diff options
Diffstat (limited to 'target/linux/brcm-2.4/files/arch/mips/bcm947xx/include/sbpci.h')
| -rw-r--r-- | target/linux/brcm-2.4/files/arch/mips/bcm947xx/include/sbpci.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/target/linux/brcm-2.4/files/arch/mips/bcm947xx/include/sbpci.h b/target/linux/brcm-2.4/files/arch/mips/bcm947xx/include/sbpci.h new file mode 100644 index 0000000000..761e5b4513 --- /dev/null +++ b/target/linux/brcm-2.4/files/arch/mips/bcm947xx/include/sbpci.h @@ -0,0 +1,114 @@ +/* + * 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_ */ |