Subversion Repositories or1k

/* $Id: fhc.h,v 1.1.1.1 2004-04-15 03:00:56 phoenix Exp $

 * fhc.h: Structures for central/fhc pseudo driver on Sunfire/Starfire/Wildfire.

 *

 * Copyright (C) 1997, 1999 David S. Miller (davem@redhat.com)

 */

#ifndef _SPARC64_FHC_H

#define _SPARC64_FHC_H

#include <linux/timer.h>

#include <asm/oplib.h>

#include <asm/upa.h>

struct linux_fhc;

/* Clock board register offsets. */

#define CLOCK_CTRL      0x00UL  /* Main control */

#define CLOCK_STAT1     0x10UL  /* Status one */

#define CLOCK_STAT2     0x20UL  /* Status two */

#define CLOCK_PWRSTAT   0x30UL  /* Power status */

#define CLOCK_PWRPRES   0x40UL  /* Power presence */

#define CLOCK_TEMP      0x50UL  /* Temperature */

#define CLOCK_IRQDIAG   0x60UL  /* IRQ diagnostics */

#define CLOCK_PWRSTAT2  0x70UL  /* Power status two */

#define CLOCK_CTRL_LLED         0x04    /* Left LED, 0 == on */

#define CLOCK_CTRL_MLED         0x02    /* Mid LED, 1 == on */

#define CLOCK_CTRL_RLED         0x01    /* RIght LED, 1 == on */

struct linux_central {

        struct linux_fhc                *child;

        unsigned long                   cfreg;

        unsigned long                   clkregs;

        unsigned long                   clkver;

        int                             slots;

        int                             prom_node;

        char                            prom_name[64];

        struct linux_prom_ranges        central_ranges[PROMREG_MAX];

        int                             num_central_ranges;

};

/* Firehose controller register offsets */

struct fhc_regs {

        unsigned long                   pregs;  /* FHC internal regs */

#define FHC_PREGS_ID    0x00UL  /* FHC ID */

#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                       */

#define FHC_PREGS_RCS   0x10UL  /* 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  */

#define FHC_PREGS_CTRL  0x20UL  /* 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          */

#define FHC_PREGS_BSR   0x30UL  /* 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              */

#define FHC_PREGS_ECC   0x40UL  /* FHC ECC Control Register (16 bits) */

#define FHC_PREGS_JCTRL 0xf0UL  /* 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   */

#define FHC_PREGS_JCMD  0x100UL /* FHC JTAG Command Register */

        unsigned long                   ireg;   /* FHC IGN reg */

#define FHC_IREG_IGN    0x00UL  /* This FHC's IGN */

        unsigned long                   ffregs; /* FHC fanfail regs */

#define FHC_FFREGS_IMAP 0x00UL  /* FHC Fanfail IMAP */

#define FHC_FFREGS_ICLR 0x10UL  /* FHC Fanfail ICLR */

        unsigned long                   sregs;  /* FHC system regs */

#define FHC_SREGS_IMAP  0x00UL  /* FHC System IMAP */

#define FHC_SREGS_ICLR  0x10UL  /* FHC System ICLR */

        unsigned long                   uregs;  /* FHC uart regs */

#define FHC_UREGS_IMAP  0x00UL  /* FHC Uart IMAP */

#define FHC_UREGS_ICLR  0x10UL  /* FHC Uart ICLR */

        unsigned long                   tregs;  /* FHC TOD regs */

#define FHC_TREGS_IMAP  0x00UL  /* FHC TOD IMAP */

#define FHC_TREGS_ICLR  0x10UL  /* FHC TOD ICLR */

};

struct linux_fhc {

        struct linux_fhc                *next;

        struct linux_central            *parent;        /* NULL if not central FHC */

        struct fhc_regs                 fhc_regs;

        int                             board;

        int                             jtag_master;

        int                             prom_node;

        char                            prom_name[64];

        struct linux_prom_ranges        fhc_ranges[PROMREG_MAX];

        int                             num_fhc_ranges;

};

extern struct linux_central *central_bus;

extern void apply_central_ranges(struct linux_central *central,

                                 struct linux_prom_registers *regs,

                                 int nregs);

extern void apply_fhc_ranges(struct linux_fhc *fhc,

                             struct linux_prom_registers *regs,

                             int nregs);

#endif /* !(_SPARC64_FHC_H) */