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Date: Tue, 21 Aug 2012 14:18:50 +0200
From: Stany MARCEL <stany.marcel@...asys-ingenierie.com>
To: linux-m68k@...ts.linux-m68k.org
Cc: geert@...ux-m68k.org, linux-kernel@...r.kernel.org,
Stany MARCEL <stany.marcel@...asys-ingenierie.com>
Subject: [PATCH 2/3] Add support to Freescale M54xx Multi Channel DMA engine
Signed-off-by: Stany MARCEL <stany.marcel@...asys-ingenierie.com>
---
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@...escale.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 <asm/types.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
+ */
+ /*
+#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@...eon-central.com)
+ *
+ * AUG/17/2012 : added support for MCD DMA (M54xx) from freescale drivers
+ * Stany MARCEL (smarcel@...asys-ingenierie.com)
*/
#include <asm/coldfire.h>
@@ -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 <asm/coldfire.h>
+#include <asm/MCD_dma.h>
+#include <asm/m54xxdma.h>
+#include <asm/m54xxsram.h>
+
+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 <kmahan@...escale.com>
+ * Shrek Wu b16972@...escale.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 <kmahan@...escale.com>
+ * Shrek Wu b16972@...escale.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 <kmahan@...escale.com>
+ * Shrek Wu b16972@...escale.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 <kmahan@...escale.com>
+ * Shrek Wu b16972@...escale.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,
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+ 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,
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+ 0x00000000,
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+ 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,
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+ 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,
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+ 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,
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+ 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 */
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+ 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 */
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+ 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 */
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+ 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 */
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+ 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 */
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+ 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 */
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+ 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 */
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+ 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 <kmahan@...escale.com>
+ * Shrek Wu b16972@...escale.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 <kmahan@...escale.com>
+ * Shrek Wu b16972@...escale.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 <kmahan@...escale.com>
+ * Shrek Wu b16972@...escale.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 <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/dma.h>
+#include <asm/coldfire.h>
+
+#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
--
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