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Diffstat (limited to 'include/asm-mips/sn/sn0/hubio.h')
| -rw-r--r-- | include/asm-mips/sn/sn0/hubio.h | 972 |
1 files changed, 0 insertions, 972 deletions
diff --git a/include/asm-mips/sn/sn0/hubio.h b/include/asm-mips/sn/sn0/hubio.h deleted file mode 100644 index 0187895..0000000 --- a/include/asm-mips/sn/sn0/hubio.h +++ /dev/null @@ -1,972 +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. - * - * Derived from IRIX <sys/SN/SN0/hubio.h>, Revision 1.80. - * - * Copyright (C) 1992 - 1997, 1999 Silicon Graphics, Inc. - * Copyright (C) 1999 by Ralf Baechle - */ -#ifndef _ASM_SGI_SN_SN0_HUBIO_H -#define _ASM_SGI_SN_SN0_HUBIO_H - -/* - * Hub I/O interface registers - * - * All registers in this file are subject to change until Hub chip tapeout. - * In general, the longer software name should be used when available. - */ - -/* - * Slightly friendlier names for some common registers. - * The hardware definitions follow. - */ -#define IIO_WIDGET IIO_WID /* Widget identification */ -#define IIO_WIDGET_STAT IIO_WSTAT /* Widget status register */ -#define IIO_WIDGET_CTRL IIO_WCR /* Widget control register */ -#define IIO_WIDGET_TOUT IIO_WRTO /* Widget request timeout */ -#define IIO_WIDGET_FLUSH IIO_WTFR /* Widget target flush */ -#define IIO_PROTECT IIO_ILAPR /* IO interface protection */ -#define IIO_PROTECT_OVRRD IIO_ILAPO /* IO protect override */ -#define IIO_OUTWIDGET_ACCESS IIO_IOWA /* Outbound widget access */ -#define IIO_INWIDGET_ACCESS IIO_IIWA /* Inbound widget access */ -#define IIO_INDEV_ERR_MASK IIO_IIDEM /* Inbound device error mask */ -#define IIO_LLP_CSR IIO_ILCSR /* LLP control and status */ -#define IIO_LLP_LOG IIO_ILLR /* LLP log */ -#define IIO_XTALKCC_TOUT IIO_IXCC /* Xtalk credit count timeout*/ -#define IIO_XTALKTT_TOUT IIO_IXTT /* Xtalk tail timeout */ -#define IIO_IO_ERR_CLR IIO_IECLR /* IO error clear */ -#define IIO_BTE_CRB_CNT IIO_IBCN /* IO BTE CRB count */ - -#define IIO_LLP_CSR_IS_UP 0x00002000 -#define IIO_LLP_CSR_LLP_STAT_MASK 0x00003000 -#define IIO_LLP_CSR_LLP_STAT_SHFT 12 - -/* key to IIO_PROTECT_OVRRD */ -#define IIO_PROTECT_OVRRD_KEY 0x53474972756c6573ull /* "SGIrules" */ - -/* BTE register names */ -#define IIO_BTE_STAT_0 IIO_IBLS_0 /* Also BTE length/status 0 */ -#define IIO_BTE_SRC_0 IIO_IBSA_0 /* Also BTE source address 0 */ -#define IIO_BTE_DEST_0 IIO_IBDA_0 /* Also BTE dest. address 0 */ -#define IIO_BTE_CTRL_0 IIO_IBCT_0 /* Also BTE control/terminate 0 */ -#define IIO_BTE_NOTIFY_0 IIO_IBNA_0 /* Also BTE notification 0 */ -#define IIO_BTE_INT_0 IIO_IBIA_0 /* Also BTE interrupt 0 */ -#define IIO_BTE_OFF_0 0 /* Base offset from BTE 0 regs. */ -#define IIO_BTE_OFF_1 IIO_IBLS_1 - IIO_IBLS_0 /* Offset from base to BTE 1 */ - -/* BTE register offsets from base */ -#define BTEOFF_STAT 0 -#define BTEOFF_SRC (IIO_BTE_SRC_0 - IIO_BTE_STAT_0) -#define BTEOFF_DEST (IIO_BTE_DEST_0 - IIO_BTE_STAT_0) -#define BTEOFF_CTRL (IIO_BTE_CTRL_0 - IIO_BTE_STAT_0) -#define BTEOFF_NOTIFY (IIO_BTE_NOTIFY_0 - IIO_BTE_STAT_0) -#define BTEOFF_INT (IIO_BTE_INT_0 - IIO_BTE_STAT_0) - - -/* - * The following definitions use the names defined in the IO interface - * document for ease of reference. When possible, software should - * generally use the longer but clearer names defined above. - */ - -#define IIO_BASE 0x400000 -#define IIO_BASE_BTE0 0x410000 -#define IIO_BASE_BTE1 0x420000 -#define IIO_BASE_PERF 0x430000 -#define IIO_PERF_CNT 0x430008 - -#define IO_PERF_SETS 32 - -#define IIO_WID 0x400000 /* Widget identification */ -#define IIO_WSTAT 0x400008 /* Widget status */ -#define IIO_WCR 0x400020 /* Widget control */ - -#define IIO_WSTAT_ECRAZY (1ULL << 32) /* Hub gone crazy */ -#define IIO_WSTAT_TXRETRY (1ULL << 9) /* Hub Tx Retry timeout */ -#define IIO_WSTAT_TXRETRY_MASK (0x7F) -#define IIO_WSTAT_TXRETRY_SHFT (16) -#define IIO_WSTAT_TXRETRY_CNT(w) (((w) >> IIO_WSTAT_TXRETRY_SHFT) & \ - IIO_WSTAT_TXRETRY_MASK) - -#define