More DEC and Baget stuff.

1 files changed, 108 insertions, 0 deletions

diff --git a/include/asm-mips/dec/ioasic_ints.h b/include/asm-mips/dec/ioasic_ints.h
new file mode 100644
index 000000000..e1f61f1cb
--- /dev/null
+++ b/include/asm-mips/dec/ioasic_ints.h
@@ -0,0 +1,108 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Definitions for the interrupt related bits in the JUNKIO Asic
+ * interrupt status register (and the interrupt mask register, of course)
+ *
+ * Created with Information from:
+ *
+ * "DEC 3000 300/400/500/600/700/800/900 AXP Models System Programmer's Manual"
+ *
+ * and the Mach Sources
+ */
+
+/* 
+ * the upper 16 bits are common to all JUNKIO machines
+ * (except the FLOPPY and ISDN bits, which are Maxine sepcific)
+ */
+#define SCC0_TRANS_PAGEEND	0x80000000	/* Serial DMA Errors	*/
+#define SCC0_TRANS_MEMRDERR	0x40000000	/* see below		*/
+#define SCC0_RECV_HALFPAGE	0x20000000
+#define	SCC0_RECV_PAGOVRRUN	0x10000000
+#define SCC1_TRANS_PAGEEND	0x08000000	/* end of page reached	*/
+#define SCC1_TRANS_MEMRDERR	0x04000000	/* SCC1 DMA memory err	*/
+#define SCC1_RECV_HALFPAGE	0x02000000	/* SCC1 half page	*/
+#define	SCC1_RECV_PAGOVRRUN	0x01000000	/* SCC1 receive overrun	*/
+#define FLOPPY_DMA_ERROR	0x00800000	/* FDI DMA error	*/
+#define	ISDN_TRANS_PTR_LOADED	0x00400000	/* xmitbuf ptr loaded	*/
+#define ISDN_RECV_PTR_LOADED	0x00200000	/* rcvbuf ptr loaded	*/
+#define ISDN_DMA_MEMRDERR	0x00100000	/* read or ovrrun error	*/
+#define SCSI_PTR_LOADED		0x00080000
+#define SCSI_PAGOVRRUN		0x00040000	/* page overrun? */
+#define SCSI_DMA_MEMRDERR	0x00020000
+#define LANCE_DMA_MEMRDERR	0x00010000
+
+/*
+ * the lower 16 bits are system specific
+ */
+
+/*
+ * The following three seem to be in common
+ */
+#define SCSI_CHIP		0x00000200
+#define LANCE_CHIP		0x00000100
+#define SCC1_CHIP		0x00000080	/* NOT on maxine	*/
+#define SCC0_CHIP		0x00000040
+
+/*
+ * The rest is different
+ */
+
+/* kmin aka 3min aka kn02ba aka DS5000_1xx */
+#define KMIN_TIMEOUT		0x00001000	/* CPU IO-Write Timeout	*/
+#define KMIN_CLOCK		0x00000020
+#define KMIN_SCSI_FIFO		0x00000004	/* SCSI Data Ready	*/
+
+/* kn02ca aka maxine */
+#define MAXINE_FLOPPY		0x00008000	/* FDI Interrupt        */
+#define MAXINE_TC0		0x00001000	/* TC Option 0      	*/
+#define MAXINE_ISDN		0x00000800	/* ISDN	Chip		*/
+#define MAXINE_FLOPPY_HDS	0x00000080	/* Floppy Status      	*/
+#define MAXINE_TC1		0x00000020	/* TC Option 1		*/
+#define MAXINE_FLOPPY_XDS	0x00000010	/* Floppy Status      	*/
+#define MAXINE_VINT		0x00000008	/* Video Frame		*/
+#define MAXINE_N_VINT		0x00000004	/* Not Video frame	*/
+#define MAXINE_DTOP_TRANS	0x00000002	/* DTI Xmit-Rdy		*/
+#define MAXINE_DTOP_RECV	0x00000001	/* DTI Recv-Available	*/
+
+/* kn03 aka 3max+ aka DS5000_2x0 */
+#define KN03_TC2		0x00004000
+#define KN03_TC1		0x00002000
+#define KN03_TC0		0x00001000
+#define KN03_SCSI_FIFO		0x00000004	/* ??? Info from Mach	*/
+
+/*
+ * Now form groups, i.e. all serial interrupts, all SCSI interrupts and so on. 
+ */
+#define SERIAL_INTS	(SCC0_TRANS_PAGEEND | SCC0_TRANS_MEMRDERR | \
+			SCC0_RECV_HALFPAGE | SCC0_RECV_PAGOVRRUN | \
+			SCC1_TRANS_PAGEEND | SCC1_TRANS_MEMRDERR | \
+			SCC1_RECV_HALFPAGE | SCC1_RECV_PAGOVRRUN | \
+			SCC1_CHIP | SCC0_CHIP)
+
+#define XINE_SERIAL_INTS	(SCC0_TRANS_PAGEEND | SCC0_TRANS_MEMRDERR | \
+			SCC0_RECV_HALFPAGE | SCC0_RECV_PAGOVRRUN | \
+			SCC0_CHIP)
+
+#define SCSI_INTS	(SCSI_PTR_LOADED | SCSI_PAGOVRRUN | \
+			SCSI_DMA_MEMRDERR | SCSI_CHIP)
+
+#define KMIN_SCSI_INTS	(SCSI_PTR_LOADED | SCSI_PAGOVRRUN | \
+			SCSI_DMA_MEMRDERR | SCSI_CHIP | KMIN_SCSI_FIFO)
+
+#define LANCE_INTS	(LANCE_DMA_MEMRDERR | LANCE_CHIP)
+
+/*
+ * For future use ...
+ */
+#define XINE_FLOPPY_INTS (MAXINE_FLOPPY | MAXINE_FLOPPY_HDS | \
+			FLOPPY_DMA_ERROR | MAXINE_FLOPPY_XDS)
+
+#define XINE_ISDN_INTS	(MAXINE_ISDN | ISDN_TRANS_PTR_LOADED | \
+			ISDN_RECV_PTR_LOADED | ISDN_DMA_MEMRDERR)
+
+#define XINE_DTOP_INTS	(MAXINE_DTOP_TRANS | DTOP_RECV | \
+			ISDN_TRANS_PTR_LOADED | ISDN_RECV_PTR_LOADED | \
+			ISDN_DMA_MEMRDERR)