sb1250_dma.h
来自「umon bootloader source code, support mip」· C头文件 代码 · 共 595 行 · 第 1/2 页
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/* *********************************************************************
* SB1250 Board Support Package
*
* DMA definitions File: sb1250_dma.h
*
* This module contains constants and macros useful for
* programming the SB1250's DMA controllers, both the data mover
* and the Ethernet DMA.
*
* SB1250 specification level: User's manual 1/02/02
*
* Author: Mitch Lichtenberg
*
*********************************************************************
*
* Copyright 2000,2001,2002,2003
* Broadcom Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
********************************************************************* */
#ifndef _SB1250_DMA_H
#define _SB1250_DMA_H
#include "sb1250_defs.h"
/* *********************************************************************
* DMA Registers
********************************************************************* */
/*
* Ethernet and Serial DMA Configuration Register 0 (Table 7-4)
* Registers: DMA_CONFIG0_MAC_x_RX_CH_0
* Registers: DMA_CONFIG0_MAC_x_TX_CH_0
* Registers: DMA_CONFIG0_SER_x_RX
* Registers: DMA_CONFIG0_SER_x_TX
*/
#define M_DMA_DROP _SB_MAKEMASK1(0)
#define M_DMA_CHAIN_SEL _SB_MAKEMASK1(1)
#define M_DMA_RESERVED1 _SB_MAKEMASK1(2)
#define S_DMA_DESC_TYPE _SB_MAKE64(1)
#define M_DMA_DESC_TYPE _SB_MAKE64(2,S_DMA_DESC_TYPE)
#define V_DMA_DESC_TYPE(x) _SB_MAKEVALUE(x,S_DMA_DESC_TYPE)
#define G_DMA_DESC_TYPE(x) _SB_GETVALUE(x,S_DMA_DESC_TYPE,M_DMA_DESC_TYPE)
#define K_DMA_DESC_TYPE_RING_AL 0
#define K_DMA_DESC_TYPE_CHAIN_AL 1
#if SIBYTE_HDR_FEATURE(1250, PASS3) || SIBYTE_HDR_FEATURE(112x, PASS1)
#define K_DMA_DESC_TYPE_RING_UAL_WI 2
#define K_DMA_DESC_TYPE_RING_UAL_RMW 3
#endif /* 1250 PASS3 || 112x PASS1 */
#define M_DMA_EOP_INT_EN _SB_MAKEMASK1(3)
#define M_DMA_HWM_INT_EN _SB_MAKEMASK1(4)
#define M_DMA_LWM_INT_EN _SB_MAKEMASK1(5)
#define M_DMA_TBX_EN _SB_MAKEMASK1(6)
#define M_DMA_TDX_EN _SB_MAKEMASK1(7)
#define S_DMA_INT_PKTCNT _SB_MAKE64(8)
#define M_DMA_INT_PKTCNT _SB_MAKEMASK(8,S_DMA_INT_PKTCNT)
#define V_DMA_INT_PKTCNT(x) _SB_MAKEVALUE(x,S_DMA_INT_PKTCNT)
#define G_DMA_INT_PKTCNT(x) _SB_GETVALUE(x,S_DMA_INT_PKTCNT,M_DMA_INT_PKTCNT)
#define S_DMA_RINGSZ _SB_MAKE64(16)
#define M_DMA_RINGSZ _SB_MAKEMASK(16,S_DMA_RINGSZ)
#define V_DMA_RINGSZ(x) _SB_MAKEVALUE(x,S_DMA_RINGSZ)
#define G_DMA_RINGSZ(x) _SB_GETVALUE(x,S_DMA_RINGSZ,M_DMA_RINGSZ)
#define S_DMA_HIGH_WATERMARK _SB_MAKE64(32)
#define M_DMA_HIGH_WATERMARK _SB_MAKEMASK(16,S_DMA_HIGH_WATERMARK)
#define V_DMA_HIGH_WATERMARK(x) _SB_MAKEVALUE(x,S_DMA_HIGH_WATERMARK)
