path: root/sys/arch/octeon/dev/cn30xxfpareg.h

/*
 * THIS FILE IS AUTOMATICALLY GENERATED
 * DONT EDIT THIS FILE
 */

/*	$OpenBSD: cn30xxfpareg.h,v 1.1 2011/06/16 11:22:30 syuu Exp $	*/

/*
 * Copyright (c) 2007 Internet Initiative Japan, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/*
 * Cavium Networks OCTEON CN30XX Hardware Reference Manual
 * CN30XX-HM-1.0
 * 6.2 FPA Registers
 */

#ifndef _CN30XXFPAREG_H_
#define _CN30XXFPAREG_H_

/* ---- register offsets */

#define	FPA_INT_SUM				0x0001180028000040ULL
#define	FPA_INT_ENB				0x0001180028000048ULL
#define	FPA_CTL_STATUS				0x0001180028000050ULL
#define	FPA_QUE0_AVAILABLE			0x0001180028000098ULL
#define	FPA_QUE1_AVAILABLE			0x00011800280000a0ULL
#define	FPA_QUE2_AVAILABLE			0x00011800280000a8ULL
#define	FPA_QUE3_AVAILABLE			0x00011800280000b0ULL
#define	FPA_QUE4_AVAILABLE			0x00011800280000b8ULL
#define	FPA_QUE5_AVAILABLE			0x00011800280000c0ULL
#define	FPA_QUE6_AVAILABLE			0x00011800280000c8ULL
#define	FPA_QUE7_AVAILABLE			0x00011800280000d0ULL
#define	FPA_WART_CTL				0x00011800280000d8ULL
#define	FPA_WART_STATUS				0x00011800280000e0ULL
#define	FPA_BIST_STATUS				0x00011800280000e8ULL
#define	FPA_QUE0_PAGE_INDEX			0x00011800280000f0ULL
#define	FPA_QUE1_PAGE_INDEX			0x00011800280000f8ULL
#define	FPA_QUE2_PAGE_INDEX			0x0001180028000100ULL
#define	FPA_QUE3_PAGE_INDEX			0x0001180028000108ULL
#define	FPA_QUE4_PAGE_INDEX			0x0001180028000110ULL
#define	FPA_QUE5_PAGE_INDEX			0x0001180028000118ULL
#define	FPA_QUE6_PAGE_INDEX			0x0001180028000120ULL
#define	FPA_QUE7_PAGE_INDEX			0x0001180028000128ULL
#define	FPA_QUE_EXP				0x0001180028000130ULL
#define	FPA_QUE_ACT				0x0001180028000138ULL

/* ---- register bit definitions */

#define	FPA_INT_SUM_XXX_63_28			0xfffffffff0000000ULL
#define	FPA_INT_SUM_Q7_PERR			0x0000000008000000ULL
#define	FPA_INT_SUM_Q7_COFF			0x0000000004000000ULL
#define	FPA_INT_SUM_Q7_UND			0x0000000002000000ULL
#define	FPA_INT_SUM_Q6_PERR			0x0000000001000000ULL
#define	FPA_INT_SUM_Q6_COFF			0x0000000000800000ULL
#define	FPA_INT_SUM_Q6_UND			0x0000000000400000ULL
#define	FPA_INT_SUM_Q5_PERR			0x0000000000200000ULL
#define	FPA_INT_SUM_Q5_COFF			0x0000000000100000ULL
#define	FPA_INT_SUM_Q5_UND			0x0000000000080000ULL
#define	FPA_INT_SUM_Q4_PERR			0x0000000000040000ULL
#define	FPA_INT_SUM_Q4_COFF			0x0000000000020000ULL
#define	FPA_INT_SUM_Q4_UND			0x0000000000010000ULL
#define	FPA_INT_SUM_Q3_PERR			0x0000000000008000ULL
#define	FPA_INT_SUM_Q3_COFF			0x0000000000004000ULL
#define	FPA_INT_SUM_Q3_UND			0x0000000000002000ULL
#define	FPA_INT_SUM_Q2_PERR			0x0000000000001000ULL
#define	FPA_INT_SUM_Q2_COFF			0x0000000000000800ULL
#define	FPA_INT_SUM_Q2_UND			0x0000000000000400ULL
#define	FPA_INT_SUM_Q1_PERR			0x0000000000000200ULL
#define	FPA_INT_SUM_Q1_COFF			0x0000000000000100ULL
#define	FPA_INT_SUM_Q1_UND			0x0000000000000080ULL
#define	FPA_INT_SUM_Q0_PERR			0x0000000000000040ULL
#define	FPA_INT_SUM_Q0_COFF			0x0000000000000020ULL
#define	FPA_INT_SUM_Q0_UND			0x0000000000000010ULL
#define	FPA_INT_SUM_FED1_DBE			0x0000000000000008ULL
#define	FPA_INT_SUM_FED1_SBE			0x0000000000000004ULL
#define	FPA_INT_SUM_FED0_DBE			0x0000000000000002ULL
#define	FPA_INT_SUM_FED0_SBE			0x0000000000000001ULL

