From d3ba4aaa245b1af50f70443ba01ec0baf883995f Mon Sep 17 00:00:00 2001 From: "Ronald G. Minnich" Date: Tue, 2 May 2006 03:07:11 +0000 Subject: Fall back to pre-broken settings and setup for GX2. We lost a few things, but this is still worth it. git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2287 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/northbridge/amd/gx2/northbridge.c | 185 +++++++++++++++++++++++++++++- src/northbridge/amd/gx2/northbridgeinit.c | 67 +++++------ src/northbridge/amd/gx2/raminit.c | 171 +-------------------------- 3 files changed, 210 insertions(+), 213 deletions(-) (limited to 'src/northbridge/amd') diff --git a/src/northbridge/amd/gx2/northbridge.c b/src/northbridge/amd/gx2/northbridge.c index 3e5c4daf8f..1dd4c9c7a3 100644 --- a/src/northbridge/amd/gx2/northbridge.c +++ b/src/northbridge/amd/gx2/northbridge.c @@ -19,6 +19,8 @@ * FIXME -- make this configurable */ #define RAMADJUSTMB 9 +/* +*/ /* todo: add a resource record. We don't do this here because this may be called when * very little of the platform is actually working. @@ -50,15 +52,194 @@ sizeram(void) return sizem; } + +/* here is programming for the various MSRs.*/ +#define IM_QWAIT 0x100000 + +#define DMCF_WRITE_SERIALIZE_REQUEST (2<<12) /* 2 outstanding */ /* in high */ +#define DMCF_SERIAL_LOAD_MISSES (2) /* enabled */ + +/* these are the 8-bit attributes for controlling RCONF registers */ +#define CACHE_DISABLE (1<<0) +#define WRITE_ALLOCATE (1<<1) +#define WRITE_PROTECT (1<<2) +#define WRITE_THROUGH (1<<3) +#define WRITE_COMBINE (1<<4) +#define WRITE_SERIALIZE (1<<5) + +/* ram has none of this stuff */ +#define RAM_PROPERTIES (0) +#define DEVICE_PROPERTIES (WRITE_SERIALIZE|CACHE_DISABLE) +#define ROM_PROPERTIES (WRITE_SERIALIZE|WRITE_THROUGH|CACHE_DISABLE) +#define MSR_WS_CD_DEFAULT (0x21212121) + +/* 1810-1817 give you 8 registers with which to program protection regions */ +/* the are region configuration range registers, or RRCF */ +/* in msr terms, the are a straight base, top address assign, since they are 4k aligned. */ +/* so no left-shift needed for top or base */ +#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; + msr_t msr; +} msr_defaults [] = { + {0x1700, {.hi = 0, .lo = IM_QWAIT}}, + {0x1800, {.hi = DMCF_WRITE_SERIALIZE_REQUEST, .lo = DMCF_SERIAL_LOAD_MISSES}}, + /* 1808 will be done down below, so we have to do 180a->1817 (well, 1813 really) */ + /* for 180a, for now, we assume VSM will configure it */ + /* 180b is left at reset value,a0000-bffff is non-cacheable */ + /* 180c, c0000-dffff is set to write serialize and non-cachable */ + /* oops, 180c will be set by cpu bug handling in cpubug.c */ + //{0x180c, {.hi = MSR_WS_CD_DEFAULT, .lo = MSR_WS_CD_DEFAULT}}, + /* 180d is left at default, e0000-fffff is non-cached */ + + /* we will assume 180e, the ssm region configuration, is left at default or set by VSM */ + /* we will not set 0x180f, the DMM,yet */ + //{0x1810, {.hi=0xee7ff000, .lo=RRCF_LOW(0xee000000, WRITE_COMBINE|CACHE_DISABLE)}}, + //{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} +}; + + static