/* * AT91RM9200 Power Management and Clock definitions * * Copyright (c) 2002 by Cogent Computer Systems * Written by Mike Kelly * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.rtems.com/license/LICENSE. */ #ifndef __AT91RM9200_PMC_H__ #define __AT91RM9200_PMC_H__ #include /*********************************************************************** * Power Management and Clock Control Register Offsets ***********************************************************************/ int at91rm9200_get_mainclk(void); int at91rm9200_get_slck(void); int at91rm9200_get_mck(void); #define PMC_SCER 0x00 /* System Clock Enable Register */ #define PMC_SCDR 0x04 /* System Clock Disable Register */ #define PMC_SCSR 0x08 /* System Clock Status Register */ #define PMC_PCER 0x10 /* Peripheral Clock Enable Register */ #define PMC_PCDR 0x14 /* Peripheral Clock Disable Register */ #define PMC_PCSR 0x18 /* Peripheral Clock Status Register */ #define PMC_MOR 0x20 /* Main Oscillator Register */ #define PMC_MCFR 0x24 /* Main Clock Frequency Register */ #define PMC_PLLAR 0x28 /* PLL A Register */ #define PMC_PLLBR 0x2C /* PLL B Register */ #define PMC_MCKR 0x30 /* Master Clock Register */ #define PMC_PCKR0 0x40 /* Programmable Clock Register 0 */ #define PMC_PCKR1 0x44 /* Programmable Clock Register 1 */ #define PMC_PCKR2 0x48 /* Programmable Clock Register 2 */ #define PMC_PCKR3 0x4C /* Programmable Clock Register 3 */ #define PMC_PCKR4 0x50 /* Programmable Clock Register 4 */ #define PMC_PCKR5 0x54 /* Programmable Clock Register 5 */ #define PMC_PCKR6 0x58 /* Programmable Clock Register 6 */ #define PMC_PCKR7 0x5C /* Programmable Clock Register 7 */ #define PMC_IER 0x60 /* Interrupt Enable Register */ #define PMC_IDR 0x64 /* Interrupt Disable Register */ #define PMC_SR 0x68 /* Status Register */ #define PMC_IMR 0x6C /* Interrupt Mask Register */ /* Bit Defines */ /* PMC_SCDR - System Clock Disable Register */ /* PMC_SCSR - System Clock Status Register */ /* PMC_SCER - System Clock Enable Register */ #define PMC_SCR_PCK7 BIT15 #define PMC_SCR_PCK6 BIT14 #define PMC_SCR_PCK5 BIT13 #define PMC_SCR_PCK4 BIT12 #define PMC_SCR_PCK3 BIT11 #define PMC_SCR_PCK2 BIT10 #define PMC_SCR_PCK1 BIT9 #define PMC_SCR_PCK0 BIT8 #define PMC_SCR_UHP BIT4 #define PMC_SCR_MCKUDP BIT2 #define PMC_SCR_UDP BIT1 #define PMC_SCR_PCK BIT0 /* PMC_PCER - Peripheral Clock Enable Register */ /* PMC_PCDR - Peripheral Clock Disable Register */ /* PMC_PCSR - Peripheral Clock Status Register */ #define PMC_PCR_PID_EMAC BIT24 /* Ethernet Peripheral Clock */ #define PMC_PCR_PID_UHP BIT23 /* USB Host Ports Peripheral Clock */ #define PMC_PCR_PID_TC5 BIT22 /* Timer/Counter 5 Peripheral Clock */ #define PMC_PCR_PID_TC4 BIT21 /* Timer/Counter 4 Peripheral Clock */ #define PMC_PCR_PID_TC3 BIT20 /* Timer/Counter 3 Peripheral Clock */ #define PMC_PCR_PID_TC2 BIT19 /* Timer/Counter 2 Peripheral Clock */ #define PMC_PCR_PID_TC1 BIT18 /* Timer/Counter 1 Peripheral Clock */ #define PMC_PCR_PID_TC0 BIT17 /* Timer/Counter 0 Peripheral Clock */ #define PMC_PCR_PID_SSC2 BIT16 /* Synchronous Serial 2 Peripheral Clock */ #define PMC_PCR_PID_SSC1 BIT15 /* Synchronous Serial 1 Peripheral Clock */ #define PMC_PCR_PID_SSC0 BIT14 /* Synchronous Serial 0 Peripheral Clock */ #define PMC_PCR_PID_SPI BIT13 /* Serial Peripheral Interface Peripheral Clock */ #define PMC_PCR_PID_TWI BIT12 /* Two-Wire Interface Peripheral Clock */ #define PMC_PCR_PID_UDP BIT11 /* USB Device Port Peripheral Clock */ #define PMC_PCR_PID_MCI BIT10 /* MMC/SD Card Peripheral Clock */ #define PMC_PCR_PID_US3 BIT9 /* USART 3 Peripheral Clock */ #define PMC_PCR_PID_US2 BIT8 /* USART 2 Peripheral Clock */ #define PMC_PCR_PID_US1 BIT7 /* USART 1 Peripheral Clock */ #define PMC_PCR_PID_US0 BIT6 /* USART 0 Peripheral Clock */ #define PMC_PCR_PID_PIOD BIT5 /* Parallel I/O D Peripheral Clock */ #define PMC_PCR_PID_PIOC BIT4 /* Parallel I/O C Peripheral Clock */ #define PMC_PCR_PID_PIOB BIT3 /* Parallel I/O B Peripheral Clock */ #define PMC_PCR_PID_PIOA BIT2 /* Parallel I/O A Peripheral Clock */ /* PMC_MOR - Main Oscillator Register */ #define PMC_MOR_MOSCEN BIT0 /* PMC_MCFR - Main Clock Frequency Register */ #define PMC_MCFR_MAINRDY BIT16 /* PMC_PLLAR - PLL A Register */ #define PMC_PLLAR_MUST_SET BIT29 /* This bit must be set according to the docs */ #define PMC_PLLAR_MUL(_x_) ((_x_ & 0x7ff) << 16) /* Multiplier */ #define PMC_PLLAR_MUL_MASK (0x7ff << 16) /* Multiplier mask */ #define PMC_PLLAR_OUT_80_160 (0 << 14) /* select when PLL frequency is 80-160 Mhz */ #define PMC_PLLAR_OUT_150_240 (2 << 14) /* select when PLL frequency is 150-240 Mhz */ #define PMC_PLLAR_DIV(_x_) ((_x_ & 0xff) << 0) /* Divider */ #define PMC_PLLAR_DIV_MASK (0xff) /* Divider mask */ /* PMC_PLLBR - PLL B Register */ #define PMC_PLLBR_USB_96M BIT28 /* Set when PLL is 96Mhz to divide it by 2 for USB */ #define PMC_PLLBR_MUL(_x_) ((_x_ & 0x7ff) << 16) /* Multiplier */ #define PMC_PLLBR_MUL_MASK (0x7ff << 16) /* Multiplier mask */ #define PMC_PLLBR_OUT_80_160 (0 << 14) /* select when PLL frequency is 80-160 Mhz */ #define PMC_PLLBR_OUT_150_240 (2 << 14) /* select when PLL frequency is 150-240 Mhz */ #define PMC_PLLBR_DIV(_x_) ((_x_ & 0xff) << 0) /* Divider */ #define PMC_PLLBR_DIV_MASK (0xff) /* Divider mask */ /* PMC_MCKR - Master Clock Register */ #define PMC_MCKR_MDIV_MASK (3 << 8) /* for masking out the MDIV field */ #define PMC_MCKR_MDIV_1 (0 << 8) /* MCK = Core/1 */ #define PMC_MCKR_MDIV_2 (1 << 8) /* MCK = Core/2 */ #define PMC_MCKR_MDIV_3 (2 << 8) /* MCK = Core/3 */ #define PMC_MCKR_MDIV_4 (3 << 8) /* MCK = Core/4 */ #define PMC_MCKR_PRES_MASK (7 << 2) /* for masking out the PRES field */ #define PMC_MCKR_PRES_1 (0 << 2) /* Core = CSS/1 */ #define PMC_MCKR_PRES_2 (1 << 2) /* Core = CSS/2 */ #define PMC_MCKR_PRES_4 (2 << 2) /* Core = CSS/4 */ #define PMC_MCKR_PRES_8 (3 << 2) /* Core = CSS/8 */ #define PMC_MCKR_PRES_16 (4 << 2) /* Core = CSS/16 */ #define PMC_MCKR_PRES_32 (5 << 2) /* Core = CSS/32 */ #define PMC_MCKR_PRES_64 (6 << 2) /* Core = CSS/64 */ #define PMC_MCKR_CSS_MASK (3 << 0) /* for masking out the CSS field */ #define PMC_MCKR_CSS_SLOW (0 << 0) /* Core Source = Slow Clock */ #define PMC_MCKR_CSS_MAIN (1 << 0) /* Core Source = Main Oscillator */ #define PMC_MCKR_CSS_PLLA (2 << 0) /* Core Source = PLL A */ #define PMC_MCKR_CSS_PLLB (3 << 0) /* Core Source = PLL B */ /* PMC_PCKR0 - 7 - Programmable Clock Register 0 */ #define PMC_PCKR_PRES_1 (0 << 2) /* Peripheral Clock = CSS/1 */ #define PMC_PCKR_PRES_2 (1 << 2) /* Peripheral Clock = CSS/2 */ #define PMC_PCKR_PRES_4 (2 << 2) /* Peripheral Clock = CSS/4 */ #define PMC_PCKR_PRES_8 (3 << 2) /* Peripheral Clock = CSS/8 */ #define PMC_PCKR_PRES_16 (4 << 2) /* Peripheral Clock = CSS/16 */ #define PMC_PCKR_PRES_32 (5 << 2) /* Peripheral Clock = CSS/32 */ #define PMC_PCKR_PRES_64 (6 << 2) /* Peripheral Clock = CSS/64 */ #define PMC_PCKR_CSS_SLOW (0 << 0) /* Peripheral Clock Source = Slow Clock */ #define PMC_PCKR_CSS_MAIN (1 << 0) /* Peripheral Clock Source = Main Oscillator */ #define PMC_PCKR_CSS_PLLA (2 << 0) /* Peripheral Clock Source = PLL A */ #define PMC_PCKR_CSS_PLLB (3 << 0) /* Peripheral Clock Source = PLL B */ /* PMC_IER - Interrupt Enable Register */ /* PMC_IDR - Interrupt Disable Register */ /* PMC_SR - Status Register */ /* PMC_IMR - Interrupt Mask Register */ #define PMC_INT_PCK7_RDY BIT15 #define PMC_INT_PCK6_RDY BIT14 #define PMC_INT_PCK5_RDY BIT13 #define PMC_INT_PCK4_RDY BIT12 #define PMC_INT_PCK3_RDY BIT11 #define PMC_INT_PCK2_RDY BIT10 #define PMC_INT_PCK1_RDY BIT9 #define PMC_INT_PCK0_RDY BIT8 #define PMC_INT_MCK_RDY BIT3 #define PMC_INT_LOCKB BIT2 #define PMC_INT_LCKA BIT1 #define PMC_INT_MOSCS BIT0 #endif