IIO_ILAPR 0x400100 /* Local Access Protection */ -#define IIO_ILAPO 0x400108 /* Protection override */ -#define IIO_IOWA 0x400110 /* outbound widget access */ -#define IIO_IIWA 0x400118 /* inbound widget access */ -#define IIO_IIDEM 0x400120 /* Inbound Device Error Mask */ -#define IIO_ILCSR 0x400128 /* LLP control and status */ -#define IIO_ILLR 0x400130 /* LLP Log */ -#define IIO_IIDSR 0x400138 /* Interrupt destination */ - -#define IIO_IIBUSERR 0x1400208 /* Reads here cause a bus error. */ - -/* IO Interrupt Destination Register */ -#define IIO_IIDSR_SENT_SHIFT 28 -#define IIO_IIDSR_SENT_MASK 0x10000000 -#define IIO_IIDSR_ENB_SHIFT 24 -#define IIO_IIDSR_ENB_MASK 0x01000000 -#define IIO_IIDSR_NODE_SHIFT 8 -#define IIO_IIDSR_NODE_MASK 0x0000ff00 -#define IIO_IIDSR_LVL_SHIFT 0 -#define IIO_IIDSR_LVL_MASK 0x0000003f - - -/* GFX Flow Control Node/Widget Register */ -#define IIO_IGFX_0 0x400140 /* gfx node/widget register 0 */ -#define IIO_IGFX_1 0x400148 /* gfx node/widget register 1 */ -#define IIO_IGFX_W_NUM_BITS 4 /* size of widget num field */ -#define IIO_IGFX_W_NUM_MASK ((1<<IIO_IGFX_W_NUM_BITS)-1) -#define IIO_IGFX_W_NUM_SHIFT 0 -#define IIO_IGFX_N_NUM_BITS 9 /* size of node num field */ -#define IIO_IGFX_N_NUM_MASK ((1<<IIO_IGFX_N_NUM_BITS)-1) -#define IIO_IGFX_N_NUM_SHIFT 4 -#define IIO_IGFX_P_NUM_BITS 1 /* size of processor num field */ -#define IIO_IGFX_P_NUM_MASK ((1<<IIO_IGFX_P_NUM_BITS)-1) -#define IIO_IGFX_P_NUM_SHIFT 16 -#define IIO_IGFX_VLD_BITS 1 /* size of valid field */ -#define IIO_IGFX_VLD_MASK ((1<<IIO_IGFX_VLD_BITS)-1) -#define IIO_IGFX_VLD_SHIFT 20 -#define IIO_IGFX_INIT(widget, node, cpu, valid) (\ - (((widget) & IIO_IGFX_W_NUM_MASK) << IIO_IGFX_W_NUM_SHIFT) | \ - (((node) & IIO_IGFX_N_NUM_MASK) << IIO_IGFX_N_NUM_SHIFT) | \ - (((cpu) & IIO_IGFX_P_NUM_MASK) << IIO_IGFX_P_NUM_SHIFT) | \ - (((valid) & IIO_IGFX_VLD_MASK) << IIO_IGFX_VLD_SHIFT) ) - -/* Scratch registers (not all bits available) */ -#define IIO_SCRATCH_REG0 0x400150 -#define IIO_SCRATCH_REG1 0x400158 -#define IIO_SCRATCH_MASK 0x0000000f00f11fff - -#define IIO_SCRATCH_BIT0_0 0x0000000800000000 -#define IIO_SCRATCH_BIT0_1 0x0000000400000000 -#define IIO_SCRATCH_BIT0_2 0x0000000200000000 -#define IIO_SCRATCH_BIT0_3 0x0000000100000000 -#define IIO_SCRATCH_BIT0_4 0x0000000000800000 -#define IIO_SCRATCH_BIT0_5 0x0000000000400000 -#define IIO_SCRATCH_BIT0_6 0x0000000000200000 -#define IIO_SCRATCH_BIT0_7 0x0000000000100000 -#define IIO_SCRATCH_BIT0_8 0x0000000000010000 -#define IIO_SCRATCH_BIT0_9 0x0000000000001000 -#define IIO_SCRATCH_BIT0_R 0x0000000000000fff - -/* IO Translation Table Entries */ -#define IIO_NUM_ITTES 7 /* ITTEs numbered 0..6 */ - /* Hw manuals number them 1..7! */ - -/* - * As a permanent workaround for a bug in the PI side of the hub, we've - * redefined big window 7 as small window 0. - */ -#define HUB_NUM_BIG_WINDOW IIO_NUM_ITTES - 1 - -/* - * Use the top big window as a surrogate for the first small window - */ -#define SWIN0_BIGWIN HUB_NUM_BIG_WINDOW - -#define ILCSR_WARM_RESET 0x100 -/* - * The IO LLP control status register and widget control register - */ -#ifndef __ASSEMBLY__ - -typedef union hubii_wid_u { - u64 wid_reg_value; - struct { - u64 wid_rsvd: 32, /* unused */ - wid_rev_num: 4, /* revision number */ - wid_part_num: 16, /* the widget type: hub=c101 */ - wid_mfg_num: 11, /* Manufacturer id (IBM) */ - wid_rsvd1: 1; /* Reserved */ - } wid_fields_s; -} hubii_wid_t; - - -typedef union hubii_wcr_u { - u64 wcr_reg_value; - struct { - u64 wcr_rsvd: 41, /* unused */ - wcr_e_thresh: 5, /* elasticity threshold */ - wcr_dir_con: 1, /* widget direct connect */ - wcr_f_bad_pkt: 1, /* Force bad llp pkt enable */ - wcr_xbar_crd: 3, /* LLP crossbar credit */ - wcr_rsvd1: 8, /* Reserved */ - wcr_tag_mode: 1, /* Tag mode */ - wcr_widget_id: 4; /* LLP crossbar credit */ - } wcr_fields_s; -} hubii_wcr_t; - -#define iwcr_dir_con wcr_fields_s.wcr_dir_con - -typedef union hubii_wstat_u { - u64 reg_value; - struct { - u64 rsvd1: 31, - crazy: 1, /* Crazy bit */ - rsvd2: 8, - llp_tx_cnt: 8, /* LLP Xmit retry counter */ - rsvd3: 6, - tx_max_rtry: 1, /* LLP Retry Timeout Signal */ - rsvd4: 2, - xt_tail_to: 1, /* Xtalk Tail Timeout */ - xt_crd_to: 1, /* Xtalk Credit Timeout */ - pending: 4; /* Pending Requests */ - } wstat_fields_s; -} hubii_wstat_t; - - -typedef union hubii_ilcsr_u { - u64 icsr_reg_value; - struct { - u64 icsr_rsvd: 22, /* unused */ - icsr_max_burst: 10, /* max burst */ - icsr_rsvd4: 6, /* reserved */ - icsr_max_retry: 10, /* max retry */ - icsr_rsvd3: 2, /* reserved */ - icsr_lnk_stat: 2, /* link status */ - icsr_bm8: 1, /* Bit mode 8 */ - icsr_llp_en: 1, /* LLP enable bit */ - icsr_rsvd2: 1, /* reserver */ - icsr_wrm_reset: 1, /* Warm reset bit */ - icsr_rsvd1: 2, /* Data ready offset */ - icsr_null_to: 6; /* Null timeout */ - - } icsr_fields_s; -} hubii_ilcsr_t; - - -typedef union hubii_iowa_u { - u64 iowa_reg_value; - struct { - u64 iowa_rsvd: 48, /* unused */ - iowa_wxoac: 8, /* xtalk widget access bits */ - iowa_rsvd1: 7, /* xtalk widget access bits */ - iowa_w0oac: 1; /* xtalk widget access bits */ - } iowa_fields_s; -} hubii_iowa_t; - -typedef union hubii_iiwa_u { - u64 iiwa_reg_value; - struct { - u64 iiwa_rsvd: 48, /* unused */ - iiwa_wxiac: 8, /* hub wid access bits */ - iiwa_rsvd1: 7, /* reserved */ - iiwa_w0iac: 1; /* hub wid0 access */ - } iiwa_fields_s; -} hubii_iiwa_t; - -typedef union hubii_illr_u { - u64 illr_reg_value; - struct { - u64 illr_rsvd: 32, /* unused */ - illr_cb_cnt: 16, /* checkbit error count */ - illr_sn_cnt: 16; /* sequence number count */ - } illr_fields_s; -} hubii_illr_t; - -/* The structures below are defined to extract and modify the ii -performance registers */ - -/* io_perf_sel allows the caller to specify what tests will be - performed */ -typedef union io_perf_sel { - u64 perf_sel_reg; - struct { - u64 perf_rsvd : 48, - perf_icct : 8, - perf_ippr1 : 4, - perf_ippr0 : 4; - } perf_sel_bits; -} io_perf_sel_t; - -/* io_perf_cnt is to extract the count from the hub registers. Due to - hardware problems there is only one counter, not two. */ - -typedef union io_perf_cnt { - u64 perf_cnt; - struct { - u64 perf_rsvd1 : 32, - perf_rsvd2 : 12, - perf_cnt : 20; - } perf_cnt_bits; -} io_perf_cnt_t; - -#endif /* !__ASSEMBLY__ */ - - -#define LNK_STAT_WORKING 0x2 - -#define IIO_LLP_CB_MAX 0xffff -#define IIO_LLP_SN_MAX 0xffff - -/* IO PRB Entries */ -#define IIO_NUM_IPRBS (9) -#define IIO_IOPRB_0 0x400198 /* PRB entry 0 */ -#define IIO_IOPRB_8 0x4001a0 /* PRB entry 8 */ -#define IIO_IOPRB_9 0x4001a8 /* PRB entry 9 */ -#define IIO_IOPRB_A 0x4001b0 /* PRB entry a */ -#define IIO_IOPRB_B 0x4001b8 /* PRB entry b */ -#define IIO_IOPRB_C 0x4001c0 /* PRB entry c */ -#define IIO_IOPRB_D 0x4001c8 /* PRB entry d */ -#define IIO_IOPRB_E 0x4001d0 /* PRB entry e */ -#define IIO_IOPRB_F 0x4001d8 /* PRB entry f */ - - -#define IIO_IXCC 0x4001e0 /* Crosstalk credit count timeout */ -#define IIO_IXTCC IIO_IXCC -#define IIO_IMEM 0x4001e8 /* Miscellaneous Enable Mask */ -#define IIO_IXTT 0x4001f0 /* Crosstalk tail timeout */ -#define IIO_IECLR 0x4001f8 /* IO error clear */ -#define IIO_IBCN 0x400200 /* IO BTE CRB count */ - -/* - * IIO_IMEM Register fields. - */ -#define IIO_IMEM_W0ESD 0x1 /* Widget 0 shut down due to error */ -#define IIO_IMEM_B0ESD (1 << 4) /* BTE 0 shut down due to error */ -#define IIO_IMEM_B1ESD (1 << 8) /* BTE 1 Shut down due to error */ - -/* PIO Read address Table Entries */ -#define IIO_IPCA 0x400300 /* PRB Counter adjust */ -#define IIO_NUM_PRTES 8 /* Total number of PRB table entries */ -#define IIO_PRTE_0 0x400308 /* PIO Read address table entry 0 */ -#define IIO_PRTE(_x) (IIO_PRTE_0 + (8 * (_x))) -#define IIO_WIDPRTE(x) IIO_PRTE(((x) - 8)) /* widget ID to its PRTE num */ -#define IIO_IPDR 0x400388 /* PIO table entry deallocation */ -#define IIO_ICDR 0x400390 /* CRB Entry Deallocation */ -#define IIO_IFDR 