Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757343Ab2HUMT1 (ORCPT ); Tue, 21 Aug 2012 08:19:27 -0400 Received: from mail-we0-f174.google.com ([74.125.82.174]:55588 "EHLO mail-we0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757163Ab2HUMTU (ORCPT ); Tue, 21 Aug 2012 08:19:20 -0400 From: Stany MARCEL To: linux-m68k@vger.kernel.org Cc: geert@linux-m68k.org, linux-kernel@vger.kernel.org, Stany MARCEL Subject: [PATCH 2/3] Add support to Freescale M54xx Multi Channel DMA engine Date: Tue, 21 Aug 2012 14:18:50 +0200 Message-Id: <1345551531-15348-2-git-send-email-stany.marcel@novasys-ingenierie.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1345551531-15348-1-git-send-email-stany.marcel@novasys-ingenierie.com> References: <1345551531-15348-1-git-send-email-stany.marcel@novasys-ingenierie.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 163454 Lines: 5620 Signed-off-by: Stany MARCEL --- This driver is an adaption of the one given by freescale for kernel 2.6.25. Tested with kernel 3.4.8 with arch/m68k backported from linux-m68k head 2 FEC configured with shared phy arch/m68k/Kconfig.devices | 6 + arch/m68k/include/asm/MCD_dma.h | 432 +++++ arch/m68k/include/asm/dma.h | 76 +- arch/m68k/include/asm/m54xxdma.h | 97 ++ arch/m68k/include/asm/m54xxsram.h | 11 + arch/m68k/platform/coldfire/MCD_dma.h | 431 +++++ arch/m68k/platform/coldfire/MCD_dmaApi.c | 1045 ++++++++++++ arch/m68k/platform/coldfire/MCD_progCheck.h | 29 + arch/m68k/platform/coldfire/MCD_tasks.c | 2466 +++++++++++++++++++++++++++ arch/m68k/platform/coldfire/MCD_tasksInit.c | 275 +++ arch/m68k/platform/coldfire/MCD_tasksInit.h | 84 + arch/m68k/platform/coldfire/Makefile | 3 + arch/m68k/platform/coldfire/dma-54xx.c | 515 ++++++ 13 files changed, 5469 insertions(+), 1 deletion(-) create mode 100644 arch/m68k/include/asm/MCD_dma.h create mode 100644 arch/m68k/include/asm/m54xxdma.h create mode 100644 arch/m68k/include/asm/m54xxsram.h create mode 100644 arch/m68k/platform/coldfire/MCD_dma.h create mode 100644 arch/m68k/platform/coldfire/MCD_dmaApi.c create mode 100644 arch/m68k/platform/coldfire/MCD_progCheck.h create mode 100644 arch/m68k/platform/coldfire/MCD_tasks.c create mode 100644 arch/m68k/platform/coldfire/MCD_tasksInit.c create mode 100644 arch/m68k/platform/coldfire/MCD_tasksInit.h create mode 100644 arch/m68k/platform/coldfire/dma-54xx.c diff --git a/arch/m68k/Kconfig.devices b/arch/m68k/Kconfig.devices index 04a3d9b..5616933 100644 --- a/arch/m68k/Kconfig.devices +++ b/arch/m68k/Kconfig.devices @@ -55,6 +55,12 @@ config NFETH which will emulate a regular ethernet device while presenting an ethertap device to the host system. +config MCD_DMA + tristate "Freescale M54xx Multi Channel DMA engine support" + depends on M54xx + ---help--- + Enable support for the Freescale M547x and M548x Multi Channel DMA engine. + endmenu menu "Character devices" diff --git a/arch/m68k/include/asm/MCD_dma.h b/arch/m68k/include/asm/MCD_dma.h new file mode 100644 index 0000000..700adf2 --- /dev/null +++ b/arch/m68k/include/asm/MCD_dma.h @@ -0,0 +1,432 @@ +/********************************************************************* + * + * Copyright (C) 2004 Motorola, Inc. + * MOTOROLA, INC. All Rights Reserved. + * Copyright 2009 Freescale Semiconductor, Inc. + * Shrek Wu b16972@freescale.com + * + * You are hereby granted a copyright license to use + * the SOFTWARE so long as this entire notice is + * retained without alteration in any modified and/or redistributed + * versions, and that such modified versions are clearly identified + * as such. No licenses are granted by implication, estoppel or + * otherwise under any patents or trademarks of Motorola, Inc. This + * software is provided on an "AS IS" basis and without warranty. + * + * To the maximum extent permitted by applicable law, MOTOROLA + * DISCLAIMS ALL WARRANTIES WHETHER EXPRESS OR IMPLIED, INCLUDING + * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR + * PURPOSE AND ANY WARRANTY AGAINST INFRINGEMENT WITH REGARD TO THE + * SOFTWARE (INCLUDING ANY MODIFIED VERSIONS THEREOF) AND ANY + * ACCOMPANYING WRITTEN MATERIALS. + * + * To the maximum extent permitted by applicable law, IN NO EVENT + * SHALL MOTOROLA BE LIABLE FOR ANY DAMAGES WHATSOEVER (INCLUDING + * WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS + * INTERRUPTION, LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY + * LOSS) ARISING OF THE USE OR INABILITY TO USE THE SOFTWARE. + * + * Motorola assumes no responsibility for the maintenance and support + * of this software + ********************************************************************/ + +/* + * File: MCD_dma.h + * Purpose: Main header file for multi-channel DMA API. + * + * Notes: + * + * Modifications: + */ +#ifndef _MCD_API_H +#define _MCD_API_H + +#include + +/* + * Turn Execution Unit tasks ON (#define) or OFF (#undef) + */ +#undef MCD_INCLUDE_EU + +/* + * Number of DMA channels + */ +#define NCHANNELS 16 + +/* + * Total number of variants + */ +#ifdef MCD_INCLUDE_EU +#define NUMOFVARIANTS 6 +#else +#define NUMOFVARIANTS 4 +#endif + +/* + * Define sizes of the various tables + */ +#define TASK_TABLE_SIZE (NCHANNELS*32) +#define VAR_TAB_SIZE (128) +#define CONTEXT_SAVE_SIZE (128) +#define FUNCDESC_TAB_SIZE (256) + +#ifdef MCD_INCLUDE_EU +#define FUNCDESC_TAB_NUM 16 +#else +#define FUNCDESC_TAB_NUM 1 +#endif + + +#ifndef DEFINESONLY + +/* + * Portability typedefs + */ + /* +#ifndef s32 +typedef int s32; +#endif +#ifndef u32 +typedef unsigned int u32; +#endif +#ifndef s16 +typedef short s16; +#endif +#ifndef u16 +typedef unsigned short u16; +#endif +#ifndef s8 +typedef char s8; +#endif +#ifndef u8 +typedef unsigned char u8; +#endif +*/ +/* + * These structures represent the internal registers of the + * multi-channel DMA + */ +struct dmaRegs_s { + u32 taskbar; /* task table base address register */ + u32 currPtr; + u32 endPtr; + u32 varTablePtr; + u16 dma_rsvd0; + u16 ptdControl; /* ptd control */ + u32 intPending; /* interrupt pending register */ + u32 intMask; /* interrupt mask register */ + u16 taskControl[16]; /* task control registers */ + u8 priority[32]; /* priority registers */ + u32 initiatorMux; /* initiator mux control */ + u32 taskSize0; /* task size control register 0. */ + u32 taskSize1; /* task size control register 1. */ + u32 dma_rsvd1; /* reserved */ + u32 dma_rsvd2; /* reserved */ + u32 debugComp1; /* debug comparator 1 */ + u32 debugComp2; /* debug comparator 2 */ + u32 debugControl; /* debug control */ + u32 debugStatus; /* debug status */ + u32 ptdDebug; /* priority task decode debug */ + u32 dma_rsvd3[31]; /* reserved */ +}; +typedef volatile struct dmaRegs_s dmaRegs; + +#endif + +/* + * PTD contrl reg bits + */ +#define PTD_CTL_TSK_PRI 0x8000 +#define PTD_CTL_COMM_PREFETCH 0x0001 + +/* + * Task Control reg bits and field masks + */ +#define TASK_CTL_EN 0x8000 +#define TASK_CTL_VALID 0x4000 +#define TASK_CTL_ALWAYS 0x2000 +#define TASK_CTL_INIT_MASK 0x1f00 +#define TASK_CTL_ASTRT 0x0080 +#define TASK_CTL_HIPRITSKEN 0x0040 +#define TASK_CTL_HLDINITNUM 0x0020 +#define TASK_CTL_ASTSKNUM_MASK 0x000f + +/* + * Priority reg bits and field masks + */ +#define PRIORITY_HLD 0x80 +#define PRIORITY_PRI_MASK 0x07 + +/* + * Debug Control reg bits and field masks + */ +#define DBG_CTL_BLOCK_TASKS_MASK 0xffff0000 +#define DBG_CTL_AUTO_ARM 0x00008000 +#define DBG_CTL_BREAK 0x00004000 +#define DBG_CTL_COMP1_TYP_MASK 0x00003800 +#define DBG_CTL_COMP2_TYP_MASK 0x00000070 +#define DBG_CTL_EXT_BREAK 0x00000004 +#define DBG_CTL_INT_BREAK 0x00000002 + +/* + * PTD Debug reg selector addresses + * This reg must be written with a value to show the contents of + * one of the desired internal register. + */ +#define PTD_DBG_REQ 0x00 /* shows the state of 31 initiators */ +#define PTD_DBG_TSK_VLD_INIT 0x01 /* shows which 16 tasks are valid and + have initiators asserted */ + + +/* + * General return values + */ +#define MCD_OK 0 +#define MCD_ERROR -1 +#define MCD_TABLE_UNALIGNED -2 +#define MCD_CHANNEL_INVALID -3 + +/* + * MCD_initDma input flags + */ +#define MCD_RELOC_TASKS 0x00000001 +#define MCD_NO_RELOC_TASKS 0x00000000 +#define MCD_COMM_PREFETCH_EN 0x00000002 +/* Commbus Prefetching - MCF547x/548x ONLY */ + +/* + * MCD_dmaStatus Status Values for each channel + */ +#define MCD_NO_DMA 1 /* No DMA has been requested since reset */ +#define MCD_IDLE 2 /* DMA active, but the initiator is currently inactive */ +#define MCD_RUNNING 3 /* DMA active, and the initiator is currently active */ +#define MCD_PAUSED 4 /* DMA active but it is currently paused */ +#define MCD_HALTED 5 +/* the most recent DMA has been killed with MCD_killTask() */ +#define MCD_DONE 6 /* the most recent DMA has completed. */ + + +/* + * MCD_startDma parameter defines + */ + +/* + * Constants for the funcDesc parameter + */ +/* Byte swapping: */ +#define MCD_NO_BYTE_SWAP 0x00045670 /* to disable byte swapping. */ +#define MCD_BYTE_REVERSE 0x00076540 +/* to reverse the bytes of each u32 of the DMAed data. */ +#define MCD_U16_REVERSE 0x00067450 /* to reverse the 16-bit halves of + each 32-bit data value being DMAed.*/ +#define MCD_U16_BYTE_REVERSE 0x00054760 /* to reverse the byte halves of each + 16-bit half of each 32-bit data value DMAed */ +#define MCD_NO_BIT_REV 0x00000000 +/* do not reverse the bits of each byte DMAed. */ +#define MCD_BIT_REV 0x00088880 /* reverse the bits of each byte DMAed */ +/* CRCing: */ +#define MCD_CRC16 0xc0100000 /* to perform CRC-16 on DMAed data. */ +#define MCD_CRCCCITT 0xc0200000 /* to perform CRC-CCITT on DMAed data. */ +#define MCD_CRC32 0xc0300000 /* to perform CRC-32 on DMAed data. */ +#define MCD_CSUMINET 0xc0400000 +/* to perform internet checksums on DMAed data.*/ +#define MCD_NO_CSUM 0xa0000000 /* to perform no checksumming. */ + +#define MCD_FUNC_NOEU1 (MCD_NO_BYTE_SWAP | MCD_NO_BIT_REV | MCD_NO_CSUM) +#define MCD_FUNC_NOEU2 (MCD_NO_BYTE_SWAP | MCD_NO_CSUM) + +/* + * Constants for the flags parameter + */ +#define MCD_TT_FLAGS_RL 0x00000001 /* Read line */ +#define MCD_TT_FLAGS_CW 0x00000002 /* Combine Writes */ +#define MCD_TT_FLAGS_SP 0x00000004 +/* Speculative prefetch(XLB) MCF547x/548x ONLY */ +#define MCD_TT_FLAGS_MASK 0x000000ff +#define MCD_TT_FLAGS_DEF (MCD_TT_FLAGS_RL | MCD_TT_FLAGS_CW) + +#define MCD_SINGLE_DMA 0x00000100 /* Unchained DMA */ +#define MCD_CHAIN_DMA /* TBD */ +#define MCD_EU_DMA /* TBD */ +#define MCD_FECTX_DMA 0x00001000 /* FEC TX ring DMA */ +#define MCD_FECRX_DMA 0x00002000 /* FEC RX ring DMA */ + + +/* these flags are valid for MCD_startDma and the chained buffer descriptors */ +#define MCD_BUF_READY 0x80000000 +/* indicates that this buffer is now under the DMA's control */ +#define MCD_WRAP 0x20000000 +/* to tell the FEC Dmas to wrap to the first BD */ +#define MCD_INTERRUPT 0x10000000 +/* to generate an interrupt after completion of the DMA. */ +#define MCD_END_FRAME 0x08000000 +/* tell the DMA to end the frame when transferring + last byte of data in buffer */ +#define MCD_CRC_RESTART 0x40000000 /* to empty out the accumulated checksum + prior to performing the DMA. */ + +/* Defines for the FEC buffer descriptor control/status word*/ +#define MCD_FEC_BUF_READY 0x8000 +#define MCD_FEC_WRAP 0x2000 +#define MCD_FEC_INTERRUPT 0x1000 +#define MCD_FEC_END_FRAME 0x0800 + + +/* + * Defines for general intuitiveness + */ + +#define MCD_TRUE 1 +#define MCD_FALSE 0 + +/* + * Three different cases for destination and source. + */ +#define MINUS1 -1 +#define ZERO 0 +#define PLUS1 1 + +#ifndef DEFINESONLY + +/* Task Table Entry struct*/ +typedef struct { + u32 TDTstart; /* task descriptor table start */ + u32 TDTend; /* task descriptor table end */ + u32 varTab; /* variable table start */ + u32 FDTandFlags; /* function descriptor table start and flags */ + volatile u32 descAddrAndStatus; + volatile u32 modifiedVarTab; + u32 contextSaveSpace; /* context save space start */ + u32 literalBases; +} TaskTableEntry; + + +/* Chained buffer descriptor */ +typedef volatile struct MCD_bufDesc_struct MCD_bufDesc; +struct MCD_bufDesc_struct { + u32 flags; /* flags describing the DMA */ + u32 csumResult; + /* checksum from checksumming performed since last checksum reset */ + s8 *srcAddr; /* the address to move data from */ + s8 *destAddr; /* the address to move data to */ + s8 *lastDestAddr; /* the last address written to */ + u32 dmaSize; + /* the number of bytes to transfer independent of the transfer size */ + MCD_bufDesc *next; /* next buffer descriptor in chain */ + u32 info; + /* private information about this descriptor; DMA does not affect it */ +}; + +/* Progress Query struct */ +typedef volatile struct MCD_XferProg_struct { + s8 *lastSrcAddr; + /* the most-recent or last, post-increment source address */ + s8 *lastDestAddr; + /* the most-recent or last, post-increment destination address */ + u32 dmaSize; + /* the amount of data transferred for the current buffer */ + MCD_bufDesc *currBufDesc; + /* pointer to the current buffer descriptor being DMAed */ +} MCD_XferProg; + + +/* FEC buffer descriptor */ +typedef volatile struct MCD_bufDescFec_struct { + u16 statCtrl; + u16 length; + u32 dataPointer; +} MCD_bufDescFec; + + +/*************************************************************************/ +/* + * API function Prototypes - see MCD_dmaApi.c for further notes + */ + +/* + * MCD_startDma starts a particular kind of DMA . + */ +int MCD_startDma( + int channel, /* the channel on which to run the DMA */ + s8 *srcAddr, + /* the address to move data from, or buffer-descriptor address */ + s16 srcIncr, /* the amount to increment the source address per transfer */ + s8 *destAddr, /* the address to move data to */ + s16 destIncr, + /* the amount to increment the destination address per transfer */ + u32 dmaSize, + /* the number of bytes to transfer independent of the transfer size */ + u32 xferSize, /* the number bytes in of each data movement (1, 2, or 4) */ + u32 initiator, /* what device initiates the DMA */ + int priority, /* priority of the DMA */ + u32 flags, /* flags describing the DMA */ + u32 funcDesc +/* a description of byte swapping, bit swapping, and CRC actions */ +); + +/* + * MCD_initDma() initializes the DMA API by setting up a pointer to the DMA + * registers, relocating and creating the appropriate task structures, and + * setting up some global settings + */ +int MCD_initDma(dmaRegs *sDmaBarAddr, void *taskTableDest, u32 flags); + +/* + * MCD_dmaStatus() returns the status of the DMA on the requested channel. + */ +int MCD_dmaStatus(int channel); + +/* + * MCD_XferProgrQuery() returns progress of DMA on requested channel + */ +int MCD_XferProgrQuery(int channel, MCD_XferProg *progRep); + +/* + * MCD_killDma() halts the DMA on the requested channel, without any + * intention of resuming the DMA. + */ +int MCD_killDma(int channel); + +/* + * MCD_continDma() continues a DMA which as stopped due to encountering an + * unready buffer descriptor. + */ +int MCD_continDma(int channel); + +/* + * MCD_pauseDma() pauses the DMA on the given channel ( if any DMA is + * running on that channel). + */ +int MCD_pauseDma(int channel); + +/* + * MCD_resumeDma() resumes the DMA on a given channel (if any DMA is + * running on that channel). + */ +int MCD_resumeDma(int channel); + +/* + * MCD_csumQuery provides the checksum/CRC after performing a non-chained DMA + */ +int MCD_csumQuery(int channel, u32 *csum); + +/* + * MCD_getCodeSize provides the packed size required by the microcoded task + * and structures. + */ +int MCD_getCodeSize(void); + +/* + * MCD_getVersion provides a pointer to a version string and returns a + * version number. + */ +int MCD_getVersion(char **longVersion); + +/* macro for setting a location in the variable table */ +#define MCD_SET_VAR(taskTab, idx, value) ((u32 *)(taskTab)->varTab)[idx] = value + /* Note that MCD_SET_VAR() is invoked many times in firing up a DMA function, + so I'm avoiding surrounding it with "do {} while(0)" */ + +#endif /* DEFINESONLY */ + +#endif /* _MCD_API_H */ diff --git a/arch/m68k/include/asm/dma.h b/arch/m68k/include/asm/dma.h index 0ff3fc6..ab46249 100644 --- a/arch/m68k/include/asm/dma.h +++ b/arch/m68k/include/asm/dma.h @@ -23,6 +23,9 @@ * * APR/18/2002 : added proper support for MCF5272 DMA controller. * Arthur Shipkowski (art@videon-central.com) + * + * AUG/17/2012 : added support for MCD DMA (M54xx) from freescale drivers + * Stany MARCEL (smarcel@novasys-ingenierie.com) */ #include @@ -477,17 +480,88 @@ static __inline__ int get_dma_residue(unsigned int dmanr) } #endif /* !defined(CONFIG_M5272) */ + #endif /* CONFIG_COLDFIRE */ /* it's useless on the m68k, but unfortunately needed by the new bootmem allocator (but this should do it for this) */ +#ifndef CONFIG_M54xx #define MAX_DMA_ADDRESS PAGE_OFFSET - #define MAX_DMA_CHANNELS 8 extern int request_dma(unsigned int dmanr, const char * device_id); /* reserve a DMA channel */ extern void free_dma(unsigned int dmanr); /* release it again */ +#else +#define MAX_DMA_ADDRESS 0xefffffff + +#ifdef CONFIG_MCD_DMA + +#include +#include +#include +#include + +struct scatterlist; + +#define MAX_DMA_CHANNELS NCHANNELS +/* + * identifiers for each initiator/requestor + */ +#define DMA_ALWAYS (0) +#define