#define	FPA_INT_ENB_XXX_63_28			0xfffffffff0000000ULL
#define	FPA_INT_ENB_Q7_PERR			0x0000000008000000ULL
#define	FPA_INT_ENB_Q7_COFF			0x0000000004000000ULL
#define	FPA_INT_ENB_Q7_UND			0x0000000002000000ULL
#define	FPA_INT_ENB_Q6_PERR			0x0000000001000000ULL
#define	FPA_INT_ENB_Q6_COFF			0x0000000000800000ULL
#define	FPA_INT_ENB_Q6_UND			0x0000000000400000ULL
#define	FPA_INT_ENB_Q5_PERR			0x0000000000200000ULL
#define	FPA_INT_ENB_Q5_COFF			0x0000000000100000ULL
#define	FPA_INT_ENB_Q5_UND			0x0000000000080000ULL
#define	FPA_INT_ENB_Q4_PERR			0x0000000000040000ULL
#define	FPA_INT_ENB_Q4_COFF			0x0000000000020000ULL
#define	FPA_INT_ENB_Q4_UND			0x0000000000010000ULL
#define	FPA_INT_ENB_Q3_PERR			0x0000000000008000ULL
#define	FPA_INT_ENB_Q3_COFF			0x0000000000004000ULL
#define	FPA_INT_ENB_Q3_UND			0x0000000000002000ULL
#define	FPA_INT_ENB_Q2_PERR			0x0000000000001000ULL
#define	FPA_INT_ENB_Q2_COFF			0x0000000000000800ULL
#define	FPA_INT_ENB_Q2_UND			0x0000000000000400ULL
#define	FPA_INT_ENB_Q1_PERR			0x0000000000000200ULL
#define	FPA_INT_ENB_Q1_COFF			0x0000000000000100ULL
#define	FPA_INT_ENB_Q1_UND			0x0000000000000080ULL
#define	FPA_INT_ENB_Q0_PERR			0x0000000000000040ULL
#define	FPA_INT_ENB_Q0_COFF			0x0000000000000020ULL
#define	FPA_INT_ENB_Q0_UND			0x0000000000000010ULL
#define	FPA_INT_ENB_FED1_DBE			0x0000000000000008ULL
#define	FPA_INT_ENB_FED1_SBE			0x0000000000000004ULL
#define	FPA_INT_ENB_FED0_DBE			0x0000000000000002ULL
#define	FPA_INT_ENB_FED0_SBE			0x0000000000000001ULL

