|  | /* | 
|  | * This file is subject to the terms and conditions of the GNU General Public | 
|  | * License.  See the file "COPYING" in the main directory of this archive | 
|  | * for more details. | 
|  | * | 
|  | * bridge.h - bridge chip header file, derived from IRIX <sys/PCI/bridge.h>, | 
|  | * revision 1.76. | 
|  | * | 
|  | * Copyright (C) 1996, 1999 Silcon Graphics, Inc. | 
|  | * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org) | 
|  | */ | 
|  | #ifndef _ASM_PCI_BRIDGE_H | 
|  | #define _ASM_PCI_BRIDGE_H | 
|  |  | 
|  | #include <linux/types.h> | 
|  | #include <linux/pci.h> | 
|  | #include <asm/xtalk/xwidget.h>		/* generic widget header */ | 
|  | #include <asm/sn/types.h> | 
|  |  | 
|  | /* I/O page size */ | 
|  |  | 
|  | #define IOPFNSHIFT		12	/* 4K per mapped page */ | 
|  |  | 
|  | #define IOPGSIZE		(1 << IOPFNSHIFT) | 
|  | #define IOPG(x)			((x) >> IOPFNSHIFT) | 
|  | #define IOPGOFF(x)		((x) & (IOPGSIZE-1)) | 
|  |  | 
|  | /* Bridge RAM sizes */ | 
|  |  | 
|  | #define BRIDGE_ATE_RAM_SIZE	0x00000400	/* 1kB ATE RAM */ | 
|  |  | 
|  | #define BRIDGE_CONFIG_BASE	0x20000 | 
|  | #define BRIDGE_CONFIG1_BASE	0x28000 | 
|  | #define BRIDGE_CONFIG_END	0x30000 | 
|  | #define BRIDGE_CONFIG_SLOT_SIZE 0x1000 | 
|  |  | 
|  | #define BRIDGE_SSRAM_512K	0x00080000	/* 512kB */ | 
|  | #define BRIDGE_SSRAM_128K	0x00020000	/* 128kB */ | 
|  | #define BRIDGE_SSRAM_64K	0x00010000	/* 64kB */ | 
|  | #define BRIDGE_SSRAM_0K		0x00000000	/* 0kB */ | 
|  |  | 
|  | /* ======================================================================== | 
|  | *    Bridge address map | 
|  | */ | 
|  |  | 
|  | #ifndef __ASSEMBLY__ | 
|  |  | 
|  | /* | 
|  | * All accesses to bridge hardware registers must be done | 
|  | * using 32-bit loads and stores. | 
|  | */ | 
|  | typedef u32	bridgereg_t; | 
|  |  | 
|  | typedef u64	bridge_ate_t; | 
|  |  | 
|  | /* pointers to bridge ATEs | 
|  | * are always "pointer to volatile" | 
|  | */ | 
|  | typedef volatile bridge_ate_t  *bridge_ate_p; | 
|  |  | 
|  | /* | 
|  | * It is generally preferred that hardware registers on the bridge | 
|  | * are located from C code via this structure. | 
|  | * | 
|  | * Generated from Bridge spec dated 04oct95 | 
|  | */ | 
|  |  | 
|  | typedef volatile struct bridge_s { | 
|  | /* Local Registers			       0x000000-0x00FFFF */ | 
|  |  | 
|  | /* standard widget configuration	       0x000000-0x000057 */ | 
|  | widget_cfg_t	    b_widget;			/* 0x000000 */ | 
|  |  | 
|  | /* helper fieldnames for accessing bridge widget */ | 
|  |  | 
|  | #define b_wid_id			b_widget.w_id | 
|  | #define b_wid_stat			b_widget.w_status | 
|  | #define b_wid_err_upper			b_widget.w_err_upper_addr | 
|  | #define b_wid_err_lower			b_widget.w_err_lower_addr | 
|  | #define b_wid_control			b_widget.w_control | 
|  | #define b_wid_req_timeout		b_widget.w_req_timeout | 
|  | #define b_wid_int_upper			b_widget.w_intdest_upper_addr | 
|  | #define b_wid_int_lower			b_widget.w_intdest_lower_addr | 
|  | #define b_wid_err_cmdword		b_widget.w_err_cmd_word | 
|  | #define b_wid_llp			b_widget.w_llp_cfg | 
|  | #define b_wid_tflush			b_widget.w_tflush | 
|  |  | 
|  | /* bridge-specific widget configuration	0x000058-0x00007F */ | 
|  | bridgereg_t	    _pad_000058; | 
|  | bridgereg_t	    b_wid_aux_err;		/* 0x00005C */ | 
|  | bridgereg_t	    _pad_000060; | 
|  | bridgereg_t	    b_wid_resp_upper;		/* 0x000064 */ | 
|  | bridgereg_t	    _pad_000068; | 
|  | bridgereg_t	    b_wid_resp_lower;		/* 0x00006C */ | 
|  | bridgereg_t	    _pad_000070; | 
|  | bridgereg_t	    b_wid_tst_pin_ctrl;		/* 0x000074 */ | 
|  | bridgereg_t	_pad_000078[2]; | 
|  |  | 
|  | /* PMU & Map 0x000080-0x00008F */ | 
|  | bridgereg_t	_pad_000080; | 
|  | bridgereg_t	b_dir_map;			/* 0x000084 */ | 
|  | bridgereg_t	_pad_000088[2]; | 
|  |  | 
|  | /* SSRAM 0x000090-0x00009F */ | 
|  | bridgereg_t	_pad_000090; | 
|  | bridgereg_t	b_ram_perr;			/* 0x000094 */ | 
|  | bridgereg_t	_pad_000098[2]; | 
|  |  | 
|  | /* Arbitration 0x0000A0-0x0000AF */ | 
|  | bridgereg_t	_pad_0000A0; | 
|  | bridgereg_t	b_arb;				/* 0x0000A4 */ | 
|  | bridgereg_t	_pad_0000A8[2]; | 
|  |  | 
|  | /* Number In A Can 0x0000B0-0x0000BF */ | 
|  | bridgereg_t	_pad_0000B0; | 
|  | bridgereg_t	b_nic;				/* 0x0000B4 */ | 
|  | bridgereg_t	_pad_0000B8[2]; | 
|  |  | 
|  | /* PCI/GIO 0x0000C0-0x0000FF */ | 
|  | bridgereg_t	_pad_0000C0; | 
|  | bridgereg_t	b_bus_timeout;			/* 0x0000C4 */ | 
|  | #define b_pci_bus_timeout b_bus_timeout | 