DMA_DSPI_RX (1) +#define DMA_DSPI_TX (2) +#define DMA_DREQ0 (3) +#define DMA_PSC0_RX (4) +#define DMA_PSC0_TX (5) +#define DMA_USBEP0 (6) +#define DMA_USBEP1 (7) +#define DMA_USBEP2 (8) +#define DMA_USBEP3 (9) +#define DMA_PCI_TX (10) +#define DMA_PCI_RX (11) +#define DMA_PSC1_RX (12) +#define DMA_PSC1_TX (13) +#define DMA_I2C_RX (14) +#define DMA_I2C_TX (15) +#define DMA_FEC0_RX (16) +#define DMA_FEC0_TX (17) +#define DMA_FEC1_RX (18) +#define DMA_FEC1_TX (19) +#define DMA_DREQ1 (20) +#define DMA_CTM0 (21) +#define DMA_CTM1 (22) +#define DMA_CTM2 (23) +#define DMA_CTM3 (24) +#define DMA_CTM4 (25) +#define DMA_CTM5 (26) +#define DMA_CTM6 (27) +#define DMA_CTM7 (28) +#define DMA_USBEP4 (29) +#define DMA_USBEP5 (30) +#define DMA_USBEP6 (31) +#define DMA_PSC2_RX (32) +#define DMA_PSC2_TX (33) +#define DMA_PSC3_RX (34) +#define DMA_PSC3_TX (35) +#define DMA_FEC_RX(x) ((x == 0) ? DMA_FEC0_RX : DMA_FEC1_RX) +#define DMA_FEC_TX(x) ((x == 0) ? DMA_FEC0_TX : DMA_FEC1_TX) + +int dma_set_initiator(int); +unsigned int dma_get_initiator(int); +void dma_remove_initiator(int); +int dma_set_channel(int); +int dma_get_channel(int); +void dma_remove_channel(int); +int dma_set_channel_fec(int requestor); +int dma_connect(int channel, int address); +int dma_disconnect(int channel); +void dma_remove_channel_by_number(int channel); +int dma_init(void); +#endif /* CONFIG_MCD_DMA */ + +#endif + #ifdef CONFIG_PCI extern int isa_dma_bridge_buggy; #else diff --git a/arch/m68k/include/asm/m54xxdma.h b/arch/m68k/include/asm/m54xxdma.h new file mode 100644 index 0000000..9f0fd57 --- /dev/null +++ b/arch/m68k/include/asm/m54xxdma.h @@ -0,0 +1,97 @@ +/* + * m54xxdma.h -- ColdFire 547x/548x DMA controller support. + * Copyright 2007-2009 Freescale Semiconductor, Inc. All Rights Reserved. + */ +#ifndef __M54XXDMA_H__ +#define __M54XXDMA_H__ + +/* Register read/write macros */ +#define MCF_DMA_DIPR (*(volatile unsigned long *)(CONFIG_MBAR + 0x008014)) +#define MCF_DMA_DIMR (*(volatile unsigned long *)(CONFIG_MBAR + 0x008018)) +#define MCF_DMA_IMCR (*(volatile unsigned long *)(CONFIG_MBAR + 0x00805C)) + +/* Bit definitions and macros for MCF_DMA_DIPR */ +#define MCF_DMA_DIPR_TASK0 (0x00000001) +#define MCF_DMA_DIPR_TASK1 (0x00000002) +#define MCF_DMA_DIPR_TASK2 (0x00000004) +#define MCF_DMA_DIPR_TASK3 (0x00000008) +#define MCF_DMA_DIPR_TASK4 (0x00000010) +#define MCF_DMA_DIPR_TASK5 (0x00000020) +#define MCF_DMA_DIPR_TASK6 (0x00000040) +#define MCF_DMA_DIPR_TASK7 (0x00000080) +#define MCF_DMA_DIPR_TASK8 (0x00000100) +#define MCF_DMA_DIPR_TASK9 (0x00000200) +#define MCF_DMA_DIPR_TASK10 (0x00000400) +#define MCF_DMA_DIPR_TASK11 (0x00000800) +#define MCF_DMA_DIPR_TASK12 (0x00001000) +#define MCF_DMA_DIPR_TASK13 (0x00002000) +#define MCF_DMA_DIPR_TASK14 (0x00004000) +#define MCF_DMA_DIPR_TASK15 (0x00008000) + +/* Bit definitions and macros for MCF_DMA_DIMR */ +#define MCF_DMA_DIMR_TASK0 (0x00000001) +#define MCF_DMA_DIMR_TASK1 (0x00000002) +#define MCF_DMA_DIMR_TASK2 (0x00000004) +#define MCF_DMA_DIMR_TASK3 (0x00000008) +#define MCF_DMA_DIMR_TASK4 (0x00000010) +#define MCF_DMA_DIMR_TASK5 (0x00000020) +#define MCF_DMA_DIMR_TASK6 (0x00000040) +#define MCF_DMA_DIMR_TASK7 (0x00000080) +#define MCF_DMA_DIMR_TASK8 (0x00000100) +#define MCF_DMA_DIMR_TASK9 (0x00000200) +#define MCF_DMA_DIMR_TASK10 (0x00000400) +#define MCF_DMA_DIMR_TASK11 (0x00000800) +#define MCF_DMA_DIMR_TASK12 (0x00001000) +#define MCF_DMA_DIMR_TASK13 (0x00002000) +#define MCF_DMA_DIMR_TASK14 (0x00004000) +#define MCF_DMA_DIMR_TASK15 (0x00008000) + +/* Bit definitions and macros for MCF_DMA_IMCR */ +#define MCF_DMA_IMCR_SRC16(x) (((x)&0x00000003)<<0) +#define MCF_DMA_IMCR_SRC17(x) (((x)&0x00000003)<<2) +#define MCF_DMA_IMCR_SRC18(x) (((x)&0x00000003)<<4) +#define MCF_DMA_IMCR_SRC19(x) (((x)&0x00000003)<<6) +#define MCF_DMA_IMCR_SRC20(x) (((x)&0x00000003)<<8) +#define MCF_DMA_IMCR_SRC21(x) (((x)&0x00000003)<<10) +#define MCF_DMA_IMCR_SRC22(x) (((x)&0x00000003)<<12) +#define MCF_DMA_IMCR_SRC23(x) (((x)&0x00000003)<<14) +#define MCF_DMA_IMCR_SRC24(x) (((x)&0x00000003)<<16) +#define MCF_DMA_IMCR_SRC25(x) (((x)&0x00000003)<<18) +#define MCF_DMA_IMCR_SRC26(x) (((x)&0x00000003)<<20) +#define MCF_DMA_IMCR_SRC27(x) (((x)&0x00000003)<<22) +#define MCF_DMA_IMCR_SRC28(x) (((x)&0x00000003)<<24) +#define MCF_DMA_IMCR_SRC29(x) (((x)&0x00000003)<<26) +#define MCF_DMA_IMCR_SRC30(x) (((x)&0x00000003)<<28) +#define MCF_DMA_IMCR_SRC31(x) (((x)&0x00000003)<<30) +#define MCF_DMA_IMCR_SRC16_FEC0RX (0x00000000) +#define MCF_DMA_IMCR_SRC17_FEC0TX (0x00000000) +#define MCF_DMA_IMCR_SRC18_FEC0RX (0x00000020) +#define MCF_DMA_IMCR_SRC19_FEC0TX (0x00000080) +#define MCF_DMA_IMCR_SRC20_FEC1RX (0x00000100) +#define MCF_DMA_IMCR_SRC21_DREQ1 (0x00000000) +#define MCF_DMA_IMCR_SRC21_FEC1TX (0x00000400) +#define MCF_DMA_IMCR_SRC22_FEC0RX (0x00001000) +#define MCF_DMA_IMCR_SRC23_FEC0TX (0x00004000) +#define MCF_DMA_IMCR_SRC24_CTM0 (0x00010000) +#define MCF_DMA_IMCR_SRC24_FEC1RX (0x00020000) +#define MCF_DMA_IMCR_SRC25_CTM1 (0x00040000) +#define MCF_DMA_IMCR_SRC25_FEC1TX (0x00080000) +#define MCF_DMA_IMCR_SRC26_USBEP4 (0x00000000) +#define MCF_DMA_IMCR_SRC26_CTM2 (0x00200000) +#define MCF_DMA_IMCR_SRC27_USBEP5 (0x00000000) +#define MCF_DMA_IMCR_SRC27_CTM3 (0x00800000) +#define MCF_DMA_IMCR_SRC28_USBEP6 (0x00000000) +#define MCF_DMA_IMCR_SRC28_CTM4 (0x01000000) +#define MCF_DMA_IMCR_SRC28_DREQ1 (0x02000000) +#define MCF_DMA_IMCR_SRC28_PSC2RX (0x03000000) +#define MCF_DMA_IMCR_SRC29_DREQ1 (0x04000000) +#define MCF_DMA_IMCR_SRC29_CTM5 (0x08000000) +#define MCF_DMA_IMCR_SRC29_PSC2TX (0x0C000000) +#define MCF_DMA_IMCR_SRC30_FEC1RX (0x00000000) +#define MCF_DMA_IMCR_SRC30_CTM6 (0x10000000) +#define MCF_DMA_IMCR_SRC30_PSC3RX (0x30000000) +#define MCF_DMA_IMCR_SRC31_FEC1TX (0x00000000) +#define MCF_DMA_IMCR_SRC31_CTM7 (0x80000000) +#define MCF_DMA_IMCR_SRC31_PSC3TX (0xC0000000) + +#endif /* __M54XXDMA_H__ */ diff --git a/arch/m68k/include/asm/m54xxsram.h b/arch/m68k/include/asm/m54xxsram.h new file mode 100644 index 0000000..5bd3de3 --- /dev/null +++ b/arch/m68k/include/asm/m54xxsram.h @@ -0,0 +1,11 @@ +#ifndef _M54XXSRAM_H_ +#define _M54XXSRAM_H_ + +#define SYS_SRAM_DMA_START (MCF_MBAR + 0x10000) +#define SYS_SRAM_DMA_SIZE 8192 +#define SYS_SRAM_FEC_START (SYS_SRAM_DMA_START + SYS_SRAM_DMA_SIZE) +#define SYS_SRAM_FEC_SIZE 2048 +#define SYS_SRAM_SEC_START (SYS_SRAM_FEC_START + SYS_SRAM_FEC_SIZE) +#define SYS_SRAM_SEC_SIZE 1280 + +#endif /* _M54XXSRAM_H_ */ diff --git a/arch/m68k/platform/coldfire/MCD_dma.h b/arch/m68k/platform/coldfire/MCD_dma.h new file mode 100644 index 0000000..e3e9ac9 --- /dev/null +++ b/arch/m68k/platform/coldfire/MCD_dma.h @@ -0,0 +1,431 @@ +/* + * drivers/dma/MCD_dma.h + * + * Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved. + * Kurt Mahan + * Shrek Wu b16972@freescale.com + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#ifndef _MCD_API_H +#define _MCD_API_H + +/* + * Turn Execution Unit tasks ON (#define) or OFF (#undef) + */ +#undef MCD_INCLUDE_EU + +/* + * Number of DMA channels + */ +#define NCHANNELS 16 + +/* + * Total number of variants + */ +#ifdef MCD_INCLUDE_EU +#define NUMOFVARIANTS 6 +#else +#define NUMOFVARIANTS 4 +#endif + +/* + * Define sizes of the various tables + */ +#define TASK_TABLE_SIZE (NCHANNELS*32) +#define VAR_TAB_SIZE (128) +#define CONTEXT_SAVE_SIZE (128) +#define FUNCDESC_TAB_SIZE (256) + +#ifdef MCD_INCLUDE_EU +#define FUNCDESC_TAB_NUM 16 +#else +#define FUNCDESC_TAB_NUM 1 +#endif + + +#ifndef DEFINESONLY + +/* + * Portability typedefs + */ +typedef int s32; +typedef unsigned int u32; +typedef short s16; +typedef unsigned short u16; +typedef char s8; +typedef unsigned char u8; + +/* + * These structures represent the internal registers of the + * multi-channel DMA + */ +struct dmaRegs_s { + u32 taskbar; /* task table base address register */ + u32 currPtr; + u32 endPtr; + u32 varTablePtr; + u16 dma_rsvd0; + u16 ptdControl; /* ptd control */ + u32 intPending; /* interrupt pending register */ + u32 intMask; /* interrupt mask register */ + u16 taskControl[16]; /* task control registers */ + u8 priority[32]; /* priority registers */ + u32 initiatorMux; /* initiator mux control */ + u32 taskSize0; /* task size control register 0. */ + u32 taskSize1; /* task size control register 1. */ + u32 dma_rsvd1; /* reserved */ + u32 dma_rsvd2; /* reserved */ + u32 debugComp1; /* debug comparator 1 */ + u32 debugComp2; /* debug comparator 2 */ + u32 debugControl; /* debug control */ + u32 debugStatus; /* debug status */ + u32 ptdDebug; /* priority task decode debug */ + u32 dma_rsvd3[31]; /* reserved */ +}; +typedef volatile struct dmaRegs_s dmaRegs; + +#endif + +/* + * PTD contrl reg bits + */ +#define PTD_CTL_TSK_PRI 0x8000 +#define PTD_CTL_COMM_PREFETCH 0x0001 + +/* + * Task Control reg bits and field masks + */ +#define TASK_CTL_EN 0x8000 +#define TASK_CTL_VALID 0x4000 +#define TASK_CTL_ALWAYS 0x2000 +#define TASK_CTL_INIT_MASK 0x1f00 +#define TASK_CTL_ASTRT 0x0080 +#define TASK_CTL_HIPRITSKEN 0x0040 +#define TASK_CTL_HLDINITNUM 0x0020 +#define TASK_CTL_ASTSKNUM_MASK 0x000f + +/* + * Priority reg bits and field masks + */ +#define PRIORITY_HLD 0x80 +#define PRIORITY_PRI_MASK 0x07 + +/* + * Debug Control reg bits and field masks + */ +#define DBG_CTL_BLOCK_TASKS_MASK 0xffff0000 +#define DBG_CTL_AUTO_ARM 0x00008000 +#define DBG_CTL_BREAK 0x00004000 +#define DBG_CTL_COMP1_TYP_MASK 0x00003800 +#define DBG_CTL_COMP2_TYP_MASK 0x00000070 +#define DBG_CTL_EXT_BREAK 0x00000004 +#define DBG_CTL_INT_BREAK 0x00000002 + +/* + * PTD Debug reg selector addresses + * This reg must be written with a value to show the contents of + * one of the desired internal register. + */ +#define PTD_DBG_REQ 0x00 +/* shows the state of 31 initiators */ +#define PTD_DBG_TSK_VLD_INIT 0x01 +/* shows which 16 tasks are valid and + * have initiators asserted */ + + +/* + * General return values + */ +#define MCD_OK 0 +#define MCD_ERROR -1 +#define MCD_TABLE_UNALIGNED -2 +#define MCD_CHANNEL_INVALID -3 + +/* + * MCD_initDma input flags + */ +#define MCD_RELOC_TASKS 0x00000001 +#define MCD_NO_RELOC_TASKS 0x00000000 +#define MCD_COMM_PREFETCH_EN 0x00000002 +/* Commbus Prefetching - MCF547x/548x ONLY */ + +/* + * MCD_dmaStatus Status Values for each channel + */ +#define MCD_NO_DMA 1 +/* No DMA has been requested since reset */ +#define MCD_IDLE 2 +/* DMA active, but the initiator is currently inactive */ +#define MCD_RUNNING 3 +/* DMA active, and the initiator is currently active */ +#define MCD_PAUSED 4 +/* DMA active but it is currently paused */ +#define MCD_HALTED 5 +/* the most recent DMA has been killed with MCD_killTask() */ +#define MCD_DONE 6 +/* the most recent DMA has completed. */ + + +/* + * MCD_startDma parameter defines + */ + +/* + * Constants for the funcDesc parameter + */ +/* Byte swapping: */ +#define MCD_NO_BYTE_SWAP 0x00045670 +/* to disable byte swapping. */ +#define MCD_BYTE_REVERSE 0x00076540 +/* to reverse the bytes of each u32 of the DMAed data. */ +#define MCD_U16_REVERSE 0x00067450 +/* to reverse the 16-bit halves of + * each 32-bit data value being DMAed.*/ +#define MCD_U16_BYTE_REVERSE 0x00054760 +/* to reverse the byte halves of each + * 16-bit half of each 32-bit data value DMAed */ +#define MCD_NO_BIT_REV 0x00000000 +/* do not reverse the bits of each byte DMAed. */ +#define MCD_BIT_REV 0x00088880 +/* reverse the bits of each byte DMAed */ +/* CRCing: */ +#define MCD_CRC16 0xc0100000 +/* to perform CRC-16 on DMAed data. */ +#define MCD_CRCCCITT 0xc0200000 +/* to perform CRC-CCITT on DMAed data. */ +#define MCD_CRC32 0xc0300000 +/* to perform CRC-32 on DMAed data. */ +#define MCD_CSUMINET 0xc0400000 +/* to perform internet checksums on DMAed data.*/ +#define MCD_NO_CSUM 0xa0000000 +/* to perform no checksumming. */ + +#define MCD_FUNC_NOEU1 (MCD_NO_BYTE_SWAP | MCD_NO_BIT_REV | MCD_NO_CSUM) +#define MCD_FUNC_NOEU2 (MCD_NO_BYTE_SWAP | MCD_NO_CSUM) + +/* + * Constants for the flags parameter + */ +#define MCD_TT_FLAGS_RL 0x00000001 /* Read line */ +#define MCD_TT_FLAGS_CW 0x00000002 /* Combine Writes */ +#define MCD_TT_FLAGS_SP 0x00000004 +/* Speculative prefetch(XLB) MCF547x/548x ONLY */ +#define MCD_TT_FLAGS_PI 0x00000040 /* Precise Increment */ +#define MCD_TT_FLAGS_MASK 0x000000ff +#define MCD_TT_FLAGS_DEF (MCD_TT_FLAGS_RL | MCD_TT_FLAGS_CW) + +#define MCD_SINGLE_DMA 0x00000100 /* Unchained DMA */ +#define MCD_CHAIN_DMA /* TBD */ +#define MCD_EU_DMA /* TBD */ +#define MCD_FECTX_DMA 0x00001000 /* FEC TX ring DMA */ +#define MCD_FECRX_DMA 0x00002000 /* FEC RX ring DMA */ + + +/* these flags are valid for MCD_startDma + * and the chained buffer descriptors */ +#define MCD_BUF_READY 0x80000000 +/* indicates that this buffer is now + * under the DMA's control */ +#define MCD_WRAP 0x20000000 +/* to tell the FEC Dmas to wrap to the first BD */ +#define MCD_INTERRUPT 0x10000000 +/* to generate an interrupt after completion of the DMA. */ +#define MCD_END_FRAME 0x08000000 +/* tell the DMA to end the frame when transferring + * last byte of data in buffer */ +#define MCD_CRC_RESTART 0x40000000 +/* to empty out the accumulated checksum + prior to performing the DMA. */ + +/* Defines for the FEC buffer descriptor control/status word*/ +#define MCD_FEC_BUF_READY 0x8000 +#define MCD_FEC_WRAP 0x2000 +#define MCD_FEC_INTERRUPT 0x1000 +#define MCD_FEC_END_FRAME 0x0800 + + +/* + * Defines for general intuitiveness + */ + +#define MCD_TRUE 1 +#define MCD_FALSE 0 + +/* + * Three different cases for destination and source. + */ +#define MINUS1 -1 +#define ZERO 0 +#define PLUS1 1 + +#ifndef DEFINESONLY + +/* Task Table Entry struct*/ +typedef struct { + u32 TDTstart; /* task descriptor table start */ + u32 TDTend; /* task descriptor table end */ + u32 varTab; /* variable table start */ + u32 FDTandFlags; /* function descriptor table start and flags */ + volatile u32 descAddrAndStatus; + volatile u32 modifiedVarTab; + u32 contextSaveSpace; /* context save space start */ + u32 literalBases; +} TaskTableEntry; + + +/* Chained buffer descriptor */ +typedef volatile struct MCD_bufDesc_struct MCD_bufDesc; +struct MCD_bufDesc_struct { + u32 flags; +/* flags describing the DMA */ + u32 csumResult; +/* checksum from checksumming performed since last checksum reset */ + s8 *srcAddr; +/* the address to move data from */ + s8 *destAddr; +/* the address to move data to */ + s8 *lastDestAddr; +/* the last address written to */ + u32 dmaSize; +/* the number of bytes to transfer independent of the transfer size */ + MCD_bufDesc *next; +/* next buffer descriptor in chain */ + u32 info; +/* private information about this descriptor; DMA does not affect it */ +}; + +/* Progress Query struct */ +typedef volatile struct MCD_XferProg_struct { + s8 *lastSrcAddr; +/* the most-recent or last, post-increment source address */ + s8 *lastDestAddr; +/* the most-recent or last, post-increment destination address */ + u32 dmaSize; +/* the amount of data transferred for the current buffer */ + MCD_bufDesc *currBufDesc; +/* pointer to the current buffer descriptor being DMAed */ +} MCD_XferProg; + + +/* FEC buffer descriptor */ +typedef volatile struct MCD_bufDescFec_struct { + u16 statCtrl; + u16 length; + u32 dataPointer; +} MCD_bufDescFec; + + +/*************************************************************************/ +/* + * API function Prototypes - see MCD_dmaApi.c for further notes + */ + +/* + * MCD_startDma starts a particular kind of DMA . + */ +int MCD_startDma( + int channel, +/* the channel on which to run the DMA */ + s8 *srcAddr, +/* the address to move data from, or buffer-descriptor address */ + s16 srcIncr, +/* the amount to increment the source address per transfer */ + s8 *destAddr, +/* the address to move data to */ + s16 destIncr, +/* the amount to increment the destination address per transfer */ + u32 dmaSize, +/* the number of bytes to transfer independent of the transfer size */ + u32 xferSize, +/* the number bytes in of each data movement (1, 2, or 4) */ + u32 initiator, +/* what device initiates the DMA */ + int priority, +/* priority of the DMA */ + u32 flags, +/* flags describing the DMA */ + u32 funcDesc +/* a description of byte swapping, bit swapping, and CRC actions */ +); + +/* + * MCD_initDma() initializes the DMA API by setting up a pointer to the DMA + * registers, relocating and creating the appropriate task structures, and + * setting up some global settings + */ +int MCD_initDma(dmaRegs *sDmaBarAddr, void *taskTableDest, u32 flags); + +/* + * MCD_dmaStatus() returns the status of the DMA on the requested channel. + */ +int MCD_dmaStatus(int channel); + +/* + * MCD_XferProgrQuery() returns progress of DMA on requested channel + */ +int MCD_XferProgrQuery(int channel, MCD_XferProg *progRep); + +/* + * MCD_killDma() halts the DMA on the requested channel, without any + * intention of resuming the DMA. + */ +int MCD_killDma(int channel); + +/* + * MCD_continDma() continues a DMA which as stopped due to encountering an + * unready buffer descriptor. + */ +int MCD_continDma(int channel); + +/* + * MCD_pauseDma() pauses the DMA on the given channel ( if any DMA is + * running on that channel). + */ +int MCD_pauseDma(int channel); + +/* + * MCD_resumeDma() resumes the DMA