diff options
author | Indrek Kruusa <Indrek Kruusa> | 2006-09-13 21:59:09 +0000 |
---|---|---|
committer | Ronald G. Minnich <rminnich@gmail.com> | 2006-09-13 21:59:09 +0000 |
commit | 7d9441276f144f0ffc5fe1523daaa63f916b9a25 (patch) | |
tree | 89d63109b6ccf8944a2db120a0dce9cd005030ba /src/northbridge/amd/lx/northbridge.c | |
parent | 5c16ebde91142174ab4199a9b0eb2d2d2232b107 (diff) |
changes for the lx and artecgroup mobo
Signed-off-by: Indrek Kruusa
Approved-by: Ronald G. Minnich
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2412 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/northbridge/amd/lx/northbridge.c')
-rw-r--r-- | src/northbridge/amd/lx/northbridge.c | 472 |
1 files changed, 282 insertions, 190 deletions
diff --git a/src/northbridge/amd/lx/northbridge.c b/src/northbridge/amd/lx/northbridge.c index 14617243dd..7d84c5c2d3 100644 --- a/src/northbridge/amd/lx/northbridge.c +++ b/src/northbridge/amd/lx/northbridge.c @@ -14,41 +14,6 @@ #include <cpu/x86/msr.h> #include <cpu/x86/cache.h> #include <cpu/amd/vr.h> -#define VIDEO_MB 8 - -extern void graphics_init(void); - -#define NORTHBRIDGE_FILE "northbridge.c" - -/* 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. - */ -int -sizeram(void) -{ - msr_t msr; - int sizem = 0; - unsigned short dimm; - - msr = rdmsr(0x20000018); - printk_debug("sizeram: %08x:%08x\n", msr.hi, msr.lo); - - /* dimm 0 */ - dimm = msr.hi; - /* installed? */ - if ((dimm & 7) != 7) - sizem = (1 << ((dimm >> 12)-1)) * 8; - - - /* dimm 1*/ - dimm = msr.hi >> 16; - /* installed? */ - if ((dimm & 7) != 7) - sizem += (1 << ((dimm >> 12)-1)) * 8; - - printk_debug("sizeram: sizem 0x%x\n", sizem); - return sizem; -} /* here is programming for the various MSRs.*/ @@ -87,7 +52,15 @@ sizeram(void) #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 BRIDGE_IO_MASK (IORESOURCE_IO | IORESOURCE_MEM) + +extern void graphics_init(void); +extern void cpubug(void); +void northbridge_init_early(void); +void chipsetinit(struct northbridge_amd_lx_config *nb); +void setup_realmode_idt(void); +void do_vsmbios(void); struct msr_defaults { int msr_no; @@ -111,16 +84,44 @@ struct msr_defaults { //{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, 0xC0000), + P2D_BM(MSR_GLIU0_BASE1, 0x1, 0x0, 0x0, 0xfff80), + P2D_BM(MSR_GLIU0_BASE2, 0x1, 0x0, 0x80000, 0xfffe0), + P2D_SC(MSR_GLIU0_SHADOW, 0x1, 0x0, 0x0, 0xff03, 0xC0000), /* GLIU1 */ - P2D_BM(0x40000020, 0x1, 0x0, 0x0, 0xfff80), - P2D_BM(0x40000021, 0x1, 0x0, 0x80000, 0xfffe0), - P2D_SC(0x4000002e, 0x1, 0x0, 0x0, 0xff03, 0xC0000), // GX3 0x4000002d -> 0x4000002e + P2D_BM(MSR_GLIU1_BASE1, 0x1, 0x0, 0x0, 0xfff80), + P2D_BM(MSR_GLIU1_BASE2, 0x1, 0x0, 0x80000, 0xfffe0), + P2D_SC(MSR_GLIU1_SHADOW, 0x1, 0x0, 0x0, 0xff03, 0xC0000), {0} }; +/* 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. + */ +int +sizeram(void) +{ + msr_t msr; + int sizem = 0; + unsigned short dimm; + + msr = rdmsr(0x20000018); + printk_debug("sizeram: %08x:%08x\n", msr.hi, msr.lo); + + /* dimm 0 */ + dimm = msr.hi; + sizem = (1 << ((dimm >> 12)-1)) * 8; + + + /* dimm 