7e5abc465b
for the reference of __REG() within <mach/hardware.h> Signed-off-by: Eric Miao <eric.miao@marvell.com>
264 lines
12 KiB
C
264 lines
12 KiB
C
/*
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* arch/arm/mach-pxa/include/mach/pxa-regs.h
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*
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* Author: Nicolas Pitre
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* Created: Jun 15, 2001
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* Copyright: MontaVista Software Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __PXA_REGS_H
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#define __PXA_REGS_H
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#include <mach/hardware.h>
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/*
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* PXA Chip selects
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*/
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#define PXA_CS0_PHYS 0x00000000
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#define PXA_CS1_PHYS 0x04000000
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#define PXA_CS2_PHYS 0x08000000
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#define PXA_CS3_PHYS 0x0C000000
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#define PXA_CS4_PHYS 0x10000000
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#define PXA_CS5_PHYS 0x14000000
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/*
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* Personal Computer Memory Card International Association (PCMCIA) sockets
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*/
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#define PCMCIAPrtSp 0x04000000 /* PCMCIA Partition Space [byte] */
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#define PCMCIASp (4*PCMCIAPrtSp) /* PCMCIA Space [byte] */
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#define PCMCIAIOSp PCMCIAPrtSp /* PCMCIA I/O Space [byte] */
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#define PCMCIAAttrSp PCMCIAPrtSp /* PCMCIA Attribute Space [byte] */
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#define PCMCIAMemSp PCMCIAPrtSp /* PCMCIA Memory Space [byte] */
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#define PCMCIA0Sp PCMCIASp /* PCMCIA 0 Space [byte] */
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#define PCMCIA0IOSp PCMCIAIOSp /* PCMCIA 0 I/O Space [byte] */
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#define PCMCIA0AttrSp PCMCIAAttrSp /* PCMCIA 0 Attribute Space [byte] */
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#define PCMCIA0MemSp PCMCIAMemSp /* PCMCIA 0 Memory Space [byte] */
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#define PCMCIA1Sp PCMCIASp /* PCMCIA 1 Space [byte] */
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#define PCMCIA1IOSp PCMCIAIOSp /* PCMCIA 1 I/O Space [byte] */
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#define PCMCIA1AttrSp PCMCIAAttrSp /* PCMCIA 1 Attribute Space [byte] */
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#define PCMCIA1MemSp PCMCIAMemSp /* PCMCIA 1 Memory Space [byte] */
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#define _PCMCIA(Nb) /* PCMCIA [0..1] */ \
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(0x20000000 + (Nb)*PCMCIASp)
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#define _PCMCIAIO(Nb) _PCMCIA (Nb) /* PCMCIA I/O [0..1] */
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#define _PCMCIAAttr(Nb) /* PCMCIA Attribute [0..1] */ \
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(_PCMCIA (Nb) + 2*PCMCIAPrtSp)
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#define _PCMCIAMem(Nb) /* PCMCIA Memory [0..1] */ \
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(_PCMCIA (Nb) + 3*PCMCIAPrtSp)
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#define _PCMCIA0 _PCMCIA (0) /* PCMCIA 0 */
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#define _PCMCIA0IO _PCMCIAIO (0) /* PCMCIA 0 I/O */
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#define _PCMCIA0Attr _PCMCIAAttr (0) /* PCMCIA 0 Attribute */
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#define _PCMCIA0Mem _PCMCIAMem (0) /* PCMCIA 0 Memory */
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#define _PCMCIA1 _PCMCIA (1) /* PCMCIA 1 */
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#define _PCMCIA1IO _PCMCIAIO (1) /* PCMCIA 1 I/O */
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#define _PCMCIA1Attr _PCMCIAAttr (1) /* PCMCIA 1 Attribute */
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#define _PCMCIA1Mem _PCMCIAMem (1) /* PCMCIA 1 Memory */
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/*
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* DMA Controller
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*/
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#define DCSR(x) __REG2(0x40000000, (x) << 2)
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#define DCSR_RUN (1 << 31) /* Run Bit (read / write) */
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#define DCSR_NODESC (1 << 30) /* No-Descriptor Fetch (read / write) */
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#define DCSR_STOPIRQEN (1 << 29) /* Stop Interrupt Enable (read / write) */
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#define DCSR_REQPEND (1 << 8) /* Request Pending (read-only) */
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#define DCSR_STOPSTATE (1 << 3) /* Stop State (read-only) */
