6c396af20f
- miibus fixes as suggested by Yonghyeon Pyun. - enable VLAN MTU support. - fix a few WITNESS complaints in cgem_attach(). - have cgem_attach() properly init the ifnet struct before calling mii_attach() to fix panic when using e1000phy. - fix ethernet address changing. - fix transmit queue overflow handling. - tweak receive queue handling to reduce receive overflows. - bring out MAC statistic counters to sysctls. - add e1000phy to config file. - implement receive hang work-around described in reference guide. - change device name from if_cgem to cgem to be consistent with other interfaces. Submitted by: Thomas Skibo <ThomasSkibo@sbcglobal.net> Reviewed by: wkoszek, Yonghyeon PYUN <pyunyh@gmail.com>
383 lines
17 KiB
C
383 lines
17 KiB
C
/*-
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* Copyright (c) 2012-2013 Thomas Skibo
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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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*
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* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* 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 AUTHOR 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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* $FreeBSD$
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*/
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/*
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* Hardware and register defines for Cadence GEM Gigabit Ethernet
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* controller such as the one used in Zynq-7000 SoC.
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*
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* Reference: Zynq-7000 All Programmable SoC Technical Reference Manual.
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* (v1.4) November 16, 2012. Xilinx doc UG585. GEM is covered in Ch. 16
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* and register definitions are in appendix B.18.
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*/
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#ifndef _IF_CGEM_HW_H_
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#define _IF_CGEM_HW_H_
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/* Cadence GEM hardware register definitions. */
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#define CGEM_NET_CTRL 0x000 /* Network Control */
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#define CGEM_NET_CTRL_FLUSH_DPRAM_PKT (1<<18)
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#define CGEM_NET_CTRL_TX_PFC_PRI_PAUSE_FRAME (1<<17)
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#define CGEM_NET_CTRL_EN_PFC_PRI_PAUSE_RX (1<<16)
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#define CGEM_NET_CTRL_STORE_RX_TSTAMP (1<<15)
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#define CGEM_NET_CTRL_TX_ZEROQ_PAUSE_FRAME (1<<12)
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#define CGEM_NET_CTRL_TX_PAUSE_FRAME (1<<11)
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#define CGEM_NET_CTRL_TX_HALT (1<<10)
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#define CGEM_NET_CTRL_START_TX (1<<9)
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#define CGEM_NET_CTRL_BACK_PRESSURE (1<<8)
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#define CGEM_NET_CTRL_WREN_STAT_REGS (1<<7)
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#define CGEM_NET_CTRL_INCR_STAT_REGS (1<<6)
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#define CGEM_NET_CTRL_CLR_STAT_REGS (1<<5)
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#define CGEM_NET_CTRL_MGMT_PORT_EN (1<<4)
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#define CGEM_NET_CTRL_TX_EN (1<<3)
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#define CGEM_NET_CTRL_RX_EN (1<<2)
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#define CGEM_NET_CTRL_LOOP_LOCAL (1<<1)
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#define CGEM_NET_CFG 0x004 /* Netowrk Configuration */
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#define CGEM_NET_CFG_UNIDIR_EN (1<<31)
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#define CGEM_NET_CFG_IGNORE_IPG_RX_ER (1<<30)
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#define CGEM_NET_CFG_RX_BAD_PREAMBLE (1<<29)
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#define CGEM_NET_CFG_IPG_STRETCH_EN (1<<28)
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#define CGEM_NET_CFG_SGMII_EN (1<<27)
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#define CGEM_NET_CFG_IGNORE_RX_FCS (1<<26)
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#define CGEM_NET_CFG_RX_HD_WHILE_TX (1<<25)
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#define CGEM_NET_CFG_RX_CHKSUM_OFFLD_EN (1<<24)
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#define CGEM_NET_CFG_DIS_CP_PAUSE_FRAME (1<<23)
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#define CGEM_NET_CFG_DBUS_WIDTH_32 (0<<21)
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#define CGEM_NET_CFG_DBUS_WIDTH_64 (1<<21)
