cregit-Linux how code gets into the kernel

Release 4.14 arch/m68k/include/asm/MC68EZ328.h

/* SPDX-License-Identifier: GPL-2.0 */

/* include/asm-m68knommu/MC68EZ328.h: 'EZ328 control registers
 *
 * Copyright (C) 1999  Vladimir Gurevich <vgurevic@cisco.com>
 *                     Bear & Hare Software, Inc.
 *
 * Based on include/asm-m68knommu/MC68332.h
 * Copyright (C) 1998  Kenneth Albanowski <kjahds@kjahds.com>,
 *                     The Silver Hammer Group, Ltd.
 *
 */
#include <linux/compiler.h>

#ifndef _MC68EZ328_H_

#define _MC68EZ328_H_


#define BYTE_REF(addr) (*((volatile unsigned char*)addr))

#define WORD_REF(addr) (*((volatile unsigned short*)addr))

#define LONG_REF(addr) (*((volatile unsigned long*)addr))


#define PUT_FIELD(field, val) (((val) << field##_SHIFT) & field##_MASK)

#define GET_FIELD(reg, field) (((reg) & field##_MASK) >> field##_SHIFT)

/********** 
 *
 * 0xFFFFF0xx -- System Control
 *
 **********/
 
/*
 * System Control Register (SCR)
 */

#define SCR_ADDR	0xfffff000

#define SCR		BYTE_REF(SCR_ADDR)


#define SCR_WDTH8	0x01	
/* 8-Bit Width Select */

#define SCR_DMAP	0x04	
/* Double Map */

#define SCR_SO		0x08	
/* Supervisor Only */

#define SCR_BETEN	0x10	
/* Bus-Error Time-Out Enable */

#define SCR_PRV		0x20	
/* Privilege Violation */

#define SCR_WPV		0x40	
/* Write Protect Violation */

#define SCR_BETO	0x80	
/* Bus-Error TimeOut */

/*
 * Silicon ID Register (Mask Revision Register (MRR) for '328 Compatibility)
 */

#define MRR_ADDR 0xfffff004

#define MRR	 LONG_REF(MRR_ADDR)

/********** 
 *
 * 0xFFFFF1xx -- Chip-Select logic
 *
 **********/
 
/*
 * Chip Select Group Base Registers 
 */

#define CSGBA_ADDR	0xfffff100

#define CSGBB_ADDR	0xfffff102


#define CSGBC_ADDR	0xfffff104

#define CSGBD_ADDR	0xfffff106


#define CSGBA		WORD_REF(CSGBA_ADDR)

#define CSGBB		WORD_REF(CSGBB_ADDR)

#define CSGBC		WORD_REF(CSGBC_ADDR)

#define CSGBD		WORD_REF(CSGBD_ADDR)

/*
 * Chip Select Registers 
 */

#define CSA_ADDR	0xfffff110

#define CSB_ADDR	0xfffff112

#define CSC_ADDR	0xfffff114

#define CSD_ADDR	0xfffff116


#define CSA		WORD_REF(CSA_ADDR)

#define CSB		WORD_REF(CSB_ADDR)

#define CSC		WORD_REF(CSC_ADDR)

#define CSD		WORD_REF(CSD_ADDR)


#define CSA_EN		0x0001		
/* Chip-Select Enable */

#define CSA_SIZ_MASK	0x000e		
/* Chip-Select Size */

#define CSA_SIZ_SHIFT   1

#define CSA_WS_MASK	0x0070		
/* Wait State */

#define CSA_WS_SHIFT    4

#define CSA_BSW		0x0080		
/* Data Bus Width */

#define CSA_FLASH	0x0100		
/* FLASH Memory Support */

#define CSA_RO		0x8000		
/* Read-Only */


#define CSB_EN		0x0001		
/* Chip-Select Enable */

#define CSB_SIZ_MASK	0x000e		
/* Chip-Select Size */

#define CSB_SIZ_SHIFT   1

#define CSB_WS_MASK	0x0070		
/* Wait State */

#define CSB_WS_SHIFT    4

#define CSB_BSW		0x0080		
/* Data Bus Width */

#define CSB_FLASH	0x0100		
/* FLASH Memory Support */

#define CSB_UPSIZ_MASK	0x1800		
/* Unprotected memory block size */

#define CSB_UPSIZ_SHIFT 11

#define CSB_ROP		0x2000		
/* Readonly if protected */

#define CSB_SOP		0x4000		
/* Supervisor only if protected */

#define CSB_RO		0x8000		
/* Read-Only */


#define CSC_EN		0x0001		
/* Chip-Select Enable */

#define CSC_SIZ_MASK	0x000e		
/* Chip-Select Size */

#define CSC_SIZ_SHIFT   1

#define CSC_WS_MASK	0x0070		
/* Wait State */

#define CSC_WS_SHIFT    4

#define CSC_BSW		0x0080		
/* Data Bus Width */

#define CSC_FLASH	0x0100		
/* FLASH Memory Support */

#define CSC_UPSIZ_MASK	0x1800		
/* Unprotected memory block size */

#define CSC_UPSIZ_SHIFT 11

#define CSC_ROP		0x2000		
/* Readonly if protected */

#define CSC_SOP		0x4000		
/* Supervisor only if protected */

#define CSC_RO		0x8000		
/* Read-Only */


#define CSD_EN		0x0001		
/* Chip-Select Enable */

#define CSD_SIZ_MASK	0x000e		
/* Chip-Select Size */

#define CSD_SIZ_SHIFT   1

#define CSD_WS_MASK	0x0070		
/* Wait State */

#define CSD_WS_SHIFT    4

#define CSD_BSW		0x0080		
/* Data Bus Width */

#define CSD_FLASH	0x0100		
/* FLASH Memory Support */

#define CSD_DRAM	0x0200		
/* Dram Selection */

#define	CSD_COMB	0x0400		
/* Combining */

#define CSD_UPSIZ_MASK	0x1800		
/* Unprotected memory block size */

#define CSD_UPSIZ_SHIFT 11

#define CSD_ROP		0x2000		
/* Readonly if protected */

#define CSD_SOP		0x4000		
/* Supervisor only if protected */

#define CSD_RO		0x8000		
/* Read-Only */

/*
 * Emulation Chip-Select Register 
 */

#define EMUCS_ADDR	0xfffff118

#define EMUCS		WORD_REF(EMUCS_ADDR)


#define EMUCS_WS_MASK	0x0070

#define EMUCS_WS_SHIFT	4

/********** 
 *
 * 0xFFFFF2xx -- Phase Locked Loop (PLL) & Power Control
 *
 **********/

/*
 * PLL Control Register 
 */

#define PLLCR_ADDR	0xfffff200

#define PLLCR		WORD_REF(PLLCR_ADDR)


#define PLLCR_DISPLL	       0x0008	
/* Disable PLL */

#define PLLCR_CLKEN	       0x0010	
/* Clock (CLKO pin) enable */

#define PLLCR_PRESC	       0x0020	
/* VCO prescaler */

#define PLLCR_SYSCLK_SEL_MASK  0x0700	
/* System Clock Selection */

#define PLLCR_SYSCLK_SEL_SHIFT 8

#define PLLCR_LCDCLK_SEL_MASK  0x3800	
/* LCD Clock Selection */

#define PLLCR_LCDCLK_SEL_SHIFT 11

/* '328-compatible definitions */

#define PLLCR_PIXCLK_SEL_MASK	PLLCR_LCDCLK_SEL_MASK

#define PLLCR_PIXCLK_SEL_SHIFT	PLLCR_LCDCLK_SEL_SHIFT

/*
 * PLL Frequency Select Register
 */

#define PLLFSR_ADDR	0xfffff202

#define PLLFSR		WORD_REF(PLLFSR_ADDR)


