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 inline int spd_read_byte(unsigned device, unsigned address)
  46 {
  47 //      return smbus_read_byte(device, address);
  48 }
  49
  50 static inline void dumpmem(void){
  51   int i, j;
  52   unsigned char *l;
  53   unsigned char c;
  54
  55   for(i = 0x4000; i < 0x5000; i += 16) {
  56     print_err_hex32(i); print_err(":");
  57     for(j = 0; j < 16; j++) {
  58       l = (unsigned char *)i + j;
  59       c = *l;
  60       print_err_hex8(c);
  61       print_err(" ");
  62     }
  63     print_err("\n");
  64   }
  65 }
  66
  67 static inline void irqinit(void){
  68         volatile unsigned char *cp;
  69 #if 0
  70 /* these values taken from the msm board itself.
  71  * and they cause the board to not even come out of calibrating_delay_loop
  72  * if you can believe it. Our problem right now is no IDE or serial interrupts
  73  * So we'll try to put interrupts in, one at a time. IDE first.
  74  */
  75         cp = (volatile unsigned char *) 0xfffefd00;
  76         *cp =  0x11;
  77         cp = (volatile unsigned char *) 0xfffefd02;
  78         *cp =  0x02;
  79         cp = (volatile unsigned char *) 0xfffefd03;
  80         *cp =  0x00;
  81         cp = (volatile unsigned char *) 0xfffefd04;
  82         *cp =  0xf7;
  83         cp = (volatile unsigned char *) 0xfffefd08;
  84         *cp =  0xf7;
  85         cp = (volatile unsigned char *) 0xfffefd0a;
  86         *cp =  0x8b;
  87         cp = (volatile unsigned char *) 0xfffefd10;
  88         *cp =  0x18;
  89         cp = (volatile unsigned char *) 0xfffefd14;
  90         *cp =  0x09;
  91         cp = (volatile unsigned char *) 0xfffefd18;
  92         *cp =  0x88;
  93         cp = (volatile unsigned char *) 0xfffefd1a;
  94         *cp =  0x00;
  95         cp = (volatile unsigned char *) 0xfffefd1b;
  96         *cp =  0x00;
  97         cp = (volatile unsigned char *) 0xfffefd1c;
  98         *cp =  0x00;
  99         cp = (volatile unsigned char *) 0xfffefd20;
 100         *cp =  0x00;
 101         cp = (volatile unsigned char *) 0xfffefd21;
 102         *cp =  0x00;
 103         cp = (volatile unsigned char *) 0xfffefd22;
 104         *cp =  0x00;
 105         cp = (volatile unsigned char *) 0xfffefd28;
 106         *cp =  0x00;
 107         cp = (volatile unsigned char *) 0xfffefd29;
 108         *cp =  0x00;
 109         cp = (volatile unsigned char *) 0xfffefd30;
 110         *cp =  0x00;
 111         cp = (volatile unsigned char *) 0xfffefd31;
 112         *cp =  0x00;
 113         cp = (volatile unsigned char *) 0xfffefd32;
 114         *cp =  0x00;
 115         cp = (volatile unsigned char *) 0xfffefd33;
 116         *cp =  0x00;
 117         cp = (volatile unsigned char *) 0xfffefd40;
 118         *cp =  0x10;
 119         cp = (volatile unsigned char *) 0xfffefd41;
 120         *cp =  0x00;
 121         cp = (volatile unsigned char *) 0xfffefd42;
 122         *cp =  0x00;
 123         cp = (volatile unsigned char *) 0xfffefd43;
 124         *cp =  0x00;
 125         cp = (volatile unsigned char *) 0xfffefd44;
 126         *cp =  0x00;
 127         cp = (volatile unsigned char *) 0xfffefd45;
 128         *cp =  0x00;
 129         cp = (volatile unsigned char *) 0xfffefd46;
 130         *cp =  0x00;
 131         cp = (volatile unsigned char *) 0xfffefd50;
 132         *cp =  0x37;
 133         cp = (volatile unsigned char *) 0xfffefd51;
 134         *cp =  0x00;
 135         cp = (volatile unsigned char *) 0xfffefd52;
 136         *cp =  0x00;
 137         cp = (volatile unsigned char *) 0xfffefd53;
