src/mainboard/amd/dbm690t/cache_as_ram_auto.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2008 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 #define ASSEMBLY 1
  21 #define __ROMCC__
  22
  23 #define RAMINIT_SYSINFO 1
  24 #define K8_SET_FIDVID 1
  25 #define QRANK_DIMM_SUPPORT 1
  26 #if CONFIG_LOGICAL_CPUS==1
  27 #define SET_NB_CFG_54 1
  28 #endif
  29
  30 #define RC0 (6<<8)
  31 #define RC1 (7<<8)
  32
  33 #define DIMM0 0x50
  34 #define DIMM1 0x51
  35
  36 #define ICS951462_ADDRESS       0x69
  37 #define SMBUS_HUB 0x71
  38
  39 #include <stdint.h>
  40 #include <string.h>
  41 #include <device/pci_def.h>
  42 #include <arch/io.h>
  43 #include <device/pnp_def.h>
  44 #include <arch/romcc_io.h>
  45 #include <cpu/x86/lapic.h>
  46 #include "option_table.h"
  47 #include "pc80/mc146818rtc_early.c"
  48 #include "pc80/serial.c"
  49 #include "arch/i386/lib/console.c"
  50
  51 #define post_code(x) outb(x, 0x80)
  52
  53 #include <cpu/amd/model_fxx_rev.h>
  54 #include "northbridge/amd/amdk8/raminit.h"
  55 #include "cpu/amd/model_fxx/apic_timer.c"
  56 #include "lib/delay.c"
  57
  58 #include "cpu/x86/lapic/boot_cpu.c"
  59 #include "northbridge/amd/amdk8/reset_test.c"
  60 #include "northbridge/amd/amdk8/debug.c"
  61 #include "superio/ite/it8712f/it8712f_early_serial.c"
  62
  63 #include "cpu/amd/mtrr/amd_earlymtrr.c"
  64 #include "cpu/x86/bist.h"
  65
  66 #include "northbridge/amd/amdk8/setup_resource_map.c"
  67
  68 #include "southbridge/amd/rs690/rs690_early_setup.c"
  69 #include "southbridge/amd/sb600/sb600_early_setup.c"
  70
  71 /* CAN'T BE REMOVED! crt0.S will use it. I don't know WHY!*/
  72 static void memreset(int controllers, const struct mem_controller *ctrl)
  73 {
  74 }
  75
  76 /* called in raminit_f.c */
  77 static inline void activate_spd_rom(const struct mem_controller *ctrl)
  78 {
  79 }
  80
  81 /*called in raminit_f.c */
  82 static inline int spd_read_byte(u32 device, u32 address)
  83 {
  84         return smbus_read_byte(device, address);
  85 }
  86
  87 #include "northbridge/amd/amdk8/amdk8.h"
  88 #include "northbridge/amd/amdk8/incoherent_ht.c"
  89 #include "northbridge/amd/amdk8/raminit_f.c"
  90 #include "northbridge/amd/amdk8/coherent_ht.c"
  91 #include "sdram/generic_sdram.c"
  92 #include "resourcemap.c"
  93
  94 #include "cpu/amd/dualcore/dualcore.c"
  95
  96 #include "cpu/amd/car/copy_and_run.c"
  97 #include "cpu/amd/car/post_cache_as_ram.c"
  98
  99 #include "cpu/amd/model_fxx/init_cpus.c"
 100
 101 #include "cpu/amd/model_fxx/fidvid.c"
 102
 103 #if CONFIG_USE_FALLBACK_IMAGE == 1
 104
 105 #include "northbridge/amd/amdk8/early_ht.c"
 106
 107 void failover_process(unsigned long bist, unsigned long cpu_init_detectedx)
 108 {
 109         /* Is this a cpu only reset? Is this a secondary cpu? */
 110         if ((cpu_init_detectedx) || (!boot_cpu())) {
 111                 if (last_boot_normal()) {       /* RTC already inited */
 112                         goto normal_image;
 113                 } else {
 114                         goto fallback_image;
 115                 }
 116         }
 117         /* Nothing special needs to be done to find bus 0 */
 118         /* Allow the HT devices to be found */
 119         enumerate_ht_chain();
 120
 121         /* sb600_lpc_port80(); */
 122         sb600_pci_port80();
 123
 124         /* Is this a deliberate reset by the bios */
 125         if (bios_reset_detected() && last_boot_normal()) {
 126                 goto normal_image;
 127         }
 128         /* This is the primary cpu how should I boot? */
 129         else if (do_normal_boot()) {
 130                 goto normal_image;
 131         } else {
 132                 goto fallback_image;
 133         }
 134 normal_image:
 135         post_code(0x23);