#define PLLFSR_PC_MASK	0x00ff		
/* P Count */

#define PLLFSR_PC_SHIFT 0

#define PLLFSR_QC_MASK	0x0f00		
/* Q Count */

#define PLLFSR_QC_SHIFT 8

#define PLLFSR_PROT	0x4000		
/* Protect P & Q */

#define PLLFSR_CLK32	0x8000		
/* Clock 32 (kHz) */

/*
 * Power Control Register
 */

#define PCTRL_ADDR	0xfffff207

#define PCTRL		BYTE_REF(PCTRL_ADDR)


#define PCTRL_WIDTH_MASK	0x1f	
/* CPU Clock bursts width */

#define PCTRL_WIDTH_SHIFT	0

#define PCTRL_PCEN		0x80	
/* Power Control Enable */

/**********
 *
 * 0xFFFFF3xx -- Interrupt Controller
 *
 **********/

/* 
 * Interrupt Vector Register
 */

#define IVR_ADDR	0xfffff300

#define IVR		BYTE_REF(IVR_ADDR)


#define IVR_VECTOR_MASK 0xF8

/*
 * Interrupt control Register
 */

#define ICR_ADDR	0xfffff302

#define ICR		WORD_REF(ICR_ADDR)


#define ICR_POL5	0x0080	
/* Polarity Control for IRQ5 */

#define ICR_ET6		0x0100	
/* Edge Trigger Select for IRQ6 */

#define ICR_ET3		0x0200	
/* Edge Trigger Select for IRQ3 */

#define ICR_ET2		0x0400	
/* Edge Trigger Select for IRQ2 */

#define ICR_ET1		0x0800	
/* Edge Trigger Select for IRQ1 */

#define ICR_POL6	0x1000	
/* Polarity Control for IRQ6 */

#define ICR_POL3	0x2000	
/* Polarity Control for IRQ3 */

#define ICR_POL2	0x4000	
/* Polarity Control for IRQ2 */

#define ICR_POL1	0x8000	
/* Polarity Control for IRQ1 */

/*
 * Interrupt Mask Register
 */

#define IMR_ADDR	0xfffff304

#define IMR		LONG_REF(IMR_ADDR)

/*
 * Define the names for bit positions first. This is useful for 
 * request_irq
 */

#define SPI_IRQ_NUM	0	
/* SPI interrupt */

#define TMR_IRQ_NUM	1	
/* Timer interrupt */

#define UART_IRQ_NUM	2	
/* UART interrupt */	

#define	WDT_IRQ_NUM	3	
/* Watchdog Timer interrupt */

#define RTC_IRQ_NUM	4	
/* RTC interrupt */

#define	KB_IRQ_NUM	6	
/* Keyboard Interrupt */

#define PWM_IRQ_NUM	7	
/* Pulse-Width Modulator int. */

#define	INT0_IRQ_NUM	8	
/* External INT0 */

#define	INT1_IRQ_NUM	9	
/* External INT1 */

#define	INT2_IRQ_NUM	10	
/* External INT2 */

#define	INT3_IRQ_NUM	11	
/* External INT3 */

#define IRQ1_IRQ_NUM	16	
/* IRQ1 */

#define IRQ2_IRQ_NUM	17	
/* IRQ2 */

#define IRQ3_IRQ_NUM	18	
/* IRQ3 */

#define IRQ6_IRQ_NUM	19	
/* IRQ6 */

#define IRQ5_IRQ_NUM	20	
/* IRQ5 */

#define SAM_IRQ_NUM	22	
/* Sampling Timer for RTC */

#define EMIQ_IRQ_NUM	23	
/* Emulator Interrupt */

/* '328-compatible definitions */

#define SPIM_IRQ_NUM	SPI_IRQ_NUM

#define TMR1_IRQ_NUM	TMR_IRQ_NUM

/* 
 * Here go the bitmasks themselves
 */

#define IMR_MSPI 	(1 << SPI_IRQ_NUM)	
/* Mask SPI interrupt */

#define	IMR_MTMR	(1 << TMR_IRQ_NUM)	
/* Mask Timer interrupt */

#define IMR_MUART	(1 << UART_IRQ_NUM)	
/* Mask UART interrupt */	

#define	IMR_MWDT	(1 << WDT_IRQ_NUM)	
/* Mask Watchdog Timer interrupt */

#define IMR_MRTC	(1 << RTC_IRQ_NUM)	
/* Mask RTC interrupt */

#define	IMR_MKB		(1 << KB_IRQ_NUM)	
/* Mask Keyboard Interrupt */

#define IMR_MPWM	(1 << PWM_IRQ_NUM)	
/* Mask Pulse-Width Modulator int. */

#define	IMR_MINT0	(1 << INT0_IRQ_NUM)	
/* Mask External INT0 */

#define	IMR_MINT1	(1 << INT1_IRQ_NUM)	
/* Mask External INT1 */

#define	IMR_MINT2	(1 << INT2_IRQ_NUM)	
/* Mask External INT2 */

#define	IMR_MINT3	(1 << INT3_IRQ_NUM)	
/* Mask External INT3 */

#define IMR_MIRQ1	(1 << IRQ1_IRQ_NUM)	
/* Mask IRQ1 */

#define IMR_MIRQ2	(1 << IRQ2_IRQ_NUM)	
/* Mask IRQ2 */

#define IMR_MIRQ3	(1 << IRQ3_IRQ_NUM)	
/* Mask IRQ3 */

#define IMR_MIRQ6	(1 << IRQ6_IRQ_NUM)	
/* Mask IRQ6 */

#define IMR_MIRQ5	(1 << IRQ5_IRQ_NUM)	
/* Mask IRQ5 */

#define IMR_MSAM	(1 << SAM_IRQ_NUM)	
/* Mask Sampling Timer for RTC */

#define IMR_MEMIQ	(1 << EMIQ_IRQ_NUM)	
/* Mask Emulator Interrupt */

/* '328-compatible definitions */

#define IMR_MSPIM	IMR_MSPI

#define IMR_MTMR1	IMR_MTMR

/* 
 * Interrupt Status Register 
 */

#define ISR_ADDR	0xfffff30c

#define ISR		LONG_REF(ISR_ADDR)


#define ISR_SPI 	(1 << SPI_IRQ_NUM)	
/* SPI interrupt */

#define	ISR_TMR		(1 << TMR_IRQ_NUM)	
/* Timer interrupt */

#define ISR_UART	(1 << UART_IRQ_NUM)	
/* UART interrupt */	

#define	ISR_WDT		(1 << WDT_IRQ_NUM)	
/* Watchdog Timer interrupt */

#define ISR_RTC		(1 << RTC_IRQ_NUM)	
/* RTC interrupt */

#define	ISR_KB		(1 << KB_IRQ_NUM)	
/* Keyboard Interrupt */

#define ISR_PWM		(1 << PWM_IRQ_NUM)	
/* Pulse-Width Modulator interrupt */

#define	ISR_INT0	(1 << INT0_IRQ_NUM)	
/* External INT0 */

#define	ISR_INT1	(1 << INT1_IRQ_NUM)	
/* External INT1 */

#define	ISR_INT2	(1 << INT2_IRQ_NUM)	
/* External INT2 */

#define	ISR_INT3	(1 << INT3_IRQ_NUM)	
/* External INT3 */

#define ISR_IRQ1	(1 << IRQ1_IRQ_NUM)	
/* IRQ1 */

#define ISR_IRQ2	(1 << IRQ2_IRQ_NUM)	
/* IRQ2 */

#define ISR_IRQ3	(1 << IRQ3_IRQ_NUM)	
/* IRQ3 */

#define ISR_IRQ6	(1 << IRQ6_IRQ_NUM)	
/* IRQ6 */

#define ISR_IRQ5	(1 << IRQ5_IRQ_NUM)	
/* IRQ5 */

#define ISR_SAM		(1 << SAM_IRQ_NUM)	
/* Sampling Timer for RTC */

#define ISR_EMIQ	(1 << EMIQ_IRQ_NUM)	
/* Emulator Interrupt */

/* '328-compatible definitions */

#define ISR_SPIM	ISR_SPI

#define ISR_TMR1	ISR_TMR

/* 
 * Interrupt Pending Register 
 */

#define IPR_ADDR	0xfffff30c

#define IPR		LONG_REF(IPR_ADDR)


