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c13cf3714f
This patch moves header files out of the arch/ia64/sn directories and into include/asm-ia64/sn. These files were being included by other subsystems and should be under include/asm-ia64/sn. Signed-off-by: Prarit Bhargava <prarit@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
262 lines
9.6 KiB
C
262 lines
9.6 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1992 - 1997, 2000-2003 Silicon Graphics, Inc. All rights reserved.
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*/
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#ifndef _ASM_IA64_SN_PCI_PIC_H
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#define _ASM_IA64_SN_PCI_PIC_H
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/*
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* PIC AS DEVICE ZERO
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* ------------------
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*
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* PIC handles PCI/X busses. PCI/X requires that the 'bridge' (i.e. PIC)
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* be designated as 'device 0'. That is a departure from earlier SGI
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* PCI bridges. Because of that we use config space 1 to access the
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* config space of the first actual PCI device on the bus.
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* Here's what the PIC manual says:
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*
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* The current PCI-X bus specification now defines that the parent
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* hosts bus bridge (PIC for example) must be device 0 on bus 0. PIC
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* reduced the total number of devices from 8 to 4 and removed the
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* device registers and windows, now only supporting devices 0,1,2, and
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* 3. PIC did leave all 8 configuration space windows. The reason was
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* there was nothing to gain by removing them. Here in lies the problem.
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* The device numbering we do using 0 through 3 is unrelated to the device
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* numbering which PCI-X requires in configuration space. In the past we
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* correlated Configs pace and our device space 0 <-> 0, 1 <-> 1, etc.
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* PCI-X requires we start a 1, not 0 and currently the PX brick
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* does associate our:
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*
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* device 0 with configuration space window 1,
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* device 1 with configuration space window 2,
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* device 2 with configuration space window 3,
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* device 3 with configuration space window 4.
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*
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* The net effect is that all config space access are off-by-one with
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* relation to other per-slot accesses on the PIC.
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* Here is a table that shows some of that:
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*
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* Internal Slot#
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* |
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* | 0 1 2 3
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* ----------|---------------------------------------
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* config | 0x21000 0x22000 0x23000 0x24000
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* |
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* even rrb | 0[0] n/a 1[0] n/a [] == implied even/odd
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* |
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* odd rrb | n/a 0[1] n/a 1[1]
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* |
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* int dev | 00 01 10 11
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* |
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* ext slot# | 1 2 3 4
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* ----------|---------------------------------------
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*/
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#define PIC_ATE_TARGETID_SHFT 8
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#define PIC_HOST_INTR_ADDR 0x0000FFFFFFFFFFFFUL
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#define PIC_PCI64_ATTR_TARG_SHFT 60
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/*****************************************************************************
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*********************** PIC MMR structure mapping ***************************
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*****************************************************************************/
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/* NOTE: PIC WAR. PV#854697. PIC does not allow writes just to [31:0]
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* of a 64-bit register. When writing PIC registers, always write the
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* entire 64 bits.
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*/
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struct pic {
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/* 0x000000-0x00FFFF -- Local Registers */
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/* 0x000000-0x000057 -- Standard Widget Configuration */
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uint64_t p_wid_id; /* 0x000000 */
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uint64_t p_wid_stat; /* 0x000008 */
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uint64_t p_wid_err_upper; /* 0x000010 */
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uint64_t p_wid_err_lower; /* 0x000018 */
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#define p_wid_err p_wid_err_lower
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uint64_t p_wid_control; /* 0x000020 */
