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| author | Jens Gehrlein <jens.gehrlein@tqs.de> | 2007-09-26 17:55:54 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2007-12-27 01:59:50 +0100 |
| commit | 22d1a56cbfb0bff34f477b4db6a55d076d829b83 (patch) | |
| tree | b8206a0016a00d0d13564b2ff22c080cadf9f762 /cpu/mpc8xx | |
| parent | b988b8cd443989be65161888eea0127ad03f846f (diff) | |
| download | u-boot-imx-22d1a56cbfb0bff34f477b4db6a55d076d829b83.zip u-boot-imx-22d1a56cbfb0bff34f477b4db6a55d076d829b83.tar.gz u-boot-imx-22d1a56cbfb0bff34f477b4db6a55d076d829b83.tar.bz2 | |
TQM885D: Exchanged SDRAM timing by a more relaxed timing.
CAS-Latency=2, Write Recovery Time tWR=2
The max. supported bus frequency is 66 MHz. Therefore, changed
threshold to switch from 1:1 mode to 2:1 from 80 MHz to 66 MHz.
Signed-off-by: Martin Krause <martin.krause@tqs.de>
Diffstat (limited to 'cpu/mpc8xx')
| -rw-r--r-- | cpu/mpc8xx/speed.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/cpu/mpc8xx/speed.c b/cpu/mpc8xx/speed.c index 101d5f9..11b0893 100644 --- a/cpu/mpc8xx/speed.c +++ b/cpu/mpc8xx/speed.c @@ -259,11 +259,8 @@ int get_clocks_866 (void) */ sccr_reg = immr->im_clkrst.car_sccr; sccr_reg &= ~SCCR_EBDF11; -#if defined(CONFIG_TQM885D) - if (gd->cpu_clk <= 80000000) { -#else + if (gd->cpu_clk <= 66000000) { -#endif sccr_reg |= SCCR_EBDF00; /* bus division factor = 1 */ gd->bus_clk = gd->cpu_clk; } else { |