on a given channel (if any DMA is + * running on that channel). + */ +int MCD_resumeDma(int channel); + +/* + * MCD_csumQuery provides the checksum/CRC after performing a non-chained DMA + */ +int MCD_csumQuery(int channel, u32 *csum); + +/* + * MCD_getCodeSize provides the packed size required by the microcoded task + * and structures. + */ +int MCD_getCodeSize(void); + +/* + * MCD_getVersion provides a pointer to a version string and returns a + * version number. + */ +int MCD_getVersion(char **longVersion); + +/* macro for setting a location in the variable table */ +#define MCD_SET_VAR(taskTab, idx, value) \ + ((u32 *)(taskTab)->varTab)[idx] = value + /* Note that MCD_SET_VAR() is invoked many times in firing up a DMA function, + so I'm avoiding surrounding it with "do {} while(0)" */ + +#endif /* DEFINESONLY */ + +#endif /* _MCD_API_H */ diff --git a/arch/m68k/platform/coldfire/MCD_dmaApi.c b/arch/m68k/platform/coldfire/MCD_dmaApi.c new file mode 100644 index 0000000..9609d0c --- /dev/null +++ b/arch/m68k/platform/coldfire/MCD_dmaApi.c @@ -0,0 +1,1045 @@ +/* + * drivers/dma/MCD_dmaApi.c + * + * Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved. + * Kurt Mahan + * Shrek Wu b16972@freescale.com + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include "MCD_dma.h" +#include "MCD_tasksInit.h" +#include "MCD_progCheck.h" + +/********************************************************************/ +/* + * This is an API-internal pointer to the DMA's registers + */ +dmaRegs *MCD_dmaBar; + +/* + * These are the real and model task tables as generated by the + * build process + */ +extern TaskTableEntry MCD_realTaskTableSrc[NCHANNELS]; +extern TaskTableEntry MCD_modelTaskTableSrc[NUMOFVARIANTS]; + +/* + * However, this (usually) gets relocated to on-chip SRAM, at which + * point we access them as these tables + */ +volatile TaskTableEntry *MCD_taskTable; +TaskTableEntry *MCD_modelTaskTable; + + +/* + * MCD_chStatus[] is an array of status indicators for remembering + * whether a DMA has ever been attempted on each channel, pausing + * status, etc. + */ +static int MCD_chStatus[NCHANNELS] = +{ + MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA, + MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA, + MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA, + MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA, MCD_NO_DMA +}; + +/* + * Prototypes for local functions + */ +static void MCD_memcpy(int *dest, int *src, u32 size); +static void MCD_resmActions(int channel); + +/* + * Buffer descriptors used for storage of progress info for single Dmas + * Also used as storage for the DMA for CRCs for single DMAs + * Otherwise, the DMA does not parse these buffer descriptors + */ +#ifdef MCD_INCLUDE_EU +extern MCD_bufDesc MCD_singleBufDescs[NCHANNELS]; +#else +MCD_bufDesc MCD_singleBufDescs[NCHANNELS]; +#endif +MCD_bufDesc *MCD_relocBuffDesc; + + +/* + * Defines for the debug control register's functions + */ +#define DBG_CTL_COMP1_TASK (0x00002000) +/* have comparator 1 look for a task # */ +#define DBG_CTL_ENABLE (DBG_CTL_AUTO_ARM | \ + DBG_CTL_BREAK | \ + DBG_CTL_INT_BREAK | \ + DBG_CTL_COMP1_TASK) +#define DBG_CTL_DISABLE (DBG_CTL_AUTO_ARM | \ + DBG_CTL_INT_BREAK | \ + DBG_CTL_COMP1_TASK) +#define DBG_KILL_ALL_STAT (0xFFFFFFFF) + +/* + * Offset to context save area where progress info is stored + */ +#define CSAVE_OFFSET 10 + +/* + * Defines for Byte Swapping + */ +#define MCD_BYTE_SWAP_KILLER 0xFFF8888F +#define MCD_NO_BYTE_SWAP_ATALL 0x00040000 + +/* + * Execution Unit Identifiers + */ +#define MAC 0 /* legacy - not used */ +#define LUAC 1 /* legacy - not used */ +#define CRC 2 /* legacy - not used */ +#define LURC 3 /* Logic Unit with CRC */ + +/* + * Task Identifiers + */ +#define TASK_CHAINNOEU 0 +#define TASK_SINGLENOEU 1 +#ifdef MCD_INCLUDE_EU +#define TASK_CHAINEU 2 +#define TASK_SINGLEEU 3 +#define TASK_FECRX 4 +#define TASK_FECTX 5 +#else +#define TASK_CHAINEU 0 +#define TASK_SINGLEEU 1 +#define TASK_FECRX 2 +#define TASK_FECTX 3 +#endif + +/* + * Structure to remember which variant is on which channel + */ +typedef struct MCD_remVariants_struct MCD_remVariant; +struct MCD_remVariants_struct { + int remDestRsdIncr[NCHANNELS]; /* -1,0,1 */ + int remSrcRsdIncr[NCHANNELS]; /* -1,0,1 */ + s16 remDestIncr[NCHANNELS]; /* DestIncr */ + s16 remSrcIncr[NCHANNELS]; /* srcIncr */ + u32 remXferSize[NCHANNELS]; /* xferSize */ +}; + +/* + * Structure to remember the startDma parameters for each channel + */ +MCD_remVariant MCD_remVariants; + +/********************************************************************/ +/* + * Function: MCD_initDma + * Purpose: Initializes the DMA API by setting up a pointer to the DMA + * registers, relocating and creating the appropriate task + * structures, and setting up some global settings + * Arguments: + * dmaBarAddr - pointer to the multichannel DMA registers + * taskTableDest - location to move DMA task code and structs to + * flags - operational parameters + * Return Value: + * MCD_TABLE_UNALIGNED if taskTableDest is not 512-byte aligned + * MCD_OK otherwise + */ +extern u32 MCD_funcDescTab0[]; + +int MCD_initDma(dmaRegs *dmaBarAddr, void *taskTableDest, u32 flags) +{ + int i; + TaskTableEntry *entryPtr; + + /* Setup the local pointer to register set */ + MCD_dmaBar = dmaBarAddr; + + /* Do we need to move/create a task table */ + if ((flags & MCD_RELOC_TASKS) != 0) { + int fixedSize; + u32 *fixedPtr; + int varTabsOffset, funcDescTabsOffset; + int contextSavesOffset; + int taskDescTabsOffset; + int taskTableSize, varTabsSize; + int funcDescTabsSize, contextSavesSize; + int taskDescTabSize; + int i; + + /* Check if physical address is + * aligned on 512 byte boundary */ + if (((u32)taskTableDest & 0x000001ff) != 0) + return MCD_TABLE_UNALIGNED; + + MCD_taskTable = taskTableDest; + /* set up local pointer to task Table */ + + /* + * Create a task table: + * compute aligned base offsets for variable tables and + * function descriptor tables, then + * loop through the task table and setup the pointers + *copy over model task table with the the actual + *task descriptor tables + */ + taskTableSize = NCHANNELS * sizeof(TaskTableEntry); + /* Align variable tables to size */ + varTabsOffset = taskTableSize + (u32)taskTableDest; + if ((varTabsOffset & (VAR_TAB_SIZE - 1)) != 0) + varTabsOffset = (varTabsOffset + VAR_TAB_SIZE) + & (~VAR_TAB_SIZE); + /* Align function descriptor tables */ + varTabsSize = NCHANNELS * VAR_TAB_SIZE; + funcDescTabsOffset = varTabsOffset + varTabsSize; + + if ((funcDescTabsOffset & (FUNCDESC_TAB_SIZE - 1)) != 0) + funcDescTabsOffset = (funcDescTabsOffset + + FUNCDESC_TAB_SIZE) & + (~FUNCDESC_TAB_SIZE); + + funcDescTabsSize = FUNCDESC_TAB_NUM * FUNCDESC_TAB_SIZE; + contextSavesOffset = funcDescTabsOffset + + funcDescTabsSize; + contextSavesSize = (NCHANNELS * CONTEXT_SAVE_SIZE); + fixedSize = taskTableSize + varTabsSize + + funcDescTabsSize + contextSavesSize; + + /* Zero the thing out */ + fixedPtr = (u32 *)taskTableDest; + for (i = 0; i < (fixedSize/4); i++) + fixedPtr[i] = 0; + + entryPtr = (TaskTableEntry *)MCD_taskTable; + /* Set up fixed pointers */ + for (i = 0; i < NCHANNELS; i++) { + entryPtr[i].varTab = (u32)varTabsOffset; + /* update ptr to local value */ + entryPtr[i].FDTandFlags = + (u32)funcDescTabsOffset | MCD_TT_FLAGS_DEF; + entryPtr[i].contextSaveSpace = + (u32)contextSavesOffset; + varTabsOffset += VAR_TAB_SIZE; +#ifdef MCD_INCLUDE_EU + /* if not there is only one, + * just point to the same one */ + funcDescTabsOffset += FUNCDESC_TAB_SIZE; +#endif + contextSavesOffset += CONTEXT_SAVE_SIZE; + } + /* Copy over the function descriptor table */ + for (i = 0; i < FUNCDESC_TAB_NUM; i++) { + MCD_memcpy((void *)(entryPtr[i].FDTandFlags + & ~MCD_TT_FLAGS_MASK), + (void *)MCD_funcDescTab0, + FUNCDESC_TAB_SIZE); + } + + /* Copy model task table to where the + * context save stuff leaves off */ + MCD_modelTaskTable = + (TaskTableEntry *)contextSavesOffset; + + MCD_memcpy((void *)MCD_modelTaskTable, + (void *)MCD_modelTaskTableSrc, + NUMOFVARIANTS * sizeof(TaskTableEntry)); + + /* Point to local version of model task table */ + entryPtr = MCD_modelTaskTable; + taskDescTabsOffset = (u32)MCD_modelTaskTable + + (NUMOFVARIANTS * sizeof(TaskTableEntry)); + + /* Copy actual task code and update TDT ptrs + * in local model task table */ + for (i = 0; i < NUMOFVARIANTS; i++) { + taskDescTabSize = entryPtr[i].TDTend + - entryPtr[i].TDTstart + 4; + MCD_memcpy((void *)taskDescTabsOffset, + (void *)entryPtr[i].TDTstart, + taskDescTabSize); + entryPtr[i].TDTstart = + (u32)taskDescTabsOffset; + taskDescTabsOffset += taskDescTabSize; + entryPtr[i].TDTend = + (u32)taskDescTabsOffset - 4; + } +#ifdef MCD_INCLUDE_EU + /* + * Tack single DMA BDs onto end of + * code so API controls where + * they are since DMA might write to them + */ + MCD_relocBuffDesc = (MCD_bufDesc *) + (entryPtr[NUMOFVARIANTS - 1].TDTend + 4); +#else + /* + * DMA does not touch them so they + * can be wherever and we don't need to + * waste SRAM on them + */ + MCD_relocBuffDesc = MCD_singleBufDescs; +#endif + } else { + /* + * Point the would-be relocated task tables and + * the buffer descriptors + * to the ones the linker generated + */ + if (((u32)MCD_realTaskTableSrc & 0x000001ff) != 0) + return MCD_TABLE_UNALIGNED; + + entryPtr = MCD_realTaskTableSrc; + for (i = 0; i < NCHANNELS; i++) { + if (((entryPtr[i].varTab + & (VAR_TAB_SIZE - 1)) != 0) || + ((entryPtr[i].FDTandFlags & + (FUNCDESC_TAB_SIZE - 1)) != 0)) + return MCD_TABLE_UNALIGNED; + } + + MCD_taskTable = MCD_realTaskTableSrc; + MCD_modelTaskTable = MCD_modelTaskTableSrc; + MCD_relocBuffDesc = MCD_singleBufDescs; + } + + /* Make all channels inactive, + * and remember them as such: */ + MCD_dmaBar->taskbar = (u32) MCD_taskTable; + for (i = 0; i < NCHANNELS; i++) { + MCD_dmaBar->taskControl[i] = 0x0; + MCD_chStatus[i] = MCD_NO_DMA; + } + + /* Set up pausing mechanism to inactive state: */ + MCD_dmaBar->debugComp1 = 0; + MCD_dmaBar->debugComp2 = 0; + MCD_dmaBar->debugControl = DBG_CTL_DISABLE; + MCD_dmaBar->debugStatus = DBG_KILL_ALL_STAT; + + /* Enable or disable commbus prefetch */ + if ((flags & MCD_COMM_PREFETCH_EN) != 0) + MCD_dmaBar->ptdControl &= ~PTD_CTL_COMM_PREFETCH; + else + MCD_dmaBar->ptdControl |= PTD_CTL_COMM_PREFETCH; + + return MCD_OK; +} +/*********************** End of MCD_initDma() ***********************/ + +/********************************************************************/ +/* Function: MCD_dmaStatus + * Purpose: Returns the status of the DMA on the requested channel + * Arguments: channel - channel number + * Returns: Predefined status indicators + */ +int MCD_dmaStatus(int channel) +{ + u16 tcrValue; + + if ((channel < 0) || (channel >= NCHANNELS)) + return MCD_CHANNEL_INVALID; + + tcrValue = MCD_dmaBar->taskControl[channel]; + if ((tcrValue & TASK_CTL_EN) == 0) { + /* Nothing running if last reported + * with task enabled */ + if (MCD_chStatus[channel] == MCD_RUNNING + || MCD_chStatus[channel] == MCD_IDLE) + MCD_chStatus[channel] = MCD_DONE; + } else /* something is running */{ + /* There are three possibilities: + * paused, running or idle. */ + if (MCD_chStatus[channel] == MCD_RUNNING + || MCD_chStatus[channel] == MCD_IDLE) { + MCD_dmaBar->ptdDebug = PTD_DBG_TSK_VLD_INIT; + /* Determine which initiator + * is asserted. */ + if ((MCD_dmaBar->ptdDebug >> channel) & 0x1) + MCD_chStatus[channel] = MCD_RUNNING; + else + MCD_chStatus[channel] = MCD_IDLE; + /* Do not change the status if it is already paused */ + } + } + return MCD_chStatus[channel]; +} +/******************** End of MCD_dmaStatus() ************************/ + +/********************************************************************/ +/* Function: MCD_startDma + * Ppurpose: Starts a particular kind of DMA + * Arguments: see below + * Returns: MCD_CHANNEL_INVALID if channel is invalid, else MCD_OK + */ + +int MCD_startDma( + int channel, +/* the channel on which to run the DMA */ + s8 *srcAddr, +/* the address to move data from, + * or physical buffer-descriptor address */ + s16 srcIncr, +/* the amount to increment the source + * address per transfer */ + s8 *destAddr, +/* the address to move data to */ + s16 destIncr, +/* the amount to increment the + * destination address per transfer */ + u32 dmaSize, +/* the number of bytes to transfer + * independent of the transfer size */ + u32 xferSize, +/* the number bytes in of each data + * movement (1, 2, or 4) */ + u32 initiator, +/* what device initiates the DMA */ + int priority, +/* priority of the DMA */ + u32 flags, +/* flags describing the DMA */ + u32 funcDesc +/* a description of byte swapping, + * bit swapping, and CRC actions */ +#ifdef MCD_NEED_ADDR_TRANS + s8 *srcAddrVirt +/* virtual buffer descriptor address TBD*/ +#endif +) +{ + int srcRsdIncr, destRsdIncr; + int *cSave; + short xferSizeIncr; + int tcrCount = 0; +#ifdef MCD_INCLUDE_EU + u32 *realFuncArray; +#endif + + if ((channel < 0) || (channel >= NCHANNELS)) + return MCD_CHANNEL_INVALID; + +#ifndef MCD_INCLUDE_EU + funcDesc = MCD_FUNC_NOEU1; +#endif + +#ifdef MCD_DEBUG + printf("startDma:Setting up params\n"); +#endif + + /* Enable task-wise priority */ + MCD_dmaBar->ptdControl |= (u16) 0x8000; + + /* Calculate additional parameters + * to the regular DMA calls. */ + srcRsdIncr = srcIncr < 0 ? -1 : (srcIncr > 0 ? 1 : 0); + destRsdIncr = destIncr < 0 ? -1 : (destIncr > 0 ? 1 : 0); + xferSizeIncr = (xferSize & 0xffff) | 0x20000000; + + /* Remember which variant is running for each channel */ + MCD_remVariants.remSrcRsdIncr[channel] = srcRsdIncr; + MCD_remVariants.remDestRsdIncr[channel] = destRsdIncr; + MCD_remVariants.remDestIncr[channel] = destIncr; + MCD_remVariants.remSrcIncr[channel] = srcIncr; + MCD_remVariants.remXferSize[channel] = xferSize; + + cSave = (int *)(MCD_taskTable[channel].contextSaveSpace) + + CSAVE_OFFSET + + CURRBD; + +#ifdef MCD_INCLUDE_EU + realFuncArray = (u32 *)(MCD_taskTable[channel].FDTandFlags + & 0xffffff00); + + /* + * Modify the LURC's normal and byte-residue-loop functions + * according to parameter. + */ + switch (xferSize) { + case 4: + realFuncArray[(LURC*16)] = funcDesc; + break; + case 2: + realFuncArray[(LURC*16)] = funcDesc & 0xfffff00f; + break; + case 1: + default: + realFuncArray[(LURC*16)] = funcDesc & 0xffff000f; + break; + } + + realFuncArray[(LURC*16 + 1)] = 0 + | (funcDesc & MCD_BYTE_SWAP_KILLER) + | MCD_NO_BYTE_SWAP_ATALL; +#endif + + /* Write the initiator field in the TCR and + * set the initiator-hold bit*/ + MCD_dmaBar->taskControl[channel] = 0 + | (initiator << 8) + | TASK_CTL_HIPRITSKEN + | TASK_CTL_HLDINITNUM; + + /* + * Current versions of the MPC8220 MCD have a hardware quirk that could + * cause the write to the TCR to collide with an MDE access to the + * initiator-register file, so we have to verify that the write occurred + * correctly by reading back the value. On MCF547x/8x devices and any + * future revisions of the MPC8220, this loop will not be entered. + */ + while (((MCD_dmaBar->taskControl[channel] & 0x1fff) != + ((initiator << 8) | TASK_CTL_HIPRITSKEN + | TASK_CTL_HLDINITNUM)) && (tcrCount < 1000)) { + tcrCount++; + MCD_dmaBar->taskControl[channel] = 0 + | (initiator << 8) + | TASK_CTL_HIPRITSKEN + | TASK_CTL_HLDINITNUM; + } + + MCD_dmaBar->priority[channel] = (u8)priority & PRIORITY_PRI_MASK; + + if (channel < 8 && channel >= 0) { + MCD_dmaBar->taskSize0 &= ~(0xf << (7-channel)*4); + MCD_dmaBar->taskSize0 + |= (xferSize & 3) << (((7 - channel)*4) + 2); + MCD_dmaBar->taskSize0 + |= (xferSize & 3) << ((7 - channel)*4); + } else { + MCD_dmaBar->taskSize1 &= ~(0xf << (15-channel)*4); + MCD_dmaBar->taskSize1 + |= (xferSize & 3) << (((15 - channel)*4) + 2); + MCD_dmaBar->taskSize1 + |= (xferSize & 3) << ((15 - channel)*4); + } + + /* Setup task table flags/options */ + MCD_taskTable[channel].FDTandFlags &= ~MCD_TT_FLAGS_MASK; + MCD_taskTable[channel].FDTandFlags |= (MCD_TT_FLAGS_MASK & flags); + + if (flags & MCD_FECTX_DMA) { + /* TDTStart and TDTEnd */ + MCD_taskTable[channel].TDTstart = + MCD_modelTaskTable[TASK_FECTX].TDTstart; + MCD_taskTable[channel].TDTend = + MCD_modelTaskTable[TASK_FECTX].TDTend; + MCD_startDmaENetXmit(srcAddr, srcAddr, destAddr, + MCD_taskTable, channel); + } else if (flags & MCD_FECRX_DMA) { + /* TDTStart and TDTEnd */ + MCD_taskTable[channel].TDTstart = + MCD_modelTaskTable[TASK_FECRX].TDTstart; + MCD_taskTable[channel].TDTend = + MCD_modelTaskTable[TASK_FECRX].TDTend; + MCD_startDmaENetRcv(srcAddr, srcAddr, destAddr, + MCD_taskTable, channel); + } else if (flags & MCD_SINGLE_DMA) { + /* + * This buffer descriptor is used for storing off + * initial parameters for later progress query + * calculation and for the DMA to write the resulting + * checksum. The DMA does not use this to determine how + * to operate, that info is passed with the init routine + */ + MCD_relocBuffDesc[channel].srcAddr = srcAddr; + MCD_relocBuffDesc[channel].destAddr = destAddr; + MCD_relocBuffDesc[channel].lastDestAddr = destAddr; + MCD_relocBuffDesc[channel].dmaSize = dmaSize; + MCD_relocBuffDesc[channel].flags = 0; + /* not used */ + MCD_relocBuffDesc[channel].csumResult = 0; + /* not used */ + MCD_relocBuffDesc[channel].next = 