/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (C) 2001 Eduardo Horvath.
* Copyright (c) 2008 Marius Strobl <marius@FreeBSD.org>
* 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 AUTHOR ``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 AUTHOR 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.
*
* from: NetBSD: gemreg.h,v 1.8 2005/12/11 12:21:26 christos Exp
* from: FreeBSD: if_gemreg.h 174987 2007-12-30 01:32:03Z marius
*
* $FreeBSD$
*/
#ifndef _IF_CASREG_H
#define _IF_CASREG_H
/*
* register definitions for Sun Cassini/Cassini+ and National Semiconductor
* DP83065 Saturn Gigabit Ethernet controllers
*/
/* global resources */
#define CAS_CAW 0x0004 /* core arbitration weight */
#define CAS_INF_BURST 0x0008 /* infinite burst enable */
#define CAS_STATUS 0x000c /* interrupt status */
#define CAS_INTMASK 0x0010 /* interrupt mask */
#define CAS_CLEAR_ALIAS 0x0014 /* clear mask alias */
#define CAS_STATUS_ALIAS 0x001c /* interrupt status alias */
#define CAS_ERROR_STATUS 0x1000 /* PCI error status */
#define CAS_ERROR_MASK 0x1004 /* PCI error mask */
#define CAS_BIM_CONF 0x1008 /* BIM configuration */
#define CAS_BIM_DIAG 0x100c /* BIM diagnostic */
#define CAS_RESET 0x1010 /* software reset */
#define CAS_BIM_LDEV_OEN 0x1020 /* BIM local device output enable */
#define CAS_BIM_BUF_ADDR 0x1024 /* BIM buffer address */
#define CAS_BIM_BUF_DATA_LO 0x1028 /* BIM buffer data low */
#define CAS_BIM_BUF_DATA_HI 0x102c /* BIM buffer data high */
#define CAS_BIM_RAM_BIST 0x1030 /* BIM RAM BIST control/status */
#define CAS_PROBE_MUX_SELECT 0x1034 /* PROBE MUX SELECT */
#define CAS_INTMASK2 0x1038 /* interrupt mask 2 for INTB */
#define CAS_STATUS2 0x103c /* interrupt status 2 for INTB */
#define CAS_CLEAR_ALIAS2 0x1040 /* clear mask alias 2 for INTB */
#define CAS_STATUS_ALIAS2 0x1044 /* interrupt status alias 2 for INTB */
#define CAS_INTMASK3 0x1048 /* interrupt mask 3 for INTC */
#define CAS_STATUS3 0x104c /* interrupt status 3 for INTC */
#define CAS_CLEAR_ALIAS3 0x1050 /* clear mask alias 3 for INTC */
#define CAS_STATUS_ALIAS3 0x1054 /* interrupt status alias 3 for INTC */
#define CAS_INTMASK4 0x1058 /* interrupt mask 4 for INTD */
#define CAS_STATUS4 0x105c /* interrupt status 4 for INTD */
#define CAS_CLEAR_ALIAS4 0x1060 /* clear mask alias 4 for INTD */
#define CAS_STATUS_ALIAS4 0x1064 /* interrupt status alias 4 for INTD */
#define CAS_SATURN_PCFG 0x106c /* internal MACPHY pin configuration */
#define CAS_CAW_RX_WGHT_MASK 0x00000003 /* RX DMA factor for... */
#define CAS_CAW_RX_WGHT_SHFT 0 /* ...weighted round robin */
#define CAS_CAW_TX_WGHT_MASK 0x0000000c /* RX DMA factor for... */
#define CAS_CAW_TX_WGHT_SHFT 2 /* ...weighted round robin */
#define CAS_CAW_RR_DIS 0x00000010 /* weighted round robin dis. */
#define CAS_INF_BURST_EN 0x00000001 /* Allow bursts > cachline. */
/*
* shared interrupt bits for CAS_STATUS, CAS_INTMASK, CAS_CLEAR_ALIAS and
* CAS_STATUS_ALIAS
* Bits 0-9 of CAS_STATUS auto-clear when read. CAS_CLEAR_ALIAS specifies
* which of bits 0-9 auto-clear when reading CAS_STATUS_ALIAS.
*/
#define CAS_INTR_TX_INT_ME 0x00000001 /* Frame w/ INT_ME set sent. */
#define CAS_INTR_TX_ALL 0x00000002 /* TX frames trans. to FIFO. */
#define CAS_INTR_TX_DONE 0x00000004 /* Any TX frame transferred. */
#define CAS_INTR_TX_TAG_ERR 0x00000008 /* TX FIFO tag corrupted. */
#define CAS_INTR_RX_DONE 0x00000010 /* >=1 RX frames transferred. */
#define CAS_INTR_RX_BUF_NA 0x00000020 /* RX buffer not available */
#define CAS_INTR_RX_TAG_ERR 0x00000040 /* RX FIFO tag corrupted. */
#define CAS_INTR_RX_COMP_FULL 0x00000080 /* RX completion ring full */
#define CAS_INTR_RX_BUF_AEMPTY 0x00000100 /* RX desc. ring almost empty */
#define CAS_INTR_RX_COMP_AFULL 0x00000200 /* RX cmpl. ring almost full */
#define CAS_INTR_RX_LEN_MMATCH 0x00000400 /* length field mismatch */
#define CAS_INTR_SUMMARY 0x00001000 /* summary interrupt bit */
#define CAS_INTR_PCS_INT 0x00002000 /* PCS interrupt */
#define CAS_INTR_TX_MAC_INT 0x00004000 /* TX MAC interrupt */
#define CAS_INTR_RX_MAC_INT 0x00008000 /* RX MAC interrupt */
#define CAS_INTR_MAC_CTRL_INT 0x00010000 /* MAC control interrupt */
#define CAS_INTR_MIF 0x00020000 /* MIF interrupt */
#define CAS_INTR_PCI_ERROR_INT 0x00040000 /* PCI error interrupt */
#define CAS_STATUS_TX_COMP3_MASK 0xfff80000 /* TX completion 3 */
#define CAS_STATUS_TX_COMP3_SHFT 19
/* CAS_ERROR_STATUS and CAS_ERROR_MASK PCI error bits */
#define CAS_ERROR_DTRTO 0x00000002 /* delayed trans. timeout */
#define CAS_ERROR_OTHER 0x00000004 /* errors (see PCIR_STATUS) */
#define CAS_ERROR_DMAW_ZERO 0x00000008 /* zero count DMA write */
#define CAS_ERROR_DMAR_ZERO 0x00000010 /* zero count DMA read */
#define CAS_ERROR_RTRTO 0x00000020 /* 255 retries exceeded */
#define CAS_BIM_CONF_BD64_DIS 0x00000004 /* 64-bit mode disable */
#define CAS_BIM_CONF_M66EN 0x00000008 /* PCI clock is 66MHz (ro). */
#define CAS_BIM_CONF_BUS32_WIDE 0x00000010 /* PCI bus is 32-bit (ro). */
#define CAS_BIM_CONF_DPAR_EN 0x00000020 /* parity error intr. enable */
#define CAS_BIM_CONF_RMA_EN 0x00000040 /* master abort intr. enable */
#define CAS_BIM_CONF_RTA_EN 0x00000080 /* target abort intr. enable */
#define CAS_BIM_CONF_DIS_BIM 0x00000200 /* Stop PCI DMA transactions. */
#define CAS_BIM_CONF_BIM_DIS 0x00000400 /* BIM was stopped (ro). */
#define CAS_BIM_CONF_BLOCK_PERR 0x00000800 /* Block PERR# to PCI bus. */
#define CAS_BIM_DIAG_BRST_SM 0x0000007f /* burst ctrl. state machine */
#define CAS_BIM_DIAG_MSTR_SM 0x3fffff00
#define CAS_RESET_TX 0x00000001 /* Reset TX DMA engine. */
#define CAS_RESET_RX 0x00000002 /* Reset RX DMA engine. */
#define CAS_RESET_RSTOUT 0x00000004 /* Force PCI RSTOUT#. */
#define CAS_RESET_PCS_DIS 0x00000008 /* PCS reset disable */
#define CAS_RESET_BREQ_SM 0x00007f00 /* breq state machine */
#define CAS_RESET_PCIARB 0x00070000 /* PCI arbitration state */
#define CAS_RESET_RDPCI 0x00300000 /* read PCI state */
#define CAS_RESET_RDARB 0x00c00000 /* read arbitration state */
#define CAS_RESET_WRPCI 0x06000000 /* write PCI state */
#define CAS_RESET_WRARB 0x38000000 /* write arbitration state */
#define CAS_BIM_LDEV_OEN_PAD 0x00000001 /* addr. bus, RW and OE */
#define CAS_BIM_LDEV_OEN_PROM 0x00000002 /* PROM chip select */
#define CAS_BIM_LDEV_OEN_EXT 0x00000004 /* secondary local bus device */
#define CAS_BIM_LDEV_OEN_SOFT_0 0x00000008 /* soft. progr. ctrl. bit 0 */
#define CAS_BIM_LDEV_OEN_SOFT_1 0x00000010 /* soft. progr. ctrl. bit 1 */
#define CAS_BIM_LDEV_OEN_HWRST 0x00000020 /* hw. reset (Cassini+ only) */
#define CAS_BIM_BUF_ADDR_INDEX 0x0000003f /* buffer entry index */
#define CAS_BIM_BUF_ADDR_RDWR 0x00000040 /* 0: read, 1: write access */
#define CAS_BIM_RAM_BIST_START 0x00000001 /* Start BIST on read buffer. */
#define CAS_BIM_RAM_BIST_SUM 0x00000004 /* read buffer pass summary */
#define CAS_BIM_RAM_BIST_LO 0x00000010 /* read buf. low bank passes */
#define CAS_BIM_RAM_BIST_HI 0x00000020 /* read buf. high bank passes */
#define CAS_PROBE_MUX_SELECT_LO 0x0000000f /* P_A[7:0] */
#define CAS_PROBE_MUX_SELECT_HI 0x000000f0 /* P_A[15:8] */
#define CAS_PROBE_MUX_SELECT_SB 0x000000f0 /* txdma_wr address and size */
#define CAS_PROBE_MUX_SELECT_EN 0xf0000000 /* enable probe on P_A[15:0] */
/*
* interrupt bits for CAS_INTMASK[2-4], CAS_STATUS[2-4], CAS_CLEAR_ALIAS[2-4]
* and CAS_STATUS_ALIAS[2-4].
