diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/dma/MCD_tasksInit.c | 247 | ||||
| -rw-r--r-- | drivers/dma/Makefile | 46 |
2 files changed, 293 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 + +######################################################################### |