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#define CGEM_NET_CFG_DBUS_WIDTH_128 (2<<21)
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#define CGEM_NET_CFG_DBUS_WIDTH_MASK (3<<21)
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#define CGEM_NET_CFG_MDC_CLK_DIV_8 (0<<18)
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#define CGEM_NET_CFG_MDC_CLK_DIV_16 (1<<18)
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#define CGEM_NET_CFG_MDC_CLK_DIV_32 (2<<18)
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#define CGEM_NET_CFG_MDC_CLK_DIV_48 (3<<18)
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#define CGEM_NET_CFG_MDC_CLK_DIV_64 (4<<18)
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#define CGEM_NET_CFG_MDC_CLK_DIV_96 (5<<18)
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#define CGEM_NET_CFG_MDC_CLK_DIV_128 (6<<18)
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#define CGEM_NET_CFG_MDC_CLK_DIV_224 (7<<18)
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#define CGEM_NET_CFG_MDC_CLK_DIV_MASK (7<<18)
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#define CGEM_NET_CFG_FCS_REMOVE (1<<17)
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#define CGEM_NET_CFG_LEN_ERR_FRAME_DISC (1<<16)
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#define CGEM_NET_CFG_RX_BUF_OFFSET_SHFT 14
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#define CGEM_NET_CFG_RX_BUF_OFFSET_MASK (3<<14)
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#define CGEM_NET_CFG_RX_BUF_OFFSET(n) ((n)<<14)
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#define CGEM_NET_CFG_PAUSE_EN (1<<13)
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#define CGEM_NET_CFG_RETRY_TEST (1<<12)
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#define CGEM_NET_CFG_PCS_SEL (1<<11)
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#define CGEM_NET_CFG_GIGE_EN (1<<10)
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#define CGEM_NET_CFG_EXT_ADDR_MATCH_EN (1<<9)
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#define CGEM_NET_CFG_1536RXEN (1<<8)
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#define CGEM_NET_CFG_UNI_HASH_EN (1<<7)
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#define CGEM_NET_CFG_MULTI_HASH_EN (1<<6)
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#define CGEM_NET_CFG_NO_BCAST (1<<5)
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#define CGEM_NET_CFG_COPY_ALL (1<<4)
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#define CGEM_NET_CFG_DISC_NON_VLAN (1<<2)
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#define CGEM_NET_CFG_FULL_DUPLEX (1<<1)
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#define CGEM_NET_CFG_SPEED100 (1<<0)
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#define CGEM_NET_STAT 0x008 /* Network Status */
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#define CGEM_NET_STAT_PFC_PRI_PAUSE_NEG (1<<6)
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#define CGEM_NET_STAT_PCS_AUTONEG_PAUSE_TX_RES (1<<5)
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#define CGEM_NET_STAT_PCS_AUTONEG_PAUSE_RX_RES (1<<4)
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#define CGEM_NET_STAT_PCS_AUTONEG_DUP_RES (1<<3)
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#define CGEM_NET_STAT_PHY_MGMT_IDLE (1<<2)
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#define CGEM_NET_STAT_MDIO_IN_PIN_STATUS (1<<1)
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#define CGEM_NET_STAT_PCS_LINK_STATE (1<<0)
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#define CGEM_USER_IO 0x00C /* User I/O */
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#define CGEM_DMA_CFG 0x010 /* DMA Config */
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#define CGEM_DMA_CFG_DISC_WHEN_NO_AHB (1<<24)
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#define CGEM_DMA_CFG_RX_BUF_SIZE_SHIFT 16
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#define CGEM_DMA_CFG_RX_BUF_SIZE_MASK (0xff<<16)
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#define CGEM_DMA_CFG_RX_BUF_SIZE(sz) ((((sz) + 63) / 64) << 16)
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#define CGEM_DMA_CFG_CHKSUM_GEN_OFFLOAD_EN (1<<11)
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#define CGEM_DMA_CFG_TX_PKTBUF_MEMSZ_SEL (1<<10)
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#define CGEM_DMA_CFG_RX_PKTBUF_MEMSZ_SEL_1K (0<<8)
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#define CGEM_DMA_CFG_RX_PKTBUF_MEMSZ_SEL_2K (1<<8)
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#define CGEM_DMA_CFG_RX_PKTBUF_MEMSZ_SEL_4K (2<<8)
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#define CGEM_DMA_CFG_RX_PKTBUF_MEMSZ_SEL_8K (3<<8)
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#define CGEM_DMA_CFG_RX_PKTBUF_MEMSZ_SEL_MASK (3<<8)
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#define CGEM_DMA_CFG_AHB_ENDIAN_SWAP_PKT_EN (1<<7)
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#define CGEM_DMA_CFG_AHB_ENDIAN_SWAP_MGMT_EN (1<<6)
