diff options
author | wdenk <wdenk> | 2004-01-06 22:38:14 +0000 |
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committer | wdenk <wdenk> | 2004-01-06 22:38:14 +0000 |
commit | c83bf6a2d00ef846c1fb2b0c60540f03ef203125 (patch) | |
tree | e410334c86d491dbbec765a5765eef9cccd3135a /board/RPXClassic/RPXClassic.c | |
parent | b299e41a0d34bf96202d9bbb72739bdd9414b0cc (diff) |
Add a common get_ram_size() function and modify the the
board-specific files to invoke that common implementation.
Diffstat (limited to 'board/RPXClassic/RPXClassic.c')
-rw-r--r-- | board/RPXClassic/RPXClassic.c | 34 |
1 files changed, 1 insertions, 33 deletions
diff --git a/board/RPXClassic/RPXClassic.c b/board/RPXClassic/RPXClassic.c index 5689334ad0..5b12a0c04c 100644 --- a/board/RPXClassic/RPXClassic.c +++ b/board/RPXClassic/RPXClassic.c @@ -220,42 +220,10 @@ static long int dram_size (long int mamr_value, long int *base, long int maxsize { volatile immap_t *immap = (immap_t *) CFG_IMMR; volatile memctl8xx_t *memctl = &immap->im_memctl; - volatile long int *addr; - ulong cnt, val; - ulong save[32]; /* to make test non-destructive */ - unsigned char i = 0; memctl->memc_mamr = mamr_value; - 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); + return (get_ram_size(base, maxsize)); } /*----------------------------------------------------------------------------- * aschex_to_byte -- |