/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2008 Advanced Micro Devices, Inc.
 * Copyright (C) 2009 coresystems GmbH
 *
 * 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 __ROMCC__

#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 RC0 (6<<8)
#define RC1 (7<<8)

#define DIMM0 0x50
#define DIMM1 0x51

#define ICS951462_ADDRESS       0x69
#define SMBUS_HUB 0x71

#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 "northbridge/amd/amdk8/debug.c"
#include "superio/winbond/w83627dhg/w83627dhg_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"

/* 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"

#if CONFIG_USE_FALLBACK_IMAGE == 1

#include "northbridge/amd/amdk8/early_ht.c"

void failover_process(unsigned long bist, unsigned long cpu_init_detectedx)
{
        /* Is this a cpu only reset? Is this a secondary cpu? */
        if ((cpu_init_detectedx) || (!boot_cpu())) {
                if (last_boot_normal()) {       /* RTC already inited */
                        goto normal_image;
                } else {
                        goto fallback_image;
                }
        }
        /* 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();

        /* Is this a deliberate reset by the bios */
        if (bios_reset_detected() && last_boot_normal()) {
                goto normal_image;
        }
        /* This is the primary cpu how should I boot? */
        else if (do_normal_boot()) {
                goto normal_image;
        } else {
                goto fallback_image;
        }
normal_image:
        post_code(0x23);
        __asm__ volatile ("jmp __normal_image": /* outputs */
                          :"a" (bist), "b"(cpu_init_detectedx)  /* inputs */);

fallback_image:
        post_code(0x25);
}
#endif                          /* CONFIG_USE_FALLBACK_IMAGE == 1 */

void real_main(unsigned long bist, unsigned long cpu_init_detectedx);

void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{

#if CONFIG_USE_FALLBACK_IMAGE == 1
        failover_process(bist, cpu_init_detectedx);
#endif
        real_main(bist, cpu_init_detectedx);
}

void real_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
        device_t dev;
        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 (bist == 0) {
                bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
        }

        enable_rs690_dev8();
        sb600_lpc_init();

        dev=PNP_DEV(0x2e, W83627DHG_SP1);
        w83627dhg_enable_serial(dev, CONFIG_TTYS0_BASE);
        uart_init();
        console_init();

        /* Halt if there was a built in self test failure */
        report_bist_failure(bist);
        printk_debug("bsp_apicid=0x%x\n", bsp_apicid);

        setup_kt690_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);

        ht_setup_chains_x(sysinfo);

        /* run _early_setup before soft-reset. */
        rs690_early_setup();
        sb600_early_setup();

        /* 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");
                printk_spew("... because cpuid returned %08x\n", cpuid1.edx);
        }

        needs_reset = optimize_link_coherent_ht();
        needs_reset |= optimize_link_incoherent_ht(sysinfo);
        rs690_htinit();
        printk_debug("needs_reset=0x%x\n", needs_reset);


        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);
        sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);

        rs690_before_pci_init();
        sb600_before_pci_init();

        post_cache_as_ram();
}