ep7312.h

Cirrus Logic公司的EP7312的定时器T1的使用源码

/*
 * linux/include/asm-arm/arch-ep7211/ep7211.h
 *
 * Written 1998,1999 by Werner Almesberger
 * Modified 1999 by Ben Williamson, from clps7110.h 
 *
 * This file contains the hardware definitions of the EP7211 chip
 */

#ifndef _ASM_ARCH_EP7211_H
#define _ASM_ARCH_EP7211_H

/*
 * EP7211 internal registers
 *
 * The names will almost certainly clash with something else ... so we'll
 * probably have to prefix them with EP7211_ or something equally ugly later.
 */

#define PADR	0x0000	/* Port A Data register ---------------------------- */
#define PBDR	0x0001	/* Port B Data register ---------------------------- */
#define PDDR	0x0003	/* Port D Data register ---------------------------- */
#define PADDR	0x0040	/* Port A Data Direction register ------------------ */
#define PBDDR	0x0041	/* Port B Data Direction register ------------------ */
#define PDDDR	0x0043	/* Port D Data Direction register ------------------ */
#define PEDR	0x0080	/* Port E Data register ---------------------------- */	
#define PEDDR	0x00c0	/* Port E Data Direction register ------------------ */

#define	SYSCON1	0x0100	/* System Control register ------------------------- */
#define KBDSCAN	0x0000000f  /* Keyboard scan */
#define KBSC_HI	    0x0	    /*   All driven high */
#define KBSC_LO	    0x1	    /*   All driven low */
#define KBSC_X	    0x2	    /*   All high impedance */
#define KBSC_COL0   0x8	    /*   Column 0 high, others high impedance */
#define KBSC_COL1   0x9	    /*   Column 1 high, others high impedance */
#define KBSC_COL2   0xa	    /*   Column 2 high, others high impedance */
#define KBSC_COL3   0xb	    /*   Column 3 high, others high impedance */
#define KBSC_COL4   0xc	    /*   Column 4 high, others high impedance */
#define KBSC_COL5   0xd	    /*   Column 5 high, others high impedance */
#define KBSC_COL6   0xe	    /*   Column 6 high, others high impedance */
#define KBSC_COL7   0xf	    /*   Column 7 high, others high impedance */
#define TC1M	0x00000010  /* TC1 mode (0: free-running, 1: prescale) */
#define TC1S	0x00000020  /* TC1 clock source (0: 2 kHz, 1: 512 kHz) */
#define TC2M	0x00000040  /* TC2 mode (0: free-running, 1: prescale) */
#define TC2S	0x00000080  /* TC2 clock source (0: 2 kHz, 1: 512 kHz) */
#define UART1EN	0x00000100  /* Internal UART enable */
#define BZTOG	0x00000200  /* Drive buzzer directly */
#define BZMOD	0x00000400  /* Buzzer drive mode (0: BZTOG, 1: TC1 under-flow)*/
#define DBGEN	0x00000800  /* Debug mode */
#define	LCDEN	0x00001000  /* LCD enable */
#define CDENTX	0x00002000  /* Codec interface enable Tx */
#define CDENRX	0x00004000  /* Codec interface enable Rx */
#define SIREN	0x00008000  /* HP SIR protocol encoding enable */
#define	ADCKSEL	0x00030000  /* Microwire/SPI peripheral clock speed select */
#define ADCKSEL_SHIFT	16
#define ADCS_8	    0x0	    /*   Sample 8 kHz, interface 4 kHz */
#define ADCS_32	    0x1	    /*   32/16 kHz */
#define ADCS_128    0x2	    /*   128/64 kHz */
#define ADCS_256    0x3	    /*   256/128 kHz */
#define EXCKEN	0x00040000  /* External expansion clock enable */
#define WAKEDIS	0x00080000  /* Disable switch-on through wake-up */
#define IRTXM	0x00100000  /* IrDA Tx mode (0: 3/16 of rate, 1: 1.63 us) */

#define SYSFLG1	0x0140	/* System Status Flags register -------------------- */
#define MCDR	0x00000001  /* Media changed direct read */
#define DCDET	0x00000002  /* Main adapter is powering the system */
#define WUDR	0x00000004  /* Wake-up direct read */
#define WUON	0x00000008  /* Left standby on wake-up */
#define DID	0x000000f0  /* Display ID nibble */
#define DID_SHIFT	4
#define CTS	0x00000100  /* UART CTS */
#define DSR	0x00000200  /* UART DSR */
#define DCD	0x00000400  /* UART DCD */
#define UBUSY1	0x00000800  /* UART transmitter busy */
#define NBFLG	0x00001000  /* New battery flag */
#define RSTFLG	0x00002000  /* Reset flag */
#define PFFLG	0x00004000  /* Power fail flag */
#define CLDFLG	0x00008000  /* Cold start flag */
#define RTCDIV	0x003f0000  /* 64 Hz ticks since last RTC increment */
#define RTCDIV_SHIFT	16
#define URXFE1	0x00400000  /* UART receiver FIFO empty */
#define UTXFF1	0x00800000  /* UART transmit FIFO full */
#define CRXFE	0x01000000  /* Codec Rx FIFO empty */
#define CTXFF	0x02000000  /* Codec Tx FIFO full */
#define SSIBUSY 0x04000000  /* Synchronous serial interface busy */
#define BOOTBIT 0x18000000  /* Initial bus width from PE[1:0] */
#define BOOTBIT_32 0x00000000  /* 32 bits */
#define BOOTBIT_8  0x08000000  /*  8 bits */
#define BOOTBIT_16 0x10000000  /* 16 bits */
#define ID	0x20000000	/* Always read '1' for the EP7312 Device */
#define VERID	0xc0000000  /* Version ID, will read '01' */
#define VERID_SHIFT	30

