/* * HND SiliconBackplane PCI core hardware definitions. * * Copyright 2006, Broadcom Corporation * All Rights Reserved. * * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. * * $Id: sbpci.h,v 1.1.1.11 2006/02/27 03:43:16 honor Exp $ */ #ifndef _sbpci_h_ #define _sbpci_h_ #ifndef _LANGUAGE_ASSEMBLY /* cpp contortions to concatenate w/arg prescan */ #ifndef PAD #define _PADLINE(line) pad ## line #define _XSTR(line) _PADLINE(line) #define PAD _XSTR(__LINE__) #endif /* Sonics side: PCI core and host control registers */ typedef struct sbpciregs { uint32 control; /* PCI control */ uint32 PAD[3]; uint32 arbcontrol; /* PCI arbiter control */ uint32 PAD[3]; uint32 intstatus; /* Interrupt status */ uint32 intmask; /* Interrupt mask */ uint32 sbtopcimailbox; /* Sonics to PCI mailbox */ uint32 PAD[9]; uint32 bcastaddr; /* Sonics broadcast address */ uint32 bcastdata; /* Sonics broadcast data */ uint32 PAD[2]; uint32 gpioin; /* ro: gpio input (>=rev2) */ uint32 gpioout; /* rw: gpio output (>=rev2) */ uint32 gpioouten; /* rw: gpio output enable (>= rev2) */ uint32 gpiocontrol; /* rw: gpio control (>= rev2) */ uint32 PAD[36]; uint32 sbtopci0; /* Sonics to PCI translation 0 */ uint32 sbtopci1; /* Sonics to PCI translation 1 */ uint32 sbtopci2; /* Sonics to PCI translation 2 */ uint32 PAD[189]; uint32 pcicfg[4][64]; /* 0x400 - 0x7FF, PCI Cfg Space (>=rev8) */ uint16 sprom[36]; /* SPROM shadow Area */ uint32 PAD[46]; } sbpciregs_t; #endif /* _LANGUAGE_ASSEMBLY */ /* PCI control */ #define PCI_RST_OE 0x01 /* When set, drives PCI_RESET out to pin */ #define PCI_RST 0x02 /* Value driven out to pin */ #define PCI_CLK_OE 0x04 /* When set, drives clock as gated by PCI_CLK out to pin */ #define PCI_CLK 0x08 /* Gate for clock driven out to pin */ /* PCI arbiter control */ #define PCI_INT_ARB 0x01 /* When set, use an internal arbiter */ #define PCI_EXT_ARB 0x02 /* When set, use an external arbiter */ /* ParkID - for PCI corerev >= 8 */ #define PCI_PARKID_MASK 0x1c /* Selects which agent is parked on an idle bus */ #define PCI_PARKID_SHIFT 2 #define PCI_PARKID_EXT0 0 /* External master 0 */ #define PCI_PARKID_EXT1 1 /* External master 1 */ #define PCI_PARKID_EXT2 2 /* External master 2 */ #define PCI_PARKID_INT 3 /* Internal master */ #define PCI_PARKID_LAST 4 /* Last active master */ /* Interrupt status/mask */ #define PCI_INTA 0x01 /* PCI INTA# is asserted */ #define PCI_INTB 0x02 /* PCI INTB# is asserted */ #define PCI_SERR 0x04 /* PCI SERR# has been asserted (write one to clear) */ #define PCI_PERR 0x08 /* PCI PERR# has been asserted (write one to clear) */ #define PCI_PME 0x10 /* PCI PME# is asserted */ /* (General) PCI/SB mailbox interrupts, two bits per pci function */ #define MAILBOX_F0_0 0x100 /* function 0, int 0 */ #define MAILBOX_F0_1 0x200 /* function 0, int 1 */ #define MAILBOX_F1_0 0x400 /* function 1, int 0 */ #define MAILBOX_F1_1 0x800 /* function 1, int 1 */ #define MAILBOX_F2_0 0x1000 /* function 2, int 0 */ #define MAILBOX_F2_1 0x2000 /* function 2, int 1 */ #define MAILBOX_F3_0 0x4000 /* function 3, int 0 */ #define MAILBOX_F3_1 0x8000 /* function 3, int 1 */ /* Sonics broadcast address */ #define BCAST_ADDR_MASK 0xff /* Broadcast register address */ /* Sonics to PCI translation types */ #define SBTOPCI0_MASK 0xfc000000 #define SBTOPCI1_MASK 0xfc000000 #define SBTOPCI2_MASK 0xc0000000 #define SBTOPCI_MEM 0 #define SBTOPCI_IO 1 #define SBTOPCI_CFG0 2 #define SBTOPCI_CFG1 3 #define SBTOPCI_PREF 0x4 /* prefetch enable */ #define SBTOPCI_BURST 0x8 /* burst enable */ #define SBTOPCI_RC_MASK 0x30 /* read command (>= rev11) */ #define SBTOPCI_RC_READ 0x00 /* memory read */ #define SBTOPCI_RC_READLINE 0x10 /* memory read line */ #define SBTOPCI_RC_READMULTI 0x20 /* memory read multiple */ /* PCI core index in SROM shadow area */ #define SRSH_PI_OFFSET 0 /* first word */ #define SRSH_PI_MASK 0xf000 /* bit 15:12 */ #define SRSH_PI_SHIFT 12 /* bit 15:12 */ #endif /* _sbpci_h_ */