* CAS_STATUS[2-4] auto-clear when read. CAS_CLEAR_ALIAS[2-4] specifies which
* of bits 0-9 auto-clear when reading the corresponding CAS_STATUS_ALIAS[2-4].
*/
#define CAS_INTRN_RX_DONE 0x00000001 /* >=1 RX frames transferred. */
#define CAS_INTRN_RX_COMP_FULL 0x00000002 /* RX completion ring full */
#define CAS_INTRN_RX_COMP_AFULL 0x00000004 /* RX cmpl. ring almost full */
#define CAS_INTRN_RX_BUF_NA 0x00000008 /* RX buffer not available */
#define CAS_INTRN_RX_BUF_AEMPTY 0x00000010 /* RX desc. ring almost empty */
/* INTn enable bit for CAS_INTMASK[2-4] */
#define CAS_INTMASKN_EN 0x00000080 /* INT[B-D] enable */
#define CAS_SATURN_PCFG_TLA 0x00000001 /* PHY activity LED */
#define CAS_SATURN_PCFG_FLA 0x00000002 /* PHY 10MBit/sec LED */
#define CAS_SATURN_PCFG_CLA 0x00000004 /* PHY 100MBit/sec LED */
#define CAS_SATURN_PCFG_LLA 0x00000008 /* PHY 1000MBit/sec LED */
#define CAS_SATURN_PCFG_RLA 0x00000010 /* PHY full-duplex LED */
#define CAS_SATURN_PCFG_PDS 0x00000020 /* PHY debug mode */
#define CAS_SATURN_PCFG_MTP 0x00000080 /* test point select */
#define CAS_SATURN_PCFG_GMO 0x00000100 /* GMII observe */
#define CAS_SATURN_PCFG_FSI 0x00000200 /* freeze GMII/SERDES */
#define CAS_SATURN_PCFG_LAD 0x00000800 /* MAC LED control active low */
/* TX DMA registers */
#define CAS_TX_CONF 0x2004 /* TX configuration */
#define CAS_TX_FIFO_WR 0x2014 /* FIFO write pointer */
#define CAS_TX_FIFO_SDWR 0x2018 /* FIFO shadow write pointer */
#define CAS_TX_FIFO_RD 0x201c /* FIFO read pointer */
#define CAS_TX_FIFO_SDRD 0x2020 /* FIFO shadow read pointer */
#define CAS_TX_FIFO_PKT_CNT 0x2024 /* FIFO packet counter */
#define CAS_TX_SM1 0x2028 /* TX state machine 1 */
#define CAS_TX_SM2 0x202c /* TX state machine 2 */
#define CAS_TX_DATA_PTR_LO 0x2030 /* TX data pointer low */
#define CAS_TX_DATA_PTR_HI 0x2034 /* TX data pointer high */
#define CAS_TX_KICK1 0x2038 /* TX kick 1 */
#define CAS_TX_KICK2 0x203c /* TX kick 2 */
#define CAS_TX_KICK3 0x2040 /* TX kick 3 */
#define CAS_TX_KICK4 0x2044 /* TX kick 4 */
#define CAS_TX_COMP1 0x2048 /* TX completion 1 */
#define CAS_TX_COMP2 0x204c /* TX completion 2 */
#define CAS_TX_COMP3 0x2050 /* TX completion 3 */
#define CAS_TX_COMP4 0x2054 /* TX completion 4 */
#define CAS_TX_COMPWB_BASE_LO 0x2058 /* TX completion writeback base low */
#define CAS_TX_COMPWB_BASE_HI 0x205c /* TX completion writeback base high */
#define CAS_TX_DESC1_BASE_LO 0x2060 /* TX descriptor ring 1 base low */
#define CAS_TX_DESC1_BASE_HI 0x2064 /* TX descriptor ring 1 base high */
#define CAS_TX_DESC2_BASE_LO 0x2068 /* TX descriptor ring 2 base low */
#define CAS_TX_DESC2_BASE_HI 0x206c /* TX descriptor ring 2 base high */
#define CAS_TX_DESC3_BASE_LO 0x2070 /* TX descriptor ring 2 base low */
#define CAS_TX_DESC3_BASE_HI 0x2074 /* TX descriptor ring 2 base high */
#define CAS_TX_DESC4_BASE_LO 0x2078 /* TX descriptor ring 2 base low */
#define CAS_TX_DESC4_BASE_HI 0x207c /* TX descriptor ring 2 base high */
#define CAS_TX_MAXBURST1 0x2080 /* TX MaxBurst 1 */
#define CAS_TX_MAXBURST2 0x2084 /* TX MaxBurst 2 */
#define CAS_TX_MAXBURST3 0x2088 /* TX MaxBurst 3 */
#define CAS_TX_MAXBURST4 0x208c /* TX MaxBurst 4 */
#define CAS_TX_FIFO_ADDR 0x2104 /* TX FIFO address */
#define CAS_TX_FIFO_TAG 0x2108 /* TX FIFO tag */
#define CAS_TX_FIFO_DATA_LO 0x210c /* TX FIFO data low */
#define CAS_TX_FIFO_DATA_HI_T1 0x2110 /* TX FIFO data highT1 */
#define CAS_TX_FIFO_DATA_HI_T0 0x2114 /* TX FIFO data highT0 */
#define CAS_TX_FIFO_SIZE 0x2118 /* TX FIFO size in 64 byte multiples */
#define CAS_TX_RAM_BIST 0x211c /* TX RAM BIST control/status */
#define CAS_TX_CONF_TXDMA_EN 0x00000001 /* TX DMA enable */
#define CAS_TX_CONF_FIFO_PIO 0x00000002 /* Allow TX FIFO PIO access. */
#define CAS_TX_CONF_DESC1_MASK 0x0000003c /* TX descriptor ring 1 size */
#define CAS_TX_CONF_DESC1_SHFT 2
#define CAS_TX_CONF_DESC2_MASK 0x000003c0 /* TX descriptor ring 2 size */
#define CAS_TX_CONF_DESC2_SHFT 6
#define CAS_TX_CONF_DESC3_MASK 0x00003c00 /* TX descriptor ring 3 size */
#define CAS_TX_CONF_DESC3_SHFT 10
#define CAS_TX_CONF_DESC4_MASK 0x0003c000 /* TX descriptor ring 4 size */
#define CAS_TX_CONF_DESC4_SHFT 14
#define CAS_TX_CONF_PACED 0x00100000 /* ALL intr. on FIFO empty */
#define CAS_TX_CONF_RDPP_DIS 0x01000000 /* Should always be set. */
#define CAS_TX_CONF_COMPWB_Q1 0x02000000 /* Completion writeback... */
#define CAS_TX_CONF_COMPWB_Q2 0x04000000 /* ...happens at the end... */
#define CAS_TX_CONF_COMPWB_Q3 0x08000000 /* ...of every packet in... */
#define CAS_TX_CONF_COMPWB_Q4 0x10000000 /* ...queue n. */
#define CAS_TX_CONF_PICWB_DIS 0x20000000 /* pre-intr. compl. W/B dis. */
#define CAS_TX_CONF_CTX_MASK 0xc0000000 /* test port selection */
#define CAS_TX_CONF_CTX_SHFT 30
#define CAS_TX_COMPWB_ALIGN 2048 /* TX compl. W/B alignment */
#define CAS_TX_DESC_ALIGN 2048 /* TX descriptor alignment */
/* descriptor ring size bits for both CAS_TX_CONF and CAS_RX_CONF */
#define CAS_DESC_32 0x0 /* 32 descriptors */
#define CAS_DESC_64 0x1 /* 64 descriptors */
#define CAS_DESC_128 0x2 /* 128 descriptors */
#define CAS_DESC_256 0x3 /* 256 descriptors */
#define CAS_DESC_512 0x4 /* 512 descriptors */
#define CAS_DESC_1K 0x5 /* 1k descriptors */
#define CAS_DESC_2K 0x6 /* 2k descriptors */
#define CAS_DESC_4K 0x7 /* 4k descriptors */
#define CAS_DESC_8K 0x8 /* 8k descriptors */
#define CAS_TX_SM1_CHAIN 0x000003ff /* chaining state machine */
#define CAS_TX_SM1_CKSUM 0x00000c00 /* checksum state machine */
#define CAS_TX_SM1_TX_FIFO_LOAD 0x0003f000 /* TX FIFO load state machine */
#define CAS_TX_SM1_TX_FIFO_UNLD 0x003c0000 /* TX FIFO unload state mach. */
#define CAS_TX_SM1_CACHE_CTRL 0x03c00000 /* cache control state mach. */
#define CAS_TX_SM1_CBQARB 0x03c00000 /* CBQ arbiter state machine */
#define CAS_TX_SM2_COMPWB 0x00000007 /* compl. WB state machine */
#define CAS_TX_SM2_SUB_LOAD 0x00000038 /* sub load state machine */
#define CAS_TX_SM2_KICK 0x000000c0 /* kick state machine */
#define CAS_TX_RAM_BIST_START 0x00000001 /* Start RAM BIST process. */
#define CAS_TX_RAM_BIST_SUMMARY 0x00000002 /* All RAM okay */
#define CAS_TX_RAM_BIST_RAM32B 0x00000004 /* RAM32B okay */
#define CAS_TX_RAM_BIST_RAM33B 0x00000008 /* RAM33B okay */
#define CAS_TX_RAM_BIST_RAM32A 0x00000010 /* RAM32A okay */
#define CAS_TX_RAM_BIST_RAM33A 0x00000020 /* RAM33A okay */
#define CAS_TX_RAM_BIST_SM 0x000001c0 /* RAM BIST state machine */
/* RX DMA registers */
#define CAS_RX_CONF 0x4000 /* RX configuration */
#define CAS_RX_PSZ 0x4004 /* RX page size */
#define CAS_RX_FIFO_WR 0x4008 /* RX FIFO write pointer */
#define CAS_RX_FIFO_RD 0x400c /* RX FIFO read pointer */
#define CAS_RX_IPP_WR 0x4010 /* RX IPP FIFO write pointer */
#define CAS_RX_IPP_SDWR 0x4014 /* RX IPP FIFO shadow write pointer */
