Scott Duplichan | a649a96 | 2011-02-24 05:00:33 +0000 | [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. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | */ |
| 19 | |
| 20 | #include <stdint.h> |
| 21 | #include <string.h> |
| 22 | #include <device/pci_def.h> |
| 23 | #include <device/pci_ids.h> |
| 24 | #include <arch/io.h> |
| 25 | #include <arch/stages.h> |
| 26 | #include <device/pnp_def.h> |
| 27 | #include <arch/romcc_io.h> |
| 28 | #include <arch/cpu.h> |
| 29 | #include <cpu/x86/lapic.h> |
| 30 | #include <console/console.h> |
| 31 | #include <console/loglevel.h> |
| 32 | #include "agesawrapper.h" |
| 33 | #include "cpu/x86/bist.h" |
Scott Duplichan | 63896e7 | 2011-02-26 17:49:49 +0000 | [diff] [blame] | 34 | #include "superio/winbond/w83627hf/early_serial.c" |
Scott Duplichan | a649a96 | 2011-02-24 05:00:33 +0000 | [diff] [blame] | 35 | #include "cpu/x86/lapic/boot_cpu.c" |
| 36 | #include "pc80/i8254.c" |
| 37 | #include "pc80/i8259.c" |
| 38 | #include "SbEarly.h" |
| 39 | #include "SBPLATFORM.h" |
| 40 | |
| 41 | void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx); |
| 42 | |
Scott Duplichan | 63896e7 | 2011-02-26 17:49:49 +0000 | [diff] [blame] | 43 | #define SERIAL_DEV PNP_DEV(CONFIG_SIO_PORT, W83627HF_SP1) |
Scott Duplichan | a649a96 | 2011-02-24 05:00:33 +0000 | [diff] [blame] | 44 | |
| 45 | void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) |
| 46 | { |
Stefan Reinauer | 44c1d31 | 2011-06-04 10:36:21 -0700 | [diff] [blame^] | 47 | u32 val; |
| 48 | u8 reg8; |
Scott Duplichan | a649a96 | 2011-02-24 05:00:33 +0000 | [diff] [blame] | 49 | |
Stefan Reinauer | 44c1d31 | 2011-06-04 10:36:21 -0700 | [diff] [blame^] | 50 | // all cores: allow caching of flash chip code and data |
| 51 | // (there are no cache-as-ram reliability concerns with family 14h) |
| 52 | __writemsr(0x20c, (0x0100000000ull - CONFIG_ROM_SIZE) | 5); |
| 53 | __writemsr(0x20d, (0x1000000000ull - CONFIG_ROM_SIZE) | 0x800); |
Marshall Buschman | 314f4a2 | 2011-06-04 15:47:05 +0000 | [diff] [blame] | 54 | |
Stefan Reinauer | 44c1d31 | 2011-06-04 10:36:21 -0700 | [diff] [blame^] | 55 | // all cores: set pstate 0 (1600 MHz) early to save a few ms of boot time |
| 56 | __writemsr(0xc0010062, 0); |
Marshall Buschman | fd460e6 | 2011-06-04 15:44:54 +0000 | [diff] [blame] | 57 | |
Stefan Reinauer | 44c1d31 | 2011-06-04 10:36:21 -0700 | [diff] [blame^] | 58 | // early enable of PrefetchEnSPIFromHost |
| 59 | if (boot_cpu()) { |
| 60 | __outdword(0xcf8, 0x8000a3b8); |
| 61 | __outdword(0xcfc, __indword(0xcfc) | 1 << 24); |
| 62 | } |
| 63 | // early enable of SPI 33 MHz fast mode read |
| 64 | if (boot_cpu()) { |
