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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) 2008 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/amd/mtrr.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 <superio/ite/common/ite.h>
#include <superio/ite/it8712f/it8712f.h>
#include <southbridge/via/vt8237r/vt8237r.h>
#include <cpu/x86/bist.h>
#include "northbridge/amd/amdk8/setup_resource_map.c"
#include <spd.h>
#include <northbridge/amd/amdk8/f.h>
#define SERIAL_DEV PNP_DEV(0x2e, IT8712F_SP1)
#define GPIO_DEV PNP_DEV(0x2e, IT8712F_GPIO)
void memreset(int controllers, const struct mem_controller *ctrl) { }
void activate_spd_rom(const struct mem_controller *ctrl) { }
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 "lib/generic_sdram.c"
#include "cpu/amd/dualcore/dualcore.c"
#include "cpu/amd/model_fxx/init_cpus.c"
#define SB_VFSMAF 0
static void ldtstop_sb(void)
{
printk(BIOS_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);
printk(BIOS_DEBUG, "done\n");
}
#include "cpu/amd/model_fxx/fidvid.c"
#include "northbridge/amd/amdk8/resourcemap.c"
void do_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;
/* FIXME from S3 set bit1 to disable USB reset VT8237A/S */
pci_write_config8(PCI_DEV(0, 0x11, 0), 0x4f, tmp);
halt();
}
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;
}
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 = &sysinfo_car;
ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
ite_kill_watchdog(GPIO_DEV);
ite_enable_3vsbsw(GPIO_DEV);
console_init();
enable_rom_decode();
printk(BIOS_INFO, "now booting...\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... All core 0 started\n");
#if IS_ENABLED(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();
printk(BIOS_DEBUG, "%02x", needs_reset);
needs_reset |= optimize_link_incoherent_ht(sysinfo);
printk(BIOS_DEBUG, "%02x", needs_reset);
needs_reset |= k8t890_early_setup_ht();
printk(BIOS_DEBUG, "%02x", needs_reset);
vt8237_early_network_init(NULL);
vt8237_early_spi_init();
if (needs_reset) {
printk(BIOS_DEBUG, "ht reset -\n");
soft_reset();
printk(BIOS_DEBUG, "FAILED!\n");
}
/* 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();
printk(BIOS_DEBUG, "after enable_fid_change\n");
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();
}
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