forked from luck/tmp_suning_uos_patched
7f30491ccd
After moving the the include files there were a few clean-ups: 1) Some files used #include <asm-ia64/xyz.h>, changed to <asm/xyz.h> 2) Some comments alerted maintainers to look at various header files to make matching updates if certain code were to be changed. Updated these comments to use the new include paths. 3) Some header files mentioned their own names in initial comments. Just deleted these self references. Signed-off-by: Tony Luck <tony.luck@intel.com>
597 lines
20 KiB
C
597 lines
20 KiB
C
#ifndef _ASM_IA64_SN_TIO_TIOCA_H
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#define _ASM_IA64_SN_TIO_TIOCA_H
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/*
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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) 2003-2005 Silicon Graphics, Inc. All rights reserved.
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*/
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#define TIOCA_PART_NUM 0xE020
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#define TIOCA_MFGR_NUM 0x24
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#define TIOCA_REV_A 0x1
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/*
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* Register layout for TIO:CA. See below for bitmasks for each register.
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*/
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struct tioca {
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u64 ca_id; /* 0x000000 */
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u64 ca_control1; /* 0x000008 */
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u64 ca_control2; /* 0x000010 */
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u64 ca_status1; /* 0x000018 */
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u64 ca_status2; /* 0x000020 */
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u64 ca_gart_aperature; /* 0x000028 */
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u64 ca_gfx_detach; /* 0x000030 */
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u64 ca_inta_dest_addr; /* 0x000038 */
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u64 ca_intb_dest_addr; /* 0x000040 */
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u64 ca_err_int_dest_addr; /* 0x000048 */
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u64 ca_int_status; /* 0x000050 */
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u64 ca_int_status_alias; /* 0x000058 */
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u64 ca_mult_error; /* 0x000060 */
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u64 ca_mult_error_alias; /* 0x000068 */
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u64 ca_first_error; /* 0x000070 */
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u64 ca_int_mask; /* 0x000078 */
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u64 ca_crm_pkterr_type; /* 0x000080 */
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u64 ca_crm_pkterr_type_alias; /* 0x000088 */
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u64 ca_crm_ct_error_detail_1; /* 0x000090 */
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u64 ca_crm_ct_error_detail_2; /* 0x000098 */
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u64 ca_crm_tnumto; /* 0x0000A0 */
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u64 ca_gart_err; /* 0x0000A8 */
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u64 ca_pcierr_type; /* 0x0000B0 */
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u64 ca_pcierr_addr; /* 0x0000B8 */
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u64 ca_pad_0000C0[3]; /* 0x0000{C0..D0} */
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u64 ca_pci_rd_buf_flush; /* 0x0000D8 */
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u64 ca_pci_dma_addr_extn; /* 0x0000E0 */
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u64 ca_agp_dma_addr_extn; /* 0x0000E8 */
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u64 ca_force_inta; /* 0x0000F0 */
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u64 ca_force_intb; /* 0x0000F8 */
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u64 ca_debug_vector_sel; /* 0x000100 */
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u64 ca_debug_mux_core_sel; /* 0x000108 */
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u64 ca_debug_mux_pci_sel; /* 0x000110 */
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u64 ca_debug_domain_sel; /* 0x000118 */
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u64 ca_pad_000120[28]; /* 0x0001{20..F8} */
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u64 ca_gart_ptr_table; /* 0x200 */
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u64 ca_gart_tlb_addr[8]; /* 0x2{08..40} */
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};
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/*
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* Mask/shift definitions for TIO:CA registers. The convention here is
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* to mainly use the names as they appear in the "TIO AEGIS Programmers'
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* Reference" with a CA_ prefix added. Some exceptions were made to fix
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* duplicate field names or to generalize fields that are common to
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* different registers (ca_debug_mux_core_sel and ca_debug_mux_pci_sel for
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* example).
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*
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* Fields consisting of a single bit have a single #define have a single
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* macro declaration to mask the bit. Fields consisting of multiple bits
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* have two declarations: one to mask the proper bits in a register, and
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* a second with the suffix "_SHFT" to identify how far the mask needs to
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* be shifted right to get its base value.
