Patch set updated for coreboot: southbridge/amd/sb700: Add missing DMA setup step from AMD RRG

[Timothy Pearson]

Timothy Pearson ([e-mail]) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/13154

-gerrit

commit a436fa86dd56b85aceadba13dcd6f7ea269b2ac5
Author: Timothy Pearson 
Date:   Tue Nov 24 14:11:56 2015 -0600

southbridge/amd/sb700: Add missing DMA setup step from AMD RRG

Change-Id: I412a0e5f2e0686b10a295dd7c0e9b537dc1a0940
    Signed-off-by: Timothy Pearson 
---
 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 3733314..76855fb 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;