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| author | Vaibhav Hiremath <hvaibhav@ti.com> | 2011-09-03 21:29:59 -0400 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2011-09-04 11:36:17 +0200 |
| commit | f4dac3e16c1a08eb087e711a7e0ada3cf390d7ea (patch) | |
| tree | 5d589fa5adb1de1a35bf0eefe3b7405db9225a6a | |
| parent | f62b1257f206ba5c54d696a09fe0c79eca007636 (diff) | |
| download | u-boot-imx-f4dac3e16c1a08eb087e711a7e0ada3cf390d7ea.zip u-boot-imx-f4dac3e16c1a08eb087e711a7e0ada3cf390d7ea.tar.gz u-boot-imx-f4dac3e16c1a08eb087e711a7e0ada3cf390d7ea.tar.bz2 | |
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.c | 2 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-omap3/clocks_omap3.h | 1 |
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 3d38d08..29ff713 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 ef600dd..db29b7c 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 */ |