diff options
| author | TsiChungLiew <Tsi-Chung.Liew@freescale.com> | 2008-01-15 13:54:09 -0600 | 
|---|---|---|
| committer | TsiChungLiew <Tsi-Chung.Liew@freescale.com> | 2008-01-17 14:59:42 -0600 | 
| commit | 72f56adc0b25d43875ad067bae6be1bcea86b79f (patch) | |
| tree | 2c20a380ce66d45cb840e98fc9a86e5e9230b784 | |
| parent | ce09fc49b56ea3c442794b6be9b7db4b99dfdc87 (diff) | |
| download | olio-uboot-2014.01-72f56adc0b25d43875ad067bae6be1bcea86b79f.tar.xz olio-uboot-2014.01-72f56adc0b25d43875ad067bae6be1bcea86b79f.zip | |
ColdFire: Add MCF547x_8x dma code and header files
Signed-off-by: TsiChungLiew <Tsi-Chung.Liew@freescale.com>
Signed-off by: John Rigby <jrigby@freescale.com>
| -rw-r--r-- | drivers/dma/MCD_tasksInit.c | 247 | ||||
| -rw-r--r-- | drivers/dma/Makefile | 46 | ||||
| -rw-r--r-- | include/MCD_dma.h | 386 | ||||
| -rw-r--r-- | include/MCD_progCheck.h | 27 | ||||
| -rw-r--r-- | include/MCD_tasksInit.h | 60 | 
5 files changed, 766 insertions, 0 deletions
| diff --git a/drivers/dma/MCD_tasksInit.c b/drivers/dma/MCD_tasksInit.c new file mode 100644 index 000000000..0d28713b8 --- /dev/null +++ b/drivers/dma/MCD_tasksInit.c @@ -0,0 +1,247 @@ +/* + * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 <common.h> + +/* Functions for initializing variable tables of different types of tasks. */ + +/* + * Do not edit! + */ + +#ifdef CONFIG_FSLDMAFEC + +#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) +{ +	volatile TaskTableEntry *taskChan = taskTable + channel; + +	MCD_SET_VAR(taskChan, 2, (u32) currBD);	/* var[2] */ +	MCD_SET_VAR(taskChan, 25, (u32) (0xe000 << 16) | (0xffff & srcIncr));	/* inc[1] */ +	MCD_SET_VAR(taskChan, 24, (u32) (0xe000 << 16) | (0xffff & destIncr));	/* inc[0] */ +	MCD_SET_VAR(taskChan, 11, (u32) xferSize);	/* var[11] */ +	MCD_SET_VAR(taskChan, 26, (u32) (0x2000 << 16) | (0xffff & xferSizeIncr));	/* inc[2] */ +	MCD_SET_VAR(taskChan, 0, (u32) cSave);	/* var[0] */ +	MCD_SET_VAR(taskChan, 1, (u32) 0x00000000);	/* var[1] */ +	MCD_SET_VAR(taskChan, 3, (u32) 0x00000000);	/* var[3] */ +	MCD_SET_VAR(taskChan, 4, (u32) 0x00000000);	/* var[4] */ +	MCD_SET_VAR(taskChan, 5, (u32) 0x00000000);	/* var[5] */ +	MCD_SET_VAR(taskChan, 6, (u32) 0x00000000);	/* var[6] */ +	MCD_SET_VAR(taskChan, 7, (u32) 0x00000000);	/* var[7] */ +	MCD_SET_VAR(taskChan, 8, (u32) 0x00000000);	/* var[8] */ +	MCD_SET_VAR(taskChan, 9, (u32) 0x00000000);	/* var[9] */ +	MCD_SET_VAR(taskChan, 10, (u32) 0x00000000);	/* var[10] */ +	MCD_SET_VAR(taskChan, 12, (u32) 0x00000000);	/* var[12] */ +	MCD_SET_VAR(taskChan, 13, (u32) 0x80000000);	/* var[13] */ +	MCD_SET_VAR(taskChan, 14, (u32) 0x00000010);	/* var[14] */ +	MCD_SET_VAR(taskChan, 15, (u32) 0x00000004);	/* var[15] */ +	MCD_SET_VAR(taskChan, 16, (u32) 0x08000000);	/* var[16] */ +	MCD_SET_VAR(taskChan, 27, (u32) 0x00000000);	/* inc[3] */ +	MCD_SET_VAR(taskChan, 28, (u32) 0x80000000);	/* inc[4] */ +	MCD_SET_VAR(taskChan, 29, (u32) 0x80000001);	/* inc[5] */ +	MCD_SET_VAR(taskChan, 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) +{ +	volatile TaskTableEntry *taskChan = taskTable + channel; + +	MCD_SET_VAR(taskChan, 7, (u32) srcAddr);	/* var[7] */ +	MCD_SET_VAR(taskChan, 25, (u32) (0xe000 << 16) | (0xffff & srcIncr));	/* inc[1] */ +	MCD_SET_VAR(taskChan, 2, (u32) destAddr);	/* var[2] */ +	MCD_SET_VAR(taskChan, 24, (u32) (0xe000 << 16) | (0xffff & destIncr));	/* inc[0] */ +	MCD_SET_VAR(taskChan, 3, (u32) dmaSize);	/* var[3] */ +	MCD_SET_VAR(taskChan, 26, (u32) (0x2000 << 16) | (0xffff & xferSizeIncr));	/* inc[2] */ +	MCD_SET_VAR(taskChan, 5, (u32) flags);	/* var[5] */ +	MCD_SET_VAR(taskChan, 1, (u32) currBD);	/* var[1] */ +	MCD_SET_VAR(taskChan, 0, (u32) cSave);	/* var[0] */ +	MCD_SET_VAR(taskChan, 4, (u32) 0x00000000);	/* var[4] */ +	MCD_SET_VAR(taskChan, 6, (u32) 0x00000000);	/* var[6] */ +	MCD_SET_VAR(taskChan, 8, (u32) 0x00000000);	/* var[8] */ +	MCD_SET_VAR(taskChan, 9, (u32) 0x00000004);	/* var[9] */ +	MCD_SET_VAR(taskChan, 10, (u32) 0x08000000);	/* var[10] */ +	MCD_SET_VAR(taskChan, 27, (u32) 0x00000000);	/* inc[3] */ +	MCD_SET_VAR(taskChan, 28, (u32) 0x80000001);	/* inc[4] */ +	MCD_SET_VAR(taskChan, 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) +{ +	volatile TaskTableEntry *taskChan = taskTable + channel; + +	MCD_SET_VAR(taskChan, 3, (u32) currBD);	/* var[3] */ +	MCD_SET_VAR(taskChan, 25, (u32) (0xe000 << 16) | (0xffff & srcIncr));	/* inc[1] */ +	MCD_SET_VAR(taskChan, 24, (u32) (0xe000 << 16) | (0xffff & destIncr));	/* inc[0] */ +	MCD_SET_VAR(taskChan, 12, (u32) xferSize);	/* var[12] */ +	MCD_SET_VAR(taskChan, 26, (u32) (0x2000 << 16) | (0xffff & xferSizeIncr));	/* inc[2] */ +	MCD_SET_VAR(taskChan, 0, (u32) cSave);	/* var[0] */ +	MCD_SET_VAR(taskChan, 1, (u32) 0x00000000);	/* var[1] */ +	MCD_SET_VAR(taskChan, 2, (u32) 0x00000000);	/* var[2] */ +	MCD_SET_VAR(taskChan, 4, (u32) 0x00000000);	/* var[4] */ +	MCD_SET_VAR(taskChan, 5, (u32) 0x00000000);	/* var[5] */ +	MCD_SET_VAR(taskChan, 6, (u32) 0x00000000);	/* var[6] */ +	MCD_SET_VAR(taskChan, 7, (u32) 0x00000000);	/* var[7] */ +	MCD_SET_VAR(taskChan, 8, (u32) 0x00000000);	/* var[8] */ +	MCD_SET_VAR(taskChan, 9, (u32) 0x00000000);	/* var[9] */ +	MCD_SET_VAR(taskChan, 10, (u32) 0x00000000);	/* var[10] */ +	MCD_SET_VAR(taskChan, 11, (u32) 0x00000000);	/* var[11] */ +	MCD_SET_VAR(taskChan, 13, (u32) 0x00000000);	/* var[13] */ +	MCD_SET_VAR(taskChan, 14, (u32) 0x80000000);	/* var[14] */ +	MCD_SET_VAR(taskChan, 15, (u32) 0x00000010);	/* var[15] */ +	MCD_SET_VAR(taskChan, 16, (u32) 0x00000001);	/* var[16] */ +	MCD_SET_VAR(taskChan, 17, (u32) 0x00000004);	/* var[17] */ +	MCD_SET_VAR(taskChan, 18, (u32) 0x08000000);	/* var[18] */ +	MCD_SET_VAR(taskChan, 