#define	FPA_CTL_STATUS_XXX_63_18		0xfffffffffffc0000ULL
#define	FPA_CTL_STATUS_RESET			0x0000000000020000ULL
#define	FPA_CTL_STATUS_USE_LDT			0x0000000000010000ULL
#define	FPA_CTL_STATUS_USE_STT			0x0000000000008000ULL
#define	FPA_CTL_STATUS_ENB			0x0000000000004000ULL
#define	FPA_CTL_STATUS_MEM1_ERR			0x0000000000003f80ULL
#define	FPA_CTL_STATUS_MEM0_ERR			0x000000000000007fULL

#define	FPA_QUEX_AVAILABLE_XXX_63_29		0xffffffffe0000000ULL
#define	FPA_QUEX_AVAILABLE_QUE_SIZ		0x000000001fffffffULL

#define	FPA_WART_CTL_XXX_63_16			0xffffffffffff0000ULL
#define	FPA_WART_CTL_CTL			0x000000000000ffffULL

#define	FPA_WART_STATUS_XXX_63_32		0xffffffff00000000ULL
#define	FPA_WART_STATUS_STATUS			0x00000000ffffffffULL

#define	FPA_BIST_STATUS_XXX_63_5		0xffffffffffffffe0ULL
#define	FPA_BIST_STATUS_FRD			0x0000000000000010ULL
#define	FPA_BIST_STATUS_FPF0			0x0000000000000008ULL
#define	FPA_BIST_STATUS_FPF1			0x0000000000000004ULL
#define	FPA_BIST_STATUS_FFR			0x0000000000000002ULL
#define	FPA_BIST_STATUS_FDR			0x0000000000000001ULL

#define	FPA_QUEX_PAGE_INDEX_XXX_63_25		0xfffffffffe000000ULL
#define	FPA_QUEX_PAGE_INDEX_PG_NUM		0x0000000001ffffffULL

#define	FPA_QUE_EXP_XXX_63_32			0xffffffff00000000ULL
#define	FPA_QUE_EXP_XXX_31_29			0x00000000e0000000ULL
#define	FPA_QUE_EXP_EXP_QUE			0x000000001c000000ULL
#define	FPA_QUE_EXP_EXP_INDX			0x0000000003ffffffULL

#define	FPA_QUE_ACT_XXX_63_32			0xffffffff00000000ULL
#define	FPA_QUE_ACT_XXX_31_29			0x00000000e0000000ULL
#define	FPA_QUE_ACT_ACT_QUE			0x000000001c000000ULL
#define	FPA_QUE_ACT_ACT_INDX			0x0000000003ffffffULL

/* ---- bitmask_snprintf(9) */

#define	FPA_INT_SUM_BITS \
	"\177"		/* new format */ \
	"\177"		/* seil ext */ \
	"\020"		/* hex display */ \
	"\020"		/* %016x format */ \
	"b\x1b"		"Q7_PERR\0" \
	"b\x1a"		"Q7_COFF\0" \
	"b\x19"		"Q7_UND\0" \
	"b\x18"		"Q6_PERR\0" \
	"b\x17"		"Q6_COFF\0" \
	"b\x16"		"Q6_UND\0" \
	"b\x15"		"Q5_PERR\0" \
	"b\x14"		"Q5_COFF\0" \
	"b\x13"		"Q5_UND\0" \
	"b\x12"		"Q4_PERR\0" \
	"b\x11"		"Q4_COFF\0" \
	"b\x10"		"Q4_UND\0" \
	"b\x0f"		"Q3_PERR\0" \
	"b\x0e"		"Q3_COFF\0" \
	"b\x0d"		"Q3_UND\0" \
	"b\x0c"		"Q2_PERR\0" \
	"b\x0b"		"Q2_COFF\0" \
	"b\x0a"		"Q2_UND\0" \
	"b\x09"		"Q1_PERR\0" \
	"b\x08"		"Q1_COFF\0" \
	"b\x07"		"Q1_UND\0" \
	"b\x06"		"Q0_PERR\0" \
	"b\x05"		"Q0_COFF\0" \
	"b\x04"		"Q0_UND\0" \
	"b\x03"		"FED1_DBE\0" \
	"b\x02"		"FED1_SBE\0" \
	"b\x01"		"FED0_DBE\0" \
	"b\x00"		"FED0_SBE\0"