#define CAS_RX_IPP_RD 0x4018 /* RX IPP FIFO read pointer */
#define CAS_RX_DEBUG 0x401c /* RX debug */
#define CAS_RX_PTHRS 0x4020 /* RX PAUSE threshold */
#define CAS_RX_KICK 0x4024 /* RX kick */
#define CAS_RX_DESC_BASE_LO 0x4028 /* RX descriptor ring base low */
#define CAS_RX_DESC_BASE_HI 0x402c /* RX descriptor ring base high */
#define CAS_RX_COMP_BASE_LO 0x4030 /* RX completion ring base low */
#define CAS_RX_COMP_BASE_HI 0x4034 /* RX completion ring base high */
#define CAS_RX_COMP 0x4038 /* RX completion */
#define CAS_RX_COMP_HEAD 0x403c /* RX completion head */
#define CAS_RX_COMP_TAIL 0x4040 /* RX completion tail */
#define CAS_RX_BLANK 0x4044 /* RX blanking for ISR read */
#define CAS_RX_AEMPTY_THRS 0x4048 /* RX almost empty threshold */
#define CAS_RX_RED 0x4048 /* RX random early detection enable */
#define CAS_RX_FF 0x4050 /* RX FIFO fullness */
#define CAS_RX_IPP_PKT_CNT 0x4054 /* RX IPP packet counter */
#define CAS_RX_WORKING_DMA_LO 0x4058 /* RX working DMA pointer low */
#define CAS_RX_WORKING_DMA_HI 0x405c /* RX working DMA pointer high */
#define CAS_RX_BIST 0x4060 /* RX BIST */
#define CAS_RX_CTRL_FIFO_WR 0x4064 /* RX control FIFO write pointer */
#define CAS_RX_CTRL_FIFO_RD 0x4068 /* RX control FIFO read pointer */
#define CAS_RX_BLANK_ALIAS 0x406c /* RX blanking for ISR read alias */
#define CAS_RX_FIFO_ADDR 0x4080 /* RX FIFO address */
#define CAS_RX_FIFO_TAG 0x4084 /* RX FIFO tag */
#define CAS_RX_FIFO_DATA_LO 0x4088 /* RX FIFO data low */
#define CAS_RX_FIFO_DATA_HI_T0 0x408c /* RX FIFO data highT0 */
#define CAS_RX_FIFO_DATA_HI_T1 0x4090 /* RX FIFO data highT1 */
#define CAS_RX_CTRL_FIFO 0x4094 /* RX control FIFO and batching FIFO */
#define CAS_RX_CTRL_FIFO_LO 0x4098 /* RX control FIFO data low */
#define CAS_RX_CTRL_FIFO_MD 0x409c /* RX control FIFO data mid */
#define CAS_RX_CTRL_FIFO_HI 0x4100 /* RX control FIFO data high, flowID */
#define CAS_RX_IPP_ADDR 0x4104 /* RX IPP FIFO address */
#define CAS_RX_IPP_TAG 0x4108 /* RX IPP FIFO tag */
#define CAS_RX_IPP_DATA_LO 0x410c /* RX IPP FIFO data low */
#define CAS_RX_IPP_DATA_HI_T0 0x4110 /* RX IPP FIFO data highT0 */
#define CAS_RX_IPP_DATA_HI_T1 0x4114 /* RX IPP FIFO data highT1 */
#define CAS_RX_HDR_PAGE_LO 0x4118 /* RX header page pointer low */
#define CAS_RX_HDR_PAGE_HIGH 0x411c /* RX header page pointer high */
#define CAS_RX_MTU_PAGE_LO 0x4120 /* RX MTU page pointer low */
#define CAS_RX_MTU_PAGE_HIGH 0x4124 /* RX MTU page pointer high */
#define CAS_RX_REAS_DMA_ADDR 0x4128 /* RX reassembly DMA table address */
#define CAS_RX_REAS_DMA_DATA_LO 0x412c /* RX reassembly DMA table data low */
#define CAS_RX_REAS_DMA_DATA_MD 0x4130 /* RX reassembly DMA table data mid */
#define CAS_RX_REAS_DMA_DATA_HI 0x4134 /* RX reassembly DMA table data high */
/* The rest of the RX DMA registers are Cassini+/Saturn only. */
#define CAS_RX_DESC2_BASE_LO 0x4200 /* RX descriptor ring 2 base low */
#define CAS_RX_DESC2_BASE_HI 0x4204 /* RX descriptor ring 2 base high */
#define CAS_RX_COMP2_BASE_LO 0x4208 /* RX completion ring 2 base low */
#define CAS_RX_COMP2_BASE_HI 0x420c /* RX completion ring 2 base high */
#define CAS_RX_COMP3_BASE_LO 0x4210 /* RX completion ring 3 base low */
#define CAS_RX_COMP3_BASE_HI 0x4214 /* RX completion ring 3 base high */
#define CAS_RX_COMP4_BASE_LO 0x4218 /* RX completion ring 4 base low */
#define CAS_RX_COMP4_BASE_HI 0x421c /* RX completion ring 4 base high */
#define CAS_RX_KICK2 0x4220 /* RX kick 2 */
#define CAS_RX_COMP2 0x4224 /* RX completion 2 */
#define CAS_RX_COMP_HEAD2 0x4228 /* RX completion head 2 */
#define CAS_RX_COMP_TAIL2 0x422c /* RX completion tail 2 */
#define CAS_RX_COMP_HEAD3 0x4230 /* RX completion head 3 */
#define CAS_RX_COMP_TAIL3 0x4234 /* RX completion tail 3 */
#define CAS_RX_COMP_HEAD4 0x4238 /* RX completion head 4 */
#define CAS_RX_COMP_TAIL4 0x423c /* RX completion tail 4 */
#define CAS_RX_AEMPTY_THRS2 0x4048 /* RX almost empty threshold 2 */
#define CAS_RX_CONF_RXDMA_EN 0x00000001 /* RX DMA enable */
#define CAS_RX_CONF_DESC_MASK 0x0000001e /* RX descriptor ring size */
#define CAS_RX_CONF_DESC_SHFT 1
#define CAS_RX_CONF_COMP_MASK 0x000001e0 /* RX complition ring size */
#define CAS_RX_CONF_COMP_SHFT 5
#define CAS_RX_CONF_BATCH_DIS 0x00000200 /* descriptor batching dis. */
#define CAS_RX_CONF_SOFF_MASK 0x00001c00 /* swivel offset */
#define CAS_RX_CONF_SOFF_SHFT 10
/* The RX descriptor ring 2 is Cassini+/Saturn only. */
#define CAS_RX_CONF_DESC2_MASK 0x000f0000 /* RX descriptor ring 2 size */
#define CAS_RX_CONF_DESC2_SHFT 16
#define CAS_RX_CONF_COMP_128 0x0 /* 128 descriptors */
#define CAS_RX_CONF_COMP_256 0x1 /* 256 descriptors */
#define CAS_RX_CONF_COMP_512 0x2 /* 512 descriptors */
#define CAS_RX_CONF_COMP_1K 0x3 /* 1k descriptors */
#define CAS_RX_CONF_COMP_2K 0x4 /* 2k descriptors */
#define CAS_RX_CONF_COMP_4K 0x5 /* 4k descriptors */
#define CAS_RX_CONF_COMP_8K 0x6 /* 8k descriptors */
#define CAS_RX_CONF_COMP_16K 0x7 /* 16k descriptors */
#define CAS_RX_CONF_COMP_32K 0x8 /* 32k descriptors */
#define CAS_RX_PSZ_MASK 0x00000003 /* RX page size */
#define CAS_RX_PSZ_SHFT 0
#define CAS_RX_PSZ_MB_CNT_MASK 0x00007800 /* number of MTU buffers */
#define CAS_RX_PSZ_MB_CNT_SHFT 11
#define CAS_RX_PSZ_MB_STRD_MASK 0x18000000 /* MTU buffer stride */
#define CAS_RX_PSZ_MB_STRD_SHFT 27
#define CAS_RX_PSZ_MB_OFF_MASK 0xc0000000 /* MTU buffer offset */
#define CAS_RX_PSZ_MB_OFF_SHFT 30
#define CAS_RX_PSZ_2K 0x0 /* page size 2Kbyte */
#define CAS_RX_PSZ_4K 0x1 /* page size 4Kbyte */
#define CAS_RX_PSZ_8K 0x2 /* page size 8Kbyte */
#define CAS_RX_PSZ_16K 0x3 /* page size 16Kbyte*/
#define CAS_RX_PSZ_MB_STRD_1K 0x0 /* MTU buffer stride 1Kbyte */
#define CAS_RX_PSZ_MB_STRD_2K 0x1 /* MTU buffer stride 2Kbyte */
#define CAS_RX_PSZ_MB_STRD_4K 0x2 /* MTU buffer stride 4Kbyte */
#define CAS_RX_PSZ_MB_STRD_8K 0x3 /* MTU buffer stride 8Kbyte */
#define CAS_RX_PSZ_MB_OFF_0 0x0 /* MTU buf. offset 0 bytes */
#define CAS_RX_PSZ_MB_OFF_64 0x1 /* MTU buf. offset 64 bytes */
#define CAS_RX_PSZ_MB_OFF_96 0x2 /* MTU buf. offset 96 bytes */
#define CAS_RX_PSZ_MB_OFF_128 0x3 /* MTU buf. offset 128 bytes */
#define CAS_RX_DESC_ALIGN 8192 /* RX descriptor alignment */
#define CAS_RX_COMP_ALIGN 8192 /* RX complition alignment */
/* The RX PAUSE thresholds are specified in multiples of 64 bytes. */
#define CAS_RX_PTHRS_XOFF_MASK 0x000001ff /* XOFF PAUSE */
#define CAS_RX_PTHRS_XOFF_SHFT 0
#define CAS_RX_PTHRS_XON_MASK 0x001ff000 /* XON PAUSE */
#define CAS_RX_PTHRS_XON_SHFT 12
/*
* CAS_RX_BLANK and CAS_RX_BLANK_ALIAS bits
* CAS_RX_BLANK is loaded each time CAS_STATUS is read and CAS_RX_BLANK_ALIAS
* is read each time CAS_STATUS_ALIAS is read. The blanking time is specified
* in multiples of 512 core ticks (which runs at 125MHz).
