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