hubni.h
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上传日期:2013-04-10
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- /*
- * 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/hubni.h>, Revision 1.27.
- *
- * Copyright (C) 1992-1997, 1999 Silicon Graphics, Inc.
- * Copyright (C) 1999 by Ralf Baechle
- */
- #ifndef _ASM_SGI_SN0_HUBNI_H
- #define _ASM_SGI_SN0_HUBNI_H
- #ifndef __ASSEMBLY__
- #include <linux/types.h>
- #endif
- /*
- * Hub Network Interface registers
- *
- * All registers in this file are subject to change until Hub chip tapeout.
- */
- #define NI_BASE 0x600000
- #define NI_BASE_TABLES 0x630000
- #define NI_STATUS_REV_ID 0x600000 /* Hub network status, rev, and ID */
- #define NI_PORT_RESET 0x600008 /* Reset the network interface */
- #define NI_PROTECTION 0x600010 /* NI register access permissions */
- #define NI_GLOBAL_PARMS 0x600018 /* LLP parameters */
- #define NI_SCRATCH_REG0 0x600100 /* Scratch register 0 (64 bits) */
- #define NI_SCRATCH_REG1 0x600108 /* Scratch register 1 (64 bits) */
- #define NI_DIAG_PARMS 0x600110 /* Parameters for diags */
- #define NI_VECTOR_PARMS 0x600200 /* Vector PIO routing parameters */
- #define NI_VECTOR 0x600208 /* Vector PIO route */
- #define NI_VECTOR_DATA 0x600210 /* Vector PIO data */
- #define NI_VECTOR_STATUS 0x600300 /* Vector PIO return status */
- #define NI_RETURN_VECTOR 0x600308 /* Vector PIO return vector */
- #define NI_VECTOR_READ_DATA 0x600310 /* Vector PIO read data */
- #define NI_VECTOR_CLEAR 0x600380 /* Vector PIO read & clear status */
- #define NI_IO_PROTECT 0x600400 /* PIO protection bits */
- #define NI_IO_PROT_OVRRD 0x600408 /* PIO protection bit override */
- #define NI_AGE_CPU0_MEMORY 0x600500 /* CPU 0 memory age control */
- #define NI_AGE_CPU0_PIO 0x600508 /* CPU 0 PIO age control */
- #define NI_AGE_CPU1_MEMORY 0x600510 /* CPU 1 memory age control */
- #define NI_AGE_CPU1_PIO 0x600518 /* CPU 1 PIO age control */
- #define NI_AGE_GBR_MEMORY 0x600520 /* GBR memory age control */
- #define NI_AGE_GBR_PIO 0x600528 /* GBR PIO age control */
- #define NI_AGE_IO_MEMORY 0x600530 /* IO memory age control */
- #define NI_AGE_IO_PIO 0x600538 /* IO PIO age control */
- #define NI_AGE_REG_MIN NI_AGE_CPU0_MEMORY
- #define NI_AGE_REG_MAX NI_AGE_IO_PIO
- #define NI_PORT_PARMS 0x608000 /* LLP Parameters */
- #define NI_PORT_ERROR 0x608008 /* LLP Errors */
- #define NI_PORT_ERROR_CLEAR 0x608088 /* Clear the error bits */
- #define NI_META_TABLE0 0x638000 /* First meta routing table entry */
- #define NI_META_TABLE(_x) (NI_META_TABLE0 + (8 * (_x)))
- #define NI_META_ENTRIES 32
- #define NI_LOCAL_TABLE0 0x638100 /* First local routing table entry */
- #define NI_LOCAL_TABLE(_x) (NI_LOCAL_TABLE0 + (8 * (_x)))
- #define NI_LOCAL_ENTRIES 16
- /*
- * NI_STATUS_REV_ID mask and shift definitions
- * Have to use UINT64_CAST instead of 'L' suffix, for assembler.
- */
- #define NSRI_8BITMODE_SHFT 30
- #define NSRI_8BITMODE_MASK (UINT64_CAST 0x1 << 30)
- #define NSRI_LINKUP_SHFT 29
- #define NSRI_LINKUP_MASK (UINT64_CAST 0x1 << 29)
- #define NSRI_DOWNREASON_SHFT 28 /* 0=failed, 1=never came */
- #define NSRI_DOWNREASON_MASK (UINT64_CAST 0x1 << 28) /* out of reset. */
- #define NSRI_MORENODES_SHFT 18
- #define NSRI_MORENODES_MASK (UINT64_CAST 1 << 18) /* Max. # of nodes */
- #define MORE_MEMORY 0
- #define MORE_NODES 1
- #define NSRI_REGIONSIZE_SHFT 17
- #define NSRI_REGIONSIZE_MASK (UINT64_CAST 1 << 17) /* Granularity */
- #define REGIONSIZE_FINE 1
- #define REGIONSIZE_COARSE 0
- #define NSRI_NODEID_SHFT 8
- #define NSRI_NODEID_MASK (UINT64_CAST 0x1ff << 8)/* Node (Hub) ID */
- #define NSRI_REV_SHFT 4
- #define NSRI_REV_MASK (UINT64_CAST 0xf << 4) /* Chip Revision */
- #define NSRI_CHIPID_SHFT 0
- #define NSRI_CHIPID_MASK (UINT64_CAST 0xf) /* Chip type ID */
- /*
- * In fine mode, each node is a region. In coarse mode, there are
- * eight nodes per region.