#define	FPA_INT_ENB_BITS \
	"\177"		/* new format */ \
	"\177"		/* seil ext */ \
	"\020"		/* hex display */ \
	"\020"		/* %016x format */ \
	"b\x1b"		"Q7_PERR\0" \
	"b\x1a"		"Q7_COFF\0" \
	"b\x19"		"Q7_UND\0" \
	"b\x18"		"Q6_PERR\0" \
	"b\x17"		"Q6_COFF\0" \
	"b\x16"		"Q6_UND\0" \
	"b\x15"		"Q5_PERR\0" \
	"b\x14"		"Q5_COFF\0" \
	"b\x13"		"Q5_UND\0" \
	"b\x12"		"Q4_PERR\0" \
	"b\x11"		"Q4_COFF\0" \
	"b\x10"		"Q4_UND\0" \
	"b\x0f"		"Q3_PERR\0" \
	"b\x0e"		"Q3_COFF\0" \
	"b\x0d"		"Q3_UND\0" \
	"b\x0c"		"Q2_PERR\0" \
	"b\x0b"		"Q2_COFF\0" \
	"b\x0a"		"Q2_UND\0" \
	"b\x09"		"Q1_PERR\0" \
	"b\x08"		"Q1_COFF\0" \
	"b\x07"		"Q1_UND\0" \
	"b\x06"		"Q0_PERR\0" \
	"b\x05"		"Q0_COFF\0" \
	"b\x04"		"Q0_UND\0" \
	"b\x03"		"FED1_DBE\0" \
	"b\x02"		"FED1_SBE\0" \
	"b\x01"		"FED0_DBE\0" \
	"b\x00"		"FED0_SBE\0"

#define	FPA_CTL_STATUS_BITS \
	"\177"		/* new format */ \
	"\177"		/* seil ext */ \
	"\020"		/* hex display */ \
	"\020"		/* %016x format */ \
	"b\x11"		"RESET\0" \
	"b\x10"		"USE_LDT\0" \
	"b\x0f"		"USE_STT\0" \
	"b\x0e"		"ENB\0" \
	"f\x07\x07"	"MEM1_ERR\0" \
	"f\x00\x07"	"MEM0_ERR\0"

#define	FPA_QUEX_AVAILABLE_BITS \
	"\177"		/* new format */ \
	"\177"		/* seil ext */ \
	"\020"		/* hex display */ \
	"\020"		/* %016x format */ \
	"f\x00\x1d"	"QUE_SIZ\0"
#define	FPA_QUE0_AVAILABLE_BITS			FPA_QUEX_AVAILABLE_BITS
#define	FPA_QUE1_AVAILABLE_BITS			FPA_QUEX_AVAILABLE_BITS
#define	FPA_QUE2_AVAILABLE_BITS			FPA_QUEX_AVAILABLE_BITS
#define	FPA_QUE3_AVAILABLE_BITS			FPA_QUEX_AVAILABLE_BITS
#define	FPA_QUE4_AVAILABLE_BITS			FPA_QUEX_AVAILABLE_BITS
#define	FPA_QUE5_AVAILABLE_BITS			FPA_QUEX_AVAILABLE_BITS
#define	FPA_QUE6_AVAILABLE_BITS			FPA_QUEX_AVAILABLE_BITS
#define	FPA_QUE7_AVAILABLE_BITS			FPA_QUEX_AVAILABLE_BITS

#define	FPA_WART_CTL_BITS \
	"\177"		/* new format */ \
	"\177"		/* seil ext */ \
	"\020"		/* hex display */ \
	"\020"		/* %016x format */ \
	"f\x00\x10"	"CTL\0"