0; + /* not used */ + + /* Initialize the progress-querying stuff + * to show no progress:*/ + ((volatile int *)MCD_taskTable[channel].contextSaveSpace)[ + SRCPTR + CSAVE_OFFSET] = (int)srcAddr; + ((volatile int *)MCD_taskTable[channel].contextSaveSpace)[ + DESTPTR + CSAVE_OFFSET] = (int)destAddr; + ((volatile int *)MCD_taskTable[channel].contextSaveSpace)[ + DCOUNT + CSAVE_OFFSET] = 0; + ((volatile int *)MCD_taskTable[channel].contextSaveSpace)[ + CURRBD + CSAVE_OFFSET] = + (u32) &(MCD_relocBuffDesc[channel]); + + if ((funcDesc == MCD_FUNC_NOEU1) + || (funcDesc == MCD_FUNC_NOEU2)) { + /* TDTStart and TDTEnd */ + MCD_taskTable[channel].TDTstart = + MCD_modelTaskTable[TASK_SINGLENOEU].TDTstart; + MCD_taskTable[channel].TDTend = + MCD_modelTaskTable[TASK_SINGLENOEU].TDTend; + MCD_startDmaSingleNoEu(srcAddr, srcIncr, destAddr, + destIncr, dmaSize, xferSizeIncr, flags, + (int *)&(MCD_relocBuffDesc[channel]), + cSave, MCD_taskTable, channel); + } else { + /* TDTStart and TDTEnd */ + MCD_taskTable[channel].TDTstart = + MCD_modelTaskTable[TASK_SINGLEEU].TDTstart; + MCD_taskTable[channel].TDTend = + MCD_modelTaskTable[TASK_SINGLEEU].TDTend; + MCD_startDmaSingleEu(srcAddr, srcIncr, destAddr, + destIncr, dmaSize, xferSizeIncr, flags, + (int *)&(MCD_relocBuffDesc[channel]), + cSave, MCD_taskTable, channel); + } + } else /* Chained DMA */ { + /* Initialize the progress-querying + * stuff to show no progress:*/ +#if 1 /* (!defined(MCD_NEED_ADDR_TRANS)) */ + ((volatile int *)MCD_taskTable[channel].contextSaveSpace)[ + SRCPTR + CSAVE_OFFSET] + = (int)((MCD_bufDesc *) srcAddr)->srcAddr; + ((volatile int *)MCD_taskTable[channel].contextSaveSpace)[ + DESTPTR + CSAVE_OFFSET] + = (int)((MCD_bufDesc *) srcAddr)->destAddr; +#else + /* if using address translation, need the + * virtual addr of the first buffdesc */ + ((volatile int *)MCD_taskTable[channel].contextSaveSpace)[ + SRCPTR + CSAVE_OFFSET] + = (int)((MCD_bufDesc *) srcAddrVirt)->srcAddr; + ((volatile int *)MCD_taskTable[channel].contextSaveSpace)[ + DESTPTR + CSAVE_OFFSET] + = (int)((MCD_bufDesc *) srcAddrVirt)->destAddr; +#endif + ((volatile int *)MCD_taskTable[channel].contextSaveSpace)[ + DCOUNT + CSAVE_OFFSET] = 0; + ((volatile int *)MCD_taskTable[channel].contextSaveSpace)[ + CURRBD + CSAVE_OFFSET] = (u32) srcAddr; + + if (funcDesc == MCD_FUNC_NOEU1 + || funcDesc == MCD_FUNC_NOEU2) { + /* TDTStart and TDTEnd */ + MCD_taskTable[channel].TDTstart = + MCD_modelTaskTable[TASK_CHAINNOEU].TDTstart; + MCD_taskTable[channel].TDTend = + MCD_modelTaskTable[TASK_CHAINNOEU].TDTend; + MCD_startDmaChainNoEu((int *)srcAddr, srcIncr, + destIncr, xferSize, xferSizeIncr, cSave, + MCD_taskTable, channel); + } else { + /* TDTStart and TDTEnd */ + MCD_taskTable[channel].TDTstart = + MCD_modelTaskTable[TASK_CHAINEU].TDTstart; + MCD_taskTable[channel].TDTend = + MCD_modelTaskTable[TASK_CHAINEU].TDTend; + MCD_startDmaChainEu((int *)srcAddr, srcIncr, destIncr, + xferSize, xferSizeIncr, cSave, + MCD_taskTable, channel); + } + } + + MCD_chStatus[channel] = MCD_IDLE; + return MCD_OK; +} + +/************************ End of MCD_startDma() *********************/ + +/********************************************************************/ +/* Function: MCD_XferProgrQuery + * Purpose: Returns progress of DMA on requested channel + * Arguments: channel - channel to retrieve progress for + * progRep - pointer to user supplied MCD_XferProg struct + * Returns: MCD_CHANNEL_INVALID if channel is invalid, else MCD_OK + * + * Notes: + * MCD_XferProgrQuery() upon completing or after aborting a DMA, or + * while the DMA is in progress, this function returns the first + * DMA-destination address not (or not yet) used in the DMA. When + * encountering a non-ready buffer descriptor, the information for + * the last completed descriptor is returned. + * + * MCD_XferProgQuery() has to avoid the possibility of getting + * partially-updated information in the event that we should happen + * to query DMA progress just as the DMA is updating it. It does that + * by taking advantage of the fact context is not saved frequently for + * the most part. We therefore read it at least twice until we get the + * same information twice in a row. + * + * Because a small, but not insignificant, amount of time is required + * to write out the progress-query information, especially upon + * completion of the DMA, it would be wise to guarantee some time lag + * between successive readings of the progress-query information. + */ + +/* + * How many iterations of the loop below to execute to stabilize values + */ +#define STABTIME 0 + +int MCD_XferProgrQuery(int channel, MCD_XferProg *progRep) +{ + MCD_XferProg prevRep; + int again; + /* true if we are to try again to get consistent results */ + int i; /* used as a time-waste counter */ + int destDiffBytes; + /* Total number of bytes that we think actually got xfered. */ + int numIterations; /* number of iterations */ + int bytesNotXfered; /* bytes that did not get xfered. */ + s8 *LWAlignedInitDestAddr, *LWAlignedCurrDestAddr; + int subModVal, addModVal; + /* Mode values to added and subtracted from the final destAddr */ + + if ((channel < 0) || (channel >= NCHANNELS)) + return MCD_CHANNEL_INVALID; + + /* Read a trial value for the progress-reporting values*/ + prevRep.lastSrcAddr = + (s8 *)((volatile int *)MCD_taskTable[channel].contextSaveSpace)[ + SRCPTR + CSAVE_OFFSET]; + prevRep.lastDestAddr = + (s8 *)((volatile int *)MCD_taskTable[channel].contextSaveSpace)[ + DESTPTR + CSAVE_OFFSET]; + prevRep.dmaSize = + ((volatile int *)MCD_taskTable[channel].contextSaveSpace)[ + DCOUNT + CSAVE_OFFSET]; + prevRep.currBufDesc = + (MCD_bufDesc *)((volatile int *)MCD_taskTable[ + channel].contextSaveSpace)[CURRBD + CSAVE_OFFSET]; + + /* Repeatedly reread those values until + * they match previous values: */ + do { + /* Take a little bit of time to ensure stability: */ + for (i = 0; i < STABTIME; i++) + i += i >> 2; + /* make sure this loop does something so that it + doesn't get optimized out */ + /* Check them again: */ + progRep->lastSrcAddr = + (s8 *)((volatile int *)MCD_taskTable[ + channel].contextSaveSpace)[SRCPTR + CSAVE_OFFSET]; + progRep->lastDestAddr = + (s8 *)((volatile int *)MCD_taskTable[ + channel].contextSaveSpace)[DESTPTR + CSAVE_OFFSET]; + progRep->dmaSize = ((volatile int *)MCD_taskTable[ + channel].contextSaveSpace)[DCOUNT + CSAVE_OFFSET]; + progRep->currBufDesc = + (MCD_bufDesc *)((volatile int *)MCD_taskTable[ + channel].contextSaveSpace)[CURRBD + CSAVE_OFFSET]; + + /* See if they match: */ + if (prevRep.lastSrcAddr != progRep->lastSrcAddr + || prevRep.lastDestAddr != progRep->lastDestAddr + || prevRep.dmaSize != progRep->dmaSize + || prevRep.currBufDesc != progRep->currBufDesc) { + /* If they don't match, remember previous + values and try again:*/ + prevRep.lastSrcAddr = progRep->lastSrcAddr; + prevRep.lastDestAddr = progRep->lastDestAddr; + prevRep.dmaSize = progRep->dmaSize; + prevRep.currBufDesc = progRep->currBufDesc; + again = MCD_TRUE; + } else + again = MCD_FALSE; + } while (again == MCD_TRUE); + + + /* Update dmaSize and lastDestAddr */ + switch (MCD_remVariants.remDestRsdIncr[channel]) { + case MINUS1: + subModVal = ((int)progRep->lastDestAddr) + & ((MCD_remVariants.remXferSize[channel]) - 1); + addModVal = ((int)progRep->currBufDesc->destAddr) + & ((MCD_remVariants.remXferSize[channel]) - 1); + LWAlignedInitDestAddr = (progRep->currBufDesc->destAddr) + - addModVal; + LWAlignedCurrDestAddr = (progRep->lastDestAddr) - subModVal; + destDiffBytes = LWAlignedInitDestAddr - LWAlignedCurrDestAddr; + bytesNotXfered = + (destDiffBytes/MCD_remVariants.remDestIncr[channel]) * + (MCD_remVariants.remDestIncr[channel] + + MCD_remVariants.remXferSize[channel]); + progRep->dmaSize = destDiffBytes - bytesNotXfered + + addModVal - subModVal; + break; + case ZERO: + progRep->lastDestAddr = progRep->currBufDesc->destAddr; + break; + case PLUS1: + /* This value has to be subtracted + from the final calculated dmaSize. */ + subModVal = ((int)progRep->currBufDesc->destAddr) + & ((MCD_remVariants.remXferSize[channel]) - 1); + /* These bytes are already in lastDestAddr. */ + addModVal = ((int)progRep->lastDestAddr) + & ((MCD_remVariants.remXferSize[channel]) - 1); + LWAlignedInitDestAddr = (progRep->currBufDesc->destAddr) + - subModVal; + LWAlignedCurrDestAddr = (progRep->lastDestAddr) - addModVal; + destDiffBytes = (progRep->lastDestAddr - LWAlignedInitDestAddr); + numIterations = (LWAlignedCurrDestAddr - + LWAlignedInitDestAddr)/MCD_remVariants.remDestIncr[channel]; + bytesNotXfered = numIterations * + (MCD_remVariants.remDestIncr[channel] + - MCD_remVariants.remXferSize[channel]); + progRep->dmaSize = destDiffBytes - bytesNotXfered - subModVal; + break; + default: + break; + } + + /* This covers M1,P1,Z for source */ + switch (MCD_remVariants.remSrcRsdIncr[channel]) { + case MINUS1: + progRep->lastSrcAddr = + progRep->currBufDesc->srcAddr + + (MCD_remVariants.remSrcIncr[channel] * + (progRep->dmaSize/MCD_remVariants.remXferSize[channel])); + break; + case ZERO: + progRep->lastSrcAddr = progRep->currBufDesc->srcAddr; + break; + case PLUS1: + progRep->lastSrcAddr = + progRep->currBufDesc->srcAddr + + (MCD_remVariants.remSrcIncr[channel] * + (progRep->dmaSize/MCD_remVariants.remXferSize[channel])); + break; + default: + break; + } + + return MCD_OK; +} +/******************* End of MCD_XferProgrQuery() ********************/ + +/********************************************************************/ +/* MCD_resmActions() does the majority of the actions of a DMA resume. + * It is called from MCD_killDma() and MCD_resumeDma(). It has to be + * a separate function because the kill function has to negate the task + * enable before resuming it, but the resume function has to do nothing + * if there is no DMA on that channel (i.e., if the enable bit is 0). + */ +static void MCD_resmActions(int channel) +{ + MCD_dmaBar->debugControl = DBG_CTL_DISABLE; + MCD_dmaBar->debugStatus = MCD_dmaBar->debugStatus; + + /* Determine which initiators are asserted */ + MCD_dmaBar->ptdDebug = PTD_DBG_TSK_VLD_INIT; + + if ((MCD_dmaBar->ptdDebug >> channel) & 0x1) + MCD_chStatus[channel] = MCD_RUNNING; + else + MCD_chStatus[channel] = MCD_IDLE; +} +/********************* End of MCD_resmActions() *********************/ + +/********************************************************************/ +/* Function: MCD_killDma + * Purpose: Halt the DMA on the requested channel, without any + * intention of resuming the DMA. + * Arguments: channel - requested channel + * Returns: MCD_CHANNEL_INVALID if channel is invalid, else MCD_OK + * + * Notes: + * A DMA may be killed from any state, including paused state, and it + * always goes to the MCD_HALTED state even if it is killed while in + * the MCD_NO_DMA or MCD_IDLE states. + */ +int MCD_killDma(int channel) +{ + if ((channel < 0) || (channel >= NCHANNELS)) + return MCD_CHANNEL_INVALID; + + MCD_dmaBar->taskControl[channel] = 0x0; + + /* Clean up after a paused task */ + if (MCD_chStatus[channel] == MCD_PAUSED) { + MCD_dmaBar->debugControl = DBG_CTL_DISABLE; + MCD_dmaBar->debugStatus = MCD_dmaBar->debugStatus; + } + + MCD_chStatus[channel] = MCD_HALTED; + + return MCD_OK; +} +/************************ End of MCD_killDma() **********************/ + +/********************************************************************/ +/* Function: MCD_continDma + * Purpose: Continue a DMA which as stopped due to encountering an + * unready buffer descriptor. + * Arguments: channel - channel to continue the DMA on + * Returns: MCD_CHANNEL_INVALID if channel is invalid, else MCD_OK + * + * Notes: + * This routine does not check to see if there is a task which can + * be continued. Also this routine should not be used with single DMAs. + */ +int MCD_continDma(int channel) +{ + if ((channel < 0) || (channel >= NCHANNELS)) + return MCD_CHANNEL_INVALID; + + MCD_dmaBar->taskControl[channel] |= TASK_CTL_EN; + MCD_chStatus[channel] = MCD_RUNNING; + + return MCD_OK; +} +/********************** End of MCD_continDma() **********************/ + +/********************************************************************* + * MCD_pauseDma() and MCD_resumeDma() below use the DMA's debug unit + * to freeze a task and resume it. We freeze a task by breakpointing + * on the stated task. That is, not any specific place in the task, + * but any time that task executes. In particular, when that task + * executes, we want to freeze that task and only that task. + * + * The bits of the debug control register influence interrupts vs. + * breakpoints as follows: + * - Bits 14 and 0 enable or disable debug functions. If enabled, you + * will get the interrupt but you may or may not get a breakpoint. + * - Bits 2 and 1 decide whether you also get a breakpoint in addition + * to an interrupt. + * + * The debug unit can do these actions in response to either internally + * detected breakpoint conditions from the comparators, or in response + * to the external breakpoint pin, or both. + * - Bits 14 and 1 perform the above-described functions for + * internally-generated conditions, i.e., the debug comparators. + * - Bits 0 and 2 perform the above-described functions for external + * conditions, i.e., the breakpoint external pin. + * + * Note that, although you "always" get the interrupt when you turn + * the debug functions, the interrupt can nevertheless, if desired, be + * masked by the corresponding bit in the PTD's IMR. Note also that + * this means that bits 14 and 0 must enable debug functions before + * bits 1 and 2, respectively, have any effect. + * + * NOTE: It's extremely important to not pause more than one DMA channel + * at a time. + ********************************************************************/ + +/********************************************************************/ +/* Function: MCD_pauseDma + * Purpose: Pauses the DMA on a given channel (if any DMA is running + * on that channel). + * Arguments: channel + * Returns: MCD_CHANNEL_INVALID if channel is invalid, else MCD_OK + */ +int MCD_pauseDma(int channel) +{ + if ((channel < 0) || (channel >= NCHANNELS)) + return MCD_CHANNEL_INVALID; + + if (MCD_dmaBar->taskControl[channel] & TASK_CTL_EN) { + MCD_dmaBar->debugComp1 = channel; + MCD_dmaBar->debugControl = + DBG_CTL_ENABLE | (1 << (channel + 16)); + MCD_chStatus[channel] = MCD_PAUSED; + } + + return MCD_OK; +} +/************************* End of MCD_pauseDma() ********************/ + +/********************************************************************/ +/* Function: MCD_resumeDma + * Purpose: Resumes the DMA on a given channel (if any DMA is + * running on that channel). + * Arguments: channel - channel on which to resume DMA + * Returns: MCD_CHANNEL_INVALID if channel is invalid, else MCD_OK + */ +int MCD_resumeDma(int channel) +{ + if ((channel < 0) || (channel >= NCHANNELS)) + return MCD_CHANNEL_INVALID; + + if (MCD_dmaBar->taskControl[channel] & TASK_CTL_EN) + MCD_resmActions(channel); + + return MCD_OK; +} +/************************ End of MCD_resumeDma() ********************/ + +/********************************************************************/ +/* Function: MCD_csumQuery + * Purpose: Provide the checksum after performing a non-chained DMA + * Arguments: channel - channel to report on + * csum - pointer to where to write the checksum/CRC + * Returns: MCD_ERROR if the channel is invalid, else MCD_OK + * + * Notes: + * + */ +int MCD_csumQuery(int channel, u32 *csum) +{ +#ifdef MCD_INCLUDE_EU + if ((channel < 0) || (channel >= NCHANNELS)) + return MCD_CHANNEL_INVALID; + + *csum = MCD_relocBuffDesc[channel].csumResult; + return MCD_OK; +#else + return MCD_ERROR; +#endif +} +/*********************** End of MCD_resumeDma() *********************/ + +/********************************************************************/ +/* Function: MCD_getCodeSize + * Purpose: Provide the size requirements of the microcoded tasks + * Returns: Size in bytes + */ +int MCD_getCodeSize(void) +{ +#ifdef MCD_INCLUDE_EU + return 0x2b64; +#else + return 0x1744; +#endif +} +/********************** End of MCD_getCodeSize() ********************/ + +/********************************************************************/ +/* Function: MCD_getVersion + * Purpose: Provide the version string and number + * Arguments: longVersion - user supplied pointer to a pointer to a char + * which points to the version string + * Returns: Version number and version string (by reference) + */ +char MCD_versionString[] = "Multi-channel DMA API v1.0"; +#define MCD_REV_MAJOR 0x01 +#define MCD_REV_MINOR 0x00 + +int MCD_getVersion(char **longVersion) +{ + int ret = 0; + *longVersion = MCD_versionString; + ret = (MCD_REV_MAJOR << 8) | MCD_REV_MINOR; + return ret; +} +/********************** End of MCD_getVersion() *********************/ + +/********************************************************************/ +/* Private version of memcpy() + * Note that everything this is used for is longword-aligned. + */ +static void MCD_memcpy(int *dest, int *src, u32 size) +{ + u32 i; + + for (i = 0; i < size; i += sizeof(int), dest++, src++) + *dest = *src; +} +/********************************************************************/ diff --git a/arch/m68k/platform/coldfire/MCD_progCheck.h b/arch/m68k/platform/coldfire/MCD_progCheck.h new file mode 100644 index 0000000..136f4df --- /dev/null +++ b/arch/m68k/platform/coldfire/MCD_progCheck.h @@ -0,0 +1,29 @@ +/* + * drivers/dma/MCD_progCheck.h + * + * Copyright (C) 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved. + * Kurt Mahan + * Shrek Wu b16972@freescale.com + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* This file is autogenerated. Do not change */ + +#define CURRBD 4 +#define DCOUNT 6 +#define DESTPTR 5 +#define SRCPTR 7 diff --git a/arch/m68k/platform/coldfire/MCD_tasks.c b/arch/m68k/platform/coldfire/MCD_tasks.c new file mode 100644 index 0000000..00b4b35 --- /dev/null +++ b/arch/m68k/platform/coldfire/MCD_tasks.c @@ -0,0 +1,2466 @@ +/* + * drivers/dma/MCD_tasks.c + * + * Copyright (C) 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved. + * Kurt Mahan + * Shrek Wu b16972@freescale.com + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include "MCD_dma.h" + +u32 MCD_varTab0[]; +u32 MCD_varTab1[]; +u32 MCD_varTab2[]; +u32 MCD_varTab3[]; +u32 MCD_varTab4[]; +u32 MCD_varTab5[]; +u32 MCD_varTab6[]; +u32 MCD_varTab7[]; +u32 MCD_varTab8[]; +u32 MCD_varTab9[]; +u32 MCD_varTab10[]; +u32 MCD_varTab11[]; +u32 MCD_varTab12[]; +u32 MCD_varTab13[]; +u32 MCD_varTab14[]; +u32 MCD_varTab15[]; + +u32 MCD_funcDescTab0[]; +#ifdef MCD_INCLUDE_EU +u32 MCD_funcDescTab1[]; +u32 MCD_funcDescTab2[]; +u32 MCD_funcDescTab3[]; +u32 MCD_funcDescTab4[]; +u32 MCD_funcDescTab5[]; +u32 MCD_funcDescTab6[]; +u32 MCD_funcDescTab7[]; +u32 MCD_funcDescTab8[]; +u32 MCD_funcDescTab9[]; +u32 MCD_funcDescTab10[]; +u32 MCD_funcDescTab11[]; +u32 MCD_funcDescTab12[]; +u32 MCD_funcDescTab13[]; +u32 MCD_funcDescTab14[]; +u32 MCD_funcDescTab15[]; +#endif + +u32 MCD_contextSave0[]; +u32 MCD_contextSave1[]; +u32 MCD_contextSave2[]; +u32 MCD_contextSave3[]; +u32 MCD_contextSave4[]; +u32 MCD_contextSave5[]; +u32 MCD_contextSave6[]; +u32 MCD_contextSave7[]; +u32 MCD_contextSave8[]; +u32 MCD_contextSave9[]; +u32 MCD_contextSave10[]; +u32 MCD_contextSave11[]; +u32 MCD_contextSave12[]; +u32 MCD_contextSave13[]; +u32 MCD_contextSave14[]; +u32 MCD_contextSave15[]; + +u32 MCD_realTaskTableSrc[] = +{ + 0x00000000, + 0x00000000, + (u32)MCD_varTab0, /* Task 0 Variable Table */ + (u32)MCD_funcDescTab0, /* Task 0 Function Descriptor Table & Flags */ + 0x00000000, + 0x00000000, + (u32)MCD_contextSave0, /* Task 0 context save space */ + 0x00000000, + 0x00000000, + 0x00000000, + (u32)MCD_varTab1, /* Task 1 Variable Table */ +#ifdef MCD_INCLUDE_EU + (u32)MCD_funcDescTab1, /* Task 1 Function Descriptor Table & Flags */ +#else + (u32)MCD_funcDescTab0, /* Task 0 Function Descriptor Table & Flags */ +#endif + 0x00000000, + 0x00000000, + (u32)MCD_contextSave1, /* Task 1 context save space */ + 0x00000000, + 0x00000000, + 0x00000000, + (u32)MCD_varTab2, /* Task 2 Variable Table */ +#ifdef MCD_INCLUDE_EU + (u32)MCD_funcDescTab2, /* Task 2 Function Descriptor Table & Flags */ +#else + (u32)MCD_funcDescTab0, /* Task 0 Function Descriptor Table & Flags */ +#endif + 0x00000000, + 0x00000000, + (u32)MCD_contextSave2, /* Task 2 context save space */ + 0x00000000, + 0x00000000, + 0x00000000, + (u32)MCD_varTab3, /* Task 3 Variable Table */ +#ifdef MCD_INCLUDE_EU + (u32)MCD_funcDescTab3, /* Task 3 Function Descriptor Table & Flags */ +#else + (u32)MCD_funcDescTab0, /* Task 0 Function Descriptor Table & Flags */ +#endif + 0x00000000, + 0x00000000, + (u32)MCD_contextSave3, /* Task 3 context save space */ + 0x00000000, + 0x00000000, + 0x00000000, + (u32)MCD_varTab4, /* Task 4 Variable Table */ +#ifdef MCD_INCLUDE_EU + (u32)MCD_funcDescTab4, /* Task 4 Function Descriptor Table & Flags */ +#else + (u32)MCD_funcDescTab0, /* Task 0 Function Descriptor Table & Flags */ +#endif + 0x00000000, + 0x00000000, + (u32)MCD_contextSave4, /* Task 4 context save space */ + 0x00000000, + 0x00000000, + 0x00000000, + (u32)MCD_varTab5, /* Task 5 Variable Table */ +#ifdef MCD_INCLUDE_EU + (u32)MCD_funcDescTab5, /* Task 5 Function Descriptor Table & Flags */ +#else + (u32)MCD_funcDescTab0, /* Task 0 Function Descriptor Table & Flags */ +#endif + 0x00000000, + 0x00000000, + (u32)MCD_contextSave5, /* Task 5 context save space */ + 0x00000000, + 0x00000000, + 0x00000000, + (u32)MCD_varTab6, /* Task 6 Variable Table */ +#ifdef MCD_INCLUDE_EU + (u32)MCD_funcDescTab6, /* Task 6 Function Descriptor Table & Flags */ +#else + (u32)MCD_funcDescTab0, /* Task 0 Function Descriptor Table & Flags */ +#endif + 0x00000000, + 0x00000000, + (u32)MCD_contextSave6, /* Task 6 context save space */ + 0x00000000, + 0x00000000, + 0x00000000, + (u32)MCD_varTab7, /* Task 7 Variable Table */ +#ifdef MCD_INCLUDE_EU + (u32)MCD_funcDescTab7, /* Task 7 Function Descriptor Table & Flags */ +#else + (u32)MCD_funcDescTab0, /* Task 0 Function Descriptor Table & Flags */ +#endif + 0x00000000, + 0x00000000, + (u32)MCD_contextSave7, /* Task 7 context save space */ + 0x00000000, + 0x00000000, + 0x00000000, + (u32)MCD_varTab8, /* Task 8 Variable Table */ +#ifdef MCD_INCLUDE_EU + (u32)MCD_funcDescTab8, /* Task 8 Function Descriptor Table & Flags */ +#else + (u32)MCD_funcDescTab0, /* Task 0 Function Descriptor Table & Flags */ +#endif + 0x00000000, + 0x00000000, + (u32)MCD_contextSave8, /* Task 8 context save space */ + 0x00000000, + 0x00000000, + 0x00000000, + (u32)MCD_varTab9, /* Task 9 Variable Table */ +#ifdef MCD_INCLUDE_EU + (u32)MCD_funcDescTab9, /* Task 9 Function Descriptor Table & Flags */ +#else + (u32)MCD_funcDescTab0, /* Task 0 Function Descriptor Table & Flags */ +#endif + 0x00000000, + 0x00000000, + (u32)MCD_contextSave9, /* Task 9 context save space */ + 0x00000000, + 0x00000000, + 0x00000000, + (u32)MCD_varTab10, /* Task 10 Variable Table */ +#ifdef MCD_INCLUDE_EU + (u32)MCD_funcDescTab10, /* Task 10 Function Descriptor Table & Flags */ +#else + (u32)MCD_funcDescTab0, /* Task 0 Function Descriptor Table & Flags */ +#endif + 0x00000000, + 0x00000000, + (u32)MCD_contextSave10, /* Task 10 context save space */ + 0x00000000, + 0x00000000, + 0x00000000, + (u32)MCD_varTab11, /* Task 11 Variable Table */ +#ifdef MCD_INCLUDE_EU + (u32)MCD_funcDescTab11, /* Task 11 Function Descriptor Table & Flags */ +#else + (u32)MCD_funcDescTab0, /* Task 0 Function Descriptor Table & Flags */ +#endif + 0x00000000, + 0x00000000, + (u32)MCD_contextSave11, /* Task 11 context save space */ + 0x00000000, + 0x00000000, + 0x00000000, + (u32)MCD_varTab12, /* Task 12 Variable Table */ +#ifdef MCD_INCLUDE_EU + (u32)MCD_funcDescTab12, /* Task 12 Function Descriptor Table & Flags */ +#else + (u32)MCD_funcDescTab0, /* Task 0 Function Descriptor Table & Flags */ +#endif + 0x00000000, + 0x00000000, + (u32)MCD_contextSave12, /* Task 12 context save space */ + 0x00000000, + 0x00000000, + 0x00000000, + (u32)MCD_varTab13, /* Task 13 Variable Table */ +#ifdef MCD_INCLUDE_EU + (u32)MCD_funcDescTab13, /* Task 13 Function Descriptor Table & Flags */ +#else + (u32)MCD_funcDescTab0, /* Task 0 Function Descriptor Table & Flags */ +#endif + 0x00000000, + 0x00000000, + (u32)MCD_contextSave13, /* Task 13 context save space */ + 0x00000000, + 0x00000000, + 0x00000000, + (u32)MCD_varTab14, /* Task 14 Variable Table */ +#ifdef MCD_INCLUDE_EU + (u32)MCD_funcDescTab14, /* Task 14 Function Descriptor Table & Flags */ +#else + (u32)MCD_funcDescTab0, /* Task 0 Function Descriptor Table & Flags */ +#endif + 0x00000000, + 0x00000000, + (u32)MCD_contextSave14, /* Task 14 context save space */ + 0x00000000, + 0x00000000, + 0x00000000, + (u32)MCD_varTab15, /* Task 15 Variable Table */ +#ifdef MCD_INCLUDE_EU + (u32)MCD_funcDescTab15, /* Task 15 Function Descriptor Table & Flags */ +#else + (u32)MCD_funcDescTab0, /* Task 0 Function Descriptor Table & Flags */ +#endif + 0x00000000, + 0x00000000, + (u32)MCD_contextSave15, /* Task 15 context save space */ + 0x00000000, +}; + + +u32 MCD_varTab0[] = +{ /* Task 0 Variable Table */ + 0x00000000, /* var[0] */ + 0x00000000, /* var[1] */ + 0x00000000, /* var[2] */ + 0x00000000, /* var[3] */ + 0x00000000, /* var[4] */ + 0x00000000, /* var[5] */ + 0x00000000, /* var[6] */ + 0x00000000, /* var[7] */ + 0x00000000, /* var[8] */ + 0x00000000, /* var[9] */ + 0x00000000, /* var[10] */ + 0x00000000, /* var[11] */ + 0x00000000, /* var[12] */ + 0x00000000, /* var[13] */ + 0x00000000, /* var[14] */ + 0x00000000, /* var[15] */ + 0x00000000, /* var[16] */ + 0x00000000, /* var[17] */ + 0x00000000, /* var[18] */ + 0x00000000, /* var[19] */ + 0x00000000, /* var[20] */ + 0x00000000, /* var[21] */ + 0x00000000, /* var[22] */ + 0x00000000, /* var[23] */ + 0xe0000000, /* inc[0] */ + 0x20000000, /* inc[1] */ + 0x2000ffff, /* inc[2] */ + 0x00000000, /* inc[3] */ + 0x00000000, /* inc[4] */ + 0x00000000, /* inc[5] */ + 0x00000000, /* inc[6] */ + 0x00000000, /* inc[7] */ +}; + + +u32 MCD_varTab1[] = +{ /* Task 1 Variable Table */ + 0x00000000, /* var[0] */ + 0x00000000, /* var[1] */ + 0x00000000, /* var[2] */ + 0x00000000, /* var[3] */ + 0x00000000, /* var[4] */ + 0x00000000, /* var[5] */ + 0x00000000, /* var[6] */ + 0x00000000, /* var[7] */ + 0x00000000, /* var[8] */ + 0x00000000, /* var[9] */ + 0x00000000, /* var[10] */ + 0x00000000, /* var[11] */ + 0x00000000, /* var[12] */ + 0x00000000, /* var[13] */ + 0x00000000, /* var[14] */ + 0x00000000, /* var[15] */ + 0x00000000, /* var[16] */ + 0x00000000, /* var[17] */ + 0x00000000, /* var[18] */ + 0x00000000, /* var[19] */ + 0x00000000, /* var[20] */ + 0x00000000, /* var[21] */ + 0x00000000, /* var[22] */ + 0x00000000, /* var[23] */ + 0xe0000000, /* inc[0] */ + 0x20000000, /* inc[1] */ + 0x2000ffff, /* inc[2] */ + 0x00000000, /* inc[3] */ + 0x00000000, /* inc[4] */ + 0x00000000, /* inc[5] */ + 0x00000000, /* inc[6] */ + 0x00000000, /* inc[7] */ +}; + +u32 MCD_varTab2[] = +{ /* Task 2 Variable Table */ + 0x00000000, /* var[0] */ + 0x00000000, /* var[1] */ + 0x00000000, /* var[2] */ + 0x00000000, /* var[3] */ + 0x00000000, /* var[4] */ + 0x00000000, /* var[5] */ + 0x00000000, /* var[6] */ + 0x00000000, /* var[7] */ + 0x00000000, /* var[8] */ + 0x00000000, /* var[9] */ + 0x00000000, /* var[10] */ + 0x00000000, /* var[11] */ + 0x00000000, /* var[12] */ + 0x00000000, /* var[13] */ + 0x00000000, /* var[14] */ + 0x00000000, /* var[15] */ + 0x00000000, /* var[16] */ + 0x00000000, /* var[17] */ + 0x00000000, /* var[18] */ + 0x00000000, /* var[19] */ + 0x00000000, /* var[20] */ + 0x00000000, /* var[21] */ + 0x00000000, /* var[22] */ + 0x00000000, /* var[23] */ + 0xe0000000, /* inc[0] */ + 0x20000000, /* inc[1] */ + 0x2000ffff, /* inc[2] */ + 0x00000000, /* inc[3] */ + 0x00000000, /* inc[4] */ + 0x00000000, /* inc[5] */ + 0x00000000, /* inc[6] */ + 0x00000000, /* inc[7] */ +}; + +u32 MCD_varTab3[] = +{ /* Task 3 Variable Table */ + 0x00000000, /* var[0] */ + 0x00000000, /* var[1] */ + 0x00000000, /* var[2] */ + 0x00000000, /* var[3] */ + 0x00000000, /* var[4] */ + 0x00000000, /* var[5] */ + 0x00000000, /* var[6] */ + 0x00000000, /* var[7] */ + 0x00000000, /* var[8] */ + 0x00000000, /* var[9] */ + 0x00000000, /* var[10] */ + 0x00000000, /* var[11] */ + 0x00000000, /* var[12] */ + 0x00000000, /* var[13] */ + 0x00000000, /* var[14] */ + 0x00000000, /* var[15] */ + 0x00000000, /* var[16] */ + 0x00000000, /* var[17] */ + 0x00000000, /* var[18] */ + 0x00000000, /* var[19] */ + 0x00000000, /* var[20] */ + 0x00000000, /* var[21] */ + 0x00000000, /* var[22] */ + 0x00000000, /* var[23] */ + 0xe0000000, /* inc[0] */ + 0x20000000, /* inc[1] */ + 0x2000ffff, /* inc[2] */ + 0x00000000, /* inc[3] */ + 0x00000000, /* inc[4] */ + 0x00000000, /* inc[5] */ + 0x00000000, /* inc[6] */ + 0x00000000, /* inc[7] */ +}; + +u32 MCD_varTab4[] = +{ /* Task 4 Variable Table */ + 0x00000000, /* var[0] */ + 0x00000000, /* var[1] */ + 0x00000000, /* var[2] */ + 0x00000000, /* var[3] */ + 0x00000000, /* var[4] */ + 0x00000000, /* var[5] */ + 0x00000000, /* var[6] */ + 0x00000000, /* var[7] */ + 0x00000000, /* var[8] */ + 0x00000000, /* var[9] */ + 0x00000000, /* var[10] */ + 0x00000000, /* var[11] */ + 0x00000000, /* var[12] */ + 0x00000000, /* var[13] */ + 0x00000000, /* var[14] */ + 0x00000000, /* var[15] */ + 0x00000000, /* var[16] */ + 0x00000000, /* var[17] */ + 0x00000000, /* var[18] */ + 0x00000000, /* var[19] */ + 0x00000000, /* var[20] */ + 0x00000000, /* var[21] */ + 0x00000000, /* var[22] */ + 0x00000000, /* var[23] */ + 0xe0000000, /* inc[0] */ + 0x20000000, /* inc[1] */ + 0x2000ffff, /* inc[2] */ + 0x00000000, /* inc[3] */ + 0x00000000, /* inc[4] */ + 0x00000000, /* inc[5] */ + 0x00000000, /* inc[6] */ + 0x00000000, /* inc[7] */ +}; + +u32 MCD_varTab5[] = +{ /* Task 5 Variable Table */ + 0x00000000, /* var[0] */ + 0x00000000, /* var[1] */ + 0x00000000, /* var[2] */ + 0x00000000, /* var[3] */ + 0x00000000, /* var[4] */ + 0x00000000, /* var[5] */ + 0x00000000, /* var[6] */ + 0x00000000, /* var[7] */ + 0x00000000, /* var[8] */ + 0x00000000, /* var[9] */ + 0x00000000, /* var[10] */ + 0x00000000, /* var[11] */ + 0x00000000, /* var[12] */ + 0x00000000, /* var[13] */ + 0x00000000, /* var[14] */ + 0x00000000, /* var[15] */ + 0x00000000, /* var[16] */ + 0x00000000, /* var[17] */ + 0x00000000, /* var[18] */ + 0x00000000, /* var[19] */ + 0x00000000, /* var[20] */ + 0x00000000, /* var[21] */ + 0x00000000, /* var[22] */ + 0x00000000, /* var[23] */ + 0xe0000000, /* inc[0] */ + 0x20000000, /* inc[1] */ + 0x2000ffff, /* inc[2] */ + 0x00000000, /* inc[3] */ + 0x00000000, /* inc[4] */ + 0x00000000, /* inc[5] */ + 0x00000000, /* inc[6] */ + 0x00000000, /* inc[7] */ +}; + +u32 MCD_varTab6[] = +{ /* Task 6 Variable Table */ + 0x00000000, /* var[0] */ + 0x00000000, /* var[1] */ + 0x00000000, /* var[2] */ + 0x00000000, /* var[3] */ + 0x00000000, /* var[4] */ + 0x00000000, /* var[5] */ + 0x00000000, /* var[6] */ + 0x00000000, /* var[7] */ + 0x00000000, /* var[8] */ + 0x00000000, /* var[9] */ + 0x00000000, /* var[10] */ + 0x00000000, /* var[11] */ + 0x00000000, /* var[12] */ + 0x00000000, /* var[13] */ + 0x00000000, /* var[14] */ + 0x00000000, /* var[15] */ + 0x00000000, /* var[16] */ + 0x00000000, /* var[17] */ + 0x00000000, /* var[18] */ + 0x00000000, /* var[19] */ + 0x00000000, /* var[20] */ + 0x00000000, /* var[21] */ + 0x00000000, /* var[22] */ + 0x00000000, /* var[23] */ + 0xe0000000, /* inc[0] */ + 0x20000000, /* inc[1] */ + 0x2000ffff, /* inc[2] */ + 0x00000000, /* inc[3] */ + 0x00000000, /* inc[4] */ + 0x00000000, /* inc[5] */ + 0x00000000, /* inc[6] */ + 0x00000000, /* inc[7] */ +}; + +u32 MCD_varTab7[] = +{ /* Task 7 Variable Table */ + 0x00000000, /* var[0] */ + 0x00000000, /* var[1] */ + 0x00000000, /* var[2] */ + 0x00000000, /* var[3] */ + 0x00000000, /* var[4] */ + 0x00000000, /* var[5] */ + 0x00000000, /* var[6] */ + 0x00000000, /* var[7] */ + 0x00000000, /* var[8] */ + 0x00000000, /* var[9] */ + 0x00000000, /* var[10] */ + 0x00000000, /* var[11] */ + 0x00000000, /* var[12] */ + 0x00000000, /* var[13] */ + 0x00000000, /* var[14] */ + 0x00000000, /* var[15] */ + 0x00000000, /* var[16] */ + 0x00000000, /* var[17] */ + 0x00000000, /* var[18] */ + 0x00000000, /* var[19] */ + 0x00000000, /* var[20] */ + 0x00000000, /* var[21] */ + 0x00000000, /* var[22] */ + 0x00000000, /* var[23] */ + 0xe0000000, /* inc[0] */ + 0x20000000, /* inc[1] */ + 0x2000ffff, /* inc[2] */ + 0x00000000, /* inc[3] */ + 0x00000000, /* inc[4] */ + 0x00000000, /* inc[5] */ + 0x00000000, /* inc[6] */ + 0x00000000, /* inc[7] */ +}; + +u32 MCD_varTab8[] = +{ /* Task 8 Variable Table */ + 0x00000000, /* var[0] */ + 0x00000000, /* var[1] */ + 0x00000000, /* var[2] */ + 0x00000000, /* var[3] */ + 0x00000000, /* var[4] */ + 0x00000000, /* var[5] */ + 0x00000000, /* var[6] */ + 0x00000000, /* var[7] */ + 0x00000000, /* var[8] */ + 0x00000000, /* var[9] */ + 0x00000000, /* var[10] */ + 0x00000000, /* var[11] */ + 0x00000000, /* var[12] */ + 0x00000000, /* var[13] */ + 0x00000000, /* var[14] */ + 0x00000000, /* var[15] */ + 0x00000000, /* var[16] */ + 0x00000000, /* var[17] */ + 0x00000000, /* var[18] */ + 0x00000000, /* var[19] */ + 0x00000000, /* var[20] */ + 0x00000000, /* var[21] */ + 0x00000000, /* var[22] */ + 0x00000000, /* var[23] */ + 0xe0000000, /* inc[0] */ + 0x20000000, /* inc[1] */ + 0x2000ffff, /* inc[2] */ + 0x00000000, /* inc[3] */ + 0x00000000, /* inc[4] */ + 0x00000000, /* inc[5] */ + 0x00000000, /* inc[6] */ + 0x00000000, /* inc[7] */ +}; + +u32 MCD_varTab9[] = +{ /* Task 9 Variable Table */ + 0x00000000, /* var[0] */ + 0x00000000, /* var[1] */ + 0x00000000, /* var[2] */ + 0x00000000, /* var[3] */ + 0x00000000, /* var[4] */ + 0x00000000, /* var[5] */ + 0x00000000, /* var[6] */ + 0x00000000, /* var[7] */ + 0x00000000, /* var[8] */ + 0x00000000, /* var[9] */ + 0x00000000, /* var[10] */ + 0x00000000, /* var[11] */ + 0x00000000, /* var[12] */ + 0x00000000, /* var[13] */ + 0x00000000, /* var[14] */ + 0x00000000, /* var[15] */ + 0x00000000, /* var[16] */ + 0x00000000, /* var[17] */ + 0x00000000, /* var[18] */ + 0x00000000, /* var[19] */ + 0x00000000, /* var[20] */ + 0x00000000, /* var[21] */ + 0x00000000, /* var[22] */ + 0x00000000, /* var[23] */ + 0xe0000000, /* inc[0] */ + 0x20000000, /* inc[1] */ + 0x2000ffff, /* inc[2] */ + 0x00000000, /* inc[3] */ + 0x00000000, /* inc[4] */ + 0x00000000, /* inc[5] */ + 0x00000000, /* inc[6] */ + 