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| author | Liu Tao <liutao1980@gmail.com> | 2010-10-17 21:59:43 +0000 |
|---|---|---|
| committer | Uwe Hermann <uwe@hermann-uwe.de> | 2010-10-17 21:59:43 +0000 |
| commit | 676d0298a1d3853034d86053dd71d3b4065c4026 (patch) | |
| tree | 352091b60ee711bf0318c10285bf52c77b148190 /src/southbridge/amd/rs780 | |
| parent | dfecd2740b9ecc6950bf08b8b40573158541d56a (diff) | |
| download | coreboot-676d0298a1d3853034d86053dd71d3b4065c4026.tar.xz | |
In the RS780/RS690 ProgK8TempMmioBase() function, the dst-link field is set
to zero, so for boards with RS780 not on CPU's HT chain 0, the function will
mis-configure the MMIO dst-link routing, and the following enable_pcie_bar3()
function will hang when it visits the MMIO.
The following patch fixes the problem, and is tested on a K8 board with RS780
on HT chain 1.
Signed-off-by: Liu Tao <liutao1980@gmail.com>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5959 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/southbridge/amd/rs780')
| -rw-r--r-- | src/southbridge/amd/rs780/rs780_cmn.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/southbridge/amd/rs780/rs780_cmn.c b/src/southbridge/amd/rs780/rs780_cmn.c index 83e9440ea6..8d80a06118 100644 --- a/src/southbridge/amd/rs780/rs780_cmn.c +++ b/src/southbridge/amd/rs780/rs780_cmn.c @@ -200,15 +200,23 @@ void ProgK8TempMmioBase(u8 in_out, u32 pcie_base_add, u32 mmio_base_add) { /* K8 Function1 is address map */ device_t k8_f1 = dev_find_slot(0, PCI_DEVFN(0x18, 1)); + device_t k8_f0 = dev_find_slot(0, PCI_DEVFN(0x18, 0)); if (in_out) { + u32 dword, sblk; + + /* Get SBLink value (HyperTransport I/O Hub Link ID). */ + dword = pci_read_config32(k8_f0, 0x64); + sblk = (dword >> 8) & 0x3; + + /* Fill MMIO limit/base pair. */ pci_write_config32(k8_f1, 0xbc, (((pcie_base_add + 0x10000000 - - 1) >> 8) & 0xffffff00) | 0x80); + 1) >> 8) & 0xffffff00) | 0x80 | (sblk << 4)); pci_write_config32(k8_f1, 0xb8, (pcie_base_add >> 8) | 0x3); pci_write_config32(k8_f1, 0xb4, - ((mmio_base_add + 0x10000000 - - 1) >> 8) & 0xffffff00); + (((mmio_base_add + 0x10000000 - + 1) >> 8) & 0xffffff00) | (sblk << 4)); pci_write_config32(k8_f1, 0xb0, (mmio_base_add >> 8) | 0x3); } else { pci_write_config32(k8_f1, 0xb8, 0); |