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