Initial source

1 files changed, 89 insertions, 0 deletions

diff --git a/chips/atmreg.h b/chips/atmreg.h
new file mode 100644
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+++ b/chips/atmreg.h
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+/* 
+ * Mach Operating System
+ * Copyright (c) 1992 Carnegie Mellon University
+ * All Rights Reserved.
+ * 
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ * 
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ * 
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+
+/*** FORE TCA-100 Turbochannel ATM computer interface ***/
+
+#define RX_COUNT_INTR 	0x0001
+#define RX_EOM_INTR 	0x0002
+#define RX_TIME_INTR 	0x0004
+#define TX_COUNT_INTR 	0x0008
+#define RX_CELL_LOST 	0x0010
+#define RX_NO_CARRIER 	0x0020
+#define CR_RX_ENABLE 	0x0040
+#define CR_TX_ENABLE 	0x0080
+#define CR_RX_RESET 	0x0100
+#define CR_TX_RESET 	0x0200
+
+#define ATM_READ_REG(reg)	((reg) & 0x3ff)	/* 10 bit register mask */
+
+
+struct atm_device {
+  unsigned int prom[64 * 1024 / 4];
+  volatile unsigned int sreg;
+  volatile unsigned int creg_set;
+  volatile unsigned int creg_clr;
+  volatile unsigned int creg;
+  volatile unsigned int rxtimer;
+  unsigned int pad1;
+  volatile unsigned int rxtimerv;
+  unsigned int pad2;
+  volatile unsigned int rxcount;
+  unsigned int pad3;
+  volatile unsigned int rxthresh;
+  unsigned int pad4;
+  volatile unsigned int txcount;
+  unsigned int pad5;
+  volatile unsigned int txthresh;
+  unsigned int pad6[64*1024/4 - 15];
+  volatile unsigned int rxfifo[14];
+  unsigned int pad7[64*1024/4 - 14];
+  volatile unsigned int txfifo[14];
+  unsigned int pad8[64*1024/4 - 14];
+};
+/* MUST BE PAGE ALIGNED OR YOU WILL GET KILLED BELOW WITH ATM_INFO */
+
+struct sar_data {
+	int header;
+	int payload[12];
+	int trailer;
+};
+
+
+/*
+ * Information for mapped atm device
+ */
+typedef struct mapped_atm_info {
+    volatile unsigned int	interrupt_count;    /* tot interrupts received */
+    volatile  unsigned short	saved_status_reg;   /* copy of status reg from last interrupt  */
+    unsigned int 	hello_world;
+    unsigned		wait_event;
+} *mapped_atm_info_t;
+
+
+
+#define ATM_DEVICE(p)	(struct atm_device*)(p) 
+#define ATM_INFO(p)	(mapped_atm_info_t)( (p) + sizeof(struct atm_device) )
+