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