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| author | Borislav Petkov <borislav.petkov@amd.com> | 2011-01-13 16:01:13 +0100 |
|---|---|---|
| committer | Borislav Petkov <borislav.petkov@amd.com> | 2011-03-17 14:46:21 +0100 |
| commit | 5d4b58e84a382309dfa4dbe19220cd1f78ffc71f (patch) | |
| tree | 8d608bbe95786145a54eb42706c4b0af066a34f7 /drivers/edac/amd64_edac.c | |
| parent | amd64_edac: Correct node interleaving removal (diff) | |
| download | linux-5d4b58e84a382309dfa4dbe19220cd1f78ffc71f.tar.xz linux-5d4b58e84a382309dfa4dbe19220cd1f78ffc71f.zip | |
amd64_edac: Fix channel interleave removal
Remove the channel interleave select bit properly. See
F2x110[DctSelIntLvAddr] for details.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Diffstat (limited to 'drivers/edac/amd64_edac.c')
| -rw-r--r-- | drivers/edac/amd64_edac.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index f3f4ee909ef5..1cbe9cac6539 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -1373,7 +1373,7 @@ static int f10_match_to_this_node(struct amd64_pvt *pvt, int range, { int cs_found = -EINVAL; u64 chan_addr; - u32 tmp, dct_sel_base; + u32 dct_sel_base; u8 channel; bool high_range = false; @@ -1411,19 +1411,27 @@ static int f10_match_to_this_node(struct amd64_pvt *pvt, int range, chan_addr = ((chan_addr >> (12 + hweight8(intlv_en))) << 12) | (chan_addr & 0xfff); - /* remove channel interleave and hash */ + /* remove channel interleave */ if (dct_interleave_enabled(pvt) && !dct_high_range_enabled(pvt) && !dct_ganging_enabled(pvt)) { - if (dct_sel_interleave_addr(pvt) != 1) - chan_addr = (chan_addr >> 1) & GENMASK(6, 63); - else { - tmp = chan_addr & 0xFC0; - chan_addr = ((chan_addr & GENMASK(14, 63)) >> 1) | tmp; - } + + if (dct_sel_interleave_addr(pvt) != 1) { + if (dct_sel_interleave_addr(pvt) == 0x3) + /* hash 9 */ + chan_addr = ((chan_addr >> 10) << 9) | + (chan_addr & 0x1ff); + else + /* A[6] or hash 6 */ + chan_addr = ((chan_addr >> 7) << 6) | + (chan_addr & 0x3f); + } else + /* A[12] */ + chan_addr = ((chan_addr >> 13) << 12) | + (chan_addr & 0xfff); } - debugf1(" (ChannelAddrLong=0x%llx)\n", chan_addr); + debugf1(" Normalized DCT addr: 0x%llx\n", chan_addr); cs_found = f10_lookup_addr_in_dct(chan_addr, node_id, channel); |