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| author | wdenk <wdenk> | 2004-01-06 22:38:14 +0000 | 
|---|---|---|
| committer | wdenk <wdenk> | 2004-01-06 22:38:14 +0000 | 
| commit | c83bf6a2d00ef846c1fb2b0c60540f03ef203125 (patch) | |
| tree | e410334c86d491dbbec765a5765eef9cccd3135a /board/rmu/rmu.c | |
| parent | b299e41a0d34bf96202d9bbb72739bdd9414b0cc (diff) | |
| download | olio-uboot-2014.01-c83bf6a2d00ef846c1fb2b0c60540f03ef203125.tar.xz olio-uboot-2014.01-c83bf6a2d00ef846c1fb2b0c60540f03ef203125.zip | |
Add a common get_ram_size() function and modify the the
board-specific files to invoke that common implementation.
Diffstat (limited to 'board/rmu/rmu.c')
| -rw-r--r-- | board/rmu/rmu.c | 47 | 
1 files changed, 1 insertions, 46 deletions
| diff --git a/board/rmu/rmu.c b/board/rmu/rmu.c index 5fda4c061..e11b5b89b 100644 --- a/board/rmu/rmu.c +++ b/board/rmu/rmu.c @@ -155,53 +155,8 @@ static long int dram_size (long int mamr_value, long int *base,  {  	volatile immap_t *immap = (immap_t *) CFG_IMMR;  	volatile memctl8xx_t *memctl = &immap->im_memctl; -	volatile long int *addr; -	ulong cnt, val, size; -	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) { -		/* Restore the original data before leaving the function. -		 */ -		*addr = save[i]; -		for (cnt = 1; cnt <= maxsize / sizeof(long); cnt <<= 1) { -			addr  = (volatile ulong *) base + cnt; -			*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)) { -			size = cnt * sizeof (long); -			/* Restore the original data before returning -			 */ -			for (cnt <<= 1; cnt <= maxsize / sizeof (long); cnt <<= 1) { -				addr  = (volatile ulong *) base + cnt; -				*addr = save[--i]; -			} -			return (size); -		} -	} -	return (maxsize); +	return (get_ram_size(base, maxsize));  } |