diff options
Diffstat (limited to 'include/asm-ia64/sn/sn1/hubio_next.h')
| -rw-r--r-- | include/asm-ia64/sn/sn1/hubio_next.h | 762 |
1 files changed, 0 insertions, 762 deletions
diff --git a/include/asm-ia64/sn/sn1/hubio_next.h b/include/asm-ia64/sn/sn1/hubio_next.h deleted file mode 100644 index 037d3bae307d2f..00000000000000 --- a/include/asm-ia64/sn/sn1/hubio_next.h +++ /dev/null @@ -1,762 +0,0 @@ -/* $Id$ - * - * 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. - * - * Copyright (C) 1992 - 1997, 2000-2002 Silicon Graphics, Inc. All rights reserved. - */ -#ifndef _ASM_IA64_SN_SN1_HUBIO_NEXT_H -#define _ASM_IA64_SN_SN1_HUBIO_NEXT_H - -/* - * Slightly friendlier names for some common registers. - */ -#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_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_IGFX_0 IIO_IGFX0 -#define IIO_IGFX_1 IIO_IGFX1 -#define IIO_IBCT_0 IIO_IBCT0 -#define IIO_IBCT_1 IIO_IBCT1 -#define IIO_IBLS_0 IIO_IBLS0 -#define IIO_IBLS_1 IIO_IBLS1 -#define IIO_IBSA_0 IIO_IBSA0 -#define IIO_IBSA_1 IIO_IBSA1 -#define IIO_IBDA_0 IIO_IBDA0 -#define IIO_IBDA_1 IIO_IBDA1 -#define IIO_IBNA_0 IIO_IBNA0 -#define IIO_IBNA_1 IIO_IBNA1 -#define IIO_IBIA_0 IIO_IBIA0 -#define IIO_IBIA_1 IIO_IBIA1 -#define IIO_IOPRB_0 IIO_IPRB0 -#define IIO_PRTE_0 IIO_IPRTE0 /* PIO Read address table entry 0 */ -#define IIO_PRTE(_x) (IIO_PRTE_0 + (8 * (_x))) -#define IIO_NUM_IPRBS (9) -#define IIO_WIDPRTE(x) IIO_PRTE(((x) - 8)) /* widget ID to its PRTE num */ - -#define IIO_LLP_CSR_IS_UP 0x00002000 -#define IIO_LLP_CSR_LLP_STAT_MASK 0x00003000 -#define IIO_LLP_CSR_LLP_STAT_SHFT 12 - -#define IIO_LLP_CB_MAX 0xffff /* in ILLR CB_CNT, Max Check Bit errors */ -#define IIO_LLP_SN_MAX 0xffff /* in ILLR SN_CNT, Max Sequence Number errors */ - -/* 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) - - -/* names used in hub_diags.c; carried over from SN0 */ -#define IIO_BASE_BTE0 IIO_IBLS_0 -#define IIO_BASE_BTE1 IIO_IBLS_1 - -/* - * Macro which takes the widget number, and returns the - * IO PRB address of that widget. - * value _x is expected to be a widget number in the range - * 0, 8 - 0xF - */ -#define IIO_IOPRB(_x) (IIO_IOPRB_0 + ( ( (_x) < HUB_WIDGET_ID_MIN ? \ - (_x) : \ - (_x) - (HUB_WIDGET_ID_MIN-1)) << 3) ) - - -/* GFX Flow Control Node/Widget Register */ -#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_PI_NUM_BITS 1 /* size of PI num field */ -#define IIO_IGFX_PI_NUM_MASK ((1<<IIO_IGFX_PI_NUM_BITS)-1) -#define IIO_IGFX_PI_NUM_SHIFT 4 -#define IIO_IGFX_N_NUM_BITS 8 /* size of node num field */ -#define IIO_IGFX_N_NUM_MASK ((1<<IIO_IGFX_N_NUM_BITS)-1) -#define IIO_IGFX_N_NUM_SHIFT 5 -#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_INIT(widget, pi, node, cpu) (\ - (((widget) & IIO_IGFX_W_NUM_MASK) << IIO_IGFX_W_NUM_SHIFT) | \ - (((pi) & IIO_IGFX_PI_NUM_MASK)<< IIO_IGFX_PI_NUM_SHIFT)| \ - (((node) & IIO_IGFX_N_NUM_MASK) << IIO_IGFX_N_NUM_SHIFT) | \ - (((cpu) & IIO_IGFX_P_NUM_MASK) << IIO_IGFX_P_NUM_SHIFT)) - - -/* Scratch registers (all bits available) */ -#define