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*/
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/* ==== ca_control1 */
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#define CA_SYS_BIG_END (1ull << 0)
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#define CA_DMA_AGP_SWAP (1ull << 1)
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#define CA_DMA_PCI_SWAP (1ull << 2)
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#define CA_PIO_IO_SWAP (1ull << 3)
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#define CA_PIO_MEM_SWAP (1ull << 4)
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#define CA_GFX_WR_SWAP (1ull << 5)
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#define CA_AGP_FW_ENABLE (1ull << 6)
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#define CA_AGP_CAL_CYCLE (0x7ull << 7)
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#define CA_AGP_CAL_CYCLE_SHFT 7
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#define CA_AGP_CAL_PRSCL_BYP (1ull << 10)
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#define CA_AGP_INIT_CAL_ENB (1ull << 11)
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#define CA_INJ_ADDR_PERR (1ull << 12)
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#define CA_INJ_DATA_PERR (1ull << 13)
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/* bits 15:14 unused */
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#define CA_PCIM_IO_NBE_AD (0x7ull << 16)
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#define CA_PCIM_IO_NBE_AD_SHFT 16
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#define CA_PCIM_FAST_BTB_ENB (1ull << 19)
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/* bits 23:20 unused */
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#define CA_PIO_ADDR_OFFSET (0xffull << 24)
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#define CA_PIO_ADDR_OFFSET_SHFT 24
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/* bits 35:32 unused */
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#define CA_AGPDMA_OP_COMBDELAY (0x1full << 36)
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#define CA_AGPDMA_OP_COMBDELAY_SHFT 36
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/* bit 41 unused */
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#define CA_AGPDMA_OP_ENB_COMBDELAY (1ull << 42)
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#define CA_PCI_INT_LPCNT (0xffull << 44)
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#define CA_PCI_INT_LPCNT_SHFT 44
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/* bits 63:52 unused */
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/* ==== ca_control2 */
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#define CA_AGP_LATENCY_TO (0xffull << 0)
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#define CA_AGP_LATENCY_TO_SHFT 0
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#define CA_PCI_LATENCY_TO (0xffull << 8)
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#define CA_PCI_LATENCY_TO_SHFT 8
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#define CA_PCI_MAX_RETRY (0x3ffull << 16)
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#define CA_PCI_MAX_RETRY_SHFT 16
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/* bits 27:26 unused */
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#define CA_RT_INT_EN (0x3ull << 28)
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#define CA_RT_INT_EN_SHFT 28
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#define CA_MSI_INT_ENB (1ull << 30)
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#define CA_PCI_ARB_ERR_ENB (1ull << 31)
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#define CA_GART_MEM_PARAM (0x3ull << 32)
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#define CA_GART_MEM_PARAM_SHFT 32
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#define CA_GART_RD_PREFETCH_ENB (1ull << 34)
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#define CA_GART_WR_PREFETCH_ENB (1ull << 35)
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#define CA_GART_FLUSH_TLB (1ull << 36)
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/* bits 39:37 unused */
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#define CA_CRM_TNUMTO_PERIOD (0x1fffull << 40)
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#define CA_CRM_TNUMTO_PERIOD_SHFT 40
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/* bits 55:53 unused */
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#define CA_CRM_TNUMTO_ENB (1ull << 56)
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#define CA_CRM_PRESCALER_BYP (1ull << 57)
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/* bits 59:58 unused */
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#define CA_CRM_MAX_CREDIT (0x7ull << 60)
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#define CA_CRM_MAX_CREDIT_SHFT 60
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/* bit 63 unused */
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/* ==== ca_status1 */
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#define CA_CORELET_ID (0x3ull << 0)
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#define CA_CORELET_ID_SHFT 0
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#define CA_INTA_N (1ull << 2)
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#define CA_INTB_N (1ull << 3)
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#define CA_CRM_CREDIT_AVAIL (0x7ull << 4)
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#define CA_CRM_CREDIT_AVAIL_SHFT 4
