#define ASSEMBLY 1 #include #include #include #include #include #include #include "option_table.h" #include "pc80/mc146818rtc_early.c" #include "pc80/serial.c" #include "arch/i386/lib/console.c" #include "ram/ramtest.c" #include "northbridge/amd/amdk8/incoherent_ht.c" #include "southbridge/amd/amd8111/amd8111_early_smbus.c" #include "northbridge/amd/amdk8/raminit.h" #include "cpu/k8/apic_timer.c" #include "lib/delay.c" #include "cpu/p6/boot_cpu.c" #include "northbridge/amd/amdk8/reset_test.c" #include "debug.c" #include "northbridge/amd/amdk8/cpu_rev.c" #include "superio/winbond/w83627hf/w83627hf_early_serial.c" #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1) static void hard_reset(void) { set_bios_reset(); /* enable cf9 */ pci_write_config8(PCI_DEV(0, 0x04, 3), 0x41, 0xf1); /* reset */ outb(0x0e, 0x0cf9); } static void soft_reset(void) { set_bios_reset(); pci_write_config8(PCI_DEV(0, 0x04, 0), 0x47, 1); } #define REV_B_RESET 0 static void memreset_setup(void) { #if REV_B_RESET==1 outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 16); //REVC_MEMRST_EN=0 #else outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 16); //REVC_MEMRST_EN=1 #endif outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 17); } static void memreset(int controllers, const struct mem_controller *ctrl) { udelay(800); #if REV_B_RESET==1 outb((0<<7)|(0<<6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 17); //REVB_MEMRST_L=1 #endif udelay(90); } static unsigned int generate_row(uint8_t node, uint8_t row, uint8_t maxnodes) { /* Routing Table Node i * * F0: 0x40, 0x44, 0x48, 0x4c, 0x50, 0x54, 0x58, 0x5c * i: 0, 1, 2, 3, 4, 5, 6, 7 * * [ 0: 3] Request Route * [0] Route to this node * [1] Route to Link 0 * [2] Route to Link 1 * [3] Route to Link 2 * [11: 8] Response Route * [0] Route to this node * [1] Route to Link 0 * [2] Route to Link 1 * [3] Route to Link 2 * [19:16] Broadcast route * [0] Route to this node * [1] Route to Link 0 * [2] Route to Link 1 * [3] Route to Link 2 */ uint32_t ret=0x00010101; /* default row entry */ static const unsigned int rows_4p[4][4] = { { 0x00070101, 0x00010202, 0x00030404, 0x00010204 }, { 0x00010202, 0x000b0101, 0x00010208, 0x00030808 }, { 0x00030808, 0x00010208, 0x000b0101, 0x00010202 }, { 0x00010204, 0x00030404, 0x00010202, 0x00070101 } }; if (!(node>=maxnodes || row>=maxnodes)) { ret=rows_4p[node][row]; } return ret; } static inline void activate_spd_rom(const struct mem_controller *ctrl) { #define SMBUS_HUB 0x18 unsigned device=(ctrl->channel0[0])>>8; smbus_write_byte(SMBUS_HUB , 0x01, device); smbus_write_byte(SMBUS_HUB , 0x03, 0); } #if 0 static inline void change_i2c_mux(unsigned device) { #define SMBUS_HUB 0x18 smbus_write_byte(SMBUS_HUB , 0x01, device); smbus_write_byte(SMBUS_HUB , 0x03, 0); } #endif static inline int spd_read_byte(unsigned device, unsigned address) { return