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uint64_t p_wid_req_timeout; /* 0x000028 */
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uint64_t p_wid_int_upper; /* 0x000030 */
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uint64_t p_wid_int_lower; /* 0x000038 */
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#define p_wid_int p_wid_int_lower
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uint64_t p_wid_err_cmdword; /* 0x000040 */
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uint64_t p_wid_llp; /* 0x000048 */
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uint64_t p_wid_tflush; /* 0x000050 */
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/* 0x000058-0x00007F -- Bridge-specific Widget Configuration */
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uint64_t p_wid_aux_err; /* 0x000058 */
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uint64_t p_wid_resp_upper; /* 0x000060 */
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uint64_t p_wid_resp_lower; /* 0x000068 */
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#define p_wid_resp p_wid_resp_lower
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uint64_t p_wid_tst_pin_ctrl; /* 0x000070 */
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uint64_t p_wid_addr_lkerr; /* 0x000078 */
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/* 0x000080-0x00008F -- PMU & MAP */
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uint64_t p_dir_map; /* 0x000080 */
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uint64_t _pad_000088; /* 0x000088 */
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/* 0x000090-0x00009F -- SSRAM */
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uint64_t p_map_fault; /* 0x000090 */
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uint64_t _pad_000098; /* 0x000098 */
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/* 0x0000A0-0x0000AF -- Arbitration */
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uint64_t p_arb; /* 0x0000A0 */
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uint64_t _pad_0000A8; /* 0x0000A8 */
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/* 0x0000B0-0x0000BF -- Number In A Can or ATE Parity Error */
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uint64_t p_ate_parity_err; /* 0x0000B0 */
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uint64_t _pad_0000B8; /* 0x0000B8 */
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/* 0x0000C0-0x0000FF -- PCI/GIO */
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uint64_t p_bus_timeout; /* 0x0000C0 */
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uint64_t p_pci_cfg; /* 0x0000C8 */
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uint64_t p_pci_err_upper; /* 0x0000D0 */
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uint64_t p_pci_err_lower; /* 0x0000D8 */
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#define p_pci_err p_pci_err_lower
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uint64_t _pad_0000E0[4]; /* 0x0000{E0..F8} */
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/* 0x000100-0x0001FF -- Interrupt */
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uint64_t p_int_status; /* 0x000100 */
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uint64_t p_int_enable; /* 0x000108 */
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uint64_t p_int_rst_stat; /* 0x000110 */
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uint64_t p_int_mode; /* 0x000118 */
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uint64_t p_int_device; /* 0x000120 */
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uint64_t p_int_host_err; /* 0x000128 */
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uint64_t p_int_addr[8]; /* 0x0001{30,,,68} */
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uint64_t p_err_int_view; /* 0x000170 */
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uint64_t p_mult_int; /* 0x000178 */
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uint64_t p_force_always[8]; /* 0x0001{80,,,B8} */
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uint64_t p_force_pin[8]; /* 0x0001{C0,,,F8} */
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/* 0x000200-0x000298 -- Device */
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uint64_t p_device[4]; /* 0x0002{00,,,18} */
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uint64_t _pad_000220[4]; /* 0x0002{20,,,38} */
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uint64_t p_wr_req_buf[4]; /* 0x0002{40,,,58} */
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uint64_t _pad_000260[4]; /* 0x0002{60,,,78} */
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uint64_t p_rrb_map[2]; /* 0x0002{80,,,88} */
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#define p_even_resp p_rrb_map[0] /* 0x000280 */
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#define p_odd_resp p_rrb_map[1] /* 0x000288 */
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uint64_t p_resp_status; /* 0x000290 */
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uint64_t p_resp_clear; /* 0x000298 */
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uint64_t _pad_0002A0[12]; /* 0x0002{A0..F8} */
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/* 0x000300-0x0003F8 -- Buffer Address Match Registers */
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struct {
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uint64_t upper; /* 0x0003{00,,,F0} */
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uint64_t lower; /* 0x0003{08,,,F8} */
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} p_buf_addr_match[16];
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/* 0x000400-0x0005FF -- Performance Monitor Registers (even only) */
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struct {
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uint64_t flush_w_touch; /* 0x000{400,,,5C0} */
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uint64_t flush_wo_touch; /* 0x000{408,,,5C8} */
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uint64_t inflight; /* 0x000{410,,,5D0} */
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uint64_t prefetch; /* 0x000{418,,,5D8} */
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uint64_t total_pci_retry; /* 0x000{420,,,5E0} */
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uint64_t max_pci_retry; /* 0x000{428,,,5E8} */
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uint64_t max_latency; /* 0x000{430,,,5F0} */
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uint64_t clear_all; /* 0x000{438,,,5F8} */
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} p_buf_count[8];
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/* 0x000600-0x0009FF -- PCI/X registers */