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/* bit 7 unused */
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#define CA_CRM_SPACE_AVAIL (0x7full << 8)
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#define CA_CRM_SPACE_AVAIL_SHFT 8
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/* bit 15 unused */
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#define CA_GART_TLB_VAL (0xffull << 16)
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#define CA_GART_TLB_VAL_SHFT 16
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/* bits 63:24 unused */
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/* ==== ca_status2 */
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#define CA_GFX_CREDIT_AVAIL (0xffull << 0)
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#define CA_GFX_CREDIT_AVAIL_SHFT 0
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#define CA_GFX_OPQ_AVAIL (0xffull << 8)
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#define CA_GFX_OPQ_AVAIL_SHFT 8
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#define CA_GFX_WRBUFF_AVAIL (0xffull << 16)
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#define CA_GFX_WRBUFF_AVAIL_SHFT 16
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#define CA_ADMA_OPQ_AVAIL (0xffull << 24)
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#define CA_ADMA_OPQ_AVAIL_SHFT 24
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#define CA_ADMA_WRBUFF_AVAIL (0xffull << 32)
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#define CA_ADMA_WRBUFF_AVAIL_SHFT 32
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#define CA_ADMA_RDBUFF_AVAIL (0x7full << 40)
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#define CA_ADMA_RDBUFF_AVAIL_SHFT 40
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#define CA_PCI_PIO_OP_STAT (1ull << 47)
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#define CA_PDMA_OPQ_AVAIL (0xfull << 48)
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#define CA_PDMA_OPQ_AVAIL_SHFT 48
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#define CA_PDMA_WRBUFF_AVAIL (0xfull << 52)
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#define CA_PDMA_WRBUFF_AVAIL_SHFT 52
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#define CA_PDMA_RDBUFF_AVAIL (0x3ull << 56)
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#define CA_PDMA_RDBUFF_AVAIL_SHFT 56
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/* bits 63:58 unused */
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/* ==== ca_gart_aperature */
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#define CA_GART_AP_ENB_AGP (1ull << 0)
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#define CA_GART_PAGE_SIZE (1ull << 1)
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#define CA_GART_AP_ENB_PCI (1ull << 2)
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/* bits 11:3 unused */
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#define CA_GART_AP_SIZE (0x3ffull << 12)
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#define CA_GART_AP_SIZE_SHFT 12
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#define CA_GART_AP_BASE (0x3ffffffffffull << 22)
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#define CA_GART_AP_BASE_SHFT 22
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/* ==== ca_inta_dest_addr
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==== ca_intb_dest_addr
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==== ca_err_int_dest_addr */
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/* bits 2:0 unused */
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#define CA_INT_DEST_ADDR (0x7ffffffffffffull << 3)
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#define CA_INT_DEST_ADDR_SHFT 3
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/* bits 55:54 unused */
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#define CA_INT_DEST_VECT (0xffull << 56)
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#define CA_INT_DEST_VECT_SHFT 56
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/* ==== ca_int_status */
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/* ==== ca_int_status_alias */
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/* ==== ca_mult_error */
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/* ==== ca_mult_error_alias */
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/* ==== ca_first_error */
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/* ==== ca_int_mask */
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#define CA_PCI_ERR (1ull << 0)
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/* bits 3:1 unused */
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#define CA_GART_FETCH_ERR (1ull << 4)
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#define CA_GFX_WR_OVFLW (1ull << 5)
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#define CA_PIO_REQ_OVFLW (1ull << 6)
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#define CA_CRM_PKTERR (1ull << 7)
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#define CA_CRM_DVERR (1ull << 8)
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#define CA_TNUMTO (1ull << 9)
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#define CA_CXM_RSP_CRED_OVFLW (1ull << 10)
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#define CA_CXM_REQ_CRED_OVFLW (1ull << 11)
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#define CA_PIO_INVALID_ADDR (1ull << 12)