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#define DCSR_ENDINTR (1 << 2) /* End Interrupt (read / write) */
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#define DCSR_STARTINTR (1 << 1) /* Start Interrupt (read / write) */
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#define DCSR_BUSERR (1 << 0) /* Bus Error Interrupt (read / write) */
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#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx)
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#define DCSR_EORIRQEN (1 << 28) /* End of Receive Interrupt Enable (R/W) */
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#define DCSR_EORJMPEN (1 << 27) /* Jump to next descriptor on EOR */
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#define DCSR_EORSTOPEN (1 << 26) /* STOP on an EOR */
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#define DCSR_SETCMPST (1 << 25) /* Set Descriptor Compare Status */
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#define DCSR_CLRCMPST (1 << 24) /* Clear Descriptor Compare Status */
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#define DCSR_CMPST (1 << 10) /* The Descriptor Compare Status */
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#define DCSR_EORINTR (1 << 9) /* The end of Receive */
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#endif
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#define DALGN __REG(0x400000a0) /* DMA Alignment Register */
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#define DINT __REG(0x400000f0) /* DMA Interrupt Register */
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#define DRCMR(n) (*(((n) < 64) ? \
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&__REG2(0x40000100, ((n) & 0x3f) << 2) : \
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&__REG2(0x40001100, ((n) & 0x3f) << 2)))
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#define DRCMR_MAPVLD (1 << 7) /* Map Valid (read / write) */
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#define DRCMR_CHLNUM 0x1f /* mask for Channel Number (read / write) */
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#define DDADR(x) __REG2(0x40000200, (x) << 4)
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#define DSADR(x) __REG2(0x40000204, (x) << 4)
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#define DTADR(x) __REG2(0x40000208, (x) << 4)
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#define DCMD(x) __REG2(0x4000020c, (x) << 4)
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#define DDADR_DESCADDR 0xfffffff0 /* Address of next descriptor (mask) */
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#define DDADR_STOP (1 << 0) /* Stop (read / write) */
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#define DCMD_INCSRCADDR (1 << 31) /* Source Address Increment Setting. */
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#define DCMD_INCTRGADDR (1 << 30) /* Target Address Increment Setting. */
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#define DCMD_FLOWSRC (1 << 29) /* Flow Control by the source. */
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#define DCMD_FLOWTRG (1 << 28) /* Flow Control by the target. */
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#define DCMD_STARTIRQEN (1 << 22) /* Start Interrupt Enable */
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#define DCMD_ENDIRQEN (1 << 21) /* End Interrupt Enable */
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#define DCMD_ENDIAN (1 << 18) /* Device Endian-ness. */
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#define DCMD_BURST8 (1 << 16) /* 8 byte burst */
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#define DCMD_BURST16 (2 << 16) /* 16 byte burst */
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#define DCMD_BURST32 (3 << 16) /* 32 byte burst */
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#define DCMD_WIDTH1 (1 << 14) /* 1 byte width */
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#define DCMD_WIDTH2 (2 << 14) /* 2 byte width (HalfWord) */
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#define DCMD_WIDTH4 (3 << 14) /* 4 byte width (Word) */
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#define DCMD_LENGTH 0x01fff /* length mask (max = 8K - 1) */
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/*
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* Real Time Clock
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*/
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#define RCNR __REG(0x40900000) /* RTC Count Register */
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#define RTAR __REG(0x40900004) /* RTC Alarm Register */
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#define RTSR __REG(0x40900008) /* RTC Status Register */
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#define RTTR __REG(0x4090000C) /* RTC Timer Trim Register */
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#define PIAR __REG(0x40900038) /* Periodic Interrupt Alarm Register */
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#define RTSR_PICE (1 << 15) /* Periodic interrupt count enable */
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#define RTSR_PIALE (1 << 14) /* Periodic interrupt Alarm enable */
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#define RTSR_HZE (1 << 3) /* HZ interrupt enable */
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#define RTSR_ALE (1 << 2) /* RTC alarm interrupt enable */
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#define RTSR_HZ (1 << 1) /* HZ rising-edge detected */
