#include #include #include #include #include #include #include #include #include #include #include #include "northbridge/amd/amdk8/incoherent_ht.c" #include #include #include #include #include "northbridge/amd/amdk8/reset_test.c" #include "northbridge/amd/amdk8/debug.c" #include #include #include #include "northbridge/amd/amdk8/setup_resource_map.c" #define SERIAL_DEV PNP_DEV(0x2e, W83627THG_SP1) static void memreset_setup(void) { } static void memreset(int controllers, const struct mem_controller *ctrl) { } static void activate_spd_rom(const struct mem_controller *ctrl) { } 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 "lib/generic_sdram.c" #include "cpu/amd/dualcore/dualcore.c" #include #include "southbridge/nvidia/ck804/early_setup_car.c" #include "cpu/amd/model_fxx/init_cpus.c" #if CONFIG_SET_FIDVID #include "cpu/amd/model_fxx/fidvid.c" #endif #include "northbridge/amd/amdk8/early_ht.c" static void sio_setup(void) { uint32_t dword; uint8_t byte; /* subject decoding*/ byte = pci_read_config8(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0x7b); byte |= 0x20; pci_write_config8(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0x7b, byte); /* LPC Positive Decode 0 */ dword = pci_read_config32(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0xa0); /* Serial 0, Serial 1 */ dword |= (1<<0) | (1<<1); pci_write_config32(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0xa0, dword); } void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) { static const uint16_t spd_addr [] = { DIMM0, 0, 0, 0, DIMM1, 0, 0, 0, }; int needs_reset; unsigned bsp_apicid = 0, nodes; struct mem_controller ctrl[8]; if (!cpu_init_detectedx && boot_cpu()) { /* Nothing special needs to be done to find bus 0 */ /* Allow the HT devices to be found */ enumerate_ht_chain(); sio_setup(); } if (bist == 0) bsp_apicid = init_cpus(cpu_init_detectedx); // post_code(0x32); winbond_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); console_init(); /* Halt if there was a built in self test failure */ report_bist_failure(bist); #if 0 dump_pci_device(PCI_DEV(0, 0x18, 0)); #endif needs_reset = setup_coherent_ht_domain(); wait_all_core0_started(); // It is said that we should start core1 after all core0 launched start_other_cores(); wait_all_other_cores_started(bsp_apicid); #if CONFIG_SET_FIDVID /* Check to see if processor is capable of changing FIDVID */ /* otherwise it will throw a GP# when reading FIDVID_STATUS */ if ((cpuid_edx(0x80000007) & 0x6) == 0x6) { msr_t msr; /* Read FIDVID_STATUS */ msr = rdmsr(0xc0010042); printk(BIOS_DEBUG, "begin msr fid, vid: hi=0x%x, lo=0x%x\n", msr.hi, msr.lo); enable_fid_change(); init_fidvid_bsp(bsp_apicid); msr = rdmsr(0xc0010042); printk(BIOS_DEBUG, "end msr fid, vid: hi=0x%x, lo=0x%x\n", msr.hi, msr.lo); } #endif needs_reset |= ht_setup_chains_x(); needs_reset |= ck804_early_setup_x(); if (needs_reset) { printk(BIOS_INFO, "ht reset -\n"); soft_reset(); } allow_all_aps_stop(bsp_apicid); nodes = get_nodes(); //It's the time to set ctrl now; fill_mem_ctrl(nodes, ctrl, spd_addr); enable_smbus(); #if 0 dump_spd_registers(&cpu[0]); dump_smbus_registers(); #endif memreset_setup(); sdram_initialize(nodes, ctrl); #if 0 print_pci_devices(); dump_pci_devices(); #endif post_cache_as_ram(); }