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authorMike Frysinger <vapier@gentoo.org>2011-03-06 00:20:21 +0000
committerMike Frysinger <vapier@gentoo.org>2011-03-06 00:20:21 +0000
commitef016f835f292f01f065412fcfd84c50bfff1fea (patch)
treefe72facf7bcdc58af74f3a37d30f0f25d501f6a0 /sim/bfin/dv-bfin_dma.h
parent7dcf22fd41de725f3280c80a1274bcef309d6891 (diff)
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sim: bfin: new port
This can boot Das U-Boot and a Linux kernel. It also supports Linux userspace FLAT and FDPIC (dynamic and static) ELFs. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'sim/bfin/dv-bfin_dma.h')
-rw-r--r--sim/bfin/dv-bfin_dma.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/sim/bfin/dv-bfin_dma.h b/sim/bfin/dv-bfin_dma.h
new file mode 100644
index 0000000..03d412b
--- /dev/null
+++ b/sim/bfin/dv-bfin_dma.h
@@ -0,0 +1,65 @@
+/* Blackfin Direct Memory Access (DMA) Channel model.
+
+ Copyright (C) 2010-2011 Free Software Foundation, Inc.
+ Contributed by Analog Devices, Inc.
+
+ This file is part of simulators.
+
+ 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 3 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, see <http://www.gnu.org/licenses/>. */
+
+#ifndef DV_BFIN_DMA_H
+#define DV_BFIN_DMA_H
+
+#define BFIN_MMR_DMA_SIZE (4 * 16)
+
+/* DMA_CONFIG Masks */
+#define DMAEN 0x0001 /* DMA Channel Enable */
+#define WNR 0x0002 /* Channel Direction (W/R*) */
+#define WDSIZE_8 0x0000 /* Transfer Word Size = 8 */
+#define WDSIZE_16 0x0004 /* Transfer Word Size = 16 */
+#define WDSIZE_32 0x0008 /* Transfer Word Size = 32 */
+#define WDSIZE 0x000c /* Transfer Word Size */
+#define DMA2D 0x0010 /* DMA Mode (2D/1D*) */
+#define RESTART 0x0020 /* DMA Buffer Clear */
+#define DI_SEL 0x0040 /* Data Interrupt Timing Select */
+#define DI_EN 0x0080 /* Data Interrupt Enable */
+#define NDSIZE_0 0x0000 /* Next Descriptor Size = 0 (Stop/Autobuffer) */
+#define NDSIZE_1 0x0100 /* Next Descriptor Size = 1 */
+#define NDSIZE_2 0x0200 /* Next Descriptor Size = 2 */
+#define NDSIZE_3 0x0300 /* Next Descriptor Size = 3 */
+#define NDSIZE_4 0x0400 /* Next Descriptor Size = 4 */
+#define NDSIZE_5 0x0500 /* Next Descriptor Size = 5 */
+#define NDSIZE_6 0x0600 /* Next Descriptor Size = 6 */
+#define NDSIZE_7 0x0700 /* Next Descriptor Size = 7 */
+#define NDSIZE_8 0x0800 /* Next Descriptor Size = 8 */
+#define NDSIZE_9 0x0900 /* Next Descriptor Size = 9 */
+#define NDSIZE 0x0f00 /* Next Descriptor Size */
+#define NDSIZE_SHIFT 8
+#define DMAFLOW 0x7000 /* Flow Control */
+#define DMAFLOW_STOP 0x0000 /* Stop Mode */
+#define DMAFLOW_AUTO 0x1000 /* Autobuffer Mode */
+#define DMAFLOW_ARRAY 0x4000 /* Descriptor Array Mode */
+#define DMAFLOW_SMALL 0x6000 /* Small Model Descriptor List Mode */
+#define DMAFLOW_LARGE 0x7000 /* Large Model Descriptor List Mode */
+
+/* DMA_IRQ_STATUS Masks */
+#define DMA_DONE 0x0001 /* DMA Completion Interrupt Status */
+#define DMA_ERR 0x0002 /* DMA Error Interrupt Status */
+#define DFETCH 0x0004 /* DMA Descriptor Fetch Indicator */
+#define DMA_RUN 0x0008 /* DMA Channel Running Indicator */
+
+/* DMA_PERIPHERAL_MAP Masks */
+#define CTYPE (1 << 6)
+
+#endif