diff options
| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2015-02-22 09:22:55 +0200 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2015-06-05 10:15:05 +0200 |
| commit | 6326255caa2488d90762470bd0c83b8015c198a9 (patch) | |
| tree | 4648e8b491307c10dd5779936875f553dbc000a1 /src/northbridge/amd | |
| parent | 20968c9220b6de6a403c807edb19babc8c3a2eac (diff) | |
| download | coreboot-6326255caa2488d90762470bd0c83b8015c198a9.tar.xz | |
AMD K8 fam10: Eliminate local variables busn and max_bus
Change-Id: I297de09dcf93511acece4441593ef958a390fddb
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/8362
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <edward.ocallaghan@koparo.com>
Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Diffstat (limited to 'src/northbridge/amd')
| -rw-r--r-- | src/northbridge/amd/amdfam10/northbridge.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/src/northbridge/amd/amdfam10/northbridge.c b/src/northbridge/amd/amdfam10/northbridge.c index ff5dc31a03..fd134a2a80 100644 --- a/src/northbridge/amd/amdfam10/northbridge.c +++ b/src/northbridge/amd/amdfam10/northbridge.c @@ -199,11 +199,7 @@ static u32 amdfam10_scan_chain(device_t dev, u32 nodeid, struct bus *link, bool unsigned int next_unitid; u32 ht_c_index; u32 ht_unitid_base[4]; // here assume only 4 HT device on chain - u32 max_bus; u32 min_bus; -#if CONFIG_SB_HT_CHAIN_ON_BUS0 > 1 - u32 busn = max&0xff; -#endif u32 max_devfn; /* Check for connected link. */ @@ -232,7 +228,8 @@ static u32 amdfam10_scan_chain(device_t dev, u32 nodeid, struct bus *link, bool // i would refined that to 2, 3, 4 ==> 0, 0x, 40, 0x80, 0xc0 // >4 will use more segments, We can have 16 segmment and every segment have 256 bus, For that case need the kernel support mmio pci config. else { - min_bus = ((busn>>3) + 1) << 3; // one node can have 8 link and segn is the same + /* One node can have 8 link and segn is the same. */ + min_bus = (((max & 0xff) >> 3) + 1) << 3; } max = min_bus; #else @@ -244,7 +241,6 @@ static u32 amdfam10_scan_chain(device_t dev, u32 nodeid, struct bus *link, bool #else min_bus = ++max; #endif - max_bus = 0xfc; link->secondary = min_bus; link->subordinate = link->secondary; |