- */
- #define NASID_TO_FINEREG_SHFT 0
- #define NASID_TO_COARSEREG_SHFT 3
- /* NI_PORT_RESET mask definitions */
- #define NPR_PORTRESET (UINT64_CAST 1 << 7) /* Send warm reset */
- #define NPR_LINKRESET (UINT64_CAST 1 << 1) /* Send link reset */
- #define NPR_LOCALRESET (UINT64_CAST 1) /* Reset entire hub */
- /* NI_PROTECTION mask and shift definitions */
- #define NPROT_RESETOK (UINT64_CAST 1)
- /* NI_GLOBAL_PARMS mask and shift definitions */
- #define NGP_MAXRETRY_SHFT 48 /* Maximum retries */
- #define NGP_MAXRETRY_MASK (UINT64_CAST 0x3ff << 48)
- #define NGP_TAILTOWRAP_SHFT 32 /* Tail timeout wrap */
- #define NGP_TAILTOWRAP_MASK (UINT64_CAST 0xffff << 32)
- #define NGP_CREDITTOVAL_SHFT 16 /* Tail timeout wrap */
- #define NGP_CREDITTOVAL_MASK (UINT64_CAST 0xf << 16)
- #define NGP_TAILTOVAL_SHFT 4 /* Tail timeout value */
- #define NGP_TAILTOVAL_MASK (UINT64_CAST 0xf << 4)
- /* NI_DIAG_PARMS mask and shift definitions */
- #define NDP_PORTTORESET (UINT64_CAST 1 << 18) /* Port tmout reset */
- #define NDP_LLP8BITMODE (UINT64_CAST 1 << 12) /* LLP 8-bit mode */
- #define NDP_PORTDISABLE (UINT64_CAST 1 << 6) /* Port disable */
- #define NDP_SENDERROR (UINT64_CAST 1) /* Send data error */
- /*
- * NI_VECTOR_PARMS mask and shift definitions.
- * TYPE may be any of the first four PIOTYPEs defined under NI_VECTOR_STATUS.
- */
- #define NVP_PIOID_SHFT 40
- #define NVP_PIOID_MASK (UINT64_CAST 0x3ff << 40)
- #define NVP_WRITEID_SHFT 32
- #define NVP_WRITEID_MASK (UINT64_CAST 0xff << 32)
- #define NVP_ADDRESS_MASK (UINT64_CAST 0xffff8) /* Bits 19:3 */
- #define NVP_TYPE_SHFT 0
- #define NVP_TYPE_MASK (UINT64_CAST 0x3)
- /* NI_VECTOR_STATUS mask and shift definitions */
- #define NVS_VALID (UINT64_CAST 1 << 63)
- #define NVS_OVERRUN (UINT64_CAST 1 << 62)
- #define NVS_TARGET_SHFT 51
- #define NVS_TARGET_MASK (UINT64_CAST 0x3ff << 51)
- #define NVS_PIOID_SHFT 40
- #define NVS_PIOID_MASK (UINT64_CAST 0x3ff << 40)
- #define NVS_WRITEID_SHFT 32
- #define NVS_WRITEID_MASK (UINT64_CAST 0xff << 32)
- #define NVS_ADDRESS_MASK (UINT64_CAST 0xfffffff8) /* Bits 31:3 */
- #define NVS_TYPE_SHFT 0
- #define NVS_TYPE_MASK (UINT64_CAST 0x7)
- #define NVS_ERROR_MASK (UINT64_CAST 0x4) /* bit set means error */
- #define PIOTYPE_READ 0 /* VECTOR_PARMS and VECTOR_STATUS */
- #define PIOTYPE_WRITE 1 /* VECTOR_PARMS and VECTOR_STATUS */
- #define PIOTYPE_UNDEFINED 2 /* VECTOR_PARMS and VECTOR_STATUS */
- #define PIOTYPE_EXCHANGE 3 /* VECTOR_PARMS and VECTOR_STATUS */
- #define PIOTYPE_ADDR_ERR 4 /* VECTOR_STATUS only */
- #define PIOTYPE_CMD_ERR 5 /* VECTOR_STATUS only */
- #define PIOTYPE_PROT_ERR 6 /* VECTOR_STATUS only */
- #define PIOTYPE_UNKNOWN 7 /* VECTOR_STATUS only */
