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Diffstat (limited to 'include/asm-mips/pci/bridge.h')
| -rw-r--r-- | include/asm-mips/pci/bridge.h | 854 |
1 files changed, 0 insertions, 854 deletions
diff --git a/include/asm-mips/pci/bridge.h b/include/asm-mips/pci/bridge.h deleted file mode 100644 index 5f4b9d4e411..00000000000 --- a/include/asm-mips/pci/bridge.h +++ /dev/null @@ -1,854 +0,0 @@ -/* - * 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 */ |