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 #define ASSEMBLY 1
   8 #define __PRE_RAM__
   9 #define ASM_CONSOLE_LOGLEVEL 6
  10 #include <stdint.h>
  11 #include <device/pci_def.h>
  12 #include <arch/io.h>
  13 #include <device/pnp_def.h>
  14 #include <arch/romcc_io.h>
  15 #include <arch/hlt.h>
  16 #include "pc80/mc146818rtc_early.c"
  17 #include "pc80/serial.c"
  18 #include "arch/i386/lib/console.c"
  19 #include "lib/ramtest.c"
  20 #include "cpu/x86/bist.h"
  21
  22 #define TS5300_LED_OFF outb((inb(0x77)&0xfe), 0x77)
  23 #define TS5300_LED_ON  outb((inb(0x77)|1), 0x77)
  24
  25 #define TS9500_LED_OFF outb((inb(0x19a)&0xfe), 0x19a)
  26 #define TS9500_LED_ON  outb((inb(0x19a)|1), 0x19a)
  27
  28 /* PAR register setup */
  29 void setup_pars(void)
  30 {
  31         volatile unsigned long *par;
  32         par = (unsigned long *) 0xfffef088;
  33
  34         /* NOTE: Ron says, move this to mainboard.c */
  35         *par++ = 0x00000000;
  36         *par++ = 0x340f0070;
  37         *par++ = 0x380701f0;
  38         *par++ = 0x3c0103f6;
  39         *par++ = 0x2c0f0300;
  40         *par++ = 0x447c00a0;
  41         *par++ = 0xe600000c;
  42         *par++ = 0x300046e8;
  43         *par++ = 0x500400d0;
  44         *par++ = 0x281f0140;
  45         *par++ = 0x00000000;
  46         *par++ = 0x00000000;
  47         *par++ = 0x00000000;
  48         *par++ = 0x8a07c940; /* Flash setup */
  49         *par++ = 0x00000000;
  50         *par++ = 0xee00400e;
  51 }
  52
  53 #include "cpu/amd/sc520/raminit.c"
  54
  55 static void identify_ts9500(void)
  56 {
  57         unsigned i, val;
  58
  59         TS9500_LED_ON;
  60
  61         print_err("TS-9500 add-on found:\r\n");
  62         val=inb(0x19b);
  63         for (i=0; i<8; i++) {
  64                 print_err("  DIP");
  65                 print_err_char(i+0x31);
  66                 print_err(": ");
  67                 if((val&(1<<i))!=0)
  68                         print_err("on\r\n");
  69                 else
  70                         print_err("off\r\n");
  71         }
  72         print_err("\r\n");
  73
  74         val=inb(0x19a);
  75
  76         for (i=6; i<8; i++) {
  77                 print_err("  JP");
  78                 print_err_char(i+0x30-5);
  79                 print_err(": ");
  80                 if((val&(1<<i))!=0)
  81                         print_err("on\r\n");
  82                 else
  83                         print_err("off\r\n");
  84         }
  85         print_err("\r\n");
  86
  87         TS9500_LED_OFF;
  88 }
  89
  90 static void identify_system(void)
  91 {
  92         unsigned i,val;
  93
  94         print_err("Mainboard: ");
  95         val=inb(0x74);
  96         switch(val) {
  97         case 0x50: print_err("TS-5300\r\n"); break;
  98         case 0x40: print_err("TS-5400\r\n"); break;
  99         case 0x60: print_err("TS-5500\r\n"); break;
 100         case 0x20: print_err("TS-5600\r\n"); break;
 101         case 0x70: print_err("TS-5700\r\n"); break;
 102         default:   print_err("unknown\r\n"); break;
 103         }
 104
 105         val=inb(0x75);
 106         print_err("  SRAM option:   ");
 107         if((val&1)==0) print_err("not ");
 108         print_err("installed\r\n");
 109
 110         print_err("  RS-485 option: ");
 111         if((val&2)==0) print_err("not ");
 112         print_err("installed\r\n");
 113
 114         val=inb(0x76);
 115         print_err("  Temp. range:   ");
 116         if((val&2)==0) print_err("commercial\r\n");
 117         else print_err("industrial\r\n");
 118
 119         print_err("\r\n");
 120
 121         val=inb(0x77);
 122         for (i=1; i<8; i++) {
 123                 print_err("  JP");
 124                 print_err_char(i+0x30);
 125                 print_err(": ");
 126                 if((val&(1<<i))!=0)
 127                         print_err("on\r\n");
 128                 else
 129                         print_err("off\r\n");
 130         }
 131         print_err("\r\n");
 132
 133         /* Detect TS-9500 */
 134         val=inb(0x19d);
 135         if(val==0x5f)
 136                 identify_ts9500();
 137
 138 }
 139
 140 static void hard_reset(void)
 141 {
 142         print_err("Hard reset called.\n");
 143         while (1) ;
 144 }
 145
 146 static void main(unsigned long bist)
 147 {
 148         volatile int i;
 149         unsigned val;
 150
 151         TS5300_LED_ON;
 152
 153         // Let the hardware settle a bit.
 154         for(i = 0; i < 100; i++)
 155                 ;
 156
 157         setupsc520();
 158         uart_init();
 159         console_init();
 160
 161
 162         print_err("Technologic Systems TS5300 - http://www.embeddedx86.com/\r\n");
 163         staticmem();
 164         print_err("Memory initialized: 32MB\r\n");
 165
 166 #if 1
 167         identify_system();
 168 #endif
 169
 170 #if 0
 171         // Check 32MB of memory @ 0 (very slow!)
 172         print_err("Checking memory:\r\n");
 173         ram_check(0x00000000, 0x000a0000);
 174         ram_check(0x000b0000, 0x02000000);
 175 #endif
 176
 177         TS5300_LED_OFF;
 178 }
 179