| 65 | volatile u32 *spiBase = (void *)0xa0000000; |
| 66 | u32 save; |
| 67 | __outdword(0xcf8, 0x8000a3a0); |
| 68 | save = __indword(0xcfc); |
| 69 | __outdword(0xcfc, (u32) spiBase | 2); // set temp MMIO base |
| 70 | spiBase[3] = (spiBase[3] & ~(3 << 14)) | (1 << 14); |
| 71 | spiBase[0] |= 1 << 18; // fast read enable |
| 72 | __outdword(0xcfc, save); // clear temp base |
| 73 | } |
Marshall Buschman | 552ad9f | 2011-06-04 15:45:12 +0000 | [diff] [blame] | 74 | |
Stefan Reinauer | 44c1d31 | 2011-06-04 10:36:21 -0700 | [diff] [blame^] | 75 | if (!cpu_init_detectedx && boot_cpu()) { |
| 76 | post_code(0x30); |
| 77 | sb_poweron_init(); |
Marshall Buschman | b3ee0d6 | 2011-06-04 15:44:31 +0000 | [diff] [blame] | 78 | |
Stefan Reinauer | 44c1d31 | 2011-06-04 10:36:21 -0700 | [diff] [blame^] | 79 | post_code(0x31); |
| 80 | w83627hf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); |
| 81 | console_init(); |
| 82 | } |
Scott Duplichan | a649a96 | 2011-02-24 05:00:33 +0000 | [diff] [blame] | 83 | //reg8 = pmio_read(0x24); |
Stefan Reinauer | 44c1d31 | 2011-06-04 10:36:21 -0700 | [diff] [blame^] | 84 | outb(0x24, 0xCD6); |
| 85 | reg8 = inb(0xCD7); |
Scott Duplichan | a649a96 | 2011-02-24 05:00:33 +0000 | [diff] [blame] | 86 | reg8 |= 1; |
| 87 | reg8 &= ~(1 << 1); |
| 88 | //pmio_write(0x24, reg8); |
| 89 | outb(0x24, 0xCD6); |
| 90 | outb(reg8, 0xCD7); |
| 91 | |
Stefan Reinauer | 44c1d31 | 2011-06-04 10:36:21 -0700 | [diff] [blame^] | 92 | *(volatile u32 *)(0xFED80000 + 0xE00 + 0x40) &= ~((1 << 0) | (1 << 2)); /* 48Mhz */ |
| 93 | *(volatile u32 *)(0xFED80000 + 0xE00 + 0x40) |= 1 << 1; /* 48Mhz */ |
Scott Duplichan | a649a96 | 2011-02-24 05:00:33 +0000 | [diff] [blame] | 94 | |
Stefan Reinauer | 44c1d31 | 2011-06-04 10:36:21 -0700 | [diff] [blame^] | 95 | /* Halt if there was a built in self test failure */ |
| 96 | post_code(0x34); |
| 97 | report_bist_failure(bist); |
Scott Duplichan | a649a96 | 2011-02-24 05:00:33 +0000 | [diff] [blame] | 98 | |
Stefan Reinauer | 44c1d31 | 2011-06-04 10:36:21 -0700 | [diff] [blame^] | 99 | // Load MPB |
| 100 | val = cpuid_eax(1); |
| 101 | printk(BIOS_DEBUG, "BSP Family_Model: %08x \n", val); |
| 102 | printk(BIOS_DEBUG, "cpu_init_detectedx = %08lx \n", cpu_init_detectedx); |
Scott Duplichan | a649a96 | 2011-02-24 05:00:33 +0000 | [diff] [blame] | 103 | |
Stefan Reinauer | 44c1d31 | 2011-06-04 10:36:21 -0700 | [diff] [blame^] | 104 | post_code(0x35); |
| 105 | val = agesawrapper_amdinitmmio(); |
Scott Duplichan | a649a96 | 2011-02-24 05:00:33 +0000 | [diff] [blame] | 106 | |
Stefan Reinauer | 44c1d31 | 2011-06-04 10:36:21 -0700 | [diff] [blame^] | 107 | post_code(0x37); |