#define	FPA_WART_STATUS_BITS \
	"\177"		/* new format */ \
	"\177"		/* seil ext */ \
	"\020"		/* hex display */ \
	"\020"		/* %016x format */ \
	"f\x00\x20"	"STATUS\0"

#define	FPA_BIST_STATUS_BITS \
	"\177"		/* new format */ \
	"\177"		/* seil ext */ \
	"\020"		/* hex display */ \
	"\020"		/* %016x format */ \
	"b\x04"		"FRD\0" \
	"b\x03"		"FPF0\0" \
	"b\x02"		"FPF1\0" \
	"b\x01"		"FFR\0" \
	"b\x00"		"FDR\0"

#define	FPA_QUEX_PAGE_INDEX_BITS \
	"\177"		/* new format */ \
	"\177"		/* seil ext */ \
	"\020"		/* hex display */ \
	"\020"		/* %016x format */ \
	"f\x00\x19"	"PG_NUM\0"
#define	FPA_QUE0_PAGE_INDEX_BITS		FPA_QUEX_PAGE_INDEX_BITS
#define	FPA_QUE1_PAGE_INDEX_BITS		FPA_QUEX_PAGE_INDEX_BITS
#define	FPA_QUE2_PAGE_INDEX_BITS		FPA_QUEX_PAGE_INDEX_BITS
#define	FPA_QUE3_PAGE_INDEX_BITS		FPA_QUEX_PAGE_INDEX_BITS
#define	FPA_QUE4_PAGE_INDEX_BITS		FPA_QUEX_PAGE_INDEX_BITS
#define	FPA_QUE5_PAGE_INDEX_BITS		FPA_QUEX_PAGE_INDEX_BITS
#define	FPA_QUE6_PAGE_INDEX_BITS		FPA_QUEX_PAGE_INDEX_BITS
#define	FPA_QUE7_PAGE_INDEX_BITS		FPA_QUEX_PAGE_INDEX_BITS

#define	FPA_QUE_EXP_BITS \
	"\177"		/* new format */ \
	"\177"		/* seil ext */ \
	"\020"		/* hex display */ \
	"\020"		/* %016x format */ \
	"f\x1a\x03"	"EXP_QUE\0" \
	"f\x00\x1a"	"EXP_INDX\0"

#define	FPA_QUE_ACT_BITS \
	"\177"		/* new format */ \
	"\177"		/* seil ext */ \
	"\020"		/* hex display */ \
	"\020"		/* %016x format */ \
	"f\x1a\x03"	"ACT_QUE\0" \
	"f\x00\x1a"	"ACT_INDX\0"

/* ---- operations */

/*
 * 6.1 Free Pool Unit Operations
 */

#define	FPA_MAJORDID				0x5			/* 0b00101 */

#define	FPA_OPS_MAJORDID			0x0000f80000000000ULL
#define	 FPA_OPS_MAJORDID_SHIFT			43
#define	FPA_OPS_SUBDID				0x0000070000000000ULL
#define	 FPA_OPS_SUBDID_SHIFT			40
#define	FPA_OPS_XXX_39_0			0x000000ffffffffffULL

/* 6.1.1 Load Operations */

#define	FPA_OPS_LOAD_1				0x0001000000000000ULL
#define	FPA_OPS_LOAD_MAJORDID			0x0000f80000000000ULL
#define	FPA_OPS_LOAD_SUBDID			0x0000070000000000ULL
#define	FPA_OPS_LOAD_XXX_39_0			0x000000ffffffffffULL

/* 6.1.2 IOBDMA Operations */

#define	FPA_OPS_IOBDMA_SRCADDR			0xff00000000000000ULL
#define	FPA_OPS_IOBDMA_LEN			0x00ff000000000000ULL
#define	 FPA_OPS_IOBDMA_LEN_SHIFT		48
#define	FPA_OPS_IOBDMA_MAJORDID			0x0000f80000000000ULL
#define	FPA_OPS_IOBDMA_SUBDIR			0x0000070000000000ULL
#define	FPA_OPS_IOBDMA_XXX_39_0			0x000000ffffffffffULL