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#define CGEM_DMA_CFG_AHB_FIXED_BURST_LEN_1 (1<<0)
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#define CGEM_DMA_CFG_AHB_FIXED_BURST_LEN_4 (4<<0)
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#define CGEM_DMA_CFG_AHB_FIXED_BURST_LEN_8 (8<<0)
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#define CGEM_DMA_CFG_AHB_FIXED_BURST_LEN_16 (16<<0)
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#define CGEM_DMA_CFG_AHB_FIXED_BURST_LEN_MASK (0x1f<<0)
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#define CGEM_TX_STAT 0x014 /* Transmit Status */
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#define CGEM_TX_STAT_HRESP_NOT_OK (1<<8)
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#define CGEM_TX_STAT_LATE_COLL (1<<7)
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#define CGEM_TX_STAT_UNDERRUN (1<<6)
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#define CGEM_TX_STAT_COMPLETE (1<<5)
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#define CGEM_TX_STAT_CORRUPT_AHB_ERR (1<<4)
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#define CGEM_TX_STAT_GO (1<<3)
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#define CGEM_TX_STAT_RETRY_LIMIT_EXC (1<<2)
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#define CGEM_TX_STAT_COLLISION (1<<1)
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#define CGEM_TX_STAT_USED_BIT_READ (1<<0)
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#define CGEM_TX_STAT_ALL 0x1ff
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#define CGEM_RX_QBAR 0x018 /* Receive Buf Q Base Addr */
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#define CGEM_TX_QBAR 0x01C /* Transmit Buf Q Base Addr */
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#define CGEM_RX_STAT 0x020 /* Receive Status */
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#define CGEM_RX_STAT_HRESP_NOT_OK (1<<3)
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#define CGEM_RX_STAT_OVERRUN (1<<2)
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#define CGEM_RX_STAT_FRAME_RECD (1<<1)
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#define CGEM_RX_STAT_BUF_NOT_AVAIL (1<<0)
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#define CGEM_RX_STAT_ALL 0xf
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#define CGEM_INTR_STAT 0x024 /* Interrupt Status */
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#define CGEM_INTR_EN 0x028 /* Interrupt Enable */
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#define CGEM_INTR_DIS 0x02C /* Interrupt Disable */
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#define CGEM_INTR_MASK 0x030 /* Interrupt Mask */
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#define CGEM_INTR_TSU_SEC_INCR (1<<26)
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#define CGEM_INTR_PDELAY_RESP_TX (1<<25)
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#define CGEM_INTR_PDELAY_REQ_TX (1<<24)
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#define CGEM_INTR_PDELAY_RESP_RX (1<<23)
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#define CGEM_INTR_PDELAY_REQ_RX (1<<22)
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#define CGEM_INTR_SYNX_TX (1<<21)
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#define CGEM_INTR_DELAY_REQ_TX (1<<20)
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#define CGEM_INTR_SYNC_RX (1<<19)
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#define CGEM_INTR_DELAY_REQ_RX (1<<18)
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#define CGEM_INTR_PARTNER_PG_RX (1<<17)
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#define CGEM_INTR_AUTONEG_COMPL (1<<16)
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#define CGEM_INTR_EXT_INTR (1<<15)
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#define CGEM_INTR_PAUSE_TX (1<<14)
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#define CGEM_INTR_PAUSE_ZERO (1<<13)
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#define CGEM_INTR_PAUSE_NONZEROQ_RX (1<<12)
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#define CGEM_INTR_HRESP_NOT_OK (1<<11)
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#define CGEM_INTR_RX_OVERRUN (1<<10)
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#define CGEM_INTR_LINK_CHNG (1<<9)
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#define CGEM_INTR_TX_COMPLETE (1<<7)
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#define CGEM_INTR_TX_CORRUPT_AHB_ERR (1<<6)
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#define CGEM_INTR_RETRY_EX_LATE_COLLISION (1<<5)
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#define CGEM_INTR_TX_USED_READ (1<<3)
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#define CGEM_INTR_RX_USED_READ (1<<2)
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#define CGEM_INTR_RX_COMPLETE (1<<1)
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#define CGEM_INTR_MGMT_SENT (1<<0)
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#define CGEM_INTR_ALL 0x7FFFEFF