#define IPR_SPI 	(1 << SPI_IRQ_NUM)	
/* SPI interrupt */

#define	IPR_TMR		(1 << TMR_IRQ_NUM)	
/* Timer interrupt */

#define IPR_UART	(1 << UART_IRQ_NUM)	
/* UART interrupt */	

#define	IPR_WDT		(1 << WDT_IRQ_NUM)	
/* Watchdog Timer interrupt */

#define IPR_RTC		(1 << RTC_IRQ_NUM)	
/* RTC interrupt */

#define	IPR_KB		(1 << KB_IRQ_NUM)	
/* Keyboard Interrupt */

#define IPR_PWM		(1 << PWM_IRQ_NUM)	
/* Pulse-Width Modulator interrupt */

#define	IPR_INT0	(1 << INT0_IRQ_NUM)	
/* External INT0 */

#define	IPR_INT1	(1 << INT1_IRQ_NUM)	
/* External INT1 */

#define	IPR_INT2	(1 << INT2_IRQ_NUM)	
/* External INT2 */

#define	IPR_INT3	(1 << INT3_IRQ_NUM)	
/* External INT3 */

#define IPR_IRQ1	(1 << IRQ1_IRQ_NUM)	
/* IRQ1 */

#define IPR_IRQ2	(1 << IRQ2_IRQ_NUM)	
/* IRQ2 */

#define IPR_IRQ3	(1 << IRQ3_IRQ_NUM)	
/* IRQ3 */

#define IPR_IRQ6	(1 << IRQ6_IRQ_NUM)	
/* IRQ6 */

#define IPR_IRQ5	(1 << IRQ5_IRQ_NUM)	
/* IRQ5 */

#define IPR_SAM		(1 << SAM_IRQ_NUM)	
/* Sampling Timer for RTC */

#define IPR_EMIQ	(1 << EMIQ_IRQ_NUM)	
/* Emulator Interrupt */

/* '328-compatible definitions */

#define IPR_SPIM	IPR_SPI

#define IPR_TMR1	IPR_TMR

/**********
 *
 * 0xFFFFF4xx -- Parallel Ports
 *
 **********/

/*
 * Port A
 */

#define PADIR_ADDR	0xfffff400		
/* Port A direction reg */

#define PADATA_ADDR	0xfffff401		
/* Port A data register */

#define PAPUEN_ADDR	0xfffff402		
/* Port A Pull-Up enable reg */


#define PADIR		BYTE_REF(PADIR_ADDR)

#define PADATA		BYTE_REF(PADATA_ADDR)

#define PAPUEN		BYTE_REF(PAPUEN_ADDR)


#define PA(x)		(1 << (x))

/* 
 * Port B
 */

#define PBDIR_ADDR	0xfffff408		
/* Port B direction reg */

#define PBDATA_ADDR	0xfffff409		
/* Port B data register */

#define PBPUEN_ADDR	0xfffff40a		
/* Port B Pull-Up enable reg */

#define PBSEL_ADDR	0xfffff40b		
/* Port B Select Register */


#define PBDIR		BYTE_REF(PBDIR_ADDR)

#define PBDATA		BYTE_REF(PBDATA_ADDR)

#define PBPUEN		BYTE_REF(PBPUEN_ADDR)

#define PBSEL		BYTE_REF(PBSEL_ADDR)


#define PB(x)		(1 << (x))


#define PB_CSB0		0x01	
/* Use CSB0      as PB[0] */

#define PB_CSB1		0x02	
/* Use CSB1      as PB[1] */

#define PB_CSC0_RAS0	0x04    
/* Use CSC0/RAS0 as PB[2] */	

#define PB_CSC1_RAS1	0x08    
/* Use CSC1/RAS1 as PB[3] */	

#define PB_CSD0_CAS0	0x10    
/* Use CSD0/CAS0 as PB[4] */	

#define PB_CSD1_CAS1	0x20    
/* Use CSD1/CAS1 as PB[5] */

#define PB_TIN_TOUT	0x40	
/* Use TIN/TOUT  as PB[6] */

#define PB_PWMO		0x80	
/* Use PWMO      as PB[7] */

/* 
 * Port C
 */

#define PCDIR_ADDR	0xfffff410		
/* Port C direction reg */

#define PCDATA_ADDR	0xfffff411		
/* Port C data register */

#define PCPDEN_ADDR	0xfffff412		
/* Port C Pull-Down enb. reg */

#define PCSEL_ADDR	0xfffff413		
/* Port C Select Register */


#define PCDIR		BYTE_REF(PCDIR_ADDR)

#define PCDATA		BYTE_REF(PCDATA_ADDR)

#define PCPDEN		BYTE_REF(PCPDEN_ADDR)

#define PCSEL		BYTE_REF(PCSEL_ADDR)


#define PC(x)		(1 << (x))


#define PC_LD0		0x01	
/* Use LD0  as PC[0] */

#define PC_LD1		0x02	
/* Use LD1  as PC[1] */

#define PC_LD2		0x04	
/* Use LD2  as PC[2] */

#define PC_LD3		0x08	
/* Use LD3  as PC[3] */

#define PC_LFLM		0x10	
/* Use LFLM as PC[4] */

#define PC_LLP 		0x20	
/* Use LLP  as PC[5] */

#define PC_LCLK		0x40	
/* Use LCLK as PC[6] */

#define PC_LACD		0x80	
/* Use LACD as PC[7] */

/* 
 * Port D
 */

#define PDDIR_ADDR	0xfffff418		
/* Port D direction reg */

#define PDDATA_ADDR	0xfffff419		
/* Port D data register */

#define PDPUEN_ADDR	0xfffff41a		
/* Port D Pull-Up enable reg */

#define PDSEL_ADDR	0xfffff41b		
/* Port D Select Register */

#define PDPOL_ADDR	0xfffff41c		
/* Port D Polarity Register */

#define PDIRQEN_ADDR	0xfffff41d		
/* Port D IRQ enable register */

#define PDKBEN_ADDR	0xfffff41e		
/* Port D Keyboard Enable reg */

#define	PDIQEG_ADDR	0xfffff41f		
/* Port D IRQ Edge Register */


#define PDDIR		BYTE_REF(PDDIR_ADDR)

#define PDDATA		BYTE_REF(PDDATA_ADDR)

#define PDPUEN		BYTE_REF(PDPUEN_ADDR)

#define PDSEL		BYTE_REF(PDSEL_ADDR)

#define	PDPOL		BYTE_REF(PDPOL_ADDR)

#define PDIRQEN		BYTE_REF(PDIRQEN_ADDR)

#define PDKBEN		BYTE_REF(PDKBEN_ADDR)

#define PDIQEG		BYTE_REF(PDIQEG_ADDR)


#define PD(x)		(1 << (x))


