| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2011 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. |
| */ |
| |
| #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/x86/mtrr.h> |
| #include <cpu/amd/car.h> |
| #include <northbridge/amd/agesa/agesawrapper.h> |
| #include <cpu/x86/bist.h> |
| #include <superio/smsc/smscsuperio/smscsuperio.h> |
| #include <cpu/x86/lapic.h> |
| #include <cpu/x86/cache.h> |
| #include <sb_cimx.h> |
| #include "SBPLATFORM.h" |
| #include "cbmem.h" |
| #include <cpu/amd/mtrr.h> |
| #include <cpu/amd/agesa/s3_resume.h> |
| |
| |
| #define SERIAL_DEV PNP_DEV(0x4e, SMSCSUPERIO_SP1) |
| |
| void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) |
| { |
| u32 val; |
| |
| /* |
| * All cores: allow caching of flash chip code and data |
| * (there are no cache-as-ram reliability concerns with family 14h) |
| */ |
| __writemsr (0x20c, (0x0100000000ull - CACHE_ROM_SIZE) | 5); |
| __writemsr (0x20d, (0x1000000000ull - CACHE_ROM_SIZE) | 0x800); |
| |
| /* All cores: set pstate 0 (1600 MHz) early to save a few ms of boot time */ |
| __writemsr (0xc0010062, 0); |
| |
| amd_initmmio(); |
| |
| if (!cpu_init_detectedx && boot_cpu()) { |
| post_code(0x30); |
| sb_Poweron_Init(); |
| |
| post_code(0x31); |
| smscsuperio_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); |
| 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(0x39); |
| agesawrapper_amdinitearly(); |
| |
| int s3resume = acpi_is_wakeup_s3(); |
| if (!s3resume) { |
| post_code(0x40); |
| /* Reboots with outb(3,0x92), outb(4,0xcf9) or triple-fault all |
| * hang, looks like DRAM re-init goes wrong, don't know why. */ |
| val = agesawrapper_amdinitpost(); |
| if (val == 7) /* fatal, amdinitenv below is going to hang */ |
| outb(0x06, 0x0cf9); /* reset system harder instead */ |
| |
| post_code(0x42); |
| agesawrapper_amdinitenv(); |
| amd_initenv(); |
| |
| } 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(); |
| printk(BIOS_ERR, "Error: copy_and_run() returned!\n"); |
| |
| post_code(0x54); /* Should never see this post code. */ |
| } |