src/mainboard/technologic/ts5300/romstage.c

   1 /*
   2  * TS5300 specific initialization code.
   3  *   written by Stefan Reinauer <stepan@coresystems.de>
   4  *   (c) 2006 coresystems GmbH
   5  */
   6
   7 #include <stdint.h>
   8 #include <device/pci_def.h>
   9 #include <arch/io.h>
  10 #include <device/pnp_def.h>
  11 #include <arch/romcc_io.h>
  12 #include <arch/hlt.h>
  13 #include "pc80/mc146818rtc_early.c"
  14 #include "pc80/serial.c"
  15 #include "console/console.c"
  16 #include "lib/ramtest.c"
  17 #include "cpu/x86/bist.h"
  18
  19 #define TS5300_LED_OFF outb((inb(0x77)&0xfe), 0x77)
  20 #define TS5300_LED_ON  outb((inb(0x77)|1), 0x77)
  21
  22 #define TS9500_LED_OFF outb((inb(0x19a)&0xfe), 0x19a)
  23 #define TS9500_LED_ON  outb((inb(0x19a)|1), 0x19a)
  24
  25 /* PAR register setup */
  26 void setup_pars(void)
  27 {
  28         volatile unsigned long *par;
  29         par = (unsigned long *) 0xfffef088;
  30
  31         /* NOTE: Ron says, move this to mainboard.c */
  32         *par++ = 0x00000000;
  33         *par++ = 0x340f0070;
  34         *par++ = 0x380701f0;
  35         *par++ = 0x3c0103f6;
  36         *par++ = 0x2c0f0300;
  37         *par++ = 0x447c00a0;
  38         *par++ = 0xe600000c;
  39         *par++ = 0x300046e8;
  40         *par++ = 0x500400d0;
  41         *par++ = 0x281f0140;
  42         *par++ = 0x00000000;
  43         *par++ = 0x00000000;
  44         *par++ = 0x00000000;
  45         *par++ = 0x8a07c940; /* Flash setup */
  46         *par++ = 0x00000000;
  47         *par++ = 0xee00400e;
  48 }
  49
  50 #include "cpu/amd/sc520/raminit.c"
  51
  52 static void identify_ts9500(void)
  53 {
  54         unsigned i, val;
  55
  56         TS9500_LED_ON;
  57
  58         print_err("TS-9500 add-on found:\n");
  59         val=inb(0x19b);
  60         for (i=0; i<8; i++) {
  61                 print_err("  DIP");
  62                 print_err_char(i+0x31);
  63                 print_err(": ");
  64                 if((val&(1<<i))!=0)
  65                         print_err("on\n");
  66                 else
  67                         print_err("off\n");
  68         }
  69         print_err("\n");
  70
  71         val=inb(0x19a);
  72
  73         for (i=6; i<8; i++) {
  74                 print_err("  JP");
  75                 print_err_char(i+0x30-5);
  76                 print_err(": ");
  77                 if((val&(1<<i))!=0)
  78                         print_err("on\n");
  79                 else
  80                         print_err("off\n");
  81         }
  82         print_err("\n");
  83
  84         TS9500_LED_OFF;
  85 }
  86
  87 static void identify_system(void)
  88 {
  89         unsigned i,val;
  90
  91         print_err("Mainboard: ");
  92         val=inb(0x74);
  93         switch(val) {
  94         case 0x50: print_err("TS-5300\n"); break;
  95         case 0x40: print_err("TS-5400\n"); break;
  96         case 0x60: print_err("TS-5500\n"); break;
  97         case 0x20: print_err("TS-5600\n"); break;
  98         case 0x70: print_err("TS-5700\n"); break;
  99         default:   print_err("unknown\n"); break;
 100         }
 101
 102         val=inb(0x75);
 103         print_err("  SRAM option:   ");
 104         if((val&1)==0) print_err("not ");
 105         print_err("installed\n");
 106
 107         print_err("  RS-485 option: ");
 108         if((val&2)==0) print_err("not ");
 109         print_err("installed\n");
 110
 111         val=inb(0x76);
 112         print_err("  Temp. range:   ");
 113         if((val&2)==0) print_err("commercial\n");
 114         else print_err("industrial\n");
 115
 116         print_err("\n");
 117
 118         val=inb(0x77);
 119         for (i=1; i<8; i++) {
 120                 print_err("  JP");
 121                 print_err_char(i+0x30);
 122                 print_err(": ");
 123                 if((val&(1<<i))!=0)
 124                         print_err("on\n");
 125                 else
 126                         print_err("off\n");
 127         }
 128         print_err("\n");
 129
 130         /* Detect TS-9500 */
 131         val=inb(0x19d);
 132         if(val==0x5f)
 133                 identify_ts9500();
 134
 135 }
 136
 137 static void hard_reset(void)
 138 {
 139         print_err("Hard reset called.\n");
 140         while (1) ;
 141 }
 142
 143 static void main(unsigned long bist)
 144 {
 145         volatile int i;
 146         unsigned val;
 147
 148         TS5300_LED_ON;
 149
 150         // Let the hardware settle a bit.
 151         for(i = 0; i < 100; i++)
 152                 ;
 153
 154         setupsc520();
 155         uart_init();
 156         console_init();
 157
 158
 159         print_err("Technologic Systems TS5300 - http://www.embeddedx86.com/\n");
 160         staticmem();
 161         print_err("Memory initialized: 32MB\n");
 162
 163 #if 1
 164         identify_system();
 165 #endif
 166
 167 #if 0
 168         // Check 32MB of memory @ 0 (very slow!)
 169         print_err("Checking memory:\n");
 170         ram_check(0x00000000, 0x000a0000);
 171         ram_check(0x000b0000, 0x02000000);
 172 #endif
 173
 174         TS5300_LED_OFF;
 175 }
 176