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_early.c"
   8 #include "pc80/serial.c"
   9 #include <console/console.h>
  10 #include "lib/ramtest.c"
  11 #include "cpu/x86/bist.h"
  12 //#include "lib/delay.c"
  13
  14 void setup_pars(void)
  15 {
  16         volatile unsigned long *par;
  17         /* as per the book: */
  18         /* PAR register setup */
  19         /* set up the PAR registers as they are on the MSM586SEG */
  20         par = (unsigned long *) 0xfffef088;
  21
  22         /* NOTE: move this to mainboard.c ASAP */
  23         *par++ = 0x607c00a0; /*PAR0: PCI:Base 0xa0000; size 0x1f000:*/
  24         *par++ = 0x480400d8; /*PAR1: GP BUS MEM:CS2:Base 0xd8, size 0x4:*/
  25         *par++ = 0x340100ea; /*PAR2: GP BUS IO:CS5:Base 0xea, size 0x1:*/
  26         *par++ = 0x380701f0; /*PAR3: GP BUS IO:CS6:Base 0x1f0, size 0x7:*/
  27         *par++ = 0x3c0003f6; /*PAR4: GP BUS IO:CS7:Base 0x3f6, size 0x0:*/
  28         *par++ = 0x35ff0400; /*PAR5: GP BUS IO:CS5:Base 0x400, size 0xff:*/
  29         *par++ = 0x35ff0600; /*PAR6: GP BUS IO:CS5:Base 0x600, size 0xff:*/
  30         *par++ = 0x35ff0800; /*PAR7: GP BUS IO:CS5:Base 0x800, size 0xff:*/
  31         *par++ = 0x35ff0a00; /*PAR8: GP BUS IO:CS5:Base 0xa00, size 0xff:*/
  32         *par++ = 0x35ff0e00; /*PAR9: GP BUS IO:CS5:Base 0xe00, size 0xff:*/
  33         *par++ = 0x34fb0104; /*PAR10: GP BUS IO:CS5:Base 0x104, size 0xfb:*/
  34         *par++ = 0x35af0200; /*PAR11: GP BUS IO:CS5:Base 0x200, size 0xaf:*/
  35         *par++ = 0x341f03e0; /*PAR12: GP BUS IO:CS5:Base 0x3e0, size 0x1f:*/
  36         *par++ = 0xe41c00c0; /*PAR13: SDRAM:code:cache:nowrite:Base 0xc0000, size 0x7000:*/
  37         *par++ = 0x545c00c8; /*PAR14: GP BUS MEM:CS5:Base 0xc8, size 0x5c:*/
  38         *par++ = 0x8a020200; /*PAR15: BOOTCS:code:nocache:write:Base 0x2000000, size 0x80000:*/
  39 }
  40
  41 #include "cpu/amd/sc520/raminit.c"
  42
  43 struct mem_controller {
  44         int i;
  45 };
  46
  47 static inline int spd_read_byte(unsigned device, unsigned address)
  48 {
  49 //      return smbus_read_byte(device, address);
  50 }
  51
  52 //#include "lib/generic_sdram.c"
  53
  54 static inline void dumpmem(void){
  55   int i, j;
  56   unsigned char *l;
  57   unsigned char c;
  58
  59   for(i = 0x4000; i < 0x5000; i += 16) {
  60     print_err_hex32(i); print_err(":");
  61     for(j = 0; j < 16; j++) {
  62       l = (unsigned char *)i + j;
  63       c = *l;
  64       print_err_hex8(c);
  65       print_err(" ");
  66     }
  67     print_err("\n");
  68   }
  69 }
  70
  71 static inline void irqinit(void){
  72         volatile unsigned char *cp;
  73 #if 0
  74 /* these values taken from the msm board itself.
  75  * and they cause the board to not even come out of calibrating_delay_loop
  76  * if you can believe it. Our problem right now is no IDE or serial interrupts
  77  * So we'll try to put interrupts in, one at a time. IDE first.