IIO_SCRATCH_REG0 IIO_ISCR0 -#define IIO_SCRATCH_REG1 IIO_ISCR1 -#define IIO_SCRATCH_MASK 0xffffffffffffffff - -#define IIO_SCRATCH_BIT0_0 0x0000000000000001 -#define IIO_SCRATCH_BIT0_1 0x0000000000000002 -#define IIO_SCRATCH_BIT0_2 0x0000000000000004 -#define IIO_SCRATCH_BIT0_3 0x0000000000000008 -#define IIO_SCRATCH_BIT0_4 0x0000000000000010 -#define IIO_SCRATCH_BIT0_5 0x0000000000000020 -#define IIO_SCRATCH_BIT0_6 0x0000000000000040 -#define IIO_SCRATCH_BIT0_7 0x0000000000000080 -#define IIO_SCRATCH_BIT0_8 0x0000000000000100 -#define IIO_SCRATCH_BIT0_9 0x0000000000000200 -#define IIO_SCRATCH_BIT0_A 0x0000000000000400 - -#define IIO_SCRATCH_BIT1_0 0x0000000000000001 -#define IIO_SCRATCH_BIT1_1 0x0000000000000002 -/* IO Translation Table Entries */ -#define IIO_NUM_ITTES 7 /* ITTEs numbered 0..6 */ - /* Hw manuals number them 1..7! */ -/* - * 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 */ - -/* - * As a permanent workaround for a bug in the PI side of the hub, we've - * redefined big window 7 as small window 0. - XXX does this still apply for SN1?? - */ -#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 IIO_NUM_PRTES 8 /* Total number of PRB table entries */ - -#define ILCSR_WARM_RESET 0x100 - -/* - * 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 IIO_ICRB0_A -#define IIO_ICRB_ADDR_SHFT 2 /* Shift to get proper address */ -/* 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) - -#define TNUM_TO_WIDGET_DEV(_tnum) (_tnum & 0x7) - -/* - * 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 */ - -/* - * 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 - -/* - * Number of credits that xtalk devices should use when communicating - * with a Bedrock (depth of Bedrock's queue). - */ -#define HUB_CREDIT 4 - -/* - * Some IIO_PRB fields - */ -#define IIO_PRB_MULTI_ERR (1LL << 63) -#define IIO_PRB_SPUR_RD (1LL << 51) -#define IIO_PRB_SPUR_WR (1LL << 50) -#define IIO_PRB_RD_TO (1LL << 49) -#define IIO_PRB_ERROR (1LL << 48) - -/************************************************************************* - - Some of the IIO field masks and shifts are defined here. - This is in order to maintain compatibility in SN0 and SN1 code - -**************************************************************************/ - -/* - * ICMR register fields - * (Note: the IIO_ICMR_P_CNT and IIO_ICMR_PC_VLD from Hub are not - * present in Bedrock) - */ - -#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_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) - XXX present but not needed in bedrock? See the manual. - */ -#define IIO_IPDR_PND (1 << 4) - -/* - * IIO CRB deallocation register field masks: (IIO_ICDR) - */ -#define IIO_ICDR_PND (1 << 4) - -/* - * 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) - -/* - * IIO Incoming Error Packet Header (IIO_IIEPH1/IIO_IIEPH2) - */ -#define IIEPH1_VALID (1 << 44) -#define IIEPH1_OVERRUN (1 << 40) -#define IIEPH1_ERR_TYPE_SHFT 32 -#define IIEPH1_ERR_TYPE_MASK 0xf -#define IIEPH1_SOURCE_SHFT 20 -#define IIEPH1_SOURCE_MASK 11 -#define