During the suspend/resume programming I came to an issue that first 4KB of

[coreboot.git] / src / northbridge / amd / amdfam10 / northbridge.c

diff --git a/src/northbridge/amd/amdfam10/northbridge.c b/src/northbridge/amd/amdfam10/northbridge.c
index bdb743387d5eeedfdbdf065f7463a7e40ddedfcd..95e09f4c6a26ab625e4da326638a9282e89a2059 100644 (file)
--- a/src/northbridge/amd/amdfam10/northbridge.c
+++ b/src/northbridge/amd/amdfam10/northbridge.c
@@ -338,6 +338,8 @@ static int reg_useable(u32 reg,device_t goal_dev, u32 goal_nodeid,
        for(nodeid = 0; !res && (nodeid < NODE_NUMS); nodeid++) {
                device_t dev;
                dev = __f0_dev[nodeid];
+               if (!dev)
+                       continue;
                for(link = 0; !res && (link < 8); link++) {
                        res = probe_resource(dev, 0x1000 + reg + (link<<16)); // 8 links, 0x1000 man f1,
                }