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#define CGEM_PHY_MAINT 0x034 /* PHY Maintenenace */
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#define CGEM_PHY_MAINT_CLAUSE_22 (1<<30)
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#define CGEM_PHY_MAINT_OP_SHIFT 28
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#define CGEM_PHY_MAINT_OP_MASK (3<<28)
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#define CGEM_PHY_MAINT_OP_READ (2<<28)
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#define CGEM_PHY_MAINT_OP_WRITE (1<<28)
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#define CGEM_PHY_MAINT_PHY_ADDR_SHIFT 23
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#define CGEM_PHY_MAINT_PHY_ADDR_MASK (0x1f<<23)
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#define CGEM_PHY_MAINT_REG_ADDR_SHIFT 18
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#define CGEM_PHY_MAINT_REG_ADDR_MASK (0x1f<<18)
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#define CGEM_PHY_MAINT_MUST_10 (2<<16)
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#define CGEM_PHY_MAINT_DATA_MASK 0xffff
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#define CGEM_RX_PAUSEQ 0x038 /* Received Pause Quantum */
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#define CGEM_TX_PAUSEQ 0x03C /* Transmit Puase Quantum */
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#define CGEM_HASH_BOT 0x080 /* Hash Reg Bottom [31:0] */
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#define CGEM_HASH_TOP 0x084 /* Hash Reg Top [63:32] */
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#define CGEM_SPEC_ADDR_LOW(n) (0x088+(n)*8) /* Specific Addr low */
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#define CGEM_SPEC_ADDR_HI(n) (0x08C+(n)*8) /* Specific Addr hi */
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#define CGEM_TYPE_ID_MATCH1 0x0A8 /* Type ID Match 1 */
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#define CGEM_TYPE_ID_MATCH_COPY_EN (1<<31)
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#define CGEM_TYPE_ID_MATCH2 0x0AC /* Type ID Match 2 */
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#define CGEM_TYPE_ID_MATCH3 0x0B0 /* Type ID Match 3 */
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#define CGEM_TYPE_ID_MATCH4 0x0B4 /* Type ID Match 4 */
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#define CGEM_WAKE_ON_LAN 0x0B8 /* Wake on LAN Register */
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#define CGEM_WOL_MULTI_HASH_EN (1<<19)
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#define CGEM_WOL_SPEC_ADDR1_EN (1<<18)
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#define CGEM_WOL_ARP_REQ_EN (1<<17)
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#define CGEM_WOL_MAGIC_PKT_EN (1<<16)
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#define CGEM_WOL_ARP_REQ_IP_ADDR_MASK 0xffff
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#define CGEM_IPG_STRETCH /* IPG Stretch Register */
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#define CGEM_STACKED_VLAN 0x0C0 /* Stacked VLAN Register */
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#define CGEM_STACKED_VLAN_EN (1<<31)
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#define CGEM_TX_PFC_PAUSE 0x0C4 /* Transmit PFC Pause Reg */
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#define CGEM_TX_PFC_PAUSEQ_SEL_SHIFT 8
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#define CGEM_TX_PFC_PAUSEQ_SEL_MASK (0xff<<8)
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#define CGEM_TX_PFC_PAUSE_PRI_EN_VEC_VAL_MASK 0xff
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#define CGEM_SPEC_ADDR1_MASK_BOT 0x0C8 /* Specific Addr Mask1 [31:0]*/
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#define CGEM_SPEC_ADDR1_MASK_TOP 0x0CC /* Specific Addr Mask1[47:32]*/
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#define CGEM_MODULE_ID 0x0FC /* Module ID */
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#define CGEM_OCTETS_TX_BOT 0x100 /* Octets xmitted [31:0] */
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#define CGEM_OCTETS_TX_TOP 0x104 /* Octets xmitted [47:32] */
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#define CGEM_FRAMES_TX 0x108 /* Frames xmitted */
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#define CGEM_BCAST_FRAMES_TX 0x10C /* Broadcast Frames xmitted */
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#define CGEM_MULTI_FRAMES_TX 0x110 /* Multicast Frames xmitted */
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#define CGEM_PAUSE_FRAMES_TX 0x114 /* Pause Frames xmitted */
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#define CGEM_FRAMES_64B_TX 0x118 /* 64-Byte Frames xmitted */
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#define CGEM_FRAMES_65_127B_TX 0x11C /* 65-127 Byte Frames xmitted*/
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#define CGEM_FRAMES_128_255B_TX 0x120 /* 128-255 Byte Frames xmit */
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#define CGEM_FRAMES_256_511B_TX 0x124 /* 256-511 Byte Frames xmit */