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uint64_t p_pcix_bus_err_addr; /* 0x000600 */
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uint64_t p_pcix_bus_err_attr; /* 0x000608 */
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uint64_t p_pcix_bus_err_data; /* 0x000610 */
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uint64_t p_pcix_pio_split_addr; /* 0x000618 */
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uint64_t p_pcix_pio_split_attr; /* 0x000620 */
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uint64_t p_pcix_dma_req_err_attr; /* 0x000628 */
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uint64_t p_pcix_dma_req_err_addr; /* 0x000630 */
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uint64_t p_pcix_timeout; /* 0x000638 */
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uint64_t _pad_000640[120]; /* 0x000{640,,,9F8} */
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/* 0x000A00-0x000BFF -- PCI/X Read&Write Buffer */
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struct {
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uint64_t p_buf_addr; /* 0x000{A00,,,AF0} */
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uint64_t p_buf_attr; /* 0X000{A08,,,AF8} */
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} p_pcix_read_buf_64[16];
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struct {
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uint64_t p_buf_addr; /* 0x000{B00,,,BE0} */
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uint64_t p_buf_attr; /* 0x000{B08,,,BE8} */
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uint64_t p_buf_valid; /* 0x000{B10,,,BF0} */
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uint64_t __pad1; /* 0x000{B18,,,BF8} */
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} p_pcix_write_buf_64[8];
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/* End of Local Registers -- Start of Address Map space */
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char _pad_000c00[0x010000 - 0x000c00];
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/* 0x010000-0x011fff -- Internal ATE RAM (Auto Parity Generation) */
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uint64_t p_int_ate_ram[1024]; /* 0x010000-0x011fff */
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/* 0x012000-0x013fff -- Internal ATE RAM (Manual Parity Generation) */
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uint64_t p_int_ate_ram_mp[1024]; /* 0x012000-0x013fff */
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char _pad_014000[0x18000 - 0x014000];
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/* 0x18000-0x197F8 -- PIC Write Request Ram */
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uint64_t p_wr_req_lower[256]; /* 0x18000 - 0x187F8 */
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uint64_t p_wr_req_upper[256]; /* 0x18800 - 0x18FF8 */
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uint64_t p_wr_req_parity[256]; /* 0x19000 - 0x197F8 */
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char _pad_019800[0x20000 - 0x019800];
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/* 0x020000-0x027FFF -- PCI Device Configuration Spaces */
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union {
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uint8_t c[0x1000 / 1]; /* 0x02{0000,,,7FFF} */
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uint16_t s[0x1000 / 2]; /* 0x02{0000,,,7FFF} */
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uint32_t l[0x1000 / 4]; /* 0x02{0000,,,7FFF} */
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uint64_t d[0x1000 / 8]; /* 0x02{0000,,,7FFF} */
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union {
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uint8_t c[0x100 / 1];
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uint16_t s[0x100 / 2];
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uint32_t l[0x100 / 4];
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uint64_t d[0x100 / 8];
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} f[8];
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} p_type0_cfg_dev[8]; /* 0x02{0000,,,7FFF} */
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/* 0x028000-0x028FFF -- PCI Type 1 Configuration Space */
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union {
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uint8_t c[0x1000 / 1]; /* 0x028000-0x029000 */
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uint16_t s[0x1000 / 2]; /* 0x028000-0x029000 */
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uint32_t l[0x1000 / 4]; /* 0x028000-0x029000 */
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uint64_t d[0x1000 / 8]; /* 0x028000-0x029000 */
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union {
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uint8_t c[0x100 / 1];
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uint16_t s[0x100 / 2];
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uint32_t l[0x100 / 4];
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uint64_t d[0x100 / 8];
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} f[8];
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} p_type1_cfg; /* 0x028000-0x029000 */
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char _pad_029000[0x030000-0x029000];
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/* 0x030000-0x030007 -- PCI Interrupt Acknowledge Cycle */
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union {
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uint8_t c[8 / 1];
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uint16_t s[8 / 2];
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uint32_t l[8 / 4];
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uint64_t d[8 / 8];
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} p_pci_iack; /* 0x030000-0x030007 */
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char _pad_030007[0x040000-0x030008];
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/* 0x040000-0x030007 -- PCIX Special Cycle */
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union {
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uint8_t c[8 / 1];
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uint16_t s[8 / 2];
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uint32_t l[8 / 4];
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uint64_t d[8 / 8];
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} p_pcix_cycle; /* 0x040000-0x040007 */
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};
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#endif /* _ASM_IA64_SN_PCI_PIC_H */
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