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#define RTSR_AL (1 << 0) /* RTC alarm detected */
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/*
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* OS Timer & Match Registers
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*/
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#define OSMR0 __REG(0x40A00000) /* */
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#define OSMR1 __REG(0x40A00004) /* */
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#define OSMR2 __REG(0x40A00008) /* */
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#define OSMR3 __REG(0x40A0000C) /* */
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#define OSMR4 __REG(0x40A00080) /* */
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#define OSCR __REG(0x40A00010) /* OS Timer Counter Register */
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#define OSCR4 __REG(0x40A00040) /* OS Timer Counter Register */
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#define OMCR4 __REG(0x40A000C0) /* */
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#define OSSR __REG(0x40A00014) /* OS Timer Status Register */
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#define OWER __REG(0x40A00018) /* OS Timer Watchdog Enable Register */
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#define OIER __REG(0x40A0001C) /* OS Timer Interrupt Enable Register */
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#define OSSR_M3 (1 << 3) /* Match status channel 3 */
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#define OSSR_M2 (1 << 2) /* Match status channel 2 */
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#define OSSR_M1 (1 << 1) /* Match status channel 1 */
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#define OSSR_M0 (1 << 0) /* Match status channel 0 */
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#define OWER_WME (1 << 0) /* Watchdog Match Enable */
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#define OIER_E3 (1 << 3) /* Interrupt enable channel 3 */
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#define OIER_E2 (1 << 2) /* Interrupt enable channel 2 */
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#define OIER_E1 (1 << 1) /* Interrupt enable channel 1 */
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#define OIER_E0 (1 << 0) /* Interrupt enable channel 0 */
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/*
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* Interrupt Controller
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*/
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#define ICIP __REG(0x40D00000) /* Interrupt Controller IRQ Pending Register */
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#define ICMR __REG(0x40D00004) /* Interrupt Controller Mask Register */
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#define ICLR __REG(0x40D00008) /* Interrupt Controller Level Register */
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#define ICFP __REG(0x40D0000C) /* Interrupt Controller FIQ Pending Register */
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#define ICPR __REG(0x40D00010) /* Interrupt Controller Pending Register */
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#define ICCR __REG(0x40D00014) /* Interrupt Controller Control Register */
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#define ICIP2 __REG(0x40D0009C) /* Interrupt Controller IRQ Pending Register 2 */
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#define ICMR2 __REG(0x40D000A0) /* Interrupt Controller Mask Register 2 */
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#define ICLR2 __REG(0x40D000A4) /* Interrupt Controller Level Register 2 */
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#define ICFP2 __REG(0x40D000A8) /* Interrupt Controller FIQ Pending Register 2 */
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#define ICPR2 __REG(0x40D000AC) /* Interrupt Controller Pending Register 2 */
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/*
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* General Purpose I/O
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*/
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#define GPLR0 __REG(0x40E00000) /* GPIO Pin-Level Register GPIO<31:0> */
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#define GPLR1 __REG(0x40E00004) /* GPIO Pin-Level Register GPIO<63:32> */
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#define GPLR2 __REG(0x40E00008) /* GPIO Pin-Level Register GPIO<80:64> */
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#define GPDR0 __REG(0x40E0000C) /* GPIO Pin Direction Register GPIO<31:0> */
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#define GPDR1 __REG(0x40E00010) /* GPIO Pin Direction Register GPIO<63:32> */
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#define GPDR2 __REG(0x40E00014) /* GPIO Pin Direction Register GPIO<80:64> */
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#define GPSR0 __REG(0x40E00018) /* GPIO Pin Output Set Register GPIO<31:0> */
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#define GPSR1 __REG(0x40E0001C) /* GPIO Pin Output Set Register GPIO<63:32> */
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#define GPSR2 __REG(0x40E00020) /* GPIO Pin Output Set Register GPIO<80:64> */
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#define GPCR0 __REG(0x40E00024) /* GPIO Pin Output Clear Register GPIO<31:0> */
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#define GPCR1 __REG(0x40E00028) /* GPIO Pin Output Clear Register GPIO <63:32> */
