summaryrefslogtreecommitdiffstats
path: root/resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0022-southbridge-amd-sb700-Add-missing-DMA-setup-step-fro.patch
diff options
context:
space:
mode:
authorFrancis Rowe <info@gluglug.org.uk>2016-01-30 04:58:46 (EST)
committer Francis Rowe <info@gluglug.org.uk>2016-01-30 04:58:46 (EST)
commit75ab59d4e141d106970f397c31d52ba486117fc9 (patch)
tree2c5ae2e910b590b7a8f7be16b38c431c28c23608 /resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0022-southbridge-amd-sb700-Add-missing-DMA-setup-step-fro.patch
parenta1357659b2a72c349091a0abd7a0276b4fd6946d (diff)
downloadlibreboot-75ab59d4e141d106970f397c31d52ba486117fc9.zip
libreboot-75ab59d4e141d106970f397c31d52ba486117fc9.tar.gz
libreboot-75ab59d4e141d106970f397c31d52ba486117fc9.tar.bz2
New board: ASUS KCMA-D8 desktop/workstation motherboard
Diffstat (limited to 'resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0022-southbridge-amd-sb700-Add-missing-DMA-setup-step-fro.patch')
-rw-r--r--resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0022-southbridge-amd-sb700-Add-missing-DMA-setup-step-fro.patch30
1 files changed, 30 insertions, 0 deletions
diff --git a/resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0022-southbridge-amd-sb700-Add-missing-DMA-setup-step-fro.patch b/resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0022-southbridge-amd-sb700-Add-missing-DMA-setup-step-fro.patch
new file mode 100644
index 0000000..596cab9
--- /dev/null
+++ b/resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0022-southbridge-amd-sb700-Add-missing-DMA-setup-step-fro.patch
@@ -0,0 +1,30 @@
+From c104a49921424687b0aacea660582ea3c027024a Mon Sep 17 00:00:00 2001
+From: Timothy Pearson <tpearson@raptorengineeringinc.com>
+Date: Tue, 24 Nov 2015 14:11:56 -0600
+Subject: [PATCH 22/45] southbridge/amd/sb700: Add missing DMA setup step from
+ AMD RRG
+
+Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
+---
+ src/southbridge/amd/sb700/early_setup.c | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/src/southbridge/amd/sb700/early_setup.c b/src/southbridge/amd/sb700/early_setup.c
+index 06c6c77..544447e 100644
+--- a/src/southbridge/amd/sb700/early_setup.c
++++ b/src/southbridge/amd/sb700/early_setup.c
+@@ -420,6 +420,11 @@ static void sb700_devices_por_init(void)
+ /* Legacy DMA Prefetch Enhancement, CIM masked it. */
+ /* pci_write_config8(dev, 0x43, 0x1); */
+
++ /* Enable DMA verify bugfix */
++ byte = pci_read_config8(dev, 0x67);
++ byte |= 0x1 << 1;
++ pci_write_config8(dev, 0x67, byte);
++
+ /* Disabling Legacy USB Fast SMI# */
+ byte = pci_read_config8(dev, 0x62);
+ byte |= 0x24;
+--
+2.1.4
+