0x00000000, /* inc[7] */ +}; + +u32 MCD_varTab10[] = +{ /* Task 10 Variable Table */ + 0x00000000, /* var[0] */ + 0x00000000, /* var[1] */ + 0x00000000, /* var[2] */ + 0x00000000, /* var[3] */ + 0x00000000, /* var[4] */ + 0x00000000, /* var[5] */ + 0x00000000, /* var[6] */ + 0x00000000, /* var[7] */ + 0x00000000, /* var[8] */ + 0x00000000, /* var[9] */ + 0x00000000, /* var[10] */ + 0x00000000, /* var[11] */ + 0x00000000, /* var[12] */ + 0x00000000, /* var[13] */ + 0x00000000, /* var[14] */ + 0x00000000, /* var[15] */ + 0x00000000, /* var[16] */ + 0x00000000, /* var[17] */ + 0x00000000, /* var[18] */ + 0x00000000, /* var[19] */ + 0x00000000, /* var[20] */ + 0x00000000, /* var[21] */ + 0x00000000, /* var[22] */ + 0x00000000, /* var[23] */ + 0xe0000000, /* inc[0] */ + 0x20000000, /* inc[1] */ + 0x2000ffff, /* inc[2] */ + 0x00000000, /* inc[3] */ + 0x00000000, /* inc[4] */ + 0x00000000, /* inc[5] */ + 0x00000000, /* inc[6] */ + 0x00000000, /* inc[7] */ +}; + +u32 MCD_varTab11[] = +{ /* Task 11 Variable Table */ + 0x00000000, /* var[0] */ + 0x00000000, /* var[1] */ + 0x00000000, /* var[2] */ + 0x00000000, /* var[3] */ + 0x00000000, /* var[4] */ + 0x00000000, /* var[5] */ + 0x00000000, /* var[6] */ + 0x00000000, /* var[7] */ + 0x00000000, /* var[8] */ + 0x00000000, /* var[9] */ + 0x00000000, /* var[10] */ + 0x00000000, /* var[11] */ + 0x00000000, /* var[12] */ + 0x00000000, /* var[13] */ + 0x00000000, /* var[14] */ + 0x00000000, /* var[15] */ + 0x00000000, /* var[16] */ + 0x00000000, /* var[17] */ + 0x00000000, /* var[18] */ + 0x00000000, /* var[19] */ + 0x00000000, /* var[20] */ + 0x00000000, /* var[21] */ + 0x00000000, /* var[22] */ + 0x00000000, /* var[23] */ + 0xe0000000, /* inc[0] */ + 0x20000000, /* inc[1] */ + 0x2000ffff, /* inc[2] */ + 0x00000000, /* inc[3] */ + 0x00000000, /* inc[4] */ + 0x00000000, /* inc[5] */ + 0x00000000, /* inc[6] */ + 0x00000000, /* inc[7] */ +}; + +u32 MCD_varTab12[] = +{ /* Task 12 Variable Table */ + 0x00000000, /* var[0] */ + 0x00000000, /* var[1] */ + 0x00000000, /* var[2] */ + 0x00000000, /* var[3] */ + 0x00000000, /* var[4] */ + 0x00000000, /* var[5] */ + 0x00000000, /* var[6] */ + 0x00000000, /* var[7] */ + 0x00000000, /* var[8] */ + 0x00000000, /* var[9] */ + 0x00000000, /* var[10] */ + 0x00000000, /* var[11] */ + 0x00000000, /* var[12] */ + 0x00000000, /* var[13] */ + 0x00000000, /* var[14] */ + 0x00000000, /* var[15] */ + 0x00000000, /* var[16] */ + 0x00000000, /* var[17] */ + 0x00000000, /* var[18] */ + 0x00000000, /* var[19] */ + 0x00000000, /* var[20] */ + 0x00000000, /* var[21] */ + 0x00000000, /* var[22] */ + 0x00000000, /* var[23] */ + 0xe0000000, /* inc[0] */ + 0x20000000, /* inc[1] */ + 0x2000ffff, /* inc[2] */ + 0x00000000, /* inc[3] */ + 0x00000000, /* inc[4] */ + 0x00000000, /* inc[5] */ + 0x00000000, /* inc[6] */ + 0x00000000, /* inc[7] */ +}; + +u32 MCD_varTab13[] = +{ /* Task 13 Variable Table */ + 0x00000000, /* var[0] */ + 0x00000000, /* var[1] */ + 0x00000000, /* var[2] */ + 0x00000000, /* var[3] */ + 0x00000000, /* var[4] */ + 0x00000000, /* var[5] */ + 0x00000000, /* var[6] */ + 0x00000000, /* var[7] */ + 0x00000000, /* var[8] */ + 0x00000000, /* var[9] */ + 0x00000000, /* var[10] */ + 0x00000000, /* var[11] */ + 0x00000000, /* var[12] */ + 0x00000000, /* var[13] */ + 0x00000000, /* var[14] */ + 0x00000000, /* var[15] */ + 0x00000000, /* var[16] */ + 0x00000000, /* var[17] */ + 0x00000000, /* var[18] */ + 0x00000000, /* var[19] */ + 0x00000000, /* var[20] */ + 0x00000000, /* var[21] */ + 0x00000000, /* var[22] */ + 0x00000000, /* var[23] */ + 0xe0000000, /* inc[0] */ + 0x20000000, /* inc[1] */ + 0x2000ffff, /* inc[2] */ + 0x00000000, /* inc[3] */ + 0x00000000, /* inc[4] */ + 0x00000000, /* inc[5] */ + 0x00000000, /* inc[6] */ + 0x00000000, /* inc[7] */ +}; + +u32 MCD_varTab14[] = +{ /* Task 14 Variable Table */ + 0x00000000, /* var[0] */ + 0x00000000, /* var[1] */ + 0x00000000, /* var[2] */ + 0x00000000, /* var[3] */ + 0x00000000, /* var[4] */ + 0x00000000, /* var[5] */ + 0x00000000, /* var[6] */ + 0x00000000, /* var[7] */ + 0x00000000, /* var[8] */ + 0x00000000, /* var[9] */ + 0x00000000, /* var[10] */ + 0x00000000, /* var[11] */ + 0x00000000, /* var[12] */ + 0x00000000, /* var[13] */ + 0x00000000, /* var[14] */ + 0x00000000, /* var[15] */ + 0x00000000, /* var[16] */ + 0x00000000, /* var[17] */ + 0x00000000, /* var[18] */ + 0x00000000, /* var[19] */ + 0x00000000, /* var[20] */ + 0x00000000, /* var[21] */ + 0x00000000, /* var[22] */ + 0x00000000, /* var[23] */ + 0xe0000000, /* inc[0] */ + 0x20000000, /* inc[1] */ + 0x2000ffff, /* inc[2] */ + 0x00000000, /* inc[3] */ + 0x00000000, /* inc[4] */ + 0x00000000, /* inc[5] */ + 0x00000000, /* inc[6] */ + 0x00000000, /* inc[7] */ +}; + +u32 MCD_varTab15[] = +{ /* Task 15 Variable Table */ + 0x00000000, /* var[0] */ + 0x00000000, /* var[1] */ + 0x00000000, /* var[2] */ + 0x00000000, /* var[3] */ + 0x00000000, /* var[4] */ + 0x00000000, /* var[5] */ + 0x00000000, /* var[6] */ + 0x00000000, /* var[7] */ + 0x00000000, /* var[8] */ + 0x00000000, /* var[9] */ + 0x00000000, /* var[10] */ + 0x00000000, /* var[11] */ + 0x00000000, /* var[12] */ + 0x00000000, /* var[13] */ + 0x00000000, /* var[14] */ + 0x00000000, /* var[15] */ + 0x00000000, /* var[16] */ + 0x00000000, /* var[17] */ + 0x00000000, /* var[18] */ + 0x00000000, /* var[19] */ + 0x00000000, /* var[20] */ + 0x00000000, /* var[21] */ + 0x00000000, /* var[22] */ + 0x00000000, /* var[23] */ + 0xe0000000, /* inc[0] */ + 0x20000000, /* inc[1] */ + 0x2000ffff, /* inc[2] */ + 0x00000000, /* inc[3] */ + 0x00000000, /* inc[4] */ + 0x00000000, /* inc[5] */ + 0x00000000, /* inc[6] */ + 0x00000000, /* inc[7] */ +}; + +u32 MCD_funcDescTab0[] = +{ /* Task 0 Function Descriptor Table */ + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0xa0045670, /* mainFunc(), EU# 3 */ + 0xa0000000, /* rsduFunc(), EU# 3 */ + 0xa0000000, /* crcAccumVal(), EU# 3 */ + 0x20000000, /* setCrcAccum(), EU# 3 */ + 0x21800000, /* and(), EU# 3 */ + 0x21e00000, /* or(), EU# 3 */ + 0x20400000, /* add(), EU# 3 */ + 0x20500000, /* sub(), EU# 3 */ + 0x205a0000, /* andNot(), EU# 3 */ + 0x20a00000, /* shiftR(), EU# 3 */ + 0x202fa000, /* andReadyBit(), EU# 3 */ + 0x202f9000, /* andNotReadyBit(), EU# 3 */ + 0x202ea000, /* andWrapBit(), EU# 3 */ + 0x202da000, /* andLastBit(), EU# 3 */ + 0x202e2000, /* andInterruptBit(), EU# 3 */ + 0x202f2000, /* andCrcRestartBit(), EU# 3 */ +}; + +#ifdef MCD_INCLUDE_EU +u32 MCD_funcDescTab1[] = +{ /* Task 1 Function Descriptor Table */ + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0xa0045670, /* mainFunc(), EU# 3 */ + 0xa0000000, /* rsduFunc(), EU# 3 */ + 0xa0000000, /* crcAccumVal(), EU# 3 */ + 0x20000000, /* setCrcAccum(), EU# 3 */ + 0x21800000, /* and(), EU# 3 */ + 0x21e00000, /* or(), EU# 3 */ + 0x20400000, /* add(), EU# 3 */ + 0x20500000, /* sub(), EU# 3 */ + 0x205a0000, /* andNot(), EU# 3 */ + 0x20a00000, /* shiftR(), EU# 3 */ + 0x202fa000, /* andReadyBit(), EU# 3 */ + 0x202f9000, /* andNotReadyBit(), EU# 3 */ + 0x202ea000, /* andWrapBit(), EU# 3 */ + 0x202da000, /* andLastBit(), EU# 3 */ + 0x202e2000, /* andInterruptBit(), EU# 3 */ + 0x202f2000, /* andCrcRestartBit(), EU# 3 */ +}; + +u32 MCD_funcDescTab2[] = +{ /* Task 2 Function Descriptor Table */ + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0xa0045670, /* mainFunc(), EU# 3 */ + 0xa0000000, /* rsduFunc(), EU# 3 */ + 0xa0000000, /* crcAccumVal(), EU# 3 */ + 0x20000000, /* setCrcAccum(), EU# 3 */ + 0x21800000, /* and(), EU# 3 */ + 0x21e00000, /* or(), EU# 3 */ + 0x20400000, /* add(), EU# 3 */ + 0x20500000, /* sub(), EU# 3 */ + 0x205a0000, /* andNot(), EU# 3 */ + 0x20a00000, /* shiftR(), EU# 3 */ + 0x202fa000, /* andReadyBit(), EU# 3 */ + 0x202f9000, /* andNotReadyBit(), EU# 3 */ + 0x202ea000, /* andWrapBit(), EU# 3 */ + 0x202da000, /* andLastBit(), EU# 3 */ + 0x202e2000, /* andInterruptBit(), EU# 3 */ + 0x202f2000, /* andCrcRestartBit(), EU# 3 */ +}; + +u32 MCD_funcDescTab3[] = +{ /* Task 3 Function Descriptor Table */ + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0xa0045670, /* mainFunc(), EU# 3 */ + 0xa0000000, /* rsduFunc(), EU# 3 */ + 0xa0000000, /* crcAccumVal(), EU# 3 */ + 0x20000000, /* setCrcAccum(), EU# 3 */ + 0x21800000, /* and(), EU# 3 */ + 0x21e00000, /* or(), EU# 3 */ + 0x20400000, /* add(), EU# 3 */ + 0x20500000, /* sub(), EU# 3 */ + 0x205a0000, /* andNot(), EU# 3 */ + 0x20a00000, /* shiftR(), EU# 3 */ + 0x202fa000, /* andReadyBit(), EU# 3 */ + 0x202f9000, /* andNotReadyBit(), EU# 3 */ + 0x202ea000, /* andWrapBit(), EU# 3 */ + 0x202da000, /* andLastBit(), EU# 3 */ + 0x202e2000, /* andInterruptBit(), EU# 3 */ + 0x202f2000, /* andCrcRestartBit(), EU# 3 */ +}; + +u32 MCD_funcDescTab4[] = +{ /* Task 4 Function Descriptor Table */ + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0xa0045670, /* mainFunc(), EU# 3 */ + 0xa0000000, /* rsduFunc(), EU# 3 */ + 0xa0000000, /* crcAccumVal(), EU# 3 */ + 0x20000000, /* setCrcAccum(), EU# 3 */ + 0x21800000, /* and(), EU# 3 */ + 0x21e00000, /* or(), EU# 3 */ + 0x20400000, /* add(), EU# 3 */ + 0x20500000, /* sub(), EU# 3 */ + 0x205a0000, /* andNot(), EU# 3 */ + 0x20a00000, /* shiftR(), EU# 3 */ + 0x202fa000, /* andReadyBit(), EU# 3 */ + 0x202f9000, /* andNotReadyBit(), EU# 3 */ + 0x202ea000, /* andWrapBit(), EU# 3 */ + 0x202da000, /* andLastBit(), EU# 3 */ + 0x202e2000, /* andInterruptBit(), EU# 3 */ + 0x202f2000, /* andCrcRestartBit(), EU# 3 */ +}; + +u32 MCD_funcDescTab5[] = +{ /* Task 5 Function Descriptor Table */ + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0xa0045670, /* mainFunc(), EU# 3 */ + 0xa0000000, /* rsduFunc(), EU# 3 */ + 0xa0000000, /* crcAccumVal(), EU# 3 */ + 0x20000000, /* setCrcAccum(), EU# 3 */ + 0x21800000, /* and(), EU# 3 */ + 0x21e00000, /* or(), EU# 3 */ + 0x20400000, /* add(), EU# 3 */ + 0x20500000, /* sub(), EU# 3 */ + 0x205a0000, /* andNot(), EU# 3 */ + 0x20a00000, /* shiftR(), EU# 3 */ + 0x202fa000, /* andReadyBit(), EU# 3 */ + 0x202f9000, /* andNotReadyBit(), EU# 3 */ + 0x202ea000, /* andWrapBit(), EU# 3 */ + 0x202da000, /* andLastBit(), EU# 3 */ + 0x202e2000, /* andInterruptBit(), EU# 3 */ + 0x202f2000, /* andCrcRestartBit(), EU# 3 */ +}; + +u32 MCD_funcDescTab6[] = +{ /* Task 6 Function Descriptor Table */ + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0xa0045670, /* mainFunc(), EU# 3 */ + 0xa0000000, /* rsduFunc(), EU# 3 */ + 0xa0000000, /* crcAccumVal(), EU# 3 */ + 0x20000000, /* setCrcAccum(), EU# 3 */ + 0x21800000, /* and(), EU# 3 */ + 0x21e00000, /* or(), EU# 3 */ + 0x20400000, /* add(), EU# 3 */ + 0x20500000, /* sub(), EU# 3 */ + 0x205a0000, /* andNot(), EU# 3 */ + 0x20a00000, /* shiftR(), EU# 3 */ + 0x202fa000, /* andReadyBit(), EU# 3 */ + 0x202f9000, /* andNotReadyBit(), EU# 3 */ + 0x202ea000, /* andWrapBit(), EU# 3 */ + 0x202da000, /* andLastBit(), EU# 3 */ + 0x202e2000, /* andInterruptBit(), EU# 3 */ + 0x202f2000, /* andCrcRestartBit(), EU# 3 */ +}; + +u32 MCD_funcDescTab7[] = +{ /* Task 7 Function Descriptor Table */ + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0xa0045670, /* mainFunc(), EU# 3 */ + 0xa0000000, /* rsduFunc(), EU# 3 */ + 0xa0000000, /* crcAccumVal(), EU# 3 */ + 0x20000000, /* setCrcAccum(), EU# 3 */ + 0x21800000, /* and(), EU# 3 */ + 0x21e00000, /* or(), EU# 3 */ + 0x20400000, /* add(), EU# 3 */ + 0x20500000, /* sub(), EU# 3 */ + 0x205a0000, /* andNot(), EU# 3 */ + 0x20a00000, /* shiftR(), EU# 3 */ + 0x202fa000, /* andReadyBit(), EU# 3 */ + 0x202f9000, /* andNotReadyBit(), EU# 3 */ + 0x202ea000, /* andWrapBit(), EU# 3 */ + 0x202da000, /* andLastBit(), EU# 3 */ + 0x202e2000, /* andInterruptBit(), EU# 3 */ + 0x202f2000, /* andCrcRestartBit(), EU# 3 */ +}; + +u32 MCD_funcDescTab8[] = +{ /* Task 8 Function Descriptor Table */ + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0xa0045670, /* mainFunc(), EU# 3 */ + 0xa0000000, /* rsduFunc(), EU# 3 */ + 0xa0000000, /* crcAccumVal(), EU# 3 */ + 0x20000000, /* setCrcAccum(), EU# 3 */ + 0x21800000, /* and(), EU# 3 */ + 0x21e00000, /* or(), EU# 3 */ + 0x20400000, /* add(), EU# 3 */ + 0x20500000, /* sub(), EU# 3 */ + 0x205a0000, /* andNot(), EU# 3 */ + 0x20a00000, /* shiftR(), EU# 3 */ + 0x202fa000, /* andReadyBit(), EU# 3 */ + 0x202f9000, /* andNotReadyBit(), EU# 3 */ + 0x202ea000, /* andWrapBit(), EU# 3 */ + 0x202da000, /* andLastBit(), EU# 3 */ + 0x202e2000, /* andInterruptBit(), EU# 3 */ + 0x202f2000, /* andCrcRestartBit(), EU# 3 */ +}; + +u32 MCD_funcDescTab9[] = +{ /* Task 9 Function Descriptor Table */ + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0xa0045670, /* mainFunc(), EU# 3 */ + 0xa0000000, /* rsduFunc(), EU# 3 */ + 0xa0000000, /* crcAccumVal(), EU# 3 */ + 0x20000000, /* setCrcAccum(), EU# 3 */ + 0x21800000, /* and(), EU# 3 */ + 0x21e00000, /* or(), EU# 3 */ + 0x20400000, /* add(), EU# 3 */ + 0x20500000, /* sub(), EU# 3 */ + 0x205a0000, /* andNot(), EU# 3 */ + 0x20a00000, /* shiftR(), EU# 3 */ + 0x202fa000, /* andReadyBit(), EU# 3 */ + 0x202f9000, /* andNotReadyBit(), EU# 3 */ + 0x202ea000, /* andWrapBit(), EU# 3 */ + 0x202da000, /* andLastBit(), EU# 3 */ + 0x202e2000, /* andInterruptBit(), EU# 3 */ + 0x202f2000, /* andCrcRestartBit(), EU# 3 */ +}; + +u32 MCD_funcDescTab10[] = +{ /* Task 10 Function Descriptor Table */ + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0xa0045670, /* mainFunc(), EU# 3 */ + 0xa0000000, /* rsduFunc(), EU# 3 */ + 0xa0000000, /* crcAccumVal(), EU# 3 */ + 0x20000000, /* setCrcAccum(), EU# 3 */ + 0x21800000, /* and(), EU# 3 */ + 0x21e00000, /* or(), EU# 3 */ + 0x20400000, /* add(), EU# 3 */ + 0x20500000, /* sub(), EU# 3 */ + 0x205a0000, /* andNot(), EU# 3 */ + 0x20a00000, /* shiftR(), EU# 3 */ + 0x202fa000, /* andReadyBit(), EU# 3 */ + 0x202f9000, /* andNotReadyBit(), EU# 3 */ + 0x202ea000, /* andWrapBit(), EU# 3 */ + 0x202da000, /* andLastBit(), EU# 3 */ + 0x202e2000, /* andInterruptBit(), EU# 3 */ + 0x202f2000, /* andCrcRestartBit(), EU# 3 */ +}; + +u32 MCD_funcDescTab11[] = +{ /* Task 11 Function Descriptor Table */ + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0xa0045670, /* mainFunc(), EU# 3 */ + 0xa0000000, /* rsduFunc(), EU# 3 */ + 0xa0000000, /* crcAccumVal(), EU# 3 */ + 0x20000000, /* setCrcAccum(), EU# 3 */ + 0x21800000, /* and(), EU# 3 */ + 0x21e00000, /* or(), EU# 3 */ + 0x20400000, /* add(), EU# 3 */ + 0x20500000, /* sub(), EU# 3 */ + 0x205a0000, /* andNot(), EU# 3 */ + 0x20a00000, /* shiftR(), EU# 3 */ + 0x202fa000, /* andReadyBit(), EU# 3 */ + 0x202f9000, /* andNotReadyBit(), EU# 3 */ + 0x202ea000, /* andWrapBit(), EU# 3 */ + 0x202da000, /* andLastBit(), EU# 3 */ + 0x202e2000, /* andInterruptBit(), EU# 3 */ + 0x202f2000, /* andCrcRestartBit(), EU# 3 */ +}; + +u32 MCD_funcDescTab12[] = +{ /* Task 12 Function Descriptor Table */ + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0xa0045670, /* mainFunc(), EU# 3 */ + 0xa0000000, /* rsduFunc(), EU# 3 */ + 0xa0000000, /* crcAccumVal(), EU# 3 */ + 0x20000000, /* setCrcAccum(), EU# 3 */ + 0x21800000, /* and(), EU# 3 */ + 0x21e00000, /* or(), EU# 3 */ + 0x20400000, /* add(), EU# 3 */ + 0x20500000, /* sub(), EU# 3 */ + 0x205a0000, /* andNot(), EU# 3 */ + 0x20a00000, /* shiftR(), EU# 3 */ + 0x202fa000, /* andReadyBit(), EU# 3 */ + 0x202f9000, /* andNotReadyBit(), EU# 3 */ + 0x202ea000, /* andWrapBit(), EU# 3 */ + 0x202da000, /* andLastBit(), EU# 3 */ + 0x202e2000, /* andInterruptBit(), EU# 3 */ + 0x202f2000, /* andCrcRestartBit(), EU# 3 */ +}; + +u32 MCD_funcDescTab13[] = +{ /* Task 13 Function Descriptor Table */ + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0xa0045670, /* mainFunc(), EU# 3 */ + 0xa0000000, /* rsduFunc(), EU# 3 */ + 0xa0000000, /* crcAccumVal(), EU# 3 */ + 0x20000000, /* setCrcAccum(), EU# 3 */ + 0x21800000, /* and(), EU# 3 */ + 0x21e00000, /* or(), EU# 3 */ + 0x20400000, /* add(), EU# 3 */ + 0x20500000, /* sub(), EU# 3 */ + 0x205a0000, /* andNot(), EU# 3 */ + 0x20a00000, /* shiftR(), EU# 3 */ + 0x202fa000, /* andReadyBit(), EU# 3 */ + 0x202f9000, /* andNotReadyBit(), EU# 3 */ + 0x202ea000, /* andWrapBit(), EU# 3 */ + 0x202da000, /* andLastBit(), EU# 3 */ + 0x202e2000, /* andInterruptBit(), EU# 3 */ + 0x202f2000, /* andCrcRestartBit(), EU# 3 */ +}; + +u32 MCD_funcDescTab14[] = +{ /* Task 14 Function Descriptor Table */ + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0xa0045670, /* mainFunc(), EU# 3 */ + 0xa0000000, /* rsduFunc(), EU# 3 */ + 0xa0000000, /* crcAccumVal(), EU# 3 */ + 0x20000000, /* setCrcAccum(), EU# 3 */ + 0x21800000, /* and(), EU# 3 */ + 0x21e00000, /* or(), EU# 3 */ + 0x20400000, /* add(), EU# 3 */ + 0x20500000, /* sub(), EU# 3 */ + 0x205a0000, /* andNot(), EU# 3 */ + 0x20a00000, /* shiftR(), EU# 3 */ + 0x202fa000, /* andReadyBit(), EU# 3 */ + 0x202f9000, /* andNotReadyBit(), EU# 3 */ + 0x202ea000, /* andWrapBit(), EU# 3 */ + 0x202da000, /* andLastBit(), EU# 3 */ + 0x202e2000, /* andInterruptBit(), EU# 3 */ + 0x202f2000, /* andCrcRestartBit(), EU# 3 */ +}; + +u32 MCD_funcDescTab15[] = +{ /* Task 15 Function Descriptor Table */ + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0xa0045670, /* mainFunc(), EU# 3 */ + 0xa0000000, /* rsduFunc(), EU# 3 */ + 0xa0000000, /* crcAccumVal(), EU# 3 */ + 0x20000000, /* setCrcAccum(), EU# 3 */ + 0x21800000, /* and(), EU# 3 */ + 0x21e00000, /* or(), EU# 3 */ + 0x20400000, /* add(), EU# 