|  |  | 
|  | bridgereg_t	_pad_0000C8; | 
|  | bridgereg_t	b_pci_cfg;			/* 0x0000CC */ | 
|  | bridgereg_t	_pad_0000D0; | 
|  | bridgereg_t	b_pci_err_upper;		/* 0x0000D4 */ | 
|  | bridgereg_t	_pad_0000D8; | 
|  | bridgereg_t	b_pci_err_lower;		/* 0x0000DC */ | 
|  | bridgereg_t	_pad_0000E0[8]; | 
|  | #define b_gio_err_lower b_pci_err_lower | 
|  | #define b_gio_err_upper b_pci_err_upper | 
|  |  | 
|  | /* Interrupt 0x000100-0x0001FF */ | 
|  | bridgereg_t	_pad_000100; | 
|  | bridgereg_t	b_int_status;			/* 0x000104 */ | 
|  | bridgereg_t	_pad_000108; | 
|  | bridgereg_t	b_int_enable;			/* 0x00010C */ | 
|  | bridgereg_t	_pad_000110; | 
|  | bridgereg_t	b_int_rst_stat;			/* 0x000114 */ | 
|  | bridgereg_t	_pad_000118; | 
|  | bridgereg_t	b_int_mode;			/* 0x00011C */ | 
|  | bridgereg_t	_pad_000120; | 
|  | bridgereg_t	b_int_device;			/* 0x000124 */ | 
|  | bridgereg_t	_pad_000128; | 
|  | bridgereg_t	b_int_host_err;			/* 0x00012C */ | 
|  |  | 
|  | struct { | 
|  | bridgereg_t	__pad;			/* 0x0001{30,,,68} */ | 
|  | bridgereg_t	addr;			/* 0x0001{34,,,6C} */ | 
|  | } b_int_addr[8];				/* 0x000130 */ | 
|  |  | 
|  | bridgereg_t	_pad_000170[36]; | 
|  |  | 
|  | /* Device 0x000200-0x0003FF */ | 
|  | struct { | 
|  | bridgereg_t	__pad;			/* 0x0002{00,,,38} */ | 
|  | bridgereg_t	reg;			/* 0x0002{04,,,3C} */ | 
|  | } b_device[8];					/* 0x000200 */ | 
|  |  | 
|  | struct { | 
|  | bridgereg_t	__pad;			/* 0x0002{40,,,78} */ | 
|  | bridgereg_t	reg;			/* 0x0002{44,,,7C} */ | 
|  | } b_wr_req_buf[8];				/* 0x000240 */ | 
|  |  | 
|  | struct { | 
|  | bridgereg_t	__pad;			/* 0x0002{80,,,88} */ | 
|  | bridgereg_t	reg;			/* 0x0002{84,,,8C} */ | 
|  | } b_rrb_map[2];					/* 0x000280 */ | 
|  | #define	b_even_resp	b_rrb_map[0].reg		/* 0x000284 */ | 
|  | #define	b_odd_resp	b_rrb_map[1].reg		/* 0x00028C */ | 
|  |  | 
|  | bridgereg_t	_pad_000290; | 
|  | bridgereg_t	b_resp_status;			/* 0x000294 */ | 
|  | bridgereg_t	_pad_000298; | 
|  | bridgereg_t	b_resp_clear;			/* 0x00029C */ | 
|  |  | 
|  | bridgereg_t	_pad_0002A0[24]; | 
|  |  | 
|  | char		_pad_000300[0x10000 - 0x000300]; | 
|  |  | 
|  | /* Internal Address Translation Entry RAM 0x010000-0x0103FF */ | 
|  | union { | 
|  | bridge_ate_t	wr;			/* write-only */ | 
|  | struct { | 
|  | bridgereg_t	_p_pad; | 
|  | bridgereg_t	rd;		/* read-only */ | 
|  | }			hi; | 
|  | }			    b_int_ate_ram[128]; | 
|  |  | 
|  | char	_pad_010400[0x11000 - 0x010400]; | 
|  |  | 
|  | /* Internal Address Translation Entry RAM LOW 0x011000-0x0113FF */ | 
|  | struct { | 
|  | bridgereg_t	_p_pad; | 
|  | bridgereg_t	rd;		/* read-only */ | 
|  | } b_int_ate_ram_lo[128]; | 
|  |  | 
|  | char	_pad_011400[0x20000 - 0x011400]; | 
|  |  | 
|  | /* PCI Device Configuration Spaces 0x020000-0x027FFF */ | 
|  | union {				/* make all access sizes available. */ | 
|  | u8	c[0x1000 / 1]; | 
|  | u16	s[0x1000 / 2]; | 
|  | u32	l[0x1000 / 4]; | 
|  | u64	d[0x1000 / 8]; | 
|  | union { | 
|  | u8	c[0x100 / 1]; | 
|  | u16	s[0x100 / 2]; | 
|  | u32	l[0x100 / 4]; | 
|  | u64	d[0x100 / 8]; | 
|  | } f[8]; | 
|  | } b_type0_cfg_dev[8];					/* 0x020000 */ | 
|  |  | 
|  | /* PCI Type 1 Configuration Space 0x028000-0x028FFF */ | 
|  | union {				/* make all access sizes available. */ | 
|  | u8	c[0x1000 / 1]; | 
|  | u16	s[0x1000 / 2]; | 
|  | u32	l[0x1000 / 4]; | 
|  | u64	d[0x1000 / 8]; | 
|  | } b_type1_cfg;					/* 0x028000-0x029000 */ | 
|  |  | 
|  | char	_pad_029000[0x007000];			/* 0x029000-0x030000 */ | 
|  |  | 
|  | /* PCI Interrupt Acknowledge Cycle 0x030000 */ | 
|  | union { | 
|  | u8	c[8 / 1]; | 
|  | u16	s[8 / 2]; | 
|  | u32	l[8 / 4]; | 
|  | u64	d[8 / 8]; | 
|  | } b_pci_iack;						/* 0x030000 */ | 
|  |  | 
|  | u8	_pad_030007[0x04fff8];			/* 0x030008-0x07FFFF */ | 
|  |  | 
|  | /* External Address Translation Entry RAM 0x080000-0x0FFFFF */ | 
|  | bridge_ate_t    b_ext_ate_ram[0x10000]; | 
|  |  | 
|  | /* Reserved 0x100000-0x1FFFFF */ | 
|  | char	_pad_100000[0x200000-0x100000]; | 
|  |  | 
|  | /* PCI/GIO Device Spaces 0x200000-0xBFFFFF */ | 
|  | union {				/* make all access sizes available. */ | 
|  | u8	c[0x100000 / 1]; | 
|  | u16	s[0x100000 / 2]; | 
|  | u32	l[0x100000 / 4]; | 
|  | u64	d[0x100000 / 8]; | 
|  | } b_devio_raw[10];				/* 0x200000 */ | 
|  |  | 
|  | /* b_devio macro is a bit strange; it reflects the | 
|  | * fact that the Bridge ASIC provides 2M for the | 
|  | * first two DevIO windows and 1M for the other six. | 
|  | */ | 
|  | #define b_devio(n)	b_devio_raw[((n)<2)?(n*2):(n+2)] | 
