| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2006 AMD |
| * (Written by Yinghai Lu <yinghailu@amd.com> for AMD) |
| * Copyright (C) 2006 MSI |
| * (Written by Bingxun Shi <bingxunshi@gmail.com> for MSI) |
| * Copyright (C) 2007 Rudolf Marek <r.marek@assembler.cz> |
| * |
| * 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. |
| */ |
| |
| unsigned int get_sbdn(unsigned bus); |
| |
| #include <stdint.h> |
| #include <string.h> |
| #include <device/pci_def.h> |
| #include <arch/io.h> |
| #include <device/pnp_def.h> |
| #include <cpu/x86/lapic.h> |
| #include <pc80/mc146818rtc.h> |
| #include <console/console.h> |
| #include <cpu/amd/model_fxx_rev.h> |
| #include <halt.h> |
| #include <northbridge/amd/amdk8/raminit.h> |
| #include <delay.h> |
| #include <cpu/x86/lapic.h> |
| #include "northbridge/amd/amdk8/reset_test.c" |
| #include "northbridge/amd/amdk8/early_ht.c" |
| #include <superio/winbond/common/winbond.h> |
| #include <superio/winbond/w83627ehg/w83627ehg.h> |
| #include "southbridge/via/vt8237r/early_smbus.c" |
| #include "northbridge/amd/amdk8/debug.c" /* After vt8237r/early_smbus.c! */ |
| #include <cpu/x86/bist.h> |
| #include "northbridge/amd/amdk8/setup_resource_map.c" |
| #include <spd.h> |
| |
| #define SERIAL_DEV PNP_DEV(0x2e, W83627EHG_SP1) |
| #define GPIO_DEV PNP_DEV(0x2e, W83627EHG_GPIO_SUSLED_V) |
| #define ACPI_DEV PNP_DEV(0x2e, W83627EHG_ACPI) |
| |
| 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 <reset.h> |
| void soft_reset(void) |
| { |
| uint8_t tmp; |
| |
| set_bios_reset(); |
| printk(BIOS_DEBUG, "soft reset\n"); |
| |
| /* PCI reset */ |
| tmp = pci_read_config8(PCI_DEV(0, 0x11, 0), 0x4f); |
| tmp |= 0x01; |
| pci_write_config8(PCI_DEV(0, 0x11, 0), 0x4f, tmp); |
| |
| halt(); |
| } |
| |
| #include "southbridge/via/k8t890/early_car.c" |
| #include <northbridge/amd/amdk8/amdk8.h> |
| #include "northbridge/amd/amdk8/incoherent_ht.c" |
| #include "northbridge/amd/amdk8/coherent_ht.c" |
| #include "northbridge/amd/amdk8/raminit.c" |
| #include "lib/generic_sdram.c" |
| #include "cpu/amd/dualcore/dualcore.c" |
| #include "cpu/amd/model_fxx/init_cpus.c" |
| #include "cpu/amd/model_fxx/fidvid.c" |
| #include "northbridge/amd/amdk8/resourcemap.c" |
| |
| unsigned int get_sbdn(unsigned bus) |
| { |
| pci_devfn_t dev; |
| |
| dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_VIA, |
| PCI_DEVICE_ID_VIA_VT8237R_LPC), bus); |
| return (dev >> 15) & 0x1f; |
| } |
| |
| static void sio_init(void) |
| { |
| u8 reg; |
| |
| pnp_enter_ext_func_mode(SERIAL_DEV); |
| /* We have 24MHz input. */ |
| reg = pnp_read_config(SERIAL_DEV, 0x24); |
| pnp_write_config(SERIAL_DEV, 0x24, (reg & ~0x40)); |
| /* We have GPIO for KB/MS pin. */ |
| reg = pnp_read_config(SERIAL_DEV, 0x2a); |
| pnp_write_config(SERIAL_DEV, 0x2a, (reg | 1)); |
| /* We have all RESTOUT and even some reserved bits, too. */ |
| reg = pnp_read_config(SERIAL_DEV, 0x2c); |
| pnp_write_config(SERIAL_DEV, 0x2c, (reg | 0xf0)); |
| pnp_exit_ext_func_mode(SERIAL_DEV); |
| |
| pnp_enter_ext_func_mode(ACPI_DEV); |
| pnp_set_logical_device(ACPI_DEV); |
| /* |
| * Set the delay rising time from PWROK_LP to PWROK_ST to |