int setup_gx2_cache(void) { + msr_t msr; + unsigned long long val; + int sizembytes, sizereg; + + sizembytes = sizeram(); + printk_debug("enable_cache: enable for %dm bytes\n", sizembytes); + /* build up the rconf word. */ + /* the SYSTOP bits 27:8 are actually the top bits from 31:12. Book fails to say that */ + /* set romrp */ + val = ((unsigned long long) ROM_PROPERTIES) << 56; + /* make rom base useful for 1M roms */ + /* Flash base address -- sized for 1/2M for now*/ + val |= ((unsigned long long) 0xfff800)<<36; + /* set the devrp properties */ + val |= ((unsigned long long) DEVICE_PROPERTIES) << 28; + /* sigh. Take our TOM, RIGHT shift 12, since it page-aligned, then LEFT-shift 8 for reg. */ + /* yank off 8M for frame buffer and 1M for VSA */ + sizembytes -= RAMADJUSTMB; + sizereg = sizembytes; + sizereg *= 0x100000; + sizereg >>= 12; + sizereg <<= 8; + val |= sizereg; + val |= RAM_PROPERTIES; + msr.lo = val; + msr.hi = (val >> 32); + printk_debug("msr will be set to %x:%x\n", msr.hi, msr.lo); + wrmsr(CPU_RCONF_DEFAULT, msr); + enable_cache(); + wbinvd(); + return sizembytes; } +#define SMM_OFFSET 0x40400000 +#define SMM_SIZE 256 + +/* we have to do this here. We have not found a nicer way to do it */ +void +setup_gx2(void) +{ + int i; + unsigned long tmp, tmp2, tmp3; + msr_t msr; + unsigned long sizem, membytes; + + 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; + msr.lo = 0x100 | ( ((membytes >>12) & 0xfff) << 20); + wrmsr(0x10000028, msr); + msr.hi = 0x20000000 | membytes>>24; + msr.lo = 0x100 | ( ((membytes >>12) & 0xfff) << 20); + wrmsr(0x40000029, msr); + msr = rdmsr(0x10000028); + printk_debug("MSR 0x%x is now 0x%x:0x%x\n", 0x10000028, msr.hi,msr.lo); + msr = rdmsr(0x40000029); + printk_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 */ + tmp = membytes - SMM_OFFSET; + tmp >>= 12; + tmp <<= 8; + tmp |= 0x20000000; + tmp |= (SMM_OFFSET >> 24); + + /* 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); + printk_debug("MSR 0x%x is now 0x%x:0x%x\n", 0x10000026, tmp, tmp2); + 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; + 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); + } +} static void enable_shadow(device_t dev) -{ +{ + } static void northbridge_init(device_t dev) @@ -237,7 +418,7 @@ static void enable_dev(struct device *dev) northbridgeinit(); cpubug(); chipsetinit(); - setup_gx2_cache(); + setup_gx2(); /* do this here for now -- this chip really breaks our device model */ setup_realmode_idt(); do_vsmbios(); diff --git a/src/northbridge/amd/gx2/northbridgeinit.c b/src/northbridge/amd/gx2/northbridgeinit.c index 5e4d83a35d..0998a6af96 100644 --- a/src/northbridge/amd/gx2/northbridgeinit.c +++ b/src/northbridge/amd/gx2/northbridgeinit.c @@ -22,39 +22,27 @@ struct gliutable { }; struct gliutable gliu0table[] = { - /* 0x00000-0x7FFFF to MC */ - {.desc_name = MSR_GLIU0_BASE1, .desc_type = BM, .hi = MSR_MC + 0x0,.lo = 0xFFF80}, - /* 0x80000-0x9ffff to Mc */ - {.desc_name = MSR_GLIU0_BASE2, .desc_type = BM, .hi = MSR_MC + 0x0,.lo = (0x80 << 20) + 0xFFFE0}, - /* 0xc0000-0xfffff split to MC and PCI (sub decode) A0000-Bffff handled by SoftVideo */ - {.desc_name = MSR_GLIU0_SHADOW, .desc_type = SC_SHADOW,.hi = MSR_MC + 0x0,.lo= 0x03}, - /* Catch and fix dynamicly.