include/asm-sparc64/fhc.h

   1 /*
   2  * fhc.h: Structures for central/fhc pseudo driver on Sunfire/Starfire/Wildfire.
   3  *
   4  * Copyright (C) 1997, 1999 David S. Miller (davem@redhat.com)
   5  */
   6
   7 #ifndef _SPARC64_FHC_H
   8 #define _SPARC64_FHC_H
   9
  10 #include <linux/timer.h>
  11
  12 #include <asm/oplib.h>
  13 #include <asm/prom.h>
  14 #include <asm/upa.h>
  15
  16 struct linux_fhc;
  17
  18 /* Clock board register offsets. */
  19 #define CLOCK_CTRL      0x00UL  /* Main control */
  20 #define CLOCK_STAT1     0x10UL  /* Status one */
  21 #define CLOCK_STAT2     0x20UL  /* Status two */
  22 #define CLOCK_PWRSTAT   0x30UL  /* Power status */
  23 #define CLOCK_PWRPRES   0x40UL  /* Power presence */
  24 #define CLOCK_TEMP      0x50UL  /* Temperature */
  25 #define CLOCK_IRQDIAG   0x60UL  /* IRQ diagnostics */
  26 #define CLOCK_PWRSTAT2  0x70UL  /* Power status two */
  27
  28 #define CLOCK_CTRL_LLED         0x04    /* Left LED, 0 == on */
  29 #define CLOCK_CTRL_MLED         0x02    /* Mid LED, 1 == on */
  30 #define CLOCK_CTRL_RLED         0x01    /* RIght LED, 1 == on */
  31
  32 struct linux_central {
  33         struct linux_fhc                *child;
  34         unsigned long                   cfreg;
  35         unsigned long                   clkregs;
  36         unsigned long                   clkver;
  37         int                             slots;
  38         struct device_node              *prom_node;
  39
  40         struct linux_prom_ranges        central_ranges[PROMREG_MAX];
  41         int                             num_central_ranges;
  42 };
  43
  44 /* Firehose controller register offsets */
  45 struct fhc_regs {
  46         unsigned long                   pregs;  /* FHC internal regs */
  47 #define FHC_PREGS_ID    0x00UL  /* FHC ID */
  48 #define  FHC_ID_VERS            0xf0000000 /* Version of this FHC               */
  49 #define  FHC_ID_PARTID          0x0ffff000 /* Part ID code (0x0f9f == FHC)      */
  50 #define  FHC_ID_MANUF           0x0000007e /* Manufacturer (0x3e == SUN's JEDEC)*/
  51 #define  FHC_ID_RESV            0x00000001 /* Read as one                       */
  52 #define FHC_PREGS_RCS   0x10UL  /* FHC Reset Control/Status Register */
  53 #define  FHC_RCS_POR            0x80000000 /* Last reset was a power cycle      */
  54 #define  FHC_RCS_SPOR           0x40000000 /* Last reset was sw power on reset  */
  55 #define  FHC_RCS_SXIR           0x20000000 /* Last reset was sw XIR reset       */
  56 #define  FHC_RCS_BPOR           0x10000000 /* Last reset was due to POR button  */
  57 #define  FHC_RCS_BXIR           0x08000000 /* Last reset was due to XIR button  */
  58 #define  FHC_RCS_WEVENT         0x04000000 /* CPU reset was due to wakeup event */
  59 #define  FHC_RCS_CFATAL         0x02000000 /* Centerplane Fatal Error signalled */
  60 #define  FHC_RCS_FENAB          0x01000000 /* Fatal errors elicit system reset  */
  61 #define FHC_PREGS_CTRL  0x20UL  /* FHC Control Register */
  62 #define  FHC_CONTROL_ICS        0x00100000 /* Ignore Centerplane Signals        */
  63 #define  FHC_CONTROL_FRST       0x00080000 /* Fatal Error Reset Enable          */
  64 #define  FHC_CONTROL_LFAT       0x00040000 /* AC/DC signalled a local error     */
  65 #define  FHC_CONTROL_SLINE      0x00010000 /* Firmware Synchronization Line     */
  66 #define  FHC_CONTROL_DCD        0x00008000 /* DC-->DC Converter Disable         */
  67 #define  FHC_CONTROL_POFF       0x00004000 /* AC/DC Controller PLL Disable      */
  68 #define  FHC_CONTROL_FOFF       0x00002000 /* FHC Controller PLL Disable        */
  69 #define  FHC_CONTROL_AOFF       0x00001000 /* CPU A SRAM/SBD Low Power Mode     */
  70 #define  FHC_CONTROL_BOFF       0x00000800 /* CPU B SRAM/SBD Low Power Mode     */
