diff options
Diffstat (limited to 'resources/libreboot/patch/kgpe-d16/0137-northbridge-amd-amdfam10-Fix-incorrect-channel-buffe.patch')
| -rw-r--r-- | resources/libreboot/patch/kgpe-d16/0137-northbridge-amd-amdfam10-Fix-incorrect-channel-buffe.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0137-northbridge-amd-amdfam10-Fix-incorrect-channel-buffe.patch b/resources/libreboot/patch/kgpe-d16/0137-northbridge-amd-amdfam10-Fix-incorrect-channel-buffe.patch new file mode 100644 index 0000000..5cdfdbb --- /dev/null +++ b/resources/libreboot/patch/kgpe-d16/0137-northbridge-amd-amdfam10-Fix-incorrect-channel-buffe.patch @@ -0,0 +1,40 @@ +From 73ac68361243375696c486a55a48bed2fdffcafc Mon Sep 17 00:00:00 2001 +From: Timothy Pearson <kb9vqf@pearsoncomputing.net> +Date: Mon, 7 Sep 2015 03:39:15 -0500 +Subject: [PATCH 137/146] northbridge/amd/amdfam10: Fix incorrect channel + buffer count configuration + +--- + src/northbridge/amd/amdfam10/northbridge.c | 13 +++++-------- + 1 file changed, 5 insertions(+), 8 deletions(-) + +diff --git a/src/northbridge/amd/amdfam10/northbridge.c b/src/northbridge/amd/amdfam10/northbridge.c +index a8d9ce6..fcb26f8 100644 +--- a/src/northbridge/amd/amdfam10/northbridge.c ++++ b/src/northbridge/amd/amdfam10/northbridge.c +@@ -186,17 +186,14 @@ static void ht_route_link(struct bus *link, scan_state mode) + * not correctly configured + */ + busses = pci_read_config32(link->dev, link->cap + 0x14); +- busses &= 0xff000000; ++ busses &= ~(0xff << 8); + busses |= parent->secondary & 0xff; +- if (mode == HT_ROUTE_CLOSE) { +- busses |= 0xfeff << 8; +- } else if (mode == HT_ROUTE_SCAN) { ++ if (mode == HT_ROUTE_CLOSE) ++ busses |= 0xff << 8; ++ else if (mode == HT_ROUTE_SCAN) + busses |= ((u32) link->secondary & 0xff) << 8; +- busses |= 0xfc << 16; +- } else if (mode == HT_ROUTE_FINAL) { ++ else if (mode == HT_ROUTE_FINAL) + busses |= ((u32) link->secondary & 0xff) << 8; +- busses |= ((u32) link->subordinate & 0xff) << 16; +- } + pci_write_config32(link->dev, link->cap + 0x14, busses); + + if (mode == HT_ROUTE_FINAL) { +-- +1.7.9.5 + |