*/ - {.desc_name = MSR_GLIU0_SYSMEM, .desc_type = R_SYSMEM, .hi = MSR_MC, .lo= 0x0}, - /* Catch and fix dynamicly.*/ - {.desc_name = MSR_GLIU0_DMM, .desc_type = BMO_DMM, .hi = MSR_MC,.lo = 0x0}, - /* Catch and fix dynamicly.*/ - {.desc_name = MSR_GLIU0_SMM, .desc_type = BMO_SMM, .hi = MSR_MC,.lo = 0x0}, - {.desc_name = GLIU0_GLD_MSR_COH,.desc_type = OTHER, .hi = 0x0, .lo = GL0_CPU}, - {.desc_name = GL_END, .desc_type = GL_END, .hi = 0x0, .lo = 0x0}, + {.desc_name=MSR_GLIU0_BASE1, .desc_type= BM,.hi= MSR_MC + 0x0,.lo= 0x0FFF80}, /* 0-7FFFF to MC*/ + {.desc_name=MSR_GLIU0_BASE2, .desc_type= BM,.hi= MSR_MC + 0x0,.lo=(0x80 << 20) + 0x0FFFE0}, /* 80000-9ffff to Mc*/ + {.desc_name=MSR_GLIU0_SHADOW,.desc_type= SC_SHADOW,.hi= MSR_MC + 0x0,.lo= 0x03}, /* C0000-Fffff split to MC and PCI (sub decode) A0000-Bffff handled by SoftVideo*/ + {.desc_name=MSR_GLIU0_SYSMEM,.desc_type= R_SYSMEM,.hi= MSR_MC,.lo= 0x0}, /* Catch and fix dynamicly.*/ + {.desc_name=MSR_GLIU0_DMM, .desc_type= BMO_DMM,.hi= MSR_MC,.lo= 0x0}, /* Catch and fix dynamicly.*/ + {.desc_name=MSR_GLIU0_SMM, .desc_type= BMO_SMM,.hi= MSR_MC,.lo= 0x0}, /* Catch and fix dynamicly.*/ + {.desc_name=GLIU0_GLD_MSR_COH,.desc_type= OTHER,.hi= 0x0,.lo= GL0_CPU}, + {.desc_name=GL_END, .desc_type= GL_END,.hi= 0x0,.lo= 0x0}, }; + struct gliutable gliu1table[] = { - /* 0x00000-0x7FFFF to GLIU0 */ - {.desc_name = MSR_GLIU1_BASE1, .desc_type = BM, .hi = MSR_GL0 + 0x0,.lo= 0x0FFF80}, - /* 0x80000-0x9ffff to GLIU0 */ - {.desc_name = MSR_GLIU1_BASE2, .desc_type = BM, .hi = MSR_GL0 + 0x0,.lo= (0x80 << 20) +0x0FFFE0}, - /* 0xc0000-0xfffff split to MC and PCI (sub decode) A0000-Bffff handled by SoftVideo */ - {.desc_name = MSR_GLIU1_SHADOW,.desc_type= SC_SHADOW,.hi= MSR_GL0 + 0x0,.lo= 0x03}, - /* Cat0xc and fix dynamicly.*/ - {.desc_name = MSR_GLIU1_SYSMEM,. desc_type = R_SYSMEM,.hi= MSR_GL0,.lo= 0x0}, - /* Cat0xc and fix dynamicly.*/ - {.desc_name = MSR_GLIU1_DMM,.desc_type= BM_DMM,.hi= MSR_GL0,.lo= 0x0}, - /* Cat0xc and fix dynamicly.*/ - {.desc_name = MSR_GLIU1_SMM,.desc_type= BM_SMM,.hi= MSR_GL0,.lo= 0x0}, - {.desc_name = GLIU1_GLD_MSR_COH,.desc_type= OTHER,.hi= 0x0,.lo= GL1_GLIU0}, - /* FooGlue FPU 0xF0*/ - {.desc_name = MSR_GLIU1_FPU_TRAP,.desc_type= SCIO,.hi= (GL1_GLCP << 29) + 0x0,.lo= 0x033000F0}, - {.desc_name = GL_END,.desc_type= GL_END,.hi= 0x0,.lo= 0x0}, + {.desc_name=MSR_GLIU1_BASE1,.desc_type= BM,.hi= MSR_GL0 + 0x0,.lo= 0x0FFF80}, /* 0-7FFFF to MC*/ + {.desc_name=MSR_GLIU1_BASE2,.desc_type= BM,.hi= MSR_GL0 + 0x0,.lo= (0x80 << 20) +0x0FFFE0}, /* 80000-9ffff to Mc*/ + {.desc_name=MSR_GLIU1_SHADOW,.desc_type= SC_SHADOW,.hi= MSR_GL0 + 0x0,.lo= 0x03},/* C0000-Fffff split to MC and PCI (sub decode)*/ + {.desc_name=MSR_GLIU1_SYSMEM,.desc_type= R_SYSMEM,.hi= MSR_GL0,.lo= 0x0}, /* Cat0xc and fix dynamicly.*/ + {.desc_name=MSR_GLIU1_DMM,.desc_type= BM_DMM,.hi= MSR_GL0,.lo= 0x0}, /* Cat0xc and fix dynamicly.