| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2015 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 <console/console.h> |
| #include <arch/acpi.h> |
| #include <arch/stages.h> |
| #include <cpu/x86/lapic.h> |
| #include <cpu/x86/bist.h> |
| #include <cpu/amd/car.h> |
| #include <cpu/amd/pi/s3_resume.h> |
| #include <northbridge/amd/pi/agesawrapper.h> |
| #include <northbridge/amd/pi/agesawrapper_call.h> |
| #include <southbridge/amd/pi/hudson/hudson.h> |
| |
| void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) |
| { |
| u32 val; |
| #if CONFIG_HAVE_ACPI_RESUME |
| void *resume_backup_memory; |
| #endif |
| |
| 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); |
| |
| post_code(0x37); |
| AGESAWRAPPER(amdinitreset); |
| post_code(0x38); |
| printk(BIOS_DEBUG, "Got past agesawrapper_amdinitreset\n"); |
| |
| post_code(0x39); |
| AGESAWRAPPER(amdinitearly); |
| int s3resume = acpi_is_wakeup_s3(); |
| if (!s3resume) { |
| post_code(0x40); |
| AGESAWRAPPER(amdinitpost); |
| post_code(0x41); |
| AGESAWRAPPER(amdinitenv); |
| /* TODO: Disable cache is not ok. */ |
| 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(); |
| } |
| |
| post_code(0x50); |
| copy_and_run(); |
| |
| post_code(0x54); /* Should never see this post code. */ |
| } |