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#define GPCR2 __REG(0x40E0002C) /* GPIO Pin Output Clear Register GPIO <80:64> */
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#define GRER0 __REG(0x40E00030) /* GPIO Rising-Edge Detect Register GPIO<31:0> */
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#define GRER1 __REG(0x40E00034) /* GPIO Rising-Edge Detect Register GPIO<63:32> */
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#define GRER2 __REG(0x40E00038) /* GPIO Rising-Edge Detect Register GPIO<80:64> */
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#define GFER0 __REG(0x40E0003C) /* GPIO Falling-Edge Detect Register GPIO<31:0> */
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#define GFER1 __REG(0x40E00040) /* GPIO Falling-Edge Detect Register GPIO<63:32> */
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#define GFER2 __REG(0x40E00044) /* GPIO Falling-Edge Detect Register GPIO<80:64> */
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#define GEDR0 __REG(0x40E00048) /* GPIO Edge Detect Status Register GPIO<31:0> */
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#define GEDR1 __REG(0x40E0004C) /* GPIO Edge Detect Status Register GPIO<63:32> */
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#define GEDR2 __REG(0x40E00050) /* GPIO Edge Detect Status Register GPIO<80:64> */
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#define GAFR0_L __REG(0x40E00054) /* GPIO Alternate Function Select Register GPIO<15:0> */
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#define GAFR0_U __REG(0x40E00058) /* GPIO Alternate Function Select Register GPIO<31:16> */
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#define GAFR1_L __REG(0x40E0005C) /* GPIO Alternate Function Select Register GPIO<47:32> */
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#define GAFR1_U __REG(0x40E00060) /* GPIO Alternate Function Select Register GPIO<63:48> */
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#define GAFR2_L __REG(0x40E00064) /* GPIO Alternate Function Select Register GPIO<79:64> */
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#define GAFR2_U __REG(0x40E00068) /* GPIO Alternate Function Select Register GPIO<95-80> */
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#define GAFR3_L __REG(0x40E0006C) /* GPIO Alternate Function Select Register GPIO<111:96> */
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#define GAFR3_U __REG(0x40E00070) /* GPIO Alternate Function Select Register GPIO<127:112> */
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#define GPLR3 __REG(0x40E00100) /* GPIO Pin-Level Register GPIO<127:96> */
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#define GPDR3 __REG(0x40E0010C) /* GPIO Pin Direction Register GPIO<127:96> */
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#define GPSR3 __REG(0x40E00118) /* GPIO Pin Output Set Register GPIO<127:96> */
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#define GPCR3 __REG(0x40E00124) /* GPIO Pin Output Clear Register GPIO<127:96> */
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#define GRER3 __REG(0x40E00130) /* GPIO Rising-Edge Detect Register GPIO<127:96> */
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#define GFER3 __REG(0x40E0013C) /* GPIO Falling-Edge Detect Register GPIO<127:96> */
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#define GEDR3 __REG(0x40E00148) /* GPIO Edge Detect Status Register GPIO<127:96> */
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/* More handy macros. The argument is a literal GPIO number. */
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#define GPIO_bit(x) (1 << ((x) & 0x1f))
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#define _GPLR(x) __REG2(0x40E00000, ((x) & 0x60) >> 3)
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#define _GPDR(x) __REG2(0x40E0000C, ((x) & 0x60) >> 3)
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#define _GPSR(x) __REG2(0x40E00018, ((x) & 0x60) >> 3)
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#define _GPCR(x) __REG2(0x40E00024, ((x) & 0x60) >> 3)
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#define _GRER(x) __REG2(0x40E00030, ((x) & 0x60) >> 3)
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#define _GFER(x) __REG2(0x40E0003C, ((x) & 0x60) >> 3)
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#define _GEDR(x) __REG2(0x40E00048, ((x) & 0x60) >> 3)
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#define _GAFR(x) __REG2(0x40E00054, ((x) & 0x70) >> 2)
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#define GPLR(x) (*((((x) & 0x7f) < 96) ? &_GPLR(x) : &GPLR3))
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#define GPDR(x) (*((((x) & 0x7f) < 96) ? &_GPDR(x) : &GPDR3))
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#define GPSR(x) (*((((x) & 0x7f) < 96) ? &_GPSR(x) : &GPSR3))
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#define GPCR(x) (*((((x) & 0x7f) < 96) ? &_GPCR(x) : &GPCR3))
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#define GRER(x) (*((((x) & 0x7f) < 96) ? &_GRER(x) : &GRER3))
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#define GFER(x) (*((((x) & 0x7f) < 96) ? &_GFER(x) : &GFER3))
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#define GEDR(x) (*((((x) & 0x7f) < 96) ? &_GEDR(x) : &GEDR3))
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#define GAFR(x) (*((((x) & 0x7f) < 96) ? &_GAFR(x) : \
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((((x) & 0x7f) < 112) ? &GAFR3_L : &GAFR3_U)))
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#endif
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