diff options
Diffstat (limited to 'board/incaip')
| -rw-r--r-- | board/incaip/incaip.c | 48 |
1 files changed, 1 insertions, 47 deletions
diff --git a/board/incaip/incaip.c b/board/incaip/incaip.c index 10171dd..eb6eaea 100644 --- a/board/incaip/incaip.c +++ b/board/incaip/incaip.c @@ -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) |