#define G_DMA_HIGH_WATERMARK(x) _SB_GETVALUE(x,S_DMA_HIGH_WATERMARK,M_DMA_HIGH_WATERMARK)
#define S_DMA_LOW_WATERMARK _SB_MAKE64(48)
#define M_DMA_LOW_WATERMARK _SB_MAKEMASK(16,S_DMA_LOW_WATERMARK)
#define V_DMA_LOW_WATERMARK(x) _SB_MAKEVALUE(x,S_DMA_LOW_WATERMARK)
#define G_DMA_LOW_WATERMARK(x) _SB_GETVALUE(x,S_DMA_LOW_WATERMARK,M_DMA_LOW_WATERMARK)
/*
* Ethernet and Serial DMA Configuration Register 1 (Table 7-5)
* Registers: DMA_CONFIG1_MAC_x_RX_CH_0
* Registers: DMA_CONFIG1_DMA_x_TX_CH_0
* Registers: DMA_CONFIG1_SER_x_RX
* Registers: DMA_CONFIG1_SER_x_TX
*/
#define M_DMA_HDR_CF_EN _SB_MAKEMASK1(0)
#define M_DMA_ASIC_XFR_EN _SB_MAKEMASK1(1)
#define M_DMA_PRE_ADDR_EN _SB_MAKEMASK1(2)
#define M_DMA_FLOW_CTL_EN _SB_MAKEMASK1(3)
#define M_DMA_NO_DSCR_UPDT _SB_MAKEMASK1(4)
#define M_DMA_L2CA _SB_MAKEMASK1(5)
#if SIBYTE_HDR_FEATURE(1250, PASS3) || SIBYTE_HDR_FEATURE(112x, PASS1)
#define M_DMA_RX_XTRA_STATUS _SB_MAKEMASK1(6)
#define M_DMA_TX_CPU_PAUSE _SB_MAKEMASK1(6)
#define M_DMA_TX_FC_PAUSE_EN _SB_MAKEMASK1(7)
#endif /* 1250 PASS3 || 112x PASS1 */
#define M_DMA_MBZ1 _SB_MAKEMASK(6,15)
#define S_DMA_HDR_SIZE _SB_MAKE64(21)
#define M_DMA_HDR_SIZE _SB_MAKEMASK(9,S_DMA_HDR_SIZE)
#define V_DMA_HDR_SIZE(x) _SB_MAKEVALUE(x,S_DMA_HDR_SIZE)
#define G_DMA_HDR_SIZE(x) _SB_GETVALUE(x,S_DMA_HDR_SIZE,M_DMA_HDR_SIZE)
#define M_DMA_MBZ2 _SB_MAKEMASK(5,32)
#define S_DMA_ASICXFR_SIZE _SB_MAKE64(37)
#define M_DMA_ASICXFR_SIZE _SB_MAKEMASK(9,S_DMA_ASICXFR_SIZE)
#define V_DMA_ASICXFR_SIZE(x) _SB_MAKEVALUE(x,S_DMA_ASICXFR_SIZE)
#define G_DMA_ASICXFR_SIZE(x) _SB_GETVALUE(x,S_DMA_ASICXFR_SIZE,M_DMA_ASICXFR_SIZE)
#define S_DMA_INT_TIMEOUT _SB_MAKE64(48)
#define M_DMA_INT_TIMEOUT _SB_MAKEMASK(16,S_DMA_INT_TIMEOUT)
#define V_DMA_INT_TIMEOUT(x) _SB_MAKEVALUE(x,S_DMA_INT_TIMEOUT)
#define G_DMA_INT_TIMEOUT(x) _SB_GETVALUE(x,S_DMA_INT_TIMEOUT,M_DMA_INT_TIMEOUT)
/*
* Ethernet and Serial DMA Descriptor base address (Table 7-6)
*/
#define M_DMA_DSCRBASE_MBZ _SB_MAKEMASK(4,0)
/*
* ASIC Mode Base Address (Table 7-7)
*/
#define M_DMA_ASIC_BASE_MBZ _SB_MAKEMASK(20,0)
/*
* DMA Descriptor Count Registers (Table 7-8)
*/
/* No bitfields */
/*
* Current Descriptor Address Register (Table 7-11)
*/
#define S_DMA_CURDSCR_ADDR _SB_MAKE64(0)
#define M_DMA_CURDSCR_ADDR _SB_MAKEMASK(40,S_DMA_CURDSCR_ADDR)
#define S_DMA_CURDSCR_COUNT _SB_MAKE64(40)
#define M_DMA_CURDSCR_COUNT _SB_MAKEMASK(16,S_DMA_CURDSCR_COUNT)
#if SIBYTE_HDR_FEATURE(1250, PASS3) || SIBYTE_HDR_FEATURE(112x, PASS1)
#define M_DMA_TX_CH_PAUSE_ON _SB_MAKEMASK1(56)
#endif /* 1250 PASS3 || 112x PASS1 */
/*
* Receive Packet Drop Registers
*/
#if SIBYTE_HDR_FEATURE(1250, PASS3) || SIBYTE_HDR_FEATURE(112x, PASS1)
