246 lines
10 KiB
C
246 lines
10 KiB
C
/*-
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* Copyright (c) 2006 Sam Leffler, Errno Consulting
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
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* redistribution must be conditioned upon including a substantially
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* similar Disclaimer requirement for further binary redistribution.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGES.
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*
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* $FreeBSD$
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*/
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/*-
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* Copyright (c) 2001-2005, Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Intel Corporation nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef ARM_XSCALE_IXP425_QMGR_H
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#define ARM_XSCALE_IXP425_QMGR_H
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#define IX_QMGR_MAX_NUM_QUEUES 64
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#define IX_QMGR_MIN_QUEUPP_QID 32
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#define IX_QMGR_MIN_ENTRY_SIZE_IN_WORDS 16
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/* Total size of SRAM */
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#define IX_QMGR_AQM_SRAM_SIZE_IN_BYTES 0x4000
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#define IX_QMGR_Q_PRIORITY_0 0
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#define IX_QMGR_Q_PRIORITY_1 1
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#define IX_QMGR_Q_PRIORITY_2 2
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#define IX_QMGR_NUM_PRIORITY_LEVELS 3 /* number of priority levels */
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#define IX_QMGR_Q_STATUS_E_BIT_MASK 0x1 /* Empty */
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#define IX_QMGR_Q_STATUS_NE_BIT_MASK 0x2 /* Nearly Empty */
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#define IX_QMGR_Q_STATUS_NF_BIT_MASK 0x4 /* Nearly Full */
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#define IX_QMGR_Q_STATUS_F_BIT_MASK 0x8 /* Full */
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#define IX_QMGR_Q_STATUS_UF_BIT_MASK 0x10 /* Underflow */
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#define IX_QMGR_Q_STATUS_OF_BIT_MASK 0x20 /* Overflow */
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#define IX_QMGR_Q_SOURCE_ID_E 0 /* Q Empty after last read */
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#define IX_QMGR_Q_SOURCE_ID_NE 1 /* Q Nearly Empty after last read */
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#define IX_QMGR_Q_SOURCE_ID_NF 2 /* Q Nearly Full after last write */
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#define IX_QMGR_Q_SOURCE_ID_F 3 /* Q Full after last write */
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#define IX_QMGR_Q_SOURCE_ID_NOT_E 4 /* Q !Empty after last write */
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#define IX_QMGR_Q_SOURCE_ID_NOT_NE 5 /* Q !Nearly Empty after last write */
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#define IX_QMGR_Q_SOURCE_ID_NOT_NF 6 /* Q !Nearly Full after last read */
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#define IX_QMGR_Q_SOURCE_ID_NOT_F 7 /* Q !Full after last read */
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#define IX_QMGR_UNDERFLOW_BIT_OFFSET 0x0 /* underflow bit mask */
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#define IX_QMGR_OVERFLOW_BIT_OFFSET 0x1 /* overflow bit mask */
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#define IX_QMGR_QUEACC0_OFFSET 0x0000 /* q 0 access register */
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#define IX_QMGR_QUEACC_SIZE 0x4/*words*/
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#define IX_QMGR_QUELOWSTAT0_OFFSET 0x400 /* Q status, q's 0-7 */
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#define IX_QMGR_QUELOWSTAT1_OFFSET 0x404 /* Q status, q's 8-15 */
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#define IX_QMGR_QUELOWSTAT2_OFFSET 0x408 /* Q status, q's 16-23 */
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#define IX_QMGR_QUELOWSTAT3_OFFSET 0x40c /* Q status, q's 24-31 */
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/* Queue status register Q status bits mask */
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#define IX_QMGR_QUELOWSTAT_QUE_STS_BITS_MASK 0xF
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/* Size of queue 0-31 status register */
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#define IX_QMGR_QUELOWSTAT_SIZE 0x4 /*words*/
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#define IX_QMGR_QUELOWSTAT_NUM_QUE_PER_WORD 8 /* # status/word */
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#define IX_QMGR_QUEUOSTAT0_OFFSET 0x410 /* Q UF/OF status, q's 0-15 */
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#define IX_QMGR_QUEUOSTAT1_OFFSET 0x414 /* Q UF/OF status, q's 16-31 */