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#define CA_PCI_ARB_TO (1ull << 13)
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#define CA_AGP_REQ_OFLOW (1ull << 14)
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#define CA_SBA_TYPE1_ERR (1ull << 15)
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/* bit 16 unused */
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#define CA_INTA (1ull << 17)
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#define CA_INTB (1ull << 18)
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#define CA_MULT_INTA (1ull << 19)
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#define CA_MULT_INTB (1ull << 20)
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#define CA_GFX_CREDIT_OVFLW (1ull << 21)
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/* bits 63:22 unused */
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/* ==== ca_crm_pkterr_type */
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/* ==== ca_crm_pkterr_type_alias */
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#define CA_CRM_PKTERR_SBERR_HDR (1ull << 0)
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#define CA_CRM_PKTERR_DIDN (1ull << 1)
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#define CA_CRM_PKTERR_PACTYPE (1ull << 2)
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#define CA_CRM_PKTERR_INV_TNUM (1ull << 3)
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#define CA_CRM_PKTERR_ADDR_RNG (1ull << 4)
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#define CA_CRM_PKTERR_ADDR_ALGN (1ull << 5)
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#define CA_CRM_PKTERR_HDR_PARAM (1ull << 6)
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#define CA_CRM_PKTERR_CW_ERR (1ull << 7)
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#define CA_CRM_PKTERR_SBERR_NH (1ull << 8)
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#define CA_CRM_PKTERR_EARLY_TERM (1ull << 9)
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#define CA_CRM_PKTERR_EARLY_TAIL (1ull << 10)
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#define CA_CRM_PKTERR_MSSNG_TAIL (1ull << 11)
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#define CA_CRM_PKTERR_MSSNG_HDR (1ull << 12)
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/* bits 15:13 unused */
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#define CA_FIRST_CRM_PKTERR_SBERR_HDR (1ull << 16)
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#define CA_FIRST_CRM_PKTERR_DIDN (1ull << 17)
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#define CA_FIRST_CRM_PKTERR_PACTYPE (1ull << 18)
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#define CA_FIRST_CRM_PKTERR_INV_TNUM (1ull << 19)
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#define CA_FIRST_CRM_PKTERR_ADDR_RNG (1ull << 20)
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#define CA_FIRST_CRM_PKTERR_ADDR_ALGN (1ull << 21)
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#define CA_FIRST_CRM_PKTERR_HDR_PARAM (1ull << 22)
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#define CA_FIRST_CRM_PKTERR_CW_ERR (1ull << 23)
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#define CA_FIRST_CRM_PKTERR_SBERR_NH (1ull << 24)
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#define CA_FIRST_CRM_PKTERR_EARLY_TERM (1ull << 25)
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#define CA_FIRST_CRM_PKTERR_EARLY_TAIL (1ull << 26)
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#define CA_FIRST_CRM_PKTERR_MSSNG_TAIL (1ull << 27)
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#define CA_FIRST_CRM_PKTERR_MSSNG_HDR (1ull << 28)
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/* bits 63:29 unused */
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/* ==== ca_crm_ct_error_detail_1 */
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#define CA_PKT_TYPE (0xfull << 0)
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#define CA_PKT_TYPE_SHFT 0
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#define CA_SRC_ID (0x3ull << 4)
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#define CA_SRC_ID_SHFT 4
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#define CA_DATA_SZ (0x3ull << 6)
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#define CA_DATA_SZ_SHFT 6
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#define CA_TNUM (0xffull << 8)
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#define CA_TNUM_SHFT 8
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#define CA_DW_DATA_EN (0xffull << 16)
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#define CA_DW_DATA_EN_SHFT 16
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#define CA_GFX_CRED (0xffull << 24)
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#define CA_GFX_CRED_SHFT 24
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#define CA_MEM_RD_PARAM (0x3ull << 32)
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#define CA_MEM_RD_PARAM_SHFT 32
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#define CA_PIO_OP (1ull << 34)
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#define CA_CW_ERR (1ull << 35)
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/* bits 62:36 unused */
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#define CA_VALID (1ull << 63)
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/* ==== ca_crm_ct_error_detail_2 */
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/* bits 2:0 unused */
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#define CA_PKT_ADDR (0x1fffffffffffffull << 3)
