#define ASSEMBLY 1 #define DEFAULT_CONSOLE_LOGLEVEL 8 #define MAXIMUM_CONSOLE_LOGLEVEL 8 #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 "northbridge/amd/amdk8/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); } static void memreset_setup(void) { if (is_cpu_pre_c0()) { /* Set the memreset low */ outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 16); /* Ensure the BIOS has control of the memory lines */ outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 17); } else { /* Ensure the CPU has controll of the memory lines */ outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 17); } } static void memreset(int controllers, const struct mem_controller *ctrl) { if (is_cpu_pre_c0()) { udelay(800); /* Set memreset_high */ outb((0<<7)|(0<<6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 16); 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 */ /* CPU0 LDT0 <-> LDT0 CPU1 */ static const unsigned int rows_2p[2][2] = { { 0x00030101, 0x00010202 }, { 0x00010202, 0x00030101 } }; if (maxnodes > 2) { print_debug("this mainboard is only designed for 2 cpus\r\n"); maxnodes = 2; } if (!(node >= maxnodes || row >= maxnodes)) { ret = rows_2p[node][row]; } return ret; } static inline void activate_spd_rom(const struct mem_controller *ctrl) { /* nothing to do */ } static inline int spd_read_byte(unsigned device, unsigned address) { return smbus_read_byte(device, address); } #include "northbridge/amd/amdk8/raminit.c" #include "northbridge/amd/amdk8/coherent_ht.c" #include "sdram/generic_sdram.c" #include "resourcemap.c" #define FIRST_CPU 1 #define SECOND_CPU 1 #define TOTAL_CPUS (FIRST_CPU + SECOND_CPU) static void main(void) { /* * GPIO28 of 8111 will control H0_MEMRESET_L * GPIO29 of 8111 will control H1_MEMRESET_L */ 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 = { (0xa<<3)|0, (0xa<<3)|2, 0, 0 }, .channel1 = { (0xa<<3)|1, (0xa<<3)|3, 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 = { (0xa<<3)|4, (0xa<<3)|6, 0, 0 }, .channel1 = { (0xa<<3)|5, (0xa<<3)|7, 0, 0 }, }, #endif }; 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(); #if 0 print_pci_devices(); #endif setup_amd_serenade_resource_map(); needs_reset = setup_coherent_ht_domain(); /* non-coherent HT is on LDT2 */ needs_reset |= ht_setup_chain(PCI_DEV(0, 0x18, 0), 0xC0); if (needs_reset) { print_info("ht reset -\r\n"); soft_reset(); } #if 1 print_pci_devices(); #endif enable_smbus(); #if 0 dump_spd_registers(&cpu[0]); #endif memreset_setup(); sdram_initialize(sizeof(cpu)/sizeof(cpu[0]), cpu); #if 0 dump_pci_devices(); #endif print_pci_devices(); #if 0 dump_pci_device(PCI_DEV(0, 0x18, 2)); #endif #if 0 /* Check the first 1M */ ram_check(0x00000000, 0x001000000); #endif }