#define MEMCFG1	0x0180  /* Memory Configuration register 1 ----------------- */
#define MEMCFG2	0x01c0  /* Memory Configuration register 2 ----------------- */
#define CS_BW	0x03	    /* Bus width */
#define CS_BW_BUS32_E0	 0  /*   32 bit if E=0 */
#define CS_BW_BUS16_E0	 1  /*   16 bit if E=0 */
#define CS_BW_BUS8_E0	 2  /*    8 bit if E=0 */
#define CS_BW_BUS8_E1	 0  /*    8 bit if E=1 */
#define CS_BW_BUS32_E1	 2  /*   32 bit if E=1 */
#define CS_BW_BUS16_E1	 3  /*   16 bit if E=1 */
#define CS_BW_BUS16_E2	 0  /*   16 bit if E=2 */
#define CS_BW_BUS32_E2	 1  /*   32 bit if E=2 */
#define CS_BW_BUS8_E2	 3  /*    8 bit if E=2 */
#define CS_RAWT	0x0c	    /* Random Access Wait State */
#define CS_RAWT_SHIFT	2   /*   WS = 4-N; speed = 50+50*WS ns */
#define CS_SAWR	0x30	    /* Sequential Access Wait State */
#define CS_SAWR_SHIFT	4   /*   WS = 3-N; speed[WS] = 40,80,120,150 ns */
#define CS_SQAEN 0x40	    /* Sequential Access Enable */
#define CS_CLKEN 0x80	    /* Expansion Clock Enable */
#define DRFPR	0x0200

#define INTSR1	0x0240	/* Interrupt Status register ----------------------- */
#define EXTFIQ	0x00000001  /* External fast interrupt */
#define BLINT	0x00000002  /* Battery low interrupt */
#define WEINT	0x00000004  /* Watch dog expired interrupt */
#define MCINT	0x00000008  /* Media changed interrupt */
#define CSINT	0x00000010  /* Codec sound interrupt */
#define EINT1	0x00000020  /* External interrupt 1 */
#define EINT2	0x00000040  /* External interrupt 2 */
#define EINT3	0x00000080  /* External interrupt 3 */
#define TC1OI	0x00000100  /* TC1 under-flow interrupt */
#define TC2OI	0x00000200  /* TC2 under-flow interrupt */
#define RTCMI	0x00000400  /* RTC compare match interrupt */
#define TINT	0x00000800  /* 64-Hz tick interrupt */
#define UTXINT1	0x00001000  /* Internal UART transmit FIFO half-empty intr. */
#define URXINT1	0x00002000  /* Internal UART receive FIFO half-full interrupt */
#define UMSINT	0x00004000  /* Internal UART modem status changed interrupt */
#define SSEOTI	0x00008000  /* Synchronous serial interface end-of-transfer */

#define INTMR1	0x0280	/* Interrupt Mask register ------------------------- */

#define LCDCON	0x02c0	/* LCD Control register ---------------------------- */
#define VBUFSIZ	0x00001fff  /* Video buffer size (bits/128-1) */
#define LINELEN	0x0007e000  /* Line length (pix/16-1) */
#define LINELEN_SHIFT	13
#define	PIXPSC	0x01f80000  /* Pixel prescale (526628/pixels-1) */
#define PIXPSC_SHIFT	19
#define ACPSC	0x3e000000  /* AC prescale */
#define ACPSC_SHIFT	25
#define GSEN	0x40000000  /* Grayscale enable (0: monochrome) */
#define	GSMD	0x80000000  /* Grayscale mode (0: 2 bit, 1: 4 bit) */

#define TC1D	0x0300	/* Timer Counter 1 Data register ------------------- */
#define TC_MASK	0x0000ffff
#define TC2D	0x0340	/* Timer Counter 2 Data register ------------------- */

#define RTCDR	0x0380	/* Realtime Clock Data register -------------------- */

#define RTCMR	0x03c0	/* Realtime Clock Match register ------------------- */

#define PMPCON	0x0400

#define CODR	0x0440	/* Codec Interface Data register ------------------- */

#define UARTDR1	0x0480	/* UART FIFO Data register ------------------------- */
#define RX_DATA	0x000000ff  /* Rx data */
#define FRMERR	0x00000100  /* UART framing error */
#define PARERR	0x00000200  /* UART parity error */