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#define IX_QMGR_QUEUOSTAT_NUM_QUE_PER_WORD 16 /* # UF/OF status/word */
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#define IX_QMGR_QUEUPPSTAT0_OFFSET 0x418 /* NE status, q's 32-63 */
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#define IX_QMGR_QUEUPPSTAT1_OFFSET 0x41c /* F status, q's 32-63 */
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#define IX_QMGR_INT0SRCSELREG0_OFFSET 0x420 /* INT src select, q's 0-7 */
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#define IX_QMGR_INT0SRCSELREG1_OFFSET 0x424 /* INT src select, q's 8-15 */
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#define IX_QMGR_INT0SRCSELREG2_OFFSET 0x428 /* INT src select, q's 16-23 */
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#define IX_QMGR_INT0SRCSELREG3_OFFSET 0x42c /* INT src select, q's 24-31 */
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#define IX_QMGR_INTSRC_NUM_QUE_PER_WORD 8 /* # INT src select/word */
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#define IX_QMGR_QUEIEREG0_OFFSET 0x430 /* INT enable, q's 0-31 */
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#define IX_QMGR_QUEIEREG1_OFFSET 0x434 /* INT enable, q's 32-63 */
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#define IX_QMGR_QINTREG0_OFFSET 0x438 /* INT status, q's 0-31 */
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#define IX_QMGR_QINTREG1_OFFSET 0x43c /* INT status, q's 32-63 */
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#define IX_QMGR_QUECONFIG_BASE_OFFSET 0x2000 /* Q config register, q 0 */
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#define IX_QMGR_QUECONFIG_SIZE 0x100 /* total size of Q config regs*/
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#define IX_QMGR_QUEBUFFER_SPACE_OFFSET 0x2100 /* start of SRAM */
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/* Total bits in a word */
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#define BITS_PER_WORD 32
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/* Size of queue buffer space */
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#define IX_QMGR_QUE_BUFFER_SPACE_SIZE 0x1F00
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/*
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* This macro will return the address of the access register for the
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* queue specified by qId
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*/
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#define IX_QMGR_Q_ACCESS_ADDR_GET(qId)\
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(((qId) * (IX_QMGR_QUEACC_SIZE * sizeof(uint32_t)))\
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+ IX_QMGR_QUEACC0_OFFSET)
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/*
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* Bit location of bit-3 of INT0SRCSELREG0 register to enabled
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* sticky interrupt register.
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*/
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#define IX_QMGR_INT0SRCSELREG0_BIT3 3
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/*
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* These defines are the bit offsets of the various fields of
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* the queue configuration register.
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*/
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#if 0
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#define IX_QMGR_Q_CONFIG_WRPTR_OFFSET 0x00
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#define IX_QMGR_Q_CONFIG_RDPTR_OFFSET 0x07
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#define IX_QMGR_Q_CONFIG_BADDR_OFFSET 0x0E
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#define IX_QMGR_Q_CONFIG_ESIZE_OFFSET 0x16
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#define IX_QMGR_Q_CONFIG_BSIZE_OFFSET 0x18
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#define IX_QMGR_Q_CONFIG_NE_OFFSET 0x1A
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#define IX_QMGR_Q_CONFIG_NF_OFFSET 0x1D
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#define IX_QMGR_NE_NF_CLEAR_MASK 0x03FFFFFF
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#define IX_QMGR_NE_MASK 0x7
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#define IX_QMGR_NF_MASK 0x7
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#define IX_QMGR_SIZE_MASK 0x3
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#define IX_QMGR_ENTRY_SIZE_MASK 0x3
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#define IX_QMGR_BADDR_MASK 0x003FC000
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#define IX_QMGR_RDPTR_MASK 0x7F
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#define IX_QMGR_WRPTR_MASK 0x7F
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#define IX_QMGR_RDWRPTR_MASK 0x00003FFF
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#else
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#define IX_QMGR_Q_CONFIG_WRPTR_OFFSET 0