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#define CA_PKT_ADDR_SHFT 3
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/* bits 63:56 unused */
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/* ==== ca_crm_tnumto */
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#define CA_CRM_TNUMTO_VAL (0xffull << 0)
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#define CA_CRM_TNUMTO_VAL_SHFT 0
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#define CA_CRM_TNUMTO_WR (1ull << 8)
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/* bits 63:9 unused */
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/* ==== ca_gart_err */
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#define CA_GART_ERR_SOURCE (0x3ull << 0)
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#define CA_GART_ERR_SOURCE_SHFT 0
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/* bits 3:2 unused */
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#define CA_GART_ERR_ADDR (0xfffffffffull << 4)
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#define CA_GART_ERR_ADDR_SHFT 4
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/* bits 63:40 unused */
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/* ==== ca_pcierr_type */
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#define CA_PCIERR_DATA (0xffffffffull << 0)
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#define CA_PCIERR_DATA_SHFT 0
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#define CA_PCIERR_ENB (0xfull << 32)
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#define CA_PCIERR_ENB_SHFT 32
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#define CA_PCIERR_CMD (0xfull << 36)
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#define CA_PCIERR_CMD_SHFT 36
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#define CA_PCIERR_A64 (1ull << 40)
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#define CA_PCIERR_SLV_SERR (1ull << 41)
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#define CA_PCIERR_SLV_WR_PERR (1ull << 42)
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#define CA_PCIERR_SLV_RD_PERR (1ull << 43)
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#define CA_PCIERR_MST_SERR (1ull << 44)
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#define CA_PCIERR_MST_WR_PERR (1ull << 45)
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#define CA_PCIERR_MST_RD_PERR (1ull << 46)
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#define CA_PCIERR_MST_MABT (1ull << 47)
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#define CA_PCIERR_MST_TABT (1ull << 48)
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#define CA_PCIERR_MST_RETRY_TOUT (1ull << 49)
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#define CA_PCIERR_TYPES \
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(CA_PCIERR_A64|CA_PCIERR_SLV_SERR| \
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CA_PCIERR_SLV_WR_PERR|CA_PCIERR_SLV_RD_PERR| \
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CA_PCIERR_MST_SERR|CA_PCIERR_MST_WR_PERR|CA_PCIERR_MST_RD_PERR| \
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CA_PCIERR_MST_MABT|CA_PCIERR_MST_TABT|CA_PCIERR_MST_RETRY_TOUT)
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/* bits 63:50 unused */
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/* ==== ca_pci_dma_addr_extn */
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#define CA_UPPER_NODE_OFFSET (0x3full << 0)
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#define CA_UPPER_NODE_OFFSET_SHFT 0
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/* bits 7:6 unused */
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#define CA_CHIPLET_ID (0x3ull << 8)
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#define CA_CHIPLET_ID_SHFT 8
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/* bits 11:10 unused */
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#define CA_PCI_DMA_NODE_ID (0xffffull << 12)
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#define CA_PCI_DMA_NODE_ID_SHFT 12
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/* bits 27:26 unused */
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#define CA_PCI_DMA_PIO_MEM_TYPE (1ull << 28)
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/* bits 63:29 unused */
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/* ==== ca_agp_dma_addr_extn */
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/* bits 19:0 unused */
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#define CA_AGP_DMA_NODE_ID (0xffffull << 20)
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#define CA_AGP_DMA_NODE_ID_SHFT 20
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/* bits 27:26 unused */
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#define CA_AGP_DMA_PIO_MEM_TYPE (1ull << 28)
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/* bits 63:29 unused */
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/* ==== ca_debug_vector_sel */
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#define CA_DEBUG_MN_VSEL (0xfull << 0)
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#define CA_DEBUG_MN_VSEL_SHFT 0
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#define CA_DEBUG_PP_VSEL (0xfull << 4)
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#define CA_DEBUG_PP_VSEL_SHFT 4
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#define CA_DEBUG_GW_VSEL (0xfull << 8)
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#define CA_DEBUG_GW_VSEL_SHFT 8