#define PD_INT0		0x01	
/* Use INT0 as PD[0] */

#define PD_INT1		0x02	
/* Use INT1 as PD[1] */

#define PD_INT2		0x04	
/* Use INT2 as PD[2] */

#define PD_INT3		0x08	
/* Use INT3 as PD[3] */

#define PD_IRQ1		0x10	
/* Use IRQ1 as PD[4] */

#define PD_IRQ2		0x20	
/* Use IRQ2 as PD[5] */

#define PD_IRQ3		0x40	
/* Use IRQ3 as PD[6] */

#define PD_IRQ6		0x80	
/* Use IRQ6 as PD[7] */

/* 
 * Port E
 */

#define PEDIR_ADDR	0xfffff420		
/* Port E direction reg */

#define PEDATA_ADDR	0xfffff421		
/* Port E data register */

#define PEPUEN_ADDR	0xfffff422		
/* Port E Pull-Up enable reg */

#define PESEL_ADDR	0xfffff423		
/* Port E Select Register */


#define PEDIR		BYTE_REF(PEDIR_ADDR)

#define PEDATA		BYTE_REF(PEDATA_ADDR)

#define PEPUEN		BYTE_REF(PEPUEN_ADDR)

#define PESEL		BYTE_REF(PESEL_ADDR)


#define PE(x)		(1 << (x))


#define PE_SPMTXD	0x01	
/* Use SPMTXD as PE[0] */

#define PE_SPMRXD	0x02	
/* Use SPMRXD as PE[1] */

#define PE_SPMCLK	0x04	
/* Use SPMCLK as PE[2] */

#define PE_DWE		0x08	
/* Use DWE    as PE[3] */

#define PE_RXD		0x10	
/* Use RXD    as PE[4] */

#define PE_TXD		0x20	
/* Use TXD    as PE[5] */

#define PE_RTS		0x40	
/* Use RTS    as PE[6] */

#define PE_CTS		0x80	
/* Use CTS    as PE[7] */

/* 
 * Port F
 */

#define PFDIR_ADDR	0xfffff428		
/* Port F direction reg */

#define PFDATA_ADDR	0xfffff429		
/* Port F data register */

#define PFPUEN_ADDR	0xfffff42a		
/* Port F Pull-Up enable reg */

#define PFSEL_ADDR	0xfffff42b		
/* Port F Select Register */


#define PFDIR		BYTE_REF(PFDIR_ADDR)

#define PFDATA		BYTE_REF(PFDATA_ADDR)

#define PFPUEN		BYTE_REF(PFPUEN_ADDR)

#define PFSEL		BYTE_REF(PFSEL_ADDR)


#define PF(x)		(1 << (x))


#define PF_LCONTRAST	0x01	
/* Use LCONTRAST as PF[0] */

#define PF_IRQ5         0x02    
/* Use IRQ5      as PF[1] */

#define PF_CLKO         0x04    
/* Use CLKO      as PF[2] */

#define PF_A20          0x08    
/* Use A20       as PF[3] */

#define PF_A21          0x10    
/* Use A21       as PF[4] */

#define PF_A22          0x20    
/* Use A22       as PF[5] */

#define PF_A23          0x40    
/* Use A23       as PF[6] */

#define PF_CSA1		0x80    
/* Use CSA1      as PF[7] */

/* 
 * Port G
 */

#define PGDIR_ADDR	0xfffff430		
/* Port G direction reg */

#define PGDATA_ADDR	0xfffff431		
/* Port G data register */

#define PGPUEN_ADDR	0xfffff432		
/* Port G Pull-Up enable reg */

#define PGSEL_ADDR	0xfffff433		
/* Port G Select Register */


#define PGDIR		BYTE_REF(PGDIR_ADDR)

#define PGDATA		BYTE_REF(PGDATA_ADDR)

#define PGPUEN		BYTE_REF(PGPUEN_ADDR)

#define PGSEL		BYTE_REF(PGSEL_ADDR)


#define PG(x)		(1 << (x))


#define PG_BUSW_DTACK	0x01	
/* Use BUSW/DTACK as PG[0] */

#define PG_A0		0x02	
/* Use A0         as PG[1] */

#define PG_EMUIRQ	0x04	
/* Use EMUIRQ     as PG[2] */

#define PG_HIZ_P_D	0x08	
/* Use HIZ/P/D    as PG[3] */

#define PG_EMUCS        0x10	
/* Use EMUCS      as PG[4] */

#define PG_EMUBRK	0x20	
/* Use EMUBRK     as PG[5] */

/**********
 *
 * 0xFFFFF5xx -- Pulse-Width Modulator (PWM)
 *
 **********/

/*
 * PWM Control Register 
 */

#define PWMC_ADDR	0xfffff500

#define PWMC		WORD_REF(PWMC_ADDR)


#define PWMC_CLKSEL_MASK	0x0003	
/* Clock Selection */

#define PWMC_CLKSEL_SHIFT	0

#define PWMC_REPEAT_MASK	0x000c	
/* Sample Repeats */

#define PWMC_REPEAT_SHIFT	2

#define PWMC_EN			0x0010	
/* Enable PWM */

#define PMNC_FIFOAV		0x0020	
/* FIFO Available */

#define PWMC_IRQEN		0x0040	
/* Interrupt Request Enable */

#define PWMC_IRQ		0x0080	
/* Interrupt Request (FIFO empty) */

#define PWMC_PRESCALER_MASK	0x7f00	
/* Incoming Clock prescaler */

#define PWMC_PRESCALER_SHIFT	8

#define PWMC_CLKSRC		0x8000	
/* Clock Source Select */

/* '328-compatible definitions */

#define PWMC_PWMEN	PWMC_EN

/*
 * PWM Sample Register 
 */

#define PWMS_ADDR	0xfffff502

#define PWMS		WORD_REF(PWMS_ADDR)

/*
 * PWM Period Register
 */

#define PWMP_ADDR	0xfffff504

#define PWMP		BYTE_REF(PWMP_ADDR)

/*
 * PWM Counter Register
 */

#define PWMCNT_ADDR	0xfffff505

#define PWMCNT		BYTE_REF(PWMCNT_ADDR)

/**********
 *
 * 0xFFFFF6xx -- General-Purpose Timer
 *
 **********/

/* 
 * Timer Control register
 */

#define TCTL_ADDR	0xfffff600

#define TCTL		WORD_REF(TCTL_ADDR)


#define	TCTL_TEN		0x0001	
/* Timer Enable  */

#define TCTL_CLKSOURCE_MASK 	0x000e	
/* Clock Source: */

#define   TCTL_CLKSOURCE_STOP	   0x0000	
/* Stop count (disabled)    */

#define   TCTL_CLKSOURCE_SYSCLK	   0x0002	
/* SYSCLK to prescaler      */

#define   TCTL_CLKSOURCE_SYSCLK_16 0x0004	
/* SYSCLK/16 to prescaler   */

#define   TCTL_CLKSOURCE_TIN	   0x0006	
/* TIN to prescaler         */

#define   TCTL_CLKSOURCE_32KHZ	   0x0008	
/* 32kHz clock to prescaler */

#define TCTL_IRQEN		0x0010	
/* IRQ Enable    */

#define TCTL_OM			0x0020	
/* Output Mode   */

#define TCTL_CAP_MASK		0x00c0	
/* Capture Edge: */

#define	  TCTL_CAP_RE		0x0040		
/* Capture on rizing edge   */

#define   TCTL_CAP_FE		0x0080		
/* Capture on falling edge  */

#define TCTL_FRR		0x0010	
/* Free-Run Mode */

/* '328-compatible definitions */

#define TCTL1_ADDR	TCTL_ADDR

#define TCTL1		TCTL

/*
 * Timer Prescaler Register
 */

#define TPRER_ADDR	0xfffff602

#define TPRER		WORD_REF(TPRER_ADDR)