|  |  | 
|  | /* External Flash Proms 1,0 0xC00000-0xFFFFFF */ | 
|  | union {		/* make all access sizes available. */ | 
|  | u8	c[0x400000 / 1];	/* read-only */ | 
|  | u16	s[0x400000 / 2];	/* read-write */ | 
|  | u32	l[0x400000 / 4];	/* read-only */ | 
|  | u64	d[0x400000 / 8];	/* read-only */ | 
|  | } b_external_flash;			/* 0xC00000 */ | 
|  | } bridge_t; | 
|  |  | 
|  | /* | 
|  | * Field formats for Error Command Word and Auxillary Error Command Word | 
|  | * of bridge. | 
|  | */ | 
|  | typedef struct bridge_err_cmdword_s { | 
|  | union { | 
|  | u32		cmd_word; | 
|  | struct { | 
|  | u32	didn:4,		/* Destination ID */ | 
|  | sidn:4,		/* Source ID	  */ | 
|  | pactyp:4,	/* Packet type	  */ | 
|  | tnum:5,		/* Trans Number	  */ | 
|  | coh:1,		/* Coh Transacti  */ | 
|  | ds:2,		/* Data size	  */ | 
|  | gbr:1,		/* GBR enable	  */ | 
|  | vbpm:1,		/* VBPM message	  */ | 
|  | error:1,	/* Error occurred  */ | 
|  | barr:1,		/* Barrier op	  */ | 
|  | rsvd:8; | 
|  | } berr_st; | 
|  | } berr_un; | 
|  | } bridge_err_cmdword_t; | 
|  |  | 
|  | #define berr_field	berr_un.berr_st | 
|  | #endif /* !__ASSEMBLY__ */ | 
|  |  | 
|  | /* | 
|  | * The values of these macros can and should be crosschecked | 
|  | * regularly against the offsets of the like-named fields | 
|  | * within the "bridge_t" structure above. | 
|  | */ | 
|  |  | 
|  | /* Byte offset macros for Bridge internal registers */ | 
|  |  | 
|  | #define BRIDGE_WID_ID		WIDGET_ID | 
|  | #define BRIDGE_WID_STAT		WIDGET_STATUS | 
|  | #define BRIDGE_WID_ERR_UPPER	WIDGET_ERR_UPPER_ADDR | 
|  | #define BRIDGE_WID_ERR_LOWER	WIDGET_ERR_LOWER_ADDR | 
|  | #define BRIDGE_WID_CONTROL	WIDGET_CONTROL | 
|  | #define BRIDGE_WID_REQ_TIMEOUT	WIDGET_REQ_TIMEOUT | 
|  | #define BRIDGE_WID_INT_UPPER	WIDGET_INTDEST_UPPER_ADDR | 
|  | #define BRIDGE_WID_INT_LOWER	WIDGET_INTDEST_LOWER_ADDR | 
|  | #define BRIDGE_WID_ERR_CMDWORD	WIDGET_ERR_CMD_WORD | 
|  | #define BRIDGE_WID_LLP		WIDGET_LLP_CFG | 
|  | #define BRIDGE_WID_TFLUSH	WIDGET_TFLUSH | 
|  |  | 
|  | #define BRIDGE_WID_AUX_ERR	0x00005C	/* Aux Error Command Word */ | 
|  | #define BRIDGE_WID_RESP_UPPER	0x000064	/* Response Buf Upper Addr */ | 
|  | #define BRIDGE_WID_RESP_LOWER	0x00006C	/* Response Buf Lower Addr */ | 
|  | #define BRIDGE_WID_TST_PIN_CTRL 0x000074	/* Test pin control */ | 
|  |  | 
|  | #define BRIDGE_DIR_MAP		0x000084	/* Direct Map reg */ | 
|  |  | 
|  | #define BRIDGE_RAM_PERR		0x000094	/* SSRAM Parity Error */ | 
|  |  | 
|  | #define BRIDGE_ARB		0x0000A4	/* Arbitration Priority reg */ | 
|  |  | 
|  | #define BRIDGE_NIC		0x0000B4	/* Number In A Can */ | 
|  |  | 
|  | #define BRIDGE_BUS_TIMEOUT	0x0000C4	/* Bus Timeout Register */ | 
|  | #define BRIDGE_PCI_BUS_TIMEOUT	BRIDGE_BUS_TIMEOUT | 
|  | #define BRIDGE_PCI_CFG		0x0000CC	/* PCI Type 1 Config reg */ | 
|  | #define BRIDGE_PCI_ERR_UPPER	0x0000D4	/* PCI error Upper Addr */ | 
|  | #define BRIDGE_PCI_ERR_LOWER	0x0000DC	/* PCI error Lower Addr */ | 
|  |  | 
|  | #define BRIDGE_INT_STATUS	0x000104	/* Interrupt Status */ | 
|  | #define BRIDGE_INT_ENABLE	0x00010C	/* Interrupt Enables */ | 
|  | #define BRIDGE_INT_RST_STAT	0x000114	/* Reset Intr Status */ | 
|  | #define BRIDGE_INT_MODE		0x00011C	/* Interrupt Mode */ | 
|  | #define BRIDGE_INT_DEVICE	0x000124	/* Interrupt Device */ | 
|  | #define BRIDGE_INT_HOST_ERR	0x00012C	/* Host Error Field */ | 
|  |  | 
|  | #define BRIDGE_INT_ADDR0	0x000134	/* Host Address Reg */ | 
|  | #define BRIDGE_INT_ADDR_OFF	0x000008	/* Host Addr offset (1..7) */ | 
|  | #define BRIDGE_INT_ADDR(x)	(BRIDGE_INT_ADDR0+(x)*BRIDGE_INT_ADDR_OFF) | 
|  |  | 
|  | #define BRIDGE_DEVICE0		0x000204	/* Device 0 */ | 
|  | #define BRIDGE_DEVICE_OFF	0x000008	/* Device offset (1..7) */ | 
|  | #define BRIDGE_DEVICE(x)	(BRIDGE_DEVICE0+(x)*BRIDGE_DEVICE_OFF) | 
|  |  | 
|  | #define BRIDGE_WR_REQ_BUF0	0x000244	/* Write Request Buffer 0 */ | 
|  | #define BRIDGE_WR_REQ_BUF_OFF	0x000008	/* Buffer Offset (1..7) */ | 
|  | #define BRIDGE_WR_REQ_BUF(x)	(BRIDGE_WR_REQ_BUF0+(x)*BRIDGE_WR_REQ_BUF_OFF) | 
|  |  | 
|  | #define BRIDGE_EVEN_RESP	0x000284	/* Even Device Response Buf */ | 
|  | #define BRIDGE_ODD_RESP		0x00028C	/* Odd Device Response Buf */ | 
|  |  | 
|  | #define BRIDGE_RESP_STATUS	0x000294	/* Read Response Status reg */ | 
|  | #define BRIDGE_RESP_CLEAR	0x00029C	/* Read Response Clear reg */ | 
|  |  | 
|  | /* Byte offset macros for Bridge I/O space */ | 
|  |  | 
|  | #define BRIDGE_ATE_RAM		0x00010000	/* Internal Addr Xlat Ram */ | 