0x400398 /* IOQ FIFO Depth */ -#define IIO_IIAP 0x4003a0 /* IIQ Arbitration Parameters */ -#define IIO_IMMR IIO_IIAP -#define IIO_ICMR 0x4003a8 /* CRB Management Register */ -#define IIO_ICCR 0x4003b0 /* CRB Control Register */ -#define IIO_ICTO 0x4003b8 /* CRB Time Out Register */ -#define IIO_ICTP 0x4003c0 /* CRB Time Out Prescalar */ - - -/* - * ICMR register fields - */ -#define IIO_ICMR_PC_VLD_SHFT 36 -#define IIO_ICMR_PC_VLD_MASK (0x7fffUL << IIO_ICMR_PC_VLD_SHFT) - -#define IIO_ICMR_CRB_VLD_SHFT 20 -#define IIO_ICMR_CRB_VLD_MASK (0x7fffUL << IIO_ICMR_CRB_VLD_SHFT) - -#define IIO_ICMR_FC_CNT_SHFT 16 -#define IIO_ICMR_FC_CNT_MASK (0xf << IIO_ICMR_FC_CNT_SHFT) - -#define IIO_ICMR_C_CNT_SHFT 4 -#define IIO_ICMR_C_CNT_MASK (0xf << IIO_ICMR_C_CNT_SHFT) - -#define IIO_ICMR_P_CNT_SHFT 0 -#define IIO_ICMR_P_CNT_MASK (0xf << IIO_ICMR_P_CNT_SHFT) - -#define IIO_ICMR_PRECISE (1UL << 52) -#define IIO_ICMR_CLR_RPPD (1UL << 13) -#define IIO_ICMR_CLR_RQPD (1UL << 12) - -/* - * IIO PIO Deallocation register field masks : (IIO_IPDR) - */ -#define IIO_IPDR_PND (1 << 4) - -/* - * IIO CRB deallocation register field masks: (IIO_ICDR) - */ -#define IIO_ICDR_PND (1 << 4) - -/* - * IIO CRB control register Fields: IIO_ICCR - */ -#define IIO_ICCR_PENDING (0x10000) -#define IIO_ICCR_CMD_MASK (0xFF) -#define IIO_ICCR_CMD_SHFT (7) -#define IIO_ICCR_CMD_NOP (0x0) /* No Op */ -#define IIO_ICCR_CMD_WAKE (0x100) /* Reactivate CRB entry and process */ -#define IIO_ICCR_CMD_TIMEOUT (0x200) /* Make CRB timeout & mark invalid */ -#define IIO_ICCR_CMD_EJECT (0x400) /* Contents of entry written to memory - * via a WB - */ -#define IIO_ICCR_CMD_FLUSH (0x800) - -/* - * CRB manipulation macros - * The CRB macros are slightly complicated, since there are up to - * four registers associated with each CRB entry. - */ -#define IIO_NUM_CRBS 15 /* Number of CRBs */ -#define IIO_NUM_NORMAL_CRBS 12 /* Number of regular CRB entries */ -#define IIO_NUM_PC_CRBS 4 /* Number of partial cache CRBs */ -#define IIO_ICRB_OFFSET 8 -#define IIO_ICRB_0 0x400400 -/* XXX - This is now tuneable: - #define IIO_FIRST_PC_ENTRY 12 - */ - -#define IIO_ICRB_A(_x) (IIO_ICRB_0 + (4 * IIO_ICRB_OFFSET * (_x))) -#define IIO_ICRB_B(_x) (IIO_ICRB_A(_x) + 1*IIO_ICRB_OFFSET) -#define IIO_ICRB_C(_x) (IIO_ICRB_A(_x) + 2*IIO_ICRB_OFFSET) -#define IIO_ICRB_D(_x) (IIO_ICRB_A(_x) + 3*IIO_ICRB_OFFSET) - -/* XXX - IBUE register coming for Hub 2 */ - -/* - * - * CRB Register description. - * - * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING - * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING - * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING - * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING - * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING * WARNING - * - * Many of the fields in CRB are status bits used by hardware - * for implementation of the protocol. It's very dangerous to - * mess around with the CRB registers. - * - * It's OK to read the CRB registers and try to make sense out of the - * fields in CRB. - * - * Updating CRB requires all activities in Hub IIO to be quiesced. - * otherwise, a write to CRB could corrupt other CRB entries. - * CRBs are here only as a back door peek to hub IIO's status. - * Quiescing implies no dmas no PIOs - * either directly from the cpu or from sn0net. - * this is not something that can be done easily. So, AVOID updating - * CRBs. - */ - -/* - * Fields in CRB Register A - */ -#ifndef __ASSEMBLY__ -typedef union icrba_u { - u64 reg_value; - struct { - u64 resvd: 6, - stall_bte0: 1, /* Stall BTE 0 */ - stall_bte1: 1, /* Stall BTE 1 */ - error: 1, /* CRB has an error */ - ecode: 3, /* Error Code */ - lnetuce: 1, /* SN0net Uncorrectable error */ - mark: 1, /* CRB Has been marked */ - xerr: 1, /* Error bit set in xtalk header */ - sidn: 4, /* SIDN field from xtalk */ - tnum: 5, /* TNUM field in xtalk */ - addr: 38, /* Address of request */ - valid: 1, /* Valid status */ - iow: 