pxa-regs.h

这是arm10上面的linux环境下的串口通信源程序,方便学习和调试

/*
 *  linux/include/asm-arm/arch-pxa/pxa-regs.h
 *  
 *  Author:	Nicolas Pitre
 *  Created:	Jun 15, 2001
 *  Copyright:	MontaVista Software Inc.
 *  
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#ifndef _PXA_REGS_H_
#define _PXA_REGS_H_



# define __REG(x)	(*((volatile u32 *)(x)))
// FIXME hack so that SA-1111.h will work [cb]

#ifndef __ASSEMBLY__
typedef unsigned short  Word16 ;
typedef unsigned int    Word32 ;
typedef Word32          Word ;
typedef Word            Quad [4] ;
typedef void            *Address ;
typedef void            (*ExcpHndlr) (void) ;
#endif

/*
 * PXA Chip selects
 */

#define PXA_CS0_PHYS	0x00000000
#define PXA_CS1_PHYS	0x04000000
#define PXA_CS2_PHYS	0x08000000
#define PXA_CS3_PHYS	0x0C000000
#define PXA_CS4_PHYS	0x10000000
#define PXA_CS5_PHYS	0x14000000


/*
 * Personal Computer Memory Card International Association (PCMCIA) sockets
 */

#define PCMCIAPrtSp	0x04000000	/* PCMCIA Partition Space [byte]   */
#define PCMCIASp	(4*PCMCIAPrtSp)	/* PCMCIA Space [byte]             */
#define PCMCIAIOSp	PCMCIAPrtSp	/* PCMCIA I/O Space [byte]         */
#define PCMCIAAttrSp	PCMCIAPrtSp	/* PCMCIA Attribute Space [byte]   */
#define PCMCIAMemSp	PCMCIAPrtSp	/* PCMCIA Memory Space [byte]      */

#define PCMCIA0Sp	PCMCIASp	/* PCMCIA 0 Space [byte]           */
#define PCMCIA0IOSp	PCMCIAIOSp	/* PCMCIA 0 I/O Space [byte]       */
#define PCMCIA0AttrSp	PCMCIAAttrSp	/* PCMCIA 0 Attribute Space [byte] */
#define PCMCIA0MemSp	PCMCIAMemSp	/* PCMCIA 0 Memory Space [byte]    */

#define PCMCIA1Sp	PCMCIASp	/* PCMCIA 1 Space [byte]           */
#define PCMCIA1IOSp	PCMCIAIOSp	/* PCMCIA 1 I/O Space [byte]       */
#define PCMCIA1AttrSp	PCMCIAAttrSp	/* PCMCIA 1 Attribute Space [byte] */
#define PCMCIA1MemSp	PCMCIAMemSp	/* PCMCIA 1 Memory Space [byte]    */

#define _PCMCIA(Nb)	        	/* PCMCIA [0..1]                   */ \
                	(0x20000000 + (Nb)*PCMCIASp)
#define _PCMCIAIO(Nb)	_PCMCIA (Nb)	/* PCMCIA I/O [0..1]               */
#define _PCMCIAAttr(Nb)	        	/* PCMCIA Attribute [0..1]         */ \
                	(_PCMCIA (Nb) + 2*PCMCIAPrtSp)
#define _PCMCIAMem(Nb)	        	/* PCMCIA Memory [0..1]            */ \
                	(_PCMCIA (Nb) + 3*PCMCIAPrtSp)

#define _PCMCIA0	_PCMCIA (0)	/* PCMCIA 0                        */
#define _PCMCIA0IO	_PCMCIAIO (0)	/* PCMCIA 0 I/O                    */
#define _PCMCIA0Attr	_PCMCIAAttr (0)	/* PCMCIA 0 Attribute              */
#define _PCMCIA0Mem	_PCMCIAMem (0)	/* PCMCIA 0 Memory                 */