3 */ + 0x20500000, /* sub(), EU# 3 */ + 0x205a0000, /* andNot(), EU# 3 */ + 0x20a00000, /* shiftR(), EU# 3 */ + 0x202fa000, /* andReadyBit(), EU# 3 */ + 0x202f9000, /* andNotReadyBit(), EU# 3 */ + 0x202ea000, /* andWrapBit(), EU# 3 */ + 0x202da000, /* andLastBit(), EU# 3 */ + 0x202e2000, /* andInterruptBit(), EU# 3 */ + 0x202f2000, /* andCrcRestartBit(), EU# 3 */ +}; +#endif /*MCD_INCLUDE_EU*/ + +u32 MCD_contextSave0[128]; /* Task 0 context save space */ +u32 MCD_contextSave1[128]; /* Task 1 context save space */ +u32 MCD_contextSave2[128]; /* Task 2 context save space */ +u32 MCD_contextSave3[128]; /* Task 3 context save space */ +u32 MCD_contextSave4[128]; /* Task 4 context save space */ +u32 MCD_contextSave5[128]; /* Task 5 context save space */ +u32 MCD_contextSave6[128]; /* Task 6 context save space */ +u32 MCD_contextSave7[128]; /* Task 7 context save space */ +u32 MCD_contextSave8[128]; /* Task 8 context save space */ +u32 MCD_contextSave9[128]; /* Task 9 context save space */ +u32 MCD_contextSave10[128]; /* Task 10 context save space */ +u32 MCD_contextSave11[128]; /* Task 11 context save space */ +u32 MCD_contextSave12[128]; /* Task 12 context save space */ +u32 MCD_contextSave13[128]; /* Task 13 context save space */ +u32 MCD_contextSave14[128]; /* Task 14 context save space */ +u32 MCD_contextSave15[128]; /* Task 15 context save space */ + +u32 MCD_ChainNoEu_TDT[]; +u32 MCD_SingleNoEu_TDT[]; +#ifdef MCD_INCLUDE_EU +u32 MCD_ChainEu_TDT[]; +u32 MCD_SingleEu_TDT[]; +#endif +u32 MCD_ENetRcv_TDT[]; +u32 MCD_ENetXmit_TDT[]; + +u32 MCD_modelTaskTableSrc[] = +{ + (u32)MCD_ChainNoEu_TDT, + (u32)&((u8 *)MCD_ChainNoEu_TDT)[0x0000016c], + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + (u32)MCD_SingleNoEu_TDT, + (u32)&((u8 *)MCD_SingleNoEu_TDT)[0x000000d4], + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, +#ifdef MCD_INCLUDE_EU + (u32)MCD_ChainEu_TDT, + (u32)&((u8 *)MCD_ChainEu_TDT)[0x000001b4], + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + (u32)MCD_SingleEu_TDT, + (u32)&((u8 *)MCD_SingleEu_TDT)[0x00000124], + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, +#endif + (u32)MCD_ENetRcv_TDT, + (u32)&((u8 *)MCD_ENetRcv_TDT)[0x000000a4], + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + (u32)MCD_ENetXmit_TDT, + (u32)&((u8 *)MCD_ENetXmit_TDT)[0x000000d0], + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, +}; +u32 MCD_ChainNoEu_TDT[] = +{ + 0x80004000, + 0x8118801b, + 0xb8c60018, + 0x10002b10, + 0x7000000d, + 0x018cf89f, + 0x6000000a, + 0x080cf89f, + 0x000001f8, + 0x98180364, + 0x8118801b, + 0xf8c6001a, + 0xb8c6601b, + 0x10002710, + 0x00000f18, + 0xb8c6001d, + 0x10001310, + 0x60000007, + 0x014cf88b, + 0x98c6001c, + 0x00000710, + 0x98c70018, + 0x10001f10, + 0x0000c818, + 0x000001f8, /* 0060(:0): NOP */ + 0xc1476018, + 0xc003231d, + 0x811a601b, + 0xc1862102, + 0x849be009, + 0x03fed7b8, + 0xda9b001b, + 0x9b9be01b, + 0x1000cb20, + 0x70000006, + 0x088cf88f, + 0x1000cb28, + 0x70000006, + 0x088cf88f, + 0x1000cb30, + 0x70000006, + 0x088cf88f, + 0x1000cb38, + 0x0000c728, + 0x000001f8, /* 00B0(:0): NOP */ + 0xc1476018, + 0xc003241d, + 0x811a601b, + 0xda9b001b, + 0x9b9be01b, + 0x0000d3a0, + 0xc1862102, + 0x849be009, + 0x0bfed7b8, + 0xda9b001b, + 0x9b9be01b, + 0x1000cb20, + 0x70000006, + 0x088cf88f, + 0x1000cb28, + 0x70000006, + 0x088cf88f, + 0x1000cb30, + 0x70000006, + 0x088cf88f, + 0x1000cb38, + 0x0000c728, + 0x000001f8, /* 010C(:0): NOP */ + 0x8118801b, + 0xd8c60018, + 0x98c6601c, + 0x6000000b, + 0x0c8cfc9f, + 0x000001f8, /* 0124(:0): NOP */ + 0xa146001e, + 0x10000b08, + 0x10002050, + 0xb8c60018, + 0x10002b10, + 0x7000000a, + 0x080cf89f, + 0x6000000d, + 0x018cf89f, + 0x000001f8, /* 014C(:0): NOP */ + 0x8618801b, + 0x7000000e, + 0x084cf21f, + 0xd8990336, + 0x8019801b, + 0x040001f8, + 0x000001f8, /* 0168(:0): NOP */ + 0x000001f8, /* 016C(:0): NOP */ +}; +u32 MCD_SingleNoEu_TDT[] = +{ + 0x8198001b, + 0x7000000d, + 0x080cf81f, + 0x8198801b, + 0x6000000e, + 0x084cf85f, + 0x000001f8, /* 0018(:0): NOP */ + 0x8298001b, + 0x7000000d, + 0x010cf81f, + 0x6000000e, + 0x018cf81f, + 0xc202601b, + 0xc002221c, + 0x809a601b, + 0xc10420c2, + 0x839be009, + 0x03fed7b8, + 0xda9b001b, + 0x9b9be01b, + 0x70000006, + 0x088cf889, + 0x1000cb28, + 0x70000006, + 0x088cf889, + 0x1000cb30, + 0x70000006, + 0x088cf889, + 0x0000cb38, + 0x000001f8, /* 0074(:0): NOP */ + 0xc202601b, + 0xc002229c, + 0x809a601b, + 0xda9b001b, + 0x9b9be01b, + 0x0000d3a0, + 0xc10420c2, + 0x839be009, + 0x0bfed7b8, + 0xda9b001b, + 0x9b9be01b, + 0x70000006, + 0x088cf889, + 0x1000cb28, + 0x70000006, + 0x088cf889, + 0x1000cb30, + 0x70000006, + 0x088cf889, + 0x0000cb38, + 0x000001f8, /* 00C8(:0): NOP */ + 0xc318022d, + 0x8018801b, + 0x040001f8, +}; +#ifdef MCD_INCLUDE_EU +u32 MCD_ChainEu_TDT[] = +{ + 0x80004000, + 0x8198801b, + 0xb8c68018, + 0x10002f10, + 0x7000000d, + 0x01ccf89f, + 0x6000000a, + 0x080cf89f, + 0x000001f8, + 0x981803a4, + 0x8198801b, + 0xf8c6801a, + 0xb8c6e01b, + 0x10002b10, + 0x00001318, + 0xb8c6801d, + 0x10001710, + 0x60000007, + 0x018cf88c, + 0x98c6801c, + 0x00000b10, + 0x98c78018, + 0x10002310, + 0x0000c820, + 0x000001f8, /* 0060(:0): NOP */ + 0x8698801b, + 0x7000000f, + 0x084cf2df, + 0xd899042d, + 0x8019801b, + 0x60000003, + 0x2cd7c7df, /* 007C(:979): DRD2B2: EU3(var13) */ + 0xd8990364, + 0x8019801b, + 0x60000003, + 0x2c17c7df, /* 008C(:981): DRD2B2: EU3(var1) */ + 0x000001f8, /* 0090(:0): NOP */ + 0xc1c7e018, + 0xc003a35e, + 0x819a601b, + 0xc206a142, + 0x851be009, + 0x63fe0000, + 0x0d4cfddf, + 0xda9b001b, + 0x9b9be01b, + 0x70000002, + 0x004cf81f, + 0x1000cb20, + 0x70000006, + 0x088cf891, + 0x1000cb28, + 0x70000006, + 0x088cf891, + 0x1000cb30, + 0x70000006, + 0x088cf891, + 0x1000cb38, + 0x0000c728, + 0x000001f8, /* 00EC(:0): NOP */ + 0xc1c7e018, + 0xc003a49e, + 0x819a601b, + 0xda9b001b, + 0x9b9be01b, + 0x0000d3a0, + 0xc206a142, + 0x851be009, + 0x6bfe0000, + 0x0d4cfddf, + 0xda9b001b, + 0x9b9be01b, + 0x70000002, + 0x004cf81f, + 0x1000cb20, + 0x70000006, + 0x088cf891, + 0x1000cb28, + 0x70000006, + 0x088cf891, + 0x1000cb30, + 0x70000006, + 0x088cf891, + 0x1000cb38, + 0x0000c728, + 0x000001f8, /* 0154(:0): NOP */ + 0x8198801b, + 0xd8c68018, + 0x98c6e01c, + 0x6000000b, + 0x0c8cfc9f, + 0x0000cc08, + 0xa1c6801e, + 0x10000f08, + 0x10002458, + 0xb8c68018, + 0x10002f10, + 0x7000000a, + 0x080cf89f, + 0x6000000d, + 0x01ccf89f, + 0x000001f8, /* 0194(:0): NOP */ + 0x8698801b, + 0x7000000e, + 0x084cf25f, + 0xd899037f, + 0x8019801b, + 0x040001f8, + 0x000001f8, /* 01B0(:0): NOP */ + 0x000001f8, /* 01B4(:0): NOP */ +}; +u32 MCD_SingleEu_TDT[] = +{ + 0x8218001b, + 0x7000000d, + 0x080cf81f, + 0x8218801b, + 0x6000000e, + 0x084cf85f, + 0x000001f8, /* 0018(:0): NOP */ + 0x8318001b, + 0x7000000d, + 0x014cf81f, + 0x6000000e, + 0x01ccf81f, + 0x8498001b, + 0x7000000f, + 0x080cf19f, + 0xd81882a4, + 0x8019001b, + 0x60000003, + 0x2c97c7df, + 0xd818826d, + 0x8019001b, + 0x60000003, + 0x2c17c7df, + 0x000001f8, /* 005C(:0): NOP */ + 0xc282e01b, + 0xc002a25e, + 0x811a601b, + 0xc184a102, + 0x841be009, + 0x63fe0000, + 0x0d4cfddf, + 0xda9b001b, + 0x9b9be01b, + 0x70000002, + 0x004cf99f, + 0x70000006, + 0x088cf88b, + 0x1000cb28, + 0x70000006, + 0x088cf88b, + 0x1000cb30, + 0x70000006, + 0x088cf88b, + 0x0000cb38, + 0x000001f8, /* 00B0(:0): NOP */ + 0xc282e01b, + 0xc002a31e, + 0x811a601b, + 0xda9b001b, + 0x9b9be01b, + 0x0000d3a0, + 0xc184a102, + 0x841be009, + 0x6bfe0000, + 0x0d4cfddf, + 0xda9b001b, + 0x9b9be01b, + 0x70000002, + 0x004cf99f, + 0x70000006, + 0x088cf88b, + 0x1000cb28, + 0x70000006, + 0x088cf88b, + 0x1000cb30, + 0x70000006, + 0x088cf88b, + 0x0000cb38, + 0x000001f8, /* 0110(:0): NOP */ + 0x8144801c, + 0x0000c008, + 0xc398027f, + 0x8018801b, + 0x040001f8, +}; +#endif +u32 MCD_ENetRcv_TDT[] = +{ + 0x80004000, + 0x81988000, + 0x10000788, + 0x6000000a, + 0x080cf05f, + 0x98180209, + 0x81c40004, + 0x7000000e, + 0x010cf05f, + 0x7000000c, + 0x01ccf05f, + 0x70000004, + 0x014cf049, + 0x70000004, + 0x004cf04a, + 0x00000b88, + 0xc4030150, + 0x8119e012, + 0x03e0cf90, + 0x81188000, + 0x000ac788, + 0xc4030000, + 0x8199e000, + 0x63e00004, + 0x084cfc8b, + 0xd8990000, + 0x9999e000, + 0x60000005, + 0x0cccf841, + 0x81c60000, + 0xc399021b, + 0x80198000, + 0x00008400, + 0x00000f08, + 0x81988000, + 0x10000788, + 0x6000000a, + 0x080cf05f, + 0xc2188209, + 0x80190000, + 0x040001f8, + 0x000001f8, +}; +u32 MCD_ENetXmit_TDT[] = +{ + 0x80004000, + 0x81988000, + 0x10000788, + 0x6000000a, + 0x080cf05f, + 0x98180309, + 0x80004003, + 0x81c60004, + 0x7000000e, + 0x014cf05f, + 0x7000000c, + 0x028cf05f, + 0x7000000d, + 0x018cf05f, + 0x70000004, + 0x01ccf04d, + 0x10000b90, + 0x60000004, + 0x020cf0a1, + 0xc3188312, + 0x83c70000, + 0x00001f10, + 0xc583a3c3, + 0x81042325, + 0x03e0c798, + 0xd8990000, + 0x9999e000, + 0x000acf98, + 0xd8992306, + 0x9999e03f, + 0x03eac798, + 0xd8990000, + 0x9999e000, + 0x000acf98, + 0xd8990000, + 0x99832302, + 0x0beac798, + 0x81988000, + 0x6000000b, + 0x0c4cfc5f, + 0x81c80000, + 0xc5190312, + 0x80198000, + 0x00008400, + 0x00000f08, + 0x81988000, + 0x10000788, + 0x6000000a, + 0x080cf05f, + 0xc2988309, + 0x80190000, + 0x040001f8, + 0x000001f8, +}; + +#ifdef MCD_INCLUDE_EU +MCD_bufDesc MCD_singleBufDescs[NCHANNELS]; +#endif diff --git a/arch/m68k/platform/coldfire/MCD_tasksInit.c b/arch/m68k/platform/coldfire/MCD_tasksInit.c new file mode 100644 index 0000000..f9b46bc --- /dev/null +++ b/arch/m68k/platform/coldfire/MCD_tasksInit.c @@ -0,0 +1,275 @@ +/* + * drivers/dma/MCD_tasksInit.c + * + * Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved. + * Kurt Mahan + * Shrek Wu b16972@freescale.com + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * Autogenerated - Do not edit! + */ + +#include "MCD_dma.h" + +extern dmaRegs *MCD_dmaBar; + + +/* + * Task 0 + */ + +void MCD_startDmaChainNoEu(int *currBD, short srcIncr, + short destIncr, int xferSize, short xferSizeIncr, + int *cSave, volatile TaskTableEntry *taskTable, + int channel) +{ + + MCD_SET_VAR(taskTable+channel, 2, (u32)currBD); /* var[2] */ + MCD_SET_VAR(taskTable+channel, 25, + (u32)(0xe000 << 16) | (0xffff & srcIncr)); + /* inc[1] */ + MCD_SET_VAR(taskTable+channel, 24, + (u32)(0xe000 << 16) | (0xffff & destIncr)); + /* inc[0] */ + MCD_SET_VAR(taskTable+channel, 11, (u32)xferSize); /* var[11] */ + MCD_SET_VAR(taskTable+channel, 26, + (u32)(0x2000 << 16) | (0xffff & xferSizeIncr)); + /* inc[2] */ + MCD_SET_VAR(taskTable+channel, 0, (u32)cSave); /* var[0] */ + MCD_SET_VAR(taskTable+channel, 1, (u32)0x00000000); /* var[1] */ + MCD_SET_VAR(taskTable+channel, 3, (u32)0x00000000); /* var[3] */ + MCD_SET_VAR(taskTable+channel, 4, (u32)0x00000000); /* var[4] */ + MCD_SET_VAR(taskTable+channel, 5, (u32)0x00000000); /* var[5] */ + MCD_SET_VAR(taskTable+channel, 6, (u32)0x00000000); /* var[6] */ + MCD_SET_VAR(taskTable+channel, 7, (u32)0x00000000); /* var[7] */ + MCD_SET_VAR(taskTable+channel, 8, (u32)0x00000000); /* var[8] */ + MCD_SET_VAR(taskTable+channel, 9, (u32)0x00000000); /* var[9] */ + MCD_SET_VAR(taskTable+channel, 10, (u32)0x00000000); /* var[10] */ + MCD_SET_VAR(taskTable+channel, 12, (u32)0x00000000); /* var[12] */ + MCD_SET_VAR(taskTable+channel, 13, (u32)0x80000000); /* var[13] */ + MCD_SET_VAR(taskTable+channel, 14, (u32)0x00000010); /* var[14] */ + MCD_SET_VAR(taskTable+channel, 15, (u32)0x00000004); /* var[15] */ + MCD_SET_VAR(taskTable+channel, 16, (u32)0x08000000); /* var[16] */ + MCD_SET_VAR(taskTable+channel, 27, (u32)0x00000000); /* inc[3] */ + MCD_SET_VAR(taskTable+channel, 28, (u32)0x80000000); /* inc[4] */ + MCD_SET_VAR(taskTable+channel, 29, (u32)0x80000001); /* inc[5] */ + MCD_SET_VAR(taskTable+channel, 30, (u32)0x40000000); /* inc[6] */ + + /* Set the task's Enable bit in its Task Control Register */ + MCD_dmaBar->taskControl[channel] |= (u16)0x8000; +} + + +/* + * Task 1 + */ + +void MCD_startDmaSingleNoEu(char *srcAddr, short srcIncr, + char *destAddr, short destIncr, int dmaSize, + short xferSizeIncr, int flags, int *currBD, int *cSave, + volatile TaskTableEntry *taskTable, int channel) +{ + + MCD_SET_VAR(taskTable+channel, 7, (u32)srcAddr); /* var[7] */ + MCD_SET_VAR(taskTable+channel, 25, + (u32)(0xe000 << 16) | (0xffff & srcIncr)); + /* inc[1] */ + MCD_SET_VAR(taskTable+channel, 2, (u32)destAddr); /* var[2] */ + MCD_SET_VAR(taskTable+channel, 24, + (u32)(0xe000 << 16) | (0xffff & destIncr)); + /* inc[0] */ + MCD_SET_VAR(taskTable+channel, 3, (u32)dmaSize); /* var[3] */ + MCD_SET_VAR(taskTable+channel, 26, + (u32)(0x2000 << 16) | (0xffff & xferSizeIncr)); + /* inc[2] */ + MCD_SET_VAR(taskTable+channel, 5, (u32)flags); /* var[5] */ + MCD_SET_VAR(taskTable+channel, 1, (u32)currBD); /* var[1] */ + MCD_SET_VAR(taskTable+channel, 0, (u32)cSave); /* var[0] */ + MCD_SET_VAR(taskTable+channel, 4, (u32)0x00000000); /* var[4] */ + MCD_SET_VAR(taskTable+channel, 6, (u32)0x00000000); /* var[6] */ + MCD_SET_VAR(taskTable+channel, 8, (u32)0x00000000); /* var[8] */ + MCD_SET_VAR(taskTable+channel, 9, (u32)0x00000004); /* var[9] */ + MCD_SET_VAR(taskTable+channel, 10, (u32)0x08000000); /* var[10] */ + MCD_SET_VAR(taskTable+channel, 27, (u32)0x00000000); /* inc[3] */ + MCD_SET_VAR(taskTable+channel, 28, (u32)0x80000001); /* inc[4] */ + MCD_SET_VAR(taskTable+channel, 29, (u32)0x40000000); /* inc[5] */ + + /* Set the task's Enable bit in its Task Control Register */ + MCD_dmaBar->taskControl[channel] |= (u16)0x8000; +} + + +/* + * Task 2 + */ + +void MCD_startDmaChainEu(int *currBD, short srcIncr, short destIncr, + int xferSize, short xferSizeIncr, int *cSave, + volatile TaskTableEntry *taskTable, int channel) +{ + + MCD_SET_VAR(taskTable+channel, 3, (u32)currBD); /* var[3] */ + MCD_SET_VAR(taskTable+channel, 25, + (u32)(0xe000 << 16) | (0xffff & srcIncr)); + /* inc[1] */ + MCD_SET_VAR(taskTable+channel, 24, + (u32)(0xe000 << 16) | (0xffff & destIncr)); + /* inc[0] */ + MCD_SET_VAR(taskTable+channel, 12, (u32)xferSize); + /* var[12] */ + MCD_SET_VAR(taskTable+channel, 26, + (u32)(0x2000 << 16) | (0xffff & xferSizeIncr)); + /* inc[2] */ + MCD_SET_VAR(taskTable+channel, 0, (u32)cSave); /* var[0] */ + MCD_SET_VAR(taskTable+channel, 1, (u32)0x00000000); /* var[1] */ + MCD_SET_VAR(taskTable+channel, 2, (u32)0x00000000); /* var[2] */ + MCD_SET_VAR(taskTable+channel, 4, (u32)0x00000000); /* var[4] */ + MCD_SET_VAR(taskTable+channel, 5, (u32)0x00000000); /* var[5] */ + MCD_SET_VAR(taskTable+channel, 6, (u32)0x00000000); /* var[6] */ + MCD_SET_VAR(taskTable+channel, 7, (u32)0x00000000); /* var[7] */ + MCD_SET_VAR(taskTable+channel, 8, (u32)0x00000000); /* var[8] */ + MCD_SET_VAR(taskTable+channel, 9, (u32)0x00000000); /* var[9] */ + MCD_SET_VAR(taskTable+channel, 10, (u32)0x00000000); /* var[10] */ + MCD_SET_VAR(taskTable+channel, 11, (u32)0x00000000); /* var[11] */ + MCD_SET_VAR(taskTable+channel, 13, (u32)0x00000000); /* var[13] */ + MCD_SET_VAR(taskTable+channel, 14, (u32)0x80000000); /* var[14] */ + MCD_SET_VAR(taskTable+channel, 15, (u32)0x00000010); /* var[15] */ + MCD_SET_VAR(taskTable+channel, 16, (u32)0x00000001); /* var[16] */ + MCD_SET_VAR(taskTable+channel, 17, (u32)0x00000004); /* var[17] */ + MCD_SET_VAR(taskTable+channel, 18, (u32)0x08000000); /* var[18] */ + MCD_SET_VAR(taskTable+channel, 27, (u32)0x00000000); /* inc[3] */ + MCD_SET_VAR(taskTable+channel, 28, (u32)0x80000000); /* inc[4] */ + MCD_SET_VAR(taskTable+channel, 29, (u32)0xc0000000); /* inc[5] */ + MCD_SET_VAR(taskTable+channel, 30, (u32)0x80000001); /* inc[6] */ + MCD_SET_VAR(taskTable+channel, 31, (u32)0x40000000); /* inc[7] */ + + /* Set the task's Enable bit in its Task Control Register */ + MCD_dmaBar->taskControl[channel] |= (u16)0x8000; +} + + +/* + * Task 3 + */ + +void MCD_startDmaSingleEu(char *srcAddr, short srcIncr, + char *destAddr, short destIncr, int dmaSize, + short xferSizeIncr, int flags, int *currBD, int *cSave, + volatile TaskTableEntry *taskTable, int channel) +{ + + MCD_SET_VAR(taskTable+channel, 8, (u32)srcAddr); /* var[8] */ + MCD_SET_VAR(taskTable+channel, 25, + (u32)(0xe000 << 16) | (0xffff & srcIncr)); /* inc[1] */ + MCD_SET_VAR(taskTable+channel, 3, (u32)destAddr); /* var[3] */ + MCD_SET_VAR(taskTable+channel, 24, + (u32)(0xe000 << 16) | (0xffff & destIncr)); /* inc[0] */ + MCD_SET_VAR(taskTable+channel, 4, (u32)dmaSize); /* var[4] */ + MCD_SET_VAR(taskTable+channel, 26, + (u32)(0x2000 << 16) | (0xffff & xferSizeIncr)); /* inc[2] */ + MCD_SET_VAR(taskTable+channel, 6, (u32)flags); /* var[6] */ + MCD_SET_VAR(taskTable+channel, 2, (u32)currBD); /* var[2] */ + MCD_SET_VAR(taskTable+channel, 0, (u32)cSave); /* var[0] */ + MCD_SET_VAR(taskTable+channel, 1, (u32)0x00000000); /* var[1] */ + MCD_SET_VAR(taskTable+channel, 5, (u32)0x00000000); /* var[5] */ + MCD_SET_VAR(taskTable+channel, 7, (u32)0x00000000); /* var[7] */ + MCD_SET_VAR(taskTable+channel, 9, (u32)0x00000000); /* var[9] */ + MCD_SET_VAR(taskTable+channel, 10, (u32)0x00000001); /* var[10] */ + MCD_SET_VAR(taskTable+channel, 11, (u32)0x00000004); /* var[11] */ + MCD_SET_VAR(taskTable+channel, 12, (u32)0x08000000); /* var[12] */ + MCD_SET_VAR(taskTable+channel, 27, (u32)0x00000000); /* inc[3] */ + MCD_SET_VAR(taskTable+channel, 28, (u32)0xc0000000); /* inc[4] */ + MCD_SET_VAR(taskTable+channel, 29, (u32)0x80000000); /* inc[5] */ + MCD_SET_VAR(taskTable+channel, 30, (u32)0x80000001); /* inc[6] */ + MCD_SET_VAR(taskTable+channel, 