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authorVaibhav Hiremath <hvaibhav@ti.com>2011-09-03 21:29:59 -0400
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2011-09-04 11:36:17 +0200
commitf4dac3e16c1a08eb087e711a7e0ada3cf390d7ea (patch)
tree5d589fa5adb1de1a35bf0eefe3b7405db9225a6a
parentf62b1257f206ba5c54d696a09fe0c79eca007636 (diff)
omap3:clock: configure GFX clock to 200MHz for AM/DM37x
AM/DM37x is another OMAP3 variant, where the GFX clock has been boosted to 192MHz/200MHz. So fix the GFX_DIV value for this change. HW Errata: Due to dependency of TV out clock of 54MHz, it is not possible to configure GFX to 192MHz. So as per HW errats, the recommended GFX clock is 200MHz (=CORE_CLK/2). Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
-rw-r--r--arch/arm/cpu/armv7/omap3/clock.c2
-rw-r--r--arch/arm/include/asm/arch-omap3/clocks_omap3.h1
2 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv7/omap3/clock.c b/arch/arm/cpu/armv7/omap3/clock.c
index 3d38d08ccbf..29ff7131de1 100644
--- a/arch/arm/cpu/armv7/omap3/clock.c
+++ b/arch/arm/cpu/armv7/omap3/clock.c
@@ -399,7 +399,7 @@ static void dpll3_init_36xx(u32 sil_index, u32 clk_index)
/* L3 */
sr32(&prcm_base->clksel_core, 0, 2, CORE_L3_DIV);
/* GFX */
- sr32(&prcm_base->clksel_gfx, 0, 3, GFX_DIV);
+ sr32(&prcm_base->clksel_gfx, 0, 3, GFX_DIV_36X);
/* RESET MGR */
sr32(&prcm_base->clksel_wkup, 1, 2, WKUP_RSM);
/* FREQSEL (CORE_DPLL_FREQSEL): CM_CLKEN_PLL[4:7] */
diff --git a/arch/arm/include/asm/arch-omap3/clocks_omap3.h b/arch/arm/include/asm/arch-omap3/clocks_omap3.h
index ef600dd9db8..db29b7c6df5 100644
--- a/arch/arm/include/asm/arch-omap3/clocks_omap3.h
+++ b/arch/arm/include/asm/arch-omap3/clocks_omap3.h
@@ -39,6 +39,7 @@
#define CORE_L4_DIV 2 /* 83MHz : L4 */
#define CORE_L3_DIV 2 /* 166MHz : L3 {DDR} */
#define GFX_DIV 2 /* 83MHz : CM_CLKSEL_GFX */
+#define GFX_DIV_36X 5 /* 200MHz : CM_CLKSEL_GFX */
#define WKUP_RSM 2 /* 41.5MHz: CM_CLKSEL_WKUP */
/* PER DPLL */