*/ + {.desc_name=MSR_GLIU1_SMM,.desc_type= BM_SMM,.hi= MSR_GL0,.lo= 0x0}, /* Cat0xc and fix dynamicly.*/ + {.desc_name=GLIU1_GLD_MSR_COH,.desc_type= OTHER,.hi= 0x0,.lo= GL1_GLIU0}, + {.desc_name=MSR_GLIU1_FPU_TRAP,.desc_type= SCIO,.hi= (GL1_GLCP << 29) + 0x0,.lo= 0x033000F0}, /* FooGlue FPU 0xF0*/ + {.desc_name=GL_END,.desc_type= GL_END,.hi= 0x0,.lo= 0x0}, }; struct gliutable *gliutables[] = {gliu0table, gliu1table, 0}; @@ -270,15 +258,16 @@ SMMGL1Init(struct gliutable *gl) { } static void -GLIUInit(struct gliutable *gl) -{ +GLIUInit(struct gliutable *gl){ + while (gl->desc_type != GL_END){ switch(gl->desc_type){ default: - printk_err("%s: name %x, type %x, hi %x, lo %x: unsupported type: ", - __FUNCTION__, gl->desc_name, gl->desc_type, gl->hi, gl->hi); - printk_err("Must be %x, %x, %x, %x, %x, or %x\n", - SC_SHADOW,R_SYSMEM,BMO_DMM, BM_DMM, BMO_SMM,BM_SMM); + printk_err("%s: name %x, type %x, hi %x, lo %x: unsupported type: ", __FUNCTION__, + gl->desc_name, gl->desc_type, gl->hi, gl->hi); + printk_err("Must be %x, %x, %x, %x, %x, or %x\n", SC_SHADOW,R_SYSMEM,BMO_DMM, + BM_DMM, BMO_SMM,BM_SMM); + case SC_SHADOW: /* Check for a Shadow entry*/ ShadowInit(gl); break; @@ -287,7 +276,7 @@ GLIUInit(struct gliutable *gl) SysmemInit(gl); break; - case BMO_DMM: /* check for a DMM entry*/ + case BMO_DMM: /* check for a DMM entry*/ DMMGL0Init(gl); break; @@ -555,22 +544,18 @@ northbridgeinit(void) int i; printk_debug("Enter %s\n", __FUNCTION__); -/* for(i = 0; gliutables[i]; i++) GLIUInit(gliutables[i]); GeodeLinkPriority(); - */ /* Now that the descriptor to memory is set up.*/ /* The memory controller needs one read to synch it's lines before it can be used.*/ i = *(int *) 0; GLPCIInit(); -/* ClockGatingInit(); - */ __asm__("FINIT\n"); /* CPUBugsFix -- called elsewhere */ printk_debug("Exit %s\n", __FUNCTION__); diff --git a/src/northbridge/amd/gx2/raminit.c b/src/northbridge/amd/gx2/raminit.c index 210172ef8e..636c60b9d2 100644 --- a/src/northbridge/amd/gx2/raminit.c +++ b/src/northbridge/amd/gx2/raminit.c @@ -4,175 +4,6 @@ static void sdram_set_registers(const struct mem_controller *ctrl) { } -/* here is programming for the various MSRs.*/ -#define IM_QWAIT 0x100000 - -#define DMCF_WRITE_SERIALIZE_REQUEST (2<<12) /* 2 outstanding */ /* in high */ -#define DMCF_SERIAL_LOAD_MISSES (2) /* enabled */ - -/* these are the 8-bit attributes for controlling RCONF registers */ -#define CACHE_DISABLE (1<<0) -#define WRITE_ALLOCATE (1<<1) -#define WRITE_PROTECT (1<<2) -#define WRITE_THROUGH (1<<3) -#define WRITE_COMBINE (1<<4) -#define WRITE_SERIALIZE (1<<5) - -/* ram has none of this stuff */ -#define RAM_PROPERTIES (0) -#define DEVICE_PROPERTIES (WRITE_SERIALIZE|CACHE_DISABLE) -#define ROM_PROPERTIES (WRITE_SERIALIZE|WRITE_THROUGH|CACHE_DISABLE) -#define MSR_WS_CD_DEFAULT (0x21212121) - -/* 1810-1817 give you 8 registers with which to program protection regions */ -/* the are region configuration range registers, or RRCF */ -/* in msr terms, the are a straight base, top address assign, since they are 4k aligned. */ -/* so no left-shift needed for top or base */ -#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; - unsigned long hi, lo; -}; - - -const struct msr_defaults msr_defaults [] = { - {0x1700, .hi = 0, .lo = IM_QWAIT}, - {0x1800, .hi = DMCF_WRITE_SERIALIZE_REQUEST, .lo = DMCF_SERIAL_LOAD_MISSES}, - /* 1808 will be done down below, so we have to do 180a->1817 (well, 1813 really) */ - /* for 180a, for now, we assume VSM will configure it */ - /* 180b is left at reset value,a0000-bffff is non-cacheable */ - /* 180c, c0000-dffff is set to write serialize and non-cachable */ - /* oops, 180c will be set by cpu bug handling in cpubug.c */ - //{0x180c, .hi = MSR_WS_CD_DEFAULT, .lo = MSR_WS_CD_DEFAULT}, - /* 180d is left at default, e0000-fffff is non-cached */ - - /* we will assume 180e, the ssm region configuration, is left at default or set by VSM */ - /* we will not set 0x180f, the DMM,yet */ - //{0x1810, .hi=0xee7ff000, .lo=RRCF_LOW(0xee000000, WRITE_COMBINE|CACHE_DISABLE)}, - //{0x1811, .hi = 0xefffb000, .lo = RRCF_LOW_CD(0xefff8000)}, - //{0x1812, .hi = 0xefff7000, .lo = RRCF_LOW_CD(0xefff4000)}, - //{0x1813, .hi = 0xefff3000, .lo = RRCF_LOW_CD(0xefff0000)}, - - /* GeodeLink Routing */ - /* GLIU0 */ - /* 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), - /* 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 */ - /* 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), - /* 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 - - -void -setup_gx2(void) -{ - int i; - unsigned long tmp, tmp2, tmp3; - msr_t msr; - unsigned long sizem, membytes; -#if 0 - sizem = setup_gx2_cache(); - - membytes = sizem * 1048576; - - /* we need to set 0x10000028 and 0x40000029 */ - //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); - msr.hi = 0x20000000 | membytes>>24; - 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); - msr = rdmsr(0x40000029); - //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 */ - tmp = membytes - SMM_OFFSET; - tmp >>= 12; - tmp <<= 8; - tmp |= 0x20000000; - tmp |= (SMM_OFFSET >> 24); - - /* 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); - msr.hi = tmp; - msr.lo = tmp2; - wrmsr(0x10000026, msr); -#else - msr.hi = 0x2000000f; - 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); - wrmsr(0x40000029, msr); - msr = rdmsr(0x40000029); - //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); - - 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); -#endif - /* now do the default MSR values */ - - wrmsr(msr_defaults[0].msr_no, msr); - for(i = 0; msr_defaults[i].msr_no; i++) { - //msr_t msr; - msr.lo = msr_defaults[i].lo; - msr.hi = msr_defaults[i].hi; - wrmsr(msr_defaults[i].msr_no, msr); - //msr = rdmsr(msr_defaults[i].msr_no); - //print_debug("MSR 0x%x is now 0x%x:0x%x\n", msr_defaults[i].msr_no, msr.hi,msr.lo); - } -} - /* Section 6.1.3, LX processor databooks, BIOS Initialization Sequence * Section 4.1.4, GX/CS5535 GeodeROM Porting guide */ static void sdram_enable(int controllers, const struct mem_controller *ctrl) @@ -264,5 +95,5 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl) wrmsr(0x4c00000f, msr); /* DRAM working now?? */ - setup_gx2(); + } -- cgit v1.2.3