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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2008 Advanced Micro Devices, Inc.
*
* 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; version 2 of the License.
*
* 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
*/
#define ASSEMBLY 1
#define __PRE_RAM__
#define RAMINIT_SYSINFO 1
#define K8_SET_FIDVID 1
#define QRANK_DIMM_SUPPORT 1
#if CONFIG_LOGICAL_CPUS==1
#define SET_NB_CFG_54 1
#endif
#define DIMM0 0x50
#define DIMM1 0x51
#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/x86/lapic.h>
#include "option_table.h"
#include "pc80/mc146818rtc_early.c"
#include "pc80/serial.c"
#include "arch/i386/lib/console.c"
#define post_code(x) outb(x, 0x80)
#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 "cpu/x86/lapic/boot_cpu.c"
#include "northbridge/amd/amdk8/reset_test.c"
#include "superio/ite/it8712f/it8712f_early_serial.c"
#include "cpu/amd/mtrr/amd_earlymtrr.c"
#include "cpu/x86/bist.h"
#include "northbridge/amd/amdk8/setup_resource_map.c"
#include "southbridge/amd/rs690/rs690_early_setup.c"
#include "southbridge/amd/sb600/sb600_early_setup.c"
#include "northbridge/amd/amdk8/debug.c" /* After sb600_early_setup.c! */
/* CAN'T BE REMOVED! crt0.S will use it. I don't know WHY!*/
static void memreset(int controllers, const struct mem_controller *ctrl)
{
}
/* called in raminit_f.c */
static inline void activate_spd_rom(const struct mem_controller *ctrl)
{
}
/*called in raminit_f.c */
static inline int spd_read_byte(u32 device, u32 address)
{
return smbus_read_byte(device, address);
}
#include "northbridge/amd/amdk8/amdk8.h"
#include "northbridge/amd/amdk8/incoherent_ht.c"
#include "northbridge/amd/amdk8/raminit_f.c"
#include "northbridge/amd/amdk8/coherent_ht.c"
#include "lib/generic_sdram.c"
#include "resourcemap.c"
#include "cpu/amd/dualcore/dualcore.c"
#include "cpu/amd/car/copy_and_run.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"
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
static const u16 spd_addr[] = { DIMM0, 0, 0, 0, DIMM1, 0, 0, 0, };
int needs_reset = 0;
u32 bsp_apicid = 0;
msr_t msr;
struct cpuid_result cpuid1;
struct sys_info *sysinfo =
(struct sys_info *)(CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE -
CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
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();
sb600_lpc_port80();
/* sb600_pci_port80(); */
}
if (bist == 0) {
bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
}
enable_rs690_dev8();
sb600_lpc_init();
/* Pistachio used a FPGA to enable serial debug instead of a SIO
* and it doens't require any special setup. */
uart_init();
console_init();
post_code(0x03);
/* Halt if there was a built in self test failure */
report_bist_failure(bist);
printk_debug("bsp_apicid=0x%x\n", bsp_apicid);
setup_pistachio_resource_map();
setup_coherent_ht_domain();
#if CONFIG_LOGICAL_CPUS==1
/* It is said that we should start core1 after all core0 launched */
wait_all_core0_started();
start_other_cores();
#endif
wait_all_aps_started(bsp_apicid);
/* it will set up chains and store link pair for optimization later,
* it will init sblnk and sbbusn, nodes, sbdn */
ht_setup_chains_x(sysinfo);
/* run _early_setup before soft-reset. */
rs690_early_setup();
sb600_early_setup();
post_code(0x04);
/* Check to see if processor is capable of changing FIDVID */
/* otherwise it will throw a GP# when reading FIDVID_STATUS */
cpuid1 = cpuid(0x80000007);
if( (cpuid1.edx & 0x6) == 0x6 ) {
/* Read FIDVID_STATUS */
msr=rdmsr(0xc0010042);
printk_debug("begin msr fid, vid: hi=0x%x, lo=0x%x\n", msr.hi, msr.lo);
enable_fid_change();
enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
init_fidvid_bsp(bsp_apicid);
/* show final fid and vid */
msr=rdmsr(0xc0010042);
printk_debug("end msr fid, vid: hi=0x%x, lo=0x%x\n", msr.hi, msr.lo);
} else {
printk_debug("Changing FIDVID not supported\n");
}
post_code(0x05);
needs_reset = optimize_link_coherent_ht();
needs_reset |= optimize_link_incoherent_ht(sysinfo);
rs690_htinit();
printk_debug("needs_reset=0x%x\n", needs_reset);
post_code(0x06);
if (needs_reset) {
print_info("ht reset -\r\n");
soft_reset();
}
allow_all_aps_stop(bsp_apicid);
/* It's the time to set ctrl now; */
printk_debug("sysinfo->nodes: %2x sysinfo->ctrl: %2x spd_addr: %2x\n",
sysinfo->nodes, sysinfo->ctrl, spd_addr);
fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
post_code(0x07);
sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
post_code(0x08);
rs690_before_pci_init();
sb600_before_pci_init();
post_cache_as_ram();
}
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