#define S_DMA_OODLOST_RX _SB_MAKE64(0)
#define M_DMA_OODLOST_RX _SB_MAKEMASK(16,S_DMA_OODLOST_RX)
#define G_DMA_OODLOST_RX(x) _SB_GETVALUE(x,S_DMA_OODLOST_RX,M_DMA_OODLOST_RX)
#define S_DMA_EOP_COUNT_RX _SB_MAKE64(16)
#define M_DMA_EOP_COUNT_RX _SB_MAKEMASK(8,S_DMA_EOP_COUNT_RX)
#define G_DMA_EOP_COUNT_RX(x) _SB_GETVALUE(x,S_DMA_EOP_COUNT_RX,M_DMA_EOP_COUNT_RX)
#endif /* 1250 PASS3 || 112x PASS1 */
/* *********************************************************************
* DMA Descriptors
********************************************************************* */
/*
* Descriptor doubleword "A" (Table 7-12)
*/
#define S_DMA_DSCRA_OFFSET _SB_MAKE64(0)
#define M_DMA_DSCRA_OFFSET _SB_MAKEMASK(5,S_DMA_DSCRA_OFFSET)
#define V_DMA_DSCRA_OFFSET(x) _SB_MAKEVALUE(x,S_DMA_DSCRA_OFFSET)
#define G_DMA_DSCRA_OFFSET(x) _SB_GETVALUE(x,S_DMA_DSCRA_OFFSET,M_DMA_DSCRA_OFFSET)
/* Note: Don't shift the address over, just mask it with the mask below */
#define S_DMA_DSCRA_A_ADDR _SB_MAKE64(5)
#define M_DMA_DSCRA_A_ADDR _SB_MAKEMASK(35,S_DMA_DSCRA_A_ADDR)
#define M_DMA_DSCRA_A_ADDR_OFFSET (M_DMA_DSCRA_OFFSET | M_DMA_DSCRA_A_ADDR)
#if SIBYTE_HDR_FEATURE(1250, PASS3) || SIBYTE_HDR_FEATURE(112x, PASS1)
#define S_DMA_DSCRA_A_ADDR_UA _SB_MAKE64(0)
#define M_DMA_DSCRA_A_ADDR_UA _SB_MAKEMASK(40,S_DMA_DSCRA_A_ADDR_UA)
#endif /* 1250 PASS3 || 112x PASS1 */
#define S_DMA_DSCRA_A_SIZE _SB_MAKE64(40)
#define M_DMA_DSCRA_A_SIZE _SB_MAKEMASK(9,S_DMA_DSCRA_A_SIZE)
#define V_DMA_DSCRA_A_SIZE(x) _SB_MAKEVALUE(x,S_DMA_DSCRA_A_SIZE)
#define G_DMA_DSCRA_A_SIZE(x) _SB_GETVALUE(x,S_DMA_DSCRA_A_SIZE,M_DMA_DSCRA_A_SIZE)
#if SIBYTE_HDR_FEATURE(1250, PASS3) || SIBYTE_HDR_FEATURE(112x, PASS1)
#define S_DMA_DSCRA_DSCR_CNT _SB_MAKE64(40)
#define M_DMA_DSCRA_DSCR_CNT _SB_MAKEMASK(8,S_DMA_DSCRA_DSCR_CNT)
#define G_DMA_DSCRA_DSCR_CNT(x) _SB_GETVALUE(x,S_DMA_DSCRA_DSCR_CNT,M_DMA_DSCRA_DSCR_CNT)
#endif /* 1250 PASS3 || 112x PASS1 */
#define M_DMA_DSCRA_INTERRUPT _SB_MAKEMASK1(49)
#define M_DMA_DSCRA_OFFSETB _SB_MAKEMASK1(50)
#define S_DMA_DSCRA_STATUS _SB_MAKE64(51)
#define M_DMA_DSCRA_STATUS _SB_MAKEMASK(13,S_DMA_DSCRA_STATUS)
#define V_DMA_DSCRA_STATUS(x) _SB_MAKEVALUE(x,S_DMA_DSCRA_STATUS)
#define G_DMA_DSCRA_STATUS(x) _SB_GETVALUE(x,S_DMA_DSCRA_STATUS,M_DMA_DSCRA_STATUS)
/*
* Descriptor doubleword "B" (Table 7-13)
*/
#define S_DMA_DSCRB_OPTIONS _SB_MAKE64(0)
#define M_DMA_DSCRB_OPTIONS _SB_MAKEMASK(4,S_DMA_DSCRB_OPTIONS)
#define V_DMA_DSCRB_OPTIONS(x) _SB_MAKEVALUE(x,S_DMA_DSCRB_OPTIONS)
#define G_DMA_DSCRB_OPTIONS(x) _SB_GETVALUE(x,S_DMA_DSCRB_OPTIONS,M_DMA_DSCRB_OPTIONS)
#if SIBYTE_HDR_FEATURE(1250, PASS3) || SIBYTE_HDR_FEATURE(112x, PASS1)