31, (u32)0x40000000); /* inc[7] */ + + /* Set the task's Enable bit in its Task Control Register */ + MCD_dmaBar->taskControl[channel] |= (u16)0x8000; +} + + +/* + * Task 4 + */ + +void MCD_startDmaENetRcv(char *bDBase, char *currBD, char *rcvFifoPtr, + volatile TaskTableEntry *taskTable, int channel) +{ + + MCD_SET_VAR(taskTable+channel, 0, (u32)bDBase); /* var[0] */ + MCD_SET_VAR(taskTable+channel, 3, (u32)currBD); /* var[3] */ + MCD_SET_VAR(taskTable+channel, 6, (u32)rcvFifoPtr); /* var[6] */ + MCD_SET_VAR(taskTable+channel, 1, (u32)0x00000000); /* var[1] */ + MCD_SET_VAR(taskTable+channel, 2, (u32)0x00000000); /* var[2] */ + MCD_SET_VAR(taskTable+channel, 4, (u32)0x00000000); /* var[4] */ + MCD_SET_VAR(taskTable+channel, 5, (u32)0x00000000); /* var[5] */ + MCD_SET_VAR(taskTable+channel, 7, (u32)0x00000000); /* var[7] */ + MCD_SET_VAR(taskTable+channel, 8, (u32)0x00000000); /* var[8] */ + MCD_SET_VAR(taskTable+channel, 9, (u32)0x0000ffff); /* var[9] */ + MCD_SET_VAR(taskTable+channel, 10, (u32)0x30000000); /* var[10] */ + MCD_SET_VAR(taskTable+channel, 11, (u32)0x0fffffff); /* var[11] */ + MCD_SET_VAR(taskTable+channel, 12, (u32)0x00000008); /* var[12] */ + MCD_SET_VAR(taskTable+channel, 24, (u32)0x00000000); /* inc[0] */ + MCD_SET_VAR(taskTable+channel, 25, (u32)0x60000000); /* inc[1] */ + MCD_SET_VAR(taskTable+channel, 26, (u32)0x20000004); /* inc[2] */ + MCD_SET_VAR(taskTable+channel, 27, (u32)0x40000000); /* inc[3] */ + + /* Set the task's Enable bit in its Task Control Register */ + MCD_dmaBar->taskControl[channel] |= (u16)0x8000; +} + + +/* + * Task 5 + */ + +void MCD_startDmaENetXmit(char *bDBase, char *currBD, + char *xmitFifoPtr, volatile TaskTableEntry *taskTable, + int channel) +{ + + MCD_SET_VAR(taskTable+channel, 0, (u32)bDBase); /* var[0] */ + MCD_SET_VAR(taskTable+channel, 3, (u32)currBD); /* var[3] */ + MCD_SET_VAR(taskTable+channel, 11, (u32)xmitFifoPtr); /* var[11] */ + MCD_SET_VAR(taskTable+channel, 1, (u32)0x00000000); /* var[1] */ + MCD_SET_VAR(taskTable+channel, 2, (u32)0x00000000); /* var[2] */ + MCD_SET_VAR(taskTable+channel, 4, (u32)0x00000000); /* var[4] */ + MCD_SET_VAR(taskTable+channel, 5, (u32)0x00000000); /* var[5] */ + MCD_SET_VAR(taskTable+channel, 6, (u32)0x00000000); /* var[6] */ + MCD_SET_VAR(taskTable+channel, 7, (u32)0x00000000); /* var[7] */ + MCD_SET_VAR(taskTable+channel, 8, (u32)0x00000000); /* var[8] */ + MCD_SET_VAR(taskTable+channel, 9, (u32)0x00000000); /* var[9] */ + MCD_SET_VAR(taskTable+channel, 10, (u32)0x00000000); /* var[10] */ + MCD_SET_VAR(taskTable+channel, 12, (u32)0x00000000); /* var[12] */ + MCD_SET_VAR(taskTable+channel, 13, (u32)0x0000ffff); /* var[13] */ + MCD_SET_VAR(taskTable+channel, 14, (u32)0xffffffff); /* var[14] */ + MCD_SET_VAR(taskTable+channel, 15, (u32)0x00000004); /* var[15] */ + MCD_SET_VAR(taskTable+channel, 16, (u32)0x00000008); /* var[16] */ + MCD_SET_VAR(taskTable+channel, 24, (u32)0x00000000); /* inc[0] */ + MCD_SET_VAR(taskTable+channel, 25, (u32)0x60000000); /* inc[1] */ + MCD_SET_VAR(taskTable+channel, 26, (u32)0x40000000); /* inc[2] */ + MCD_SET_VAR(taskTable+channel, 27, (u32)0xc000fffc); /* inc[3] */ + MCD_SET_VAR(taskTable+channel, 28, (u32)0xe0000004); /* inc[4] */ + MCD_SET_VAR(taskTable+channel, 29, (u32)0x80000000); /* inc[5] */ + MCD_SET_VAR(taskTable+channel, 30, (u32)0x4000ffff); /* inc[6] */ + MCD_SET_VAR(taskTable+channel, 31, (u32)0xe0000001); /* inc[7] */ + + /* Set the task's Enable bit in its Task Control Register */ + MCD_dmaBar->taskControl[channel] |= (u16)0x8000; +} diff --git a/arch/m68k/platform/coldfire/MCD_tasksInit.h b/arch/m68k/platform/coldfire/MCD_tasksInit.h new file mode 100644 index 0000000..14fac25 --- /dev/null +++ b/arch/m68k/platform/coldfire/MCD_tasksInit.h @@ -0,0 +1,84 @@ +/* + * drivers/dma/MCD_tasksInit.h + * + * Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved. + * Kurt Mahan + * Shrek Wu b16972@freescale.com + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#ifndef MCD_TSK_INIT_H +#define MCD_TSK_INIT_H 1 + +/* + * Autogenerated - Do not edit! + */ + +/* + * Task 0 + */ +void MCD_startDmaChainNoEu(int *currBD, short srcIncr, + short destIncr, int xferSize, + short xferSizeIncr, int *cSave, + volatile TaskTableEntry *taskTable, + int channel); + + +/* + * Task 1 + */ +void MCD_startDmaSingleNoEu(char *srcAddr, short srcIncr, + char *destAddr, short destIncr, int dmaSize, + short xferSizeIncr, int flags, int *currBD, + int *cSave, volatile TaskTableEntry *taskTable, + int channel); + + +/* + * Task 2 + */ +void MCD_startDmaChainEu(int *currBD, short srcIncr, short destIncr, + int xferSize, short xferSizeIncr, int *cSave, + volatile TaskTableEntry *taskTable, + int channel); + + +/* + * Task 3 + */ +void MCD_startDmaSingleEu(char *srcAddr, short srcIncr, + char *destAddr, short destIncr, int dmaSize, + short xferSizeIncr, int flags, int *currBD, + int *cSave, volatile TaskTableEntry *taskTable, + int channel); + + +/* + * Task 4 + */ +void MCD_startDmaENetRcv(char *bDBase, char *currBD, + char *rcvFifoPtr, + volatile TaskTableEntry *taskTable, int channel); + + +/* + * Task 5 + */ +void MCD_startDmaENetXmit(char *bDBase, char *currBD, + char *xmitFifoPtr, + volatile TaskTableEntry *taskTable, int channel); + +#endif /* MCD_TSK_INIT_H */ diff --git a/arch/m68k/platform/coldfire/Makefile b/arch/m68k/platform/coldfire/Makefile index 02591a10..909b8b5 100644 --- a/arch/m68k/platform/coldfire/Makefile +++ b/arch/m68k/platform/coldfire/Makefile @@ -37,5 +37,8 @@ obj-$(CONFIG_MCF8390) += mcf8390.o obj-$(CONFIG_PCI) += pci.o +obj-$(CONFIG_MCD_DMA) += mcddma.o dma-54xx.o +mcddma-objs := MCD_dmaApi.o MCD_tasks.o MCD_tasksInit.o + obj-y += gpio.o extra-y := head.o diff --git a/arch/m68k/platform/coldfire/dma-54xx.c b/arch/m68k/platform/coldfire/dma-54xx.c new file mode 100644 index 0000000..da5a62b --- /dev/null +++ b/arch/m68k/platform/coldfire/dma-54xx.c @@ -0,0 +1,515 @@ +/* + * arch/m68k/platform/coldfire/dma-54xx.c + * + * Coldfire M547x/M548x DMA + * + * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved. + * Kurt Mahan + * Shrek Wu b16972@freescale.com + * + * This code is based on patches from the Freescale M547x_8x BSP + * release mcf547x_8x-20070107-ltib.iso + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define ISC_DMA 48 + +/* + * This global keeps track of which initiators have been + * used of the available assignments. Initiators 0-15 are + * hardwired. Initiators 16-31 are multiplexed and controlled + * via the Initiatior Mux Control Registe (IMCR). The + * assigned requestor is stored with the associated initiator + * number. + */ +static int used_reqs[32] = { + DMA_ALWAYS, DMA_DSPI_RX, DMA_DSPI_TX, DMA_DREQ0, + DMA_PSC0_RX, DMA_PSC0_TX, DMA_USBEP0, DMA_USBEP1, + DMA_USBEP2, DMA_USBEP3, DMA_PCI_TX, DMA_PCI_RX, + DMA_PSC1_RX, DMA_PSC1_TX, DMA_I2C_RX, DMA_I2C_TX, + 0, 0, 0, 0, + 0, 0, 0, 0, + 0, 0, 0, 0, + 0, 0, 0, 0 +}; + +/* + * This global keeps track of which channels have been assigned + * to tasks. This methology assumes that no single initiator + * will be tied to more than one task/channel + */ +static char used_channel[16] = { + -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1 +}; + +unsigned int connected_channel[16] = { + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0 +}; + +/** + * dma_set_initiator - enable initiator + * @initiator: initiator identifier + * + * Returns 0 of successful, non-zero otherwise + * + * Attempt to enable the provided Initiator in the Initiator + * Mux Control Register. + */ +int dma_set_initiator(int initiator) +{ + switch (initiator) { + case DMA_ALWAYS: + case DMA_DSPI_RX: + case DMA_DSPI_TX: + case DMA_DREQ0: + case DMA_PSC0_RX: + case DMA_PSC0_TX: + case DMA_USBEP0: + case DMA_USBEP1: + case DMA_USBEP2: + case DMA_USBEP3: + case DMA_PCI_TX: + case DMA_PCI_RX: + case DMA_PSC1_RX: + case DMA_PSC1_TX: + case DMA_I2C_RX: + case DMA_I2C_TX: + /* + * These initiators are always active + */ + break; + + case DMA_FEC0_RX: + MCF_DMA_IMCR = (MCF_DMA_IMCR & ~MCF_DMA_IMCR_SRC16(3)) + | MCF_DMA_IMCR_SRC16_FEC0RX; + used_reqs[16] = DMA_FEC0_RX; + break; + + case DMA_FEC0_TX: + MCF_DMA_IMCR = (MCF_DMA_IMCR & ~MCF_DMA_IMCR_SRC17(3)) + | MCF_DMA_IMCR_SRC17_FEC0TX; + used_reqs[17] = DMA_FEC0_TX; + break; + + case DMA_FEC1_RX: + MCF_DMA_IMCR = (MCF_DMA_IMCR & ~MCF_DMA_IMCR_SRC20(3)) + | MCF_DMA_IMCR_SRC20_FEC1RX; + used_reqs[20] = DMA_FEC1_RX; + break; + + case DMA_FEC1_TX: + if (used_reqs[21] == 0) { + MCF_DMA_IMCR = (MCF_DMA_IMCR & ~MCF_DMA_IMCR_SRC21(3)) + | MCF_DMA_IMCR_SRC21_FEC1TX; + used_reqs[21] = DMA_FEC1_TX; + } else if (used_reqs[25] == 0) { + MCF_DMA_IMCR = (MCF_DMA_IMCR & ~MCF_DMA_IMCR_SRC25(3)) + | MCF_DMA_IMCR_SRC25_FEC1TX; + used_reqs[25] = DMA_FEC1_TX; + } else if (used_reqs[31] == 0) { + MCF_DMA_IMCR = (MCF_DMA_IMCR & ~MCF_DMA_IMCR_SRC31(3)) + | MCF_DMA_IMCR_SRC31_FEC1TX; + used_reqs[31] = DMA_FEC1_TX; + } else /* No empty slots */ + return 1; + break; + + case DMA_DREQ1: + if (used_reqs[29] == 0) { + MCF_DMA_IMCR = (MCF_DMA_IMCR & ~MCF_DMA_IMCR_SRC29(3)) + | MCF_DMA_IMCR_SRC29_DREQ1; + used_reqs[29] = DMA_DREQ1; + } else if (used_reqs[21] == 0) { + MCF_DMA_IMCR = (MCF_DMA_IMCR & ~MCF_DMA_IMCR_SRC21(3)) + | MCF_DMA_IMCR_SRC21_DREQ1; + used_reqs[21] = DMA_DREQ1; + } else /* No empty slots */ + return 1; + break; + + case DMA_CTM0: + if (used_reqs[24] == 0) { + MCF_DMA_IMCR = (MCF_DMA_IMCR & ~MCF_DMA_IMCR_SRC24(3)) + | MCF_DMA_IMCR_SRC24_CTM0; + used_reqs[24] = DMA_CTM0; + } else /* No empty slots */ + return 1; + break; + + case DMA_CTM1: + if (used_reqs[25] == 0) { + MCF_DMA_IMCR = (MCF_DMA_IMCR & ~MCF_DMA_IMCR_SRC25(3)) + | MCF_DMA_IMCR_SRC25_CTM1; + used_reqs[25] = DMA_CTM1; + } else /* No empty slots */ + return 1; + break; + + case DMA_CTM2: + if (used_reqs[26] == 0) { + MCF_DMA_IMCR = (MCF_DMA_IMCR & ~MCF_DMA_IMCR_SRC26(3)) + | MCF_DMA_IMCR_SRC26_CTM2; + used_reqs[26] = DMA_CTM2; + } else /* No empty slots */ + return 1; + break; + + case DMA_CTM3: + if (used_reqs[27] == 0) { + MCF_DMA_IMCR = (MCF_DMA_IMCR & ~MCF_DMA_IMCR_SRC27(3)) + | MCF_DMA_IMCR_SRC27_CTM3; + used_reqs[27] = DMA_CTM3; + } else /* No empty slots */ + return 1; + break; + + case DMA_CTM4: + if (used_reqs[28] == 0) { + MCF_DMA_IMCR = (MCF_DMA_IMCR & ~MCF_DMA_IMCR_SRC28(3)) + | MCF_DMA_IMCR_SRC28_CTM4; + used_reqs[28] = DMA_CTM4; + } else /* No empty slots */ + return 1; + break; + + case DMA_CTM5: + if (used_reqs[29] == 0) { + MCF_DMA_IMCR = (MCF_DMA_IMCR & ~MCF_DMA_IMCR_SRC29(3)) + | MCF_DMA_IMCR_SRC29_CTM5; + used_reqs[29] = DMA_CTM5; + } else /* No empty slots */ + return 1; + break; + + case DMA_CTM6: + if (used_reqs[30] == 0) { + MCF_DMA_IMCR = (MCF_DMA_IMCR & ~MCF_DMA_IMCR_SRC30(3)) + | MCF_DMA_IMCR_SRC30_CTM6; + used_reqs[30] = DMA_CTM6; + } else /* No empty slots */ + return 1; + break; + + case DMA_CTM7: + if (used_reqs[31] == 0) { + MCF_DMA_IMCR = (MCF_DMA_IMCR & ~MCF_DMA_IMCR_SRC31(3)) + | MCF_DMA_IMCR_SRC31_CTM7; + used_reqs[31] = DMA_CTM7; + } else /* No empty slots */ + return 1; + break; + + case DMA_USBEP4: + if (used_reqs[26] == 0) { + MCF_DMA_IMCR = (MCF_DMA_IMCR & ~MCF_DMA_IMCR_SRC26(3)) + | MCF_DMA_IMCR_SRC26_USBEP4; + used_reqs[26] = DMA_USBEP4; + } else /* No empty slots */ + return 1; + break; + + case DMA_USBEP5: + if (used_reqs[27] == 0) { + MCF_DMA_IMCR = (MCF_DMA_IMCR & ~MCF_DMA_IMCR_SRC27(3)) + | MCF_DMA_IMCR_SRC27_USBEP5; + used_reqs[27] = DMA_USBEP5; + } else /* No empty slots */ + return 1; + break; + + case DMA_USBEP6: + if (used_reqs[28] == 0) { + MCF_DMA_IMCR = (MCF_DMA_IMCR & ~MCF_DMA_IMCR_SRC28(3)) + | MCF_DMA_IMCR_SRC28_USBEP6; + used_reqs[28] = DMA_USBEP6; + } else /* No empty slots */ + return 1; + break; + + case DMA_PSC2_RX: + if (used_reqs[28] == 0) { + MCF_DMA_IMCR = (MCF_DMA_IMCR & ~MCF_DMA_IMCR_SRC28(3)) + | MCF_DMA_IMCR_SRC28_PSC2RX; + used_reqs[28] = DMA_PSC2_RX; + } else /* No empty slots */ + return 1; + break; + + case DMA_PSC2_TX: + if (used_reqs[29] == 0) { + MCF_DMA_IMCR = (MCF_DMA_IMCR & ~MCF_DMA_IMCR_SRC29(3)) + | MCF_DMA_IMCR_SRC29_PSC2TX; + used_reqs[29] = DMA_PSC2_TX; + } else /* No empty slots */ + return 1; + break; + + case DMA_PSC3_RX: + if (used_reqs[30] == 0) { + MCF_DMA_IMCR = (MCF_DMA_IMCR & ~MCF_DMA_IMCR_SRC30(3)) + | MCF_DMA_IMCR_SRC30_PSC3RX; + used_reqs[30] = DMA_PSC3_RX; + } else /* No empty slots */ + return 1; + break; + + case DMA_PSC3_TX: + if (used_reqs[31] == 0) { + MCF_DMA_IMCR = (MCF_DMA_IMCR & ~MCF_DMA_IMCR_SRC31(3)) + | MCF_DMA_IMCR_SRC31_PSC3TX; + used_reqs[31] = DMA_PSC3_TX; + } else /* No empty slots */ + return 1; + break; + + default: + return 1; + } + return 0; +} + +/** + * dma_get_initiator - get the initiator for the given requestor + * @requestor: initiator identifier + * + * Returns initiator number (0-31) if assigned or just 0 + */ +unsigned int dma_get_initiator(int requestor) +{ + u32 i; + + for (i = 0; i < sizeof(used_reqs); ++i) { + if (used_reqs[i] == requestor) + return i; + } + return 0; +} + +/** + * dma_remove_initiator - remove the given initiator from active list + * @requestor: requestor to remove + */ +void dma_remove_initiator(int requestor) +{ + u32 i; + + for (i = 0; i < sizeof(used_reqs); ++i) { + if (used_reqs[i] == requestor) { + used_reqs[i] = -1; + break; + } + } +} + +/** + * dma_set_channel_fec: find available channel for fec and mark + * @requestor: initiator/requestor identifier + * + * Returns first avaialble channel (0-5) or -1 if all occupied + */ +int dma_set_channel_fec(int requestor) +{ + u32 i, t; + +#ifdef CONFIG_FEC_M54xx_ENABLE_FEC2 + t = 4; +#else + t = 2; +#endif + + for (i = 0; i < t ; ++i) { + if (used_channel[i] == -1) { + used_channel[i] = requestor; + return i; + } + } + /* All channels taken */ + return -1; +} + +/** + * dma_set_channel - find an available channel and mark as used + * @requestor: initiator/requestor identifier + * + * Returns first available channel (6-15) or -1 if all occupied + */ +int dma_set_channel(int requestor) +{ + u32 i; +#ifdef CONFIG_NET_FEC2 + i = 4; +#else + i = 2; +#endif + + for (; i < 16; ++i) + if (used_channel[i] == -1) { + used_channel[i] = requestor; + return i; + } + + /* All channels taken */ + return -1; +} + +/** + * dma_get_channel - get the channel being initiated by the requestor + * @requestor: initiator/requestor identifier + * + * Returns Initiator for requestor or -1 if not found + */ +int dma_get_channel(int requestor) +{ + u32 i; + + for (i = 0; i < sizeof(used_channel); ++i) { + if (used_channel[i] == requestor) + return i; + } + return -1; +} + +/** + * dma_connect - connect a channel with reference on data + * @channel: channel number + * @address: reference address of data + * + * Returns 0 if success or -1 if invalid channel + */ +int dma_connect(int channel, int address) +{ + if ((channel < 16) && (channel >= 0)) { + connected_channel[channel] = address; + return 0; + } + return -1; +} + +/** + * dma_disconnect - disconnect a channel + * @channel: channel number + * + * Returns 0 if success or -1 if invalid channel + */ +int dma_disconnect(int channel) +{ + if ((channel < 16) && (channel >= 0)) { + connected_channel[channel] = 0; + return 0; + } + return -1; +} + +/** + * dma_remove_channel - remove channel from the active list + * @requestor: initiator/requestor identifier + */ +void dma_remove_channel(int requestor) +{ + u32 i; + + for (i = 0; i < sizeof(used_channel); ++i) { + if (used_channel[i] == requestor) { + used_channel[i] = -1; + break; + } + } +} + +/** + * dma_interrupt_handler - dma interrupt handler + * @irq: interrupt number + * @dev_id: data + * + * Returns IRQ_HANDLED + */ +irqreturn_t dma_interrupt_handler(int irq, void *dev_id) +{ + u32 i, interrupts; + + /* + * Determine which interrupt(s) triggered by AND'ing the + * pending interrupts with those that aren't masked. + */ + interrupts = MCF_DMA_DIPR; + MCF_DMA_DIPR = interrupts; + + for (i = 0; i < 16; ++i, interrupts >>= 1) { + if (interrupts & 0x1) + if (connected_channel[i] != 0) + ((void (*)(void)) (connected_channel[i])) (); + } + + return IRQ_HANDLED; +} + +/** + * dma_remove_channel_by_number - clear dma channel + * @channel: channel number to clear + */ +void dma_remove_channel_by_number(int channel) +{ + if ((channel < sizeof(used_channel)) && (channel >= 0)) + used_channel[channel] = -1; +} + +/** + * dma_init - initialize the dma subsystem + * + * Returns 0 if success non-zero if failure + * + * Handles the DMA initialization during device setup. + */ +int __devinit dma_init() +{ + int result; + char *dma_version_str; + + MCD_getVersion(&dma_version_str); + printk(KERN_INFO "m54xx DMA: Initialize %s\n", dma_version_str); + + /* attempt to setup dma interrupt handler */ + if (request_irq(64 + ISC_DMA, dma_interrupt_handler, IRQF_DISABLED, + "MCD-DMA", NULL)) { + printk(KERN_ERR "MCD-DMA: Cannot allocate the DMA IRQ(48)\n"); + return 1; + } + + MCF_DMA_DIMR = 0; + MCF_DMA_DIPR = 0xFFFFFFFF; + + result = MCD_initDma((dmaRegs *) (MCF_MBAR + 0x8000), + (void *) SYS_SRAM_DMA_START, MCD_RELOC_TASKS); + if (result != MCD_OK) { + printk(KERN_ERR "MCD-DMA: Cannot perform DMA initialization\n"); + free_irq(64 + ISC_DMA, NULL); + return 1; + } + + return 0; +} +device_initcall(dma_init); -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/