*/
#define CAS_RX_BLANK_PKTS_MASK 0x000001ff /* RX blanking packets */
#define CAS_RX_BLANK_PKTS_SHFT 0
#define CAS_RX_BLANK_TIME_MASK 0x3ffff000 /* RX blanking time */
#define CAS_RX_BLANK_TIME_SHFT 12
/* CAS_RX_AEMPTY_THRS and CAS_RX_AEMPTY_THRS2 bits */
#define CAS_RX_AEMPTY_THRS_MASK 0x00001fff /* RX_BUF_AEMPTY threshold */
#define CAS_RX_AEMPTY_THRS_SHFT 0
#define CAS_RX_AEMPTY_COMP_MASK 0x0fffe000 /* RX_COMP_AFULL threshold */
#define CAS_RX_AEMPTY_COMP_SHFT 13
/* The RX random early detection probability is in 12.5% granularity. */
#define CAS_RX_RED_4K_6K_MASK 0x000000ff /* 4K < FIFO threshold < 6K */
#define CAS_RX_RED_4K_6K_SHFT 0
#define CAS_RX_RED_6K_8K_MASK 0x0000ff00 /* 6K < FIFO threshold < 8K */
#define CAS_RX_RED_6K_8K_SHFT 8
#define CAS_RX_RED_8K_10K_MASK 0x00ff0000 /* 8K < FIFO threshold < 10K */
#define CAS_RX_RED_8K_10K_SHFT 16
#define CAS_RX_RED_10K_12K_MASK 0xff000000 /* 10K < FIFO threshold < 12K */
#define CAS_RX_RED_10K_12K_SHFT 24
/* CAS_RX_FF_IPP_MASK and CAS_RX_FF_FIFO_MASK are in 8 bytes granularity. */
#define CAS_RX_FF_PKT_MASK 0x000000ff /* # of packets in RX FIFO */
#define CAS_RX_FF_PKT_SHFT 0
#define CAS_RX_FF_IPP_MASK 0x0007ff00 /* IPP FIFO level */
#define CAS_RX_FF_IPP_SHFT 8
#define CAS_RX_FF_FIFO_MASK 0x3ff80000 /* RX FIFO level */
#define CAS_RX_FF_FIFO_SHFT 19
#define CAS_RX_BIST_START 0x00000001 /* Start BIST process. */
#define CAS_RX_BIST_SUMMARY 0x00000002 /* All okay */
#define CAS_RX_BIST_SM 0x00007800 /* BIST state machine */
#define CAS_RX_BIST_REAS_27 0x00008000 /* Reas 27 okay */
#define CAS_RX_BIST_REAS_26B 0x00010000 /* Reas 26B okay */
#define CAS_RX_BIST_REAS_26A 0x00020000 /* Reas 26A okay */
#define CAS_RX_BIST_CTRL_33 0x00040000 /* Control FIFO 33 okay */
#define CAS_RX_BIST_CTRL_32 0x00080000 /* Control FIFO 32 okay */
#define CAS_RX_BIST_IPP_33C 0x00100000 /* IPP 33C okay */
#define CAS_RX_BIST_IPP_32C 0x00200000 /* IPP 32C okay */
#define CAS_RX_BIST_IPP_33B 0x00400000 /* IPP 33B okay */
#define CAS_RX_BIST_IPP_32B 0x00800000 /* IPP 32B okay */
#define CAS_RX_BIST_IPP_33A 0x01000000 /* IPP 33A okay */
#define CAS_RX_BIST_IPP_32A 0x02000000 /* IPP 32A okay */
#define CAS_RX_BIST_33C 0x04000000 /* 33C okay */
#define CAS_RX_BIST_32C 0x08000000 /* 32C okay */
#define CAS_RX_BIST_33B 0x10000000 /* 33B okay */
#define CAS_RX_BIST_32B 0x20000000 /* 32B okay */
#define CAS_RX_BIST_33A 0x40000000 /* 33A okay */
#define CAS_RX_BIST_32A 0x80000000 /* 32A okay */
#define CAS_RX_REAS_DMA_ADDR_LC 0x0000003f /* reas. table location sel. */
/* header parser registers */
#define CAS_HP_CONF 0x4140 /* HP configuration */
#define CAS_HP_IR_ADDR 0x4144 /* HP instruction RAM address */
#define CAS_HP_IR_DATA_LO 0x4148 /* HP instruction RAM data low */
#define CAS_HP_IR_DATA_MD 0x414c /* HP instruction RAM data mid */
#define CAS_HP_IR_DATA_HI 0x4150 /* HP instruction RAM data high */
#define CAS_HP_DR_FDB 0x4154 /* HP data RAM and flow DB address */
#define CAS_HP_DR_DATA 0x4158 /* HP data RAM data */
#define CAS_HP_FLOW_DB1 0x415c /* HP flow database 1 */
#define CAS_HP_FLOW_DB2 0x4160 /* HP flow database 2 */
#define CAS_HP_FLOW_DB3 0x4164 /* HP flow database 3 */
#define CAS_HP_FLOW_DB4 0x4168 /* HP flow database 4 */
#define CAS_HP_FLOW_DB5 0x416c /* HP flow database 5 */
#define CAS_HP_FLOW_DB6 0x4170 /* HP flow database 6 */
#define CAS_HP_FLOW_DB7 0x4174 /* HP flow database 7 */
#define CAS_HP_FLOW_DB8 0x4178 /* HP flow database 8 */
#define CAS_HP_FLOW_DB9 0x417c /* HP flow database 9 */
#define CAS_HP_FLOW_DB10 0x4180 /* HP flow database 10 */
#define CAS_HP_FLOW_DB11 0x4184 /* HP flow database 11 */
#define CAS_HP_FLOW_DB12 0x4188 /* HP flow database 12 */
#define CAS_HP_SM 0x418c /* HP state machine */
#define CAS_HP_STATUS1 0x4190 /* HP status 1 */
#define CAS_HP_STATUS2 0x4194 /* HP status 2 */
#define CAS_HP_STATUS3 0x4198 /* HP status 3 */
#define CAS_HP_RAM_BIST 0x419c /* HP RAM BIST */
#define CAS_HP_CONF_PARSE_EN 0x00000001 /* header parsing enable */
#define CAS_HP_CONF_NCPU_MASK 0x000000fc /* #CPUs (0x0: 64) */
#define CAS_HP_CONF_NCPU_SHFT 2
#define CAS_HP_CONF_SINC_DIS 0x00000100 /* SYN inc. seq. number dis. */
#define CAS_HP_CONF_TPT_MASK 0x000ffe00 /* TCP payload threshold */
#define CAS_HP_CONF_TPT_SHFT 9
#define CAS_HP_DR_FDB_DR_MASK 0x0000001f /* data RAM location sel. */
#define CAS_HP_DR_FDB_DR_SHFT 0
#define CAS_HP_DR_FDB_FDB_MASK 0x00003f00 /* flow DB location sel. */
#define CAS_HP_DR_FDB_FDB_SHFT 8
#define CAS_HP_STATUS1_OP_MASK 0x00000007 /* HRP opcode */
#define CAS_HP_STATUS1_OP_SHFT 0
#define CAS_HP_STATUS1_LB_MASK 0x000001f8 /* load balancing CPU number */
#define CAS_HP_STATUS1_LB_SHFT 3
#define CAS_HP_STATUS1_L3O_MASK 0x0000fe00 /* layer 3 offset */
#define CAS_HP_STATUS1_L3O_SHFT 9
#define CAS_HP_STATUS1_SAP_MASK 0xffff0000 /* ethertype */
#define CAS_HP_STATUS1_SAP_SHFT 16
#define CAS_HP_STATUS2_TSZ_MASK 0x0000ffff /* TCP payload size */
#define CAS_HP_STATUS2_TSZ_SHFT 0
#define CAS_HP_STATUS2_TO_MASK 0x007f0000 /* TCP payload offset */
#define CAS_HP_STATUS2_TO_SHFT 16
#define CAS_HP_STATUS2_FID_MASK 0x1f800000 /* flow ID */
#define CAS_HP_STATUS2_FID_SHFT 23
#define CAS_HP_STATUS2_AR2_MASK 0xe0000000 /* accu_R2[6:4] */
#define CAS_HP_STATUS2_AR2_SHFT 29
#define CAS_HP_STATUS3_TCP_NCHK 0x00000001 /* TCP no payload check */
#define CAS_HP_STATUS3_TCP_CHK 0x00000002 /* TCP payload check */
#define CAS_HP_STATUS3_SYN_FLAG 0x00000004 /* SYN flag */
#define CAS_HP_STATUS3_TCP_FLAG 0x00000008 /* TCP flag check */
#define CAS_HP_STATUS3_CTRL_PF 0x00000010 /* control packet flag */
#define CAS_HP_STATUS3_NASSIST 0x00000020 /* no assist */
#define CAS_HP_STATUS3_MASK_PT 0x00000040 /* Mask payload threshold. */
#define CAS_HP_STATUS3_FRC_TPC 0x00000080 /* Force TCP payload check. */
