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authorEric Biederman <ebiederm@xmission.com>2003-12-08 21:48:01 +0000
committerEric Biederman <ebiederm@xmission.com>2003-12-08 21:48:01 +0000
commit17729a2ebdcd9c014b6fbc6ac7fee948fd24b1d0 (patch)
treeab557201edac7a22347cb2a9dd4ce15c2d22335f /src/northbridge
parent0cb44b5cdf6ca00e885ecd70aafac255425cda2b (diff)
- Set all of the fields in config_busses before we use it not afterwards.
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1311 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/northbridge')
-rw-r--r--src/northbridge/amd/amdk8/northbridge.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/src/northbridge/amd/amdk8/northbridge.c b/src/northbridge/amd/amdk8/northbridge.c
index c5af05c634..249e497958 100644
--- a/src/northbridge/amd/amdk8/northbridge.c
+++ b/src/northbridge/amd/amdk8/northbridge.c
@@ -5,6 +5,7 @@
#include <part/sizeram.h>
#include <device/device.h>
#include <device/pci.h>
+#include <device/pci_ids.h>
#include <device/hypertransport.h>
#include <device/chip.h>
#include <stdlib.h>
@@ -233,8 +234,12 @@ static unsigned int amdk8_scan_chains(device_t dev, unsigned int max)
((unsigned int)(dev->link[link].subordinate) << 16));
pci_write_config32(dev, dev->link[link].cap + 0x14, busses);
- config_busses &= 0x0000ffff;
- config_busses |= ((dev->link[link].secondary) << 16) |
+ config_busses &= 0x000fc88;
+ config_busses |=
+ (3 << 0) | /* rw enable, no device compare */
+ (( nodeid & 7) << 4) |
+ (( link & 3 ) << 8) |
+ ((dev->link[link].secondary) << 16) |
((dev->link[link].subordinate) << 24);
f1_write_config32(config_reg, config_busses);
@@ -256,13 +261,7 @@ static unsigned int amdk8_scan_chains(device_t dev, unsigned int max)
((unsigned int) (dev->link[link].subordinate) << 16);
pci_write_config32(dev, dev->link[link].cap + 0x14, busses);
- config_busses &= 0x000fc88;
- config_busses |=
- (3 << 0) | /* rw enable, no device compare */
- (( nodeid & 7) << 4) |
- (( link & 3 ) << 8) |
- ((dev->link[link].secondary) << 16) |
- ((dev->link[link].subordinate) << 24);
+ config_busses = (config_busses & 0x00ffffff) | (dev->link[link].subordinate << 24);
f1_write_config32(config_reg, config_busses);
#if 1
printk_debug("Hypertransport scan link done\n");
@@ -469,7 +468,7 @@ static void amdk8_set_resources(device_t dev)
unsigned int amdk8_scan_root_bus(device_t root, unsigned int max)
{
unsigned reg;
- /* Unmap all of HT chains */
+ /* Unmap all of the HT chains */
for(reg = 0xe0; reg <= 0xec; reg += 4) {
f1_write_config32(reg, 0);
}