/* 6.1.3 Store Operations */

#define	FPA_OPS_STORE_1				0x0001000000000000ULL
#define	FPA_OPS_STORE_MAJORDID			0x0000f80000000000ULL
#define	FPA_OPS_STORE_SUBDID			0x0000070000000000ULL
#define	FPA_OPS_STORE_XXX_39_0			0x000000ffffffffffULL

#define	FPA_OPS_STORE_DATA_XXX_63_9		0xfffffffffffffe00ULL
#define	FPA_OPS_STORE_DATA_DWBCOUNT		0x00000000000001ffULL

/* ---- bus_space(9) */

#define	FPA_BASE				0x0001180028000000ULL
#define	FPA_SIZE				0x0200

#define	FPA_INT_SUM_OFFSET			0x0040
#define	FPA_INT_ENB_OFFSET			0x0048
#define	FPA_CTL_STATUS_OFFSET			0x0050
#define	FPA_QUE0_AVAILABLE_OFFSET		0x0098
#define	FPA_QUE1_AVAILABLE_OFFSET		0x00a0
#define	FPA_QUE2_AVAILABLE_OFFSET		0x00a8
#define	FPA_QUE3_AVAILABLE_OFFSET		0x00b0
#define	FPA_QUE4_AVAILABLE_OFFSET		0x00b8
#define	FPA_QUE5_AVAILABLE_OFFSET		0x00c0
#define	FPA_QUE6_AVAILABLE_OFFSET		0x00c8
#define	FPA_QUE7_AVAILABLE_OFFSET		0x00d0
#define	FPA_WART_CTL_OFFSET			0x00d8
#define	FPA_WART_STATUS_OFFSET			0x00e0
#define	FPA_BIST_STATUS_OFFSET			0x00e8
#define	FPA_QUE0_PAGE_INDEX_OFFSET		0x00f0
#define	FPA_QUE1_PAGE_INDEX_OFFSET		0x00f8
#define	FPA_QUE2_PAGE_INDEX_OFFSET		0x0100
#define	FPA_QUE3_PAGE_INDEX_OFFSET		0x0108
#define	FPA_QUE4_PAGE_INDEX_OFFSET		0x0110
#define	FPA_QUE5_PAGE_INDEX_OFFSET		0x0118
#define	FPA_QUE6_PAGE_INDEX_OFFSET		0x0120
#define	FPA_QUE7_PAGE_INDEX_OFFSET		0x0128
#define	FPA_QUE_EXP_OFFSET			0x0130
#define	FPA_QUE_ACT_OFFSET			0x0138

/* XXXX not use bit field */
/**
 * cvmx_fpa_ctl_status
 *
 * FPA_CTL_STATUS = FPA's Control/Status Register
 * 
 * The FPA's interrupt enable register.
 */

#if 0

#ifndef MIPS_SPACE
#define MIPS_SPACE
typedef enum {
   MIPS_SPACE_XKSEG = 3LL,
   MIPS_SPACE_XKPHYS = 2LL,
   MIPS_SPACE_XSSEG = 1LL,
   MIPS_SPACE_XUSEG = 0LL
} mips_space_t;
#endif

typedef enum {
   MIPS_XKSEG_SPACE_KSEG0 = 0LL,
   MIPS_XKSEG_SPACE_KSEG1 = 1LL,
   MIPS_XKSEG_SPACE_SSEG = 2LL,
   MIPS_XKSEG_SPACE_KSEG3 = 3LL
} mips_xkseg_space_t;

// decodes <14:13> of a kseg3 window address
typedef enum {
   OCTEON_ADD_WIN_SCR = 0L,
   OCTEON_ADD_WIN_DMA = 1L,   // see cvmx_add_win_dma_dec_t for further decode
   OCTEON_ADD_WIN_UNUSED = 2L,
   OCTEON_ADD_WIN_UNUSED2 = 3L
} octeon_add_win_dec_t;