#define _PCMCIA1	_PCMCIA (1)	/* PCMCIA 1                        */
#define _PCMCIA1IO	_PCMCIAIO (1)	/* PCMCIA 1 I/O                    */
#define _PCMCIA1Attr	_PCMCIAAttr (1)	/* PCMCIA 1 Attribute              */
#define _PCMCIA1Mem	_PCMCIAMem (1)	/* PCMCIA 1 Memory                 */



/*
 * DMA Controller
 */

#define DCSR0		__REG(0x40000000)  /* DMA Control / Status Register for Channel 0 */
#define DCSR1		__REG(0x40000004)  /* DMA Control / Status Register for Channel 1 */
#define DCSR2		__REG(0x40000008)  /* DMA Control / Status Register for Channel 2 */
#define DCSR3		__REG(0x4000000c)  /* DMA Control / Status Register for Channel 3 */
#define DCSR4		__REG(0x40000010)  /* DMA Control / Status Register for Channel 4 */
#define DCSR5		__REG(0x40000014)  /* DMA Control / Status Register for Channel 5 */
#define DCSR6		__REG(0x40000018)  /* DMA Control / Status Register for Channel 6 */
#define DCSR7		__REG(0x4000001c)  /* DMA Control / Status Register for Channel 7 */
#define DCSR8		__REG(0x40000020)  /* DMA Control / Status Register for Channel 8 */
#define DCSR9		__REG(0x40000024)  /* DMA Control / Status Register for Channel 9 */
#define DCSR10		__REG(0x40000028)  /* DMA Control / Status Register for Channel 10 */
#define DCSR11		__REG(0x4000002c)  /* DMA Control / Status Register for Channel 11 */
#define DCSR12		__REG(0x40000030)  /* DMA Control / Status Register for Channel 12 */
#define DCSR13		__REG(0x40000034)  /* DMA Control / Status Register for Channel 13 */
#define DCSR14		__REG(0x40000038)  /* DMA Control / Status Register for Channel 14 */
#define DCSR15		__REG(0x4000003c)  /* DMA Control / Status Register for Channel 15 */

#define DCSR(x)		__REG2(0x40000000, (x) << 2)

#define DCSR_RUN	(1 << 31)	/* Run Bit (read / write) */
#define DCSR_NODESC	(1 << 30)	/* No-Descriptor Fetch (read / write) */
#define DCSR_STOPIRQEN	(1 << 29)	/* Stop Interrupt Enable (read / write) */
#define DCSR_REQPEND	(1 << 8)	/* Request Pending (read-only) */
#define DCSR_STOPSTATE	(1 << 3)	/* Stop State (read-only) */
#define DCSR_ENDINTR	(1 << 2)	/* End Interrupt (read / write) */
#define DCSR_STARTINTR	(1 << 1)	/* Start Interrupt (read / write) */
#define DCSR_BUSERR	(1 << 0)	/* Bus Error Interrupt (read / write) */

