diff options
Diffstat (limited to 'resources/libreboot/patch/kgpe-d16/0135-northbridge-amd-amdfam10-Fix-incorrect-channel-buffe.patch')
| -rw-r--r-- | resources/libreboot/patch/kgpe-d16/0135-northbridge-amd-amdfam10-Fix-incorrect-channel-buffe.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0135-northbridge-amd-amdfam10-Fix-incorrect-channel-buffe.patch b/resources/libreboot/patch/kgpe-d16/0135-northbridge-amd-amdfam10-Fix-incorrect-channel-buffe.patch new file mode 100644 index 00000000..5d185096 --- /dev/null +++ b/resources/libreboot/patch/kgpe-d16/0135-northbridge-amd-amdfam10-Fix-incorrect-channel-buffe.patch @@ -0,0 +1,42 @@ +From 057d4bcc43dfb1eec7fcf53b955592fa30d47fec Mon Sep 17 00:00:00 2001 +From: Timothy Pearson <tpearson@raptorengineeringinc.com> +Date: Mon, 7 Sep 2015 03:39:15 -0500 +Subject: [PATCH 135/139] northbridge/amd/amdfam10: Fix incorrect channel + buffer count configuration + +Change-Id: If70825449f298aa66f7f8b76dbd7367455a6deb1 +Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> +--- + 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 8bd664d..f039a5c 100644 +--- a/src/northbridge/amd/amdfam10/northbridge.c ++++ b/src/northbridge/amd/amdfam10/northbridge.c +@@ -188,17 +188,14 @@ 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) { +-- +1.9.1 + |