#define CAS_HP_STATUS3_MASK_DLZ 0x00000100 /* Mask data length equal 0. */
#define CAS_HP_STATUS3_FRC_TNPC 0x00000200 /* Force TCP no payload chk. */
#define CAS_HP_STATUS3_JMBHS_EN 0x00000400 /* jumbo header split enable */
#define CAS_HP_STATUS3_BWO_REAS 0x00000800 /* batching w/o reassembly */
#define CAS_HP_STATUS3_FRC_DROP 0x00001000 /* force drop */
#define CAS_HP_STATUS3_AR1_MASK 0x000fe000 /* accu_R1 */
#define CAS_HP_STATUS3_AR1_SHFT 13
#define CAS_HP_STATUS3_CSO_MASK 0x07f00000 /* checksum start offset */
#define CAS_HP_STATUS3_CSO_SHFT 19
#define CAS_HP_STATUS3_AR2_MASK 0xf0000000 /* accu_R2[3:0] */
#define CAS_HP_STATUS3_AR2_SHFT 28
#define CAS_HP_RAM_BIST_START 0x00000001 /* Start RAM BIST process. */
#define CAS_HP_RAM_BIST_SUMMARY 0x00000002 /* all RAM okay */
#define CAS_HP_RAM_BIST_TCPSEQ 0x00020000 /* TCP seqeunce RAM okay */
#define CAS_HP_RAM_BIST_FID31 0x00040000 /* flow ID RAM3 bank 1 okay */
#define CAS_HP_RAM_BIST_FID21 0x00080000 /* flow ID RAM2 bank 1 okay */
#define CAS_HP_RAM_BIST_FID11 0x00100000 /* flow ID RAM1 bank 1 okay */
#define CAS_HP_RAM_BIST_FID01 0x00200000 /* flow ID RAM0 bank 1 okay */
#define CAS_HP_RAM_BIST_FID30 0x00400000 /* flow ID RAM3 bank 0 okay */
#define CAS_HP_RAM_BIST_FID20 0x00800000 /* flow ID RAM2 bank 0 okay */
#define CAS_HP_RAM_BIST_FID10 0x01000000 /* flow ID RAM1 bank 0 okay */
#define CAS_HP_RAM_BIST_FID00 0x02000000 /* flow ID RAM0 bank 0 okay */
#define CAS_HP_RAM_BIST_AGE1 0x04000000 /* aging RAM1 okay */
#define CAS_HP_RAM_BIST_AGE0 0x08000000 /* aging RAM0 okay */
#define CAS_HP_RAM_BIST_IR2 0x10000000 /* instruction RAM2 okay */
#define CAS_HP_RAM_BIST_IR1 0x20000000 /* instruction RAM1 okay */
#define CAS_HP_RAM_BIST_IR0 0x40000000 /* instruction RAM0 okay */
#define CAS_HP_RAM_BIST_DR 0x80000000 /* data RAM okay */
/* MAC registers */
#define CAS_MAC_TXRESET 0x6000 /* TX MAC software reset command */
#define CAS_MAC_RXRESET 0x6004 /* RX MAC software reset command */
#define CAS_MAC_SPC 0x6008 /* send PAUSE command */
#define CAS_MAC_TX_STATUS 0x6010 /* TX MAC status */
#define CAS_MAC_RX_STATUS 0x6014 /* RX MAC status */
#define CAS_MAC_CTRL_STATUS 0x6018 /* MAC control status */
#define CAS_MAC_TX_MASK 0x6020 /* TX MAC mask */
#define CAS_MAC_RX_MASK 0x6024 /* RX MAC mask */
#define CAS_MAC_CTRL_MASK 0x6028 /* MAC control mask */
#define CAS_MAC_TX_CONF 0x6030 /* TX MAC configuration */
#define CAS_MAC_RX_CONF 0x6034 /* RX MAC configuration */
#define CAS_MAC_CTRL_CONF 0x6038 /* MAC control configuration */
#define CAS_MAC_XIF_CONF 0x603c /* XIF configuration */
#define CAS_MAC_IPG0 0x6040 /* inter packet gap 0 */
#define CAS_MAC_IPG1 0x6044 /* inter packet gap 1 */
#define CAS_MAC_IPG2 0x6048 /* inter packet gap 2 */
#define CAS_MAC_SLOT_TIME 0x604c /* slot time */
#define CAS_MAC_MIN_FRAME 0x6050 /* minimum frame size */
#define CAS_MAC_MAX_BF 0x6054 /* maximum bust and frame size */
#define CAS_MAC_PREAMBLE_LEN 0x6058 /* PA size */
#define CAS_MAC_JAM_SIZE 0x605c /* jam size */
#define CAS_MAC_ATTEMPT_LIMIT 0x6060 /* attempt limit */
#define CAS_MAC_CTRL_TYPE 0x6064 /* MAC control type */
#define CAS_MAC_ADDR0 0x6080 /* MAC address 0 */
#define CAS_MAC_ADDR1 0x6084 /* MAC address 1 */
#define CAS_MAC_ADDR2 0x6088 /* MAC address 2 */
#define CAS_MAC_ADDR3 0x608c /* MAC address 3 */
#define CAS_MAC_ADDR4 0x6090 /* MAC address 4 */
#define CAS_MAC_ADDR5 0x6094 /* MAC address 5 */
#define CAS_MAC_ADDR6 0x6098 /* MAC address 6 */
#define CAS_MAC_ADDR7 0x609c /* MAC address 7 */
#define CAS_MAC_ADDR8 0x60a0 /* MAC address 8 */
#define CAS_MAC_ADDR9 0x60a4 /* MAC address 9 */
#define CAS_MAC_ADDR10 0x60a8 /* MAC address 10 */
#define CAS_MAC_ADDR11 0x60ac /* MAC address 11 */
#define CAS_MAC_ADDR12 0x60b0 /* MAC address 12 */
#define CAS_MAC_ADDR13 0x60b4 /* MAC address 13 */
#define CAS_MAC_ADDR14 0x60b8 /* MAC address 14 */
#define CAS_MAC_ADDR15 0x60bc /* MAC address 15 */
#define CAS_MAC_ADDR16 0x60c0 /* MAC address 16 */
#define CAS_MAC_ADDR17 0x60c4 /* MAC address 17 */
#define CAS_MAC_ADDR18 0x60c8 /* MAC address 18 */
#define CAS_MAC_ADDR19 0x60cc /* MAC address 19 */
#define CAS_MAC_ADDR20 0x60d0 /* MAC address 20 */
#define CAS_MAC_ADDR21 0x60d4 /* MAC address 21 */
#define CAS_MAC_ADDR22 0x60d8 /* MAC address 22 */
#define CAS_MAC_ADDR23 0x60dc /* MAC address 23 */
#define CAS_MAC_ADDR24 0x60e0 /* MAC address 24 */
#define CAS_MAC_ADDR25 0x60e4 /* MAC address 25 */
#define CAS_MAC_ADDR26 0x60e8 /* MAC address 26 */
#define CAS_MAC_ADDR27 0x60ec /* MAC address 27 */
#define CAS_MAC_ADDR28 0x60f0 /* MAC address 28 */
#define CAS_MAC_ADDR29 0x60f4 /* MAC address 29 */
#define CAS_MAC_ADDR30 0x60f8 /* MAC address 30 */
#define CAS_MAC_ADDR31 0x60fc /* MAC address 31 */
#define CAS_MAC_ADDR32 0x6100 /* MAC address 32 */
#define CAS_MAC_ADDR33 0x6104 /* MAC address 33 */
#define CAS_MAC_ADDR34 0x6108 /* MAC address 34 */
#define CAS_MAC_ADDR35 0x610c /* MAC address 35 */
#define CAS_MAC_ADDR36 0x6110 /* MAC address 36 */
#define CAS_MAC_ADDR37 0x6114 /* MAC address 37 */
#define CAS_MAC_ADDR38 0x6118 /* MAC address 38 */
#define CAS_MAC_ADDR39 0x611c /* MAC address 39 */
#define CAS_MAC_ADDR40 0x6120 /* MAC address 40 */
#define CAS_MAC_ADDR41 0x6124 /* MAC address 41 */
#define CAS_MAC_ADDR42 0x6128 /* MAC address 42 */
#define CAS_MAC_ADDR43 0x612c /* MAC address 43 */
#define CAS_MAC_ADDR44 0x6130 /* MAC address 44 */
#define CAS_MAC_AFILTER0 0x614c /* address filter 0 */
#define CAS_MAC_AFILTER1 0x6150 /* address filter 1 */
#define CAS_MAC_AFILTER2 0x6154 /* address filter 2 */
#define CAS_MAC_AFILTER_MASK1_2 0x6158 /* address filter 2 & 1 mask*/
#define CAS_MAC_AFILTER_MASK0 0x615c /* address filter 0 mask */
#define CAS_MAC_HASH0 0x6160 /* hash table 0 */
#define CAS_MAC_HASH1 0x6164 /* hash table 1 */