IIEPH1_SUPPL_SHFT 8 -#define IIEPH1_SUPPL_MASK 11 -#define IIEPH1_CMD_SHFT 0 -#define IIEPH1_CMD_MASK 7 - -#define IIEPH2_TAIL (1 << 40) -#define IIEPH2_ADDRESS_SHFT 0 -#define IIEPH2_ADDRESS_MASK 38 - -#define IIEPH1_ERR_SHORT_REQ 2 -#define IIEPH1_ERR_SHORT_REPLY 3 -#define IIEPH1_ERR_LONG_REQ 4 -#define IIEPH1_ERR_LONG_REPLY 5 - -/* - * IO Error Clear register bit field definitions - */ -#define IECLR_PI1_FWD_INT (1 << 31) /* clear PI1_FORWARD_INT in iidsr */ -#define IECLR_PI0_FWD_INT (1 << 30) /* clear PI0_FORWARD_INT in iidsr */ -#define IECLR_SPUR_RD_HDR (1 << 29) /* clear valid bit in ixss reg */ -#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 */ - -/* - * 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 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. - */ - -#ifndef __ASSEMBLY__ - -/* - * Easy access macros for CRBs, all 4 registers (A-D) - */ -typedef ii_icrb0_a_u_t icrba_t; /* what it was called on SN0/hub */ -#define a_error ii_icrb0_a_fld_s.ia_error -#define a_ecode ii_icrb0_a_fld_s.ia_errcode -#define a_lnetuce ii_icrb0_a_fld_s.ia_ln_uce -#define a_mark ii_icrb0_a_fld_s.ia_mark -#define a_xerr ii_icrb0_a_fld_s.ia_xt_err -#define a_sidn ii_icrb0_a_fld_s.ia_sidn -#define a_tnum ii_icrb0_a_fld_s.ia_tnum -#define a_addr ii_icrb0_a_fld_s.ia_addr -#define a_valid ii_icrb0_a_fld_s.ia_vld -#define a_iow ii_icrb0_a_fld_s.ia_iow -#define a_regvalue ii_icrb0_a_regval - -typedef ii_icrb0_b_u_t icrbb_t; -#define b_btenum ii_icrb0_b_fld_s.ib_bte_num -#define b_cohtrans ii_icrb0_b_fld_s.ib_ct -#define b_xtsize ii_icrb0_b_fld_s.ib_size -#define b_source ii_icrb0_b_fld_s.ib_source -#define b_imsgtype ii_icrb0_b_fld_s.ib_imsgtype -#define b_imsg ii_icrb0_b_fld_s.ib_imsg -#define b_initiator ii_icrb0_b_fld_s.ib_init -#define b_regvalue ii_icrb0_b_regval - -typedef ii_icrb0_c_u_t icrbc_t; -#define c_pricnt ii_icrb0_c_fld_s.ic_pr_cnt -#define c_pripsc ii_icrb0_c_fld_s.ic_pr_psc -#define c_bteop ii_icrb0_c_fld_s.ic_bte_op -#define c_bteaddr ii_icrb0_c_fld_s.ic_pa_be /* ic_pa_be fld has 2 names*/ -#define c_benable ii_icrb0_c_fld_s.ic_pa_be /* ic_pa_be fld has 2 names*/ -#define c_suppl ii_icrb0_c_fld_s.ic_suppl -#define c_barrop ii_icrb0_c_fld_s.ic_bo -#define c_doresp ii_icrb0_c_fld_s.ic_resprqd -#define c_gbr ii_icrb0_c_fld_s.ic_gbr -#define c_regvalue ii_icrb0_c_regval - -typedef ii_icrb0_d_u_t icrbd_t; -#define icrbd_ctxtvld ii_icrb0_d_fld_s.id_cvld -#define icrbd_toutvld ii_icrb0_d_fld_s.id_tvld -#define icrbd_context ii_icrb0_d_fld_s.id_context -#define d_regvalue ii_icrb0_d_regval - -#endif /* __ASSEMBLY__ */ - -/* 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 0xc110 -#define MAX_HUBS_PER_XBOW 2 - -#ifndef __ASSEMBLY__ -/* A few more #defines for backwards compatibility */ -#define iprb_t ii_iprb0_u_t -#define iprb_regval ii_iprb0_regval -#define iprb_mult_err ii_iprb0_fld_s.i_mult_err -#define iprb_spur_rd ii_iprb0_fld_s.i_spur_rd -#define iprb_spur_wr ii_iprb0_fld_s.i_spur_wr -#define iprb_rd_to ii_iprb0_fld_s.i_rd_to -#define iprb_ovflow ii_iprb0_fld_s.i_of_cnt -#define iprb_error ii_iprb0_fld_s.i_error -#define iprb_ff ii_iprb0_fld_s.i_f -#define iprb_mode ii_iprb0_fld_s.i_m -#define iprb_bnakctr ii_iprb0_fld_s.i_nb -#define iprb_anakctr ii_iprb0_fld_s.i_na -#define iprb_xtalkctr ii_iprb0_fld_s.i_c -#endif - -#define LNK_STAT_WORKING 0x2 - -#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) /* should be 0xFF?? */ -#define IIO_WSTAT_TXRETRY_SHFT (16) -#define IIO_WSTAT_TXRETRY_CNT(w) (((w) >> IIO_WSTAT_TXRETRY_SHFT) & \ - IIO_WSTAT_TXRETRY_MASK) - -/* Number of II perf. counters we can multiplex at once */ - -#define IO_PERF_SETS 32 - -#if __KERNEL__ -#ifndef __ASSEMBLY__ -/* XXX moved over from SN/SN0/hubio.h -- each should be checked for SN1 */ -#include <asm/sn/alenlist.h> -#include <asm/sn/dmamap.h> -#include <asm/sn/driver.h> -#include <asm/sn/xtalk/xtalk.h> - -/* Bit for the widget in inbound access register */ -#define IIO_IIWA_WIDGET(_w) ((uint64_t)(1ULL << _w)) -/* Bit for the widget in outbound access register */ -#define IIO_IOWA_WIDGET(_w) ((uint64_t)(1ULL << _w)) - -/* NOTE: The following define assumes that we are going to get - * widget numbers from 8 thru F and the device numbers within - * widget from 0 thru 7. - */ -#define IIO_IIDEM_WIDGETDEV_MASK(w, d) ((uint64_t)(1ULL << (8 * ((w) - 8) + (d)))) - -/* 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_PI_ID_SHIFT 8 -#define IIO_IIDSR_PI_ID_MASK 0x00000010 -#define IIO_IIDSR_LVL_SHIFT 0 -#define IIO_IIDSR_LVL_MASK 0x0000007f - -/* Xtalk timeout threshhold register (IIO_IXTT) */ -#define IXTT_RRSP_TO_SHFT 55 /* read response timeout */ -#define IXTT_RRSP_TO_MASK (0x1FULL << IXTT_RRSP_TO_SHFT) -#define IXTT_RRSP_PS_SHFT 32 /* read responsed TO prescalar */ -#define IXTT_RRSP_PS_MASK (0x7FFFFFULL << IXTT_RRSP_PS_SHFT) -#define IXTT_TAIL_TO_SHFT 0 /* tail timeout counter threshold */ -#define IXTT_TAIL_TO_MASK (0x3FFFFFFULL << IXTT_TAIL_TO_SHFT) - -/* - * The IO LLP control status register and widget control register - */ - -#ifdef LITTLE_ENDIAN - -typedef union hubii_wcr_u { - uint64_t wcr_reg_value; - struct { - uint64_t wcr_widget_id: 4, /* LLP crossbar credit */ - wcr_tag_mode: 1, /* Tag mode */ - wcr_rsvd1: 8, /* Reserved */ - wcr_xbar_crd: 3, /* LLP crossbar credit */ - wcr_f_bad_pkt: 1, /* Force bad llp pkt enable */ - wcr_dir_con: 1, /* widget direct connect */ - wcr_e_thresh: 5, /* elasticity threshold */ - wcr_rsvd: 41; /* unused */ - } wcr_fields_s; -} hubii_wcr_t; - -#else - -typedef union hubii_wcr_u { - uint64_t wcr_reg_value; - struct { - uint64_t 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; - -#endif - -#define iwcr_dir_con wcr_fields_s.wcr_dir_con - -/* 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 */ -#ifdef LITTLE_ENDIAN - -typedef union io_perf_sel { - uint64_t perf_sel_reg; - struct { - uint64_t perf_ippr0 : 4, - perf_ippr1 : 4, - perf_icct : 8, - perf_rsvd : 48; - } perf_sel_bits; -} io_perf_sel_t; - -#else - -typedef union io_perf_sel { - uint64_t perf_sel_reg; - struct { - uint64_t perf_rsvd : 48, - perf_icct : 8, - perf_ippr1 : 4, - perf_ippr0 : 4; - } perf_sel_bits; -} io_perf_sel_t; - -#endif - -/* io_perf_cnt is to extract the count from the hub registers. Due to - hardware problems there is only one counter, not two. */ - -#ifdef LITTLE_ENDIAN - -typedef union io_perf_cnt { - uint64_t perf_cnt; - struct { - uint64_t perf_cnt : 20, - perf_rsvd2 : 12, - perf_rsvd1 : 32; - } perf_cnt_bits; - -} io_perf_cnt_t; - -#else - -typedef union io_perf_cnt { - uint64_t perf_cnt; - struct { - uint64_t perf_rsvd1 : 32, - perf_rsvd2 : 12, - perf_cnt : 20; - } perf_cnt_bits; - -} io_perf_cnt_t; - -#endif - -#ifdef LITTLE_ENDIAN - -typedef union iprte_a { - bdrkreg_t entry; - struct { - bdrkreg_t i_rsvd_1 : 3; - bdrkreg_t i_addr : 38; - bdrkreg_t i_init : 3; - bdrkreg_t i_source : 8; - bdrkreg_t i_rsvd : 2; - bdrkreg_t i_widget : 4; - bdrkreg_t i_to_cnt : 5; - bdrkreg_t i_vld : 1; - } iprte_fields; -} iprte_a_t; - -#else - -typedef union iprte_a { - bdrkreg_t entry; - struct { - bdrkreg_t i_vld : 1; - bdrkreg_t i_to_cnt : 5; - bdrkreg_t i_widget : 4; - bdrkreg_t i_rsvd : 2; - bdrkreg_t i_source : 8; - bdrkreg_t i_init : 3; - bdrkreg_t i_addr : 38; - bdrkreg_t i_rsvd_1 : 3; - } iprte_fields; -} iprte_a_t; - -#endif - -/* PIO MANAGEMENT */ -typedef struct hub_piomap_s *hub_piomap_t; - -extern hub_piomap_t -hub_piomap_alloc(devfs_handle_t dev, /* set up mapping for this device */ - device_desc_t dev_desc, /* device descriptor */ - iopaddr_t xtalk_addr, /* map for this xtalk_addr range */ - size_t byte_count, - size_t byte_count_max, /* maximum size of a mapping */ - unsigned flags); /* defined in sys/pio.h */ - -extern void hub_piomap_free(hub_piomap_t hub_piomap); - -extern caddr_t -hub_piomap_addr(hub_piomap_t hub_piomap, /* mapping resources */ - iopaddr_t xtalk_addr, /* map for this xtalk addr */ - size_t byte_count); /* map this many bytes */ - -extern void -hub_piomap_done(hub_piomap_t hub_piomap); - -extern caddr_t -hub_piotrans_addr( devfs_handle_t dev, /* translate to this device */ - device_desc_t dev_desc, /* device descriptor */ - iopaddr_t xtalk_addr, /* Crosstalk address */ - size_t byte_count, /* map this many bytes */ - unsigned flags); /* (currently unused) */ - -/* DMA MANAGEMENT */ -typedef struct hub_dmamap_s *hub_dmamap_t; - -extern hub_dmamap_t -hub_dmamap_alloc( devfs_handle_t dev, /* set up mappings for dev */ - device_desc_t dev_desc, /* device descriptor */ - size_t byte_count_max, /* max size of a mapping */ - unsigned flags); /* defined in dma.h */ - -extern void -hub_dmamap_free(hub_dmamap_t dmamap); - -extern iopaddr_t -hub_dmamap_addr( hub_dmamap_t dmamap, /* use mapping resources */ - paddr_t paddr, /* map for this address */ - size_t byte_count); /* map this many bytes */ - -extern alenlist_t -hub_dmamap_list( hub_dmamap_t dmamap, /* use mapping resources */ - alenlist_t alenlist, /* map this Addr/Length List */ - unsigned flags); - -extern void -hub_dmamap_done( hub_dmamap_t dmamap); /* done w/ mapping resources */ - -extern iopaddr_t -hub_dmatrans_addr( devfs_handle_t dev, /* translate