3a7598c626cf96 /drivers/edac | |
| parent | 5d4b58e84a382309dfa4dbe19220cd1f78ffc71f (diff) | |
| download | linux-614ec9d8532cc6b2f6b471c399daffdfd1c32d03.tar.bz2 | |
amd64_edac: Revamp online spare handling
Replace per-DCT macros with smarter ones, drop hack and look for the
spare rank on all chip selects on a channel.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Diffstat (limited to 'drivers/edac')
| -rw-r--r-- | drivers/edac/amd64_edac.c | 30 | ||||
| -rw-r--r-- | drivers/edac/amd64_edac.h | 6 |
2 files changed, 15 insertions, 21 deletions
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 1cbe9cac6539..4bba43e7ee85 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -393,6 +393,9 @@ static void get_cs_base_and_mask(struct amd64_pvt *pvt, int csrow, u8 dct, #define for_each_chip_select(i, dct, pvt) \ for (i = 0; i < pvt->csels[dct].b_cnt; i++) +#define chip_select_base(i, dct, pvt) \ + pvt->csels[dct].csbases[i] + #define for_each_chip_select_mask(i, dct, pvt) \ for (i = 0; i < pvt->csels[dct].m_cnt; i++) @@ -1254,30 +1257,23 @@ static u64 f10_get_norm_dct_addr(struct amd64_pvt *pvt, int range, return (sys_addr & GENMASK(6,47)) - (chan_off & GENMASK(23,47)); } -/* Hack for the time being - Can we get this from BIOS?? */ -#define CH0SPARE_RANK 0 -#define CH1SPARE_RANK 1 - /* * checks if the csrow passed in is marked as SPARED, if so returns the new * spare row */ static int f10_process_possible_spare(struct amd64_pvt *pvt, u8 dct, int csrow) { - u32 swap_done; - u32 bad_dram_cs; + int tmp_cs; - /* Depending on channel, isolate respective SPARING info */ - if (dct) { - swap_done = F10_ONLINE_SPARE_SWAPDONE1(pvt->online_spare); - bad_dram_cs = F10_ONLINE_SPARE_BADDRAM_CS1(pvt->online_spare); - if (swap_done && (csrow == bad_dram_cs)) - csrow = CH1SPARE_RANK; - } else { - swap_done = F10_ONLINE_SPARE_SWAPDONE0(pvt->online_spare); - bad_dram_cs = F10_ONLINE_SPARE_BADDRAM_CS0(pvt->online_spare); - if (swap_done && (csrow == bad_dram_cs)) - csrow = CH0SPARE_RANK; + if (online_spare_swap_done(pvt, dct) && + csrow == online_spare_bad_dramcs(pvt, dct)) { + + for_each_chip_select(tmp_cs, dct, pvt) { + if (chip_select_base(tmp_cs, dct, pvt) & 0x2) { + csrow = tmp_cs; + break; + } + } } return csrow; } diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h index 85e3acbc087a..3c60b2f2aeb6 100644 --- a/drivers/edac/amd64_edac.h +++ b/drivers/edac/amd64_edac.h @@ -259,10 +259,8 @@ #define SCRCTRL 0x58 #define F10_ONLINE_SPARE 0xB0 -#define F10_ONLINE_SPARE_SWAPDONE0(x) ((x) & BIT(1)) -#define F10_ONLINE_SPARE_SWAPDONE1(x) ((x) & BIT(3)) -#define F10_ONLINE_SPARE_BADDRAM_CS0(x) (((x) >> 4) & 0x00000007) -#define F10_ONLINE_SPARE_BADDRAM_CS1(x) (((x) >> 8) & 0x00000007) +#define online_spare_swap_done(pvt, c) (((pvt)->online_spare >> (1 + 2 * (c))) & 0x1) +#define online_spare_bad_dramcs(pvt, c) (((pvt)->online_spare >> (4 + 4 * (c))) & 0x7) #define F10_NB_ARRAY_ADDR 0xB8 #define F10_NB_ARRAY_DRAM_ECC BIT(31) |