#define CAS_MAC_HASH2 0x6168 /* hash table 2 */
#define CAS_MAC_HASH3 0x616c /* hash table 3 */
#define CAS_MAC_HASH4 0x6170 /* hash table 4 */
#define CAS_MAC_HASH5 0x6174 /* hash table 5 */
#define CAS_MAC_HASH6 0x6178 /* hash table 6 */
#define CAS_MAC_HASH7 0x617c /* hash table 7 */
#define CAS_MAC_HASH8 0x6180 /* hash table 8 */
#define CAS_MAC_HASH9 0x6184 /* hash table 9 */
#define CAS_MAC_HASH10 0x6188 /* hash table 10 */
#define CAS_MAC_HASH11 0x618c /* hash table 11 */
#define CAS_MAC_HASH12 0x6190 /* hash table 12 */
#define CAS_MAC_HASH13 0x6194 /* hash table 13 */
#define CAS_MAC_HASH14 0x6198 /* hash table 14 */
#define CAS_MAC_HASH15 0x619c /* hash table 15 */
#define CAS_MAC_NORM_COLL_CNT 0x61a0 /* normal collision counter */
#define CAS_MAC_FIRST_COLL_CNT 0x61a4 /* 1st attempt suc. collision counter */
#define CAS_MAC_EXCESS_COLL_CNT 0x61a8 /* excess collision counter */
#define CAS_MAC_LATE_COLL_CNT 0x61ac /* late collision counter */
#define CAS_MAC_DEFER_TMR_CNT 0x61b0 /* defer timer */
#define CAS_MAC_PEAK_ATTEMPTS 0x61b4 /* peak attempts */
#define CAS_MAC_RX_FRAME_COUNT 0x61b8 /* receive frame counter */
#define CAS_MAC_RX_LEN_ERR_CNT 0x61bc /* length error counter */
#define CAS_MAC_RX_ALIGN_ERR 0x61c0 /* alignment error counter */
#define CAS_MAC_RX_CRC_ERR_CNT 0x61c4 /* FCS error counter */
#define CAS_MAC_RX_CODE_VIOL 0x61c8 /* RX code violation error counter */
#define CAS_MAC_RANDOM_SEED 0x61cc /* random number seed */
#define CAS_MAC_MAC_STATE 0x61d0 /* MAC state machine */
#define CAS_MAC_SPC_TIME_MASK 0x0000ffff /* PAUSE time value */
#define CAS_MAC_SPC_TIME_SHFT 0
#define CAS_MAC_SPC_SEND 0x00010000 /* Send PAUSE frame. */
/* CAS_MAC_TX_STATUS and CAS_MAC_TX_MASK register bits */
#define CAS_MAC_TX_FRAME_XMTD 0x00000001 /* Frame transmitted. */
#define CAS_MAC_TX_UNDERRUN 0x00000002 /* TX data starvation */
#define CAS_MAC_TX_MAX_PKT_ERR 0x00000004 /* frame > CAS_MAC_MAX_FRAME */
#define CAS_MAC_TX_NCC_EXP 0x00000008 /* normal coll. counter wrap */
#define CAS_MAC_TX_ECC_EXP 0x00000010 /* excess coll. counter wrap */
#define CAS_MAC_TX_LCC_EXP 0x00000020 /* late coll. counter wrap */
#define CAS_MAC_TX_FCC_EXP 0x00000040 /* 1st coll. counter wrap */
#define CAS_MAC_TX_DEFER_EXP 0x00000080 /* defer timer wrap */
#define CAS_MAC_TX_PEAK_EXP 0x00000100 /* peak attempts counter wrap */
/* CAS_MAC_RX_STATUS and CAS_MAC_RX_MASK register bits */
#define CAS_MAC_RX_FRAME_RCVD 0x00000001 /* Frame received. */
#define CAS_MAC_RX_OVERFLOW 0x00000002 /* RX FIFO overflow */
#define CAS_MAC_RX_FRAME_EXP 0x00000004 /* RX frame counter wrap */
#define CAS_MAC_RX_ALIGN_EXP 0x00000008 /* alignment error cntr. wrap */
#define CAS_MAC_RX_CRC_EXP 0x00000010 /* CRC error counter wrap */
#define CAS_MAC_RX_LEN_EXP 0x00000020 /* length error counter wrap */
#define CAS_MAC_RX_VIOL_EXP 0x00000040 /* code violation cntr. wrap */
/* CAS_MAC_CTRL_STATUS and CAS_MAC_CTRL_MASK register bits */
#define CAS_MAC_CTRL_PAUSE_RCVD 0x00000001 /* PAUSE received. */
#define CAS_MAC_CTRL_PAUSE 0x00000002 /* PAUSE state entered. */
#define CAS_MAC_CTRL_NON_PAUSE 0x00000004 /* PAUSE state left. */
#define CAS_MAC_CTRL_STATUS_PT_MASK 0xffff0000 /* PAUSE time */
#define CAS_MAC_CTRL_STATUS_PT_SHFT 16
#define CAS_MAC_TX_CONF_EN 0x00000001 /* TX enable */
#define CAS_MAC_TX_CONF_ICARR 0x00000002 /* Ignore carrier sense. */
#define CAS_MAC_TX_CONF_ICOLLIS 0x00000004 /* Ignore collisions. */
#define CAS_MAC_TX_CONF_EN_IPG0 0x00000008 /* extend RX-to-TX IPG */
#define CAS_MAC_TX_CONF_NGU 0x00000010 /* Never give up. */
#define CAS_MAC_TX_CONF_NGUL 0x00000020 /* never give up limit */
#define CAS_MAC_TX_CONF_NBOFF 0x00000040 /* Disable backoff algorithm. */
#define CAS_MAC_TX_CONF_SDOWN 0x00000080 /* CSMA/CD slow down */
#define CAS_MAC_TX_CONF_NO_FCS 0x00000100 /* Don't generate FCS. */
#define CAS_MAC_TX_CONF_CARR 0x00000200 /* carrier extension enable */
#define CAS_MAC_RX_CONF_EN 0x00000001 /* RX enable */
#define CAS_MAC_RX_CONF_STRPPAD 0x00000002 /* Must not be set. */
#define CAS_MAC_RX_CONF_STRPFCS 0x00000004 /* Strip FCS bytes. */
#define CAS_MAC_RX_CONF_PROMISC 0x00000008 /* promiscuous mode enable */
#define CAS_MAC_RX_CONF_PGRP 0x00000010 /* promiscuous group mode en. */
#define CAS_MAC_RX_CONF_HFILTER 0x00000020 /* hash filter enable */
#define CAS_MAC_RX_CONF_AFILTER 0x00000040 /* address filter enable */
#define CAS_MAC_RX_CONF_DIS_DOE 0x00000080 /* disable discard on error */
#define CAS_MAC_RX_CONF_CARR 0x00000100 /* carrier extension enable */
#define CAS_MAC_CTRL_CONF_TXP 0x00000001 /* send PAUSE enable */
#define CAS_MAC_CTRL_CONF_RXP 0x00000002 /* receive PAUSE enable */
#define CAS_MAC_CTRL_CONF_PASSP 0x00000004 /* Pass PAUSE up to RX DMA. */
#define CAS_MAC_XIF_CONF_TX_OE 0x00000001 /* MII TX output drivers en. */
#define CAS_MAC_XIF_CONF_ILBK 0x00000002 /* MII internal loopback en. */
#define CAS_MAC_XIF_CONF_NOECHO 0x00000004 /* Disable echo. */
#define CAS_MAC_XIF_CONF_GMII 0x00000008 /* GMII (vs. MII) mode enable */
#define CAS_MAC_XIF_CONF_BUF_OE 0x00000010 /* MII_BUF_OE enable */
#define CAS_MAC_XIF_CONF_LNKLED 0x00000020 /* Force LINKLED# active. */
#define CAS_MAC_XIF_CONF_FDXLED 0x00000040 /* Force FDPLXLED# active. */
/*
* The value of CAS_MAC_SLOT_TIME specifies the PAUSE time unit and depends
* on whether carrier extension is enabled.
*/
#define CAS_MAC_SLOT_TIME_CARR 0x200 /* slot time for carr. ext. */
#define CAS_MAC_SLOT_TIME_NORM 0x40 /* slot time otherwise */
#define CAS_MAC_MAX_BF_FRM_MASK 0x00007fff /* maximum frame size */
#define CAS_MAC_MAX_BF_FRM_SHFT 0
#define CAS_MAC_MAX_BF_BST_MASK 0x3fff0000 /* maximum burst size */
#define CAS_MAC_MAX_BF_BST_SHFT 16
/*
* MIF registers
* The bit-bang registers use the low bit only.
