mc68ez328.h

ks8995m5口交换机启动eeprom配置源码

/* include/asm-m68knommu/MC68EZ328.h: 'EZ328 control registers
 *
 * Copyright (C) 1999  Vladimir Gurevich <[e-mail]>
 *                     Bear & Hare Software, Inc.
 *
 * Based on include/asm-m68knommu/MC68332.h
 * Copyright (C) 1998  Kenneth Albanowski <[e-mail]>,
 *                     The Silver Hammer Group, Ltd.
 *
 */

#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	0xffff302
#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 */