diff options
Diffstat (limited to 'board/fads/fads.c')
| -rw-r--r-- | board/fads/fads.c | 43 |
1 files changed, 2 insertions, 41 deletions
diff --git a/board/fads/fads.c b/board/fads/fads.c index 3083740..1507146 100644 --- a/board/fads/fads.c +++ b/board/fads/fads.c @@ -187,45 +187,6 @@ static const uint edo_70ns[] = #endif /* ------------------------------------------------------------------------- */ -static long int dram_size (long int *base, long int maxsize) -{ - volatile long int *addr=base; - ulong cnt, val; - ulong save[32]; /* to make test non-destructive */ - unsigned char i = 0; - - for (cnt = maxsize / sizeof (long); 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); -} - -/* ------------------------------------------------------------------------- */ static int _draminit (uint base, uint noMbytes, uint edo, uint delay) { volatile immap_t *immap = (immap_t *) CFG_IMMR; @@ -306,10 +267,10 @@ static int _draminit (uint base, uint noMbytes, uint edo, uint delay) /* if no dimm is inserted, noMbytes is still detected as 8m, so * sanity check top and bottom of memory */ - /* check bytes / 2 because dram_size tests at base+bytes, which + /* check bytes / 2 because get_ram_size tests at base+bytes, which * is not mapped */ if (noMbytes == 8) - if (dram_size ((long *) base, noMbytes << 19) != noMbytes << 19) { + if (get_ram_size ((long *) base, noMbytes << 19) != noMbytes << 19) { *((uint *) BCSR1) |= BCSR1_DRAM_EN; /* disable dram */ return -1; } |