OMAP3 clock/SDRC: program SDRC_MR register during SDRC clock change

Program the SDRC_MR_0 register as well during SDRC clock changes.
This register allows selection of the memory CAS latency.  Some SDRAM
chips, such as the Qimonda HYB18M512160AF6, have a lower CAS latency
at lower clock rates.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
This commit is contained in:
Paul Walmsley
2009-06-19 19:08:27 -06:00
committed by paul
parent c9812d042a
commit d0ba3922ae
4 changed files with 14 additions and 8 deletions

View File

@@ -771,9 +771,9 @@ static int omap3_core_dpll_m2_set_rate(struct clk *clk, unsigned long rate)
/* REVISIT: SRAM code doesn't support other M2 divisors yet */
WARN_ON(new_div != 1 && new_div != 2);
/* REVISIT: Add SDRC_MR changing to this code also */
omap3_configure_core_dpll(sp->rfr_ctrl, sp->actim_ctrla,
sp->actim_ctrlb, new_div, unlock_dll, c);
sp->actim_ctrlb, new_div, unlock_dll, c,
sp->mr);
return 0;
}