at91_pmc.h File Reference

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Detailed Description

AT91 peripherals.

 *
 * $Log: at91_pmc.h,v $
 * Revision 1.6  2006/09/29 12:43:44  haraldkipp
 * Excluded second PLL from SAM7X builds. Corrected USB divider names.
 *
 * Revision 1.5  2006/08/31 19:08:14  haraldkipp
 * Defining register offsets simplifies assembly programming.
 *
 * Revision 1.4  2006/08/05 11:59:23  haraldkipp
 * Wrong PMC register offsets fixed.
 *
 * Revision 1.3  2006/07/26 11:22:05  haraldkipp
 * Added shift values for multi-bit parameters.
 *
 * Revision 1.2  2006/07/18 14:05:26  haraldkipp
 * Changed coding style to follow existing headers.
 *
 * Revision 1.1  2006/07/05 07:45:28  haraldkipp
 * Split on-chip interface definitions.
 *
 *
 * 

System Clock Enable, Disable and Status Register
#define	PMC_SCER_OFF   0x00000000
	System clock enable register offset.
#define	PMC_SCER   (PMC_BASE + PMC_SCER_OFF)
	System clock enable register address.
#define	PMC_SCDR_OFF   0x00000004
	System clock disable register offset.
#define	PMC_SCDR   (PMC_BASE + PMC_SCDR_OFF)
	System clock disable register address.
#define	PMC_SCSR_OFF   0x00000008
	System clock status register offset.
#define	PMC_SCSR   (PMC_BASE + PMC_SCSR_OFF)
	System clock status register address.
#define	PMC_PCK   0x00000001
	Processor clock.
#define	PMC_UHP   0x00000040
	USB host port clock.
#define	PMC_UDP   0x00000080
	USB device port clock.
#define	PMC_PCK0   0x00000100
	Programmable clock 0 output.
#define	PMC_PCK1   0x00000200
	Programmable clock 1 output.
#define	PMC_PCK2   0x00000400
	Programmable clock 2 output.
#define	PMC_PCK3   0x00000800
	Programmable clock 3 output.
Peripheral Clock Enable, Disable and Status Register
#define	PMC_PCER_OFF   0x00000010
	Peripheral clock enable register offset.
#define	PMC_PCER   (PMC_BASE + PMC_PCER_OFF)
	Peripheral clock enable register address.
#define	PMC_PCDR_OFF   0x00000014
	Peripheral clock disable register offset.
#define	PMC_PCDR   (PMC_BASE + PMC_PCDR_OFF)
	Peripheral clock disable register address.
#define	PMC_PCSR_OFF   0x00000018
	Peripheral clock status register offset.
#define	PMC_PCSR   (PMC_BASE + PMC_PCSR_OFF)
	Peripheral clock status register address.
Clock Generator Main Oscillator Register
#define	CKGR_MOR_OFF   0x00000020
	Main oscillator register offset.
#define	CKGR_MOR   (PMC_BASE + CKGR_MOR_OFF)
	Main oscillator register address.
#define	CKGR_MOSCEN   0x00000001
	Main oscillator enable.
#define	CKGR_OSCBYPASS   0x00000002
	Main oscillator bypass.
#define	CKGR_OSCOUNT   0x0000FF00
	Main oscillator start-up time mask.
#define	CKGR_OSCOUNT_LSB   8
	Main oscillator start-up time LSB.
Clock Generator Main Clock Frequency Register
#define	CKGR_MCFR_OFF   0x00000024
	Main clock frequency register offset.
#define	CKGR_MCFR   (PMC_BASE + CKGR_MCFR_OFF)
	Main clock frequency register address.
#define	CKGR_MAINF   0x0000FFFF
	Main clock frequency mask mask.
#define	CKGR_MAINF_OFF   0
	Main clock frequency mask LSB.
#define	CKGR_MAINRDY   0x00010000
	Main clock ready.
PLL Registers
#define	CKGR_DIV   0x000000FF
	Divider.
#define	CKGR_DIV_LSB   0
	Least significant bit of the divider.
#define	CKGR_DIV_0   0x00000000
	Divider output is 0.
#define	CKGR_DIV_BYPASS   0x00000001
	Divider is bypassed.
#define	CKGR_PLLCOUNT   0x00003F00
	PLL counter mask.
#define	CKGR_PLLCOUNT_LSB   8
	PLL counter LSB.
#define	CKGR_OUT   0x0000C000
	PLL output frequency range.
