src/mainboard/digitallogic/msm586seg/romstage.c

   1 #include <stdint.h>
   2 #include <device/pci_def.h>
   3 #include <arch/io.h>
   4 #include <device/pnp_def.h>
   5 #include <arch/romcc_io.h>
   6 #include <arch/hlt.h>
   7 #include <pc80/mc146818rtc.h>
   8 #include <console/console.h>
   9 #include "cpu/x86/bist.h"
  10
  11 void setup_pars(void)
  12 {
  13         volatile unsigned long *par;
  14         /* as per the book: */
  15         /* PAR register setup */
  16         /* set up the PAR registers as they are on the MSM586SEG */
  17         par = (unsigned long *) 0xfffef088;
  18
  19         /* NOTE: move this to mainboard.c ASAP */
  20         *par++ = 0x607c00a0; /*PAR0: PCI:Base 0xa0000; size 0x1f000:*/
  21         *par++ = 0x480400d8; /*PAR1: GP BUS MEM:CS2:Base 0xd8, size 0x4:*/
  22         *par++ = 0x340100ea; /*PAR2: GP BUS IO:CS5:Base 0xea, size 0x1:*/
  23         *par++ = 0x380701f0; /*PAR3: GP BUS IO:CS6:Base 0x1f0, size 0x7:*/
  24         *par++ = 0x3c0003f6; /*PAR4: GP BUS IO:CS7:Base 0x3f6, size 0x0:*/
  25         *par++ = 0x35ff0400; /*PAR5: GP BUS IO:CS5:Base 0x400, size 0xff:*/
  26         *par++ = 0x35ff0600; /*PAR6: GP BUS IO:CS5:Base 0x600, size 0xff:*/
  27         *par++ = 0x35ff0800; /*PAR7: GP BUS IO:CS5:Base 0x800, size 0xff:*/
  28         *par++ = 0x35ff0a00; /*PAR8: GP BUS IO:CS5:Base 0xa00, size 0xff:*/
  29         *par++ = 0x35ff0e00; /*PAR9: GP BUS IO:CS5:Base 0xe00, size 0xff:*/
  30         *par++ = 0x34fb0104; /*PAR10: GP BUS IO:CS5:Base 0x104, size 0xfb:*/
  31         *par++ = 0x35af0200; /*PAR11: GP BUS IO:CS5:Base 0x200, size 0xaf:*/
  32         *par++ = 0x341f03e0; /*PAR12: GP BUS IO:CS5:Base 0x3e0, size 0x1f:*/
  33         *par++ = 0xe41c00c0; /*PAR13: SDRAM:code:cache:nowrite:Base 0xc0000, size 0x7000:*/
  34         *par++ = 0x545c00c8; /*PAR14: GP BUS MEM:CS5:Base 0xc8, size 0x5c:*/
  35         *par++ = 0x8a020200; /*PAR15: BOOTCS:code:nocache:write:Base 0x2000000, size 0x80000:*/
  36 }
  37
  38 #include "cpu/amd/sc520/raminit.c"
  39
  40 struct mem_controller {
  41         int i;
  42 };
  43
  44 static int spd_read_byte(unsigned device, unsigned address) { }
  45
  46 static inline void dumpmem(void){
  47   int i, j;
  48   unsigned char *l;
  49   unsigned char c;
  50
  51   for(i = 0x4000; i < 0x5000; i += 16) {
  52     print_err_hex32(i); print_err(":");
  53     for(j = 0; j < 16; j++) {
  54       l = (unsigned char *)i + j;
  55       c = *l;
  56       print_err_hex8(c);
  57       print_err(" ");
  58     }
  59     print_err("\n");
  60   }
  61 }
  62
  63 static inline void irqinit(void){
  64         volatile unsigned char *cp;
  65 #if 0
  66 /* these values taken from the msm board itself.
  67  * and they cause the board to not even come out of calibrating_delay_loop
  68  * if you can believe it. Our problem right now is no IDE or serial interrupts
  69  * So we'll try to put interrupts in, one at a time. IDE first.