 136         __asm__ volatile ("jmp __normal_image": /* outputs */
 137                           :"a" (bist), "b"(cpu_init_detectedx)  /* inputs */);
 138
 139 fallback_image:
 140         post_code(0x25);
 141 }
 142 #endif                          /* CONFIG_USE_FALLBACK_IMAGE == 1 */
 143
 144 void real_main(unsigned long bist, unsigned long cpu_init_detectedx);
 145
 146 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 147 {
 148
 149 #if CONFIG_USE_FALLBACK_IMAGE == 1
 150         failover_process(bist, cpu_init_detectedx);
 151 #endif
 152         real_main(bist, cpu_init_detectedx);
 153 }
 154
 155 void real_main(unsigned long bist, unsigned long cpu_init_detectedx)
 156 {
 157         static const u16 spd_addr[] = { DIMM0, 0, 0, 0, DIMM1, 0, 0, 0, };
 158         int needs_reset = 0;
 159         u32 bsp_apicid = 0;
 160         msr_t msr;
 161         struct cpuid_result cpuid1;
 162         struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
 163
 164
 165         if (bist == 0) {
 166                 bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
 167         }
 168
 169         enable_rs690_dev8();
 170         sb600_lpc_init();
 171
 172         /* it8712f_enable_serial does not use its 1st parameter. */
 173         it8712f_enable_serial(0, CONFIG_TTYS0_BASE);
 174         uart_init();
 175         console_init();
 176
 177         /* Halt if there was a built in self test failure */
 178         report_bist_failure(bist);
 179         printk_debug("bsp_apicid=0x%x\n", bsp_apicid);
 180
 181         setup_dbm690t_resource_map();
 182
 183         setup_coherent_ht_domain();
 184
 185 #if CONFIG_LOGICAL_CPUS==1
 186         /* It is said that we should start core1 after all core0 launched */
 187         wait_all_core0_started();
 188         start_other_cores();
 189 #endif
 190         wait_all_aps_started(bsp_apicid);
 191
 192         ht_setup_chains_x(sysinfo);
 193
 194         /* run _early_setup before soft-reset. */
 195         rs690_early_setup();
 196         sb600_early_setup();
 197
 198         /* Check to see if processor is capable of changing FIDVID  */
 199         /* otherwise it will throw a GP# when reading FIDVID_STATUS */
 200         cpuid1 = cpuid(0x80000007);
 201         if( (cpuid1.edx & 0x6) == 0x6 ) {
 202
 203                 /* Read FIDVID_STATUS */
 204                 msr=rdmsr(0xc0010042);
 205                 printk_debug("begin msr fid, vid: hi=0x%x, lo=0x%x\n", msr.hi, msr.lo);
 206
 207                 enable_fid_change();
 208                 enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
 209                 init_fidvid_bsp(bsp_apicid);
 210
 211                 /* show final fid and vid */
 212                 msr=rdmsr(0xc0010042);
 213                 printk_debug("end msr fid, vid: hi=0x%x, lo=0x%x\n", msr.hi, msr.lo);
 214
 215         } else {
 216                 printk_debug("Changing FIDVID not supported\n");
 217         }
 218
 219         needs_reset = optimize_link_coherent_ht();
 220         needs_reset |= optimize_link_incoherent_ht(sysinfo);
 221         rs690_htinit();
 222         printk_debug("needs_reset=0x%x\n", needs_reset);
 223
 224
 225         if (needs_reset) {
 226                 print_info("ht reset -\r\n");
 227                 soft_reset();
 228         }
 229
 230         allow_all_aps_stop(bsp_apicid);
 231
 232         /* It's the time to set ctrl now; */
 233         printk_debug("sysinfo->nodes: %2x  sysinfo->ctrl: %2x  spd_addr: %2x\n",
 234                      sysinfo->nodes, sysinfo->ctrl, spd_addr);
 235         fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
 236         sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
 237
 238         rs690_before_pci_init();
 239         sb600_before_pci_init();
 240
 241         post_cache_as_ram();
 242 }