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Software of the Month Club 2000 October
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ASM-SPAR.{_A
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FIREHOSE.H
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1999-09-17
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/* $Id: firehose.h,v 1.4 1998/12/02 10:16:47 davem Exp $
* firehose.h: Defines for the Fire Hose Controller (FHC) found
* on Sunfire/Starfire/Wildfire systems.
*
* Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
*/
#ifndef _SPARC64_FIREHOSE_H
#define _SPARC64_FIREHOSE_H
#include <linux/types.h>
/* 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 separately in PROM reg property
* for the FHC, thus we have the following few structs...
*/
struct fhc_ign_reg {
/*0x2000*/ u32 fhc_ign; /* FHC Interrupt Group Number */
};
struct fhc_fanfail_regs {
/*0x4000*/ u32 fhc_ff_imap; /* FHC FanFail Interrupt Map */
u32 _pad[3];
/*0x4010*/ u32 fhc_ff_iclr; /* FHC FanFail Interrupt Clear */
};
struct fhc_system_regs {
/*0x6000*/ u32 fhc_sys_imap; /* FHC System Interrupt Map */
u32 _pad[3];
/*0x6010*/ u32 fhc_sys_iclr; /* FHC System Interrupt Clear */
};
struct fhc_uart_regs {
/*0x8000*/ u32 fhc_uart_imap; /* FHC UART Interrupt Map */
u32 _pad[3];
/*0x8010*/ u32 fhc_uart_iclr; /* FHC UART Interrupt Clear */
};
struct fhc_tod_regs {
/*0xa000*/ u32 fhc_tod_imap; /* FHC TOD Interrupt Map */
u32 _pad1[3];
/*0xa010*/ u32 fhc_tod_iclr; /* FHC TOD Interrupt Clear */
};
/* All of the above. */
struct fhc_regs {
struct fhc_internal_regs *pregs;
struct fhc_ign_reg *ireg;
struct fhc_fanfail_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_BSR_DA64 0x00040000 /* Port A: 0=128bit 1=64bit data path */
#define FHC_BSR_DB64 0x00020000 /* Port B: 0=128bit 1=64bit data path */
#define FHC_BSR_BID 0x0001e000 /* Board ID */
#define FHC_BSR_SA 0x00001c00 /* Port A UPA Speed (from the pins) */
#define FHC_BSR_SB 0x00000380 /* Port B UPA Speed (from the pins) */
#define FHC_BSR_NDIAG 0x00000040 /* Not in Diag Mode */
#define FHC_BSR_NTBED 0x00000020 /* Not in TestBED Mode */
#define FHC_BSR_NIA 0x0000001c /* Jumper, bit 18 in PROM space */
#define FHC_BSR_SI 0x00000001 /* Spare input pin value */
/* FHC JTAG Control Register */
#define FHC_JTAG_CTRL_MENAB 0x80000000 /* Indicates this is JTAG Master */
#define FHC_JTAG_CTRL_MNONE 0x40000000 /* Indicates no JTAG Master present */
/* 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) */