for this device */ - device_desc_t dev_desc, /* device descriptor */ - paddr_t paddr, /* system physical address */ - size_t byte_count, /* length */ - unsigned flags); /* defined in dma.h */ - -extern alenlist_t -hub_dmatrans_list( devfs_handle_t dev, /* translate for this device */ - device_desc_t dev_desc, /* device descriptor */ - alenlist_t palenlist, /* system addr/length list */ - unsigned flags); /* defined in dma.h */ - -extern void -hub_dmamap_drain( hub_dmamap_t map); - -extern void -hub_dmaaddr_drain( devfs_handle_t vhdl, - paddr_t addr, - size_t bytes); - -extern void -hub_dmalist_drain( devfs_handle_t vhdl, - alenlist_t list); - - -/* INTERRUPT MANAGEMENT */ -typedef struct hub_intr_s *hub_intr_t; - -extern hub_intr_t -hub_intr_alloc( devfs_handle_t dev, /* which device */ - device_desc_t dev_desc, /* device descriptor */ - devfs_handle_t owner_dev); /* owner of this interrupt */ - -extern hub_intr_t -hub_intr_alloc_nothd(devfs_handle_t dev, /* which device */ - device_desc_t dev_desc, /* device descriptor */ - devfs_handle_t owner_dev); /* owner of this interrupt */ - -extern void -hub_intr_free(hub_intr_t intr_hdl); - -extern int -hub_intr_connect( hub_intr_t intr_hdl, /* xtalk intr resource hndl */ - xtalk_intr_setfunc_t setfunc, - /* func to set intr hw */ - void *setfunc_arg); /* arg to setfunc */ - -extern void -hub_intr_disconnect(hub_intr_t intr_hdl); - -extern devfs_handle_t -hub_intr_cpu_get(hub_intr_t intr_hdl); - -/* CONFIGURATION MANAGEMENT */ - -extern void -hub_provider_startup(devfs_handle_t hub); - -extern void -hub_provider_shutdown(devfs_handle_t hub); - -#define HUB_PIO_CONVEYOR 0x1 /* PIO in conveyor belt mode */ -#define HUB_PIO_FIRE_N_FORGET 0x2 /* PIO in fire-and-forget mode */ - -/* Flags that make sense to hub_widget_flags_set */ -#define HUB_WIDGET_FLAGS ( \ - HUB_PIO_CONVEYOR | \ - HUB_PIO_FIRE_N_FORGET \ - ) - - -typedef int hub_widget_flags_t; - -/* Set the PIO mode for a widget. These two functions perform the - * same operation, but hub_device_flags_set() takes a hardware graph - * vertex while hub_widget_flags_set() takes a nasid and widget - * number. In most cases, hub_device_flags_set() should be used. - */ -extern int hub_widget_flags_set(nasid_t nasid, - xwidgetnum_t widget_num, - hub_widget_flags_t flags); - -/* Depending on the flags set take the appropriate actions */ -extern int hub_device_flags_set(devfs_handle_t widget_dev, - hub_widget_flags_t flags); - - -/* Error Handling. */ -extern int hub_ioerror_handler(devfs_handle_t, int, int, struct io_error_s *); -extern int kl_ioerror_handler(cnodeid_t, cnodeid_t, cpuid_t, - int, paddr_t, caddr_t, ioerror_mode_t); -extern void hub_widget_reset(devfs_handle_t, xwidgetnum_t); -extern int hub_error_devenable(devfs_handle_t, int, int); -extern void hub_widgetdev_enable(devfs_handle_t, int); -extern void hub_widgetdev_shutdown(devfs_handle_t, int); -extern int hub_dma_enabled(devfs_handle_t); - -#endif /* __ASSEMBLY__ */ -#endif /* _KERNEL */ -#endif /* _ASM_IA64_SN_SN1_HUBIO_NEXT_H */ |