*/
#define CAS_MIF_BB_CLOCK 0x6200 /* MIF bit-bang clock */
#define CAS_MIF_BB_DATA 0x6204 /* MIF bit-bang data */
#define CAS_MIF_BB_OUTPUT_EN 0x6208 /* MIF bit-bang output enable */
#define CAS_MIF_FRAME 0x620c /* MIF frame/output */
#define CAS_MIF_CONF 0x6210 /* MIF configuration */
#define CAS_MIF_MASK 0x6214 /* MIF mask */
#define CAS_MIF_STATUS 0x6218 /* MIF status */
#define CAS_MIF_SM 0x621c /* MIF state machine */
#define CAS_MIF_FRAME_DATA 0x0000ffff /* instruction payload */
#define CAS_MIF_FRAME_TA_LSB 0x00010000 /* turn around LSB */
#define CAS_MIF_FRAME_TA_MSB 0x00020000 /* turn around MSB */
#define CAS_MIF_FRAME_REG_MASK 0x007c0000 /* register address */
#define CAS_MIF_FRAME_REG_SHFT 18
#define CAS_MIF_FRAME_PHY_MASK 0x0f800000 /* PHY address */
#define CAS_MIF_FRAME_PHY_SHFT 23
#define CAS_MIF_FRAME_OP_WRITE 0x10000000 /* write opcode */
#define CAS_MIF_FRAME_OP_READ 0x20000000 /* read opcode */
#define CAS_MIF_FRAME_OP_MASK \
(CAS_MIF_FRAME_OP_WRITE | CAS_MIF_FRAME_OP_READ)
#define CAS_MIF_FRAME_ST 0x40000000 /* start of frame */
#define CAS_MIF_FRAME_ST_MASK 0xc0000000 /* start of frame */
#define CAS_MIF_FRAME_READ \
(CAS_MIF_FRAME_TA_MSB | CAS_MIF_FRAME_OP_READ | CAS_MIF_FRAME_ST)
#define CAS_MIF_FRAME_WRITE \
(CAS_MIF_FRAME_TA_MSB | CAS_MIF_FRAME_OP_WRITE | CAS_MIF_FRAME_ST)
#define CAS_MIF_CONF_PHY_SELECT 0x00000001 /* PHY select, 0: MDIO_0 */
#define CAS_MIF_CONF_POLL_EN 0x00000002 /* polling mechanism enable */
#define CAS_MIF_CONF_BB_MODE 0x00000004 /* bit-bang mode enable */
#define CAS_MIF_CONF_PREG_MASK 0x000000f8 /* polled register */
#define CAS_MIF_CONF_PREG_SHFT 3
#define CAS_MIF_CONF_MDI0 0x00000100 /* MDIO_0 data/attached */
#define CAS_MIF_CONF_MDI1 0x00000200 /* MDIO_1 data/attached */
#define CAS_MIF_CONF_PPHY_MASK 0x00007c00 /* polled PHY */
#define CAS_MIF_CONF_PPHY_SHFT 10
/* CAS_MIF_MASK and CAS_MIF_STATUS bits */
#define CAS_MIF_POLL_STATUS_MASK 0x0000ffff /* polling status */
#define CAS_MIF_POLL_STATUS_SHFT 0
#define CAS_MIF_POLL_DATA_MASK 0xffff0000 /* polling data */
#define CAS_MIF_POLL_DATA_SHFT 8
#define CAS_MIF_SM_CTRL_MASK 0x00000007 /* ctrl. state machine state */
#define CAS_MIF_SM_CTRL_SHFT 0
#define CAS_MIF_SM_EXEC_MASK 0x00000060 /* exec. state machine state */
/* PCS/Serialink registers */
#define CAS_PCS_CTRL 0x9000 /* PCS MII control (PCS "BMCR") */
#define CAS_PCS_STATUS 0x9004 /* PCS MII status (PCS "BMSR") */
#define CAS_PCS_ANAR 0x9008 /* PCS MII advertisement */
#define CAS_PCS_ANLPAR 0x900c /* PCS MII link partner ability */
#define CAS_PCS_CONF 0x9010 /* PCS configuration */
#define CAS_PCS_SM 0x9014 /* PCS state machine */
#define CAS_PCS_INTR_STATUS 0x9018 /* PCS interrupt status */
#define CAS_PCS_DATAPATH 0x9050 /* datapath mode */
#define CAS_PCS_SERDES_CTRL 0x9054 /* SERDES control */
#define CAS_PCS_OUTPUT_SELECT 0x9058 /* shared output select */
#define CAS_PCS_SERDES_STATUS 0x905c /* SERDES state */
#define CAS_PCS_PKT_CNT 0x9060 /* PCS packet counter */
#define CAS_PCS_CTRL_1000M 0x00000040 /* 1000Mbps speed select */
#define CAS_PCS_CTRL_COLL_TEST 0x00000080 /* collision test */
#define CAS_PCS_CTRL_FDX 0x00000100 /* full-duplex, always 0 */
#define CAS_PCS_CTRL_RANEG 0x00000200 /* restart auto-negotiation */
#define CAS_PCS_CTRL_ISOLATE 0x00000400 /* isolate PHY from MII */
#define CAS_PCS_CTRL_POWERDOWN 0x00000800 /* power down */
#define CAS_PCS_CTRL_ANEG_EN 0x00001000 /* auto-negotiation enable */
#define CAS_PCS_CTRL_10_100M 0x00002000 /* 10/100Mbps speed select */
#define CAS_PCS_CTRL_RESET 0x00008000 /* Reset PCS. */
#define CAS_PCS_STATUS_EXTCAP 0x00000001 /* extended capability */
#define CAS_PCS_STATUS_JABBER 0x00000002 /* jabber condition detected */
#define CAS_PCS_STATUS_LINK 0x00000004 /* link status */
#define CAS_PCS_STATUS_ANEG_ABL 0x00000008 /* auto-negotiation ability */
#define CAS_PCS_STATUS_REM_FLT 0x00000010 /* remote fault detected */
#define CAS_PCS_STATUS_ANEG_CPT 0x00000020 /* auto-negotiate complete */
#define CAS_PCS_STATUS_EXTENDED 0x00000100 /* extended status */
/* CAS_PCS_ANAR and CAS_PCS_ANLPAR register bits */
#define CAS_PCS_ANEG_FDX 0x00000020 /* full-duplex */
#define CAS_PCS_ANEG_HDX 0x00000040 /* half-duplex */
#define CAS_PCS_ANEG_PAUSE 0x00000080 /* symmetric PAUSE */
#define CAS_PCS_ANEG_ASM_DIR 0x00000100 /* asymmetric PAUSE */
#define CAS_PCS_ANEG_RFLT_FAIL 0x00001000 /* remote fault - fail */
#define CAS_PCS_ANEG_RFLT_OFF 0x00002000 /* remote fault - off-line */
#define CAS_PCS_ANEG_RFLT_MASK \
(CAS_PCS_ANEG_RFLT_FAIL | CAS_PCS_ANEG_RFLT_OFF)
#define CAS_PCS_ANEG_ACK 0x00004000 /* acknowledge */
#define CAS_PCS_ANEG_NEXT_PAGE 0x00008000 /* next page */
#define CAS_PCS_CONF_EN 0x00000001 /* Enable PCS. */
#define CAS_PCS_CONF_SDO 0x00000002 /* signal detect override */
#define CAS_PCS_CONF_SDL 0x00000004 /* signal detect active-low */
#define CAS_PCS_CONF_JS_NORM 0x00000000 /* jitter study - normal op. */
#define CAS_PCS_CONF_JS_HF 0x00000008 /* jitter study - HF test */
#define CAS_PCS_CONF_JS_LF 0x00000010 /* jitter study - LF test */
#define CAS_PCS_CONF_JS_MASK (CAS_PCS_CONF_JS_HF | CAS_PCS_CONF_JS_LF)
#define CAS_PCS_CONF_ANEG_TO 0x00000020 /* auto-neg. timer override */
#define CAS_PCS_SM_TX_CTRL_MASK 0x0000000f /* TX control state */
#define CAS_PCS_SM_TX_CTRL_SHFT 0
#define CAS_PCS_SM_RX_CTRL_MASK 0x000000f0 /* RX control state */
#define CAS_PCS_SM_RX_CTRL_SHFT 4
#define CAS_PCS_SM_WSYNC_MASK 0x00000700 /* word sync. state */
#define CAS_PCS_SM_WSYNC_SHFT 8
#define CAS_PCS_SM_SEQ_MASK 0x00001800 /* sequence detection state */
#define CAS_PCS_SM_SEQ_SHFT 11
#define CAS_PCS_SM_LINK_UP 0x00016000
#define CAS_PCS_SM_LINK_MASK 0x0001e000 /* link configuration state */
#define CAS_PCS_SM_LINK_SHFT 13
#define CAS_PCS_SM_LOSS_C 0x00100000 /* link-loss due to C codes */
#define CAS_PCS_SM_LOSS_SYNC 0x00200000 /* link-loss due to sync-loss */
#define CAS_PCS_SM_LOS 0x00400000 /* loss of signal */
#define CAS_PCS_SM_NLINK_BREAK 0x01000000 /* no link due to breaklink */
#define CAS_PCS_SM_NLINK_SERDES 0x02000000 /* no link due to SERDES */
#define CAS_PCS_SM_NLINK_C 0x04000000 /* no link due to bad C codes */
#define CAS_PCS_SM_NLINK_SYNC 0x08000000 /* no link due to word sync. */
#define CAS_PCS_SM_NLINK_WAIT_C 0x10000000 /* no link, waiting for ack. */
#define CAS_PCS_SM_NLINK_NIDLE 0x20000000 /* no link due to no idle */
/*
* CAS_PCS_INTR_STATUS has no corresponding mask register. It can only
* be masked with CAS_INTR_PCS_INT.