#define DINT		__REG(0x400000f0)  /* DMA Interrupt Register */

#define DRCMR0		__REG(0x40000100)  /* Request to Channel Map Register for DREQ 0 */
#define DRCMR1		__REG(0x40000104)  /* Request to Channel Map Register for DREQ 1 */
#define DRCMR2		__REG(0x40000108)  /* Request to Channel Map Register for I2S receive Request */
#define DRCMR3		__REG(0x4000010c)  /* Request to Channel Map Register for I2S transmit Request */
#define DRCMR4		__REG(0x40000110)  /* Request to Channel Map Register for BTUART receive Request */
#define DRCMR5		__REG(0x40000114)  /* Request to Channel Map Register for BTUART transmit Request. */
#define DRCMR6		__REG(0x40000118)  /* Request to Channel Map Register for FFUART receive Request */
#define DRCMR7		__REG(0x4000011c)  /* Request to Channel Map Register for FFUART transmit Request */
#define DRCMR8		__REG(0x40000120)  /* Request to Channel Map Register for AC97 microphone Request */
#define DRCMR9		__REG(0x40000124)  /* Request to Channel Map Register for AC97 modem receive Request */
#define DRCMR10		__REG(0x40000128)  /* Request to Channel Map Register for AC97 modem transmit Request */
#define DRCMR11		__REG(0x4000012c)  /* Request to Channel Map Register for AC97 audio receive Request */
#define DRCMR12		__REG(0x40000130)  /* Request to Channel Map Register for AC97 audio transmit Request */
#define DRCMR13		__REG(0x40000134)  /* Request to Channel Map Register for SSP receive Request */
#define DRCMR14		__REG(0x40000138)  /* Request to Channel Map Register for SSP transmit Request */
#define DRCMR15		__REG(0x4000013c)  /* Reserved */
#define DRCMR16		__REG(0x40000140)  /* Reserved */
#define DRCMR17		__REG(0x40000144)  /* Request to Channel Map Register for ICP receive Request */
#define DRCMR18		__REG(0x40000148)  /* Request to Channel Map Register for ICP transmit Request */
#define DRCMR19		__REG(0x4000014c)  /* Request to Channel Map Register for STUART receive Request */
#define DRCMR20		__REG(0x40000150)  /* Request to Channel Map Register for STUART transmit Request */
#define DRCMR21		__REG(0x40000154)  /* Request to Channel Map Register for MMC receive Request */
#define DRCMR22		__REG(0x40000158)  /* Request to Channel Map Register for MMC transmit Request */
#define DRCMR23		__REG(0x4000015c)  /* Reserved */
#define DRCMR24		__REG(0x40000160)  /* Reserved */
#define DRCMR25		__REG(0x40000164)  /* Request to Channel Map Register for USB endpoint 1 Request */
#define DRCMR26		__REG(0x40000168)  /* Request to Channel Map Register for USB endpoint 2 Request */
#define DRCMR27		__REG(0x4000016C)  /* Request to Channel Map Register for USB endpoint 3 Request */
#define DRCMR28		__REG(0x40000170)  /* Request to Channel Map Register for USB endpoint 4 Request */
#define DRCMR29		__REG(0x40000174)  /* Reserved */
#define DRCMR30		__REG(0x40000178)  /* Request to Channel Map Register for USB endpoint 6 Request */
#define DRCMR31		__REG(0x4000017C)  /* Request to Channel Map Register for USB endpoint 7 Request */
#define DRCMR32		__REG(0x40000180)  /* Request to Channel Map Register for USB endpoint 8 Request */
#define DRCMR33		__REG(0x40000184)  /* Request to Channel Map Register for USB endpoint 9 Request */
#define DRCMR34		__REG(0x40000188)  /* Reserved */
#define DRCMR35		__REG(0x4000018C)  /* Request to Channel Map Register for USB endpoint 11 Request */
#define DRCMR36		__REG(0x40000190)  /* Request to Channel Map Register for USB endpoint 12 Request */
#define DRCMR37		__REG(0x40000194)  /* Request to Channel Map Register for USB endpoint 13 Request */
#define DRCMR38		__REG(0x40000198)  /* Request to Channel Map Register for USB endpoint 14 Request */
#define DRCMR39		__REG(0x4000019C)  /* Reserved */

#define DRCMRRXSADR	DRCMR2
#define DRCMRTXSADR	DRCMR3
#define DRCMRRXBTRBR	DRCMR4
#define DRCMRTXBTTHR	DRCMR5
#define DRCMRRXFFRBR	DRCMR6
#define DRCMRTXFFTHR	DRCMR7
#define DRCMRRXMCDR	DRCMR8
#define DRCMRRXMODR	DRCMR9
#define DRCMRTXMODR	DRCMR10
#define DRCMRRXPCDR	DRCMR11
#define DRCMRTXPCDR	DRCMR12
#define DRCMRRXSSDR	DRCMR13
#define DRCMRTXSSDR	DRCMR14
#define DRCMRRXICDR	DRCMR17
#define DRCMRTXICDR	DRCMR18
#define DRCMRRXSTRBR	DRCMR19
#define DRCMRTXSTTHR	DRCMR20
#define DRCMRRXMMC	DRCMR21
#define DRCMRTXMMC	DRCMR22

