9ebbec27da
Add definitions of registers / bits found on some AT91SAM9 processors Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
94 lines
4.5 KiB
C
94 lines
4.5 KiB
C
/*
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* include/asm-arm/arch-at91/at91_pmc.h
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*
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* Copyright (C) 2005 Ivan Kokshaysky
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* Copyright (C) SAN People
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*
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* Power Management Controller (PMC) - System peripherals registers.
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* Based on AT91RM9200 datasheet revision E.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef AT91_PMC_H
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#define AT91_PMC_H
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#define AT91_PMC_SCER (AT91_PMC + 0x00) /* System Clock Enable Register */
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#define AT91_PMC_SCDR (AT91_PMC + 0x04) /* System Clock Disable Register */
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#define AT91_PMC_SCSR (AT91_PMC + 0x08) /* System Clock Status Register */
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#define AT91_PMC_PCK (1 << 0) /* Processor Clock */
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#define AT91RM9200_PMC_UDP (1 << 1) /* USB Devcice Port Clock [AT91RM9200 only] */
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#define AT91RM9200_PMC_MCKUDP (1 << 2) /* USB Device Port Master Clock Automatic Disable on Suspend [AT91RM9200 only] */
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#define AT91RM9200_PMC_UHP (1 << 4) /* USB Host Port Clock [AT91RM9200 only] */
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#define AT91SAM926x_PMC_UHP (1 << 6) /* USB Host Port Clock [AT91SAM926x only] */
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#define AT91SAM926x_PMC_UDP (1 << 7) /* USB Devcice Port Clock [AT91SAM926x only] */
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#define AT91_PMC_PCK0 (1 << 8) /* Programmable Clock 0 */
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#define AT91_PMC_PCK1 (1 << 9) /* Programmable Clock 1 */
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#define AT91_PMC_PCK2 (1 << 10) /* Programmable Clock 2 */
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#define AT91_PMC_PCK3 (1 << 11) /* Programmable Clock 3 */
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#define AT91_PMC_HCK0 (1 << 16) /* AHB Clock (USB host) [AT91SAM9261 only] */
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#define AT91_PMC_HCK1 (1 << 17) /* AHB Clock (LCD) [AT91SAM9261 only] */
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#define AT91_PMC_PCER (AT91_PMC + 0x10) /* Peripheral Clock Enable Register */
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#define AT91_PMC_PCDR (AT91_PMC + 0x14) /* Peripheral Clock Disable Register */
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#define AT91_PMC_PCSR (AT91_PMC + 0x18) /* Peripheral Clock Status Register */
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#define AT91_CKGR_UCKR (AT91_PMC + 0x1C) /* UTMI Clock Register [SAM9RL only] */
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#define AT91_CKGR_MOR (AT91_PMC + 0x20) /* Main Oscillator Register [not on SAM9RL] */
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#define AT91_PMC_MOSCEN (1 << 0) /* Main Oscillator Enable */
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#define AT91_PMC_OSCBYPASS (1 << 1) /* Oscillator Bypass [AT91SAM926x only] */
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#define AT91_PMC_OSCOUNT (0xff << 8) /* Main Oscillator Start-up Time */
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#define AT91_CKGR_MCFR (AT91_PMC + 0x24) /* Main Clock Frequency Register */
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#define AT91_PMC_MAINF (0xffff << 0) /* Main Clock Frequency */
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#define AT91_PMC_MAINRDY (1 << 16) /* Main Clock Ready */
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#define AT91_CKGR_PLLAR (AT91_PMC + 0x28) /* PLL A Register */
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#define AT91_CKGR_PLLBR (AT91_PMC + 0x2c) /* PLL B Register */
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#define AT91_PMC_DIV (0xff << 0) /* Divider */
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#define AT91_PMC_PLLCOUNT (0x3f << 8) /* PLL Counter */
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#define AT91_PMC_OUT (3 << 14) /* PLL Clock Frequency Range */
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#define AT91_PMC_MUL (0x7ff << 16) /* PLL Multiplier */
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#define AT91_PMC_USB96M (1 << 28) /* Divider by 2 Enable (PLLB only) */
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#define AT91_PMC_MCKR (AT91_PMC + 0x30) /* Master Clock Register */
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#define AT91_PMC_CSS (3 << 0) /* Master Clock Selection */
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#define AT91_PMC_CSS_SLOW (0 << 0)
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#define AT91_PMC_CSS_MAIN (1 << 0)
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#define AT91_PMC_CSS_PLLA (2 << 0)
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#define AT91_PMC_CSS_PLLB (3 << 0)
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#define AT91_PMC_PRES (7 << 2) /* Master Clock Prescaler */
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#define AT91_PMC_PRES_1 (0 << 2)
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#define AT91_PMC_PRES_2 (1 << 2)
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#define AT91_PMC_PRES_4 (2 << 2)
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#define AT91_PMC_PRES_8 (3 << 2)
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#define AT91_PMC_PRES_16 (4 << 2)
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#define AT91_PMC_PRES_32 (5 << 2)
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#define AT91_PMC_PRES_64 (6 << 2)
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#define AT91_PMC_MDIV (3 << 8) /* Master Clock Division */
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#define AT91_PMC_MDIV_1 (0 << 8)
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#define AT91_PMC_MDIV_2 (1 << 8)
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#define AT91_PMC_MDIV_3 (2 << 8)
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#define AT91_PMC_MDIV_4 (3 << 8)
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#define AT91_PMC_PCKR(n) (AT91_PMC + 0x40 + ((n) * 4)) /* Programmable Clock 0-3 Registers */
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#define AT91_PMC_IER (AT91_PMC + 0x60) /* Interrupt Enable Register */
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#define AT91_PMC_IDR (AT91_PMC + 0x64) /* Interrupt Disable Register */
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#define AT91_PMC_SR (AT91_PMC + 0x68) /* Status Register */
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#define AT91_PMC_MOSCS (1 << 0) /* MOSCS Flag */
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#define AT91_PMC_LOCKA (1 << 1) /* PLLA Lock */
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#define AT91_PMC_LOCKB (1 << 2) /* PLLB Lock */
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#define AT91_PMC_MCKRDY (1 << 3) /* Master Clock */
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#define AT91_PMC_PCK0RDY (1 << 8) /* Programmable Clock 0 */
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#define AT91_PMC_PCK1RDY (1 << 9) /* Programmable Clock 1 */
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#define AT91_PMC_PCK2RDY (1 << 10) /* Programmable Clock 2 */
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#define AT91_PMC_PCK3RDY (1 << 11) /* Programmable Clock 3 */
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#define AT91_PMC_IMR (AT91_PMC + 0x6c) /* Interrupt Mask Register */
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#endif
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