/* '328-compatible definitions */

#define TPRER1_ADDR	TPRER_ADDR

#define TPRER1		TPRER

/*
 * Timer Compare Register
 */

#define TCMP_ADDR	0xfffff604

#define TCMP		WORD_REF(TCMP_ADDR)

/* '328-compatible definitions */

#define TCMP1_ADDR	TCMP_ADDR

#define TCMP1		TCMP

/*
 * Timer Capture register
 */

#define TCR_ADDR	0xfffff606

#define TCR		WORD_REF(TCR_ADDR)

/* '328-compatible definitions */

#define TCR1_ADDR	TCR_ADDR

#define TCR1		TCR

/*
 * Timer Counter Register
 */

#define TCN_ADDR	0xfffff608

#define TCN		WORD_REF(TCN_ADDR)

/* '328-compatible definitions */

#define TCN1_ADDR	TCN_ADDR

#define TCN1		TCN

/*
 * Timer Status Register
 */

#define TSTAT_ADDR	0xfffff60a

#define TSTAT		WORD_REF(TSTAT_ADDR)


#define TSTAT_COMP	0x0001		
/* Compare Event occurred */

#define TSTAT_CAPT	0x0001		
/* Capture Event occurred */

/* '328-compatible definitions */

#define TSTAT1_ADDR	TSTAT_ADDR

#define TSTAT1		TSTAT

/**********
 *
 * 0xFFFFF8xx -- Serial Peripheral Interface Master (SPIM)
 *
 **********/

/*
 * SPIM Data Register
 */

#define SPIMDATA_ADDR	0xfffff800

#define SPIMDATA	WORD_REF(SPIMDATA_ADDR)

/*
 * SPIM Control/Status Register
 */

#define SPIMCONT_ADDR	0xfffff802

#define SPIMCONT	WORD_REF(SPIMCONT_ADDR)


#define SPIMCONT_BIT_COUNT_MASK	 0x000f	
/* Transfer Length in Bytes */

#define SPIMCONT_BIT_COUNT_SHIFT 0

#define SPIMCONT_POL		 0x0010	
/* SPMCLK Signel Polarity */

#define	SPIMCONT_PHA		 0x0020	
/* Clock/Data phase relationship */

#define SPIMCONT_IRQEN		 0x0040 
/* IRQ Enable */

#define SPIMCONT_IRQ		 0x0080	
/* Interrupt Request */

#define SPIMCONT_XCH		 0x0100	
/* Exchange */

#define SPIMCONT_ENABLE		 0x0200	
/* Enable SPIM */

#define SPIMCONT_DATA_RATE_MASK	 0xe000	
/* SPIM Data Rate */

#define SPIMCONT_DATA_RATE_SHIFT 13

/* '328-compatible definitions */

#define SPIMCONT_SPIMIRQ	SPIMCONT_IRQ

#define SPIMCONT_SPIMEN		SPIMCONT_ENABLE

/**********
 *
 * 0xFFFFF9xx -- UART
 *
 **********/

/*
 * UART Status/Control Register
 */

#define USTCNT_ADDR	0xfffff900

#define USTCNT		WORD_REF(USTCNT_ADDR)


#define USTCNT_TXAE	0x0001	
/* Transmitter Available Interrupt Enable */

#define USTCNT_TXHE	0x0002	
/* Transmitter Half Empty Enable */

#define USTCNT_TXEE	0x0004	
/* Transmitter Empty Interrupt Enable */

#define USTCNT_RXRE	0x0008	
/* Receiver Ready Interrupt Enable */

#define USTCNT_RXHE	0x0010	
/* Receiver Half-Full Interrupt Enable */

#define USTCNT_RXFE	0x0020	
/* Receiver Full Interrupt Enable */

#define USTCNT_CTSD	0x0040	
/* CTS Delta Interrupt Enable */

#define USTCNT_ODEN	0x0080	
/* Old Data Interrupt Enable */

#define USTCNT_8_7	0x0100	
/* Eight or seven-bit transmission */

#define USTCNT_STOP	0x0200	
/* Stop bit transmission */

#define USTCNT_ODD	0x0400	
/* Odd Parity */

#define	USTCNT_PEN	0x0800	
/* Parity Enable */

#define USTCNT_CLKM	0x1000	
/* Clock Mode Select */

#define	USTCNT_TXEN	0x2000	
/* Transmitter Enable */

#define USTCNT_RXEN	0x4000	
/* Receiver Enable */

#define USTCNT_UEN	0x8000	
/* UART Enable */

/* '328-compatible definitions */

#define USTCNT_TXAVAILEN	USTCNT_TXAE

#define USTCNT_TXHALFEN		USTCNT_TXHE

#define USTCNT_TXEMPTYEN	USTCNT_TXEE

#define USTCNT_RXREADYEN	USTCNT_RXRE

#define USTCNT_RXHALFEN		USTCNT_RXHE

#define USTCNT_RXFULLEN		USTCNT_RXFE

#define USTCNT_CTSDELTAEN	USTCNT_CTSD

#define USTCNT_ODD_EVEN		USTCNT_ODD

#define USTCNT_PARITYEN		USTCNT_PEN

#define USTCNT_CLKMODE		USTCNT_CLKM

#define USTCNT_UARTEN		USTCNT_UEN

/*
 * UART Baud Control Register
 */

#define UBAUD_ADDR	0xfffff902

#define UBAUD		WORD_REF(UBAUD_ADDR)


#define UBAUD_PRESCALER_MASK	0x003f	
/* Actual divisor is 65 - PRESCALER */

#define UBAUD_PRESCALER_SHIFT	0

#define UBAUD_DIVIDE_MASK	0x0700	
/* Baud Rate freq. divisor */

#define UBAUD_DIVIDE_SHIFT	8

#define UBAUD_BAUD_SRC		0x0800	
/* Baud Rate Source */

#define UBAUD_UCLKDIR		0x2000	
/* UCLK Direction */

/*
 * UART Receiver Register 
 */

#define URX_ADDR	0xfffff904

#define URX		WORD_REF(URX_ADDR)


#define URX_RXDATA_ADDR	0xfffff905

#define URX_RXDATA	BYTE_REF(URX_RXDATA_ADDR)


#define URX_RXDATA_MASK	 0x00ff	
/* Received data */

#define URX_RXDATA_SHIFT 0

#define URX_PARITY_ERROR 0x0100	
/* Parity Error */

#define URX_BREAK	 0x0200	
/* Break Detected */

#define URX_FRAME_ERROR	 0x0400	
/* Framing Error */

#define URX_OVRUN	 0x0800	
/* Serial Overrun */

#define URX_OLD_DATA	 0x1000	
/* Old data in FIFO */

#define URX_DATA_READY	 0x2000	
/* Data Ready (FIFO not empty) */

#define URX_FIFO_HALF	 0x4000 
/* FIFO is Half-Full */

#define URX_FIFO_FULL	 0x8000	
/* FIFO is Full */

/*
 * UART Transmitter Register 
 */

#define UTX_ADDR	0xfffff906

#define UTX		WORD_REF(UTX_ADDR)


#define UTX_TXDATA_ADDR	0xfffff907

#define UTX_TXDATA	BYTE_REF(UTX_TXDATA_ADDR)