|  |  | 
|  | #define BRIDGE_TYPE0_CFG_DEV0	0x00020000	/* Type 0 Cfg, Device 0 */ | 
|  | #define BRIDGE_TYPE0_CFG_SLOT_OFF	0x00001000	/* Type 0 Cfg Slot Offset (1..7) */ | 
|  | #define BRIDGE_TYPE0_CFG_FUNC_OFF	0x00000100	/* Type 0 Cfg Func Offset (1..7) */ | 
|  | #define BRIDGE_TYPE0_CFG_DEV(s)		(BRIDGE_TYPE0_CFG_DEV0+\ | 
|  | (s)*BRIDGE_TYPE0_CFG_SLOT_OFF) | 
|  | #define BRIDGE_TYPE0_CFG_DEVF(s, f)	(BRIDGE_TYPE0_CFG_DEV0+\ | 
|  | (s)*BRIDGE_TYPE0_CFG_SLOT_OFF+\ | 
|  | (f)*BRIDGE_TYPE0_CFG_FUNC_OFF) | 
|  |  | 
|  | #define BRIDGE_TYPE1_CFG	0x00028000	/* Type 1 Cfg space */ | 
|  |  | 
|  | #define BRIDGE_PCI_IACK		0x00030000	/* PCI Interrupt Ack */ | 
|  | #define BRIDGE_EXT_SSRAM	0x00080000	/* Extern SSRAM (ATE) */ | 
|  |  | 
|  | /* Byte offset macros for Bridge device IO spaces */ | 
|  |  | 
|  | #define BRIDGE_DEV_CNT		8	/* Up to 8 devices per bridge */ | 
|  | #define BRIDGE_DEVIO0		0x00200000	/* Device IO 0 Addr */ | 
|  | #define BRIDGE_DEVIO1		0x00400000	/* Device IO 1 Addr */ | 
|  | #define BRIDGE_DEVIO2		0x00600000	/* Device IO 2 Addr */ | 
|  | #define BRIDGE_DEVIO_OFF	0x00100000	/* Device IO Offset (3..7) */ | 
|  |  | 
|  | #define BRIDGE_DEVIO_2MB	0x00200000	/* Device IO Offset (0..1) */ | 
|  | #define BRIDGE_DEVIO_1MB	0x00100000	/* Device IO Offset (2..7) */ | 
|  |  | 
|  | #define BRIDGE_DEVIO(x)		((x)<=1 ? BRIDGE_DEVIO0+(x)*BRIDGE_DEVIO_2MB : BRIDGE_DEVIO2+((x)-2)*BRIDGE_DEVIO_1MB) | 
|  |  | 
|  | #define BRIDGE_EXTERNAL_FLASH	0x00C00000	/* External Flash PROMS */ | 
|  |  | 
|  | /* ======================================================================== | 
|  | *    Bridge register bit field definitions | 
|  | */ | 
|  |  | 
|  | /* Widget part number of bridge */ | 
|  | #define BRIDGE_WIDGET_PART_NUM		0xc002 | 
|  | #define XBRIDGE_WIDGET_PART_NUM		0xd002 | 
|  |  | 
|  | /* Manufacturer of bridge */ | 
|  | #define BRIDGE_WIDGET_MFGR_NUM		0x036 | 
|  | #define XBRIDGE_WIDGET_MFGR_NUM		0x024 | 
|  |  | 
|  | /* Revision numbers for known Bridge revisions */ | 
|  | #define BRIDGE_REV_A			0x1 | 
|  | #define BRIDGE_REV_B			0x2 | 
|  | #define BRIDGE_REV_C			0x3 | 
|  | #define	BRIDGE_REV_D			0x4 | 
|  |  | 
|  | /* Bridge widget status register bits definition */ | 
|  |  | 
|  | #define BRIDGE_STAT_LLP_REC_CNT		(0xFFu << 24) | 
|  | #define BRIDGE_STAT_LLP_TX_CNT		(0xFF << 16) | 
|  | #define BRIDGE_STAT_FLASH_SELECT	(0x1 << 6) | 
|  | #define BRIDGE_STAT_PCI_GIO_N		(0x1 << 5) | 
|  | #define BRIDGE_STAT_PENDING		(0x1F << 0) | 
|  |  | 
|  | /* Bridge widget control register bits definition */ | 
|  | #define BRIDGE_CTRL_FLASH_WR_EN		(0x1ul << 31) | 
|  | #define BRIDGE_CTRL_EN_CLK50		(0x1 << 30) | 
|  | #define BRIDGE_CTRL_EN_CLK40		(0x1 << 29) | 
|  | #define BRIDGE_CTRL_EN_CLK33		(0x1 << 28) | 
|  | #define BRIDGE_CTRL_RST(n)		((n) << 24) | 
|  | #define BRIDGE_CTRL_RST_MASK		(BRIDGE_CTRL_RST(0xF)) | 
|  | #define BRIDGE_CTRL_RST_PIN(x)		(BRIDGE_CTRL_RST(0x1 << (x))) | 
|  | #define BRIDGE_CTRL_IO_SWAP		(0x1 << 23) | 
|  | #define BRIDGE_CTRL_MEM_SWAP		(0x1 << 22) | 
|  | #define BRIDGE_CTRL_PAGE_SIZE		(0x1 << 21) | 
|  | #define BRIDGE_CTRL_SS_PAR_BAD		(0x1 << 20) | 
|  | #define BRIDGE_CTRL_SS_PAR_EN		(0x1 << 19) | 
|  | #define BRIDGE_CTRL_SSRAM_SIZE(n)	((n) << 17) | 
|  | #define BRIDGE_CTRL_SSRAM_SIZE_MASK	(BRIDGE_CTRL_SSRAM_SIZE(0x3)) | 
|  | #define BRIDGE_CTRL_SSRAM_512K		(BRIDGE_CTRL_SSRAM_SIZE(0x3)) | 
|  | #define BRIDGE_CTRL_SSRAM_128K		(BRIDGE_CTRL_SSRAM_SIZE(0x2)) | 
|  | #define BRIDGE_CTRL_SSRAM_64K		(BRIDGE_CTRL_SSRAM_SIZE(0x1)) | 
|  | #define BRIDGE_CTRL_SSRAM_1K		(BRIDGE_CTRL_SSRAM_SIZE(0x0)) | 
|  | #define BRIDGE_CTRL_F_BAD_PKT		(0x1 << 16) | 
|  | #define BRIDGE_CTRL_LLP_XBAR_CRD(n)	((n) << 12) | 
|  | #define BRIDGE_CTRL_LLP_XBAR_CRD_MASK	(BRIDGE_CTRL_LLP_XBAR_CRD(0xf)) | 
|  | #define BRIDGE_CTRL_CLR_RLLP_CNT	(0x1 << 11) | 
|  | #define BRIDGE_CTRL_CLR_TLLP_CNT	(0x1 << 10) | 
|  | #define BRIDGE_CTRL_SYS_END		(0x1 << 9) | 
|  | #define BRIDGE_CTRL_MAX_TRANS(n)	((n) << 4) | 
|  | #define BRIDGE_CTRL_MAX_TRANS_MASK	(BRIDGE_CTRL_MAX_TRANS(0x1f)) | 
|  | #define BRIDGE_CTRL_WIDGET_ID(n)	((n) << 0) | 
|  | #define BRIDGE_CTRL_WIDGET_ID_MASK	(BRIDGE_CTRL_WIDGET_ID(0xf)) | 
|  |  | 
|  | /* Bridge Response buffer Error Upper Register bit fields definition */ | 
|  | #define BRIDGE_RESP_ERRUPPR_DEVNUM_SHFT (20) | 
|  | #define BRIDGE_RESP_ERRUPPR_DEVNUM_MASK (0x7 << BRIDGE_RESP_ERRUPPR_DEVNUM_SHFT) | 
|  | #define BRIDGE_RESP_ERRUPPR_BUFNUM_SHFT (16) | 