  78  */
  79         cp = (volatile unsigned char *) 0xfffefd00;
  80         *cp =  0x11;
  81         cp = (volatile unsigned char *) 0xfffefd02;
  82         *cp =  0x02;
  83         cp = (volatile unsigned char *) 0xfffefd03;
  84         *cp =  0x00;
  85         cp = (volatile unsigned char *) 0xfffefd04;
  86         *cp =  0xf7;
  87         cp = (volatile unsigned char *) 0xfffefd08;
  88         *cp =  0xf7;
  89         cp = (volatile unsigned char *) 0xfffefd0a;
  90         *cp =  0x8b;
  91         cp = (volatile unsigned char *) 0xfffefd10;
  92         *cp =  0x18;
  93         cp = (volatile unsigned char *) 0xfffefd14;
  94         *cp =  0x09;
  95         cp = (volatile unsigned char *) 0xfffefd18;
  96         *cp =  0x88;
  97         cp = (volatile unsigned char *) 0xfffefd1a;
  98         *cp =  0x00;
  99         cp = (volatile unsigned char *) 0xfffefd1b;
 100         *cp =  0x00;
 101         cp = (volatile unsigned char *) 0xfffefd1c;
 102         *cp =  0x00;
 103         cp = (volatile unsigned char *) 0xfffefd20;
 104         *cp =  0x00;
 105         cp = (volatile unsigned char *) 0xfffefd21;
 106         *cp =  0x00;
 107         cp = (volatile unsigned char *) 0xfffefd22;
 108         *cp =  0x00;
 109         cp = (volatile unsigned char *) 0xfffefd28;
 110         *cp =  0x00;
 111         cp = (volatile unsigned char *) 0xfffefd29;
 112         *cp =  0x00;
 113         cp = (volatile unsigned char *) 0xfffefd30;
 114         *cp =  0x00;
 115         cp = (volatile unsigned char *) 0xfffefd31;
 116         *cp =  0x00;
 117         cp = (volatile unsigned char *) 0xfffefd32;
 118         *cp =  0x00;
 119         cp = (volatile unsigned char *) 0xfffefd33;
 120         *cp =  0x00;
 121         cp = (volatile unsigned char *) 0xfffefd40;
 122         *cp =  0x10;
 123         cp = (volatile unsigned char *) 0xfffefd41;
 124         *cp =  0x00;
 125         cp = (volatile unsigned char *) 0xfffefd42;
 126         *cp =  0x00;
 127         cp = (volatile unsigned char *) 0xfffefd43;
 128         *cp =  0x00;
 129         cp = (volatile unsigned char *) 0xfffefd44;
 130         *cp =  0x00;
 131         cp = (volatile unsigned char *) 0xfffefd45;
 132         *cp =  0x00;
 133         cp = (volatile unsigned char *) 0xfffefd46;
 134         *cp =  0x00;
 135         cp = (volatile unsigned char *) 0xfffefd50;
 136         *cp =  0x37;
 137         cp = (volatile unsigned char *) 0xfffefd51;
 138         *cp =  0x00;
 139         cp = (volatile unsigned char *) 0xfffefd52;
 140         *cp =  0x00;
 141         cp = (volatile unsigned char *) 0xfffefd53;
 142         *cp =  0x00;
 143         cp = (volatile unsigned char *) 0xfffefd54;
 144         *cp =  0x37;
 145         cp = (volatile unsigned char *) 0xfffefd55;
 146         *cp =  0x00;
 147         cp = (volatile unsigned char *) 0xfffefd56;
 148         *cp =  0x37;
 149         cp = (volatile unsigned char *) 0xfffefd57;
 150         *cp =  0x00;
 151         cp = (volatile unsigned char *) 0xfffefd58;
 152         *cp =  0xff;
 153         cp = (volatile unsigned char *) 0xfffefd59;
 154         *cp =  0xff;
 155         cp = (volatile unsigned char *) 0xfffefd5a;
 156         *cp =  0xff;
 157 #endif
 158 #if 0
 159         /* this fails too */
 160         /* IDE only ... */
 161         cp = (volatile unsigned char *) 0xfffefd56;
 162         *cp =  0xe;
 163 #endif
 164 }
 165
 166 static void main(unsigned long bist)
 167 {
 168     volatile int i;
 169     for(i = 0; i < 100; i++)
 170       ;
 171
 172         setupsc520();
 173         irqinit();
 174         uart_init();
 175         console_init();
 176                 for(i = 0; i < 100; i++)
 177           print_err("fill usart\n");
 178                 //              while(1)
 179                 print_err("HI THERE!\n");
 180                 //                      sizemem();
 181         staticmem();
 182         print_err("c60 is "); print_err_hex16(*(unsigned short *)0xfffefc60);
 183         print_err("\n");
 184
 185         //                      while(1)
 186         print_err("STATIC MEM DONE\n");
 187         outb(0xee, 0x80);
 188         print_err("loop forever ...\n");
 189
 190 #if 0
 191
 192         /* clear memory 1meg */
 193         __asm__ volatile(
 194                          "1: \n\t"
 195                          "movl %0, %%fs:(%1)\n\t"
 196                          "addl $4,%1\n\t"
 197                          "subl $4,%2\n\t"
 198                          "jnz 1b\n\t"
 199                          :
 200                          : "a" (0), "D" (0), "c" (1024*1024)
 201                          );
 202
 203
 204 #endif
 205
 206 #if 0
 207         dump_pci_devices();
 208 #endif
 209 #if 0
 210         dump_pci_device(PCI_DEV(0, 0, 0));
 211 #endif
 212
 213 #if 0
 214         print_err("RAM CHECK!\n");
 215         // Check 16MB of memory @ 0
 216         ram_check(0x00000000, 0x01000000);
 217 #endif
 218 #if 0
 219         print_err("RAM CHECK for 32 MB!\n");
 220         // Check 32MB of memory @ 0
 221         ram_check(0x00000000, 0x02000000);
 222 #endif
 223 #if 1
 224         {
 225           volatile unsigned char *src = (unsigned char *) 0x2000000 + 0x60000;
 226           volatile unsigned char *dst = (unsigned char *) 0x4000;
 227           for(i = 0; i < 0x20000; i++) {
 228             /*
 229               print_err("Set dst "); print_err_hex32((unsigned long) dst);
 230               print_err(" to "); print_err_hex32(*src); print_err("\n");
 231             */
 232             *dst = *src;
 233             //print_err(" dst is now "); print_err_hex32(*dst); print_err("\n");
 234             dst++, src++;
 235             outb((unsigned char)i, 0x80);
 236           }
 237         }
 238         dumpmem();
 239         outb(0, 0x80);
 240         print_err("loop forever\n");
 241         outb(0xdd, 0x80);
 242         __asm__ volatile(
 243                          "movl %0, %%edi\n\t"
 244                          "jmp *%%edi\n\t"
 245                          :
 246                          : "a" (0x4000)
 247                          );
 248
 249         print_err("Oh dear, I'm afraid it didn't work...\n");
 250
 251         while(1);
 252 #endif
 253 }
 254