diff options
Diffstat (limited to 'src/northbridge/amd/gx2/northbridge.c')
| -rw-r--r-- | src/northbridge/amd/gx2/northbridge.c | 54 |
1 files changed, 44 insertions, 10 deletions
diff --git a/src/northbridge/amd/gx2/northbridge.c b/src/northbridge/amd/gx2/northbridge.c index 976fea048b..40aaa44a62 100644 --- a/src/northbridge/amd/gx2/northbridge.c +++ b/src/northbridge/amd/gx2/northbridge.c @@ -75,6 +75,16 @@ sizeram(void) #define RRCF_LOW(base,properties) (base|(1<<8)|properties) #define RRCF_LOW_CD(base) RRCF_LOW(base, CACHE_DISABLE) +/* build initializer for P2D MSR */ +#define P2D_BM(msr, pdid1, bizarro, pbase, pmask) {msr, {.hi=(pdid1<<29)|(bizarro<<28)|(pbase>>24), .lo=(pbase<<8)|pmask}} +#define P2D_BMO(msr, pdid1, bizarro, poffset, pbase, pmask) {msr, {.hi=(pdid1<<29)|(bizarro<<28)|(poffset<<8)|(pbase>>24), .lo=(pbase<<8)|pmask}} +#define P2D_R(msr, pdid1, bizarro, pmax, pmin) {msr, {.hi=(pdid1<<29)|(bizarro<<28)|(pmax>>12), .lo=(pmax<<20)|pmin}} +#define P2D_RO(msr, pdid1, bizarro, poffset, pmax, pmin) {msr, {.hi=(pdid1<<29)|(bizarro<<28)|(poffset<<8)|(pmax>>12), .lo=(pmax<<20)|pmin}} +#define P2D_SC(msr, pdid1, bizarro, wen, ren,pscbase) {msr, {.hi=(pdid1<<29)|(bizarro<<28)|(wen), .lo=(ren<<16)|(pscbase>>18)}} +#define IOD_BM(msr, pdid1, bizarro, ibase, imask) {msr, {.hi=(pdid1<<29)|(bizarro<<28)|(ibase>>12), .lo=(ibase<<20)|imask}} +#define IOD_SC(msr, pdid1, bizarro, en, wen, ren, ibase) {msr, {.hi=(pdid1<<29)|(bizarro<<28), .lo=(en<<24)|(wen<<21)|(ren<<20)|(ibase<<3)}} + + struct msr_defaults { int msr_no; @@ -95,6 +105,15 @@ struct msr_defaults { {0x1811, {.hi = 0xefffb000, .lo = RRCF_LOW_CD(0xefff8000)}}, {0x1812, {.hi = 0xefff7000, .lo = RRCF_LOW_CD(0xefff4000)}}, {0x1813, {.hi = 0xefff3000, .lo = RRCF_LOW_CD(0xefff0000)}}, + /* now for GLPCI routing */ + /* GLIU0 */ + P2D_BM(0x10000020, 0x1, 0x0, 0x0, 0xfff80), + P2D_BM(0x10000021, 0x1, 0x0, 0x80000, 0xfffe0), + P2D_SC(0x1000002c, 0x1, 0x0, 0x0, 0xff03, 0x3), + /* GLIU1 */ + P2D_BM(0x40000020, 0x1, 0x0, 0x0, 0xfff80), + P2D_BM(0x40000021, 0x1, 0x0, 0x80000, 0xfffe0), + P2D_SC(0x4000002d, 0x1, 0x0, 0x0, 0xff03, 0x3), {0} }; @@ -102,7 +121,6 @@ struct msr_defaults { static void setup_gx2_cache(int sizem) { - int i; msr_t msr; unsigned long long val; printk_debug("enable_cache: enable for %dm bytes\n", sizem); @@ -128,14 +146,6 @@ setup_gx2_cache(int sizem) printk_debug("msr will be set to %x:%x\n", msr.hi, msr.lo); wrmsr(0x1808, msr); - /* now do the default MSR values */ - for(i = 0; msr_defaults[i].msr_no; i++) { - msr_t msr; - wrmsr(msr_defaults[i].msr_no, msr_defaults[i].msr); - msr = rdmsr(msr_defaults[i].msr_no); - printk_debug("MSR 0x%x is now 0x%x:0x%x\n", msr_defaults[i].msr_no, msr.hi,msr.lo); - } - enable_cache(); wbinvd(); } @@ -143,10 +153,34 @@ setup_gx2_cache(int sizem) void setup_gx2(void) { - int sizem; + int i; + msr_t msr; + + unsigned long sizem, membytes; sizem = sizeram(); setup_gx2_cache(sizem); + + + membytes = sizem * 1048576; + /* we need to set 0x10000029 and 0x40000029 */ + msr.hi = 0x20000000 | membytes >>20; + msr.lo = 0x100 | ( ((membytes >>12) & 0xfff) << 20); + wrmsr(0x10000029, msr); + wrmsr(0x40000029, msr); + msr = rdmsr(0x10000029); + printk_debug("MSR 0x%x is now 0x%x:0x%x\n", 0x10000029, msr.hi,msr.lo); + msr = rdmsr(0x40000029); + printk_debug("MSR 0x%x is now 0x%x:0x%x\n", 0x40000029, msr.hi,msr.lo); + + printk_debug("MSR 0x%x is now 0x%x:0x%x\n", 0x40000029, msr.hi,msr.lo); + /* now do the default MSR values */ + for(i = 0; msr_defaults[i].msr_no; i++) { + msr_t msr; + wrmsr(msr_defaults[i].msr_no, msr_defaults[i].msr); + msr = rdmsr(msr_defaults[i].msr_no); + printk_debug("MSR 0x%x is now 0x%x:0x%x\n", msr_defaults[i].msr_no, msr.hi,msr.lo); + } } |