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 "lib/ramtest.c"
  10 #include "cpu/x86/bist.h"
  11
  12 void setup_pars(void)
  13 {
  14         volatile unsigned long *par;
  15         /* as per the book: */
  16         /* PAR register setup */
  17         /* set up the PAR registers as they are on the MSM586SEG */
  18         par = (unsigned long *) 0xfffef088;
  19
  20         /* NOTE: move this to mainboard.c ASAP */
  21         *par++ = 0x607c00a0; /*PAR0: PCI:Base 0xa0000; size 0x1f000:*/
  22         *par++ = 0x480400d8; /*PAR1: GP BUS MEM:CS2:Base 0xd8, size 0x4:*/
  23         *par++ = 0x340100ea; /*PAR2: GP BUS IO:CS5:Base 0xea, size 0x1:*/
  24         *par++ = 0x380701f0; /*PAR3: GP BUS IO:CS6:Base 0x1f0, size 0x7:*/
  25         *par++ = 0x3c0003f6; /*PAR4: GP BUS IO:CS7:Base 0x3f6, size 0x0:*/
  26         *par++ = 0x35ff0400; /*PAR5: GP BUS IO:CS5:Base 0x400, size 0xff:*/
  27         *par++ = 0x35ff0600; /*PAR6: GP BUS IO:CS5:Base 0x600, size 0xff:*/
  28         *par++ = 0x35ff0800; /*PAR7: GP BUS IO:CS5:Base 0x800, size 0xff:*/
  29         *par++ = 0x35ff0a00; /*PAR8: GP BUS IO:CS5:Base 0xa00, size 0xff:*/
  30         *par++ = 0x35ff0e00; /*PAR9: GP BUS IO:CS5:Base 0xe00, size 0xff:*/
  31         *par++ = 0x34fb0104; /*PAR10: GP BUS IO:CS5:Base 0x104, size 0xfb:*/
  32         *par++ = 0x35af0200; /*PAR11: GP BUS IO:CS5:Base 0x200, size 0xaf:*/
  33         *par++ = 0x341f03e0; /*PAR12: GP BUS IO:CS5:Base 0x3e0, size 0x1f:*/
  34         *par++ = 0xe41c00c0; /*PAR13: SDRAM:code:cache:nowrite:Base 0xc0000, size 0x7000:*/
  35         *par++ = 0x545c00c8; /*PAR14: GP BUS MEM:CS5:Base 0xc8, size 0x5c:*/
  36         *par++ = 0x8a020200; /*PAR15: BOOTCS:code:nocache:write:Base 0x2000000, size 0x80000:*/
  37 }
  38
  39 #include "cpu/amd/sc520/raminit.c"
  40
  41 struct mem_controller {
  42         int i;
  43 };
  44
  45 static int spd_read_byte(unsigned device, unsigned address) { }
  46
  47 static inline void dumpmem(void){
  48   int i, j;
  49   unsigned char *l;
  50   unsigned char c;
  51
  52   for(i = 0x4000; i < 0x5000; i += 16) {
  53     print_err_hex32(i); print_err(":");
  54     for(j = 0; j < 16; j++) {
  55       l = (unsigned char *)i + j;
  56       c = *l;
  57       print_err_hex8(c);
  58       print_err(" ");
  59     }
  60     print_err("\n");
  61   }
  62 }
  63
  64 static inline void irqinit(void){
  65         volatile unsigned char *cp;
  66 #if 0
  67 /* these values taken from the msm board itself.
  68  * and they cause the board to not even come out of calibrating_delay_loop
  69  * if you can believe it. Our problem right now is no IDE or serial interrupts
  70  * So we'll try to put interrupts in, one at a time. IDE first.
  71  */
  72         cp = (volatile unsigned char *) 0xfffefd00;
  73         *cp =  0x11;
  74         cp = (volatile unsigned char *) 0xfffefd02;
  75         *cp =  0x02;
  76         cp = (volatile unsigned char *) 0xfffefd03;
  77         *cp =  0x00;
  78         cp = (volatile unsigned char *) 0xfffefd04;
  79         *cp =  0xf7;
  80         cp = (volatile unsigned char *) 0xfffefd08;
  81         *cp =  0xf7;
  82         cp = (volatile unsigned char *) 0xfffefd0a;
  83         *cp =  0x8b;
  84         cp = (volatile unsigned char *) 0xfffefd10;
  85         *cp =  0x18;
  86         cp = (volatile unsigned char *) 0xfffefd14;
  87         *cp =  0x09;
  88         cp = (volatile unsigned char *) 0xfffefd18;
  89         *cp =  0x88;
  90         cp = (volatile unsigned char *) 0xfffefd1a;
  91         *cp =  0x00;
  92         cp = (volatile unsigned char *) 0xfffefd1b;
  93         *cp =  0x00;
  94         cp = (volatile unsigned char *) 0xfffefd1c;
  95         *cp =  0x00;
  96         cp = (volatile unsigned char *) 0xfffefd20;
  97         *cp =  0x00;
  98         cp = (volatile unsigned char *) 0xfffefd21;
  99         *cp =  0x00;
 100         cp = (volatile unsigned char *) 0xfffefd22;
 101         *cp =  0x00;
 102         cp = (volatile unsigned char *) 0xfffefd28;
 103         *cp =  0x00;
 104         cp = (volatile unsigned char *) 0xfffefd29;
 105         *cp =  0x00;
 106         cp = (volatile unsigned char *) 0xfffefd30;
 107         *cp =  0x00;
 108         cp = (volatile unsigned char *) 0xfffefd31;
 109         *cp =  0x00;
 110         cp = (volatile unsigned char *) 0xfffefd32;
 111         *cp =  0x00;
 112         cp = (volatile unsigned char *) 0xfffefd33;
 113         *cp =  0x00;