*/
#define CAS_PCS_INTR_LINK 0x00000004 /* link status change */
#define CAS_PCS_DATAPATH_MII 0x00000001 /* GMII/MII and MAC loopback */
#define CAS_PCS_DATAPATH_SERDES 0x00000002 /* SERDES via 10-bit */
#define CAS_PCS_SERDES_CTRL_LBK 0x00000001 /* loopback at 10-bit enable */
#define CAS_PCS_SERDES_CTRL_ESD 0x00000002 /* En. sync char. detection. */
#define CAS_PCS_SERDES_CTRL_LR 0x00000004 /* Lock to reference clock. */
#define CAS_PCS_SERDES_STATUS_T 0x00000000 /* Undergoing test. */
#define CAS_PCS_SERDES_STATUS_L 0x00000001 /* Waiting 500us w/ lockrefn. */
#define CAS_PCS_SERDES_STATUS_C 0x00000002 /* Waiting for comma detect. */
#define CAS_PCS_SERDES_STATUS_S 0x00000003 /* Receive data is sync. */
#define CAS_PCS_PKT_CNT_TX_MASK 0x000007ff /* TX packets */
#define CAS_PCS_PKT_CNT_TX_SHFT 0
#define CAS_PCS_PKT_CNT_RX_MASK 0x07ff0000 /* RX packets */
#define CAS_PCS_PKT_CNT_RX_SHFT 16
/*
* PCI expansion ROM runtime access
* Cassinis and Saturn map a 1MB space for the PCI expansion ROM as the
* second half of the first register bank, although they only support up
* to 64KB ROMs.
*/
#define CAS_PCI_ROM_OFFSET 0x100000
#define CAS_PCI_ROM_SIZE 0x10000
/* secondary local bus device */
#define CAS_SEC_LBDEV_OFFSET 0x180000
#define CAS_SEC_LBDE_SIZE 0x7ffff
/* wired PHY addresses */
#define CAS_PHYAD_INTERNAL 1
#define CAS_PHYAD_EXTERNAL 0
/* wired RX FIFO size in bytes */
#define CAS_RX_FIFO_SIZE 16 * 1024
/*
* descriptor ring structures
*/
struct cas_desc {
uint64_t cd_flags;
uint64_t cd_buf_ptr;
};
/*
* transmit flags
* CAS_TD_CKSUM_START_MASK, CAS_TD_CKSUM_STUFF_MASK, CAS_TD_CKSUM_EN and
* CAS_TD_INT_ME only need to be set in 1st descriptor of a frame.
*/
#define CAS_TD_BUF_LEN_MASK 0x0000000000003fffULL /* buffer length */
#define CAS_TD_BUF_LEN_SHFT 0
#define CAS_TD_CKSUM_START_MASK 0x00000000001f8000ULL /* checksum start... */
#define CAS_TD_CKSUM_START_SHFT 15 /* ...offset */
#define CAS_TD_CKSUM_STUFF_MASK 0x000000001fe00000ULL /* checksum stuff... */
#define CAS_TD_CKSUM_STUFF_SHFT 21 /* ...offset */
#define CAS_TD_CKSUM_EN 0x0000000020000000ULL /* checksum enable */
#define CAS_TD_END_OF_FRAME 0x0000000040000000ULL /* last desc. of pkt. */
#define CAS_TD_START_OF_FRAME 0x0000000080000000ULL /* 1st desc. of pkt. */
#define CAS_TD_INT_ME 0x0000000100000000ULL /* intr. when in FIFO */
#define CAS_TD_NO_CRC 0x0000000200000000ULL /* Don't insert CRC. */
/* receive flags */
#define CAS_RD_BUF_INDEX_MASK 0x0000000000003fffULL /* data buffer index */
#define CAS_RD_BUF_INDEX_SHFT 0
/*
* receive completion ring structure
*/
struct cas_rx_comp {
uint64_t crc_word1;
uint64_t crc_word2;
uint64_t crc_word3;
uint64_t crc_word4;
};
#define CAS_RC1_DATA_SIZE_MASK 0x0000000007ffe000ULL /* pkt. data length */
#define CAS_RC1_DATA_SIZE_SHFT 13
#define CAS_RC1_DATA_OFF_MASK 0x000001fff8000000ULL /* data buffer offset */
#define CAS_RC1_DATA_OFF_SHFT 27
#define CAS_RC1_DATA_INDEX_MASK 0x007ffe0000000000ULL /* data buffer index */
#define CAS_RC1_DATA_INDEX_SHFT 41
#define CAS_RC1_SKIP_MASK 0x0180000000000000ULL /* entries to skip */
#define CAS_RC1_SKIP_SHFT 55
#define CAS_RC1_RELEASE_NEXT 0x0200000000000000ULL /* last in reas. buf. */
#define CAS_RC1_SPLIT_PKT 0x0400000000000000ULL /* used 2 reas. buf. */
#define CAS_RC1_RELEASE_FLOW 0x0800000000000000ULL /* last pkt. of flow */
#define CAS_RC1_RELEASE_DATA 0x1000000000000000ULL /* reas. buf. full */
#define CAS_RC1_RELEASE_HDR 0x2000000000000000ULL /* header buf. full */
#define CAS_RC1_TYPE_HW 0x0000000000000000ULL /* owned by hardware */
#define CAS_RC1_TYPE_RSFB 0x4000000000000000ULL /* stale flow buf... */
#define CAS_RC1_TYPE_RNRP 0x8000000000000000ULL /* non-reas. pkt... */
#define CAS_RC1_TYPE_RFP 0xc000000000000000ULL /* flow packet... */
#define CAS_RC1_TYPE_MASK CAS_RC1_TYPE_RFP /* ...release */
#define CAS_RC1_TYPE_SHFT 62
#define CAS_RC2_NEXT_INDEX_MASK 0x00000007ffe00000ULL /* next buf. of pkt. */
#define CAS_RC2_NEXT_INDEX_SHFT 21
#define CAS_RC2_HDR_SIZE_MASK 0x00000ff800000000ULL /* header length */
#define CAS_RC2_HDR_SIZE_SHFT 35
#define CAS_RC2_HDR_OFF_MASK 0x0003f00000000000ULL /* header buf. offset */
#define CAS_RC2_HDR_OFF_SHFT 44
#define CAS_RC2_HDR_INDEX_MASK 0xfffc000000000000ULL /* header buf. index */
#define CAS_RC2_HDR_INDEX_SHFT 50
#define CAS_RC3_SMALL_PKT 0x0000000000000001ULL /* pkt. <= 256 - SOFF */
#define CAS_RC3_JUMBO_PKT 0x0000000000000002ULL /* pkt. > 1522 bytes */
#define CAS_RC3_JMBHS_EN 0x0000000000000004ULL /* jmb. hdr. spl. en. */
#define CAS_RC3_CSO_MASK 0x000000000007f000ULL /* checksum start... */
#define CAS_RC3_CSO_SHFT 12 /* ...offset */
#define CAS_RC3_FLOWID_MASK 0x0000000001f80000ULL /* flow ID of pkt. */
#define CAS_RC3_FLOWID_SHFT 19
#define CAS_RC3_OP_MASK 0x000000000e000000ULL /* opcode */
#define CAS_RC3_OP_SHFT 25
#define CAS_RC3_FRC_FLAG 0x0000000010000000ULL /* op. 2 batch. lkhd. */
#define CAS_RC3_NASSIST 0x0000000020000000ULL /* no assist */
#define CAS_RC3_LB_MASK 0x000001f800000000ULL /* load balancing key */
#define CAS_RC3_LB_SHFT 35
#define CAS_RC3_L3HO_MASK 0x0000fe0000000000ULL /* layer 3 hdr. off. */
#define CAS_RC3_L3HO_SHFT 41
#define CAS_RC3_PLUS_ENC_PKT 0x0000020000000000ULL /* IPsec AH/ESP pkt. */
#define CAS_RC3_PLUS_L3HO_MASK 0x0000fc0000000000ULL /* layer 3 hdr. off. */
#define CAS_RC3_PLUS_L3HO_SHFT 42
#define CAS_RC3_SAP_MASK 0xffff000000000000ULL /* ethertype */
#define CAS_RC3_SAP_SHFT 48
#define CAS_RC4_TCP_CSUM_MASK 0x000000000000ffffULL /* TCP checksum */
#define CAS_RC4_TCP_CSUM_SHFT 0
#define CAS_RC4_PKT_LEN_MASK 0x000000003fff0000ULL /* entire pkt. length */
#define CAS_RC4_PKT_LEN_SHFT 16
#define CAS_RC4_PAM_MASK 0x00000003c0000000ULL /* mcast. addr. match */
#define CAS_RC4_PAM_SHFT 30
#define CAS_RC4_ZERO 0x0000080000000000ULL /* owned by software */
#define CAS_RC4_HASH_VAL_MASK 0x0ffff00000000000ULL /* mcast. addr. hash */
#define CAS_RC4_HASH_VAL_SHFT 44
#define CAS_RC4_HASH_PASS 0x1000000000000000ULL /* passed hash filter */
#define CAS_RC4_BAD 0x4000000000000000ULL /* CRC error */
#define CAS_RC4_LEN_MMATCH 0x8000000000000000ULL /* length field mism. */
#define CAS_GET(reg, bits) (((reg) & (bits ## _MASK)) >> (bits ## _SHFT))
#define CAS_SET(val, bits) (((val) << (bits ## _SHFT)) & (bits ## _MASK))
#endif