src/mainboard/digitallogic/msm586seg/romstage.c

   1 #define ASM_CONSOLE_LOGLEVEL 8
   2 #include <stdint.h>
   3 #include <device/pci_def.h>
   4 #include <arch/io.h>
   5 #include <device/pnp_def.h>
   6 #include <arch/romcc_io.h>
   7 #include <arch/hlt.h>
   8 #include "pc80/mc146818rtc_early.c"
   9 #include "pc80/serial.c"
  10 #include "console/console.c"
  11 #include "lib/ramtest.c"
  12 #include "cpu/x86/bist.h"
  13 //#include "lib/delay.c"
  14
  15 void setup_pars(void)
  16 {
  17         volatile unsigned long *par;
  18         /* as per the book: */
  19         /* PAR register setup */
  20         /* set up the PAR registers as they are on the MSM586SEG */
  21         par = (unsigned long *) 0xfffef088;
  22
  23         /* NOTE: move this to mainboard.c ASAP */
  24         *par++ = 0x607c00a0; /*PAR0: PCI:Base 0xa0000; size 0x1f000:*/
  25         *par++ = 0x480400d8; /*PAR1: GP BUS MEM:CS2:Base 0xd8, size 0x4:*/
  26         *par++ = 0x340100ea; /*PAR2: GP BUS IO:CS5:Base 0xea, size 0x1:*/
  27         *par++ = 0x380701f0; /*PAR3: GP BUS IO:CS6:Base 0x1f0, size 0x7:*/
  28         *par++ = 0x3c0003f6; /*PAR4: GP BUS IO:CS7:Base 0x3f6, size 0x0:*/
  29         *par++ = 0x35ff0400; /*PAR5: GP BUS IO:CS5:Base 0x400, size 0xff:*/
  30         *par++ = 0x35ff0600; /*PAR6: GP BUS IO:CS5:Base 0x600, size 0xff:*/
  31         *par++ = 0x35ff0800; /*PAR7: GP BUS IO:CS5:Base 0x800, size 0xff:*/
  32         *par++ = 0x35ff0a00; /*PAR8: GP BUS IO:CS5:Base 0xa00, size 0xff:*/
  33         *par++ = 0x35ff0e00; /*PAR9: GP BUS IO:CS5:Base 0xe00, size 0xff:*/
  34         *par++ = 0x34fb0104; /*PAR10: GP BUS IO:CS5:Base 0x104, size 0xfb:*/
  35         *par++ = 0x35af0200; /*PAR11: GP BUS IO:CS5:Base 0x200, size 0xaf:*/
  36         *par++ = 0x341f03e0; /*PAR12: GP BUS IO:CS5:Base 0x3e0, size 0x1f:*/
  37         *par++ = 0xe41c00c0; /*PAR13: SDRAM:code:cache:nowrite:Base 0xc0000, size 0x7000:*/
  38         *par++ = 0x545c00c8; /*PAR14: GP BUS MEM:CS5:Base 0xc8, size 0x5c:*/
  39         *par++ = 0x8a020200; /*PAR15: BOOTCS:code:nocache:write:Base 0x2000000, size 0x80000:*/
  40 }
  41
  42 #include "cpu/amd/sc520/raminit.c"
  43
  44 typedef void (*lj)(void);
  45
  46 struct mem_controller {
  47         int i;
  48 };
  49
  50 static void memreset_setup(void)
  51 {
  52 }
  53
  54 static void memreset(int controllers, const struct mem_controller *ctrl)
  55 {
  56 }
  57
  58 static inline void activate_spd_rom(const struct mem_controller *ctrl)
  59 {
  60         /* nothing to do */
  61 }
  62
  63 static inline int spd_read_byte(unsigned device, unsigned address)
  64 {
  65 //      return smbus_read_byte(device, address);
  66 }
  67
  68 //#include "lib/generic_sdram.c"
  69
  70 static inline void dumpmem(void){
  71   int i, j;
  72   unsigned char *l;
  73   unsigned char c;
  74
  75   for(i = 0x4000; i < 0x5000; i += 16) {
  76     print_err_hex32(i); print_err(":");
  77     for(j = 0; j < 16; j++) {
  78       l = (unsigned char *)i + j;
  79       c = *l;
  80       print_err_hex8(c);
  81       print_err(" ");
  82     }
  83     print_err("\r\n");
  84   }
  85 }
  86
  87 static inline void irqinit(void){
  88         volatile unsigned char *cp;
  89 #if 0
  90 /* these values taken from the msm board itself.