#define S_DMA_DSCRB_A_SIZE _SB_MAKE64(8)
#define M_DMA_DSCRB_A_SIZE _SB_MAKEMASK(14,S_DMA_DSCRB_A_SIZE)
#define V_DMA_DSCRB_A_SIZE(x) _SB_MAKEVALUE(x,S_DMA_DSCRB_A_SIZE)
#define G_DMA_DSCRB_A_SIZE(x) _SB_GETVALUE(x,S_DMA_DSCRB_A_SIZE,M_DMA_DSCRB_A_SIZE)
#endif /* 1250 PASS3 || 112x PASS1 */
#define R_DMA_DSCRB_ADDR _SB_MAKE64(0x10)
/* Note: Don't shift the address over, just mask it with the mask below */
#define S_DMA_DSCRB_B_ADDR _SB_MAKE64(5)
#define M_DMA_DSCRB_B_ADDR _SB_MAKEMASK(35,S_DMA_DSCRB_B_ADDR)
#define S_DMA_DSCRB_B_SIZE _SB_MAKE64(40)
#define M_DMA_DSCRB_B_SIZE _SB_MAKEMASK(9,S_DMA_DSCRB_B_SIZE)
#define V_DMA_DSCRB_B_SIZE(x) _SB_MAKEVALUE(x,S_DMA_DSCRB_B_SIZE)
#define G_DMA_DSCRB_B_SIZE(x) _SB_GETVALUE(x,S_DMA_DSCRB_B_SIZE,M_DMA_DSCRB_B_SIZE)
#define M_DMA_DSCRB_B_VALID _SB_MAKEMASK1(49)
#if SIBYTE_HDR_FEATURE(1250, PASS3) || SIBYTE_HDR_FEATURE(112x, PASS1)
#define S_DMA_DSCRB_PKT_SIZE_MSB _SB_MAKE64(48)
#define M_DMA_DSCRB_PKT_SIZE_MSB _SB_MAKEMASK(2,S_DMA_DSCRB_PKT_SIZE_MSB)
#define V_DMA_DSCRB_PKT_SIZE_MSB(x) _SB_MAKEVALUE(x,S_DMA_DSCRB_PKT_SIZE_MSB)
#define G_DMA_DSCRB_PKT_SIZE_MSB(x) _SB_GETVALUE(x,S_DMA_DSCRB_PKT_SIZE_MSB,M_DMA_DSCRB_PKT_SIZE_MSB)
#endif /* 1250 PASS3 || 112x PASS1 */
#define S_DMA_DSCRB_PKT_SIZE _SB_MAKE64(50)
#define M_DMA_DSCRB_PKT_SIZE _SB_MAKEMASK(14,S_DMA_DSCRB_PKT_SIZE)
#define V_DMA_DSCRB_PKT_SIZE(x) _SB_MAKEVALUE(x,S_DMA_DSCRB_PKT_SIZE)
#define G_DMA_DSCRB_PKT_SIZE(x) _SB_GETVALUE(x,S_DMA_DSCRB_PKT_SIZE,M_DMA_DSCRB_PKT_SIZE)
/*
* from pass2 some bits in dscr_b are also used for rx status
*/
#define S_DMA_DSCRB_STATUS _SB_MAKE64(0)
#define M_DMA_DSCRB_STATUS _SB_MAKEMASK(1,S_DMA_DSCRB_STATUS)
#define V_DMA_DSCRB_STATUS(x) _SB_MAKEVALUE(x,S_DMA_DSCRB_STATUS)
#define G_DMA_DSCRB_STATUS(x) _SB_GETVALUE(x,S_DMA_DSCRB_STATUS,M_DMA_DSCRB_STATUS)
/*
* Ethernet Descriptor Status Bits (Table 7-15)
*/
#define M_DMA_ETHRX_BADIP4CS _SB_MAKEMASK1(51)
#define M_DMA_ETHRX_DSCRERR _SB_MAKEMASK1(52)
#if SIBYTE_HDR_FEATURE(1250, PASS2) || SIBYTE_HDR_FEATURE(112x, PASS1)
/* Note: BADTCPCS is actually in DSCR_B options field */
#define M_DMA_ETHRX_BADTCPCS _SB_MAKEMASK1(0)
#endif /* 1250 PASS2 || 112x PASS1 */
#if SIBYTE_HDR_FEATURE(1250, PASS3) || SIBYTE_HDR_FEATURE(112x, PASS1)
#define M_DMA_ETH_VLAN_FLAG _SB_MAKEMASK1(1)
#define M_DMA_ETH_CRC_FLAG _SB_MAKEMASK1(2)
#endif /* 1250 PASS3 || 112x PASS1 */
#define S_DMA_ETHRX_RXCH 53
#define M_DMA_ETHRX_RXCH _SB_MAKEMASK(2,S_DMA_ETHRX_RXCH)
#define V_DMA_ETHRX_RXCH(x) _SB_MAKEVALUE(x,S_DMA_ETHRX_RXCH)
#define G_DMA_ETHRX_RXCH(x) _SB_GETVALUE(x,S_DMA_ETHRX_RXCH,M_DMA_ETHRX_RXCH)
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