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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2017 Kyösti Mälkki
*
* 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.
*/
#include <arch/cpu.h>
#include <cbmem.h>
#include <cpu/amd/car.h>
#include <cpu/x86/mtrr.h>
#include <console/console.h>
#include <program_loading.h>
#include <romstage_handoff.h>
#include <northbridge/amd/agesa/agesa_helper.h>
#include <northbridge/amd/agesa/state_machine.h>
void asmlinkage early_all_cores(void)
{
amd_initmmio();
}
void * asmlinkage romstage_main(unsigned long bist)
{
int s3resume = 0;
u8 initial_apic_id = cpuid_ebx(1) >> 24;
/* Only BSP returns from here. */
cache_as_ram_main(bist, initial_apic_id);
cbmem_recovery(s3resume);
romstage_handoff_init(s3resume);
uintptr_t stack_top = romstage_ram_stack_base(HIGH_ROMSTAGE_STACK_SIZE,
ROMSTAGE_STACK_CBMEM);
stack_top += HIGH_ROMSTAGE_STACK_SIZE;
printk(BIOS_DEBUG, "Move CAR stack.\n");
return (void*)stack_top;
}
void asmlinkage romstage_after_car(void)
{
printk(BIOS_DEBUG, "CAR disabled.\n");
agesa_postcar(NULL);
run_ramstage();
}
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