#define UTX_TXDATA_MASK	 0x00ff	
/* Data to be transmitted */

#define UTX_TXDATA_SHIFT 0

#define UTX_CTS_DELTA	 0x0100	
/* CTS changed */

#define UTX_CTS_STAT	 0x0200	
/* CTS State */

#define	UTX_BUSY	 0x0400	
/* FIFO is busy, sending a character */

#define	UTX_NOCTS	 0x0800	
/* Ignore CTS */

#define UTX_SEND_BREAK	 0x1000	
/* Send a BREAK */

#define UTX_TX_AVAIL	 0x2000	
/* Transmit FIFO has a slot available */

#define UTX_FIFO_HALF	 0x4000	
/* Transmit FIFO is half empty */

#define UTX_FIFO_EMPTY	 0x8000	
/* Transmit FIFO is empty */

/* '328-compatible definitions */

#define UTX_CTS_STATUS	UTX_CTS_STAT

#define UTX_IGNORE_CTS	UTX_NOCTS

/*
 * UART Miscellaneous Register 
 */

#define UMISC_ADDR	0xfffff908

#define UMISC		WORD_REF(UMISC_ADDR)


#define UMISC_TX_POL	 0x0004	
/* Transmit Polarity */

#define UMISC_RX_POL	 0x0008	
/* Receive Polarity */

#define UMISC_IRDA_LOOP	 0x0010	
/* IrDA Loopback Enable */

#define UMISC_IRDA_EN	 0x0020	
/* Infra-Red Enable */

#define UMISC_RTS	 0x0040	
/* Set RTS status */

#define UMISC_RTSCONT	 0x0080	
/* Choose RTS control */

#define UMISC_IR_TEST	 0x0400	
/* IRDA Test Enable */

#define UMISC_BAUD_RESET 0x0800	
/* Reset Baud Rate Generation Counters */

#define UMISC_LOOP	 0x1000	
/* Serial Loopback Enable */

#define UMISC_FORCE_PERR 0x2000	
/* Force Parity Error */

#define UMISC_CLKSRC	 0x4000	
/* Clock Source */

#define UMISC_BAUD_TEST	 0x8000	
/* Enable Baud Test Mode */

/* 
 * UART Non-integer Prescaler Register
 */

#define NIPR_ADDR	0xfffff90a

#define NIPR		WORD_REF(NIPR_ADDR)


#define NIPR_STEP_VALUE_MASK	0x00ff	
/* NI prescaler step value */

#define NIPR_STEP_VALUE_SHIFT	0

#define NIPR_SELECT_MASK	0x0700	
/* Tap Selection */

#define NIPR_SELECT_SHIFT	8

#define NIPR_PRE_SEL		0x8000	
/* Non-integer prescaler select */


/* generalization of uart control registers to support multiple ports: */
typedef volatile struct {
  
volatile unsigned short int ustcnt;
  
volatile unsigned short int ubaud;
  union {
    
volatile unsigned short int w;
    struct {
      
volatile unsigned char status;
      
volatile unsigned char rxdata;
    
} b;
  
} urx;
  union {
    
volatile unsigned short int w;
    struct {
      
volatile unsigned char status;
      
volatile unsigned char txdata;
    
} b;
  
} utx;
  
volatile unsigned short int umisc;
  
volatile unsigned short int nipr;
  
volatile unsigned short int pad1;
  
volatile unsigned short int pad2;

} __packed m68328_uart;


/**********
 *
 * 0xFFFFFAxx -- LCD Controller
 *
 **********/

/*
 * LCD Screen Starting Address Register 
 */

#define LSSA_ADDR	0xfffffa00

#define LSSA		LONG_REF(LSSA_ADDR)


#define LSSA_SSA_MASK	0x1ffffffe	
/* Bits 0 and 29-31 are reserved */

/*
 * LCD Virtual Page Width Register 
 */

#define LVPW_ADDR	0xfffffa05

#define LVPW		BYTE_REF(LVPW_ADDR)

/*
 * LCD Screen Width Register (not compatible with '328 !!!) 
 */

#define LXMAX_ADDR	0xfffffa08

#define LXMAX		WORD_REF(LXMAX_ADDR)


#define LXMAX_XM_MASK	0x02f0		
/* Bits 0-3 and 10-15 are reserved */

/*
 * LCD Screen Height Register
 */

#define LYMAX_ADDR	0xfffffa0a

#define LYMAX		WORD_REF(LYMAX_ADDR)


#define LYMAX_YM_MASK	0x01ff		
/* Bits 9-15 are reserved */

/*
 * LCD Cursor X Position Register
 */

#define LCXP_ADDR	0xfffffa18

#define LCXP		WORD_REF(LCXP_ADDR)


#define LCXP_CC_MASK	0xc000		
/* Cursor Control */

#define   LCXP_CC_TRAMSPARENT	0x0000

#define   LCXP_CC_BLACK		0x4000

#define   LCXP_CC_REVERSED	0x8000

#define   LCXP_CC_WHITE		0xc000

#define LCXP_CXP_MASK	0x02ff		
/* Cursor X position */

/*
 * LCD Cursor Y Position Register
 */

#define LCYP_ADDR	0xfffffa1a

#define LCYP		WORD_REF(LCYP_ADDR)


#define LCYP_CYP_MASK	0x01ff		
/* Cursor Y Position */

/*
 * LCD Cursor Width and Heigth Register
 */

#define LCWCH_ADDR	0xfffffa1c

#define LCWCH		WORD_REF(LCWCH_ADDR)


#define LCWCH_CH_MASK	0x001f		
/* Cursor Height */

#define LCWCH_CH_SHIFT	0

#define LCWCH_CW_MASK	0x1f00		
/* Cursor Width */

#define LCWCH_CW_SHIFT	8

/*
 * LCD Blink Control Register
 */

#define LBLKC_ADDR	0xfffffa1f

#define LBLKC		BYTE_REF(LBLKC_ADDR)


#define LBLKC_BD_MASK	0x7f	
/* Blink Divisor */

#define LBLKC_BD_SHIFT	0

#define LBLKC_BKEN	0x80	
/* Blink Enabled */

/*
 * LCD Panel Interface Configuration Register 
 */

#define LPICF_ADDR	0xfffffa20

#define LPICF		BYTE_REF(LPICF_ADDR)


#define LPICF_GS_MASK	 0x03	 
/* Gray-Scale Mode */

#define	  LPICF_GS_BW	   0x00

#define   LPICF_GS_GRAY_4  0x01

#define   LPICF_GS_GRAY_16 0x02

#define LPICF_PBSIZ_MASK 0x0c	
/* Panel Bus Width */

#define   LPICF_PBSIZ_1	   0x00

#define   LPICF_PBSIZ_2    0x04

#define   LPICF_PBSIZ_4    0x08

/*
 * LCD Polarity Configuration Register 
 */

#define LPOLCF_ADDR	0xfffffa21

#define LPOLCF		BYTE_REF(LPOLCF_ADDR)


#define LPOLCF_PIXPOL	0x01	
/* Pixel Polarity */

#define LPOLCF_LPPOL	0x02	
/* Line Pulse Polarity */

#define LPOLCF_FLMPOL	0x04	
/* Frame Marker Polarity */

#define LPOLCF_LCKPOL	0x08	
/* LCD Shift Lock Polarity */

/*
 * LACD (LCD Alternate Crystal Direction) Rate Control Register
 */

#define LACDRC_ADDR	0xfffffa23

#define LACDRC		BYTE_REF(LACDRC_ADDR)


#define LACDRC_ACDSLT	 0x80	
/* Signal Source Select */

#define LACDRC_ACD_MASK	 0x0f	
/* Alternate Crystal Direction Control */

#define LACDRC_ACD_SHIFT 0

/*
 * LCD Pixel Clock Divider Register
 */

#define LPXCD_ADDR	0xfffffa25

#define LPXCD		BYTE_REF(LPXCD_ADDR)


#define	LPXCD_PCD_MASK	0x3f 	
/* Pixel Clock Divider */

#define LPXCD_PCD_SHIFT	0

/*
 * LCD Clocking Control Register
 */

#define LCKCON_ADDR	0xfffffa27

#define LCKCON		BYTE_REF(LCKCON_ADDR)