 114         cp = (volatile unsigned char *) 0xfffefd40;
 115         *cp =  0x10;
 116         cp = (volatile unsigned char *) 0xfffefd41;
 117         *cp =  0x00;
 118         cp = (volatile unsigned char *) 0xfffefd42;
 119         *cp =  0x00;
 120         cp = (volatile unsigned char *) 0xfffefd43;
 121         *cp =  0x00;
 122         cp = (volatile unsigned char *) 0xfffefd44;
 123         *cp =  0x00;
 124         cp = (volatile unsigned char *) 0xfffefd45;
 125         *cp =  0x00;
 126         cp = (volatile unsigned char *) 0xfffefd46;
 127         *cp =  0x00;
 128         cp = (volatile unsigned char *) 0xfffefd50;
 129         *cp =  0x37;
 130         cp = (volatile unsigned char *) 0xfffefd51;
 131         *cp =  0x00;
 132         cp = (volatile unsigned char *) 0xfffefd52;
 133         *cp =  0x00;
 134         cp = (volatile unsigned char *) 0xfffefd53;
 135         *cp =  0x00;
 136         cp = (volatile unsigned char *) 0xfffefd54;
 137         *cp =  0x37;
 138         cp = (volatile unsigned char *) 0xfffefd55;
 139         *cp =  0x00;
 140         cp = (volatile unsigned char *) 0xfffefd56;
 141         *cp =  0x37;
 142         cp = (volatile unsigned char *) 0xfffefd57;
 143         *cp =  0x00;
 144         cp = (volatile unsigned char *) 0xfffefd58;
 145         *cp =  0xff;
 146         cp = (volatile unsigned char *) 0xfffefd59;
 147         *cp =  0xff;
 148         cp = (volatile unsigned char *) 0xfffefd5a;
 149         *cp =  0xff;
 150 #endif
 151 #if 0
 152         /* this fails too */
 153         /* IDE only ... */
 154         cp = (volatile unsigned char *) 0xfffefd56;
 155         *cp =  0xe;
 156 #endif
 157 }
 158
 159 static void main(unsigned long bist)
 160 {
 161     volatile int i;
 162     for(i = 0; i < 100; i++)
 163       ;
 164
 165         setupsc520();
 166         irqinit();
 167         uart_init();
 168         console_init();
 169                 for(i = 0; i < 100; i++)
 170           print_err("fill usart\n");
 171                 //              while(1)
 172                 print_err("HI THERE!\n");
 173                 //                      sizemem();
 174         staticmem();
 175         print_err("c60 is "); print_err_hex16(*(unsigned short *)0xfffefc60);
 176         print_err("\n");
 177
 178         //                      while(1)
 179         print_err("STATIC MEM DONE\n");
 180         post_code(0xee);
 181         print_err("loop forever ...\n");
 182
 183 #if 0
 184
 185         /* clear memory 1meg */
 186         __asm__ volatile(
 187                          "1: \n\t"
 188                          "movl %0, %%fs:(%1)\n\t"
 189                          "addl $4,%1\n\t"
 190                          "subl $4,%2\n\t"
 191                          "jnz 1b\n\t"
 192                          :
 193                          : "a" (0), "D" (0), "c" (1024*1024)
 194                          );
 195
 196
 197 #endif
 198
 199 #if 0
 200         dump_pci_devices();
 201 #endif
 202 #if 0
 203         dump_pci_device(PCI_DEV(0, 0, 0));
 204 #endif
 205
 206 #if 0
 207         print_err("RAM CHECK!\n");
 208         // Check 16MB of memory @ 0
 209         ram_check(0x00000000, 0x01000000);
 210 #endif
 211 #if 0
 212         print_err("RAM CHECK for 32 MB!\n");
 213         // Check 32MB of memory @ 0
 214         ram_check(0x00000000, 0x02000000);
 215 #endif
 216 #if 1
 217         {
 218           volatile unsigned char *src = (unsigned char *) 0x2000000 + 0x60000;
 219           volatile unsigned char *dst = (unsigned char *) 0x4000;
 220           for(i = 0; i < 0x20000; i++) {
 221             /*
 222               print_err("Set dst "); print_err_hex32((unsigned long) dst);
 223               print_err(" to "); print_err_hex32(*src); print_err("\n");
 224             */
 225             *dst = *src;
 226             //print_err(" dst is now "); print_err_hex32(*dst); print_err("\n");
 227             dst++, src++;
 228             post_code(i & 0xff);
 229           }
 230         }
 231         dumpmem();
 232         post_code(0x00);
 233
 234         print_err("loop forever\n");
 235         post_code(0xdd);
 236         __asm__ volatile(
 237                          "movl %0, %%edi\n\t"
 238                          "jmp *%%edi\n\t"
 239                          :
 240                          : "a" (0x4000)
 241                          );
 242
 243         print_err("Oh dear, I'm afraid it didn't work...\n");
 244
 245         while(1);
 246 #endif
 247 }