1; /* IO Write operation */ - } icrba_fields_s; -} icrba_t; - -/* This is an alternate typedef for the HUB1 CRB A in order to allow - runtime selection of the format based on the REV_ID field of the - NI_STATUS_REV_ID register. */ -typedef union h1_icrba_u { - u64 reg_value; - - struct { - u64 resvd: 6, - unused: 1, /* Unused but RW!! */ - error: 1, /* CRB has an error */ - ecode: 4, /* Error Code */ - lnetuce: 1, /* SN0net Uncorrectable error */ - mark: 1, /* CRB Has been marked */ - xerr: 1, /* Error bit set in xtalk header */ - sidn: 4, /* SIDN field from xtalk */ - tnum: 5, /* TNUM field in xtalk */ - addr: 38, /* Address of request */ - valid: 1, /* Valid status */ - iow: 1; /* IO Write operation */ - } h1_icrba_fields_s; -} h1_icrba_t; - -/* XXX - Is this still right? Check the spec. */ -#define ICRBN_A_CERR_SHFT 54 -#define ICRBN_A_ERR_MASK 0x3ff - -#endif /* !__ASSEMBLY__ */ - -#define IIO_ICRB_ADDR_SHFT 2 /* Shift to get proper address */ - -/* - * values for "ecode" field - */ -#define IIO_ICRB_ECODE_DERR 0 /* Directory error due to IIO access */ -#define IIO_ICRB_ECODE_PERR 1 /* Poison error on IO access */ -#define IIO_ICRB_ECODE_WERR 2 /* Write error by IIO access - * e.g. WINV to a Read only line. - */ -#define IIO_ICRB_ECODE_AERR 3 /* Access error caused by IIO access */ -#define IIO_ICRB_ECODE_PWERR 4 /* Error on partial write */ -#define IIO_ICRB_ECODE_PRERR 5 /* Error on partial read */ -#define IIO_ICRB_ECODE_TOUT 6 /* CRB timeout before deallocating */ -#define IIO_ICRB_ECODE_XTERR 7 /* Incoming xtalk pkt had error bit */ - - - -/* - * Fields in CRB Register B - */ -#ifndef __ASSEMBLY__ -typedef union icrbb_u { - u64 reg_value; - struct { - u64 rsvd1: 5, - btenum: 1, /* BTE to which entry belongs to */ - cohtrans: 1, /* Coherent transaction */ - xtsize: 2, /* Xtalk operation size - * 0: Double Word - * 1: 32 Bytes. - * 2: 128 Bytes, - * 3: Reserved. - */ - srcnode: 9, /* Source Node ID */ - srcinit: 2, /* Source Initiator: - * See below for field values. - */ - useold: 1, /* Use OLD command for processing */ - imsgtype: 2, /* Incoming message type - * see below for field values - */ - imsg: 8, /* Incoming message */ - initator: 3, /* Initiator of original request - * See below for field values. - */ - reqtype: 5, /* Identifies type of request - * See below for field values. - */ - rsvd2: 7, - ackcnt: 11, /* Invalidate ack count */ - resp: 1, /* data response given to processor */ - ack: 1, /* indicates data ack received */ - hold: 1, /* entry is gathering inval acks */ - wb_pend:1, /* waiting for writeback to complete */ - intvn: 1, /* Intervention */ - stall_ib: 1, /* Stall Ibuf (from crosstalk) */ - stall_intr: 1; /* Stall internal interrupts */ - } icrbb_field_s; -} icrbb_t; - -/* This is an alternate typedef for the HUB1 CRB B in order to allow - runtime selection of the format based on the REV_ID field of the - NI_STATUS_REV_ID register. */ -typedef union h1_icrbb_u { - u64 reg_value; - struct { - u64 rsvd1: 5, - btenum: 1, /* BTE to which entry belongs to */ - cohtrans: 1, /* Coherent transaction */ - xtsize: 2, /* Xtalk operation size - * 0: Double Word - * 1: 32 Bytes. - * 2: 128 Bytes, - * 3: Reserved. - */ - srcnode: 9, /* Source Node ID */ - srcinit: 2, /* Source Initiator: - * See below for field values. - */ - useold: 1, /* Use OLD command for processing */ - imsgtype: 2, /* Incoming message type - * see below for field values - */ - imsg: 8, /* Incoming message */ - initator: 3, /* Initiator of original request - * See below for field values. - */ - rsvd2: 1, - pcache: 1, /* entry belongs to partial cache */ - reqtype: 5, /* Identifies type of request - * See below for field values. - */ - stl_ib: 1, /* stall Ibus coming from xtalk */ - stl_intr: 1, /* Stall internal interrupts */ - stl_bte0: 1, /* Stall BTE 0 */ - stl_bte1: 1, /* Stall BTE 1 */ - intrvn: 1, /* Req was target of intervention */ - ackcnt: 11, /* Invalidate ack count */ - resp: 