--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nuc-fw/bsp/dma.h	Sat Aug 31 23:43:23 2013 +0000
@@ -0,0 +1,200 @@
+/******************************************************************************
+            TEXAS INSTRUMENTS INCORPORATED PROPRIETARY INFORMATION           
+                                                                             
+   Property of Texas Instruments -- For  Unrestricted  Internal  Use  Only 
+   Unauthorized reproduction and/or distribution is strictly prohibited.  This 
+   product  is  protected  under  copyright  law  and  trade  secret law as an 
+   unpublished work.  Created 1987, (C) Copyright 1997 Texas Instruments.  All 
+   rights reserved.                                                            
+                  
+                                                           
+   Filename       	: dma.h
+
+   Description    	: DMA 
+
+   Project        	: drivers
+
+   Author         	: pmonteil@tif.ti.com  Patrice Monteil.
+
+   Version number	: 1.6
+
+   Date and time	: 01/30/01 10:22:23
+
+   Previous delta 	: 12/08/00 11:22:15
+
+   SCCS file      	: /db/gsm_asp/db_ht96/dsp_0/gsw/rel_0/mcu_l1/release_gprs/RELEASE_GPRS/drivers1/common/SCCS/s.dma.h
+
+   Sccs Id  (SID)       : '@(#) dma.h 1.6 01/30/01 10:22:23 '
+
+ 
+*****************************************************************************/
+
+#include "../include/config.h"
+ 
+/**** DMA configuration register ****/
+
+#if (CHIPSET == 12)
+
+  #define DMA_GCR   (MEM_DMA_ADDR + 0x0400)
+  #define DMA_CAR   (MEM_DMA_ADDR + 0x0404)
+  #define DMA_SCR   (MEM_DMA_ADDR + 0x0406)
+  #define DMA_AR    (MEM_DMA_ADDR + 0x040A)
+
+  #define DMA_CONFIG { \
+      * (volatile unsigned short *) DMA_GCR = 0x0000; /* Force Autogating off */ \
+      * (volatile unsigned short *) DMA_CAR |= 0x0001; /* Channel 0 allocated to DSP */ \
+      * (volatile unsigned short *) DMA_SCR &= ~0x0001; /* Channel 0 is not secure */ \
+      * (volatile unsigned short *) DMA_AR = 0x001C; /* Reset value */ \
+    }
+
+#else
+
+// CONTROLLER_CONFIG register
+//---------------------------
+#if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
+  #define DMA_CONFIG_ADDR	MEM_DMA_ADDR
+#else
+  #define DMA_CONFIG_ADDR		(MEM_DMA_ADDR + 0x20)
+#endif
+#define DMA_CONFIG_BURST   	0x1c	/* length of burst */
+
+// ALLOC_CONFIG register
+//---------------------------
+#if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
+  #define DMA_ALLOC_CONFIG_ADDR (MEM_DMA_ADDR + 0x02)
+#endif
+#define DMA_CONFIG_ALLOC1   	0x01	/* allocation for channel 1 */
+#define DMA_CONFIG_ALLOC2   	0x02	/* allocation for channel 2 */
+
+// DMA Channel 1 configuration
+//---------------------------
+
+// DMA1_RAD register
+//---------------------------
+#if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
+  #define DMA1_RAD_ADDR		(MEM_DMA_ADDR + 0x10)
+#else
+  #define DMA1_RAD_ADDR		MEM_DMA_ADDR
+#endif
+#define DMA_RHEA_ADDR   	0x07ff	/* rhea start address */
+#define DMA_RHEA_CS	   	0xf800	/* rhea chip select */
+
+// DMA1_RDPTH register
+//---------------------------
+#if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
+  #define DMA1_RDPTH_ADDR	(MEM_DMA_ADDR + 0x12)
+#else
+  #define DMA1_RDPTH_ADDR		(MEM_DMA_ADDR + 0x02)
+#endif
+#define DMA_RHEA_LENGTH   	0x07ff	/* rhea buffer length */
+
+// DMA1_AAD register
+//---------------------------
+#if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
+  #define DMA1_AAD_ADDR		(MEM_DMA_ADDR + 0x14)
+#else
+  #define DMA1_AAD_ADDR		(MEM_DMA_ADDR + 0x04)
+#endif
+#define DMA_API_ADDR	   	0x0fff	/* API start address */
+
+// DMA1_ALGTH register
+//---------------------------
+#if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
+  #define DMA1_ALGTH_ADDR	(MEM_DMA_ADDR + 0x16)
+#else