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#define CA_DEBUG_GT_VSEL (0xfull << 12)
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#define CA_DEBUG_GT_VSEL_SHFT 12
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#define CA_DEBUG_PD_VSEL (0xfull << 16)
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#define CA_DEBUG_PD_VSEL_SHFT 16
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#define CA_DEBUG_AD_VSEL (0xfull << 20)
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#define CA_DEBUG_AD_VSEL_SHFT 20
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#define CA_DEBUG_CX_VSEL (0xfull << 24)
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#define CA_DEBUG_CX_VSEL_SHFT 24
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#define CA_DEBUG_CR_VSEL (0xfull << 28)
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#define CA_DEBUG_CR_VSEL_SHFT 28
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#define CA_DEBUG_BA_VSEL (0xfull << 32)
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#define CA_DEBUG_BA_VSEL_SHFT 32
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#define CA_DEBUG_PE_VSEL (0xfull << 36)
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#define CA_DEBUG_PE_VSEL_SHFT 36
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#define CA_DEBUG_BO_VSEL (0xfull << 40)
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#define CA_DEBUG_BO_VSEL_SHFT 40
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#define CA_DEBUG_BI_VSEL (0xfull << 44)
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#define CA_DEBUG_BI_VSEL_SHFT 44
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#define CA_DEBUG_AS_VSEL (0xfull << 48)
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#define CA_DEBUG_AS_VSEL_SHFT 48
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#define CA_DEBUG_PS_VSEL (0xfull << 52)
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#define CA_DEBUG_PS_VSEL_SHFT 52
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#define CA_DEBUG_PM_VSEL (0xfull << 56)
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#define CA_DEBUG_PM_VSEL_SHFT 56
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/* bits 63:60 unused */
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/* ==== ca_debug_mux_core_sel */
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/* ==== ca_debug_mux_pci_sel */
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#define CA_DEBUG_MSEL0 (0x7ull << 0)
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#define CA_DEBUG_MSEL0_SHFT 0
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/* bit 3 unused */
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#define CA_DEBUG_NSEL0 (0x7ull << 4)
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#define CA_DEBUG_NSEL0_SHFT 4
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/* bit 7 unused */
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#define CA_DEBUG_MSEL1 (0x7ull << 8)
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#define CA_DEBUG_MSEL1_SHFT 8
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/* bit 11 unused */
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#define CA_DEBUG_NSEL1 (0x7ull << 12)
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#define CA_DEBUG_NSEL1_SHFT 12
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/* bit 15 unused */
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#define CA_DEBUG_MSEL2 (0x7ull << 16)
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#define CA_DEBUG_MSEL2_SHFT 16
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/* bit 19 unused */
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#define CA_DEBUG_NSEL2 (0x7ull << 20)
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#define CA_DEBUG_NSEL2_SHFT 20
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/* bit 23 unused */
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#define CA_DEBUG_MSEL3 (0x7ull << 24)
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#define CA_DEBUG_MSEL3_SHFT 24
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/* bit 27 unused */
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#define CA_DEBUG_NSEL3 (0x7ull << 28)
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#define CA_DEBUG_NSEL3_SHFT 28
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/* bit 31 unused */
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#define CA_DEBUG_MSEL4 (0x7ull << 32)
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#define CA_DEBUG_MSEL4_SHFT 32
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/* bit 35 unused */
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#define CA_DEBUG_NSEL4 (0x7ull << 36)
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#define CA_DEBUG_NSEL4_SHFT 36
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/* bit 39 unused */
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#define CA_DEBUG_MSEL5 (0x7ull << 40)
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#define CA_DEBUG_MSEL5_SHFT 40
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/* bit 43 unused */
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#define CA_DEBUG_NSEL5 (0x7ull << 44)
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#define CA_DEBUG_NSEL5_SHFT 44
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/* bit 47 unused */
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#define CA_DEBUG_MSEL6 (0x7ull << 48)
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#define CA_DEBUG_MSEL6_SHFT 48