  70  */
  71         cp = (volatile unsigned char *) 0xfffefd00;
  72         *cp =  0x11;
  73         cp = (volatile unsigned char *) 0xfffefd02;
  74         *cp =  0x02;
  75         cp = (volatile unsigned char *) 0xfffefd03;
  76         *cp =  0x00;
  77         cp = (volatile unsigned char *) 0xfffefd04;
  78         *cp =  0xf7;
  79         cp = (volatile unsigned char *) 0xfffefd08;
  80         *cp =  0xf7;
  81         cp = (volatile unsigned char *) 0xfffefd0a;
  82         *cp =  0x8b;
  83         cp = (volatile unsigned char *) 0xfffefd10;
  84         *cp =  0x18;
  85         cp = (volatile unsigned char *) 0xfffefd14;
  86         *cp =  0x09;
  87         cp = (volatile unsigned char *) 0xfffefd18;
  88         *cp =  0x88;
  89         cp = (volatile unsigned char *) 0xfffefd1a;
  90         *cp =  0x00;
  91         cp = (volatile unsigned char *) 0xfffefd1b;
  92         *cp =  0x00;
  93         cp = (volatile unsigned char *) 0xfffefd1c;
  94         *cp =  0x00;
  95         cp = (volatile unsigned char *) 0xfffefd20;
  96         *cp =  0x00;
  97         cp = (volatile unsigned char *) 0xfffefd21;
  98         *cp =  0x00;
  99         cp = (volatile unsigned char *) 0xfffefd22;
 100         *cp =  0x00;
 101         cp = (volatile unsigned char *) 0xfffefd28;
 102         *cp =  0x00;
 103         cp = (volatile unsigned char *) 0xfffefd29;
 104         *cp =  0x00;
 105         cp = (volatile unsigned char *) 0xfffefd30;
 106         *cp =  0x00;
 107         cp = (volatile unsigned char *) 0xfffefd31;
 108         *cp =  0x00;
 109         cp = (volatile unsigned char *) 0xfffefd32;
 110         *cp =  0x00;
 111         cp = (volatile unsigned char *) 0xfffefd33;
 112         *cp =  0x00;
 113         cp = (volatile unsigned char *) 0xfffefd40;
 114         *cp =  0x10;
 115         cp = (volatile unsigned char *) 0xfffefd41;
 116         *cp =  0x00;
 117         cp = (volatile unsigned char *) 0xfffefd42;
 118         *cp =  0x00;
 119         cp = (volatile unsigned char *) 0xfffefd43;
 120         *cp =  0x00;
 121         cp = (volatile unsigned char *) 0xfffefd44;
 122         *cp =  0x00;
 123         cp = (volatile unsigned char *) 0xfffefd45;
 124         *cp =  0x00;
 125         cp = (volatile unsigned char *) 0xfffefd46;
 126         *cp =  0x00;
 127         cp = (volatile unsigned char *) 0xfffefd50;
 128         *cp =  0x37;
 129         cp = (volatile unsigned char *) 0xfffefd51;
 130         *cp =  0x00;
 131         cp = (volatile unsigned char *) 0xfffefd52;
 132         *cp =  0x00;
 133         cp = (volatile unsigned char *) 0xfffefd53;
 134         *cp =  0x00;
 135         cp = (volatile unsigned char *) 0xfffefd54;
 136         *cp =  0x37;
 137         cp = (volatile unsigned char *) 0xfffefd55;
 138         *cp =  0x00;
 139         cp = (volatile unsigned char *) 0xfffefd56;
 140         *cp =  0x37;
 141         cp = (volatile unsigned char *) 0xfffefd57;
 142         *cp =  0x00;
 143         cp = (volatile unsigned char *) 0xfffefd58;
 144         *cp =  0xff;
 145         cp = (volatile unsigned char *) 0xfffefd59;
 146         *cp =  0xff;
 147         cp = (volatile unsigned char *) 0xfffefd5a;
 148         *cp =  0xff;
 149 #endif
 150 #if 0
 151         /* this fails too */
 152         /* IDE only ... */
 153         cp = (volatile unsigned char *) 0xfffefd56;
 154         *cp =  0xe;
 155 #endif
 156 }
 157
 158 static void main(unsigned long bist)
 159 {
 160     volatile int i;
 161     for(i = 0; i < 100; i++)
 162       ;
 163
 164         setupsc520();
 165         irqinit();
 166         uart_init();
 167         console_init();
 168                 for(i = 0; i < 100; i++)
 169           print_err("fill usart\n");
 170                 //              while(1)
 171                 print_err("HI THERE!\n");
 172                 //                      sizemem();
 173         staticmem();
 174         print_err("c60 is "); print_err_hex16(*(unsigned short *)0xfffefc60);
 175         print_err("\n");
 176
 177         //                      while(1)
 178         print_err("STATIC MEM DONE\n");
 179         post_code(0xee);
 180         print_err("loop forever ...\n");
 181
 182 #if 0
 183
 184         /* clear memory 1meg */
 185         __asm__ volatile(
 186                          "1: \n\t"
 187                          "movl %0, %%fs:(%1)\n\t"
 188                          "addl $4,%1\n\t"
 189                          "subl $4,%2\n\t"
 190                          "jnz 1b\n\t"
 191                          :
 192                          : "a" (0), "D" (0), "c" (1024*1024)
 193                          );
 194
 195
 196 #endif
 197
 198 #if 0
 199         dump_pci_devices();
 200 #endif
 201 #if 0
 202         dump_pci_device(PCI_DEV(0, 0, 0));
 203 #endif
 204
 205 #if 1
 206         {
 207           volatile unsigned char *src = (unsigned char *) 0x2000000 + 0x60000;
 208           volatile unsigned char *dst = (unsigned char *) 0x4000;
 209           for(i = 0; i < 0x20000; i++) {
 210             /*
 211               print_err("Set dst "); print_err_hex32((unsigned long) dst);
 212               print_err(" to "); print_err_hex32(*src); print_err("\n");
 213             */
 214             *dst = *src;
 215             //print_err(" dst is now "); print_err_hex32(*dst); print_err("\n");
 216             dst++, src++;
 217             post_code(i & 0xff);
 218           }
 219         }
 220         dumpmem();
 221         post_code(0x00);
 222
 223         print_err("loop forever\n");
 224         post_code(0xdd);
 225         __asm__ volatile(
 226                          "movl %0, %%edi\n\t"
 227                          "jmp *%%edi\n\t"
 228                          :
 229                          : "a" (0x4000)
 230                          );
 231
 232         print_err("Oh dear, I'm afraid it didn't work...\n");
 233
 234         while(1);
 235 #endif
 236 }