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authorPaul Walmsley <paul@pwsan.com>2009-06-19 19:08:27 -0600
committerpaul <paul@twilight.(none)>2009-06-19 19:09:31 -0600
commitd0ba3922ae241a87d22a1c3ffad72b96fe993c9a (patch)
tree3f23d60fbbf2ffceef44b01c8579db7be7d20025 /arch/arm/plat-omap/sram.c
parentOMAP3 clock: add a short delay when lowering CORE clk rate (diff)
downloadlinux-dev-d0ba3922ae241a87d22a1c3ffad72b96fe993c9a.tar.xz
linux-dev-d0ba3922ae241a87d22a1c3ffad72b96fe993c9a.zip
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>
Diffstat (limited to 'arch/arm/plat-omap/sram.c')
-rw-r--r--arch/arm/plat-omap/sram.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
index 79c0f0254426..7dadf1a59fb5 100644
--- a/arch/arm/plat-omap/sram.c
+++ b/arch/arm/plat-omap/sram.c
@@ -372,16 +372,16 @@ static u32 (*_omap3_sram_configure_core_dpll)(u32 sdrc_rfr_ctrl,
u32 sdrc_actim_ctrla,
u32 sdrc_actim_ctrlb,
u32 m2, u32 unlock_dll,
- u32 f);
+ u32 f, u32 sdrc_mr);
u32 omap3_configure_core_dpll(u32 sdrc_rfr_ctrl, u32 sdrc_actim_ctrla,
u32 sdrc_actim_ctrlb, u32 m2, u32 unlock_dll,
- u32 f)
+ u32 f, u32 sdrc_mr)
{
BUG_ON(!_omap3_sram_configure_core_dpll);
return _omap3_sram_configure_core_dpll(sdrc_rfr_ctrl,
sdrc_actim_ctrla,
sdrc_actim_ctrlb, m2,
- unlock_dll, f);
+ unlock_dll, f, sdrc_mr);
}
/* REVISIT: Should this be same as omap34xx_sram_init() after off-idle? */