src/mainboard/iwill/dk8_htx/romstage.c

   1 #if CONFIG_K8_REV_F_SUPPORT == 1
   2 #define K8_REV_F_SUPPORT_F0_F1_WORKAROUND 0
   3 #endif
   4
   5 #include <stdint.h>
   6 #include <string.h>
   7 #include <device/pci_def.h>
   8 #include <device/pci_ids.h>
   9 #include <arch/io.h>
  10 #include <device/pnp_def.h>
  11 #include <arch/romcc_io.h>
  12 #include <cpu/x86/lapic.h>
  13 #include <pc80/mc146818rtc.h>
  14 #include <console/console.h>
  15 #include <cpu/amd/model_fxx_rev.h>
  16 #include "southbridge/amd/amd8111/amd8111_early_smbus.c"
  17 #include "northbridge/amd/amdk8/raminit.h"
  18 #include "cpu/amd/model_fxx/apic_timer.c"
  19 #include "cpu/x86/lapic/boot_cpu.c"
  20 #include "northbridge/amd/amdk8/reset_test.c"
  21 #include "cpu/x86/bist.h"
  22 #include "lib/delay.c"
  23 #include "northbridge/amd/amdk8/debug.c"
  24 #include "cpu/x86/mtrr/earlymtrr.c"
  25 #include "superio/winbond/w83627hf/w83627hf_early_serial.c"
  26 #include "northbridge/amd/amdk8/setup_resource_map.c"
  27 #include "southbridge/amd/amd8111/amd8111_early_ctrl.c"
  28
  29 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
  30
  31 /*
  32  * GPIO28 of 8111 will control H0_MEMRESET_L
  33  * GPIO29 of 8111 will control H1_MEMRESET_L
  34  */
  35 static void memreset_setup(void)
  36 {
  37         if (is_cpu_pre_c0()) {
  38                 /* Set the memreset low. */
  39                 outb((1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 28);
  40                 /* Ensure the BIOS has control of the memory lines. */
  41                 outb((1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 29);
  42         } else {
  43                 /* Ensure the CPU has control of the memory lines. */
  44                 outb((1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 29);
  45         }
  46 }
  47
  48 static void memreset(int controllers, const struct mem_controller *ctrl)
  49 {
  50         if (is_cpu_pre_c0()) {
  51                 udelay(800);
  52                 /* Set memreset_high */
  53                 outb((1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 28);
  54                 udelay(90);
  55         }
  56 }
  57
  58 static void activate_spd_rom(const struct mem_controller *ctrl) { }
  59
  60 static inline int spd_read_byte(unsigned device, unsigned address)
  61 {
  62         return smbus_read_byte(device, address);
  63 }
  64
  65 #include "northbridge/amd/amdk8/amdk8.h"
  66 #include "northbridge/amd/amdk8/incoherent_ht.c"
  67 #include "northbridge/amd/amdk8/coherent_ht.c"
  68 #include "northbridge/amd/amdk8/raminit.c"
  69 #include "lib/generic_sdram.c"
  70 #include "resourcemap.c"
  71 #include "cpu/amd/dualcore/dualcore.c"
  72 #include <spd.h>
  73 #include "cpu/amd/car/post_cache_as_ram.c"
  74 #include "cpu/amd/model_fxx/init_cpus.c"
  75 #include "cpu/amd/model_fxx/fidvid.c"
  76 #include "southbridge/amd/amd8111/amd8111_enable_rom.c"
  77 #include "northbridge/amd/amdk8/early_ht.c"
  78
  79 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
  80 {
  81         static const uint16_t spd_addr[] = {
  82                 // first node
  83                 DIMM0, DIMM2, 0, 0,
  84                 DIMM1, DIMM3, 0, 0,
  85                 // second node
  86                 DIMM4, DIMM6, 0, 0,
  87                 DIMM5, DIMM7, 0, 0,
  88         };
  89
  90         struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE
  91                 + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
  92         int needs_reset;
  93         unsigned bsp_apicid = 0;
  94
  95         if (!cpu_init_detectedx && boot_cpu()) {
  96                 /* Nothing special needs to be done to find bus 0 */
  97                 /* Allow the HT devices to be found */
  98                 enumerate_ht_chain();
  99                 amd8111_enable_rom();
 100         }
 101
 102         if (bist == 0)
 103                 bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
 104
 105         w83627hf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
 106         uart_init();
 107         console_init();
 108
 109         /* Halt if there was a built in self test failure */
 110         report_bist_failure(bist);
 111
 112         printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);
 113
 114         setup_mb_resource_map();
 115
 116         print_debug("bsp_apicid="); print_debug_hex8(bsp_apicid); print_debug("\n");
 117
 118 #if CONFIG_MEM_TRAIN_SEQ == 1
 119         set_sysinfo_in_ram(0); // in BSP so could hold all ap until sysinfo is in ram
 120 #endif
 121         setup_coherent_ht_domain(); // routing table and start other core0
 122
 123         wait_all_core0_started();
 124 #if CONFIG_LOGICAL_CPUS==1
 125         // It is said that we should start core1 after all core0 launched
 126         /* becase optimize_link_coherent_ht is moved out from setup_coherent_ht_domain,
 127          * So here need to make sure last core0 is started, esp for two way system,
 128          * (there may be apic id conflicts in that case)
 129          */
 130         start_other_cores();
 131         wait_all_other_cores_started(bsp_apicid);
 132 #endif
 133
 134         /* it will set up chains and store link pair for optimization later */
 135         ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn
 136
 137 #if CONFIG_SET_FIDVID
 138         {
 139                 msr_t msr;
 140                 msr=rdmsr(0xc0010042);
 141                 print_debug("begin msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\n");
 142         }
 143         enable_fid_change();
 144         enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
 145         init_fidvid_bsp(bsp_apicid);
 146         // show final fid and vid
 147         {
 148                 msr_t msr;
 149                 msr=rdmsr(0xc0010042);
 150                 print_debug("end   msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\n");
 151         }
 152 #endif
 153
 154         needs_reset = optimize_link_coherent_ht();
 155         needs_reset |= optimize_link_incoherent_ht(sysinfo);
 156
 157         // fidvid change will issue one LDTSTOP and the HT change will be effective too
 158         if (needs_reset) {
 159                 print_info("ht reset -\n");
 160                 soft_reset_x(sysinfo->sbbusn, sysinfo->sbdn);
 161         }
 162
 163         allow_all_aps_stop(bsp_apicid);
 164
 165         //It's the time to set ctrl in sysinfo now;
 166         fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
 167
 168         enable_smbus();
 169
 170 #if 0
 171         dump_smbus_registers();
 172 #endif
 173
 174         memreset_setup();
 175
 176         //do we need apci timer, tsc...., only debug need it for better output
 177         /* all ap stopped? */
 178         init_timer(); // Need to use TMICT to synconize FID/VID
 179         sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
 180
 181 #if 0
 182         dump_pci_devices();
 183 #endif
 184
 185         post_cache_as_ram(); // bsp swtich stack to ram and copy sysinfo ram now
 186 }