- /* NI_AGE_XXX mask and shift definitions */
- #define NAGE_VCH_SHFT 10
- #define NAGE_VCH_MASK (UINT64_CAST 3 << 10)
- #define NAGE_CC_SHFT 8
- #define NAGE_CC_MASK (UINT64_CAST 3 << 8)
- #define NAGE_AGE_SHFT 0
- #define NAGE_AGE_MASK (UINT64_CAST 0xff)
- #define NAGE_MASK (NAGE_VCH_MASK | NAGE_CC_MASK | NAGE_AGE_MASK)
- #define VCHANNEL_A 0
- #define VCHANNEL_B 1
- #define VCHANNEL_ANY 2
- /* NI_PORT_PARMS mask and shift definitions */
- #define NPP_NULLTO_SHFT 10
- #define NPP_NULLTO_MASK (UINT64_CAST 0x3f << 16)
- #define NPP_MAXBURST_SHFT 0
- #define NPP_MAXBURST_MASK (UINT64_CAST 0x3ff)
- #define NPP_RESET_DFLT_HUB20 ((UINT64_CAST 1 << NPP_NULLTO_SHFT) |
- (UINT64_CAST 0x3f0 << NPP_MAXBURST_SHFT))
- #define NPP_RESET_DEFAULTS ((UINT64_CAST 6 << NPP_NULLTO_SHFT) |
- (UINT64_CAST 0x3f0 << NPP_MAXBURST_SHFT))
- /* NI_PORT_ERROR mask and shift definitions */
- #define NPE_LINKRESET (UINT64_CAST 1 << 37)
- #define NPE_INTERNALERROR (UINT64_CAST 1 << 36)
- #define NPE_BADMESSAGE (UINT64_CAST 1 << 35)
- #define NPE_BADDEST (UINT64_CAST 1 << 34)
- #define NPE_FIFOOVERFLOW (UINT64_CAST 1 << 33)
- #define NPE_CREDITTO_SHFT 28
- #define NPE_CREDITTO_MASK (UINT64_CAST 0xf << 28)
- #define NPE_TAILTO_SHFT 24
- #define NPE_TAILTO_MASK (UINT64_CAST 0xf << 24)
- #define NPE_RETRYCOUNT_SHFT 16
- #define NPE_RETRYCOUNT_MASK (UINT64_CAST 0xff << 16)
- #define NPE_CBERRCOUNT_SHFT 8
- #define NPE_CBERRCOUNT_MASK (UINT64_CAST 0xff << 8)
- #define NPE_SNERRCOUNT_SHFT 0
- #define NPE_SNERRCOUNT_MASK (UINT64_CAST 0xff << 0)
- #define NPE_MASK 0x3effffffff
- #define NPE_COUNT_MAX 0xff
- #define NPE_FATAL_ERRORS (NPE_LINKRESET | NPE_INTERNALERROR |
- NPE_BADMESSAGE | NPE_BADDEST |
- NPE_FIFOOVERFLOW | NPE_CREDITTO_MASK |
- NPE_TAILTO_MASK)
- /* NI_META_TABLE mask and shift definitions */
- #define NMT_EXIT_PORT_MASK (UINT64_CAST 0xf)
- /* NI_LOCAL_TABLE mask and shift definitions */
- #define NLT_EXIT_PORT_MASK (UINT64_CAST 0xf)
- #ifndef __ASSEMBLY__
- typedef union hubni_port_error_u {
- u64 nipe_reg_value;
- struct {
- u64 nipe_rsvd: 26, /* unused */
- nipe_lnk_reset: 1, /* link reset */
- nipe_intl_err: 1, /* internal error */
- nipe_bad_msg: 1, /* bad message */
- nipe_bad_dest: 1, /* bad dest */
- nipe_fifo_ovfl: 1, /* fifo overflow */
- nipe_rsvd1: 1, /* unused */
- nipe_credit_to: 4, /* credit timeout */
- nipe_tail_to: 4, /* tail timeout */
- nipe_retry_cnt: 8, /* retry error count */
- nipe_cb_cnt: 8, /* checkbit error count */
- nipe_sn_cnt: 8; /* sequence number count */
- } nipe_fields_s;
- } hubni_port_error_t;
- #define NI_LLP_RETRY_MAX 0xff
- #define NI_LLP_CB_MAX 0xff
- #define NI_LLP_SN_MAX 0xff
- #endif /* !__ASSEMBLY__ */
- #endif /* _ASM_SGI_SN0_HUBNI_H */