|  | #define BRIDGE_RESP_ERRUPPR_BUFNUM_MASK (0xF << BRIDGE_RESP_ERRUPPR_BUFNUM_SHFT) | 
|  | #define BRIDGE_RESP_ERRRUPPR_BUFMASK	(0xFFFF) | 
|  |  | 
|  | #define BRIDGE_RESP_ERRUPPR_BUFNUM(x)	\ | 
|  | (((x) & BRIDGE_RESP_ERRUPPR_BUFNUM_MASK) >> \ | 
|  | BRIDGE_RESP_ERRUPPR_BUFNUM_SHFT) | 
|  |  | 
|  | #define BRIDGE_RESP_ERRUPPR_DEVICE(x)	\ | 
|  | (((x) &	 BRIDGE_RESP_ERRUPPR_DEVNUM_MASK) >> \ | 
|  | BRIDGE_RESP_ERRUPPR_DEVNUM_SHFT) | 
|  |  | 
|  | /* Bridge direct mapping register bits definition */ | 
|  | #define BRIDGE_DIRMAP_W_ID_SHFT		20 | 
|  | #define BRIDGE_DIRMAP_W_ID		(0xf << BRIDGE_DIRMAP_W_ID_SHFT) | 
|  | #define BRIDGE_DIRMAP_RMF_64		(0x1 << 18) | 
|  | #define BRIDGE_DIRMAP_ADD512		(0x1 << 17) | 
|  | #define BRIDGE_DIRMAP_OFF		(0x1ffff << 0) | 
|  | #define BRIDGE_DIRMAP_OFF_ADDRSHFT	(31)	/* lsbit of DIRMAP_OFF is xtalk address bit 31 */ | 
|  |  | 
|  | /* Bridge Arbitration register bits definition */ | 
|  | #define BRIDGE_ARB_REQ_WAIT_TICK(x)	((x) << 16) | 
|  | #define BRIDGE_ARB_REQ_WAIT_TICK_MASK	BRIDGE_ARB_REQ_WAIT_TICK(0x3) | 
|  | #define BRIDGE_ARB_REQ_WAIT_EN(x)	((x) << 8) | 
|  | #define BRIDGE_ARB_REQ_WAIT_EN_MASK	BRIDGE_ARB_REQ_WAIT_EN(0xff) | 
|  | #define BRIDGE_ARB_FREEZE_GNT		(1 << 6) | 
|  | #define BRIDGE_ARB_HPRI_RING_B2		(1 << 5) | 
|  | #define BRIDGE_ARB_HPRI_RING_B1		(1 << 4) | 
|  | #define BRIDGE_ARB_HPRI_RING_B0		(1 << 3) | 
|  | #define BRIDGE_ARB_LPRI_RING_B2		(1 << 2) | 
|  | #define BRIDGE_ARB_LPRI_RING_B1		(1 << 1) | 
|  | #define BRIDGE_ARB_LPRI_RING_B0		(1 << 0) | 
|  |  | 
|  | /* Bridge Bus time-out register bits definition */ | 
|  | #define BRIDGE_BUS_PCI_RETRY_HLD(x)	((x) << 16) | 
|  | #define BRIDGE_BUS_PCI_RETRY_HLD_MASK	BRIDGE_BUS_PCI_RETRY_HLD(0x1f) | 
|  | #define BRIDGE_BUS_GIO_TIMEOUT		(1 << 12) | 
|  | #define BRIDGE_BUS_PCI_RETRY_CNT(x)	((x) << 0) | 
|  | #define BRIDGE_BUS_PCI_RETRY_MASK	BRIDGE_BUS_PCI_RETRY_CNT(0x3ff) | 
|  |  | 
|  | /* Bridge interrupt status register bits definition */ | 
|  | #define BRIDGE_ISR_MULTI_ERR		(0x1u << 31) | 
|  | #define BRIDGE_ISR_PMU_ESIZE_FAULT	(0x1 << 30) | 
|  | #define BRIDGE_ISR_UNEXP_RESP		(0x1 << 29) | 
|  | #define BRIDGE_ISR_BAD_XRESP_PKT	(0x1 << 28) | 
|  | #define BRIDGE_ISR_BAD_XREQ_PKT		(0x1 << 27) | 
|  | #define BRIDGE_ISR_RESP_XTLK_ERR	(0x1 << 26) | 
|  | #define BRIDGE_ISR_REQ_XTLK_ERR		(0x1 << 25) | 
|  | #define BRIDGE_ISR_INVLD_ADDR		(0x1 << 24) | 
|  | #define BRIDGE_ISR_UNSUPPORTED_XOP	(0x1 << 23) | 
|  | #define BRIDGE_ISR_XREQ_FIFO_OFLOW	(0x1 << 22) | 
|  | #define BRIDGE_ISR_LLP_REC_SNERR	(0x1 << 21) | 
|  | #define BRIDGE_ISR_LLP_REC_CBERR	(0x1 << 20) | 
|  | #define BRIDGE_ISR_LLP_RCTY		(0x1 << 19) | 
|  | #define BRIDGE_ISR_LLP_TX_RETRY		(0x1 << 18) | 
|  | #define BRIDGE_ISR_LLP_TCTY		(0x1 << 17) | 
|  | #define BRIDGE_ISR_SSRAM_PERR		(0x1 << 16) | 
|  | #define BRIDGE_ISR_PCI_ABORT		(0x1 << 15) | 
|  | #define BRIDGE_ISR_PCI_PARITY		(0x1 << 14) | 
|  | #define BRIDGE_ISR_PCI_SERR		(0x1 << 13) | 
|  | #define BRIDGE_ISR_PCI_PERR		(0x1 << 12) | 
|  | #define BRIDGE_ISR_PCI_MST_TIMEOUT	(0x1 << 11) | 
|  | #define BRIDGE_ISR_GIO_MST_TIMEOUT	BRIDGE_ISR_PCI_MST_TIMEOUT | 
|  | #define BRIDGE_ISR_PCI_RETRY_CNT	(0x1 << 10) | 
|  | #define BRIDGE_ISR_XREAD_REQ_TIMEOUT	(0x1 << 9) | 
|  | #define BRIDGE_ISR_GIO_B_ENBL_ERR	(0x1 << 8) | 
|  | #define BRIDGE_ISR_INT_MSK		(0xff << 0) | 
|  | #define BRIDGE_ISR_INT(x)		(0x1 << (x)) | 
|  |  | 
|  | #define BRIDGE_ISR_LINK_ERROR		\ | 
|  | (BRIDGE_ISR_LLP_REC_SNERR|BRIDGE_ISR_LLP_REC_CBERR|	\ | 
|  | BRIDGE_ISR_LLP_RCTY|BRIDGE_ISR_LLP_TX_RETRY|		\ | 
|  | BRIDGE_ISR_LLP_TCTY) | 
|  |  | 
|  | #define BRIDGE_ISR_PCIBUS_PIOERR	\ | 
|  | (BRIDGE_ISR_PCI_MST_TIMEOUT|BRIDGE_ISR_PCI_ABORT) | 
|  |  | 
|  | #define BRIDGE_ISR_PCIBUS_ERROR		\ | 
|  | (BRIDGE_ISR_PCIBUS_PIOERR|BRIDGE_ISR_PCI_PERR|		\ | 
|  | BRIDGE_ISR_PCI_SERR|BRIDGE_ISR_PCI_RETRY_CNT|		\ | 
|  | BRIDGE_ISR_PCI_PARITY) | 
|  |  | 
|  | #define BRIDGE_ISR_XTALK_ERROR		\ | 
|  | (BRIDGE_ISR_XREAD_REQ_TIMEOUT|BRIDGE_ISR_XREQ_FIFO_OFLOW|\ | 
|  | BRIDGE_ISR_UNSUPPORTED_XOP|BRIDGE_ISR_INVLD_ADDR|	\ | 
|  | BRIDGE_ISR_REQ_XTLK_ERR|BRIDGE_ISR_RESP_XTLK_ERR|	\ | 
|  | BRIDGE_ISR_BAD_XREQ_PKT|BRIDGE_ISR_BAD_XRESP_PKT|	\ | 
|  | BRIDGE_ISR_UNEXP_RESP) | 
|  |  | 
|  | #define BRIDGE_ISR_ERRORS		\ | 
|  | (BRIDGE_ISR_LINK_ERROR|BRIDGE_ISR_PCIBUS_ERROR|		\ | 
|  | BRIDGE_ISR_XTALK_ERROR|BRIDGE_ISR_SSRAM_PERR|		\ | 
|  | BRIDGE_ISR_PMU_ESIZE_FAULT) | 
|  |  | 
|  | /* | 
|  | * List of Errors which are fatal and kill the system | 
