]> git.ipfire.org Git - people/ms/u-boot.git/blobdiff - board/incaip/incaip.c
Add a common get_ram_size() function and modify the the
[people/ms/u-boot.git] / board / incaip / incaip.c
index 10171ddc10228704c0fd51573c4429c44fd922fb..eb6eaea27857c908f9bc173d8886968a2c777543 100644 (file)
@@ -47,52 +47,6 @@ static ulong max_sdram_size(void)
        return size;
 }
 
-/*
- * Check memory range for valid RAM. A simple memory test determines
- * the actually available RAM size between addresses `base' and
- * `base + maxsize'. Some (not all) hardware errors are detected:
- * - short between address lines
- * - short between data lines
- */
-
-static long int dram_size(long int *base, long int maxsize)
-{
-       volatile long int *addr;
-       ulong cnt, val;
-       ulong save[32];                 /* to make test non-destructive */
-       unsigned char i = 0;
-
-       for (cnt = (maxsize / sizeof (long)) >> 1; cnt > 0; cnt >>= 1) {
-               addr = base + cnt;              /* pointer arith! */
-
-               save[i++] = *addr;
-               *addr = ~cnt;
-       }
-
-       /* write 0 to base address */
-       addr = base;
-       save[i] = *addr;
-       *addr = 0;
-
-       /* check at base address */
-       if ((val = *addr) != 0) {
-               *addr = save[i];
-               return (0);
-       }
-
-       for (cnt = 1; cnt < maxsize / sizeof (long); cnt <<= 1) {
-               addr = base + cnt;              /* pointer arith! */
-
-               val = *addr;
-               *addr = save[--i];
-
-               if (val != (~cnt)) {
-                       return (cnt * sizeof (long));
-               }
-       }
-       return (maxsize);
-}
-
 long int initdram(int board_type)
 {
        int   rows, cols, best_val = *INCA_IP_SDRAM_MC_CFGPB0;
@@ -114,7 +68,7 @@ long int initdram(int board_type)
                {
                        *INCA_IP_SDRAM_MC_CFGPB0 = (0x14 << 8) |
                                                   (rows << 4) | cols;
-                       size = dram_size((ulong *)CFG_SDRAM_BASE,
+                       size = get_ram_size((ulong *)CFG_SDRAM_BASE,
                                                             max_sdram_size());
 
                        if (size > max_size)