  71 #define  FHC_CONTROL_PSOFF      0x00000400 /* Turns off this FHC's power supply */
  72 #define  FHC_CONTROL_IXIST      0x00000200 /* 0=FHC tells clock board it exists */
  73 #define  FHC_CONTROL_XMSTR      0x00000100 /* 1=Causes this FHC to be XIR master*/
  74 #define  FHC_CONTROL_LLED       0x00000040 /* 0=Left LED ON                     */
  75 #define  FHC_CONTROL_MLED       0x00000020 /* 1=Middle LED ON                   */
  76 #define  FHC_CONTROL_RLED       0x00000010 /* 1=Right LED                       */
  77 #define  FHC_CONTROL_BPINS      0x00000003 /* Spare Bidirectional Pins          */
  78 #define FHC_PREGS_BSR   0x30UL  /* FHC Board Status Register */
  79 #define  FHC_BSR_DA64           0x00040000 /* Port A: 0=128bit 1=64bit data path */
  80 #define  FHC_BSR_DB64           0x00020000 /* Port B: 0=128bit 1=64bit data path */
  81 #define  FHC_BSR_BID            0x0001e000 /* Board ID                           */
  82 #define  FHC_BSR_SA             0x00001c00 /* Port A UPA Speed (from the pins)   */
  83 #define  FHC_BSR_SB             0x00000380 /* Port B UPA Speed (from the pins)   */
  84 #define  FHC_BSR_NDIAG          0x00000040 /* Not in Diag Mode                   */
  85 #define  FHC_BSR_NTBED          0x00000020 /* Not in TestBED Mode                */
  86 #define  FHC_BSR_NIA            0x0000001c /* Jumper, bit 18 in PROM space       */
  87 #define  FHC_BSR_SI             0x00000001 /* Spare input pin value              */
  88 #define FHC_PREGS_ECC   0x40UL  /* FHC ECC Control Register (16 bits) */
  89 #define FHC_PREGS_JCTRL 0xf0UL  /* FHC JTAG Control Register */
  90 #define  FHC_JTAG_CTRL_MENAB    0x80000000 /* Indicates this is JTAG Master      */
  91 #define  FHC_JTAG_CTRL_MNONE    0x40000000 /* Indicates no JTAG Master present   */
  92 #define FHC_PREGS_JCMD  0x100UL /* FHC JTAG Command Register */
  93         unsigned long                   ireg;   /* FHC IGN reg */
  94 #define FHC_IREG_IGN    0x00UL  /* This FHC's IGN */
  95         unsigned long                   ffregs; /* FHC fanfail regs */
  96 #define FHC_FFREGS_IMAP 0x00UL  /* FHC Fanfail IMAP */
  97 #define FHC_FFREGS_ICLR 0x10UL  /* FHC Fanfail ICLR */
  98         unsigned long                   sregs;  /* FHC system regs */
  99 #define FHC_SREGS_IMAP  0x00UL  /* FHC System IMAP */
 100 #define FHC_SREGS_ICLR  0x10UL  /* FHC System ICLR */
 101         unsigned long                   uregs;  /* FHC uart regs */
 102 #define FHC_UREGS_IMAP  0x00UL  /* FHC Uart IMAP */
 103 #define FHC_UREGS_ICLR  0x10UL  /* FHC Uart ICLR */
 104         unsigned long                   tregs;  /* FHC TOD regs */
 105 #define FHC_TREGS_IMAP  0x00UL  /* FHC TOD IMAP */
 106 #define FHC_TREGS_ICLR  0x10UL  /* FHC TOD ICLR */
 107 };
 108
 109 struct linux_fhc {
 110         struct linux_fhc                *next;
 111         struct linux_central            *parent;        /* NULL if not central FHC */
 112         struct fhc_regs                 fhc_regs;
 113         int                             board;
 114         int                             jtag_master;
 115         struct device_node              *prom_node;
 116
 117         struct linux_prom_ranges        fhc_ranges[PROMREG_MAX];
 118         int                             num_fhc_ranges;
 119 };
 120
 121 extern struct linux_central *central_bus;
 122
 123 extern void apply_central_ranges(struct linux_central *central,
 124                                  struct linux_prom_registers *regs,
 125                                  int nregs);
 126
 127 extern void apply_fhc_ranges(struct linux_fhc *fhc,
 128                              struct linux_prom_registers *regs,
 129                              int nregs);
 130
 131 #endif /* !(_SPARC64_FHC_H) */