#define LCKCON_DWS_MASK	 0x0f	
/* Display Wait-State */

#define LCKCON_DWS_SHIFT 0

#define LCKCON_DWIDTH	 0x40	
/* Display Memory Width  */

#define LCKCON_LCDON	 0x80	
/* Enable LCD Controller */

/* '328-compatible definitions */

#define LCKCON_DW_MASK  LCKCON_DWS_MASK

#define LCKCON_DW_SHIFT LCKCON_DWS_SHIFT
 
/*
 * LCD Refresh Rate Adjustment Register 
 */

#define LRRA_ADDR	0xfffffa29

#define LRRA		BYTE_REF(LRRA_ADDR)

/*
 * LCD Panning Offset Register
 */

#define LPOSR_ADDR	0xfffffa2d

#define LPOSR		BYTE_REF(LPOSR_ADDR)


#define LPOSR_POS_MASK	0x0f	
/* Pixel Offset Code */

#define LPOSR_POS_SHIFT	0

/*
 * LCD Frame Rate Control Modulation Register
 */

#define LFRCM_ADDR	0xfffffa31

#define LFRCM		BYTE_REF(LFRCM_ADDR)


#define LFRCM_YMOD_MASK	 0x0f	
/* Vertical Modulation */

#define LFRCM_YMOD_SHIFT 0

#define LFRCM_XMOD_MASK	 0xf0	
/* Horizontal Modulation */

#define LFRCM_XMOD_SHIFT 4

/*
 * LCD Gray Palette Mapping Register
 */

#define LGPMR_ADDR	0xfffffa33

#define LGPMR		BYTE_REF(LGPMR_ADDR)


#define LGPMR_G1_MASK	0x0f

#define LGPMR_G1_SHIFT	0

#define LGPMR_G2_MASK	0xf0

#define LGPMR_G2_SHIFT	4

/* 
 * PWM Contrast Control Register
 */

#define PWMR_ADDR	0xfffffa36

#define PWMR		WORD_REF(PWMR_ADDR)


#define PWMR_PW_MASK	0x00ff	
/* Pulse Width */

#define PWMR_PW_SHIFT	0

#define PWMR_CCPEN	0x0100	
/* Contrast Control Enable */

#define PWMR_SRC_MASK	0x0600	
/* Input Clock Source */

#define   PWMR_SRC_LINE	  0x0000	
/* Line Pulse  */

#define   PWMR_SRC_PIXEL  0x0200	
/* Pixel Clock */

#define   PWMR_SRC_LCD    0x4000	
/* LCD clock   */

/**********
 *
 * 0xFFFFFBxx -- Real-Time Clock (RTC)
 *
 **********/

/*
 * RTC Hours Minutes and Seconds Register
 */

#define RTCTIME_ADDR	0xfffffb00

#define RTCTIME		LONG_REF(RTCTIME_ADDR)


#define RTCTIME_SECONDS_MASK	0x0000003f	
/* Seconds */

#define RTCTIME_SECONDS_SHIFT	0

#define RTCTIME_MINUTES_MASK	0x003f0000	
/* Minutes */

#define RTCTIME_MINUTES_SHIFT	16

#define RTCTIME_HOURS_MASK	0x1f000000	
/* Hours */

#define RTCTIME_HOURS_SHIFT	24

/*
 *  RTC Alarm Register 
 */

#define RTCALRM_ADDR    0xfffffb04

#define RTCALRM         LONG_REF(RTCALRM_ADDR)


#define RTCALRM_SECONDS_MASK    0x0000003f      
/* Seconds */

#define RTCALRM_SECONDS_SHIFT   0

#define RTCALRM_MINUTES_MASK    0x003f0000      
/* Minutes */

#define RTCALRM_MINUTES_SHIFT   16

#define RTCALRM_HOURS_MASK      0x1f000000      
/* Hours */

#define RTCALRM_HOURS_SHIFT     24

/*
 * Watchdog Timer Register 
 */

#define WATCHDOG_ADDR	0xfffffb0a

#define WATCHDOG	WORD_REF(WATCHDOG_ADDR)


#define WATCHDOG_EN	0x0001	
/* Watchdog Enabled */

#define WATCHDOG_ISEL	0x0002	
/* Select the watchdog interrupt */

#define WATCHDOG_INTF	0x0080	
/* Watchdog interrupt occurred */

#define WATCHDOG_CNT_MASK  0x0300	
/* Watchdog Counter */

#define WATCHDOG_CNT_SHIFT 8

/*
 * RTC Control Register
 */

#define RTCCTL_ADDR	0xfffffb0c

#define RTCCTL		WORD_REF(RTCCTL_ADDR)


#define RTCCTL_XTL	0x0020	
/* Crystal Selection */

#define RTCCTL_EN	0x0080	
/* RTC Enable */

/* '328-compatible definitions */

#define RTCCTL_384	RTCCTL_XTL

#define RTCCTL_ENABLE	RTCCTL_EN

/*
 * RTC Interrupt Status Register 
 */

#define RTCISR_ADDR	0xfffffb0e

#define RTCISR		WORD_REF(RTCISR_ADDR)


#define RTCISR_SW	0x0001	
/* Stopwatch timed out */

#define RTCISR_MIN	0x0002	
/* 1-minute interrupt has occurred */

#define RTCISR_ALM	0x0004	
/* Alarm interrupt has occurred */

#define RTCISR_DAY	0x0008	
/* 24-hour rollover interrupt has occurred */

#define RTCISR_1HZ	0x0010	
/* 1Hz interrupt has occurred */

#define RTCISR_HR	0x0020	
/* 1-hour interrupt has occurred */

#define RTCISR_SAM0	0x0100	
/*   4Hz /   4.6875Hz interrupt has occurred */ 

#define RTCISR_SAM1	0x0200	
/*   8Hz /   9.3750Hz interrupt has occurred */ 

#define RTCISR_SAM2	0x0400	
/*  16Hz /  18.7500Hz interrupt has occurred */ 

#define RTCISR_SAM3	0x0800	
/*  32Hz /  37.5000Hz interrupt has occurred */ 

#define RTCISR_SAM4	0x1000	
/*  64Hz /  75.0000Hz interrupt has occurred */ 

#define RTCISR_SAM5	0x2000	
/* 128Hz / 150.0000Hz interrupt has occurred */ 

#define RTCISR_SAM6	0x4000	
/* 256Hz / 300.0000Hz interrupt has occurred */ 

#define RTCISR_SAM7	0x8000	
/* 512Hz / 600.0000Hz interrupt has occurred */ 

/*
 * RTC Interrupt Enable Register
 */

#define RTCIENR_ADDR	0xfffffb10

#define RTCIENR		WORD_REF(RTCIENR_ADDR)


#define RTCIENR_SW	0x0001	
/* Stopwatch interrupt enable */

#define RTCIENR_MIN	0x0002	
/* 1-minute interrupt enable */

#define RTCIENR_ALM	0x0004	
/* Alarm interrupt enable */

#define RTCIENR_DAY	0x0008	
/* 24-hour rollover interrupt enable */

#define RTCIENR_1HZ	0x0010	
/* 1Hz interrupt enable */

#define RTCIENR_HR	0x0020	
/* 1-hour interrupt enable */

#define RTCIENR_SAM0	0x0100	
/*   4Hz /   4.6875Hz interrupt enable */ 

#define RTCIENR_SAM1	0x0200	
/*   8Hz /   9.3750Hz interrupt enable */ 

#define RTCIENR_SAM2	0x0400	
/*  16Hz /  18.7500Hz interrupt enable */ 

#define RTCIENR_SAM3	0x0800	
/*  32Hz /  37.5000Hz interrupt enable */ 

#define RTCIENR_SAM4	0x1000	
/*  64Hz /  75.0000Hz interrupt enable */ 

#define RTCIENR_SAM5	0x2000	
/* 128Hz / 150.0000Hz interrupt enable */ 

#define RTCIENR_SAM6	0x4000	
/* 256Hz / 300.0000Hz interrupt enable */ 

#define RTCIENR_SAM7	0x8000	
/* 512Hz / 600.0000Hz interrupt enable */ 

/* 
 * Stopwatch Minutes Register
 */

#define STPWCH_ADDR	0xfffffb12

#define STPWCH		WORD_REF(STPWCH)


