diff options
Diffstat (limited to 'src/northbridge/amd/gx2/raminit.c')
-rw-r--r-- | src/northbridge/amd/gx2/raminit.c | 67 |
1 files changed, 43 insertions, 24 deletions
diff --git a/src/northbridge/amd/gx2/raminit.c b/src/northbridge/amd/gx2/raminit.c index f93109a746..2392775437 100644 --- a/src/northbridge/amd/gx2/raminit.c +++ b/src/northbridge/amd/gx2/raminit.c @@ -32,15 +32,20 @@ static void sdram_set_registers(const struct mem_controller *ctrl) #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)} - - +#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; @@ -63,22 +68,37 @@ const struct msr_defaults 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 */ + + /* GeodeLink Routing */ /* GLIU0 */ - P2D_BM(0x10000020, 0x1, 0x0, 0x0, 0xfff80), + /* Traditional Memory 0kB-512kB goes to GLIU port 1, Memory Controller */ + P2D_BM(0x10000020, 0x1, 0x0, 0x00000, 0xfff80), + /* Traditional Memory 512kB-1MB goes to GLIU port 1, Memory Controller */ P2D_BM(0x10000021, 0x1, 0x0, 0x80000, 0xfffe0), - P2D_SC(0x1000002c, 0x1, 0x0, 0x0, 0xff03, 0x3), + /* Extended Memory, 0xC0000-0x100000, disable write, + * enable read 0xC0000 - 0xC8000, 0xE0000-0xFFFFF , + * goest to GLIU Port 1, Memory Controller */ + P2D_SC(0x1000002c, 0x1, 0x0, 0x0000, 0xff03, 0x3), /* GLIU1 */ - P2D_BM(0x40000020, 0x1, 0x0, 0x0, 0xfff80), + /* Traditional Memory 0kB-512kB goes to GLIU port 1, link to GLIU0 */ + P2D_BM(0x40000020, 0x1, 0x0, 0x00000, 0xfff80), + /* Traditional Memory 512kB-1MB goes to GLIU port 1, link to GLIU0 */ P2D_BM(0x40000021, 0x1, 0x0, 0x80000, 0xfffe0), - P2D_SC(0x4000002d, 0x1, 0x0, 0x0, 0xff03, 0x3), + /* Extended Memory, 0xC0000-0x100000, disable write, + * enable read 0xC0000 - 0xC8000, 0xE0000-0xFFFFF , + * goest to GLIU Port 1, Memory Controller */ + P2D_SC(0x4000002d, 0x1, 0x0, 0x0000, 0xff03, 0x3), + /* end of table */ {0} }; #define SMM_OFFSET 0x40400000 #define SMM_SIZE 256 -/* we have to do this here. We have not found a nicer way to do it */ +/* + * FixME: MSR 0x10000028, 0x40000029 are reprogrammed by SysmemInit() + * 0x10000026 and 0x400000023 are reprogrammed by SMMGL0Init() and SMMGL1Init() + */ void setup_gx2(void) { @@ -92,7 +112,7 @@ setup_gx2(void) membytes = sizem * 1048576; /* we need to set 0x10000028 and 0x40000029 */ - // print_debug("sizem 0x%x, membytes 0x%x\n", sizem, membytes); + //print_debug("sizem 0x%x, membytes 0x%x\n", sizem, membytes); msr.hi = 0x20000000 | membytes>>24; msr.lo = 0x100 | ( ((membytes >>12) & 0xfff) << 20); wrmsr(0x10000028, msr); @@ -100,10 +120,9 @@ setup_gx2(void) msr.lo = 0x100 | ( ((membytes >>12) & 0xfff) << 20); wrmsr(0x40000029, msr); msr = rdmsr(0x10000028); - // print_debug("MSR 0x%x is now 0x%x:0x%x\n", 0x10000028, msr.hi,msr.lo); + //print_debug("MSR 0x%x is now 0x%x:0x%x\n", 0x10000028, msr.hi,msr.lo); msr = rdmsr(0x40000029); - // print_debug("MSR 0x%x is now 0x%x:0x%x\n", 0x40000029, msr.hi,msr.lo); - + //print_debug("MSR 0x%x is now 0x%x:0x%x\n", 0x40000029, msr.hi,msr.lo); /* fixme: SMM MSR 0x10000026 and 0x400000023 */ /* calculate the OFFSET field */ @@ -116,7 +135,7 @@ setup_gx2(void) /* calculate the PBASE and PMASK fields */ tmp2 = (SMM_OFFSET << 8) & 0xFFF00000; /* shift right 12 then left 20 == left 8 */ tmp2 |= (((~(SMM_SIZE * 1024) + 1) >> 12) & 0xfffff); - // print_debug("MSR 0x%x is now 0x%x:0x%x\n", 0x10000026, tmp, tmp2); + //print_debug("MSR 0x%x is now 0x%x:0x%x\n", 0x10000026, tmp, tmp2); msr.hi = tmp; msr.lo = tmp2; wrmsr(0x10000026, msr); @@ -125,22 +144,22 @@ setup_gx2(void) msr.lo = 0xfbf00100; wrmsr(0x10000028, msr); msr = rdmsr(0x10000028); - // print_debug("MSR 0x%x is now 0x%x:0x%x\n", 0x10000028, msr.hi, msr.lo); + //print_debug("MSR 0x%x is now 0x%x:0x%x\n", 0x10000028, msr.hi, msr.lo); wrmsr(0x40000029, msr); msr = rdmsr(0x40000029); - // print_debug("MSR 0x%x is now 0x%x:0x%x\n", 0x40000029, msr.hi, msr.lo); + //print_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); - // print_debug("MSR 0x%x is now 0x%x:0x%x\n", 0x10000026, msr.hi, msr.lo); + //print_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); - // print_debug("MSR 0x%x is now 0x%x:0x%x\n", 0x1808, msr.hi, msr.lo); + //print_debug("MSR 0x%x is now 0x%x:0x%x\n", 0x1808, msr.hi, msr.lo); #endif /* now do the default MSR values */ |