src/cpu/intel/model_68x/model_68x_init.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2007-2009 coresystems GmbH
   5  * Copyright (C) 2010 Joseph Smith <joe@settoplinux.org>
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; version 2 of
  10  * the License.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
  20  * MA 02110-1301 USA
  21  */
  22
  23 #include <console/console.h>
  24 #include <device/device.h>
  25 #include <device/pci.h>
  26 #include <string.h>
  27 #include <cpu/cpu.h>
  28 #include <cpu/x86/mtrr.h>
  29 #include <cpu/x86/msr.h>
  30 #include <cpu/x86/lapic.h>
  31 #include <cpu/intel/microcode.h>
  32 #include <cpu/x86/cache.h>
  33 #include <usbdebug.h>
  34
  35 static const uint32_t microcode_updates[] = {
  36         #include "microcode-534-MU16810d.h"
  37         #include "microcode-535-MU16810e.h"
  38         #include "microcode-536-MU16810f.h"
  39         #include "microcode-537-MU268110.h"
  40         #include "microcode-538-MU168111.h"
  41         #include "microcode-550-MU168307.h"
  42         #include "microcode-551-MU168308.h"
  43         #include "microcode-727-MU168313.h"
  44         #include "microcode-728-MU168314.h"
  45         #include "microcode-729-MU268310.h"
  46         #include "microcode-611-MU168607.h"
  47         #include "microcode-612-MU168608.h"
  48         #include "microcode-615-MU16860a.h"
  49         #include "microcode-617-MU16860c.h"
  50         #include "microcode-618-MU268602.h"
  51         #include "microcode-662-MU168a01.h"
  52         #include "microcode-691-MU168a04.h"
  53         #include "microcode-692-MU168a05.h"
  54         /*  Dummy terminator  */
  55         0x0, 0x0, 0x0, 0x0,
  56         0x0, 0x0, 0x0, 0x0,
  57         0x0, 0x0, 0x0, 0x0,
  58         0x0, 0x0, 0x0, 0x0,
  59 };
  60
  61 static inline void strcpy(char *dst, char *src)
  62 {
  63         while (*src) *dst++ = *src++;
  64 }
  65
  66 static void fill_processor_name(char *processor_name)
  67 {
  68         struct cpuid_result regs;
  69         char temp_processor_name[49];
  70         char *processor_name_start;
  71         unsigned int *name_as_ints = (unsigned int *)temp_processor_name;
  72         int i;
  73
  74         for (i=0; i<3; i++) {
  75                 regs = cpuid(0x80000002 + i);
  76                 name_as_ints[i*4 + 0] = regs.eax;
  77                 name_as_ints[i*4 + 1] = regs.ebx;
  78                 name_as_ints[i*4 + 2] = regs.ecx;
  79                 name_as_ints[i*4 + 3] = regs.edx;
  80         }
  81
  82         temp_processor_name[48] = 0;
  83
  84         /* Skip leading spaces */
  85         processor_name_start = temp_processor_name;
  86         while (*processor_name_start == ' ')
  87                 processor_name_start++;
  88
  89         memset(processor_name, 0, 49);
  90         strcpy(processor_name, processor_name_start);
  91 }
  92
  93 #if CONFIG_USBDEBUG
  94 static unsigned ehci_debug_addr;
  95 #endif
  96
  97 static void model_68x_init(device_t cpu)
  98 {
  99         char processor_name[49];
 100
 101         /* Turn on caching if we haven't already */
 102         x86_enable_cache();
 103
 104         /* Update the microcode */
 105         intel_update_microcode(microcode_updates);
 106
 107         /* Print processor name */
 108         fill_processor_name(processor_name);
 109         printk(BIOS_INFO, "CPU: %s.\n", processor_name);
 110
 111 #if CONFIG_USBDEBUG
 112         // Is this caution really needed?
 113         if(!ehci_debug_addr)
 114                 ehci_debug_addr = get_ehci_debug();
 115         set_ehci_debug(0);
 116 #endif
 117
 118         /* Setup MTRRs */
 119         x86_setup_mtrrs(36);
 120         x86_mtrr_check();
 121
 122 #if CONFIG_USBDEBUG
 123         set_ehci_debug(ehci_debug_addr);
 124 #endif
 125
 126         /* Enable the local cpu apics */
 127         setup_lapic();
 128 }
 129
 130 static struct device_operations cpu_dev_ops = {
 131         .init     = model_68x_init,
 132 };
 133
 134 static struct cpu_device_id cpu_table[] = {
 135         { X86_VENDOR_INTEL, 0x0680 },
 136         { 0, 0 },
 137 };
 138
 139 static const struct cpu_driver driver __cpu_driver = {
 140         .ops      = &cpu_dev_ops,
 141         .id_table = cpu_table,
 142 };
 143