From 676d0298a1d3853034d86053dd71d3b4065c4026 Mon Sep 17 00:00:00 2001 From: Liu Tao Date: Sun, 17 Oct 2010 21:59:43 +0000 Subject: 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 Acked-by: Uwe Hermann git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5959 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/southbridge/amd/rs690/rs690_cmn.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) (limited to 'src/southbridge/amd/rs690') diff --git a/src/southbridge/amd/rs690/rs690_cmn.c b/src/southbridge/amd/rs690/rs690_cmn.c index dc34319e94..5e06d4f9d8 100644 --- a/src/southbridge/amd/rs690/rs690_cmn.c +++ b/src/southbridge/amd/rs690/rs690_cmn.c @@ -202,15 +202,23 @@ 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); -- cgit v1.2.3