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/* bit 51 unused */
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#define CA_DEBUG_NSEL6 (0x7ull << 52)
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#define CA_DEBUG_NSEL6_SHFT 52
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/* bit 55 unused */
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#define CA_DEBUG_MSEL7 (0x7ull << 56)
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#define CA_DEBUG_MSEL7_SHFT 56
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|
/* bit 59 unused */
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#define CA_DEBUG_NSEL7 (0x7ull << 60)
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#define CA_DEBUG_NSEL7_SHFT 60
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/* bit 63 unused */
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|
|
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|
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/* ==== ca_debug_domain_sel */
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#define CA_DEBUG_DOMAIN_L (1ull << 0)
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#define CA_DEBUG_DOMAIN_H (1ull << 1)
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/* bits 63:2 unused */
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|
|
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/* ==== ca_gart_ptr_table */
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#define CA_GART_PTR_VAL (1ull << 0)
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|
/* bits 11:1 unused */
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#define CA_GART_PTR_ADDR (0xfffffffffffull << 12)
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#define CA_GART_PTR_ADDR_SHFT 12
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/* bits 63:56 unused */
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|
|
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/* ==== ca_gart_tlb_addr[0-7] */
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#define CA_GART_TLB_ADDR (0xffffffffffffffull << 0)
|
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#define CA_GART_TLB_ADDR_SHFT 0
|
|
/* bits 62:56 unused */
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#define CA_GART_TLB_ENTRY_VAL (1ull << 63)
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|
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/*
|
|
* PIO address space ranges for TIO:CA
|
|
*/
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|
|
|
/* CA internal registers */
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|
#define CA_PIO_ADMIN 0x00000000
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|
#define CA_PIO_ADMIN_LEN 0x00010000
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|
|
|
/* GFX Write Buffer - Diagnostics */
|
|
#define CA_PIO_GFX 0x00010000
|
|
#define CA_PIO_GFX_LEN 0x00010000
|
|
|
|
/* AGP DMA Write Buffer - Diagnostics */
|
|
#define CA_PIO_AGP_DMAWRITE 0x00020000
|
|
#define CA_PIO_AGP_DMAWRITE_LEN 0x00010000
|
|
|
|
/* AGP DMA READ Buffer - Diagnostics */
|
|
#define CA_PIO_AGP_DMAREAD 0x00030000
|
|
#define CA_PIO_AGP_DMAREAD_LEN 0x00010000
|
|
|
|
/* PCI Config Type 0 */
|
|
#define CA_PIO_PCI_TYPE0_CONFIG 0x01000000
|
|
#define CA_PIO_PCI_TYPE0_CONFIG_LEN 0x01000000
|
|
|
|
/* PCI Config Type 1 */
|
|
#define CA_PIO_PCI_TYPE1_CONFIG 0x02000000
|
|
#define CA_PIO_PCI_TYPE1_CONFIG_LEN 0x01000000
|
|
|
|
/* PCI I/O Cycles - mapped to PCI Address 0x00000000-0x04ffffff */
|
|
#define CA_PIO_PCI_IO 0x03000000
|
|
#define CA_PIO_PCI_IO_LEN 0x05000000
|
|
|
|
/* PCI MEM Cycles - mapped to PCI with CA_PIO_ADDR_OFFSET of ca_control1 */
|
|
/* use Fast Write if enabled and coretalk packet type is a GFX request */
|
|
#define CA_PIO_PCI_MEM_OFFSET 0x08000000
|
|
#define CA_PIO_PCI_MEM_OFFSET_LEN 0x08000000
|
|
|
|
/* PCI MEM Cycles - mapped to PCI Address 0x00000000-0xbfffffff */
|
|
/* use Fast Write if enabled and coretalk packet type is a GFX request */
|
|
#define CA_PIO_PCI_MEM 0x40000000
|
|
#define CA_PIO_PCI_MEM_LEN 0xc0000000
|
|
|
|
/*
|
|
* DMA space
|
|
*
|
|
* The CA aperature (ie. bus address range) mapped by the GART is segmented into
|
|
* two parts. The lower portion of the aperature is used for mapping 32 bit
|
|
* PCI addresses which are managed by the dma interfaces in this file. The
|
|
* upper poprtion of the aperature is used for mapping 48 bit AGP addresses.
|
|
* The AGP portion of the aperature is managed by the agpgart_be.c driver
|
|
* in drivers/linux/agp. There are ca-specific hooks in that driver to
|
|
* manipulate the gart, but management of the AGP portion of the aperature
|
|
* is the responsibility of that driver.
|
|
*
|
|
* CA allows three main types of DMA mapping:
|
|
*
|
|
* PCI 64-bit Managed by this driver
|
|
* PCI 32-bit Managed by this driver
|
|
* AGP 48-bit Managed by hooks in the /dev/agpgart driver
|
|
*
|
|
* All of the above can optionally be remapped through the GART. The following
|
|
* table lists the combinations of addressing types and GART remapping that
|
|
* is currently supported by the driver (h/w supports all, s/w limits this):
|
|
*
|
|
* PCI64 PCI32 AGP48
|
|
* GART no yes yes
|
|
* Direct yes yes no
|
|
*
|
|
* GART remapping of PCI64 is not done because there is no need to. The
|
|
* 64 bit PCI address holds all of the information necessary to target any
|
|
* memory in the system.
|
|
*
|
|
* AGP48 is always mapped through the GART. Management of the AGP48 portion
|
|
* of the aperature is the responsibility of code in the agpgart_be driver.