smbus_read_byte(device, address); } /* include mainboard specific ht code */ #include "hypertransport.c" #include "northbridge/amd/amdk8/raminit.c" #include "northbridge/amd/amdk8/coherent_ht.c" #include "sdram/generic_sdram.c" #include "resourcemap.c" /* tyan does not want the default */ #define FIRST_CPU 1 #define SECOND_CPU 1 #define THIRD_CPU 1 #define FOURTH_CPU 1 #define TOTAL_CPUS (FIRST_CPU + SECOND_CPU + THIRD_CPU + FOURTH_CPU) #define RC0 ((1<<1)<<8) #define RC1 ((1<<2)<<8) #define RC2 ((1<<3)<<8) #define RC3 ((1<<4)<<8) #define DIMM0 0x50 #define DIMM1 0x51 #define DIMM2 0x52 #define DIMM3 0x53 static void main(void) { static const struct mem_controller cpu[] = { #if FIRST_CPU { .node_id = 0, .f0 = PCI_DEV(0, 0x18, 0), .f1 = PCI_DEV(0, 0x18, 1), .f2 = PCI_DEV(0, 0x18, 2), .f3 = PCI_DEV(0, 0x18, 3), .channel0 = { RC0|DIMM0, RC0|DIMM2, 0, 0 }, .channel1 = { RC0|DIMM1, RC0|DIMM3, 0, 0 }, }, #endif #if SECOND_CPU { .node_id = 1, .f0 = PCI_DEV(0, 0x19, 0), .f1 = PCI_DEV(0, 0x19, 1), .f2 = PCI_DEV(0, 0x19, 2), .f3 = PCI_DEV(0, 0x19, 3), .channel0 = { RC1|DIMM0, 0 , 0, 0 }, .channel1 = { RC1|DIMM1, 0, 0, 0 }, }, #endif #if THIRD_CPU { .node_id = 2, .f0 = PCI_DEV(0, 0x1a, 0), .f1 = PCI_DEV(0, 0x1a, 1), .f2 = PCI_DEV(0, 0x1a, 2), .f3 = PCI_DEV(0, 0x1a, 3), .channel0 = { RC2|DIMM0, 0, 0, 0 }, .channel1 = { RC2|DIMM1, 0, 0, 0 }, }, #endif #if FOURTH_CPU { .node_id = 3, .f0 = PCI_DEV(0, 0x1b, 0), .f1 = PCI_DEV(0, 0x1b, 1), .f2 = PCI_DEV(0, 0x1b, 2), .f3 = PCI_DEV(0, 0x1b, 3), .channel0 = { RC3|DIMM0, 0, 0, 0 }, .channel1 = { RC3|DIMM1, 0, 0, 0 }, }, #endif }; int i; int needs_reset; enable_lapic(); init_timer(); if (cpu_init_detected()) { asm("jmp __cpu_reset"); } distinguish_cpu_resets(); if (!boot_cpu()) { stop_this_cpu(); } w83627hf_enable_serial(SERIAL_DEV, TTYS0_BASE); uart_init(); console_init(); setup_s4880_resource_map(); needs_reset = setup_coherent_ht_domain(); needs_reset |= ht_setup_chain(PCI_DEV(0, 0x18, 0), 0x80); if (needs_reset) { print_info("ht reset -"); soft_reset(); } #if 0 dump_pci_devices(); #endif enable_smbus(); #if 0 // activate_spd_rom(&cpu[0]); // dump_spd_registers(&cpu[0]); // for(i=0;i<4;i++) { // activate_spd_rom(&cpu[i]); // dump_smbus_registers(); // } for(i=1;i<256;i=i*2) { change_i2c_mux(i); dump_smbus_registers(); } #endif memreset_setup(); sdram_initialize(sizeof(cpu)/sizeof(cpu[0]), cpu); #if 0 dump_pci_devices(); #endif #if 0 dump_pci_device(PCI_DEV(0, 0x18, 1)); #endif /* Check all of memory */ #if 0 msr_t msr; msr = rdmsr(TOP_MEM2); print_debug("TOP_MEM2: "); print_debug_hex32(msr.hi); print_debug_hex32(msr.lo); print_debug("\r\n"); #endif /* #if 0 ram_check(0x00000000, msr.lo+(msr.hi<<32)); #else #if TOTAL_CPUS < 2 // Check 16MB of memory @ 0 ram_check(0x00000000, 0x01000000); #else // Check 16MB of memory @ 2GB ram_check(0x80000000, 0x81000000); #endif #endif */ }