27, (u32) 0x00000000);	/* inc[3] */ +	MCD_SET_VAR(taskChan, 28, (u32) 0x80000000);	/* inc[4] */ +	MCD_SET_VAR(taskChan, 29, (u32) 0xc0000000);	/* inc[5] */ +	MCD_SET_VAR(taskChan, 30, (u32) 0x80000001);	/* inc[6] */ +	MCD_SET_VAR(taskChan, 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) +{ +	volatile TaskTableEntry *taskChan = taskTable + channel; + +	MCD_SET_VAR(taskChan, 8, (u32) srcAddr);	/* var[8] */ +	MCD_SET_VAR(taskChan, 25, (u32) (0xe000 << 16) | (0xffff & srcIncr));	/* inc[1] */ +	MCD_SET_VAR(taskChan, 3, (u32) destAddr);	/* var[3] */ +	MCD_SET_VAR(taskChan, 24, (u32) (0xe000 << 16) | (0xffff & destIncr));	/* inc[0] */ +	MCD_SET_VAR(taskChan, 4, (u32) dmaSize);	/* var[4] */ +	MCD_SET_VAR(taskChan, 26, (u32) (0x2000 << 16) | (0xffff & xferSizeIncr));	/* inc[2] */ +	MCD_SET_VAR(taskChan, 6, (u32) flags);	/* var[6] */ +	MCD_SET_VAR(taskChan, 2, (u32) currBD);	/* var[2] */ +	MCD_SET_VAR(taskChan, 0, (u32) cSave);	/* var[0] */ +	MCD_SET_VAR(taskChan, 1, (u32) 0x00000000);	/* var[1] */ +	MCD_SET_VAR(taskChan, 5, (u32) 0x00000000);	/* var[5] */ +	MCD_SET_VAR(taskChan, 7, (u32) 0x00000000);	/* var[7] */ +	MCD_SET_VAR(taskChan, 9, (u32) 0x00000000);	/* var[9] */ +	MCD_SET_VAR(taskChan, 10, (u32) 0x00000001);	/* var[10] */ +	MCD_SET_VAR(taskChan, 11, (u32) 0x00000004);	/* var[11] */ +	MCD_SET_VAR(taskChan, 12, (u32) 0x08000000);	/* var[12] */ +	MCD_SET_VAR(taskChan, 27, (u32) 0x00000000);	/* inc[3] */ +	MCD_SET_VAR(taskChan, 28, (u32) 0xc0000000);	/* inc[4] */ +	MCD_SET_VAR(taskChan, 29, (u32) 0x80000000);	/* inc[5] */ +	MCD_SET_VAR(taskChan, 30, (u32) 0x80000001);	/* inc[6] */ +	MCD_SET_VAR(taskChan, 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) +{ +	volatile TaskTableEntry *taskChan = taskTable + channel; + +	MCD_SET_VAR(taskChan, 0, (u32) bDBase);	/* var[0] */ +	MCD_SET_VAR(taskChan, 3, (u32) currBD);	/* var[3] */ +	MCD_SET_VAR(taskChan, 6, (u32) rcvFifoPtr);	/* var[6] */ +	MCD_SET_VAR(taskChan, 1, (u32) 0x00000000);	/* var[1] */ +	MCD_SET_VAR(taskChan, 2, (u32) 0x00000000);	/* var[2] */ +	MCD_SET_VAR(taskChan, 4, (u32) 0x00000000);	/* var[4] */ +	MCD_SET_VAR(taskChan, 5, (u32) 0x00000000);	/* var[5] */ +	MCD_SET_VAR(taskChan, 7, (u32) 0x00000000);	/* var[7] */ +	MCD_SET_VAR(taskChan, 8, (u32) 0x00000000);	/* var[8] */ +	MCD_SET_VAR(taskChan, 9, (u32) 0x0000ffff);	/* var[9] */ +	MCD_SET_VAR(taskChan, 10, (u32) 0x30000000);	/* var[10] */ +	MCD_SET_VAR(taskChan, 11, (u32) 0x0fffffff);	/* var[11] */ +	MCD_SET_VAR(taskChan, 12, (u32) 0x00000008);	/* var[12] */ +	MCD_SET_VAR(taskChan, 24, (u32) 0x00000000);	/* inc[0] */ +	MCD_SET_VAR(taskChan, 25, (u32) 0x60000000);	/* inc[1] */ +	MCD_SET_VAR(taskChan, 26, (u32) 0x20000004);	/* inc[2] */ +	MCD_SET_VAR(taskChan, 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) +{ +	volatile TaskTableEntry *taskChan = taskTable + channel; + +	MCD_SET_VAR(taskChan, 0, (u32) bDBase);	/* var[0] */ +	MCD_SET_VAR(taskChan, 3, (u32) currBD);	/* var[3] */ +	MCD_SET_VAR(taskChan, 11, (u32) xmitFifoPtr);	/* var[11] */ +	MCD_SET_VAR(taskChan, 1, (u32) 0x00000000);	/* var[1] */ +	MCD_SET_VAR(taskChan, 2, (u32) 0x00000000);	/* var[2] */ +	MCD_SET_VAR(taskChan, 4, (u32) 0x00000000);	/* var[4] */ +	MCD_SET_VAR(taskChan, 5, (u32) 0x00000000);	/* var[5] */ +	MCD_SET_VAR(taskChan, 6, (u32) 0x00000000);	/* var[6] */ +	MCD_SET_VAR(taskChan, 7, (u32) 0x00000000);	/* var[7] */ +	MCD_SET_VAR(taskChan, 8, (u32) 0x00000000);	/* var[8] */ +	MCD_SET_VAR(taskChan, 9, (u32) 0x00000000);	/* var[9] */ +	MCD_SET_VAR(taskChan, 10, (u32) 0x00000000);	/* var[10] */ +	MCD_SET_VAR(taskChan, 12, (u32) 0x00000000);	/* var[12] */ +	MCD_SET_VAR(taskChan, 13, (u32) 0x0000ffff);	/* var[13] */ +	MCD_SET_VAR(taskChan, 14, (u32) 0xffffffff);	/* var[14] */ +	MCD_SET_VAR(taskChan, 15, (u32) 0x00000004);	/* var[15] */ +	MCD_SET_VAR(taskChan, 16, (u32) 0x00000008);	/* var[16] */ +	MCD_SET_VAR(taskChan, 24, (u32) 0x00000000);	/* inc[0] */ +	MCD_SET_VAR(taskChan, 25, (u32) 0x60000000);	/* inc[1] */ +	MCD_SET_VAR(taskChan, 26, (u32) 0x40000000);	/* inc[2] */ +	MCD_SET_VAR(taskChan, 27, (u32) 0xc000fffc);	/* inc[3] */ +	MCD_SET_VAR(taskChan, 28, (u32) 0xe0000004);	/* inc[4] */ +	MCD_SET_VAR(taskChan, 29, (u32) 0x80000000);	/* inc[5] */ +	MCD_SET_VAR(taskChan, 30, (u32) 0x4000ffff);	/* inc[6] */ +	MCD_SET_VAR(taskChan, 31, (u32) 0xe0000001);	/* inc[7] */ + +	/* Set the task's Enable bit in its Task Control Register */ +	MCD_dmaBar->taskControl[channel] |= (u16) 0x8000; +} + +#endif			/* CONFIG_FSLDMAFEC */ + diff --git a/drivers/dma/Makefile b/drivers/dma/Makefile new file mode 100644 index 000000000..2dd5a0e14 --- /dev/null +++ b/drivers/dma/Makefile @@ -0,0 +1,46 @@ +# +# (C) Copyright 2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# 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 $(TOPDIR)/config.mk + +LIB 	:= $(obj)libdma.a + +COBJS-y += MCD_tasksInit.o MCD_dmaApi.o MCD_tasks.o + +COBJS	:= $(COBJS-y) +SRCS 	:= $(COBJS:.o=.c) +OBJS 	:= $(addprefix $(obj),$(COBJS)) + +all:	$(LIB) + +$(LIB):	$(obj).depend $(OBJS) +	$(AR) $(ARFLAGS) $@ $(OBJS) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/include/MCD_dma.h b/include/MCD_dma.h new file mode 100644 index 000000000..2d6bc0072 --- /dev/null +++ b/include/MCD_dma.h @@ -0,0 +1,386 @@ +/* + * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 */ +#if 1 +#include "common.h" +#else +#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 +#endif + +/* + * These structures represent the internal registers of the + * multi-channel DMA + */ +struct dmaRegs_s { +	u32 taskbar;		/* task table base address */ +	u32 currPtr; +	u32 endPtr; +	u32 varTablePtr; +	u16 dma_rsvd0; +	u16 ptdControl;		/* ptd