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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2012 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.
*/
#include <stdint.h>
#include <string.h>
#include <device/pci_def.h>
#include <device/pci_ids.h>
#include <arch/acpi.h>
#include <arch/io.h>
#include <arch/stages.h>
#include <device/pnp_def.h>
#include <arch/cpu.h>
#include <cpu/x86/lapic.h>
#include <console/console.h>
#include <commonlib/loglevel.h>
#include <cpu/amd/car.h>
#include <northbridge/amd/pi/agesawrapper.h>
#include <northbridge/amd/pi/agesawrapper_call.h>
#include <cpu/x86/bist.h>
#include <cpu/x86/lapic.h>
#include <southbridge/amd/pi/hudson/hudson.h>
#include <cpu/amd/pi/s3_resume.h>
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
u32 val;
/*
* In Hudson RRG, PMIOxD2[5:4] is "Drive strength control for
* LpcClk[1:0]". This following register setting has been
* replicated in every reference design since Parmer, so it is
* believed to be required even though it is not documented in
* the SoC BKDGs. Without this setting, there is no serial
* output.
*/
outb(0xD2, 0xcd6);
outb(0x00, 0xcd7);
amd_initmmio();
hudson_lpc_port80();
if (!cpu_init_detectedx && boot_cpu()) {
post_code(0x30);
post_code(0x31);
console_init();
}
/* Halt if there was a built in self test failure */
post_code(0x34);
report_bist_failure(bist);
/* Load MPB */
val = cpuid_eax(1);
printk(BIOS_DEBUG, "BSP Family_Model: %08x \n", val);
printk(BIOS_DEBUG, "cpu_init_detectedx = %08lx \n", cpu_init_detectedx);
/*
* This refers to LpcClkDrvSth settling time. Without this setting, processor
* initialization is slow or incorrect, so this wait has been replicated from
* earlier development boards.
*/
{
int i;
for(i = 0; i < 200000; i++) inb(0xCD6);
}
post_code(0x37);
AGESAWRAPPER(amdinitreset);
post_code(0x38);
printk(BIOS_DEBUG, "Got past avalon_early_setup\n");
post_code(0x39);
AGESAWRAPPER(amdinitearly);
int s3resume = acpi_is_wakeup_s3();
if (!s3resume) {
post_code(0x40);
AGESAWRAPPER(amdinitpost);
//PspMboxBiosCmdDramInfo();
post_code(0x41);
AGESAWRAPPER(amdinitenv);
/*
If code hangs here, please check cahaltasm.S
*/
disable_cache_as_ram();
} else { /* S3 detect */
printk(BIOS_INFO, "S3 detected\n");
post_code(0x60);
AGESAWRAPPER(amdinitresume);
AGESAWRAPPER(amds3laterestore);
post_code(0x61);
prepare_for_resume();
}
outb(0xEA, 0xCD6);
outb(0x1, 0xcd7);
post_code(0x50);
copy_and_run();
post_code(0x54); /* Should never see this post code. */
}
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