/* $Id: fhc.h,v 1.5 1999/09/21 14:39:29 davem 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 #include #include #include 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; struct device_node *prom_node; 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; struct device_node *prom_node; 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) */