| 108 | val = agesawrapper_amdinitreset(); |
| 109 | if (val) { |
| 110 | printk(BIOS_DEBUG, "agesawrapper_amdinitreset failed: %x \n", |
| 111 | val); |
| 112 | } |
Scott Duplichan | a649a96 | 2011-02-24 05:00:33 +0000 | [diff] [blame] | 113 | |
Stefan Reinauer | 44c1d31 | 2011-06-04 10:36:21 -0700 | [diff] [blame^] | 114 | post_code(0x38); |
| 115 | printk(BIOS_DEBUG, "Got past sb800_early_setup\n"); |
Scott Duplichan | a649a96 | 2011-02-24 05:00:33 +0000 | [diff] [blame] | 116 | |
Stefan Reinauer | 44c1d31 | 2011-06-04 10:36:21 -0700 | [diff] [blame^] | 117 | post_code(0x39); |
| 118 | val = agesawrapper_amdinitearly(); |
| 119 | if (val) { |
| 120 | printk(BIOS_DEBUG, "agesawrapper_amdinitearly failed: %x \n", |
| 121 | val); |
| 122 | } |
| 123 | printk(BIOS_DEBUG, "Got past agesawrapper_amdinitearly\n"); |
Scott Duplichan | a649a96 | 2011-02-24 05:00:33 +0000 | [diff] [blame] | 124 | |
Stefan Reinauer | 44c1d31 | 2011-06-04 10:36:21 -0700 | [diff] [blame^] | 125 | post_code(0x40); |
| 126 | val = agesawrapper_amdinitpost(); |
| 127 | if (val) { |
| 128 | printk(BIOS_DEBUG, "agesawrapper_amdinitpost failed: %x \n", |
| 129 | val); |
| 130 | } |
| 131 | printk(BIOS_DEBUG, "Got past agesawrapper_amdinitpost\n"); |
Scott Duplichan | a649a96 | 2011-02-24 05:00:33 +0000 | [diff] [blame] | 132 | |
Stefan Reinauer | 44c1d31 | 2011-06-04 10:36:21 -0700 | [diff] [blame^] | 133 | post_code(0x41); |
| 134 | val = agesawrapper_amdinitenv(); |
| 135 | if (val) { |
| 136 | printk(BIOS_DEBUG, "agesawrapper_amdinitenv failed: %x \n", |
| 137 | val); |
| 138 | } |
| 139 | printk(BIOS_DEBUG, "Got past agesawrapper_amdinitenv\n"); |
Scott Duplichan | a649a96 | 2011-02-24 05:00:33 +0000 | [diff] [blame] | 140 | |
Stefan Reinauer | 44c1d31 | 2011-06-04 10:36:21 -0700 | [diff] [blame^] | 141 | /* Initialize i8259 pic */ |
| 142 | post_code(0x41); |
| 143 | setup_i8259(); |
Scott Duplichan | a649a96 | 2011-02-24 05:00:33 +0000 | [diff] [blame] | 144 | |
Stefan Reinauer | 44c1d31 | 2011-06-04 10:36:21 -0700 | [diff] [blame^] | 145 | /* Initialize i8254 timers */ |
| 146 | post_code(0x42); |
| 147 | setup_i8254(); |
Scott Duplichan | a649a96 | 2011-02-24 05:00:33 +0000 | [diff] [blame] | 148 | |
Stefan Reinauer | 44c1d31 | 2011-06-04 10:36:21 -0700 | [diff] [blame^] | 149 | post_code(0x50); |
| 150 | copy_and_run(0); |
Scott Duplichan | a649a96 | 2011-02-24 05:00:33 +0000 | [diff] [blame] | 151 | |
Stefan Reinauer | 44c1d31 | 2011-06-04 10:36:21 -0700 | [diff] [blame^] | 152 | post_code(0x54); // Should never see this post code. |
Scott Duplichan | a649a96 | 2011-02-24 05:00:33 +0000 | [diff] [blame] | 153 | } |