bootloader/ramtest.h

   1 #ifndef RAMTEST_H
   2 #define RAMTEST_H
   3
   4 #define START 0x10000000
   5 #define SIZE  ((1024 * 1024 * 16))
   6
   7 static void ram_write(void)
   8 {
   9         unsigned int i;
  10
  11         for (i = 0; i < SIZE; i += 4) {
  12                 *(volatile unsigned int *) (START + i) = ~i;
  13                 if (i % 100000 == 0)
  14                         print(".");
  15         }
  16
  17         print("\n");
  18 }
  19
  20 static void ram_read(void)
  21 {
  22         unsigned int i;
  23
  24         for (i = 0; i < SIZE; i += 4) {
  25                 unsigned int v = *(volatile unsigned int *) (START + i);
  26                 if (~v != i) {
  27                         print("FAILED @");
  28                         print_u32(i);
  29                         print(" - ");
  30                         print_u32(v);
  31                         print("\n");
  32                         return;
  33                 }
  34
  35                 if (i % 100000 == 0)
  36                         print(":");
  37         }
  38
  39         print("\nPASSED\n");
  40 }
  41
  42 #endif /* RAMTEST_H */