+  #define DMA1_ALGTH_ADDR		(MEM_DMA_ADDR + 0x06)
+#endif
+#define DMA_API_LENGTH	   	0x0fff	/* API page length */
+
+// DMA1_CTRL register
+//---------------------------
+#if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
+  #define DMA1_CTRL_ADDR	(MEM_DMA_ADDR + 0x18)
+#else
+  #define DMA1_CTRL_ADDR		(MEM_DMA_ADDR + 0x08)
+#endif
+#define DMA_CTRL_ENABLE		0x0001	/* DMA enable */
+#define DMA_CTRL_IDLE		0x0002	/* idle */
+#define DMA_CTRL_ONE_SHOT	0x0004 
+#define DMA_CTRL_FIFO_MODE	0x0008 
+#define DMA_CTRL_CUR_PAGE	0x0010	/* current page # */
+#define DMA_CTRL_MAS		0x0020 
+#define DMA_CTRL_START		0x0040	/* DMA start */
+#define DMA_CTRL_IRQ_MODE	0x0080	 
+#define DMA_CTRL_IRQ_STATE	0x0100 
+#define DMA_CTRL_RHEA_ABORT	0x0200 
+#if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
+  #define DMA_CTRL_PRIORITY     0x1800  /* Number of additional reading on the bus */
+#endif
+
+// DMA1_CUR_OFFSET_API register
+//---------------------------
+#if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
+  #define DMA1_OFFSET_ADDR	(MEM_DMA_ADDR + 0x1A)
+#else
+  #define DMA1_OFFSET_ADDR	(MEM_DMA_ADDR + 0x0A)
+#endif
+
+ 
+// DMA Channel 2 configuration
+//---------------------------
+ 
+#if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
+  #define DMA2_RAD_ADDR         (MEM_DMA_ADDR + 0x20)
+  #define DMA2_RDPTH_ADDR       (MEM_DMA_ADDR + 0x22)
+  #define DMA2_AAD_ADDR         (MEM_DMA_ADDR + 0x24)
+  #define DMA2_ALGTH_ADDR       (MEM_DMA_ADDR + 0x26)
+  #define DMA2_CTRL_ADDR        (MEM_DMA_ADDR + 0x28)
+  #define DMA2_OFFSET_ADDR      (MEM_DMA_ADDR + 0x2A)
+#else
+  #define DMA2_RAD_ADDR         (MEM_DMA_ADDR + 0x10)
+  #define DMA2_RDPTH_ADDR		(MEM_DMA_ADDR + 0x12)
+  #define DMA2_AAD_ADDR         (MEM_DMA_ADDR + 0x14)
+  #define DMA2_ALGTH_ADDR		(MEM_DMA_ADDR + 0x16)
+  #define DMA2_CTRL_ADDR        (MEM_DMA_ADDR + 0x18)
+  #define DMA2_OFFSET_ADDR      (MEM_DMA_ADDR + 0x1A)
+#endif
+
+#if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
+  // DMA Channel 3 configuration
+  //---------------------------
+
+  #define DMA3_RAD_ADDR     (MEM_DMA_ADDR + 0x30)
+  #define DMA3_RDPTH_ADDR   (MEM_DMA_ADDR + 0x32)
+  #define DMA3_AAD_ADDR     (MEM_DMA_ADDR + 0x34)
+  #define DMA3_ALGTH_ADDR   (MEM_DMA_ADDR + 0x36)
+  #define DMA3_CTRL_ADDR    (MEM_DMA_ADDR + 0x38)
+  #define DMA3_OFFSET_ADDR  (MEM_DMA_ADDR + 0x3A)
+
+  // DMA Channel 4 configuration
+  //---------------------------
+
+  #define DMA4_RAD_ADDR     (MEM_DMA_ADDR + 0x40)
+  #define DMA4_RDPTH_ADDR   (MEM_DMA_ADDR + 0x42)
+  #define DMA4_AAD_ADDR     (MEM_DMA_ADDR + 0x44)
+  #define DMA4_ALGTH_ADDR   (MEM_DMA_ADDR + 0x46)
+  #define DMA4_CTRL_ADDR    (MEM_DMA_ADDR + 0x48)
+  #define DMA4_OFFSET_ADDR  (MEM_DMA_ADDR + 0x4A)
+#endif
+
+/*---------------------------------------------------------------/
+/* DMA_ALLOCDMA()   						*/
+/*--------------------------------------------------------------*/
+/* Parameters : none						*/
+/* Return     :	none						*/
+/* Functionality : alloc DMA channel 			*/
+/*--------------------------------------------------------------*/
+
+#if ((CHIPSET == 4) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11))
+  // WARNING :
+  // Only the first two channels can be configured and the last two channels are forced to be controlled by the ARM
+  #define DMA_ALLOCDMA(channel0, channel1, dma_burst,priority) { \
+    * (volatile unsigned short *) DMA_CONFIG_ADDR = (dma_burst << 2) | (priority << 5); \
+    * (volatile unsigned short *) DMA_ALLOC_CONFIG_ADDR = channel0 | (channel1 << 1) | 0x000C; \
+    }
+#else
+  #define DMA_ALLOCDMA(channel0, channel1,dma_burst,priority) (* (volatile unsigned short *) DMA_CONFIG_ADDR = channel0 | channel1 << 1 | dma_burst << 2 | priority << 5)
+#endif
+
+#endif /* CHIPSET != 12 */
+