#define DRCMR_MAPVLD	(1 << 7)	/* Map Valid (read / write) */
#define DRCMR_CHLNUM	0x0f		/* mask for Channel Number (read / write) */

#define DDADR0		__REG(0x40000200)  /* DMA Descriptor Address Register Channel 0 */
#define DSADR0		__REG(0x40000204)  /* DMA Source Address Register Channel 0 */
#define DTADR0		__REG(0x40000208)  /* DMA Target Address Register Channel 0 */
#define DCMD0		__REG(0x4000020c)  /* DMA Command Address Register Channel 0 */
#define DDADR1		__REG(0x40000210)  /* DMA Descriptor Address Register Channel 1 */
#define DSADR1		__REG(0x40000214)  /* DMA Source Address Register Channel 1 */
#define DTADR1		__REG(0x40000218)  /* DMA Target Address Register Channel 1 */
#define DCMD1		__REG(0x4000021c)  /* DMA Command Address Register Channel 1 */
#define DDADR2		__REG(0x40000220)  /* DMA Descriptor Address Register Channel 2 */
#define DSADR2		__REG(0x40000224)  /* DMA Source Address Register Channel 2 */
#define DTADR2		__REG(0x40000228)  /* DMA Target Address Register Channel 2 */
#define DCMD2		__REG(0x4000022c)  /* DMA Command Address Register Channel 2 */
#define DDADR3		__REG(0x40000230)  /* DMA Descriptor Address Register Channel 3 */
#define DSADR3		__REG(0x40000234)  /* DMA Source Address Register Channel 3 */
#define DTADR3		__REG(0x40000238)  /* DMA Target Address Register Channel 3 */
#define DCMD3		__REG(0x4000023c)  /* DMA Command Address Register Channel 3 */
#define DDADR4		__REG(0x40000240)  /* DMA Descriptor Address Register Channel 4 */
#define DSADR4		__REG(0x40000244)  /* DMA Source Address Register Channel 4 */
#define DTADR4		__REG(0x40000248)  /* DMA Target Address Register Channel 4 */
#define DCMD4		__REG(0x4000024c)  /* DMA Command Address Register Channel 4 */
#define DDADR5		__REG(0x40000250)  /* DMA Descriptor Address Register Channel 5 */
#define DSADR5		__REG(0x40000254)  /* DMA Source Address Register Channel 5 */
#define DTADR5		__REG(0x40000258)  /* DMA Target Address Register Channel 5 */
#define DCMD5		__REG(0x4000025c)  /* DMA Command Address Register Channel 5 */
#define DDADR6		__REG(0x40000260)  /* DMA Descriptor Address Register Channel 6 */
#define DSADR6		__REG(0x40000264)  /* DMA Source Address Register Channel 6 */
#define DTADR6		__REG(0x40000268)  /* DMA Target Address Register Channel 6 */
#define DCMD6		__REG(0x4000026c)  /* DMA Command Address Register Channel 6 */
#define DDADR7		__REG(0x40000270)  /* DMA Descriptor Address Register Channel 7 */
#define DSADR7		__REG(0x40000274)  /* DMA Source Address Register Channel 7 */
#define DTADR7		__REG(0x40000278)  /* DMA Target Address Register Channel 7 */
#define DCMD7		__REG(0x4000027c)  /* DMA Command Address Register Channel 7 */
#define DDADR8		__REG(0x40000280)  /* DMA Descriptor Address Register Channel 8 */
#define DSADR8		__REG(0x40000284)  /* DMA Source Address Register Channel 8 */
#define DTADR8		__REG(0x40000288)  /* DMA Target Address Register Channel 8 */
#define DCMD8		__REG(0x4000028c)  /* DMA Command Address Register Channel 8 */
#define DDADR9		__REG(0x40000290)  /* DMA Descriptor Address Register Channel 9 */
#define DSADR9		__REG(0x40000294)  /* DMA Source Address Register Channel 9 */
#define DTADR9		__REG(0x40000298)  /* DMA Target Address Register Channel 9 */
#define DCMD9		__REG(0x4000029c)  /* DMA Command Address Register Channel 9 */
#define DDADR10		__REG(0x400002a0)  /* DMA Descriptor Address Register Channel 10 */
#define DSADR10		__REG(0x400002a4)  /* DMA Source Address Register Channel 10 */
#define DTADR10		__REG(0x400002a8)  /* DMA Target Address Register Channel 10 */
#define DCMD10		__REG(0x400002ac)  /* DMA Command Address Register Channel 10 */
#define DDADR11		__REG(0x400002b0)  /* DMA Descriptor Address Register Channel 11 */
#define DSADR11		__REG(0x400002b4)  /* DMA Source Address Register Channel 11 */
#define DTADR11		__REG(0x400002b8)  /* DMA Target Address Register Channel 11 */
#define DCMD11		__REG(0x400002bc)  /* DMA Command Address Register Channel 11 */
#define DDADR12		__REG(0x400002c0)  /* DMA Descriptor Address Register Channel 12 */
#define DSADR12		__REG(0x400002c4)  /* DMA Source Address Register Channel 12 */
#define DTADR12		__REG(0x400002c8)  /* DMA Target Address Register Channel 12 */
#define DCMD12		__REG(0x400002cc)  /* DMA Command Address Register Channel 12 */
#define DDADR13		__REG(0x400002d0)  /* DMA Descriptor Address Register Channel 13 */
#define DSADR13		__REG(0x400002d4)  /* DMA Source Address Register Channel 13 */
#define DTADR13		__REG(0x400002d8)  /* DMA Target Address Register Channel 13 */
#define DCMD13		__REG(0x400002dc)  /* DMA Command Address Register Channel 13 */
#define DDADR14		__REG(0x400002e0)  /* DMA Descriptor Address Register Channel 14 */
#define DSADR14		__REG(0x400002e4)  /* DMA Source Address Register Channel 14 */
#define DTADR14		__REG(0x400002e8)  /* DMA Target Address Register Channel 14 */
#define DCMD14		__REG(0x400002ec)  /* DMA Command Address Register Channel 14 */
#define DDADR15		__REG(0x400002f0)  /* DMA Descriptor Address Register Channel 15 */
#define DSADR15		__REG(0x400002f4)  /* DMA Source Address Register Channel 15 */
#define DTADR15		__REG(0x400002f8)  /* DMA Target Address Register Channel 15 */
#define DCMD15		__REG(0x400002fc)  /* DMA Command Address Register Channel 15 */

