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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/include/mach
parentc9812d042a21eb492a36cfabf9f41107f5ecee3d (diff)
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/include/mach')
-rw-r--r--arch/arm/plat-omap/include/mach/sram.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/plat-omap/include/mach/sram.h b/arch/arm/plat-omap/include/mach/sram.h
index c32fa0a220d..4f87056a367 100644
--- a/arch/arm/plat-omap/include/mach/sram.h
+++ b/arch/arm/plat-omap/include/mach/sram.h
@@ -24,7 +24,7 @@ extern u32 omap2_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass);
extern 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 unlock_dll, u32 f, u32 sdrc_mr);
/* Do not use these */
extern void omap1_sram_reprogram_clock(u32 ckctl, u32 dpllctl);
@@ -62,7 +62,7 @@ extern unsigned long omap243x_sram_reprogram_sdrc_sz;
extern 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 unlock_dll, u32 f, u32 sdrc_mr);
extern unsigned long omap3_sram_configure_core_dpll_sz;
#endif