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#define IX_QMGR_WRPTR_MASK 0x7F
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#define IX_QMGR_Q_CONFIG_RDPTR_OFFSET 7
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#define IX_QMGR_RDPTR_MASK 0x7F
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#define IX_QMGR_Q_CONFIG_BADDR_OFFSET 14
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#define IX_QMGR_BADDR_MASK 0x3FC000 /* XXX not used */
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#define IX_QMGR_Q_CONFIG_ESIZE_OFFSET 22
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#define IX_QMGR_ENTRY_SIZE_MASK 0x3
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#define IX_QMGR_Q_CONFIG_BSIZE_OFFSET 24
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#define IX_QMGR_SIZE_MASK 0x3
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#define IX_QMGR_Q_CONFIG_NE_OFFSET 26
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#define IX_QMGR_NE_MASK 0x7
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#define IX_QMGR_Q_CONFIG_NF_OFFSET 29
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#define IX_QMGR_NF_MASK 0x7
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#define IX_QMGR_RDWRPTR_MASK 0x00003FFF
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#define IX_QMGR_NE_NF_CLEAR_MASK 0x03FFFFFF
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#endif
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#define IX_QMGR_BASE_ADDR_16_WORD_ALIGN 64
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#define IX_QMGR_BASE_ADDR_16_WORD_SHIFT 6
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#define IX_QMGR_AQM_ADDRESS_SPACE_SIZE_IN_WORDS 0x1000
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/* Base address of AQM SRAM */
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#define IX_QMGR_AQM_SRAM_BASE_ADDRESS_OFFSET \
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((IX_QMGR_QUECONFIG_BASE_OFFSET) + (IX_QMGR_QUECONFIG_SIZE))
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/* Min buffer size used for generating buffer size in QUECONFIG */
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#define IX_QMGR_MIN_BUFFER_SIZE 16
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/* Reset values of QMgr hardware registers */
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#define IX_QMGR_QUELOWSTAT_RESET_VALUE 0x33333333
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#define IX_QMGR_QUEUOSTAT_RESET_VALUE 0x00000000
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#define IX_QMGR_QUEUPPSTAT0_RESET_VALUE 0xFFFFFFFF
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#define IX_QMGR_QUEUPPSTAT1_RESET_VALUE 0x00000000
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#define IX_QMGR_INT0SRCSELREG_RESET_VALUE 0x00000000
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#define IX_QMGR_QUEIEREG_RESET_VALUE 0x00000000
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#define IX_QMGR_QINTREG_RESET_VALUE 0xFFFFFFFF
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#define IX_QMGR_QUECONFIG_RESET_VALUE 0x00000000
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#define IX_QMGR_QUELOWSTAT_BITS_PER_Q \
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(BITS_PER_WORD/IX_QMGR_QUELOWSTAT_NUM_QUE_PER_WORD)
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#define IX_QMGR_QUELOWSTAT_QID_MASK 0x7
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#define IX_QMGR_Q_CONFIG_ADDR_GET(qId)\
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(((qId) * sizeof(uint32_t)) + IX_QMGR_QUECONFIG_BASE_OFFSET)
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#define IX_QMGR_ENTRY1_OFFSET 0
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#define IX_QMGR_ENTRY2_OFFSET 1
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#define IX_QMGR_ENTRY4_OFFSET 3
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typedef void qconfig_hand_t(int, void *);
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int ixpqmgr_qconfig(int qId, int qSizeInWords, int ne, int nf, int srcSel,
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qconfig_hand_t *cb, void *cbarg);
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int ixpqmgr_qwrite(int qId, uint32_t entry);
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int ixpqmgr_qread(int qId, uint32_t *entry);
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int ixpqmgr_qreadm(int qId, uint32_t n, uint32_t *p);
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uint32_t ixpqmgr_getqstatus(int qId);
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uint32_t ixpqmgr_getqconfig(int qId);
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void ixpqmgr_notify_enable(int qId, int srcSel);
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void ixpqmgr_notify_disable(int qId);
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void ixpqmgr_dump(void);
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#endif /* ARM_XSCALE_IXP425_QMGR_H */
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