1, /* data response given to processor */ - ack: 1, /* indicates data ack received */ - hold: 1, /* entry is gathering inval acks */ - wb_pend:1, /* waiting for writeback to complete */ - sleep: 1, /* xtalk req sleeping till IO-sync */ - pnd_reply: 1, /* replies not issed due to IOQ full */ - pnd_req: 1; /* reqs not issued due to IOQ full */ - } h1_icrbb_field_s; -} h1_icrbb_t; - - -#define b_imsgtype icrbb_field_s.imsgtype -#define b_btenum icrbb_field_s.btenum -#define b_cohtrans icrbb_field_s.cohtrans -#define b_xtsize icrbb_field_s.xtsize -#define b_srcnode icrbb_field_s.srcnode -#define b_srcinit icrbb_field_s.srcinit -#define b_imsgtype icrbb_field_s.imsgtype -#define b_imsg icrbb_field_s.imsg -#define b_initiator icrbb_field_s.initiator - -#endif /* !__ASSEMBLY__ */ - -/* - * values for field xtsize - */ -#define IIO_ICRB_XTSIZE_DW 0 /* Xtalk operation size is 8 bytes */ -#define IIO_ICRB_XTSIZE_32 1 /* Xtalk operation size is 32 bytes */ -#define IIO_ICRB_XTSIZE_128 2 /* Xtalk operation size is 128 bytes */ - -/* - * values for field srcinit - */ -#define IIO_ICRB_PROC0 0 /* Source of request is Proc 0 */ -#define IIO_ICRB_PROC1 1 /* Source of request is Proc 1 */ -#define IIO_ICRB_GB_REQ 2 /* Source is Guranteed BW request */ -#define IIO_ICRB_IO_REQ 3 /* Source is Normal IO request */ - -/* - * Values for field imsgtype - */ -#define IIO_ICRB_IMSGT_XTALK 0 /* Incoming Meessage from Xtalk */ -#define IIO_ICRB_IMSGT_BTE 1 /* Incoming message from BTE */ -#define IIO_ICRB_IMSGT_SN0NET 2 /* Incoming message from SN0 net */ -#define IIO_ICRB_IMSGT_CRB 3 /* Incoming message from CRB ??? */ - -/* - * values for field initiator. - */ -#define IIO_ICRB_INIT_XTALK 0 /* Message originated in xtalk */ -#define IIO_ICRB_INIT_BTE0 0x1 /* Message originated in BTE 0 */ -#define IIO_ICRB_INIT_SN0NET 0x2 /* Message originated in SN0net */ -#define IIO_ICRB_INIT_CRB 0x3 /* Message originated in CRB ? */ -#define IIO_ICRB_INIT_BTE1 0x5 /* MEssage originated in BTE 1 */ - -/* - * Values for field reqtype. - */ -/* XXX - Need to fix this for Hub 2 */ -#define IIO_ICRB_REQ_DWRD 0 /* Request type double word */ -#define IIO_ICRB_REQ_QCLRD 1 /* Request is Qrtr Caceh line Rd */ -#define IIO_ICRB_REQ_BLKRD 2 /* Request is block read */ -#define IIO_ICRB_REQ_RSHU 6 /* Request is BTE block read */ -#define IIO_ICRB_REQ_REXU 7 /* request is BTE Excl Read */ -#define IIO_ICRB_REQ_RDEX 8 /* Request is Read Exclusive */ -#define IIO_ICRB_REQ_WINC 9 /* Request is Write Invalidate */ -#define IIO_ICRB_REQ_BWINV 10 /* Request is BTE Winv */ -#define IIO_ICRB_REQ_PIORD 11 /* Request is PIO read */ -#define IIO_ICRB_REQ_PIOWR 12 /* Request is PIO Write */ -#define IIO_ICRB_REQ_PRDM 13 /* Request is Fetch&Op */ -#define IIO_ICRB_REQ_PWRM 14 /* Request is Store &Op */ -#define IIO_ICRB_REQ_PTPWR 15 /* Request is Peer to peer */ -#define IIO_ICRB_REQ_WB 16 /* Request is Write back */ -#define IIO_ICRB_REQ_DEX 17 /* Retained DEX Cache line */ - -/* - * Fields in CRB Register C - */ - -#ifndef __ASSEMBLY__ - -typedef union icrbc_s { - u64 reg_value; - struct { - u64 rsvd: 6, - sleep: 1, - pricnt: 4, /* Priority count sent with Read req */ - pripsc: 4, /* Priority Pre scalar */ - bteop: 1, /* BTE Operation */ - push_be: 34, /* Push address Byte enable - * Holds push addr, if CRB is for BTE - * If CRB belongs to Partial cache, - * this contains byte enables bits - * ([47:46] = 0) - */ - suppl: 11, /* Supplemental field */ - barrop: 1, /* Barrier Op bit set in xtalk req */ - doresp: 1, /* Xtalk req needs a response */ - gbr: 1; /* GBR bit set in xtalk packet */ - } icrbc_field_s; -} icrbc_t; - -#define c_pricnt icrbc_field_s.pricnt -#define c_pripsc icrbc_field_s.pripsc -#define c_bteop icrbc_field_s.bteop -#define c_bteaddr icrbc_field_s.push_be /* push_be field has 2 names */ -#define c_benable icrbc_field_s.push_be /* push_be field has 2 names */ -#define c_suppl icrbc_field_s.suppl -#define c_barrop icrbc_field_s.barrop -#define c_doresp icrbc_field_s.doresp -#define c_gbr icrbc_field_s.gbr -#endif /* !