| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2007 AMD |
| * Written by Yinghai Lu <yinghailu@amd.com> for AMD. |
| * Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #if CONFIG_K8_REV_F_SUPPORT == 1 |
| #define K8_REV_F_SUPPORT_F0_F1_WORKAROUND 0 |
| #endif |
| |
| #include <stdint.h> |
| #include <string.h> |
| #include <device/pci_def.h> |
| #include <device/pci_ids.h> |
| #include <arch/io.h> |
| #include <device/pnp_def.h> |
| #include <arch/romcc_io.h> |
| #include <cpu/x86/lapic.h> |
| #include <pc80/mc146818rtc.h> |
| #include <console/console.h> |
| #include <cpu/amd/model_fxx_rev.h> |
| #include "southbridge/nvidia/mcp55/early_smbus.c" |
| #include "northbridge/amd/amdk8/raminit.h" |
| #include "cpu/amd/model_fxx/apic_timer.c" |
| #include "lib/delay.c" |
| #include <lib.h> |
| #include <spd.h> |
| #include "cpu/x86/lapic/boot_cpu.c" |
| #include "northbridge/amd/amdk8/reset_test.c" |
| #include "superio/ite/it8716f/early_serial.c" |
| #include "superio/ite/it8716f/early_init.c" |
| #include "cpu/x86/bist.h" |
| #include "northbridge/amd/amdk8/debug.c" |
| #include "cpu/x86/mtrr/earlymtrr.c" |
| #include "northbridge/amd/amdk8/setup_resource_map.c" |
| #include "southbridge/nvidia/mcp55/early_ctrl.c" |
| |
| #define SERIAL_DEV PNP_DEV(0x2e, IT8716F_SP1) |
| |
| static void memreset(int controllers, const struct mem_controller *ctrl) {} |
| static inline void activate_spd_rom(const struct mem_controller *ctrl) {} |
| |
| static inline int spd_read_byte(unsigned int device, unsigned int address) |
| { |
| return smbus_read_byte(device, address); |
| } |
| |
| #include "northbridge/amd/amdk8/f.h" |
| #include "northbridge/amd/amdk8/incoherent_ht.c" |
| #include "northbridge/amd/amdk8/coherent_ht.c" |
| #include "northbridge/amd/amdk8/raminit_f.c" |
| #include "lib/generic_sdram.c" |
| #include "resourcemap.c" |
| #include "cpu/amd/dualcore/dualcore.c" |
| #include "southbridge/nvidia/mcp55/early_setup_ss.h" |
| #include "southbridge/nvidia/mcp55/early_setup_car.c" |
| #include "cpu/amd/car/post_cache_as_ram.c" |
| #include "cpu/amd/model_fxx/init_cpus.c" |
| #include "cpu/amd/model_fxx/fidvid.c" |
| #include "northbridge/amd/amdk8/early_ht.c" |
| |
| static void sio_setup(void) |
| { |
| u8 byte; |
| u32 dword; |
| device_t dev = PCI_DEV(0, MCP55_DEVN_BASE + 1, 0); /* LPC */ |
| |
| /* Subject decoding */ |
| byte = pci_read_config8(dev, 0x7b); |
| byte |= (1 << 5); |
| pci_write_config8(dev, 0x7b, byte); |
| |
| /* LPC Positive Decode 0 */ |
| dword = pci_read_config32(dev, 0xa0); |
| dword |= (1 << 0); /* COM1 */ |
| pci_write_config32(dev, 0xa0, dword); |
| } |
| |
| void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) |
| { |
| static const u16 spd_addr[] = { |
| DIMM0, DIMM2, 0, 0, /* Channel A (DIMM_A1, DIMM_A2) */ |
| DIMM1, DIMM3, 0, 0, /* Channel B (DIMM_B1, DIMM_B2) */ |
| }; |
| |
| 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()) { |
| /* Allow the HT devices to be found. */ |
| enumerate_ht_chain(); |
| sio_setup(); |
| } |
| |
| if (bist == 0) |
| bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo); |
| |
| /* FIXME: This should be part of the Super I/O code/config. */ |
| pnp_enter_ext_func_mode(SERIAL_DEV); |
| pnp_write_config(SERIAL_DEV, 0x23, 0x01); /* CLKIN = 24MHz */ |
| it8716f_enable_dev(SERIAL_DEV, CONFIG_TTYS0_BASE); |
| pnp_exit_ext_func_mode(SERIAL_DEV); |
| |
| setup_mb_resource_map(); |
| report_bist_failure(bist); |
| console_init(); |
| |
| printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo, sysinfo + 1); |
| printk(BIOS_DEBUG, "bsp_apicid=0x%02x\n", bsp_apicid); |
| |
| #if CONFIG_MEM_TRAIN_SEQ == 1 |
| /* In BSP so could hold all AP until sysinfo is in RAM. */ |
| set_sysinfo_in_ram(0); |
| #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 |
| |
| /* Set up chains and store link pair for optimization later. */ |
| ht_setup_chains_x(sysinfo); /* Init sblnk and sbbusn, nodes, sbdn. */ |
| |
| /* TODO: FIDVID */ |
| |
| 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); |
| |
| fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr); |
| |
| enable_smbus(); |
| |
| sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo); |
| |
| /* BSP switch stack to RAM and copy sysinfo RAM now. */ |
| post_cache_as_ram(); |
| } |