Kerry Sheh | b9136ed8 | 2011-11-15 21:27:57 +0800 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2011 Advanced Micro Devices, Inc. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 of the License. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
Kerry Sheh | b9136ed8 | 2011-11-15 21:27:57 +0800 | [diff] [blame] | 14 | */ |
| 15 | |
| 16 | #include <lib.h> |
| 17 | #include <stdint.h> |
| 18 | #include <string.h> |
| 19 | #include <device/pci_def.h> |
| 20 | #include <device/pci_ids.h> |
| 21 | #include <arch/io.h> |
| 22 | #include <arch/stages.h> |
| 23 | #include <device/pnp_def.h> |
Kerry Sheh | b9136ed8 | 2011-11-15 21:27:57 +0800 | [diff] [blame] | 24 | #include <arch/cpu.h> |
| 25 | #include <cpu/x86/lapic.h> |
| 26 | #include <console/console.h> |
Aaron Durbin | dc9f5cd | 2015-09-08 13:34:43 -0500 | [diff] [blame] | 27 | #include <commonlib/loglevel.h> |
Kyösti Mälkki | 107f72e | 2014-01-06 11:06:26 +0200 | [diff] [blame] | 28 | #include <cpu/x86/mtrr.h> |
Edward O'Callaghan | bf9d122 | 2014-10-29 09:26:00 +1100 | [diff] [blame] | 29 | #include <cpu/amd/car.h> |
Kyösti Mälkki | f21c2ac | 2014-10-19 09:35:18 +0300 | [diff] [blame] | 30 | #include <northbridge/amd/agesa/agesawrapper.h> |
Edward O'Callaghan | 77757c2 | 2015-01-04 21:33:39 +1100 | [diff] [blame] | 31 | #include <cpu/x86/bist.h> |
| 32 | #include <cpu/x86/lapic.h> |
Paul Menzel | 6974396 | 2013-04-19 10:05:57 +0200 | [diff] [blame] | 33 | #include <sb_cimx.h> |
Kerry Sheh | b9136ed8 | 2011-11-15 21:27:57 +0800 | [diff] [blame] | 34 | #include "SBPLATFORM.h" |
| 35 | |
| 36 | #define SERIAL_DEV PNP_DEV(0x4e, F81865F_SP1) |
| 37 | |
| 38 | void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) |
| 39 | { |
| 40 | u32 val; |
| 41 | |
Marc Jones | 938ae3e | 2012-01-17 16:51:24 -0700 | [diff] [blame] | 42 | /* |
| 43 | * All cores: allow caching of flash chip code and data |
| 44 | * (there are no cache-as-ram reliability concerns with family 14h) |
| 45 | */ |
Kyösti Mälkki | 107f72e | 2014-01-06 11:06:26 +0200 | [diff] [blame] | 46 | __writemsr (0x20c, (0x0100000000ull - CACHE_ROM_SIZE) | 5); |
| 47 | __writemsr (0x20d, (0x1000000000ull - CACHE_ROM_SIZE) | 0x800); |
Kerry Sheh | b9136ed8 | 2011-11-15 21:27:57 +0800 | [diff] [blame] | 48 | |
Kyösti Mälkki | 48518f0 | 2014-11-25 14:20:57 +0200 | [diff] [blame] | 49 | amd_initmmio(); |
Kyösti Mälkki | e453b9a | 2014-11-25 14:03:29 +0200 | [diff] [blame] | 50 | |
Kerry Sheh | b9136ed8 | 2011-11-15 21:27:57 +0800 | [diff] [blame] | 51 | if (!cpu_init_detectedx && boot_cpu()) { |
| 52 | post_code(0x30); |
| 53 | sb_Poweron_Init(); |
| 54 | |
| 55 | post_code(0x31); |
Kerry Sheh | b9136ed8 | 2011-11-15 21:27:57 +0800 | [diff] [blame] | 56 | console_init(); |
| 57 | } |
| 58 | |
| 59 | /* Halt if there was a built in self test failure */ |
| 60 | post_code(0x34); |
| 61 | report_bist_failure(bist); |
| 62 | |
Marc Jones | 938ae3e | 2012-01-17 16:51:24 -0700 | [diff] [blame] | 63 | /* Load MPB */ |
Kerry Sheh | b9136ed8 | 2011-11-15 21:27:57 +0800 | [diff] [blame] | 64 | val = cpuid_eax(1); |
Elyes HAOUAS | aedcc10 | 2014-07-21 08:07:19 +0200 | [diff] [blame] | 65 | printk(BIOS_DEBUG, "BSP Family_Model: %08x\n", val); |
| 66 | printk(BIOS_DEBUG, "cpu_init_detectedx = %08lx\n", cpu_init_detectedx); |
Kerry Sheh | b9136ed8 | 2011-11-15 21:27:57 +0800 | [diff] [blame] | 67 | |
Kerry Sheh | b9136ed8 | 2011-11-15 21:27:57 +0800 | [diff] [blame] | 68 | post_code(0x37); |
Kyösti Mälkki | 1aa35c6 | 2014-10-21 14:19:04 +0300 | [diff] [blame] | 69 | agesawrapper_amdinitreset(); |
Kerry Sheh | b9136ed8 | 2011-11-15 21:27:57 +0800 | [diff] [blame] | 70 | |
| 71 | post_code(0x39); |
Kyösti Mälkki | 1aa35c6 | 2014-10-21 14:19:04 +0300 | [diff] [blame] | 72 | agesawrapper_amdinitearly(); |
Kerry Sheh | b9136ed8 | 2011-11-15 21:27:57 +0800 | [diff] [blame] | 73 | |
| 74 | post_code(0x40); |
Kyösti Mälkki | 1aa35c6 | 2014-10-21 14:19:04 +0300 | [diff] [blame] | 75 | agesawrapper_amdinitpost(); |
Kerry Sheh | b9136ed8 | 2011-11-15 21:27:57 +0800 | [diff] [blame] | 76 | |
| 77 | post_code(0x41); |
Kyösti Mälkki | 1aa35c6 | 2014-10-21 14:19:04 +0300 | [diff] [blame] | 78 | agesawrapper_amdinitenv(); |
Kyösti Mälkki | 4a08e15 | 2014-12-14 19:41:54 +0200 | [diff] [blame] | 79 | amd_initenv(); |
Kerry Sheh | b9136ed8 | 2011-11-15 21:27:57 +0800 | [diff] [blame] | 80 | |
| 81 | post_code(0x50); |
Stefan Reinauer | 648d166 | 2013-05-06 18:05:39 -0700 | [diff] [blame] | 82 | copy_and_run(); |
Marc Jones | 938ae3e | 2012-01-17 16:51:24 -0700 | [diff] [blame] | 83 | printk(BIOS_ERR, "Error: copy_and_run() returned!\n"); |
Kerry Sheh | b9136ed8 | 2011-11-15 21:27:57 +0800 | [diff] [blame] | 84 | |
Marc Jones | 938ae3e | 2012-01-17 16:51:24 -0700 | [diff] [blame] | 85 | post_code(0x54); /* Should never see this post code. */ |
Kerry Sheh | b9136ed8 | 2011-11-15 21:27:57 +0800 | [diff] [blame] | 86 | } |