  91  * and they cause the board to not even come out of calibrating_delay_loop
  92  * if you can believe it. Our problem right now is no IDE or serial interrupts
  93  * So we'll try to put interrupts in, one at a time. IDE first.
  94  */
  95         cp = (volatile unsigned char *) 0xfffefd00;
  96         *cp =  0x11;
  97         cp = (volatile unsigned char *) 0xfffefd02;
  98         *cp =  0x02;
  99         cp = (volatile unsigned char *) 0xfffefd03;
 100         *cp =  0x00;
 101         cp = (volatile unsigned char *) 0xfffefd04;
 102         *cp =  0xf7;
 103         cp = (volatile unsigned char *) 0xfffefd08;
 104         *cp =  0xf7;
 105         cp = (volatile unsigned char *) 0xfffefd0a;
 106         *cp =  0x8b;
 107         cp = (volatile unsigned char *) 0xfffefd10;
 108         *cp =  0x18;
 109         cp = (volatile unsigned char *) 0xfffefd14;
 110         *cp =  0x09;
 111         cp = (volatile unsigned char *) 0xfffefd18;
 112         *cp =  0x88;
 113         cp = (volatile unsigned char *) 0xfffefd1a;
 114         *cp =  0x00;
 115         cp = (volatile unsigned char *) 0xfffefd1b;
 116         *cp =  0x00;
 117         cp = (volatile unsigned char *) 0xfffefd1c;
 118         *cp =  0x00;
 119         cp = (volatile unsigned char *) 0xfffefd20;
 120         *cp =  0x00;
 121         cp = (volatile unsigned char *) 0xfffefd21;
 122         *cp =  0x00;
 123         cp = (volatile unsigned char *) 0xfffefd22;
 124         *cp =  0x00;
 125         cp = (volatile unsigned char *) 0xfffefd28;
 126         *cp =  0x00;
 127         cp = (volatile unsigned char *) 0xfffefd29;
 128         *cp =  0x00;
 129         cp = (volatile unsigned char *) 0xfffefd30;
 130         *cp =  0x00;
 131         cp = (volatile unsigned char *) 0xfffefd31;
 132         *cp =  0x00;
 133         cp = (volatile unsigned char *) 0xfffefd32;
 134         *cp =  0x00;
 135         cp = (volatile unsigned char *) 0xfffefd33;
 136         *cp =  0x00;
 137         cp = (volatile unsigned char *) 0xfffefd40;
 138         *cp =  0x10;
 139         cp = (volatile unsigned char *) 0xfffefd41;
 140         *cp =  0x00;
 141         cp = (volatile unsigned char *) 0xfffefd42;
 142         *cp =  0x00;
 143         cp = (volatile unsigned char *) 0xfffefd43;
 144         *cp =  0x00;
 145         cp = (volatile unsigned char *) 0xfffefd44;
 146         *cp =  0x00;
 147         cp = (volatile unsigned char *) 0xfffefd45;
 148         *cp =  0x00;
 149         cp = (volatile unsigned char *) 0xfffefd46;
 150         *cp =  0x00;
 151         cp = (volatile unsigned char *) 0xfffefd50;
 152         *cp =  0x37;
 153         cp = (volatile unsigned char *) 0xfffefd51;
 154         *cp =  0x00;
 155         cp = (volatile unsigned char *) 0xfffefd52;
 156         *cp =  0x00;
 157         cp = (volatile unsigned char *) 0xfffefd53;
 158         *cp =  0x00;
 159         cp = (volatile unsigned char *) 0xfffefd54;
 160         *cp =  0x37;
 161         cp = (volatile unsigned char *) 0xfffefd55;
 162         *cp =  0x00;
 163         cp = (volatile unsigned char *) 0xfffefd56;
 164         *cp =  0x37;
 165         cp = (volatile unsigned char *) 0xfffefd57;
 166         *cp =  0x00;
 167         cp = (volatile unsigned char *) 0xfffefd58;
