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-rw-r--r--src/northbridge/amd/amdfam10/northbridge.c14
-rw-r--r--src/northbridge/amd/amdk8/northbridge.c12
2 files changed, 7 insertions, 19 deletions
diff --git a/src/northbridge/amd/amdfam10/northbridge.c b/src/northbridge/amd/amdfam10/northbridge.c
index fb963f6a70..98f41f3964 100644
--- a/src/northbridge/amd/amdfam10/northbridge.c
+++ b/src/northbridge/amd/amdfam10/northbridge.c
@@ -216,20 +216,12 @@ static u32 amdfam10_scan_chain(device_t dev, u32 nodeid, struct bus *link, bool
* so we set the subordinate bus number to 0xff for the moment.
*/
- if (CONFIG_SB_HT_CHAIN_ON_BUS0 == 0) {
+ if ((CONFIG_SB_HT_CHAIN_ON_BUS0 == 0) || !is_sblink)
max++;
- } else if (is_sblink) {
- } else if (CONFIG_SB_HT_CHAIN_ON_BUS0 == 1) {
- max++;
- } else if (CONFIG_SB_HT_CHAIN_ON_BUS0 > 1) {
- // We can have 16 segmment and every segment have 256 bus,
- // For that case need the kernel support mmio pci config.
-
- /* One node can have 8 link and segn is the same. */
- max++;
+ /* One node can have 8 link and segn is the same. */
+ if ((CONFIG_SB_HT_CHAIN_ON_BUS0 > 1) && !is_sblink)
max = ALIGN_UP(max, 8);
- }
link->secondary = max;
link->subordinate = link->secondary;
diff --git a/src/northbridge/amd/amdk8/northbridge.c b/src/northbridge/amd/amdk8/northbridge.c
index e08788848a..7184c38a70 100644
--- a/src/northbridge/amd/amdk8/northbridge.c
+++ b/src/northbridge/amd/amdk8/northbridge.c
@@ -178,17 +178,13 @@ static u32 amdk8_scan_chain(device_t dev, u32 nodeid, struct bus *link, bool is_
* We have no idea how many busses are behind this bridge yet,
* so we set the subordinate bus number to 0xff for the moment.
*/
- if (CONFIG_SB_HT_CHAIN_ON_BUS0 == 0) {
- max++;
- } else if (is_sblink) {
- } else if (CONFIG_SB_HT_CHAIN_ON_BUS0 == 1) {
- max++;
- } else if (CONFIG_SB_HT_CHAIN_ON_BUS0 > 1) {
- /* Second chain will be on 0x40, third 0x80, forth 0xc0. */
+ if ((CONFIG_SB_HT_CHAIN_ON_BUS0 == 0) || !is_sblink)
max++;
+
+ /* Second chain will be on 0x40, third 0x80, forth 0xc0. */
+ if ((CONFIG_SB_HT_CHAIN_ON_BUS0 > 1) && !is_sblink)
max = ALIGN_UP(max, 0x40);
- }
link->secondary = max;
link->subordinate = link->secondary;