void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) { struct sys_info *sysinfo = &sysinfo_car; u32 bsp_apicid = 0, val; msr_t msr; if (!cpu_init_detectedx && boot_cpu()) { /* Nothing special needs to be done to find bus 0 */ /* Allow the HT devices to be found */ /* mov bsp to bus 0xff when > 8 nodes */ set_bsp_node_CHtExtNodeCfgEn(); enumerate_ht_chain(); bcm5785_enable_lpc(); pc87417_enable_dev(RTC_DEV); /* Enable RTC */ } post_code(0x30); if (bist == 0) bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo); pilot_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); console_init(); /* Halt if there was a built in self test failure */ report_bist_failure(bist); pilot_early_init(SERIAL_DEV); //config port is being taken from SERIAL_DEV val = cpuid_eax(1); printk(BIOS_DEBUG, "BSP Family_Model: %08x\n", val); printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1); printk(BIOS_DEBUG, "bsp_apicid = %02x\n", bsp_apicid); printk(BIOS_DEBUG, "cpu_init_detectedx = %08lx\n", cpu_init_detectedx); /* Setup sysinfo defaults */ set_sysinfo_in_ram(0); #if CONFIG_UPDATE_CPU_MICROCODE update_microcode(val); #endif post_code(0x33); cpuSetAMDMSR(); post_code(0x34); amd_ht_init(sysinfo); post_code(0x35); /* Setup nodes PCI space and start core 0 AP init. */ finalize_node_setup(sysinfo); post_code(0x36); /* wait for all the APs core0 started by finalize_node_setup. */ /* FIXME: A bunch of cores are going to start output to serial at once. * It would be nice to fixup prink spinlocks for ROM XIP mode. * I think it could be done by putting the spinlock flag in the cache * of the BSP located right after sysinfo. */ wait_all_core0_started(); #if CONFIG_LOGICAL_CPUS /* Core0 on each node is configured. Now setup any additional cores. */ printk(BIOS_DEBUG, "start_other_cores()\n"); start_other_cores(); post_code(0x37); wait_all_other_cores_started(bsp_apicid); #endif #if CONFIG_SET_FIDVID msr = rdmsr(0xc0010071); printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo); /* FIXME: The sb fid change may survive the warm reset and only * need to be done once.*/ enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn); post_code(0x39); if (!warm_reset_detect(0)) { // BSP is node 0 init_fidvid_bsp(bsp_apicid, sysinfo->nodes); } else { init_fidvid_stage2(bsp_apicid, 0); // BSP is node 0 } post_code(0x3A); /* show final fid and vid */ msr=rdmsr(0xc0010071); printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo); #endif init_timer(); /* Reset for HT, FIDVID, PLL and errata changes to take affect. */ if (!warm_reset_detect(0)) { print_info("...WARM RESET...\n\n\n"); soft_reset(); die("After soft_reset_x - shouldn't see this message!!!\n"); } /* It's the time to set ctrl in sysinfo now; */ fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr); enable_smbus(); //do we need apci timer, tsc...., only debug need it for better output /* all ap stopped? */ // init_timer(); // Need to use TMICT to synconize FID/VID printk(BIOS_DEBUG, "raminit_amdmct()\n"); raminit_amdmct(sysinfo); post_code(0x41); bcm5785_early_setup(); post_cache_as_ram(); }
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) { static const uint16_t spd_addr[] = { //first node RC0|DIMM0, RC0|DIMM2, RC0|DIMM4, RC0|DIMM6, RC0|DIMM1, RC0|DIMM3, RC0|DIMM5, RC0|DIMM7, //second node RC1|DIMM0, RC1|DIMM2, RC1|DIMM4, RC1|DIMM6, RC1|DIMM1, RC1|DIMM3, RC1|DIMM5, RC1|DIMM7, }; struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); int needs_reset; unsigned bsp_apicid = 0; 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(); bcm5785_enable_lpc(); //enable RTC pc87417_enable_dev(RTC_DEV); } if (bist == 0) bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo); pc87417_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); console_init(); // dump_mem(CONFIG_DCACHE_RAM_BASE+CONFIG_DCACHE_RAM_SIZE-0x200, CONFIG_DCACHE_RAM_BASE+CONFIG_DCACHE_RAM_SIZE); /* Halt if there was a built in self test failure */ report_bist_failure(bist); printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1); setup_ms9185_resource_map(); #if 0 dump_pci_device(PCI_DEV(0, 0x18, 0)); dump_pci_device(PCI_DEV(0, 0x19, 0)); #endif print_debug("bsp_apicid="); print_debug_hex8(bsp_apicid); print_debug("\n"); setup_coherent_ht_domain(); wait_all_core0_started(); #if CONFIG_LOGICAL_CPUS==1 // It is said that we should start core1 after all core0 launched /* becase optimize_link_coherent_ht is moved out from setup_coherent_ht_domain, * So here need to make sure