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#define CGEM_FRAMES_512_1023B_TX 0x128 /* 512-1023 Byte frames xmit */
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#define CGEM_FRAMES_1024_1518B_TX 0x12C /* 1024-1518 Byte frames xmit*/
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#define CGEM_TX_UNDERRUNS 0x134 /* Transmit Under-runs */
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#define CGEM_SINGLE_COLL_FRAMES 0x138 /* Single-Collision Frames */
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#define CGEM_MULTI_COLL_FRAMES 0x13C /* Multi-Collision Frames */
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#define CGEM_EXCESSIVE_COLL_FRAMES 0x140 /* Excessive Collision Frames*/
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#define CGEM_LATE_COLL 0x144 /* Late Collisions */
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#define CGEM_DEFERRED_TX_FRAMES 0x148 /* Deferred Transmit Frames */
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#define CGEM_CARRIER_SENSE_ERRS 0x14C /* Carrier Sense Errors */
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#define CGEM_OCTETS_RX_BOT 0x150 /* Octets Received [31:0] */
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#define CGEM_OCTETS_RX_TOP 0x154 /* Octets Received [47:32] */
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#define CGEM_FRAMES_RX 0x158 /* Frames Received */
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#define CGEM_BCAST_FRAMES_RX 0x15C /* Broadcast Frames Received */
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#define CGEM_MULTI_FRAMES_RX 0x160 /* Multicast Frames Received */
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#define CGEM_PAUSE_FRAMES_RX 0x164 /* Pause Frames Reeived */
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#define CGEM_FRAMES_64B_RX 0x168 /* 64-Byte Frames Received */
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#define CGEM_FRAMES_65_127B_RX 0x16C /* 65-127 Byte Frames Rx'd */
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#define CGEM_FRAMES_128_255B_RX 0x170 /* 128-255 Byte Frames Rx'd */
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#define CGEM_FRAMES_256_511B_RX 0x174 /* 256-511 Byte Frames Rx'd */
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#define CGEM_FRAMES_512_1023B_RX 0x178 /* 512-1023 Byte Frames Rx'd */
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#define CGEM_FRAMES_1024_1518B_RX 0x17C /* 1024-1518 Byte Frames Rx'd*/
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#define CGEM_UNDERSZ_RX 0x184 /* Undersize Frames Rx'd */
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#define CGEM_OVERSZ_RX 0x188 /* Oversize Frames Rx'd */
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#define CGEM_JABBERS_RX 0x18C /* Jabbers received */
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#define CGEM_FCS_ERRS 0x190 /* Frame Check Sequence Errs */
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#define CGEM_LENGTH_FIELD_ERRS 0x194 /* Length Firled Frame Errs */
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#define CGEM_RX_SYMBOL_ERRS 0x198 /* Receive Symbol Errs */
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#define CGEM_ALIGN_ERRS 0x19C /* Alignment Errors */
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#define CGEM_RX_RESOURCE_ERRS 0x1A0 /* Receive Resoure Errors */
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#define CGEM_RX_OVERRUN_ERRS 0x1A4 /* Receive Overrun Errors */
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#define CGEM_IP_HDR_CKSUM_ERRS 0x1A8 /* IP Hdr Checksum Errors */
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#define CGEM_TCP_CKSUM_ERRS 0x1AC /* TCP Checksum Errors */
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#define CGEM_UDP_CKSUM_ERRS 0x1B0 /* UDP Checksum Errors */
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#define CGEM_TIMER_STROBE_S 0x1C8 /* 1588 timer sync strobe s */
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#define CGEM_TIMER_STROBE_NS 0x1CC /* timer sync strobe ns */
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#define CGEM_TIMER_S 0x1D0 /* 1588 timer seconds */
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#define CGEM_TIMER_NS 0x1D4 /* 1588 timer ns */
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#define CGEM_ADJUST 0x1D8 /* 1588 timer adjust */
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#define CGEM_INCR 0x1DC /* 1588 timer increment */
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#define CGEM_PTP_TX_S 0x1E0 /* PTP Event Frame xmit secs */
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#define CGEM_PTP_TX_NS 0x1E4 /* PTP Event Frame xmit ns */
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#define CGEM_PTP_RX_S 0x1E8 /* PTP Event Frame rcv'd s */
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#define CGEM_PTP_RX_NS 0x1EC /* PTP Event Frame rcv'd ns */
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#define CGEM_PTP_PEER_TX_S 0x1F0 /* PTP Peer Event xmit s */
