1 /* $Id: fhc.h,v 1.5.2.1 2002/03/01 10:04:01 davem Exp $ 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/upa.h> 14 15 struct linux_fhc; 16 17 /* Clock board register offsets. */ 18 #define CLOCK_CTRL 0x00UL /* Main control */ 19 #define CLOCK_STAT1 0x10UL /* Status one */ 20 #define CLOCK_STAT2 0x20UL /* Status two */ 21 #define CLOCK_PWRSTAT 0x30UL /* Power status */ 22 #define CLOCK_PWRPRES 0x40UL /* Power presence */ 23 #define CLOCK_TEMP 0x50UL /* Temperature */ 24 #define CLOCK_IRQDIAG 0x60UL /* IRQ diagnostics */ 25 #define CLOCK_PWRSTAT2 0x70UL /* Power status two */ 26 27 #define CLOCK_CTRL_LLED 0x04 /* Left LED, 0 == on */ 28 #define CLOCK_CTRL_MLED 0x02 /* Mid LED, 1 == on */ 29 #define CLOCK_CTRL_RLED 0x01 /* RIght LED, 1 == on */ 30 31 struct linux_central { 32 struct linux_fhc *child; 33 unsigned long cfreg; 34 unsigned long clkregs; 35 unsigned long clkver; 36 int slots; 37 int prom_node; 38 char prom_name[64]; 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 int prom_node; 116 char prom_name[64]; 117 118 struct linux_prom_ranges fhc_ranges[PROMREG_MAX]; 119 int num_fhc_ranges; 120 }; 121 122 extern struct linux_central *central_bus; 123 124 extern void apply_central_ranges(struct linux_central *central, 125 struct linux_prom_registers *regs, 126 int nregs); 127 128 extern void apply_fhc_ranges(struct linux_fhc *fhc, 129 struct linux_prom_registers *regs, 130 int nregs); 131 132 #endif /* !(_SPARC64_FHC_H) */ 133