|
|
*
|
|
* The non-64 bit bus address space will currently be partitioned like this:
|
|
*
|
|
* 0xffff_ffff_ffff +--------
|
|
* | AGP48 direct
|
|
* | Space managed by this driver
|
|
* CA_AGP_DIRECT_BASE +--------
|
|
* | AGP GART mapped (gfx aperature)
|
|
* | Space managed by /dev/agpgart driver
|
|
* | This range is exposed to the agpgart
|
|
* | driver as the "graphics aperature"
|
|
* CA_AGP_MAPPED_BASE +-----
|
|
* | PCI GART mapped
|
|
* | Space managed by this driver
|
|
* CA_PCI32_MAPPED_BASE +----
|
|
* | PCI32 direct
|
|
* | Space managed by this driver
|
|
* 0xC000_0000 +--------
|
|
* (CA_PCI32_DIRECT_BASE)
|
|
*
|
|
* The bus address range CA_PCI32_MAPPED_BASE through CA_AGP_DIRECT_BASE
|
|
* is what we call the CA aperature. Addresses falling in this range will
|
|
* be remapped using the GART.
|
|
*
|
|
* The bus address range CA_AGP_MAPPED_BASE through CA_AGP_DIRECT_BASE
|
|
* is what we call the graphics aperature. This is a subset of the CA
|
|
* aperature and is under the control of the agpgart_be driver.
|
|
*
|
|
* CA_PCI32_MAPPED_BASE, CA_AGP_MAPPED_BASE, and CA_AGP_DIRECT_BASE are
|
|
* somewhat arbitrary values. The known constraints on choosing these is:
|
|
*
|
|
* 1) CA_AGP_DIRECT_BASE-CA_PCI32_MAPPED_BASE+1 (the CA aperature size)
|
|
* must be one of the values supported by the ca_gart_aperature register.
|
|
* Currently valid values are: 4MB through 4096MB in powers of 2 increments
|
|
*
|
|
* 2) CA_AGP_DIRECT_BASE-CA_AGP_MAPPED_BASE+1 (the gfx aperature size)
|
|
* must be in MB units since that's what the agpgart driver assumes.
|
|
*/
|
|
|
|
/*
|
|
* Define Bus DMA ranges. These are configurable (see constraints above)
|
|
* and will probably need tuning based on experience.
|
|
*/
|
|
|
|
|
|
/*
|
|
* 11/24/03
|
|
* CA has an addressing glitch w.r.t. PCI direct 32 bit DMA that makes it
|
|
* generally unusable. The problem is that for PCI direct 32
|
|
* DMA's, all 32 bits of the bus address are used to form the lower 32 bits
|
|
* of the coretalk address, and coretalk bits 38:32 come from a register.
|
|
* Since only PCI bus addresses 0xC0000000-0xFFFFFFFF (1GB) are available
|
|
* for DMA (the rest is allocated to PIO), host node addresses need to be
|
|
* such that their lower 32 bits fall in the 0xC0000000-0xffffffff range
|
|
* as well. So there can be no PCI32 direct DMA below 3GB!! For this
|
|
* reason we set the CA_PCI32_DIRECT_SIZE to 0 which essentially makes
|
|
* tioca_dma_direct32() a noop but preserves the code flow should this issue
|
|
* be fixed in a respin.
|
|
*
|
|
* For now, all PCI32 DMA's must be mapped through the GART.
|
|
*/
|
|
|
|
#define CA_PCI32_DIRECT_BASE 0xC0000000UL /* BASE not configurable */
|
|
#define CA_PCI32_DIRECT_SIZE 0x00000000UL /* 0 MB */
|
|
|
|
#define CA_PCI32_MAPPED_BASE 0xC0000000UL
|
|
#define CA_PCI32_MAPPED_SIZE 0x40000000UL /* 2GB */
|
|
|
|
#define CA_AGP_MAPPED_BASE 0x80000000UL
|
|
#define CA_AGP_MAPPED_SIZE 0x40000000UL /* 2GB */
|
|
|
|
#define CA_AGP_DIRECT_BASE 0x40000000UL /* 2GB */
|
|
#define CA_AGP_DIRECT_SIZE 0x40000000UL
|
|
|
|
#define CA_APERATURE_BASE (CA_AGP_MAPPED_BASE)
|
|
#define CA_APERATURE_SIZE (CA_AGP_MAPPED_SIZE+CA_PCI32_MAPPED_SIZE)
|
|
|
|
#endif /* _ASM_IA64_SN_TIO_TIOCA_H */
|