| * 300 - 600ms, and 0 to vice versa. |
| */ |
| reg = pnp_read_config(ACPI_DEV, 0xe6); |
| pnp_write_config(ACPI_DEV, 0xe6, (reg & 0xf0)); |
| /* 1 Use external suspend clock source 32.768KHz. Undocumented?? */ |
| reg = pnp_read_config(ACPI_DEV, 0xe4); |
| pnp_write_config(ACPI_DEV, 0xe4, (reg | 0x10)); |
| pnp_exit_ext_func_mode(ACPI_DEV); |
| |
| pnp_enter_ext_func_mode(GPIO_DEV); |
| pnp_set_logical_device(GPIO_DEV); |
| /* Set memory voltage to 2.75V, vcore offset + 100mV, 1.5V chipset voltage. */ |
| pnp_write_config(GPIO_DEV, 0x30, 0x09); /* Enable GPIO 2 & GPIO 5. */ |
| pnp_write_config(GPIO_DEV, 0xe2, 0x00); /* No inversion */ |
| pnp_write_config(GPIO_DEV, 0xe5, 0x00); /* No inversion */ |
| pnp_write_config(GPIO_DEV, 0xe3, 0x03); /* 0000 0011, 0 = output 1 = input */ |
| pnp_write_config(GPIO_DEV, 0xe0, 0xde); /* 1101 1110, 0 = output 1 = input */ |
| pnp_write_config(GPIO_DEV, 0xe1, 0x01); /* Set output val. */ |
| pnp_write_config(GPIO_DEV, 0xe4, 0xb4); /* Set output val (1011 0100). */ |
| pnp_exit_ext_func_mode(GPIO_DEV); |
| } |
| |
| void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) |
| { |
| static const uint16_t spd_addr[] = { |
| // Node 0 |
| DIMM0, DIMM2, 0, 0, |
| 0, 0, 0, 0, |
| // Node 1 |
| DIMM1, DIMM3, 0, 0, |
| 0, 0, 0, 0, |
| }; |
| unsigned bsp_apicid = 0; |
| int needs_reset = 0; |
| struct sys_info *sysinfo = &sysinfo_car; |
| |
| sio_init(); |
| winbond_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); |
| console_init(); |
| enable_rom_decode(); |
| |
| printk(BIOS_INFO, "now booting... fallback\n"); |
| |
| /* Is this a CPU only reset? Or is this a secondary CPU? */ |
| 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(); |
| } |
| |
| printk(BIOS_INFO, "now booting... real_main\n"); |
| |
| if (bist == 0) |
| bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo); |
| |
| /* Halt if there was a built in self test failure. */ |
| report_bist_failure(bist); |
| |
| setup_default_resource_map(); |
| setup_coherent_ht_domain(); |
| wait_all_core0_started(); |
| |
| printk(BIOS_INFO, "now booting... Core0 started\n"); |
| |
| #if CONFIG_LOGICAL_CPUS |
| /* It is said that we should start core1 after all core0 launched. */ |
| start_other_cores(); |
| wait_all_other_cores_started(bsp_apicid); |
| #endif |
| init_timer(); |
| ht_setup_chains_x(sysinfo); /* Init sblnk and sbbusn, nodes, sbdn. */ |
| |
| needs_reset = optimize_link_coherent_ht(); |
| needs_reset |= optimize_link_incoherent_ht(sysinfo); |
| needs_reset |= k8t890_early_setup_ht(); |
| |
| if (needs_reset) { |
| printk(BIOS_DEBUG, "ht reset -\n"); |
| soft_reset(); |
| } |
| |
| /* the HT settings needs to be OK, because link freq chnage may cause HT disconnect */ |
| enable_fid_change(); |
| init_fidvid_bsp(bsp_apicid); |
| |
| /* Stop the APs so we can start them later in init. */ |
| allow_all_aps_stop(bsp_apicid); |
| |
| /* It's the time to set ctrl now. */ |
| fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr); |
| |
| enable_smbus(); |
| sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo); |
| post_cache_as_ram(); |
| } |