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| author | Marian Balakowicz <m8@semihalf.com> | 2008-02-21 17:18:01 +0100 |
|---|---|---|
| committer | Marian Balakowicz <m8@semihalf.com> | 2008-02-21 17:18:01 +0100 |
| commit | 20c93959330aba8b5bbdbfde1ef319e99eba235d (patch) | |
| tree | ef82297e3aeb904f94584e6d136fac55ec32c317 /cpu/at32ap/hsdramc.c | |
| parent | 5cf746c303710329f8040d9c62ee354313e3e91f (diff) | |
| parent | 928d1d77f8623c120d8763e20e1ca58df9c5c4c6 (diff) | |
Merge branch 'master' of /home/git/u-boot
Diffstat (limited to 'cpu/at32ap/hsdramc.c')
| -rw-r--r-- | cpu/at32ap/hsdramc.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/cpu/at32ap/hsdramc.c b/cpu/at32ap/hsdramc.c index a936e03166..1fcfe75d74 100644 --- a/cpu/at32ap/hsdramc.c +++ b/cpu/at32ap/hsdramc.c @@ -38,6 +38,10 @@ unsigned long sdram_init(const struct sdram_info *info) unsigned long bus_hz; unsigned int i; + if (!info->refresh_period) + panic("ERROR: SDRAM refresh period == 0. " + "Please update the board code\n"); + tmp = (HSDRAMC1_BF(NC, info->col_bits - 8) | HSDRAMC1_BF(NR, info->row_bits - 11) | HSDRAMC1_BF(NB, info->bank_bits - 1) @@ -113,7 +117,7 @@ unsigned long sdram_init(const struct sdram_info *info) * 15.6 us is a typical value for a burst of length one */ bus_hz = get_sdram_clk_rate(); - hsdramc1_writel(TR, (156 * (bus_hz / 1000)) / 10000); + hsdramc1_writel(TR, info->refresh_period); printf("SDRAM: %u MB at address 0x%08lx\n", sdram_size >> 20, info->phys_addr); |