diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/cpu/amd/model_gx2/cpubug.c | 26 | ||||
| -rw-r--r-- | src/cpu/amd/model_gx2/vsmsetup.c | 7 | ||||
| -rw-r--r-- | src/mainboard/amd/rumba/auto.c | 10 | ||||
| -rw-r--r-- | src/northbridge/amd/gx2/northbridge.c | 23 |
4 files changed, 51 insertions, 15 deletions
diff --git a/src/cpu/amd/model_gx2/cpubug.c b/src/cpu/amd/model_gx2/cpubug.c index 34ebdc9285..8623f223ff 100644 --- a/src/cpu/amd/model_gx2/cpubug.c +++ b/src/cpu/amd/model_gx2/cpubug.c @@ -32,7 +32,8 @@ bug573(void){ #endif static void -pcideadlock(void){ +pcideadlock(void) +{ msr_t msr; msr = rdmsr(CPU_DM_CONFIG0); @@ -41,13 +42,11 @@ pcideadlock(void){ msr.lo |= DM_CONFIG0_LOWER_MISSER_SET; wrmsr(CPU_DM_CONFIG0, msr); - - msr = rdmsr(CPU_IM_CONFIG); msr.lo |= IM_CONFIG_LOWER_QWT_SET; /* interlock instruction fetches to WS regions with data accesses. - * This prevents in instruction fetch from going out to PCI if the - * data side is about to make a request. - */ + * This prevents in instruction fetch from going out to PCI if the + * data side is about to make a request. + */ wrmsr(CPU_IM_CONFIG, msr); /* write serialize memory hole to PCI. Need to to unWS when something is shadowed regardless of cachablility.*/ @@ -72,13 +71,14 @@ pcideadlock(void){ /***/ /****************************************************************************/ -void bug784(void){ +void bug784(void) +{ msr_t msr; -// static char *name = "Geode by NSC"; + //static char *name = "Geode by NSC"; /* we'll do this the stupid way, for now, but that's the string they want. NO ONE KNOWS why you - * would do this -- the OS can figure this type of stuff out! - */ + * would do this -- the OS can figure this type of stuff out! + */ msr = rdmsr(0x3006); msr.hi = 0x646f6547; wrmsr(0x3006, msr); @@ -91,7 +91,7 @@ void bug784(void){ msr = rdmsr(0x3002); wrmsr(0x3008, msr); -/* More CPUID to match AMD better. #792*/ + /* More CPUID to match AMD better. #792*/ msr = rdmsr(0x3009); msr.hi = 0x0C0C0A13D; msr.lo = 0x00000000; @@ -99,8 +99,8 @@ void bug784(void){ } /* cpubug 1398: enable MC if we KNOW we have DDR*/ -void -eng1398(void){ +void eng1398(void) +{ msr_t msr; msr = rdmsr(MSR_GLCP+0x17); diff --git a/src/cpu/amd/model_gx2/vsmsetup.c b/src/cpu/amd/model_gx2/vsmsetup.c index 69470d5b2b..593c7f716b 100644 --- a/src/cpu/amd/model_gx2/vsmsetup.c +++ b/src/cpu/amd/model_gx2/vsmsetup.c @@ -199,7 +199,9 @@ static void real_mode_switch_call_vsm(unsigned long smm, unsigned long sysm) //" mov %ax, %gs \n" " mov $0x40, %ax \n" " mov %ax, %ds \n" - " mov %cx, %ax \n" + //" mov %cx, %ax \n" + " movl $0x10000026, %ecx \n" + " movl $0x10000028, %edx \n" /* run VGA BIOS at 0x6000:0020 */ " lcall $0x6000, $0x0020\n" @@ -275,6 +277,9 @@ void do_vsmbios(void) memcpy((void *) 0x60000, buf, size); + for (i = 0; i < 0x800000; i++) + outb(0xaa, 0x80); + /* ecx gets smm, edx gets sysm */ printk_err("Call real_mode_switch_call_vsm\n"); real_mode_switch_call_vsm(0x10000026, 0x10000028); diff --git a/src/mainboard/amd/rumba/auto.c b/src/mainboard/amd/rumba/auto.c index 84c837bcc2..3ac8fd2797 100644 --- a/src/mainboard/amd/rumba/auto.c +++ b/src/mainboard/amd/rumba/auto.c @@ -124,6 +124,16 @@ static void msr_init(void) __builtin_wrmsr(0x50002001, 0x27, 0x0); __builtin_wrmsr(0x4c002001, 0x1, 0x0); +#if 1 + __builtin_wrmsr(0x4c00000c, 0x0, 0x08); + __builtin_wrmsr(0x4c000016, 0x0, 0x0); + __builtin_wrmsr(0x4c00000c, 0x1, 0x0); + __builtin_wrmsr(0x4c00005e, 0x03880000, 0x00); + __builtin_wrmsr(0x4c00006f, 0x0000f000, 0x00); + __builtin_wrmsr(0x4c00005f, 0x08000000, 0x00); + __builtin_wrmsr(0x4c00000d, 0x82b5ad68, 0x80ad6b57); + __builtin_wrmsr(0x4c00000c, 0x0, 0x0); +#endif } diff --git a/src/northbridge/amd/gx2/northbridge.c b/src/northbridge/amd/gx2/northbridge.c index fb3cb1c1e0..85c38229aa 100644 --- a/src/northbridge/amd/gx2/northbridge.c +++ b/src/northbridge/amd/gx2/northbridge.c @@ -171,7 +171,7 @@ setup_gx2(void) sizem = setup_gx2_cache(); membytes = sizem * 1048576; - +#if 0 /* we need to set 0x10000028 and 0x40000029 */ printk_debug("sizem 0x%x, membytes 0x%x\n", sizem, membytes); msr.hi = 0x20000000 | membytes>>24; @@ -201,7 +201,28 @@ setup_gx2(void) msr.hi = tmp; msr.lo = tmp2; wrmsr(0x10000026, msr); +#else + msr.hi = 0x2000000f; + msr.lo = 0xfbf00100; + wrmsr(0x10000028, msr); + msr = rdmsr(0x10000028); + printk_debug("MSR 0x%x is now 0x%x:0x%x\n", 0x10000028, msr.hi, msr.lo); + wrmsr(0x40000029, msr); + msr = rdmsr(0x40000029); + printk_debug("MSR 0x%x is now 0x%x:0x%x\n", 0x40000029, msr.hi, msr.lo); + msr.hi = 0x2cfbc040; + msr.lo = 0x400fffc0; + wrmsr(0x10000026, msr); + msr = rdmsr(0x10000026); + printk_debug("MSR 0x%x is now 0x%x:0x%x\n", 0x10000026, msr.hi, msr.lo); + + msr.hi = 0x22fffc02; + msr.lo = 0x10ffbf00; + wrmsr(0x1808, msr); + msr = rdmsr(0x1808); + printk_debug("MSR 0x%x is now 0x%x:0x%x\n", 0x1808, msr.hi, msr.lo); +#endif /* now do the default MSR values */ for(i = 0; msr_defaults[i].msr_no; i++) { msr_t msr; |