diff options
| -rw-r--r-- | 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 5e2d985130..efa2e58e76 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; |