1*/ + dimm = msr.hi >> 16; + /* installed? */ + if ((dimm & 7) != 7) + sizem += (1 << ((dimm >> 12)-1)) * 8; + + printk_debug("sizeram: sizem 0x%x\n", sizem); + return sizem; +} + /* note that dev is NOT used -- yet */ static void irq_init_steering(struct device *dev, uint16_t irq_map) { /* Set up IRQ steering */ @@ -173,13 +174,19 @@ setup_lx_cache(void) /* yank off memory for the SMM handler */ sizekbytes -= SMM_SIZE; sizereg = sizekbytes; - sizereg *= 1024; // convert to bytes - sizereg >>= 12; + sizereg >>= 2; sizereg <<= 8; val |= sizereg; val |= RAM_PROPERTIES; msr.lo = val; msr.hi = (val >> 32); + + // GX3 + //msr.hi = 0x04FFFC02; + //msr.lo = 0x1077BE00; + + //sizekbytes = 122616; + printk_debug("msr 0x%08X will be set to %08x:%08x\n", CPU_RCONF_DEFAULT, msr.hi, msr.lo); wrmsr(CPU_RCONF_DEFAULT, msr); @@ -199,6 +206,7 @@ setup_lx(void) size_kb = setup_lx_cache(); +#if 0 // andrei: this is done in northbridge.c SMMGL0Init and SystemInit! membytes = size_kb * 1024; /* NOTE! setup_lx_cache returns the SIZE OF RAM - RAMADJUST! * so it is safe to use. You should NOT at this point call @@ -211,23 +219,7 @@ setup_lx(void) * SYSTOP (a.k.a. TOM, or Top of Memory) */ -#if 0 - /* This has already been done elsewhere */ - printk_debug("size_kb 0x%x, membytes 0x%x\n", size_kb, 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); -#endif -#if 0 - 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); -#endif -#if 1 + /* fixme: SMM MSR 0x10000026 and 0x400000023 */ /* calculate the OFFSET field */ tmp = membytes - SMM_OFFSET; @@ -244,37 +236,135 @@ setup_lx(void) msr.lo = tmp2; wrmsr(0x10000026, msr); #endif -#if 0 - - 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); -#endif -#if 0 - 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 -#if 0 // SDG - don't do this - /* 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 - see table above - msr = rdmsr(msr_defaults[i].msr_no); - printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", msr_defaults[i].msr_no, msr.hi,msr.lo); - } -#endif } static void enable_shadow(device_t dev) { - } +void print_conf(void) { + int i; + unsigned long iol; + msr_t msr; + + int cpu_msr_defs[] = { L2_CONFIG_MSR, CPU_IM_CONFIG, + CPU_DM_CONFIG0, CPU_DM_CONFIG1, CPU_DM_PFLOCK, CPU_RCONF_DEFAULT, + CPU_RCONF_BYPASS, CPU_RCONF_A0_BF, CPU_RCONF_C0_DF, CPU_RCONF_E0_FF, + CPU_RCONF_SMM, CPU_RCONF_DMM, GLCP_DELAY_CONTROLS, GL_END + }; + + int gliu0_msr_defs[] = {MSR_GLIU0_BASE1, MSR_GLIU0_BASE2, MSR_GLIU0_BASE3, MSR_GLIU0_BASE4, MSR_GLIU0_BASE5, MSR_GLIU0_BASE6, + GLIU0_P2D_BMO_0, GLIU0_P2D_BMO_1, MSR_GLIU0_SYSMEM, + GLIU0_P2D_RO_0, GLIU0_P2D_RO_1, GLIU0_P2D_RO_2, MSR_GLIU0_SHADOW, + GLIU0_IOD_BM_0, GLIU0_IOD_BM_1, GLIU0_IOD_BM_2, + GLIU0_IOD_SC_0, GLIU0_IOD_SC_1, GLIU0_IOD_SC_2, GLIU0_IOD_SC_3, GLIU0_IOD_SC_4, GLIU0_IOD_SC_5, + GLIU0_GLD_MSR_COH, GL_END + }; + + int gliu1_msr_defs[] = {MSR_GLIU1_BASE1, MSR_GLIU1_BASE2, MSR_GLIU1_BASE3, MSR_GLIU1_BASE4, MSR_GLIU1_BASE5, MSR_GLIU1_BASE6, + MSR_GLIU1_BASE7, MSR_GLIU1_BASE8, MSR_GLIU1_BASE9, MSR_GLIU1_BASE10, + GLIU1_P2D_R_0, GLIU1_P2D_R_1, GLIU1_P2D_R_2, GLIU1_P2D_R_3, MSR_GLIU1_SHADOW, + GLIU1_IOD_BM_0, GLIU1_IOD_BM_1, GLIU1_IOD_BM_2, + GLIU1_IOD_SC_0, GLIU1_IOD_SC_1, GLIU1_IOD_SC_2, GLIU1_IOD_SC_3, + GLIU1_GLD_MSR_COH, GL_END + }; + + int rconf_msr[] = { CPU_RCONF0, CPU_RCONF1, CPU_RCONF2, CPU_RCONF3, CPU_RCONF4, + CPU_RCONF5, CPU_RCONF6, CPU_RCONF7, GL_END + }; + + int cs5536_msr[] = { MDD_LBAR_GPIO, MDD_LBAR_FLSH0, MDD_LBAR_FLSH1, MDD_LEG_IO, MDD_PIN_OPT, + MDD_IRQM_ZLOW, MDD_IRQM_ZHIGH, MDD_IRQM_PRIM, GL_END + }; + + int pci_msr[] = { GLPCI_CTRL, GLPCI_ARB, GLPCI_REN, GLPCI_A0_BF, GLPCI_C0_DF, GLPCI_E0_FF, + GLPCI_RC0, GLPCI_RC1, GLPCI_RC2, GLPCI_RC3, GLPCI_EXT_MSR, GLPCI_SPARE, + GL_END + }; + + int dma_msr[] = { MDD_DMA_MAP, MDD_DMA_SHAD1, MDD_DMA_SHAD2, MDD_DMA_SHAD3, MDD_DMA_SHAD4, + MDD_DMA_SHAD5, MDD_DMA_SHAD6, MDD_DMA_SHAD7, MDD_DMA_SHAD8, + MDD_DMA_SHAD9, GL_END + }; + + + printk_debug("---------- CPU ------------\n"); + + for(i = 0; cpu_msr_defs[i] != GL_END; i++) { + msr = rdmsr(cpu_msr_defs[i]); + printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", cpu_msr_defs[i], msr.hi, msr.lo); + } + + printk_debug("---------- GLIU 0 ------------\n"); + + for(i = 0; gliu0_msr_defs[i] != GL_END; i++) { + msr = rdmsr(gliu0_msr_defs[i]); + printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", gliu0_msr_defs[i], msr.hi, msr.lo); + } + + printk_debug("---------- GLIU 1 ------------\n"); + + for(i = 0; gliu1_msr_defs[i] != GL_END; i++) { + msr = rdmsr(gliu1_msr_defs[i]); + printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", gliu1_msr_defs[i], msr.hi, msr.lo); + } + + printk_debug("---------- RCONF ------------\n"); + + for(i = 0; rconf_msr[i] != GL_END; i++) { + msr = rdmsr(rconf_msr[i]); + printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", rconf_msr[i], msr.hi, msr.lo); + } + + printk_debug("---------- VARIA ------------\n"); + msr = rdmsr(0x51300010); + printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", 0x51300010, msr.hi, msr.lo); + + msr = rdmsr(0x51400015); + printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", 0x51400015, msr.hi, msr.lo); + + printk_debug("---------- DIVIL IRQ ------------\n"); + msr = rdmsr(MDD_IRQM_YLOW); + printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", MDD_IRQM_YLOW, msr.hi, msr.lo); + msr = rdmsr(MDD_IRQM_YHIGH); + printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", MDD_IRQM_YHIGH, msr.hi, msr.lo); + msr = rdmsr(MDD_IRQM_ZLOW); + printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", MDD_IRQM_ZLOW, msr.hi, msr.lo); + msr = rdmsr(MDD_IRQM_ZHIGH); + printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", MDD_IRQM_ZHIGH, msr.hi, msr.lo); + + + printk_debug("---------- PCI ------------\n"); + + for(i = 0; pci_msr[i] != GL_END; i++) { + msr = rdmsr(pci_msr[i]); + printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", pci_msr[i], msr.hi, msr.lo); + } + + printk_debug("---------- LPC/UART DMA ------------\n"); + + for(i = 0; dma_msr[i] != GL_END; i++) { + msr = rdmsr(dma_msr[i]); + printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", dma_msr[i], msr.hi, msr.lo); + } + + printk_debug("---------- CS5536 ------------\n"); + + for(i = 0; cs5536_msr[i] != GL_END; i++) { + msr = rdmsr(cs5536_msr[i]); + printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", cs5536_msr[i], msr.hi, msr.lo); + } + + iol = inl(GPIOL_INPUT_ENABLE); + printk_debug("IOR 0x%08X is now 0x%08X\n", GPIOL_INPUT_ENABLE, iol); + iol = inl(GPIOL_EVENTS_ENABLE); + printk_debug("IOR 0x%08X is now 0x%08X\n", GPIOL_EVENTS_ENABLE, iol); + iol = inl(GPIOL_INPUT_INVERT_ENABLE); + printk_debug("IOR 0x%08X is now 0x%08X\n", GPIOL_INPUT_INVERT_ENABLE, iol); + iol = inl(GPIO_MAPPER_X); + printk_debug("IOR 0x%08X is now 0x%08X\n", GPIO_MAPPER_X, iol); + +} static void enable_L2_cache(void) { msr_t msr; @@ -306,19 +396,75 @@ static void enable_L2_cache(void) { printk_debug("L2 cache enabled\n"); } - static void northbridge_init(device_t dev) { + //msr_t msr; struct northbridge_amd_lx_config *nb = (struct northbridge_amd_lx_config *)dev->chip_info; - printk_debug("northbridge: %s()\n", __FUNCTION__); + + printk_spew(">> Entering northbridge.c: %s\n", __FUNCTION__); enable_shadow(dev); - irq_init_steering(dev, nb->irqmap); + /* + * Swiss cheese + */ + //msr = rdmsr(MSR_GLIU0_SHADOW); + + //msr.hi |= 0x3; + //msr.lo |= 0x30000; + +// not needed (also irq steering is in legacy vsm so it wouldnt work either) +// irq_init_steering(dev, nb->irqmap); + + //printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", MSR_GLIU0_SHADOW, msr.hi, msr.lo); + //printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", MSR_GLIU1_SHADOW, msr.hi, msr.lo); +} + +void northbridge_set_resources(struct device *dev) +{ + struct resource *resource, *last; + unsigned link; + uint8_t line; + + last = &dev->resource[dev->resources]; + + for(resource = &dev->resource[0]; resource < last; resource++) + { + + // andrei: do not change the base address, it will make the VSA virtual registers unusable + //pci_set_resource(dev, resource); + // FIXME: static allocation may conflict with dynamic mappings! + } + + for(link = 0; link < dev->links; link++) { + struct bus *bus; + bus = &dev->link[link]; + if (bus->children) { + printk_debug("my_dev_set_resources: assign_resources %d\n", bus); + assign_resources(bus); + } + } + + /* set a default latency timer */ + pci_write_config8(dev, PCI_LATENCY_TIMER, 0x40); + + /* set a default secondary latency timer */ + if ((dev->hdr_type & 0x7f) == PCI_HEADER_TYPE_BRIDGE) { + pci_write_config8(dev, PCI_SEC_LATENCY_TIMER, 0x40); + } + + /* zero the irq settings */ + line = pci_read_config8(dev, PCI_INTERRUPT_PIN); + if (line) { + pci_write_config8(dev, PCI_INTERRUPT_LINE, 0); + } + + /* set the cache line size, so far 64 bytes is good for everyone */ + pci_write_config8(dev, PCI_CACHE_LINE_SIZE, 64 >> 2); } static struct device_operations northbridge_operations = { .read_resources = pci_dev_read_resources, - .set_resources = pci_dev_set_resources, + .set_resources = northbridge_set_resources, .enable_resources = pci_dev_enable_resources, .init = northbridge_init, .enable = 0, @@ -328,16 +474,14 @@ static struct device_operations northbridge_operations = { static struct pci_driver northbridge_driver __pci_driver = { .ops = &northbridge_operations, .vendor = PCI_VENDOR_ID_AMD, - .device = PCI_DEVICE_ID_AMD_LX, + .device = PCI_DEVICE_ID_AMD_LXBRIDGE, }; -#define BRIDGE_IO_MASK (IORESOURCE_IO | IORESOURCE_MEM) static void pci_domain_read_resources(device_t dev) { struct resource *resource; - - printk_spew("%s:%s()\n", NORTHBRIDGE_FILE, __FUNCTION__); + printk_spew(">> Entering northbridge.c: %s\n", __FUNCTION__); /* Initialize the system wide io space constraints */ resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0,0)); @@ -355,96 +499,64 @@ static void ram_resource(device_t dev, unsigned long index, { struct resource *resource; - if (!sizek) { - return; - } + if (!sizek) return; + resource = new_resource(dev, index); resource->base = ((resource_t)basek) << 10; resource->size = ((resource_t)sizek) << 10; - resource->flags = IORESOURCE_MEM | IORESOURCE_CACHEABLE | \ + resource->flags = IORESOURCE_MEM | IORESOURCE_CACHEABLE | IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED; } -static void tolm_test(void *gp, struct device *dev, struct resource *new) +static void pci_domain_set_resources(device_t dev) { - struct resource **best_p = gp; - struct resource *best; - best = *best_p; - if (!best || (best->base > new->base)) { - best = new; - } - *best_p = best; -} + int idx; + device_t mc_dev; -#if 0 -static uint32_t find_pci_tolm(struct bus *bus) -{ - struct resource *min; - uint32_t tolm; - min = 0; - search_bus_resources(bus, IORESOURCE_MEM, IORESOURCE_MEM, tolm_test, &min); - tolm = 0xffffffffUL; - if (min && tolm > min->base) { - tolm = min->base; + printk_spew(">> Entering northbridge.c: %s\n", __FUNCTION__); + + mc_dev = dev->link[0].children; + if (mc_dev) + { + /* Report the memory regions */ + idx = 10; + ram_resource(dev, idx++, 0, 640); + ram_resource(dev, idx++, 1024, ((sizeram() - VIDEO_MB) * 1024) - SMM_SIZE - 1024); } - return tolm; + + assign_resources(&dev->link[0]); } -#endif -#define FRAMEBUFFERK 4096 -static void pci_domain_set_resources(device_t dev) +static void pci_domain_enable(device_t dev) { -#if 0 - device_t mc_dev; - uint32_t pci_tolm; + struct northbridge_amd_lx_config *nb = (struct northbridge_amd_lx_config *)dev->chip_info; - pci_tolm = find_pci_tolm(&dev->link[0]); - mc_dev = dev->link[0].children; - if (mc_dev) { - unsigned int tomk, tolmk; - unsigned int ramreg = 0; - int i, idx; - unsigned int *bcdramtop = (unsigned int *)(GX_BASE + BC_DRAM_TOP); - unsigned int *mcgbaseadd = (unsigned int *)(GX_BASE + MC_GBASE_ADD); - - for(i=0; i<0x20; i+= 0x10) { - unsigned int *mcreg = (unsigned int *)(GX_BASE + MC_BANK_CFG); - unsigned int mem_config = *mcreg; - - if (((mem_config & (DIMM_PG_SZ << i)) >> (4 + i)) == 7) - continue; - ramreg += 1 << (((mem_config & (DIMM_SZ << i)) >> (i + 8)) + 2); - } - - tomk = ramreg << 10; + printk_spew(">> Entering northbridge.c: %s\n", __FUNCTION__); - /* Sort out the framebuffer size */ - tomk -= FRAMEBUFFERK; - *bcdramtop = ((tomk << 10) - 1); - *mcgbaseadd = (tomk >> 9); + // do this here for now -- this chip really breaks our device model + enable_L2_cache(); + northbridge_init_early(); + cpubug(); + chipsetinit(nb); + setup_lx(); + setup_realmode_idt(); - printk_debug("BC_DRAM_TOP = 0x%08x\n", *bcdramtop); - printk_debug("MC_GBASE_ADD = 0x%08x\n", *mcgbaseadd); + printk_debug("Before VSA:\n"); + print_conf(); - printk_debug("I would set ram size to %d Mbytes\n", (tomk >> 10)); + do_vsmbios(); // do the magic stuff here, so prepare your tambourine ;) + + printk_debug("After VSA:\n"); + print_conf(); - /* Compute the top of Low memory */ - tolmk = pci_tolm >> 10; - if (tolmk >= tomk) { - /* The PCI hole does does not overlap the memory. - */ - tolmk = tomk; - } - /* Report the memory regions */ - idx = 10; - ram_resource(dev, idx++, 0, tolmk); - } -#endif - assign_resources(&dev->link[0]); + graphics_init(); + pci_set_method(dev); } static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max) { + printk_spew(">> Entering northbridge.c: %s\n", __FUNCTION__); + max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max); return max; } @@ -453,12 +565,14 @@ static struct device_operations pci_domain_ops = { .read_resources = pci_domain_read_resources, .set_resources = pci_domain_set_resources, .enable_resources = enable_childrens_resources, - .init = 0, .scan_bus = pci_domain_scan_bus, + .enable = pci_domain_enable, }; static void cpu_bus_init(device_t dev) { + printk_spew(">> Entering northbridge.c: %s\n", __FUNCTION__); + initialize_cpus(&dev->link[0]); } @@ -474,38 +588,16 @@ static struct device_operations cpu_bus_ops = { .scan_bus = 0, }; -void chipsetInit (void); - static void enable_dev(struct device *dev) { - printk_debug("lx north: enable_dev\n"); - void northbridgeinit(void); - void chipsetinit(struct northbridge_amd_lx_config *nb); - void setup_realmode_idt(void); - void do_vsmbios(void); + printk_spew(">> Entering northbridge.c: %s with path %d\n", + __FUNCTION__, dev->path.type); + /* Set the operations if it is a special bus type */ - if (dev->path.type == DEVICE_PATH_PCI_DOMAIN) { - struct northbridge_amd_lx_config *nb = (struct northbridge_amd_lx_config *)dev->chip_info; - extern void cpubug(void); - printk_debug("DEVICE_PATH_PCI_DOMAIN\n"); - /* cpubug MUST be called before setup_lx(), so we force the issue here */ - enable_L2_cache(); - northbridgeinit(); - /* cpubug(); GX3*/ - chipsetinit(nb); - setup_lx(); - /* do this here for now -- this chip really breaks our device model */ - setup_realmode_idt(); - do_vsmbios(); - graphics_init(); + if (dev->path.type == DEVICE_PATH_PCI_DOMAIN) dev->ops = &pci_domain_ops; - pci_set_method(dev); - ram_resource(dev, 0, 0, ((sizeram() - VIDEO_MB) * 1024) - SMM_SIZE); - } else if (dev->path.type == DEVICE_PATH_APIC_CLUSTER) { - printk_debug("DEVICE_PATH_APIC_CLUSTER\n"); + else if (dev->path.type == DEVICE_PATH_APIC_CLUSTER) dev->ops = &cpu_bus_ops; - } - printk_debug("lx north: end enable_dev\n"); } struct chip_operations northbridge_amd_lx_ops = { |