last core0 is started, esp for two way system, * (there may be apic id conflicts in that case) */ start_other_cores(); //bx_a010- wait_all_other_cores_started(bsp_apicid); #endif /* it will set up chains and store link pair for optimization later */ ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn bcm5785_early_setup(); #if 0 //it your CPU min fid is 1G, you can change HT to 1G and FID to max one time. needs_reset = optimize_link_coherent_ht(); needs_reset |= optimize_link_incoherent_ht(sysinfo); #endif #if CONFIG_SET_FIDVID { msr_t msr; msr=rdmsr(0xc0010042); print_debug("begin msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\n"); } enable_fid_change(); enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn); init_fidvid_bsp(bsp_apicid); // show final fid and vid { msr_t msr; msr=rdmsr(0xc0010042); print_debug("end msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\n"); } #endif #if 1 needs_reset = optimize_link_coherent_ht(); needs_reset |= optimize_link_incoherent_ht(sysinfo); // fidvid change will issue one LDTSTOP and the HT change will be effective too if (needs_reset) { print_info("ht reset -\n"); soft_reset(); } #endif allow_all_aps_stop(bsp_apicid); //It's the time to set ctrl in sysinfo now; fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr); enable_smbus(); #if 0 int i; for(i=0;i<2;i++) { activate_spd_rom(sysinfo->ctrl+i); dump_smbus_registers(); } #endif #if 0 int i; for(i=1;i<256;i<<=1) { change_i2c_mux(i); dump_smbus_registers(); } #endif //do we need apci timer, tsc...., only debug need it for better output /* all ap stopped? */ // init_timer(); // Need to use TMICT to synconize FID/VID sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo); #if 0 print_pci_devices(); #endif #if 0 // dump_pci_devices(); dump_pci_device_index_wait(PCI_DEV(0, 0x18, 2), 0x98); dump_pci_device_index_wait(PCI_DEV(0, 0x19, 2), 0x98); #endif post_cache_as_ram(); }
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) { static const uint16_t spd_addr[] = { // first node DIMM0, DIMM2, 0, 0, DIMM1, DIMM3, 0, 0, // second node DIMM4, DIMM6, 0, 0, DIMM5, DIMM7, 0, 0, }; struct sys_info *sysinfo = &sysinfo_car; int needs_reset; unsigned bsp_apicid = 0; 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(); bcm5785_enable_lpc(); pc87417_enable_dev(RTC_DEV); /* Enable RTC */ } if (bist == 0) bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo); pilot_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); console_init(); /* Halt if there was a built in self test failure */ report_bist_failure(bist); // setup_early_ipmi_serial(); pilot_early_init(SERIAL_DEV); //config port is being taken from SERIAL_DEV printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1); printk(BIOS_DEBUG, "bsp_apicid=%02x\n", bsp_apicid); #if CONFIG_MEM_TRAIN_SEQ == 1 set_sysinfo_in_ram(0); // in BSP so could hold all ap until sysinfo is in ram #endif setup_coherent_ht_domain(); wait_all_core0_started(); #if CONFIG_LOGICAL_CPUS // It is said that we should start core1 after all core0 launched /* becase optimize_link_coherent_ht is moved out from setup_coherent_ht_domain, * So here need to make sure last core0 is started, esp for two way system, * (there may be apic id conflicts in that case) */ start_other_cores(); wait_all_other_cores_started(bsp_apicid); #endif /* it will set up chains and store link pair for optimization later */ ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn bcm5785_early_setup(); #if CONFIG_SET_FIDVID { msr_t msr; msr=rdmsr(0xc0010042); printk(BIOS_DEBUG, "begin msr fid, vid %08x %08x\n", msr.hi, msr.lo); } enable_fid_change(); enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn); init_fidvid_bsp(bsp_apicid); // show final fid and vid { msr_t msr; msr=rdmsr(0xc0010042); printk(BIOS_DEBUG, "end msr fid, vid %08x %08x\n", msr.hi, msr.lo); } #endif needs_reset = optimize_link_coherent_ht(); needs_reset |= optimize_link_incoherent_ht(sysinfo); // fidvid change will issue one LDTSTOP and the HT change will be effective too if (needs_reset) { printk(BIOS_INFO, "ht reset -\n"); soft_reset(); } allow_all_aps_stop(bsp_apicid); //It's the time to set ctrl in sysinfo now; fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr); enable_smbus(); //do we need apci timer, tsc...., only debug need it for better output /* all ap stopped? */ // init_timer(); // Need to use TMICT to synconize FID/VID sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo); post_cache_as_ram(); }