// decode within DMA space
typedef enum {
   OCTEON_ADD_WIN_DMA_ADD = 0L,     // add store data to the write buffer entry, allocating it if necessary
   OCTEON_ADD_WIN_DMA_SENDMEM = 1L, // send out the write buffer entry to DRAM
                                     // store data must be normal DRAM memory space address in this case
   OCTEON_ADD_WIN_DMA_SENDDMA = 2L, // send out the write buffer entry as an IOBDMA command
                                     // see CVMX_ADD_WIN_DMA_SEND_DEC for data contents
   OCTEON_ADD_WIN_DMA_SENDIO = 3L,  // send out the write buffer entry as an IO write
                                     // store data must be normal IO space address in this case
   OCTEON_ADD_WIN_DMA_SENDSINGLE = 4L, // send out a single-tick command on the NCB bus
                                        // no write buffer data needed/used
} octeon_add_win_dma_dec_t;


typedef union {

   uint64_t         u64;

   struct {
      mips_space_t          R   : 2;
      uint64_t               offset :62;
   } sva; // mapped or unmapped virtual address

   struct {
      uint64_t               zeroes :33;
      uint64_t               offset :31;
   } suseg; // mapped USEG virtual addresses (typically)

   struct {
      uint64_t                ones  :33;
      mips_xkseg_space_t   sp   : 2;
      uint64_t               offset :29;
   } sxkseg; // mapped or unmapped virtual address

   struct {
      mips_space_t          R   : 2; // CVMX_MIPS_SPACE_XKPHYS in this case
      uint64_t                 cca  : 3; // ignored by octeon
      uint64_t                 mbz  :10;
      uint64_t                  pa  :49; // physical address
   } sxkphys; // physical address accessed through xkphys unmapped virtual address

   struct {
      uint64_t                 mbz  :15;
      uint64_t                is_io : 1; // if set, the address is uncached and resides on MCB bus
      uint64_t                 did  : 8; // the hardware ignores this field when is_io==0, else device ID
      uint64_t                unaddr: 4; // the hardware ignores <39:36> in Octeon I
      uint64_t               offset :36;
   } sphys; // physical address

   struct {
      uint64_t               zeroes :24; // techically, <47:40> are dont-cares
      uint64_t                unaddr: 4; // the hardware ignores <39:36> in Octeon I
      uint64_t               offset :36;
   } smem; // physical mem address

   struct {
      uint64_t                 mem_region  :2;
      uint64_t                 mbz  :13;
      uint64_t                is_io : 1; // 1 in this case
      uint64_t                 did  : 8; // the hardware ignores this field when is_io==0, else device ID
      uint64_t                unaddr: 4; // the hardware ignores <39:36> in Octeon I
      uint64_t               offset :36;
   } sio; // physical IO address

   struct {
      uint64_t                ones   : 49;
      octeon_add_win_dec_t   csrdec : 2;    // CVMX_ADD_WIN_SCR (0) in this case
      uint64_t                addr   : 13;
   } sscr; // scratchpad virtual address - accessed through a window at the end of kseg3
   // there should only be stores to IOBDMA space, no loads
   struct {
      uint64_t                ones   : 49;
      octeon_add_win_dec_t   csrdec : 2;    // CVMX_ADD_WIN_DMA (1) in this case
      uint64_t                unused2: 3;
      octeon_add_win_dma_dec_t type : 3;
      uint64_t                addr   : 7;
   } sdma; // IOBDMA virtual address - accessed through a window at the end of kseg3

   struct {
      uint64_t                didspace : 24;
      uint64_t                unused   : 40;
   } sfilldidspace;

} cn30xxfpa_addr_t;

#endif

#endif /* _CN30XXFPAREG_H_ */