patch-2.1.34 linux/include/asm-sparc64/firehose.h

• Lines: 140
• Date: Fri Apr 11 10:47:39 1997
• Orig file: v2.1.33/linux/include/asm-sparc64/firehose.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.33/linux/include/asm-sparc64/firehose.h linux/include/asm-sparc64/firehose.h
@@ -0,0 +1,139 @@
+/* $Id: firehose.h,v 1.1 1997/04/11 02:38:47 davem Exp $
+ * firehose.h: Defines for the Fire Hose Controller (FHC) found
+ *             on Sunfire/Wildfire systems.
+ *
+ * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
+ */
+
+#ifndef _SPARC64_FIREHOSE_H
+#define _SPARC64_FIREHOSE_H
+
+#include <linux/types.h>
+
+/* XXX I have not fully verified the register sizes in this file yet... -DaveM */
+
+/* Fire Hose Controller Internal Registers */
+struct fhc_internal_regs {
+/*0x0000*/	u32	fhc_id;		/* FHC ID Register			*/
+		u32	_unused1[3];
+/*0x0010*/	u32	fhc_rcs;	/* FHC Reset Control/Status Register	*/
+		u32	_unused2[3];
+/*0x0020*/	u32	fhc_control;	/* FHC Control Register			*/
+		u32	_unused3[3];
+/*0x0030*/	u32	fhc_bsr;	/* FHC Board Status Register		*/
+		u32	_unused4[3];
+/*0x0040*/	u32	fhc_ecc;	/* FHC ECC Control Register (16 bits)	*/
+		u32	_unused5[43];
+/*0x00f0*/	u32	fhc_jtag_ctrl;	/* FHC JTAG Control Register		*/
+		u32	_unused6[3];
+/*0x0100*/	u32	fhc_jtag_cmd;	/* FHC JTAG Command Register		*/
+};
+
+/* Part of same space of regs, but mapped seperately in PROM reg property
+ * for the FHC, thus we have the following few structs...
+ */
+struct fhc_ign_reg {
+/*0x2000*/	u64	fhc_ign;	/* FHC Interrupt Group Number		*/
+};
+
+struct fhc_fanfail_regs {
+/*0x4000*/	u64	fhc_ff_imap;	/* FHC FanFail Interrupt Map		*/
+		u64	_unused1;
+/*0x4010*/	u64	fhc_ff_istate;	/* FHC FanFail Interrupt State		*/
+};
+
+struct fhc_system_regs {
+/*0x6000*/	u64	fhc_sys_imap;	/* FHC System Interrupt Map		*/
+		u64	_unused1;
+/*0x6010*/	u64	fhc_sys_istate;	/* FHC System Interrupt State		*/
+};
+
+struct fhc_uart_regs {
+/*0x8000*/	u64	fhc_uart_imap;	/* FHC UART Interrupt Map		*/
+		u64	_unused1;
+/*0x8010*/	u64	fhc_uart_istate;/* FHC UART Interrupt State		*/
+};
+
+struct fhc_tod_regs {
+/*0xa000*/	u64	fhc_tod_imap;	/* FHC TOD Interrupt Map		*/
+		u64	_unused1;
+/*0xa010*/	u64	fhc_tod_istate;	/* FHC TOD Interrupt State		*/
+};
+
+/* All of the above. */
+struct fhc_regs {
+	struct fhc_internal_regs	*pregs;
+	struct fhc_ign_reg		*ireg;
+	struct fhc_fanfil_regs		*ffregs;
+	struct fhc_system_regs		*sregs;
+	struct fhc_uart_regs		*uregs;
+	struct fhc_tod_regs		*tregs;
+};
+
+/* FHC ID Register */
+#define FHC_ID_VERS		0xf0000000 /* Version of this FHC		*/
+#define FHC_ID_PARTID		0x0ffff000 /* Part ID code (0x0f9f == FHC)	*/
+#define FHC_ID_MANUF		0x0000007e /* Manufacturer (0x3e == SUN's JEDEC)*/
+#define FHC_ID_RESV		0x00000001 /* Read as one			*/
+
+/* FHC Control Register */
+#define FHC_CONTROL_ICS		0x00100000 /* Ignore Centerplane Signals	*/
+#define FHC_CONTROL_FRST	0x00080000 /* Fatal Error Reset Enable		*/
+#define FHC_CONTROL_LFAT	0x00040000 /* AC/DC signalled a local error	*/
+#define FHC_CONTROL_SLINE	0x00010000 /* Firmware Synchronization Line	*/