|  | */ | 
|  | #define BRIDGE_ISR_ERROR_FATAL		\ | 
|  | ((BRIDGE_ISR_XTALK_ERROR & ~BRIDGE_ISR_XREAD_REQ_TIMEOUT)|\ | 
|  | BRIDGE_ISR_PCI_SERR|BRIDGE_ISR_PCI_PARITY ) | 
|  |  | 
|  | #define BRIDGE_ISR_ERROR_DUMP		\ | 
|  | (BRIDGE_ISR_PCIBUS_ERROR|BRIDGE_ISR_PMU_ESIZE_FAULT|	\ | 
|  | BRIDGE_ISR_XTALK_ERROR|BRIDGE_ISR_SSRAM_PERR) | 
|  |  | 
|  | /* Bridge interrupt enable register bits definition */ | 
|  | #define BRIDGE_IMR_UNEXP_RESP		BRIDGE_ISR_UNEXP_RESP | 
|  | #define BRIDGE_IMR_PMU_ESIZE_FAULT	BRIDGE_ISR_PMU_ESIZE_FAULT | 
|  | #define BRIDGE_IMR_BAD_XRESP_PKT	BRIDGE_ISR_BAD_XRESP_PKT | 
|  | #define BRIDGE_IMR_BAD_XREQ_PKT		BRIDGE_ISR_BAD_XREQ_PKT | 
|  | #define BRIDGE_IMR_RESP_XTLK_ERR	BRIDGE_ISR_RESP_XTLK_ERR | 
|  | #define BRIDGE_IMR_REQ_XTLK_ERR		BRIDGE_ISR_REQ_XTLK_ERR | 
|  | #define BRIDGE_IMR_INVLD_ADDR		BRIDGE_ISR_INVLD_ADDR | 
|  | #define BRIDGE_IMR_UNSUPPORTED_XOP	BRIDGE_ISR_UNSUPPORTED_XOP | 
|  | #define BRIDGE_IMR_XREQ_FIFO_OFLOW	BRIDGE_ISR_XREQ_FIFO_OFLOW | 
|  | #define BRIDGE_IMR_LLP_REC_SNERR	BRIDGE_ISR_LLP_REC_SNERR | 
|  | #define BRIDGE_IMR_LLP_REC_CBERR	BRIDGE_ISR_LLP_REC_CBERR | 
|  | #define BRIDGE_IMR_LLP_RCTY		BRIDGE_ISR_LLP_RCTY | 
|  | #define BRIDGE_IMR_LLP_TX_RETRY		BRIDGE_ISR_LLP_TX_RETRY | 
|  | #define BRIDGE_IMR_LLP_TCTY		BRIDGE_ISR_LLP_TCTY | 
|  | #define BRIDGE_IMR_SSRAM_PERR		BRIDGE_ISR_SSRAM_PERR | 
|  | #define BRIDGE_IMR_PCI_ABORT		BRIDGE_ISR_PCI_ABORT | 
|  | #define BRIDGE_IMR_PCI_PARITY		BRIDGE_ISR_PCI_PARITY | 
|  | #define BRIDGE_IMR_PCI_SERR		BRIDGE_ISR_PCI_SERR | 
|  | #define BRIDGE_IMR_PCI_PERR		BRIDGE_ISR_PCI_PERR | 
|  | #define BRIDGE_IMR_PCI_MST_TIMEOUT	BRIDGE_ISR_PCI_MST_TIMEOUT | 
|  | #define BRIDGE_IMR_GIO_MST_TIMEOUT	BRIDGE_ISR_GIO_MST_TIMEOUT | 
|  | #define BRIDGE_IMR_PCI_RETRY_CNT	BRIDGE_ISR_PCI_RETRY_CNT | 
|  | #define BRIDGE_IMR_XREAD_REQ_TIMEOUT	BRIDGE_ISR_XREAD_REQ_TIMEOUT | 
|  | #define BRIDGE_IMR_GIO_B_ENBL_ERR	BRIDGE_ISR_GIO_B_ENBL_ERR | 
|  | #define BRIDGE_IMR_INT_MSK		BRIDGE_ISR_INT_MSK | 
|  | #define BRIDGE_IMR_INT(x)		BRIDGE_ISR_INT(x) | 
|  |  | 
|  | /* Bridge interrupt reset register bits definition */ | 
|  | #define BRIDGE_IRR_MULTI_CLR		(0x1 << 6) | 
|  | #define BRIDGE_IRR_CRP_GRP_CLR		(0x1 << 5) | 
|  | #define BRIDGE_IRR_RESP_BUF_GRP_CLR	(0x1 << 4) | 
|  | #define BRIDGE_IRR_REQ_DSP_GRP_CLR	(0x1 << 3) | 
|  | #define BRIDGE_IRR_LLP_GRP_CLR		(0x1 << 2) | 
|  | #define BRIDGE_IRR_SSRAM_GRP_CLR	(0x1 << 1) | 
|  | #define BRIDGE_IRR_PCI_GRP_CLR		(0x1 << 0) | 
|  | #define BRIDGE_IRR_GIO_GRP_CLR		(0x1 << 0) | 
|  | #define BRIDGE_IRR_ALL_CLR		0x7f | 
|  |  | 
|  | #define BRIDGE_IRR_CRP_GRP		(BRIDGE_ISR_UNEXP_RESP | \ | 
|  | BRIDGE_ISR_XREQ_FIFO_OFLOW) | 
|  | #define BRIDGE_IRR_RESP_BUF_GRP		(BRIDGE_ISR_BAD_XRESP_PKT | \ | 
|  | BRIDGE_ISR_RESP_XTLK_ERR | \ | 
|  | BRIDGE_ISR_XREAD_REQ_TIMEOUT) | 
|  | #define BRIDGE_IRR_REQ_DSP_GRP		(BRIDGE_ISR_UNSUPPORTED_XOP | \ | 
|  | BRIDGE_ISR_BAD_XREQ_PKT | \ | 
|  | BRIDGE_ISR_REQ_XTLK_ERR | \ | 
|  | BRIDGE_ISR_INVLD_ADDR) | 
|  | #define BRIDGE_IRR_LLP_GRP		(BRIDGE_ISR_LLP_REC_SNERR | \ | 
|  | BRIDGE_ISR_LLP_REC_CBERR | \ | 
|  | BRIDGE_ISR_LLP_RCTY | \ | 
|  | BRIDGE_ISR_LLP_TX_RETRY | \ | 
|  | BRIDGE_ISR_LLP_TCTY) | 
|  | #define BRIDGE_IRR_SSRAM_GRP		(BRIDGE_ISR_SSRAM_PERR | \ | 
|  | BRIDGE_ISR_PMU_ESIZE_FAULT) | 
|  | #define BRIDGE_IRR_PCI_GRP		(BRIDGE_ISR_PCI_ABORT | \ | 
|  | BRIDGE_ISR_PCI_PARITY | \ | 
|  | BRIDGE_ISR_PCI_SERR | \ | 
|  | BRIDGE_ISR_PCI_PERR | \ | 
|  | BRIDGE_ISR_PCI_MST_TIMEOUT | \ | 
|  | BRIDGE_ISR_PCI_RETRY_CNT) | 
|  |  | 
|  | #define BRIDGE_IRR_GIO_GRP		(BRIDGE_ISR_GIO_B_ENBL_ERR | \ | 
|  | BRIDGE_ISR_GIO_MST_TIMEOUT) | 
|  |  | 
|  | /* Bridge INT_DEV register bits definition */ | 
|  | #define BRIDGE_INT_DEV_SHFT(n)		((n)*3) | 
|  | #define BRIDGE_INT_DEV_MASK(n)		(0x7 << BRIDGE_INT_DEV_SHFT(n)) | 
|  | #define BRIDGE_INT_DEV_SET(_dev, _line) (_dev << BRIDGE_INT_DEV_SHFT(_line)) | 
|  |  | 
|  | /* Bridge interrupt(x) register bits definition */ | 
|  | #define BRIDGE_INT_ADDR_HOST		0x0003FF00 | 
|  | #define BRIDGE_INT_ADDR_FLD		0x000000FF | 
|  |  | 
|  | #define BRIDGE_TMO_PCI_RETRY_HLD_MASK	0x1f0000 | 
|  | #define BRIDGE_TMO_GIO_TIMEOUT_MASK	0x001000 | 
|  | #define BRIDGE_TMO_PCI_RETRY_CNT_MASK	0x0003ff | 
|  |  | 
|  | #define BRIDGE_TMO_PCI_RETRY_CNT_MAX	0x3ff | 
|  |  | 
|  | /* | 
|  | * The NASID should be shifted by this amount and stored into the | 
|  | * interrupt(x) register. | 
|  | */ | 
|  | #define BRIDGE_INT_ADDR_NASID_SHFT	8 | 