__ASSEMBLY__ */ - -/* - * Fields in CRB Register D - */ - -#ifndef __ASSEMBLY__ -typedef union icrbd_s { - u64 reg_value; - struct { - u64 rsvd: 38, - toutvld: 1, /* Timeout in progress for this CRB */ - ctxtvld: 1, /* Context field below is valid */ - rsvd2: 1, - context: 15, /* Bit vector: - * Has a bit set for each CRB entry - * which needs to be deallocated - * before this CRB entry is processed. - * Set only for barrier operations. - */ - timeout: 8; /* Timeout Upper 8 bits */ - } icrbd_field_s; -} icrbd_t; - -#define icrbd_toutvld icrbd_field_s.toutvld -#define icrbd_ctxtvld icrbd_field_s.ctxtvld -#define icrbd_context icrbd_field_s.context - - -typedef union hubii_ifdr_u { - u64 hi_ifdr_value; - struct { - u64 ifdr_rsvd: 49, - ifdr_maxrp: 7, - ifdr_rsvd1: 1, - ifdr_maxrq: 7; - } hi_ifdr_fields; -} hubii_ifdr_t; - -#endif /* !__ASSEMBLY__ */ - -/* - * Hardware designed names for the BTE control registers. - */ -#define IIO_IBLS_0 0x410000 /* BTE length/status 0 */ -#define IIO_IBSA_0 0x410008 /* BTE source address 0 */ -#define IIO_IBDA_0 0x410010 /* BTE destination address 0 */ -#define IIO_IBCT_0 0x410018 /* BTE control/terminate 0 */ -#define IIO_IBNA_0 0x410020 /* BTE notification address 0 */ -#define IIO_IBNR_0 IIO_IBNA_0 -#define IIO_IBIA_0 0x410028 /* BTE interrupt address 0 */ - -#define IIO_IBLS_1 0x420000 /* BTE length/status 1 */ -#define IIO_IBSA_1 0x420008 /* BTE source address 1 */ -#define IIO_IBDA_1 0x420010 /* BTE destination address 1 */ -#define IIO_IBCT_1 0x420018 /* BTE control/terminate 1 */ -#define IIO_IBNA_1 0x420020 /* BTE notification address 1 */ -#define IIO_IBNR_1 IIO_IBNA_1 -#define IIO_IBIA_1 0x420028 /* BTE interrupt address 1 */ - -/* - * More miscellaneous registers - */ -#define IIO_IPCR 0x430000 /* Performance Control */ -#define IIO_IPPR 0x430008 /* Performance Profiling */ - -/* - * IO Error Clear register bit field definitions - */ -#define IECLR_BTE1 (1 << 18) /* clear bte error 1 ??? */ -#define IECLR_BTE0 (1 << 17) /* clear bte error 0 ??? */ -#define IECLR_CRAZY (1 << 16) /* clear crazy bit in wstat reg */ -#define IECLR_PRB_F (1 << 15) /* clear err bit in PRB_F reg */ -#define IECLR_PRB_E (1 << 14) /* clear err bit in PRB_E reg */ -#define IECLR_PRB_D (1 << 13) /* clear err bit in PRB_D reg */ -#define IECLR_PRB_C (1 << 12) /* clear err bit in PRB_C reg */ -#define IECLR_PRB_B (1 << 11) /* clear err bit in PRB_B reg */ -#define IECLR_PRB_A (1 << 10) /* clear err bit in PRB_A reg */ -#define IECLR_PRB_9 (1 << 9) /* clear err bit in PRB_9 reg */ -#define IECLR_PRB_8 (1 << 8) /* clear err bit in PRB_8 reg */ -#define IECLR_PRB_0 (1 << 0) /* clear err bit in PRB_0 reg */ - -/* - * IO PIO Read Table Entry format - */ - -#ifndef __ASSEMBLY__ - -typedef union iprte_a { - u64 entry; - struct { - u64 rsvd1 : 7, /* Reserved field */ - valid : 1, /* Maps to a timeout entry */ - rsvd2 : 1, - srcnode : 9, /* Node which did this PIO */ - initiator : 2, /* If T5A or T5B or IO */ - rsvd3 : 3, - addr : 38, /* Physical address of PIO */ - rsvd4 : 3; - } iprte_fields; -} iprte_a_t; - -#define iprte_valid iprte_fields.valid -#define iprte_timeout iprte_fields.timeout -#define iprte_srcnode iprte_fields.srcnode -#define iprte_init iprte_fields.initiator -#define iprte_addr iprte_fields.addr - -#endif /* !__ASSEMBLY__ */ - -#define IPRTE_ADDRSHFT 3 - -/* - * Hub IIO PRB Register format. - */ - -#ifndef __ASSEMBLY__ -/* - * Note: Fields bnakctr, anakctr, xtalkctrmode, ovflow fields are - * "Status" fields, and should only be used in case of clean up after errors. - */ - -typedef union iprb_u { - u64 reg_value; - struct { - u64 rsvd1: 15, - error: 1, /* Widget rcvd wr resp pkt w/ error */ - ovflow: 5, /* Over flow count. perf measurement */ - fire_and_forget: 1, /* Launch Write without response */ - mode: 2, /* Widget operation Mode */ - rsvd2: 2, - bnakctr: 14, - rsvd3: 2, - anakctr: 14, - xtalkctr: 8; - } iprb_fields_s; -} iprb_t; - -#define iprb_regval reg_value - -#define iprb_error iprb_fields_s.error -#define iprb_ovflow iprb_fields_s.ovflow -#define iprb_ff iprb_fields_s.fire_and_forget -#define iprb_mode iprb_fields_s.mode -#define iprb_bnakctr iprb_fields_s.bnakctr -#define iprb_anakctr iprb_fields_s.anakctr -#define iprb_xtalkctr iprb_fields_s.xtalkctr - -#endif /* !