#define	CKGR_OUT_0   0x00000000
	Please refer to the PLL datasheet.
#define	CKGR_OUT_1   0x00004000
	Please refer to the PLL datasheet.
#define	CKGR_OUT_2   0x00008000
	Please refer to the PLL datasheet.
#define	CKGR_OUT_3   0x0000C000
	Please refer to the PLL datasheet.
#define	CKGR_MUL   0x07FF0000
	PLL multiplier.
#define	CKGR_MUL_LSB   16
	Least significant bit of the PLL multiplier.
#define	CKGR_USBDIV   0x30000000
	Divider for USB clocks.
#define	CKGR_USBDIV_1   0x00000000
	Divider output is PLL clock output.
#define	CKGR_USBDIV_2   0x10000000
	Divider output is PLL clock output divided by 2.
#define	CKGR_USBDIV_4   0x20000000
	Divider output is PLL clock output divided by 4.
Master Clock Register
#define	PMC_MCKR_OFF   0x00000030
	Master clock register offset.
#define	PMC_MCKR   (PMC_BASE + PMC_MCKR_OFF)
	Master clock register address.
#define	PMC_ACKR_OFF   0x00000034
	Application clock register offset.
#define	PMC_ACKR   (PMC_BASE + PMC_ACKR_OFF)
	Application clock register address.
#define	PMC_PCKR0_OFF   0x00000040
	Programmable clock 0 register offset.
#define	PMC_PCKR0   (PMC_BASE + PMC_PCKR0_OFF)
	Programmable clock 0 register address.
#define	PMC_PCKR1_OFF   0x00000044
	Programmable clock 1 register offset.
#define	PMC_PCKR1   (PMC_BASE + PMC_PCKR1_OFF)
	Programmable clock 1 register address.
#define	PMC_PCKR2_OFF   0x00000048
	Programmable clock 2 register offset.
#define	PMC_PCKR2   (PMC_BASE + PMC_PCKR2_OFF)
	Programmable clock 2 register address.
#define	PMC_PCKR3_OFF   0x0000004C
	Programmable clock 3 register offset.
#define	PMC_PCKR3   (PMC_BASE + PMC_PCKR3_OFF)
	Programmable clock 3 register address.
#define	PMC_CSS   0x00000003
	Clock selection mask.
#define	PMC_CSS_SLOW_CLK   0x00000000
	Slow clock selected.
#define	PMC_CSS_MAIN_CLK   0x00000001
	Main clock selected.
#define	PMC_PRES   0x0000001C
	Clock prescaler mask.
#define	PMC_PRES_LSB   2
	Clock prescaler LSB.
#define	PMC_PRES_CLK   0x00000000
	Selected clock, not divided.
#define	PMC_PRES_CLK_2   0x00000004
	Selected clock divided by 2.
#define	PMC_PRES_CLK_4   0x00000008
	Selected clock divided by 4.
#define	PMC_PRES_CLK_8   0x0000000C
	Selected clock divided by 8.
#define	PMC_PRES_CLK_16   0x00000010
	Selected clock divided by 16.
#define	PMC_PRES_CLK_32   0x00000014
	Selected clock divided by 32.
#define	PMC_PRES_CLK_64   0x00000018
	Selected clock divided by 64.
Power Management Status and Interrupt Registers
#define	PMC_IER_OFF   0x00000060
	Interrupt enable register offset.
#define	PMC_IER   (PMC_BASE + PMC_IER_OFF)
	Interrupt enable register address.
#define	PMC_IDR_OFF   0x00000064
	Interrupt disable register offset.
#define	PMC_IDR   (PMC_BASE + PMC_IDR_OFF)
	Interrupt disable register address.
#define	PMC_SR_OFF   0x00000068
	Status register offset.
#define	PMC_SR   (PMC_BASE + PMC_SR_OFF)
	Status register address.
#define	PMC_IMR_OFF   0x0000006C
	Interrupt mask register offset.
#define	PMC_IMR   (PMC_BASE + PMC_IMR_OFF)
	Interrupt mask register address.
#define	PMC_MOSCS   0x00000001
	Main oscillator.
#define	PMC_MCKRDY   0x00000008
	Master clock ready.
#define	PMC_OSC_SEL   0x00000080
	Slow clock oscillator selection.
#define	PMC_PCKRDY0   0x00000100
	Programmable clock 0 ready.
#define	PMC_PCKRDY1   0x00000200
	Programmable clock 1 ready.
#define	PMC_PCKRDY2   0x00000400
	Programmable clock 2 ready.
#define	PMC_PCKRDY3   0x00000800
	Programmable clock 3 ready.

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