Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [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. |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [diff] [blame] | 14 | */ |
| 15 | |
| 16 | #include <stdint.h> |
| 17 | #include <string.h> |
| 18 | #include <device/pci_def.h> |
| 19 | #include <device/pci_ids.h> |
Kyösti Mälkki | 207880c | 2013-12-10 09:03:17 +0200 | [diff] [blame] | 20 | #include <arch/acpi.h> |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [diff] [blame] | 21 | #include <arch/io.h> |
| 22 | #include <arch/stages.h> |
| 23 | #include <device/pnp_def.h> |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [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> |
Edward O'Callaghan | fdceb48 | 2014-06-02 07:58:14 +1000 | [diff] [blame] | 32 | #include <superio/smsc/smscsuperio/smscsuperio.h> |
Edward O'Callaghan | 77757c2 | 2015-01-04 21:33:39 +1100 | [diff] [blame] | 33 | #include <cpu/x86/lapic.h> |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [diff] [blame] | 34 | #include <cpu/x86/cache.h> |
Paul Menzel | 6974396 | 2013-04-19 10:05:57 +0200 | [diff] [blame] | 35 | #include <sb_cimx.h> |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [diff] [blame] | 36 | #include "SBPLATFORM.h" |
| 37 | #include "cbmem.h" |
Edward O'Callaghan | 77757c2 | 2015-01-04 21:33:39 +1100 | [diff] [blame] | 38 | #include <cpu/amd/mtrr.h> |
| 39 | #include <cpu/amd/agesa/s3_resume.h> |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [diff] [blame] | 40 | |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [diff] [blame] | 41 | |
Jens Rottmann | 23d13b1 | 2013-02-28 10:24:20 +0100 | [diff] [blame] | 42 | #define SERIAL_DEV PNP_DEV(0x4e, SMSCSUPERIO_SP1) |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [diff] [blame] | 43 | |
| 44 | void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) |
| 45 | { |
| 46 | u32 val; |
| 47 | |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [diff] [blame] | 48 | /* |
| 49 | * All cores: allow caching of flash chip code and data |
| 50 | * (there are no cache-as-ram reliability concerns with family 14h) |
| 51 | */ |
Kyösti Mälkki | 107f72e | 2014-01-06 11:06:26 +0200 | [diff] [blame] | 52 | __writemsr (0x20c, (0x0100000000ull - CACHE_ROM_SIZE) | 5); |
| 53 | __writemsr (0x20d, (0x1000000000ull - CACHE_ROM_SIZE) | 0x800); |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [diff] [blame] | 54 | |
| 55 | /* All cores: set pstate 0 (1600 MHz) early to save a few ms of boot time */ |
| 56 | __writemsr (0xc0010062, 0); |
| 57 | |
Kyösti Mälkki | 48518f0 | 2014-11-25 14:20:57 +0200 | [diff] [blame] | 58 | amd_initmmio(); |
Kyösti Mälkki | e453b9a | 2014-11-25 14:03:29 +0200 | [diff] [blame] | 59 | |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [diff] [blame] | 60 | if (!cpu_init_detectedx && boot_cpu()) { |
| 61 | post_code(0x30); |
| 62 | sb_Poweron_Init(); |
| 63 | |
| 64 | post_code(0x31); |
Jens Rottmann | 23d13b1 | 2013-02-28 10:24:20 +0100 | [diff] [blame] | 65 | smscsuperio_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [diff] [blame] | 66 | console_init(); |
| 67 | } |
| 68 | |
| 69 | /* Halt if there was a built in self test failure */ |
| 70 | post_code(0x34); |
| 71 | report_bist_failure(bist); |
| 72 | |
| 73 | /* Load MPB */ |
| 74 | val = cpuid_eax(1); |
Elyes HAOUAS | aedcc10 | 2014-07-21 08:07:19 +0200 | [diff] [blame] | 75 | printk(BIOS_DEBUG, "BSP Family_Model: %08x\n", val); |
| 76 | printk(BIOS_DEBUG, "cpu_init_detectedx = %08lx\n", cpu_init_detectedx); |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [diff] [blame] | 77 | |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [diff] [blame] | 78 | post_code(0x37); |
Kyösti Mälkki | 1aa35c6 | 2014-10-21 14:19:04 +0300 | [diff] [blame] | 79 | agesawrapper_amdinitreset(); |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [diff] [blame] | 80 | |
| 81 | post_code(0x39); |
Kyösti Mälkki | 1aa35c6 | 2014-10-21 14:19:04 +0300 | [diff] [blame] | 82 | agesawrapper_amdinitearly(); |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [diff] [blame] | 83 | |
Kyösti Mälkki | 78c5d58 | 2015-01-09 23:48:47 +0200 | [diff] [blame] | 84 | int s3resume = acpi_is_wakeup_s3(); |
Kyösti Mälkki | e1b468e | 2014-06-18 09:10:53 +0300 | [diff] [blame] | 85 | if (!s3resume) { |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [diff] [blame] | 86 | post_code(0x40); |
Jens Rottmann | f91c8f2 | 2013-03-01 19:01:00 +0100 | [diff] [blame] | 87 | /* Reboots with outb(3,0x92), outb(4,0xcf9) or triple-fault all |
| 88 | * hang, looks like DRAM re-init goes wrong, don't know why. */ |
Kyösti Mälkki | 1aa35c6 | 2014-10-21 14:19:04 +0300 | [diff] [blame] | 89 | val = agesawrapper_amdinitpost(); |
Jens Rottmann | f91c8f2 | 2013-03-01 19:01:00 +0100 | [diff] [blame] | 90 | if (val == 7) /* fatal, amdinitenv below is going to hang */ |
| 91 | outb(0x06, 0x0cf9); /* reset system harder instead */ |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [diff] [blame] | 92 | |
| 93 | post_code(0x42); |
Kyösti Mälkki | 1aa35c6 | 2014-10-21 14:19:04 +0300 | [diff] [blame] | 94 | agesawrapper_amdinitenv(); |
Kyösti Mälkki | 4a08e15 | 2014-12-14 19:41:54 +0200 | [diff] [blame] | 95 | amd_initenv(); |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [diff] [blame] | 96 | |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [diff] [blame] | 97 | } else { /* S3 detect */ |
| 98 | printk(BIOS_INFO, "S3 detected\n"); |
| 99 | |
| 100 | post_code(0x60); |
Kyösti Mälkki | 1aa35c6 | 2014-10-21 14:19:04 +0300 | [diff] [blame] | 101 | agesawrapper_amdinitresume(); |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [diff] [blame] | 102 | |
Kyösti Mälkki | 1aa35c6 | 2014-10-21 14:19:04 +0300 | [diff] [blame] | 103 | agesawrapper_amds3laterestore(); |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [diff] [blame] | 104 | |
| 105 | post_code(0x61); |
Kyösti Mälkki | 23b4f0c | 2014-06-18 09:55:26 +0300 | [diff] [blame] | 106 | prepare_for_resume(); |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [diff] [blame] | 107 | } |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [diff] [blame] | 108 | |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [diff] [blame] | 109 | post_code(0x50); |
Stefan Reinauer | 648d166 | 2013-05-06 18:05:39 -0700 | [diff] [blame] | 110 | copy_and_run(); |
Jens Rottmann | 73d4965 | 2013-02-28 09:56:20 +0100 | [diff] [blame] | 111 | printk(BIOS_ERR, "Error: copy_and_run() returned!\n"); |
| 112 | |
| 113 | post_code(0x54); /* Should never see this post code. */ |
| 114 | } |