control */ +	u32 intPending;		/* interrupt pending */ +	u32 intMask;		/* interrupt mask */ +	u16 taskControl[16];	/* task control */ +	u8 priority[32];	/* priority */ +	u32 initiatorMux;	/* initiator mux control */ +	u32 taskSize0;		/* task size control 0. */ +	u32 taskSize1;		/* task size control 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	/* MCF547x/548x ONLY */ + +/* + * MCD_dmaStatus Status Values for each channel: + * MCD_NO_DMA	- No DMA has been requested since reset + * MCD_IDLE	- DMA active, but the initiator is currently inactive + * MCD_RUNNING	- DMA active, and the initiator is currently active + * MCD_PAUSED	- DMA active but it is currently paused + * MCD_HALTED	- the most recent DMA has been killed with MCD_killTask() + * MCD_DONE	- the most recent DMA has completed + */ +#define MCD_NO_DMA		1 +#define MCD_IDLE		2 +#define MCD_RUNNING		3 +#define MCD_PAUSED		4 +#define MCD_HALTED		5 +#define MCD_DONE		6 + +/* MCD_startDma parameter defines */ + +/* Constants for the funcDesc parameter */ +/* + * MCD_NO_BYTE_SWAP	- to disable byte swapping + * MCD_BYTE_REVERSE	- to reverse the bytes of each u32 of the DMAed data + * MCD_U16_REVERSE	- to reverse the 16-bit halves of each 32-bit data + *			  value being DMAed + * MCD_U16_BYTE_REVERSE	- to reverse the byte halves of each 16-bit half of + *			  each 32-bit data value DMAed + * MCD_NO_BIT_REV	- do not reverse the bits of each byte DMAed + * MCD_BIT_REV		- reverse the bits of each byte DMAed + * MCD_CRC16		- to perform CRC-16 on DMAed data + * MCD_CRCCCITT		- to perform CRC-CCITT on DMAed data + * MCD_CRC32		- to perform CRC-32 on DMAed data + * MCD_CSUMINET		- to perform internet checksums on DMAed data + * MCD_NO_CSUM		- to perform no checksumming + */ +#define MCD_NO_BYTE_SWAP	0x00045670 +#define MCD_BYTE_REVERSE	0x00076540 +#define MCD_U16_REVERSE		0x00067450 +#define MCD_U16_BYTE_REVERSE	0x00054760 +#define MCD_NO_BIT_REV		0x00000000 +#define MCD_BIT_REV		0x00088880 +/* CRCing: */ +#define MCD_CRC16		0xc0100000 +#define MCD_CRCCCITT		0xc0200000 +#define MCD_CRC32		0xc0300000 +#define MCD_CSUMINET		0xc0400000 +#define MCD_NO_CSUM		0xa0000000 + +#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	/* 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 */ +/* + * MCD_BUF_READY	- indicates that this buf is now under the DMA's ctrl + * MCD_WRAP		- to tell the FEC Dmas to wrap to the first BD + * MCD_INTERRUPT	- to generate an interrupt after completion of the DMA + * MCD_END_FRAME	- tell the DMA to end the frame when transferring + *			  last byte of data in buffer + * MCD_CRC_RESTART	- to empty out the accumulated checksum prior to + *			  performing the DMA + */ +#define MCD_BUF_READY		0x80000000 +#define MCD_WRAP		0x20000000 +#define MCD_INTERRUPT		0x10000000 +#define MCD_END_FRAME		0x08000000 +#define