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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2006 Tyan
* Copyright (C) 2006 AMD
* Written by Yinghai Lu <yinghailu@gmail.com> for Tyan and AMD.
*
* Copyright (C) 2006 MSI
* Written by bxshi <bingxunshi@gmail.com> for MSI.
*
* 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
*/
#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 <cpu/x86/lapic.h>
#include <pc80/mc146818rtc.h>
#include <console/console.h>
#include <cpu/amd/model_fxx_rev.h>
#include "southbridge/broadcom/bcm5785/early_smbus.c"
#include "northbridge/amd/amdk8/raminit.h"
#include "lib/delay.c"
#include <reset.h>
#include "cpu/x86/lapic.h"
#include "northbridge/amd/amdk8/reset_test.c"
#include "northbridge/amd/amdk8/debug.c"
#include "superio/nsc/pc87417/early_serial.c"
#include "cpu/x86/bist.h"
#include "northbridge/amd/amdk8/setup_resource_map.c"
#include "southbridge/broadcom/bcm5785/early_setup.c"
#define SERIAL_DEV PNP_DEV(0x2e, PC87417_SP1)
#define RTC_DEV PNP_DEV(0x2e, PC87417_RTC)
static void memreset(int controllers, const struct mem_controller *ctrl) { }
static inline void activate_spd_rom(const struct mem_controller *ctrl)
{
#define SMBUS_SWITCH1 0x70
#define SMBUS_SWITCH2 0x72
unsigned device = (ctrl->channel0[0]) >> 8;
smbus_send_byte(SMBUS_SWITCH1, device & 0x0f);
smbus_send_byte(SMBUS_SWITCH2, (device >> 4) & 0x0f );
}
#if 0
static inline void change_i2c_mux(unsigned device)
{
#define SMBUS_SWITCH1 0x70
#define SMBUS_SWITCH2 0x72
smbus_send_byte(SMBUS_SWITCH1, device & 0x0f);
smbus_send_byte(SMBUS_SWITCH2, (device >> 4) & 0x0f );
}
#endif
static inline int spd_read_byte(unsigned device, unsigned 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 <spd.h>
#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"
#define RC0 (0x10<<8)
#define RC1 (0x01<<8)
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
static const uint16_t spd_addr[] = {
//first node
RC0|DIMM0, RC0|DIMM2, RC0|DIMM4, RC0|DIMM6,
RC0|DIMM1, RC0|DIMM3, RC0|DIMM5, RC0|DIMM7,
//second node
RC1|DIMM0, RC1|DIMM2, RC1|DIMM4, RC1|DIMM6,
RC1|DIMM1, RC1|DIMM3, RC1|DIMM5, RC1|DIMM7,
};
struct sys_info *sysinfo = &sysinfo_car;
int needs_reset;
unsigned bsp_apicid = 0;
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();
bcm5785_enable_lpc();
//enable RTC
pc87417_enable_dev(RTC_DEV);
}
if (bist == 0)
bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
pc87417_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
console_init();
// dump_mem(CONFIG_DCACHE_RAM_BASE+CONFIG_DCACHE_RAM_SIZE-0x200, CONFIG_DCACHE_RAM_BASE+CONFIG_DCACHE_RAM_SIZE);
/* Halt if there was a built in self test failure */
report_bist_failure(bist);
printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);
setup_ms9185_resource_map();
#if 0
dump_pci_device(PCI_DEV(0, 0x18, 0));
dump_pci_device(PCI_DEV(0, 0x19, 0));
#endif
print_debug("bsp_apicid="); print_debug_hex8(bsp_apicid); print_debug("\n");
setup_coherent_ht_domain();
wait_all_core0_started();
#if CONFIG_LOGICAL_CPUS
// 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();
//bx_a010- wait_all_other_cores_started(bsp_apicid);
#endif
/* it will set up chains and store link pair for optimization later */
ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn
bcm5785_early_setup();
#if 0
//it your CPU min fid is 1G, you can change HT to 1G and FID to max one time.
needs_reset = optimize_link_coherent_ht();
needs_reset |= optimize_link_incoherent_ht(sysinfo);
#endif
#if CONFIG_SET_FIDVID
{
msr_t msr;
msr=rdmsr(0xc0010042);
print_debug("begin msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\n");
}
enable_fid_change();
enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
init_fidvid_bsp(bsp_apicid);
// show final fid and vid
{
msr_t msr;
msr=rdmsr(0xc0010042);
print_debug("end msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\n");
}
#endif
#if 1
needs_reset = optimize_link_coherent_ht();
needs_reset |= optimize_link_incoherent_ht(sysinfo);
// fidvid change will issue one LDTSTOP and the HT change will be effective too
if (needs_reset) {
print_info("ht reset -\n");
soft_reset();
}
#endif
allow_all_aps_stop(bsp_apicid);
//It's the time to set ctrl in sysinfo now;
fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
enable_smbus();
#if 0
int i;
for(i=0;i<2;i++) {
activate_spd_rom(sysinfo->ctrl+i);
dump_smbus_registers();
}
#endif
#if 0
int i;
for(i=1;i<256;i<<=1) {
change_i2c_mux(i);
dump_smbus_registers();
}
#endif
//do we need apci timer, tsc...., only debug need it for better output
/* all ap stopped? */
// init_timer(); // Need to use TMICT to synconize FID/VID
sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
#if 0
print_pci_devices();
#endif
#if 0
// dump_pci_devices();
dump_pci_device_index_wait(PCI_DEV(0, 0x18, 2), 0x98);
dump_pci_device_index_wait(PCI_DEV(0, 0x19, 2), 0x98);
#endif
post_cache_as_ram();
}
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