|  |  | 
|  | /* | 
|  | * The BRIDGE_INT_ADDR_DEST_IO bit should be set to send an interrupt to | 
|  | * memory. | 
|  | */ | 
|  | #define BRIDGE_INT_ADDR_DEST_IO		(1 << 17) | 
|  | #define BRIDGE_INT_ADDR_DEST_MEM	0 | 
|  | #define BRIDGE_INT_ADDR_MASK		(1 << 17) | 
|  |  | 
|  | /* Bridge device(x) register bits definition */ | 
|  | #define BRIDGE_DEV_ERR_LOCK_EN		0x10000000 | 
|  | #define BRIDGE_DEV_PAGE_CHK_DIS		0x08000000 | 
|  | #define BRIDGE_DEV_FORCE_PCI_PAR	0x04000000 | 
|  | #define BRIDGE_DEV_VIRTUAL_EN		0x02000000 | 
|  | #define BRIDGE_DEV_PMU_WRGA_EN		0x01000000 | 
|  | #define BRIDGE_DEV_DIR_WRGA_EN		0x00800000 | 
|  | #define BRIDGE_DEV_DEV_SIZE		0x00400000 | 
|  | #define BRIDGE_DEV_RT			0x00200000 | 
|  | #define BRIDGE_DEV_SWAP_PMU		0x00100000 | 
|  | #define BRIDGE_DEV_SWAP_DIR		0x00080000 | 
|  | #define BRIDGE_DEV_PREF			0x00040000 | 
|  | #define BRIDGE_DEV_PRECISE		0x00020000 | 
|  | #define BRIDGE_DEV_COH			0x00010000 | 
|  | #define BRIDGE_DEV_BARRIER		0x00008000 | 
|  | #define BRIDGE_DEV_GBR			0x00004000 | 
|  | #define BRIDGE_DEV_DEV_SWAP		0x00002000 | 
|  | #define BRIDGE_DEV_DEV_IO_MEM		0x00001000 | 
|  | #define BRIDGE_DEV_OFF_MASK		0x00000fff | 
|  | #define BRIDGE_DEV_OFF_ADDR_SHFT	20 | 
|  |  | 
|  | #define BRIDGE_DEV_PMU_BITS		(BRIDGE_DEV_PMU_WRGA_EN		| \ | 
|  | BRIDGE_DEV_SWAP_PMU) | 
|  | #define BRIDGE_DEV_D32_BITS		(BRIDGE_DEV_DIR_WRGA_EN		| \ | 
|  | BRIDGE_DEV_SWAP_DIR		| \ | 
|  | BRIDGE_DEV_PREF		| \ | 
|  | BRIDGE_DEV_PRECISE		| \ | 
|  | BRIDGE_DEV_COH			| \ | 
|  | BRIDGE_DEV_BARRIER) | 
|  | #define BRIDGE_DEV_D64_BITS		(BRIDGE_DEV_DIR_WRGA_EN		| \ | 
|  | BRIDGE_DEV_SWAP_DIR		| \ | 
|  | BRIDGE_DEV_COH			| \ | 
|  | BRIDGE_DEV_BARRIER) | 
|  |  | 
|  | /* Bridge Error Upper register bit field definition */ | 
|  | #define BRIDGE_ERRUPPR_DEVMASTER	(0x1 << 20)	/* Device was master */ | 
|  | #define BRIDGE_ERRUPPR_PCIVDEV		(0x1 << 19)	/* Virtual Req value */ | 
|  | #define BRIDGE_ERRUPPR_DEVNUM_SHFT	(16) | 
|  | #define BRIDGE_ERRUPPR_DEVNUM_MASK	(0x7 << BRIDGE_ERRUPPR_DEVNUM_SHFT) | 
|  | #define BRIDGE_ERRUPPR_DEVICE(err)	(((err) >> BRIDGE_ERRUPPR_DEVNUM_SHFT) & 0x7) | 
|  | #define BRIDGE_ERRUPPR_ADDRMASK		(0xFFFF) | 
|  |  | 
|  | /* Bridge interrupt mode register bits definition */ | 
|  | #define BRIDGE_INTMODE_CLR_PKT_EN(x)	(0x1 << (x)) | 
|  |  | 
|  | /* this should be written to the xbow's link_control(x) register */ | 
|  | #define BRIDGE_CREDIT	3 | 
|  |  | 
|  | /* RRB assignment register */ | 
|  | #define	BRIDGE_RRB_EN	0x8	/* after shifting down */ | 
|  | #define	BRIDGE_RRB_DEV	0x7	/* after shifting down */ | 
|  | #define	BRIDGE_RRB_VDEV	0x4	/* after shifting down */ | 
|  | #define	BRIDGE_RRB_PDEV	0x3	/* after shifting down */ | 
|  |  | 
|  | /* RRB status register */ | 
|  | #define	BRIDGE_RRB_VALID(r)	(0x00010000<<(r)) | 
|  | #define	BRIDGE_RRB_INUSE(r)	(0x00000001<<(r)) | 
|  |  | 
|  | /* RRB clear register */ | 
|  | #define	BRIDGE_RRB_CLEAR(r)	(0x00000001<<(r)) | 
|  |  | 
|  | /* xbox system controller declarations */ | 
|  | #define XBOX_BRIDGE_WID         8 | 
|  | #define FLASH_PROM1_BASE        0xE00000 /* To read the xbox sysctlr status */ | 
|  | #define XBOX_RPS_EXISTS		1 << 6	 /* RPS bit in status register */ | 
|  | #define XBOX_RPS_FAIL		1 << 4	 /* RPS status bit in register */ | 
|  |  | 
|  | /* ======================================================================== | 
|  | */ | 
|  | /* | 
|  | * Macros for Xtalk to Bridge bus (PCI/GIO) PIO | 
|  | * refer to section 4.2.1 of Bridge Spec for xtalk to PCI/GIO PIO mappings | 
|  | */ | 
|  | /* XTALK addresses that map into Bridge Bus addr space */ | 
|  | #define BRIDGE_PIO32_XTALK_ALIAS_BASE	0x000040000000L | 
|  | #define BRIDGE_PIO32_XTALK_ALIAS_LIMIT	0x00007FFFFFFFL | 
|  | #define BRIDGE_PIO64_XTALK_ALIAS_BASE	0x000080000000L | 
|  | #define BRIDGE_PIO64_XTALK_ALIAS_LIMIT	0x0000BFFFFFFFL | 
|  | #define BRIDGE_PCIIO_XTALK_ALIAS_BASE	0x000100000000L | 
|  | #define BRIDGE_PCIIO_XTALK_ALIAS_LIMIT	0x0001FFFFFFFFL | 
|  |  | 
|  | /* Ranges of PCI bus space that can be accessed via PIO from xtalk */ | 
|  | #define BRIDGE_MIN_PIO_ADDR_MEM		0x00000000	/* 1G PCI memory space */ | 
|  | #define BRIDGE_MAX_PIO_ADDR_MEM		0x3fffffff | 
|  | #define BRIDGE_MIN_PIO_ADDR_IO		0x00000000	/* 4G PCI IO space */ | 
|  | #define BRIDGE_MAX_PIO_ADDR_IO		0xffffffff | 
|  |  | 
|  | /* XTALK addresses that map into PCI addresses */ | 
|  | #define BRIDGE_PCI_MEM32_BASE		BRIDGE_PIO32_XTALK_ALIAS_BASE | 