MCD_CRC_RESTART		0x40000000 + +/* 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 & flags */ +	volatile u32 descAddrAndStatus; +	volatile u32 modifiedVarTab; +	u32 contextSaveSpace;	/* context save space start */ +	u32 literalBases; +} TaskTableEntry; + +/* Chained buffer descriptor: + * flags	- flags describing the DMA + * csumResult	- checksum performed since last checksum reset + * srcAddr	- the address to move data from + * destAddr	- the address to move data to + * lastDestAddr	- the last address written to + * dmaSize	- the no of bytes to xfer independent of the xfer sz + * next		- next buffer descriptor in chain + * info		- private info about this descriptor;  DMA does not affect it + */ +typedef volatile struct MCD_bufDesc_struct MCD_bufDesc; +struct MCD_bufDesc_struct { +	u32 flags; +	u32 csumResult; +	s8 *srcAddr; +	s8 *destAddr; +	s8 *lastDestAddr; +	u32 dmaSize; +	MCD_bufDesc *next; +	u32 info; +}; + +/* Progress Query struct: + * lastSrcAddr	- the most-recent or last, post-increment source address + * lastDestAddr	- the most-recent or last, post-increment destination address + * dmaSize	- the amount of data transferred for the current buffer + * currBufDesc	- pointer to the current buffer descriptor being DMAed + */ + +typedef volatile struct MCD_XferProg_struct { +	s8 *lastSrcAddr; +	s8 *lastDestAddr; +	u32 dmaSize; +	MCD_bufDesc *currBufDesc; +} 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: + * srcAddr	- the channel on which to run the DMA + * srcIncr	- the address to move data from, or buffer-descriptor address + * destAddr	- the amount to increment the source address per transfer + * destIncr	- the address to move data to + * dmaSize	- the amount to increment the destination address per transfer + * xferSize	- the number bytes in of each data movement (1, 2, or 4) + * initiator	- what device initiates the DMA + * priority	- priority of the DMA + * flags	- flags describing the DMA + * funcDesc	- description of byte swapping, bit swapping, and CRC actions + */ +int MCD_startDma(int channel, s8 * srcAddr, s16 srcIncr, s8 * destAddr, +		 s16 destIncr, u32 dmaSize, u32 xferSize, u32 initiator, +		 int priority, u32 flags, u32 funcDesc); + +/* + * 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/include/MCD_progCheck.h b/include/MCD_progCheck.h new file mode 100644 index 000000000..55f7574f8 --- /dev/null +++ b/include/MCD_progCheck.h @@ -0,0 +1,27 @@ +/* + * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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/include/MCD_tasksInit.h b/include/MCD_tasksInit.h new file mode 100644 index 000000000..684d5aaa2 --- /dev/null +++ b/include/MCD_tasksInit.h @@ -0,0 +1,60 @@ +/* + * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 + +/* + * 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 */ |