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/* * 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. * * 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 */ 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 <arch/romcc_io.h> #include <cpu/amd/mtrr.h> #include <cpu/x86/lapic.h> #include <pc80/mc146818rtc.h> #include <console/console.h> #include <cpu/amd/model_fxx_rev.h> #include "northbridge/amd/amdk8/raminit.h" #include "cpu/amd/model_fxx/apic_timer.c" #include "lib/delay.c" #include "northbridge/amd/amdk8/reset_test.c" #include "superio/winbond/w83627ehg/early_serial.c" #include "southbridge/via/vt8237r/early_smbus.c" #include "northbridge/amd/amdk8/debug.c" /* After vt8237r/early_smbus.c! */ #include "cpu/x86/mtrr/earlymtrr.c" #include "cpu/x86/bist.h" #include "northbridge/amd/amdk8/setup_resource_map.c" #include <spd.h> #define SERIAL_DEV PNP_DEV(0x2e, W83627EHG_SP2) #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 "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/car/post_cache_as_ram.c" #include "cpu/amd/model_fxx/init_cpus.c" #define SB_VFSMAF 0 static void ldtstop_sb(void) { print_debug("toggle LDTSTP#\n"); /* fix errata #181, disable DRAM controller it will get enabled later */ u8 tmp = pci_read_config8(PCI_DEV(0, 0x18, 2), 0x94); tmp |= (( 1 << 14) | (1 << 3)); pci_write_config8(PCI_DEV(0, 0x18, 2), 0x94, tmp); u8 reg = inb (VT8237R_ACPI_IO_BASE + 0x5c); reg = reg ^ (1 << 0); outb(reg, VT8237R_ACPI_IO_BASE + 0x5c); // reg = inb(VT8237R_ACPI_IO_BASE + 0x15); // post_code(0xb7); print_debug("done\n"); } #include "cpu/amd/model_fxx/fidvid.c" #include "northbridge/amd/amdk8/resourcemap.c" void soft_reset(void) { uint8_t tmp; set_bios_reset(); print_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); while (1) { /* daisy daisy ... */ hlt(); } } unsigned int get_sbdn(unsigned bus) { device_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); } #include <cbmem.h> 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, DIMM1, DIMM3, 0, 0, // Node 1 DIMM4, DIMM6, 0, 0, DIMM5, DIMM7, 0, 0, }; unsigned bsp_apicid = 0; int needs_reset = 0; struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); sio_init(); w83627ehg_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); console_init(); enable_rom_decode(); 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(); print_info("now booting... Core0 started\n"); #if CONFIG_LOGICAL_CPUS==1 /* 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) { print_debug("ht reset -\n"); soft_reset(); } /* the HT settings needs to be OK, because link freq chnage may cause HT disconnect */ /* allow LDT STOP asserts */ vt8237_sb_enable_fid_vid(); enable_fid_change(); print_debug("after enable_fid_change\n"); init_fidvid_bsp(bsp_apicid); post_code(0x35); /* Stop the APs so we can start them later in init. */ allow_all_aps_stop(bsp_apicid); post_code(0x36); /* It's the time to set ctrl now. */ fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr); printk(BIOS_DEBUG, "fill_mem_ctrl nodes: %d\n", sysinfo->nodes); post_code(0x37); enable_smbus(); post_code(0x38); sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo); post_code(0x39); post_cache_as_ram(); }
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