|  | #define BRIDGE_PCI_MEM32_LIMIT		BRIDGE_PIO32_XTALK_ALIAS_LIMIT | 
|  | #define BRIDGE_PCI_MEM64_BASE		BRIDGE_PIO64_XTALK_ALIAS_BASE | 
|  | #define BRIDGE_PCI_MEM64_LIMIT		BRIDGE_PIO64_XTALK_ALIAS_LIMIT | 
|  | #define BRIDGE_PCI_IO_BASE		BRIDGE_PCIIO_XTALK_ALIAS_BASE | 
|  | #define BRIDGE_PCI_IO_LIMIT		BRIDGE_PCIIO_XTALK_ALIAS_LIMIT | 
|  |  | 
|  | /* | 
|  | * Macros for Bridge bus (PCI/GIO) to Xtalk DMA | 
|  | */ | 
|  | /* Bridge Bus DMA addresses */ | 
|  | #define BRIDGE_LOCAL_BASE		0 | 
|  | #define BRIDGE_DMA_MAPPED_BASE		0x40000000 | 
|  | #define BRIDGE_DMA_MAPPED_SIZE		0x40000000	/* 1G Bytes */ | 
|  | #define BRIDGE_DMA_DIRECT_BASE		0x80000000 | 
|  | #define BRIDGE_DMA_DIRECT_SIZE		0x80000000	/* 2G Bytes */ | 
|  |  | 
|  | #define PCI32_LOCAL_BASE		BRIDGE_LOCAL_BASE | 
|  |  | 
|  | /* PCI addresses of regions decoded by Bridge for DMA */ | 
|  | #define PCI32_MAPPED_BASE		BRIDGE_DMA_MAPPED_BASE | 
|  | #define PCI32_DIRECT_BASE		BRIDGE_DMA_DIRECT_BASE | 
|  |  | 
|  | #define IS_PCI32_LOCAL(x)	((ulong_t)(x) < PCI32_MAPPED_BASE) | 
|  | #define IS_PCI32_MAPPED(x)	((ulong_t)(x) < PCI32_DIRECT_BASE && \ | 
|  | (ulong_t)(x) >= PCI32_MAPPED_BASE) | 
|  | #define IS_PCI32_DIRECT(x)	((ulong_t)(x) >= PCI32_MAPPED_BASE) | 
|  | #define IS_PCI64(x)		((ulong_t)(x) >= PCI64_BASE) | 
|  |  | 
|  | /* | 
|  | * The GIO address space. | 
|  | */ | 
|  | /* Xtalk to GIO PIO */ | 
|  | #define BRIDGE_GIO_MEM32_BASE		BRIDGE_PIO32_XTALK_ALIAS_BASE | 
|  | #define BRIDGE_GIO_MEM32_LIMIT		BRIDGE_PIO32_XTALK_ALIAS_LIMIT | 
|  |  | 
|  | #define GIO_LOCAL_BASE			BRIDGE_LOCAL_BASE | 
|  |  | 
|  | /* GIO addresses of regions decoded by Bridge for DMA */ | 
|  | #define GIO_MAPPED_BASE			BRIDGE_DMA_MAPPED_BASE | 
|  | #define GIO_DIRECT_BASE			BRIDGE_DMA_DIRECT_BASE | 
|  |  | 
|  | #define IS_GIO_LOCAL(x)		((ulong_t)(x) < GIO_MAPPED_BASE) | 
|  | #define IS_GIO_MAPPED(x)	((ulong_t)(x) < GIO_DIRECT_BASE && \ | 
|  | (ulong_t)(x) >= GIO_MAPPED_BASE) | 
|  | #define IS_GIO_DIRECT(x)	((ulong_t)(x) >= GIO_MAPPED_BASE) | 
|  |  | 
|  | /* PCI to xtalk mapping */ | 
|  |  | 
|  | /* given a DIR_OFF value and a pci/gio 32 bits direct address, determine | 
|  | * which xtalk address is accessed | 
|  | */ | 
|  | #define BRIDGE_DIRECT_32_SEG_SIZE	BRIDGE_DMA_DIRECT_SIZE | 
|  | #define BRIDGE_DIRECT_32_TO_XTALK(dir_off,adr)		\ | 
|  | ((dir_off) * BRIDGE_DIRECT_32_SEG_SIZE +	\ | 
|  | ((adr) & (BRIDGE_DIRECT_32_SEG_SIZE - 1)) + PHYS_RAMBASE) | 
|  |  | 
|  | /* 64-bit address attribute masks */ | 
|  | #define PCI64_ATTR_TARG_MASK	0xf000000000000000 | 
|  | #define PCI64_ATTR_TARG_SHFT	60 | 
|  | #define PCI64_ATTR_PREF		0x0800000000000000 | 
|  | #define PCI64_ATTR_PREC		0x0400000000000000 | 
|  | #define PCI64_ATTR_VIRTUAL	0x0200000000000000 | 
|  | #define PCI64_ATTR_BAR		0x0100000000000000 | 
|  | #define PCI64_ATTR_RMF_MASK	0x00ff000000000000 | 
|  | #define PCI64_ATTR_RMF_SHFT	48 | 
|  |  | 
|  | #ifndef __ASSEMBLY__ | 
|  | /* Address translation entry for mapped pci32 accesses */ | 
|  | typedef union ate_u { | 
|  | u64	ent; | 
|  | struct ate_s { | 
|  | u64	rmf:16; | 
|  | u64	addr:36; | 
|  | u64	targ:4; | 
|  | u64	reserved:3; | 
|  | u64	barrier:1; | 
|  | u64	prefetch:1; | 
|  | u64	precise:1; | 
|  | u64	coherent:1; | 
|  | u64	valid:1; | 
|  | } field; | 
|  | } ate_t; | 
|  | #endif /* !__ASSEMBLY__ */ | 
|  |  | 
|  | #define ATE_V		0x01 | 
|  | #define ATE_CO		0x02 | 
|  | #define ATE_PREC	0x04 | 
|  | #define ATE_PREF	0x08 | 
|  | #define ATE_BAR		0x10 | 
|  |  | 
|  | #define ATE_PFNSHIFT		12 | 
|  | #define ATE_TIDSHIFT		8 | 
|  | #define ATE_RMFSHIFT		48 | 
|  |  | 
|  | #define mkate(xaddr, xid, attr) ((xaddr) & 0x0000fffffffff000ULL) | \ | 
|  | ((xid)<<ATE_TIDSHIFT) | \ | 
|  | (attr) | 
|  |  | 
|  | #define BRIDGE_INTERNAL_ATES	128 | 
|  |  | 
|  | struct bridge_controller { | 
|  | struct pci_controller	pc; | 
|  | struct resource		mem; | 
|  | struct resource		io; | 
|  | bridge_t		*base; | 
|  | nasid_t			nasid; | 
|  | unsigned int		widget_id; | 
|  | unsigned int 		irq_cpu; | 
|  | dma64_addr_t		baddr; | 
|  | unsigned int		pci_int[8]; | 
|  | }; | 
|  |  | 
|  | #define BRIDGE_CONTROLLER(bus) \ | 
|  | ((struct bridge_controller *)((bus)->sysdata)) | 
|  |  | 
|  | extern void register_bridge_irq(unsigned int irq); | 
|  | extern int request_bridge_irq(struct bridge_controller *bc); | 
|  |  | 
|  | extern struct pci_ops bridge_pci_ops; | 
|  |  | 
|  | #endif /* _ASM_PCI_BRIDGE_H */ |