__ASSEMBLY__ */ - -/* - * values for mode field in iprb_t. - * For details of the meanings of NAK and Accept, refer the PIO flow - * document - */ -#define IPRB_MODE_NORMAL (0) -#define IPRB_MODE_COLLECT_A (1) /* PRB in collect A mode */ -#define IPRB_MODE_SERVICE_A (2) /* NAK B and Accept A */ -#define IPRB_MODE_SERVICE_B (3) /* NAK A and Accept B */ - -/* - * IO CRB entry C_A to E_A : Partial (cache) CRBS - */ -#ifndef __ASSEMBLY__ -typedef union icrbp_a { - u64 ip_reg; /* the entire register value */ - struct { - u64 error: 1, /* 63, error occurred */ - ln_uce: 1, /* 62: uncorrectable memory */ - ln_ae: 1, /* 61: protection violation */ - ln_werr:1, /* 60: write access error */ - ln_aerr:1, /* 59: sn0net: Address error */ - ln_perr:1, /* 58: sn0net: poison error */ - timeout:1, /* 57: CRB timed out */ - l_bdpkt:1, /* 56: truncated pkt on sn0net */ - c_bdpkt:1, /* 55: truncated pkt on xtalk */ - c_err: 1, /* 54: incoming xtalk req, err set*/ - rsvd1: 12, /* 53-42: reserved */ - valid: 1, /* 41: Valid status */ - sidn: 4, /* 40-37: SIDN field of xtalk rqst */ - tnum: 5, /* 36-32: TNUM of xtalk request */ - bo: 1, /* 31: barrier op set in xtalk rqst*/ - resprqd:1, /* 30: xtalk rqst requires response*/ - gbr: 1, /* 29: gbr bit set in xtalk rqst */ - size: 2, /* 28-27: size of xtalk request */ - excl: 4, /* 26-23: exclusive bit(s) */ - stall: 3, /* 22-20: stall (xtalk, bte 0/1) */ - intvn: 1, /* 19: rqst target of intervention*/ - resp: 1, /* 18: Data response given to t5 */ - ack: 1, /* 17: Data ack received. */ - hold: 1, /* 16: crb gathering invalidate acks*/ - wb: 1, /* 15: writeback pending. */ - ack_cnt:11, /* 14-04: counter of invalidate acks*/ - tscaler:4; /* 03-00: Timeout prescaler */ - } ip_fmt; -} icrbp_a_t; - -#endif /* !__ASSEMBLY__ */ - -/* - * A couple of defines to go with the above structure. - */ -#define ICRBP_A_CERR_SHFT 54 -#define ICRBP_A_ERR_MASK 0x3ff - -#ifndef __ASSEMBLY__ -typedef union hubii_idsr { - u64 iin_reg; - struct { - u64 rsvd1 : 35, - isent : 1, - rsvd2 : 3, - ienable: 1, - rsvd : 7, - node : 9, - rsvd4 : 1, - level : 7; - } iin_fmt; -} hubii_idsr_t; -#endif /* !__ASSEMBLY__ */ - -/* - * IO BTE Length/Status (IIO_IBLS) register bit field definitions - */ -#define IBLS_BUSY (0x1 << 20) -#define IBLS_ERROR_SHFT 16 -#define IBLS_ERROR (0x1 << IBLS_ERROR_SHFT) -#define IBLS_LENGTH_MASK 0xffff - -/* - * IO BTE Control/Terminate register (IBCT) register bit field definitions - */ -#define IBCT_POISON (0x1 << 8) -#define IBCT_NOTIFY (0x1 << 4) -#define IBCT_ZFIL_MODE (0x1 << 0) - -/* - * IO BTE Interrupt Address Register (IBIA) register bit field definitions - */ -#define IBIA_LEVEL_SHFT 16 -#define IBIA_LEVEL_MASK (0x7f << IBIA_LEVEL_SHFT) -#define IBIA_NODE_ID_SHFT 0 -#define IBIA_NODE_ID_MASK (0x1ff) - -/* - * Miscellaneous hub constants - */ - -/* Number of widgets supported by hub */ -#define HUB_NUM_WIDGET 9 -#define HUB_WIDGET_ID_MIN 0x8 -#define HUB_WIDGET_ID_MAX 0xf - -#define HUB_WIDGET_PART_NUM 0xc101 -#define MAX_HUBS_PER_XBOW 2 - -/* - * Get a hub's widget id from widget control register - */ -#define IIO_WCR_WID_GET(nasid) (REMOTE_HUB_L(nasid, III_WCR) & 0xf) -#define IIO_WST_ERROR_MASK (UINT64_CAST 1 << 32) /* Widget status error */ - -/* - * Number of credits Hub widget has while sending req/response to - * xbow. - * Value of 3 is required by Xbow 1.1 - * We may be able to increase this to 4 with Xbow 1.2. - */ -#define HUBII_XBOW_CREDIT 3 -#define HUBII_XBOW_REV2_CREDIT 4 - -#endif /* _ASM_SGI_SN_SN0_HUBIO_H */ |
