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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 */
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