 168         *cp =  0xff;
 169         cp = (volatile unsigned char *) 0xfffefd59;
 170         *cp =  0xff;
 171         cp = (volatile unsigned char *) 0xfffefd5a;
 172         *cp =  0xff;
 173 #endif
 174 #if 0
 175         /* this fails too */
 176         /* IDE only ... */
 177         cp = (volatile unsigned char *) 0xfffefd56;
 178         *cp =  0xe;
 179 #endif
 180 }
 181
 182 static void main(unsigned long bist)
 183 {
 184     volatile int i;
 185     for(i = 0; i < 100; i++)
 186       ;
 187
 188         setupsc520();
 189         irqinit();
 190         uart_init();
 191         console_init();
 192                 for(i = 0; i < 100; i++)
 193           print_err("fill usart\r\n");
 194                 //              while(1)
 195                 print_err("HI THERE!\r\n");
 196                 //                      sizemem();
 197         staticmem();
 198         print_err("c60 is "); print_err_hex16(*(unsigned short *)0xfffefc60);
 199         print_err("\n");
 200
 201         //                      while(1)
 202         print_err("STATIC MEM DONE\r\n");
 203         outb(0xee, 0x80);
 204         print_err("loop forever ...\n");
 205
 206 #if 0
 207
 208         /* clear memory 1meg */
 209         __asm__ volatile(
 210                          "1: \n\t"
 211                          "movl %0, %%fs:(%1)\n\t"
 212                          "addl $4,%1\n\t"
 213                          "subl $4,%2\n\t"
 214                          "jnz 1b\n\t"
 215                          :
 216                          : "a" (0), "D" (0), "c" (1024*1024)
 217                          );
 218
 219
 220 #endif
 221
 222 #if 0
 223         dump_pci_devices();
 224 #endif
 225 #if 0
 226         dump_pci_device(PCI_DEV(0, 0, 0));
 227 #endif
 228
 229 #if 0
 230         print_err("RAM CHECK!\r\n");
 231         // Check 16MB of memory @ 0
 232         ram_check(0x00000000, 0x01000000);
 233 #endif
 234 #if 0
 235         print_err("RAM CHECK for 32 MB!\r\n");
 236         // Check 32MB of memory @ 0
 237         ram_check(0x00000000, 0x02000000);
 238 #endif
 239 #if 1
 240         {
 241           volatile unsigned char *src = (unsigned char *) 0x2000000 + 0x60000;
 242           volatile unsigned char *dst = (unsigned char *) 0x4000;
 243           for(i = 0; i < 0x20000; i++) {
 244             /*
 245               print_err("Set dst "); print_err_hex32((unsigned long) dst);
 246               print_err(" to "); print_err_hex32(*src); print_err("\r\n");
 247             */
 248             *dst = *src;
 249             //print_err(" dst is now "); print_err_hex32(*dst); print_err("\r\n");
 250             dst++, src++;
 251             outb((unsigned char)i, 0x80);
 252           }
 253         }
 254         dumpmem();
 255         outb(0, 0x80);
 256         print_err("loop forever\r\n");
 257         outb(0xdd, 0x80);
 258         __asm__ volatile(
 259                          "movl %0, %%edi\n\t"
 260                          "jmp *%%edi\n\t"
 261                          :
 262                          : "a" (0x4000)
 263                          );
 264
 265         print_err("Oh dear, I'm afraid it didn't work...\r\n");
 266
 267         while(1);
 268 #endif
 269 }
 270