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>

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 00000000000..0d28713b86e
--- /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 00000000000..2dd5a0e1437
--- /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
+
+#########################################################################