[coreboot] New patch to review for coreboot: b21ed15 rs780: power down GPPSB SB lane pads in correct PCIe core
Jonathan A. Kollasch (jakllsch@kollasch.net)
gerrit at coreboot.org
Thu Jan 5 02:47:09 CET 2012
Jonathan A. Kollasch (jakllsch at kollasch.net) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/519
-gerrit
commit b21ed1585ff2c6889678c83e66651d83b5e277e3
Author: Jonathan A. Kollasch <jakllsch at kollasch.net>
Date: Wed Jan 4 19:43:49 2012 -0600
rs780: power down GPPSB SB lane pads in correct PCIe core
Change-Id: I059d5b155cae051f31cc2495f8a47d53e01af808
Signed-off-by: Jonathan A. Kollasch <jakllsch at kollasch.net>
---
src/southbridge/amd/rs780/pcie.c | 10 ++++++++--
1 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/src/southbridge/amd/rs780/pcie.c b/src/southbridge/amd/rs780/pcie.c
index 5e2d985..efa2e58 100644
--- a/src/southbridge/amd/rs780/pcie.c
+++ b/src/southbridge/amd/rs780/pcie.c
@@ -86,15 +86,21 @@ static void PciePowerOffGppPorts(device_t nb_dev, device_t dev, u32 port)
Config & (PCIE_DISABLE_HIDE_UNUSED_PORTS +
PCIE_GFX_COMPLIANCE))) {
}
+
/* step 3 Power Down Control for Southbridge */
+ if (port != 8)
+ return;
+
reg = nbpcie_p_read_index(dev, 0xa2);
switch ((reg >> 4) & 0x7) { /* get bit 4-6, LC_LINK_WIDTH_RD */
case 1:
- nbpcie_ind_write_index(nb_dev, 0x65, 0x0e0e);
+ set_pcie_enable_bits(nb_dev, 0x65 | PCIE_CORE_INDEX_GPPSB,
+ 0x0f0f, 0x0e0e);
break;
case 2:
- nbpcie_ind_write_index(nb_dev, 0x65, 0x0c0c);
+ set_pcie_enable_bits(nb_dev, 0x65 | PCIE_CORE_INDEX_GPPSB,
+ 0x0f0f, 0x0c0c);
break;
default:
break;
More information about the coreboot
mailing list