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arm/mach-pxa: add CCCR bits definitions 

Add CCCR bits definition for PXA SoC, so that the bootloader
can setup a stable core clock frequency, which is not the
initial reset clock, as required by Intel's PXA27x Processor
family developer's guide, chapter 3.5.5, table 3.7 (clock
frequencies).

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Robert Jarzmik 2012-01-26 20:55:27 +01:00 committed by Sascha Hauer
parent 513def13ce
commit 5d9e5134a0
1 changed files with 5 additions and 0 deletions
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5
arch/arm/mach-pxa/include/mach/pxa2xx-regs.h
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@ -222,6 +222,11 @@
#define CCCR_N_MASK 0x0380 /* Run Mode Frequency to Turbo Mode Frequency Multiplier */
#define CCCR_M_MASK 0x0060 /* Memory Frequency to Run Mode Frequency Multiplier */
#define CCCR_L_MASK 0x001f /* Crystal Frequency to Memory Frequency Multiplier */
#define CCCR_CPDIS (1 << 31)
#define CCCR_PPDIS (1 << 30)
#define CCCR_LCD26 (1 << 27)
#define CCCR_PLL_EARLY (1 << 26)
#define CCCR_A (1 << 25)
#define CKEN_AC97CONF (1 << 31) /* AC97 Controller Configuration */
#define CKEN_CAMERA (1 << 24) /* Camera Interface Clock Enable */