#define DDADR(x)	__REG2(0x40000200, (x) << 4)
#define DSADR(x)	__REG2(0x40000204, (x) << 4)
#define DTADR(x)	__REG2(0x40000208, (x) << 4)
#define DCMD(x)		__REG2(0x4000020c, (x) << 4)

#define DDADR_DESCADDR	0xfffffff0	/* Address of next descriptor (mask) */
#define DDADR_STOP	(1 << 0)	/* Stop (read / write) */

#define DCMD_INCSRCADDR	(1 << 31)	/* Source Address Increment Setting. */
#define DCMD_INCTRGADDR	(1 << 30)	/* Target Address Increment Setting. */
#define DCMD_FLOWSRC	(1 << 29)	/* Flow Control by the source. */
#define DCMD_FLOWTRG	(1 << 28)	/* Flow Control by the target. */
#define DCMD_STARTIRQEN	(1 << 22)	/* Start Interrupt Enable */
#define DCMD_ENDIRQEN	(1 << 21)	/* End Interrupt Enable */
#define DCMD_ENDIAN	(1 << 18)	/* Device Endian-ness. */
#define DCMD_BURST8	(1 << 16)	/* 8 byte burst */
#define DCMD_BURST16	(2 << 16)	/* 16 byte burst */
#define DCMD_BURST32	(3 << 16)	/* 32 byte burst */