#define ASSEMBLY 1 #include #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/amd/model_fxx/apic_timer.c" #include "lib/delay.c" #include "cpu/x86/lapic/boot_cpu.c" #include "northbridge/amd/amdk8/reset_test.c" #include "northbridge/amd/amdk8/debug.c" #include "northbridge/amd/amdk8/cpu_rev.c" #include "superio/winbond/w83627hf/w83627hf_early_serial.c" #include "cpu/amd/mtrr/amd_earlymtrr.c" #include "cpu/x86/bist.h" #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1) /* Look up a which bus a given node/link combination is on. * return 0 when we can't find the answer. */ static unsigned node_link_to_bus(unsigned node, unsigned link) { unsigned reg; for(reg = 0xE0; reg < 0xF0; reg += 0x04) { unsigned config_map; config_map = pci_read_config32(PCI_DEV(0, 0x18, 1), reg); if ((config_map & 3) != 3) { continue; } if ((((config_map >> 4) & 7) == node) && (((config_map >> 8) & 3) == link)) { return (config_map >> 16) & 0xff; } } return 0; } static void hard_reset(void) { device_t dev; /* Find the device */ dev = PCI_DEV(node_link_to_bus(0, 2), 0x04, 3); set_bios_reset(); /* enable cf9 */ pci_write_config8(dev, 0x41, 0xf1); /* reset */ outb(0x0e, 0x0cf9); } static void soft_reset(void) { device_t dev; /* Find the device */ dev = PCI_DEV(node_link_to_bus(0, 2), 0x04, 0); set_bios_reset(); pci_write_config8(dev, 0x47, 1); } static void memreset_setup(void) { if (is_cpu_pre_c0()) { 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 } 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) { if (is_cpu_pre_c0()) { udelay(800); outb((0<<7)|(0<<6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 17); //REVB_MEMRST_L=1 udelay(90); } } #if 0 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 */ /* (L1) (L2) CPU3-------------CPU1 (L0)| |(L0) | | | | | | | | (L0)| |(L0) CPU2-------------CPU0---------8131----------8111 (L2) (L1) (L2) */ /* Link0 of CPU0 to Link0 of CPU1 */ /* Link1 of CPU0 to Link2 of CPU2 */ /* Link2 of CPU1 to Link1 of CPU3 */ /* Link0 of CPU2 to Link0 of CPU3 */ 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; } #endif 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); } static inline int spd_read_byte(unsigned device, unsigned address) { return smbus_read_byte(device, address); } #include "northbridge/amd/amdk8/setup_resource_map.c" #include "northbridge/amd/amdk8/raminit.c" #include "northbridge/amd/amdk8/coherent_ht.c" #include "sdram/generic_sdram.c" /* tyan does not want the default */ #include "resourcemap.c" #if CONFIG_LOGICAL_CPUS==1 #define SET_NB_CFG_54 1 #include "cpu/amd/dualcore/dualcore.c" #endif #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(unsigned long bist) { 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; #if CONFIG_LOGICAL_CPUS==1 struct node_core_id id; #else unsigned nodeid; #endif if (bist == 0) { /* Skip this if there was a built in self test failure */ amd_early_mtrr_init(); #if CONFIG_LOGICAL_CPUS==1 set_apicid_cpuid_lo(); #endif enable_lapic(); init_timer(); #if CONFIG_LOGICAL_CPUS==1 id = get_node_core_id_x(); if(id.coreid == 0) { if (cpu_init_detected(id.nodeid)) { asm volatile ("jmp __cpu_reset"); } distinguish_cpu_resets(id.nodeid); // start_other_core(id.nodeid); } #else nodeid = lapicid(); if (cpu_init_detected(nodeid)) { asm volatile ("jmp __cpu_reset"); } distinguish_cpu_resets(nodeid); #endif if (!boot_cpu() #if CONFIG_LOGICAL_CPUS==1 || (id.coreid != 0) #endif ) { stop_this_cpu(); // it will stop all cores except core0 of cpu0 } } w83627hf_enable_serial(SERIAL_DEV, TTYS0_BASE); uart_init(); console_init(); /* Halt if there was a built in self test failure */ report_bist_failure(bist); setup_s4880_resource_map(); needs_reset = setup_coherent_ht_domain(); #if CONFIG_LOGICAL_CPUS==1 // It is said that we should start core1 after all core0 launched start_other_cores(); #endif #if 0 needs_reset |= ht_setup_chain(PCI_DEV(0, 0x18, 0), 0xc0); #else // automatically set that for you, but you might meet tight space needs_reset |= ht_setup_chains_x(); #endif if (needs_reset) { print_info("ht reset -\r\n"); soft_reset(); } enable_smbus(); memreset_setup(); sdram_initialize(sizeof(cpu)/sizeof(cpu[0]), cpu); }