util/romcc/tests/linux_test8.c

   1 #include "linux_syscall.h"
   2 #include "linux_console.h"
   3
   4 struct mem_param {
   5         unsigned char cycle_time;
   6         unsigned char divisor;
   7         unsigned char tRC;
   8         unsigned char tRFC;
   9         unsigned dch_memclk;
  10         unsigned short dch_tref4k, dch_tref8k;
  11         unsigned char dtl_twr;
  12         char name[9];
  13 };
  14
  15 static void test(void)
  16 {
  17         static const struct mem_param param0 = {
  18                 .name = "166Mhz\r\n",
  19                 .cycle_time = 0x60,
  20                 .divisor = (6<<1),
  21                 .tRC = 0x3C,
  22                 .tRFC = 0x48,
  23                 .dch_memclk = 5 << 20,
  24                 .dch_tref4k = 0x02,
  25                 .dch_tref8k = 0x0A,
  26                 .dtl_twr = 3,
  27         };
  28         int value;
  29         unsigned clocks;
  30         const struct mem_param *param;
  31         param = &param0;
  32         value = 0x48;
  33         /* This used to generate 32bit loads instead of 8 bit loads */
  34         clocks = (value + (param->divisor << 1) - 1)/(param->divisor << 1);
  35         print_debug("clocks: ");
  36         print_debug_hex32(clocks);
  37         print_debug("\r\n");
  38         _exit(0);
  39 }