📄 dma.h
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/* * $Id: dma.h,v 1.1.1.1 2005/03/18 15:03:17 klingler Exp $ * * XScale PXA26x/PXA255/PXA250/PXA210 DMA Controller Registers * Copyright (C) 2002, 2003 ETC s.r.o. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the ETC s.r.o. nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Written by Marcel Telka <marcel@telka.sk>, 2002, 2003. * * Documentation: * [1] Intel Corporation, "Intel PXA250 and PXA210 Application Processors * Developer's Manual", February 2002, Order Number: 278522-001 * [2] Intel Corporation, "Intel PXA26x Processor Family Developer's Manual", * March 2003, Order Number: 278638-002 * [3] Intel Corporation, "Intel PXA255 Processor Developer's Manual" * March 2003, Order Number: 278693-001 * */#ifndef PXA2X0_DMA_H#define PXA2X0_DMA_H#include <common.h>#if LANGUAGE == C#include <stdint.h>#endif#if defined(PXA2X0_NOPXA250) && !defined(PXA2X0_NOPXA255)#define PXA2X0_NOPXA255#endif#if defined(PXA2X0_NOPXA255) && !defined(PXA2X0_NOPXA260)#define PXA2X0_NOPXA260#endif/* DMA Controller Registers */#define DMA_BASE 0x40000000#if LANGUAGE == Ctypedef struct _DMA_dar { uint32_t ddadr; uint32_t dsadr; uint32_t dtadr; uint32_t dcmd;} _DMA_dar_t;typedef volatile struct DMA_registers { uint32_t dcsr[16]; uint32_t __reserved1[44]; uint32_t dint; uint32_t __reserved2[3]; uint32_t drcmr[40]; uint32_t __reserved3[24]; _DMA_dar_t dar[16];} DMA_registers_t;#ifdef PXA2X0_UNMAPPED#define DMA_pointer ((DMA_registers_t*) DMA_BASE)#endif#define DCSR(i) DMA_pointer->dcsr[i]#define DINT DMA_pointer->dint#define DRCMR(i) DMA_pointer->drcmr[i]#define DDADR(i) DMA_pointer->dar[i].ddadr#define DSADR(i) DMA_pointer->dar[i].dsadr#define DTADR(i) DMA_pointer->dar[i].dtadr#define DCMD(i) DMA_pointer->dar[i].dcmd/* DRCMR symbolic names - see Table 5-13 in [1], Table 5-13 in [2], Table 5-13 in [3] */#define DRCMR_DREQ0 DRCMR(0)#define DRCMR_DREQ1 DRCMR(1)#define DRCMR_I2S_RX DRCMR(2)#define DRCMR_I2S_TX DRCMR(3)#define DRCMR_BTUART_RX DRCMR(4)#define DRCMR_BTUART_TX DRCMR(5)#define DRCMR_FFUART_RX DRCMR(6)#define DRCMR_FFUART_TX DRCMR(7)#define DRCMR_AC97_MIC_RX DRCMR(8)#define DRCMR_AC97_MODEM_RX DRCMR(9)#define DRCMR_AC97_MODEM_TX DRCMR(10)#define DRCMR_AC97_AUDIO_RX DRCMR(11)#define DRCMR_AC97_AUDIO_TX DRCMR(12)#define DRCMR_SSP_RX DRCMR(13)#define DRCMR_SSP_TX DRCMR(14)#if !defined(PXA2X0_NOPXA255)#define DRCMR_NSSP_RX DRCMR(15)#define DRCMR_NSSP_TX DRCMR(16)#endif /* PXA255 and above only */#define DRCMR_FICP_RX DRCMR(17)#define DRCMR_FICP_TX DRCMR(18)#define DRCMR_STUART_RX DRCMR(19)#define DRCMR_STUART_TX DRCMR(20)#define