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Limit the device field to 5 bits. 

The field device in PCI_ADDRESS only takes 5 bits. So if the device number is
more than 32, it will truncated to 5 bits. Before this patch, other pci devices
will be incorrectly probed as processor node.

Change-Id: I64dcd4f4fda7b7080a9905dce580feb829584b94
Signed-off-by: Zheng Bao <zheng.bao@amd.com>
Signed-off-by: zbao <fishbaozi@gmail.com>
Reviewed-on: http://review.coreboot.org/1264
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-by: Anton Kochkov <anton.kochkov@gmail.com>
This commit is contained in:
zbao 2012-07-23 19:49:40 +08:00 committed by Ronald G. Minnich
parent ef180e2a2c
commit d462736dfb
1 changed files with 2 additions and 2 deletions
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4
src/northbridge/amd/agesa/family15tn/northbridge.c
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@ -120,8 +120,8 @@ static void set_mmio_addr_reg(u32 nodeid, u32 linkn, u32 reg, u32 index, u32 mmi
static device_t get_node_pci(u32 nodeid, u32 fn)
{
#if MAX_NODE_NUMS == 64
if (nodeid < 32) {
#if MAX_NODE_NUMS + CONFIG_CDB >= 32
if ((CONFIG_CDB + nodeid) < 32) {
return dev_find_slot(CONFIG_CBB, PCI_DEVFN(CONFIG_CDB + nodeid, fn));
} else {
return dev_find_slot(CONFIG_CBB-1, PCI_DEVFN(CONFIG_CDB + nodeid - 32, fn));