void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) { struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); u32 bsp_apicid = 0; u32 val; u32 wants_reset; 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 */ set_bsp_node_CHtExtNodeCfgEn(); enumerate_ht_chain(); sio_setup(); /* Setup the mcp55 */ mcp55_enable_rom(); } post_code(0x30); if (bist == 0) { bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo); } post_code(0x32); pnp_enter_ext_func_mode(SERIAL_DEV); pnp_write_config(SERIAL_DEV, 0x24, 0x84 | (1 << 6)); w83627hf_enable_dev(SERIAL_DEV, CONFIG_TTYS0_BASE); pnp_exit_ext_func_mode(SERIAL_DEV); uart_init(); console_init(); printk(BIOS_DEBUG, "\n"); /* Halt if there was a built in self test failure */ report_bist_failure(bist); 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); update_microcode(val); 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); /* Setup any mainboard PCI settings etc. */ setup_mb_resource_map(); 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==1 /* 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 post_code(0x38); #if SET_FIDVID == 1 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(); // Need to use TMICT to synconize FID/VID wants_reset = mcp55_early_setup_x(); /* 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"); } if (wants_reset) printk(BIOS_DEBUG, "mcp55_early_setup_x wants additional reset!\n"); post_code(0x3B); /* It's the time to set ctrl in sysinfo now; */ printk(BIOS_DEBUG, "fill_mem_ctrl()\n"); fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr); post_code(0x3D); // printk(BIOS_DEBUG, "enable_smbus()\n"); // enable_smbus(); /* enable in sio_setup */ post_code(0x40); printk(BIOS_DEBUG, "raminit_amdmct()\n"); raminit_amdmct(sysinfo); post_code(0x41); // printk(BIOS_DEBUG, "\n*** Yes, the copy/decompress is taking a while, FIXME!\n"); post_cache_as_ram(); // BSP switch stack to ram, copy + execute stage 2 post_code(0x42); // Should never see this post code. }
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) { static const uint16_t spd_addr [] = { // Node 0 (0xa<<3)|0, (0xa<<3)|2, 0, 0, (0xa<<3)|1, (0xa<<3)|3, 0, 0, // Node 1 (0xa<<3)|4, (0xa<<3)|6, 0, 0, (0xa<<3)|5, (0xa<<3)|7, 0, 0, }; struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); int needs_reset = 0; 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(); sio_setup(); /* Setup the mcp55 */ mcp55_enable_rom(); } if (bist == 0) { bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo); } w83627hf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); setup_mb_resource_map(); uart_init(); /* Halt if there was a built in self test failure */ report_bist_failure(bist); #if CONFIG_USBDEBUG mcp55_enable_usbdebug(CONFIG_USBDEBUG_DEFAULT_PORT); early_usbdebug_init(); #endif console_init(); printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1); print_debug("bsp_apicid="); print_debug_hex8(bsp_apicid); print_debug("\n"); #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(); // routing table and start other core0 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(); 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 #if SET_FIDVID == 1 { 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 init_timer(); // Need to use TMICT to synconize FID/VID needs_reset |= optimize_link_coherent_ht(); needs_reset |= optimize_link_incoherent_ht(sysinfo); needs_reset |= mcp55_early_setup_x(); // fidvid change will issue one LDTSTOP and the HT change will be effective too if (needs_reset) { print_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(); /* all ap stopped? */ sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo); post_cache_as_ram(); // bsp swtich stack to ram and copy sysinfo ram now }
static void bootblock_southbridge_init(void) { mcp55_enable_rom(); }