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authorKyösti Mälkki <kyosti.malkki@gmail.com>2015-02-02 20:07:58 +0200
committerKyösti Mälkki <kyosti.malkki@gmail.com>2015-02-20 07:03:12 +0100
commitfe57eeb5bfe5413ae704f4ca9ab1ec1286c84a9c (patch)
tree5a8e5bc9ea38f8320deeb3cd62400e0b691caf45 /src/northbridge/amd/amdfam10
parentd15bddab57caedf283659c4d644e4696fb0e570e (diff)
AMD K8 fam10: Remove some excessive preprocessor use
Change-Id: Iee51c51b662d1f5e3d918d1e5b961f06c6b99df6 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/8346 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Diffstat (limited to 'src/northbridge/amd/amdfam10')
-rw-r--r--src/northbridge/amd/amdfam10/northbridge.c34
1 files changed, 12 insertions, 22 deletions
diff --git a/src/northbridge/amd/amdfam10/northbridge.c b/src/northbridge/amd/amdfam10/northbridge.c
index 84f255378e..ce97f62cc5 100644
--- a/src/northbridge/amd/amdfam10/northbridge.c
+++ b/src/northbridge/amd/amdfam10/northbridge.c
@@ -288,37 +288,27 @@ static unsigned amdfam10_scan_chains(device_t dev, unsigned max)
unsigned nodeid;
struct bus *link;
unsigned sblink = sysconf.sblk;
- unsigned offset_unitid = 0;
nodeid = amdfam10_nodeid(dev);
-// Put sb chain in bus 0
-#if CONFIG_SB_HT_CHAIN_ON_BUS0 > 0
- if(nodeid==0) {
- #if ((CONFIG_HT_CHAIN_UNITID_BASE != 1) || (CONFIG_HT_CHAIN_END_UNITID_BASE != 0x20))
- offset_unitid = 1;
- #endif
- for (link = dev->link_list; link; link = link->next)
- if (link->link_num == sblink)
- max = amdfam10_scan_chain(dev, nodeid, link, sblink, sblink, max, offset_unitid ); // do sb ht chain at first, in case s2885 put sb chain (8131/8111) on link2, but put 8151 on link0
+ /* Do sb ht chain at first, in case s2885 put sb chain (8131/8111) on link2, but put 8151 on link0 */
+ for (link = dev->link_list; link; link = link->next) {
+ unsigned offset_unitid = (CONFIG_HT_CHAIN_UNITID_BASE != 1) || (CONFIG_HT_CHAIN_END_UNITID_BASE != 0x20);
+ if ((CONFIG_SB_HT_CHAIN_ON_BUS0 > 0) && (nodeid == 0) && (link->link_num == sblink))
+ max = amdfam10_scan_chain(dev, nodeid, link, link->link_num, sblink, max, offset_unitid);
}
-#endif
#if CONFIG_PCI_BUS_SEGN_BITS
max = check_segn(dev, max, sysconf.nodes, &sysconf);
#endif
- for(link = dev->link_list; link; link = link->next) {
-#if CONFIG_SB_HT_CHAIN_ON_BUS0 > 0
- if( (nodeid == 0) && (sblink == link->link_num) ) continue; //already done
-#endif
- offset_unitid = 0;
- #if ((CONFIG_HT_CHAIN_UNITID_BASE != 1) || (CONFIG_HT_CHAIN_END_UNITID_BASE != 0x20))
- #if CONFIG_SB_HT_CHAIN_UNITID_OFFSET_ONLY
- if((nodeid == 0) && (sblink == link->link_num))
- #endif
- offset_unitid = 1;
- #endif
+ for (link = dev->link_list; link; link = link->next) {
+ if ((CONFIG_SB_HT_CHAIN_ON_BUS0 > 0) && (nodeid == 0) && (link->link_num == sblink))
+ continue;
+
+ unsigned offset_unitid = (CONFIG_HT_CHAIN_UNITID_BASE != 1) || (CONFIG_HT_CHAIN_END_UNITID_BASE != 0x20);
+ offset_unitid = offset_unitid &&
+ (((nodeid == 0) && (sblink == link->link_num)) || !CONFIG_SB_HT_CHAIN_UNITID_OFFSET_ONLY);
max = amdfam10_scan_chain(dev, nodeid, link, link->link_num, sblink, max, offset_unitid);
}