+#define FHC_CONTROL_DCD		0x00008000 /* DC-->DC Converter Disable		*/
+#define FHC_CONTROL_POFF	0x00004000 /* AC/DC Controller PLL Disable	*/
+#define FHC_CONTROL_FOFF	0x00002000 /* FHC Controller PLL Disable	*/
+#define FHC_CONTROL_AOFF	0x00001000 /* CPU A SRAM/SBD Low Power Mode	*/
+#define FHC_CONTROL_BOFF	0x00000800 /* CPU B SRAM/SBD Low Power Mode	*/
+#define FHC_CONTROL_PSOFF	0x00000400 /* Turns off this FHC's power supply	*/
+#define FHC_CONTROL_IXIST	0x00000200 /* 0=FHC tells clock board it exists	*/
+#define FHC_CONTROL_XMSTR	0x00000100 /* 1=Causes this FHC to be XIR master*/
+#define FHC_CONTROL_LLED	0x00000040 /* 0=Left LED ON			*/
+#define FHC_CONTROL_MLED	0x00000020 /* 1=Middle LED ON			*/
+#define FHC_CONTROL_RLED	0x00000010 /* 1=Right LED			*/
+#define FHC_CONTROL_BPINS	0x00000003 /* Spare Bidirectional Pins		*/
+
+/* FHC Reset Control/Status Register */
+#define FHC_RCS_POR		0x80000000 /* Last reset was a power cycle	*/
+#define FHC_RCS_SPOR		0x40000000 /* Last reset was sw power on reset	*/
+#define FHC_RCS_SXIR		0x20000000 /* Last reset was sw XIR reset	*/
+#define FHC_RCS_BPOR		0x10000000 /* Last reset was due to POR button	*/
+#define FHC_RCS_BXIR		0x08000000 /* Last reset was due to XIR button	*/
+#define FHC_RCS_WEVENT		0x04000000 /* CPU reset was due to wakeup event	*/
+#define FHC_RCS_CFATAL		0x02000000 /* Centerplane Fatal Error signalled	*/
+#define FHC_RCS_FENAB		0x01000000 /* Fatal errors elicit system reset	*/
+
+/* FHC Board Status Register */
+#define FHC_BSD_DA64		0x00040000 /* Port A: 0=128bit 1=64bit data path */
+#define FHC_BSD_DB64		0x00020000 /* Port B: 0=128bit 1=64bit data path */
+#define FHC_BSD_BID		0x0001e000 /* Board ID                           */
+#define FHC_BSD_SA		0x00001c00 /* Port A UPA Speed (from the pins)   */
+#define FHC_BSD_SB		0x00000380 /* Port B UPA Speed (from the pins)   */
+#define FHC_BSD_NDIAG		0x00000040 /* Not in Diag Mode                   */
+#define FHC_BSD_NTBED		0x00000020 /* Not in TestBED Mode                */
+#define FHC_BSD_NIA		0x0000001c /* Jumper, bit 18 in PROM space       */
+#define FHC_BSD_SI		0x00000001 /* Spare input pin value              */
+
+/* FHC then has an Interrupt Group Number register, essentially this is a 32-bit
+ * register with the low 5 bits specifying the IGN of this FHC for interrupt
+ * generation purposes, it is a product of the BoardID/Pins seen by the FHC
+ * at power on time.  I suspect the firmware really sets this value though
+ * during POST.  On board FHC devices generate fixed INO interrupt packet
+ * values, of course these are concatenated with the IGN before it reaches the
+ * CPU:
+ *
+ *	IRQ Source		INO Value
+ *	----------------------------------------
+ *	"System" Interrupt	0x38
+ *	Zilogs			0x39
+ *	Mostek			0x3a
+ *	Fan Failure		0x3b
+ *	Spare 1			0x3c
+ *	Spare 2			0x3d
+ *
+ * Consult the sysio.h header for the layout of the Interrupt Mapping and
+ * Interrupt Clear register bits as they are the same. -DaveM
+ */
+
+#endif /* !(_SPARC64_FIREHOSE_H) */