DRCMR_MMC_RX DRCMR(21)#define DRCMR_MMC_TX DRCMR(22)#if !defined(PXA2X0_NOPXA260)#define DRCMR_ASSP_RX DRCMR(23)#define DRCMR_ASSP_TX DRCMR(24)#endif /* PXA260 and above only */#define DRCMR_USB_EP1 DRCMR(25)#define DRCMR_USB_EP2 DRCMR(26)#define DRCMR_USB_EP3 DRCMR(27)#define DRCMR_USB_EP4 DRCMR(28)#if !defined(PXA2X0_NOPXA255)#define DRCMR_HWUART_RX DRCMR(29)#endif /* PXA255 and above only */#define DRCMR_USB_EP6 DRCMR(30)#define DRCMR_USB_EP7 DRCMR(31)#define DRCMR_USB_EP8 DRCMR(32)#define DRCMR_USB_EP9 DRCMR(33)#if !defined(PXA2X0_NOPXA255)#define DRCMR_HWUART_TX DRCMR(34)#endif /* PXA255 and above only */#define DRCMR_USB_EP11 DRCMR(35)#define DRCMR_USB_EP12 DRCMR(36)#define DRCMR_USB_EP13 DRCMR(37)#define DRCMR_USB_EP14 DRCMR(38)#endif /* LANGUAGE == C */#define DCSR_OFFSET(i) ((i) << 2)#define DINT_OFFSET 0xF0#define DRCMR_OFFSET(i) (0x100 + ((i) << 2))#define DDADR_OFFSET(i) (0x200 + ((i) << 4))#define DSADR_OFFSET(i) (0x204 + ((i) << 4))#define DTADR_OFFSET(i) (0x208 + ((i) << 4))#define DCMD_OFFSET(i) (0x20C + ((i) << 4))/* DRCMR symbolic names offsets - see Table 5-13 in [1], Table 5-13 in [2], Table 5-13 in [3] */#define DRCMR_DREQ0_OFFSET DRCMR_OFFSET(0)#define DRCMR_DREQ1_OFFSET DRCMR_OFFSET(1)#define DRCMR_I2S_RX_OFFSET DRCMR_OFFSET(2)#define DRCMR_I2S_TX_OFFSET DRCMR_OFFSET(3)#define DRCMR_BTUART_RX_OFFSET DRCMR_OFFSET(4)#define DRCMR_BTUART_TX_OFFSET DRCMR_OFFSET(5)#define DRCMR_FFUART_RX_OFFSET DRCMR_OFFSET(6)#define DRCMR_FFUART_TX_OFFSET DRCMR_OFFSET(7)#define DRCMR_AC97_MIC_RX_OFFSET DRCMR_OFFSET(8)#define DRCMR_AC97_MODEM_RX_OFFSET DRCMR_OFFSET(9)#define DRCMR_AC97_MODEM_TX_OFFSET DRCMR_OFFSET(10)#define DRCMR_AC97_AUDIO_RX_OFFSET DRCMR_OFFSET(11)#define DRCMR_AC97_AUDIO_TX_OFFSET DRCMR_OFFSET(12)#define DRCMR_SSP_RX_OFFSET DRCMR_OFFSET(13)#define DRCMR_SSP_TX_OFFSET DRCMR_OFFSET(14)#if !defined(PXA2X0_NOPXA255)#define DRCMR_NSSP_RX_OFFSET DRCMR_OFFSET(15)#define DRCMR_NSSP_TX_OFFSET DRCMR_OFFSET(16)#endif /* PXA255 and above only */#define DRCMR_FICP_RX_OFFSET DRCMR_OFFSET(17)#define DRCMR_FICP_TX_OFFSET DRCMR_OFFSET(18)#define DRCMR_STUART_RX_OFFSET DRCMR_OFFSET(19)#define DRCMR_STUART_TX_OFFSET DRCMR_OFFSET(20)#define DRCMR_MMC_RX_OFFSET DRCMR_OFFSET(21)#define DRCMR_MMC_TX_OFFSET DRCMR_OFFSET(22)#if !defined(PXA2X0_NOPXA260)#define DRCMR_ASSP_RX_OFFSET DRCMR_OFFSET(23)#define DRCMR_ASSP_TX_OFFSET DRCMR_OFFSET(24)#endif /* PXA260 and above only */#define DRCMR_USB_EP1_OFFSET DRCMR_OFFSET(25)#define DRCMR_USB_EP2_OFFSET DRCMR_OFFSET(26)#define DRCMR_USB_EP3_OFFSET DRCMR_OFFSET(27)#define DRCMR_USB_EP4_OFFSET DRCMR_OFFSET(28)#if !defined(PXA2X0_NOPXA255)#define DRCMR_HWUART_RX_OFFSET DRCMR_OFFSET(29)#endif /* PXA255 and above only */#define DRCMR_USB_EP6_OFFSET DRCMR_OFFSET(30)#define DRCMR_USB_EP7_OFFSET DRCMR_OFFSET(31)#define DRCMR_USB_EP8_OFFSET DRCMR_OFFSET(32)#define DRCMR_USB_EP9_OFFSET DRCMR_OFFSET(33)#if !defined(PXA2X0_NOPXA255)#define DRCMR_HWUART_TX_OFFSET DRCMR_OFFSET(34)#endif /* PXA255 and above only */#define DRCMR_USB_EP11_OFFSET DRCMR_OFFSET(35)#define DRCMR_USB_EP12_OFFSET DRCMR_OFFSET(36)#define DRCMR_USB_EP13_OFFSET DRCMR_OFFSET(37)#define DRCMR_USB_EP14_OFFSET DRCMR_OFFSET(38)/* DCSRx bits - see Table 5-7 in [1], Table 5-7 in [2], Table 5-7 in [3] */#define DCSR_RUN bit(31)#define DCSR_NODESCFETCH bit(30)#define DCSR_STOPIRQEN bit(29)#define DCSR_REQPEND bit(8)#define DCSR_STOPSTATE bit(3)#define DCSR_ENDINTR bit(2)#define DCSR_STARTINTR bit(1)#define DCSR_BUSERRINTR bit(0)/* DINT bits - see Table 5-6 in [1], Table 5-6 in [2], Table 5-6 in [3] */#define DINT_CHLINTR(x) bit(x)#define DINT_CHLINTR0 DINT_CHLINTR(0)#define DINT_CHLINTR1 DINT_CHLINTR(1)#define DINT_CHLINTR2 DINT_CHLINTR(2)#define DINT_CHLINTR3 DINT_CHLINTR(3)#define DINT_CHLINTR4 DINT_CHLINTR(4)#define DINT_CHLINTR5 DINT_CHLINTR(5)#define DINT_CHLINTR6 DINT_CHLINTR(6)#define DINT_CHLINTR7 DINT_CHLINTR(7)#define DINT_CHLINTR8 DINT_CHLINTR(8)#define DINT_CHLINTR9 DINT_CHLINTR(9)#define DINT_CHLINTR10 DINT_CHLINTR(10)#define DINT_CHLINTR11 DINT_CHLINTR(11)#define DINT_CHLINTR12 DINT_CHLINTR(12)#define DINT_CHLINTR13 DINT_CHLINTR(13)#define DINT_CHLINTR14 DINT_CHLINTR(14)#define DINT_CHLINTR15 DINT_CHLINTR(15)/* DRCMRx bits - see Table 5-8 in [1], Table 5-8 in [2], Table 5-8 in [3] */#define DRCMR_MAPVLD bit(7)#define DRCMR_CHLNUM_MASK bits(3,0)#define DRCMR_CHLNUM(x) bits_val(3,0,x)#define get_DRCMR_CHLNUM(x) bits_get(3,0,x)/* DDADRx bits - see Table 5-9 in [1], Table 5-9 in [2], Table 5-9 in [3] */#define DDADR_STOP bit(0)/* DCMDx bits - see Table 5-12 in [1], Table 5-12 in [2], Table 5-12 in [3] */#define DCMD_INCSRCADDR bit(31)#define DCMD_INCTRGADDR bit(30)#define DCMD_FLOWSRC bit(29)#define DCMD_FLOWTRG bit(28)#define DCMD_STARTIRQEN bit(22)#define DCMD_ENDIRQEN bit(21)#define DCMD_ENDIAN bit(18)#define DCMD_SIZE_MASK bits(17,16)#define DCMD_SIZE(x) bits_val(17,16,x)#define get_DCMD_SIZE(x) bits_get(17,16,x)#define DCMD_WIDTH_MASK bits(15,14)#define DCMD_WIDTH(x) bits_val(15,14,x)#define get_DCMD_WIDTH(x) bits_get(15,14,x)#define DCMD_LENGTH_MASK bits(12,0)#define DCMD_LENGTH(x) bits_val(12,0,x)#define get_DCMD_LENGTH(x) bits_get(12,0,x)#endif /* PXA2X0_DMA_H */⌨️ 快捷键说明
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