K8 RAM init debug messages are pretty short and sometimes cryptic. Make them a bit more verbose and hopefully more understandable.
Signed-off-by: Carl-Daniel Hailfinger c-d.hailfinger.devel.2006@gmx.net
Index: LinuxBIOSv2-k8_raminit_debugmessages/src/northbridge/amd/amdk8/raminit.c =================================================================== --- LinuxBIOSv2-k8_raminit_debugmessages/src/northbridge/amd/amdk8/raminit.c (Revision 4339) +++ LinuxBIOSv2-k8_raminit_debugmessages/src/northbridge/amd/amdk8/raminit.c (Arbeitskopie) @@ -850,14 +850,18 @@ }
/* Report the amount of memory. */ - printk_spew("RAM: 0x%08x kB\n", tom_k); + printk_debug("RAM end at 0x%08x kB, hole starts at 0x%08x kB\n", + tom_k, hole_startk);
/* Now set top of memory */ msr_t msr; if (tom_k > (4*1024*1024)) { + printk_raminit("Handling memory mapped above 4 GB\n"); + printk_raminit("Upper RAM end at 0x%08x kB\n", tom_k); msr.lo = (tom_k & 0x003fffff) << 10; msr.hi = (tom_k & 0xffc00000) >> 22; wrmsr(TOP_MEM2, msr); + printk_raminit("Correcting memory amount mapped below 4 GB\n"); }
/* Leave a 64M hole between TOP_MEM and TOP_MEM2 @@ -871,6 +875,7 @@ #endif tom_k = 0x3f0000; } + printk_raminit("Lower RAM end at 0x%08x kB\n", tom_k); msr.lo = (tom_k & 0x003fffff) << 10; msr.hi = (tom_k & 0xffc00000) >> 22; wrmsr(TOP_MEM, msr); @@ -2167,6 +2172,7 @@
hole_startk = 4*1024*1024 - HW_MEM_HOLE_SIZEK;
+ printk_raminit("Handling memory hole at 0x%08x (default)\n", hole_startk); #if HW_MEM_HOLE_SIZE_AUTO_INC == 1 /* We need to double check if hole_startk is valid. * If it is equal to the dram base address in K (base_k), @@ -2191,6 +2197,7 @@ basek_pri = base_k; }
+ printk_raminit("Handling memory hole at 0x%08x (adjusted)\n", hole_startk); #endif /* Find node number that needs the memory hole configured */ for (i=0; i<controllers; i++) { Index: LinuxBIOSv2-k8_raminit_debugmessages/src/northbridge/amd/amdk8/raminit_f.c =================================================================== --- LinuxBIOSv2-k8_raminit_debugmessages/src/northbridge/amd/amdk8/raminit_f.c (Revision 4339) +++ LinuxBIOSv2-k8_raminit_debugmessages/src/northbridge/amd/amdk8/raminit_f.c (Arbeitskopie) @@ -1049,14 +1049,18 @@ }
/* Report the amount of memory. */ - printk_debug("RAM: 0x%08x kB\n", tom_k); + printk_debug("RAM end at 0x%08x kB, hole starts at 0x%08x kB\n", + tom_k, hole_startk);
/* Now set top of memory */ msr_t msr; if (tom_k > (4*1024*1024)) { + printk_raminit("Handling memory mapped above 4 GB\n"); + printk_raminit("Upper RAM end at 0x%08x kB\n", tom_k); msr.lo = (tom_k & 0x003fffff) << 10; msr.hi = (tom_k & 0xffc00000) >> 22; wrmsr(TOP_MEM2, msr); + printk_raminit("Correcting memory amount mapped below 4 GB\n"); }
/* Leave a 64M hole between TOP_MEM and TOP_MEM2 @@ -1070,6 +1074,7 @@ #endif tom_k = 0x3f0000; } + printk_raminit("Lower RAM end at 0x%08x kB\n", tom_k); msr.lo = (tom_k & 0x003fffff) << 10; msr.hi = (tom_k & 0xffc00000) >> 22; wrmsr(TOP_MEM, msr); @@ -2938,6 +2943,7 @@
hole_startk = 4*1024*1024 - HW_MEM_HOLE_SIZEK;
+ printk_raminit("Handling memory hole at 0x%08x (default)\n", hole_startk); #if HW_MEM_HOLE_SIZE_AUTO_INC == 1 /* We need to double check if the hole_startk is valid, if it is equal to basek, we need to decrease it some */ @@ -2958,6 +2964,7 @@ } basek_pri = base_k; } + printk_raminit("Handling memory hole at 0x%08x (adjusted)\n", hole_startk); #endif /* find node index that need do set hole */ for (i=0; i < controllers; i++) {