#define STPWCH_CNT_MASK	 0x003f	
/* Stopwatch countdown value */

#define SPTWCH_CNT_SHIFT 0

/*
 * RTC Day Count Register 
 */

#define DAYR_ADDR	0xfffffb1a

#define DAYR		WORD_REF(DAYR_ADDR)


#define DAYR_DAYS_MASK	0x1ff	
/* Day Setting */

#define DAYR_DAYS_SHIFT 0

/*
 * RTC Day Alarm Register 
 */

#define DAYALARM_ADDR	0xfffffb1c

#define DAYALARM	WORD_REF(DAYALARM_ADDR)


#define DAYALARM_DAYSAL_MASK	0x01ff	
/* Day Setting of the Alarm */

#define DAYALARM_DAYSAL_SHIFT 	0

/**********
 *
 * 0xFFFFFCxx -- DRAM Controller
 *
 **********/

/*
 * DRAM Memory Configuration Register 
 */

#define DRAMMC_ADDR	0xfffffc00

#define DRAMMC		WORD_REF(DRAMMC_ADDR)


#define DRAMMC_ROW12_MASK	0xc000	
/* Row address bit for MD12 */

#define   DRAMMC_ROW12_PA10	0x0000

#define   DRAMMC_ROW12_PA21	0x4000	

#define   DRAMMC_ROW12_PA23	0x8000

#define	DRAMMC_ROW0_MASK	0x3000	
/* Row address bit for MD0 */

#define	  DRAMMC_ROW0_PA11	0x0000

#define   DRAMMC_ROW0_PA22	0x1000

#define   DRAMMC_ROW0_PA23	0x2000

#define DRAMMC_ROW11		0x0800	
/* Row address bit for MD11 PA20/PA22 */

#define DRAMMC_ROW10		0x0400	
/* Row address bit for MD10 PA19/PA21 */

#define	DRAMMC_ROW9		0x0200	
/* Row address bit for MD9  PA9/PA19  */

#define DRAMMC_ROW8		0x0100	
/* Row address bit for MD8  PA10/PA20 */

#define DRAMMC_COL10		0x0080	
/* Col address bit for MD10 PA11/PA0  */

#define DRAMMC_COL9		0x0040	
/* Col address bit for MD9  PA10/PA0  */

#define DRAMMC_COL8		0x0020	
/* Col address bit for MD8  PA9/PA0   */

#define DRAMMC_REF_MASK		0x001f	
/* Refresh Cycle */

#define DRAMMC_REF_SHIFT	0

/*
 * DRAM Control Register
 */

#define DRAMC_ADDR	0xfffffc02

#define DRAMC		WORD_REF(DRAMC_ADDR)


#define DRAMC_DWE	   0x0001	
/* DRAM Write Enable */

#define DRAMC_RST	   0x0002	
/* Reset Burst Refresh Enable */

#define DRAMC_LPR	   0x0004	
/* Low-Power Refresh Enable */

#define DRAMC_SLW	   0x0008	
/* Slow RAM */

#define DRAMC_LSP	   0x0010	
/* Light Sleep */

#define DRAMC_MSW	   0x0020	
/* Slow Multiplexing */

#define DRAMC_WS_MASK	   0x00c0	
/* Wait-states */

#define DRAMC_WS_SHIFT	   6

#define DRAMC_PGSZ_MASK    0x0300	
/* Page Size for fast page mode */

#define DRAMC_PGSZ_SHIFT   8

#define   DRAMC_PGSZ_256K  0x0000	

#define   DRAMC_PGSZ_512K  0x0100

#define   DRAMC_PGSZ_1024K 0x0200

#define	  DRAMC_PGSZ_2048K 0x0300

#define DRAMC_EDO	   0x0400	
/* EDO DRAM */

#define DRAMC_CLK	   0x0800	
/* Refresh Timer Clock source select */

#define DRAMC_BC_MASK	   0x3000	
/* Page Access Clock Cycle (FP mode) */

#define DRAMC_BC_SHIFT	   12

#define DRAMC_RM	   0x4000	
/* Refresh Mode */

#define DRAMC_EN	   0x8000	
/* DRAM Controller enable */


/**********
 *
 * 0xFFFFFDxx -- In-Circuit Emulation (ICE)
 *
 **********/

/*
 * ICE Module Address Compare Register
 */

#define ICEMACR_ADDR	0xfffffd00

#define ICEMACR		LONG_REF(ICEMACR_ADDR)

/*
 * ICE Module Address Mask Register
 */

#define ICEMAMR_ADDR	0xfffffd04

#define ICEMAMR		LONG_REF(ICEMAMR_ADDR)

/*
 * ICE Module Control Compare Register
 */

#define ICEMCCR_ADDR	0xfffffd08

#define ICEMCCR		WORD_REF(ICEMCCR_ADDR)


#define ICEMCCR_PD	0x0001	
/* Program/Data Cycle Selection */

#define ICEMCCR_RW	0x0002	
/* Read/Write Cycle Selection */

/*
 * ICE Module Control Mask Register
 */

#define ICEMCMR_ADDR	0xfffffd0a

#define ICEMCMR		WORD_REF(ICEMCMR_ADDR)


#define ICEMCMR_PDM	0x0001	
/* Program/Data Cycle Mask */

#define ICEMCMR_RWM	0x0002	
/* Read/Write Cycle Mask */

/*
 * ICE Module Control Register 
 */

#define ICEMCR_ADDR	0xfffffd0c

#define ICEMCR		WORD_REF(ICEMCR_ADDR)


#define ICEMCR_CEN	0x0001	
/* Compare Enable */

#define ICEMCR_PBEN	0x0002	
/* Program Break Enable */

#define ICEMCR_SB	0x0004	
/* Single Breakpoint */

#define ICEMCR_HMDIS	0x0008	
/* HardMap disable */

#define ICEMCR_BBIEN	0x0010	
/* Bus Break Interrupt Enable */

/*
 * ICE Module Status Register 
 */

#define ICEMSR_ADDR	0xfffffd0e

#define ICEMSR		WORD_REF(ICEMSR_ADDR)


#define ICEMSR_EMUEN	0x0001	
/* Emulation Enable */

#define ICEMSR_BRKIRQ	0x0002	
/* A-Line Vector Fetch Detected */

#define ICEMSR_BBIRQ	0x0004	
/* Bus Break Interrupt Detected */

#define ICEMSR_EMIRQ	0x0008	
/* EMUIRQ Falling Edge Detected */

#endif /* _MC68EZ328_H_ */

Overall Contributors

PersonTokensPropCommitsCommitProp
Alan Cox350199.32%114.29%
Michael Hayes130.37%114.29%
Gideon Israel Dsouza40.11%114.29%
Adam Buchbinder30.09%114.29%
Vinay K. Nallamothu20.06%114.29%
Greg Kroah-Hartman10.03%114.29%
Justin P. Mattock10.03%114.29%
Total3525100.00%7100.00%
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