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| author | Wolfgang Denk <wd@denx.de> | 2008-02-15 00:14:26 +0100 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2008-02-15 00:14:26 +0100 |
| commit | 92915741fc7c77175680e036965fb88d7552d743 (patch) | |
| tree | ea4fd23ae70a1e9f444582cf98529dc21358e612 /cpu | |
| parent | d9da0a394a141cf188d646dd89e30c083526ce77 (diff) | |
| parent | d38da537943cd36356b9d3d9d9b60533554b81d8 (diff) | |
| download | u-boot-imx-92915741fc7c77175680e036965fb88d7552d743.zip u-boot-imx-92915741fc7c77175680e036965fb88d7552d743.tar.gz u-boot-imx-92915741fc7c77175680e036965fb88d7552d743.tar.bz2 | |
Merge branch 'master' of git://www.denx.de/git/u-boot-avr32
Diffstat (limited to 'cpu')
| -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 a936e03..1fcfe75 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); |