 138         *cp =  0x00;
 139         cp = (volatile unsigned char *) 0xfffefd54;
 140         *cp =  0x37;
 141         cp = (volatile unsigned char *) 0xfffefd55;
 142         *cp =  0x00;
 143         cp = (volatile unsigned char *) 0xfffefd56;
 144         *cp =  0x37;
 145         cp = (volatile unsigned char *) 0xfffefd57;
 146         *cp =  0x00;
 147         cp = (volatile unsigned char *) 0xfffefd58;
 148         *cp =  0xff;
 149         cp = (volatile unsigned char *) 0xfffefd59;
 150         *cp =  0xff;
 151         cp = (volatile unsigned char *) 0xfffefd5a;
 152         *cp =  0xff;
 153 #endif
 154 #if 0
 155         /* this fails too */
 156         /* IDE only ... */
 157         cp = (volatile unsigned char *) 0xfffefd56;
 158         *cp =  0xe;
 159 #endif
 160 }
 161
 162 static void main(unsigned long bist)
 163 {
 164     volatile int i;
 165     for(i = 0; i < 100; i++)
 166       ;
 167
 168         setupsc520();
 169         irqinit();
 170         uart_init();
 171         console_init();
 172                 for(i = 0; i < 100; i++)
 173           print_err("fill usart\n");
 174                 //              while(1)
 175                 print_err("HI THERE!\n");
 176                 //                      sizemem();
 177         staticmem();
 178         print_err("c60 is "); print_err_hex16(*(unsigned short *)0xfffefc60);
 179         print_err("\n");
 180
 181         //                      while(1)
 182         print_err("STATIC MEM DONE\n");
 183         post_code(0xee);
 184         print_err("loop forever ...\n");
 185
 186 #if 0
 187
 188         /* clear memory 1meg */
 189         __asm__ volatile(
 190                          "1: \n\t"
 191                          "movl %0, %%fs:(%1)\n\t"
 192                          "addl $4,%1\n\t"
 193                          "subl $4,%2\n\t"
 194                          "jnz 1b\n\t"
 195                          :
 196                          : "a" (0), "D" (0), "c" (1024*1024)
 197                          );
 198
 199
 200 #endif
 201
 202 #if 0
 203         dump_pci_devices();
 204 #endif
 205 #if 0
 206         dump_pci_device(PCI_DEV(0, 0, 0));
 207 #endif
 208
 209 #if 0
 210         print_err("RAM CHECK!\n");
 211         // Check 16MB of memory @ 0
 212         ram_check(0x00000000, 0x01000000);
 213 #endif
 214 #if 0
 215         print_err("RAM CHECK for 32 MB!\n");
 216         // Check 32MB of memory @ 0
 217         ram_check(0x00000000, 0x02000000);
 218 #endif
 219 #if 1
 220         {
 221           volatile unsigned char *src = (unsigned char *) 0x2000000 + 0x60000;
 222           volatile unsigned char *dst = (unsigned char *) 0x4000;
 223           for(i = 0; i < 0x20000; i++) {
 224             /*
 225               print_err("Set dst "); print_err_hex32((unsigned long) dst);
 226               print_err(" to "); print_err_hex32(*src); print_err("\n");
 227             */
 228             *dst = *src;
 229             //print_err(" dst is now "); print_err_hex32(*dst); print_err("\n");
 230             dst++, src++;
 231             post_code(i & 0xff);
 232           }
 233         }
 234         dumpmem();
 235         post_code(0x00);
 236
 237         print_err("loop forever\n");
 238         post_code(0xdd);
 239         __asm__ volatile(
 240                          "movl %0, %%edi\n\t"
 241                          "jmp *%%edi\n\t"
 242                          :
 243                          : "a" (0x4000)
 244                          );
 245
 246         print_err("Oh dear, I'm afraid it didn't work...\n");
 247
 248         while(1);
 249 #endif
 250 }