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#define CGEM_PTP_PEER_TX_NS 0x1F4 /* PTP Peer Event xmit ns */
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#define CGEM_PTP_PEER_RX_S 0x1F8 /* PTP Peer Event rcv'd s */
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#define CGEM_PTP_PEER_RX_NS 0x1FC /* PTP Peer Event rcv'd ns */
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#define CGEM_DESIGN_CFG2 0x284 /* Design Configuration 2 */
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#define CGEM_DESIGN_CFG2_TX_PBUF_ADDR_SHIFT 26
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#define CGEM_DESIGN_CFG2_TX_PBUF_ADDR_MASK (0xf<<26)
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#define CGEM_DESIGN_CFG2_RX_PBUF_ADDR_SHIFT 22
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#define CGEM_DESIGN_CFG2_RX_PBUF_ADDR_MASK (0xf<<22)
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#define CGEM_DESIGN_CFG2_TX_PKT_BUF (1<<21)
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#define CGEM_DESIGN_CFG2_RX_PKT_BUF (1<<20)
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#define CGEM_DESIGN_CFG2_HPROT_VAL_SHIFT 16
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#define CGEM_DESIGN_CFG2_HPROT_VAL_MASK (0xf<<16)
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#define CGEM_DESIGN_CFG2_JUMBO_MAX_LEN_MASK 0xffff
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#define CGEM_DESIGN_CFG3 0x288 /* Design Configuration 3 */
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#define CGEM_DESIGN_CFG3_RX_BASE2_FIFO_SZ_MASK (0xffff<<16)
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#define CGEM_DESIGN_CFG3_RX_BASE2_FIFO_SZ_SHIFT 16
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#define CGEM_DESIGN_CFG3_RX_FIFO_SIZE_MASK 0xffff
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#define CGEM_DESIGN_CFG4 0x28C /* Design Configuration 4 */
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#define CGEM_DESIGN_CFG4_TX_BASE2_FIFO_SZ_SHIFT 16
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#define CGEM_DESIGN_CFG4_TX_BASE2_FIFO_SZ_MASK (0xffff<<16)
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#define CGEM_DESIGN_CFG4_TX_FIFO_SIZE_MASK 0xffff
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#define CGEM_DESIGN_CFG5 0x290 /* Design Configuration 5 */
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#define CGEM_DESIGN_CFG5_TSU_CLK (1<<28)
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#define CGEM_DESIGN_CFG5_RX_BUF_LEN_DEF_SHIFT 20
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#define CGEM_DESIGN_CFG5_RX_BUF_LEN_DEF_MASK (0xff<<20)
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#define CGEM_DESIGN_CFG5_TX_PBUF_SIZE_DEF (1<<19)
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#define CGEM_DESIGN_CFG5_RX_PBUF_SIZE_DEF_SHIFT 17
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#define CGEM_DESIGN_CFG5_RX_PBUF_SIZE_DEF_MASK (3<<17)
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#define CGEM_DESIGN_CFG5_ENDIAN_SWAP_DEF_SHIFT 15
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#define CGEM_DESIGN_CFG5_ENDIAN_SWAP_DEF_MASK (3<<15)
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#define CGEM_DESIGN_CFG5_MDC_CLOCK_DIV_SHIFT 12
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#define CGEM_DESIGN_CFG5_MDC_CLOCK_DIV_MASK (7<<12)
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#define CGEM_DESIGN_CFG5_DMA_BUS_WIDTH_SHIFT 10
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#define CGEM_DESIGN_CFG5_DMA_BUS_WIDTH_MASK (3<<10)
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#define CGEM_DESIGN_CFG5_PHY_IDENT (1<<9)
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#define CGEM_DESIGN_CFG5_TSU (1<<8)
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#define CGEM_DESIGN_CFG5_TX_FIFO_CNT_WIDTH_SHIFT 4
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#define CGEM_DESIGN_CFG5_TX_FIFO_CNT_WIDTH_MASK (0xf<<4)
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#define CGEM_DESIGN_CFG5_RX_FIFO_CNT_WIDTH_MASK 0xf
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/* Transmit Descriptors */
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struct cgem_tx_desc {
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uint32_t addr;
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uint32_t ctl;
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#define CGEM_TXDESC_USED (1<<31) /* done transmitting */
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#define CGEM_TXDESC_WRAP (1<<30) /* end of descr ring */
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#define CGEM_TXDESC_RETRY_ERR (1<<29)
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#define CGEM_TXDESC_AHB_ERR (1<<27)
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#define CGEM_TXDESC_LATE_COLL (1<<26)
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#define CGEM_TXDESC_CKSUM_GEN_STAT_MASK (7<<20)
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#define CGEM_TXDESC_CKSUM_GEN_STAT_VLAN_HDR_ERR (1<<20)
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#define CGEM_TXDESC_CKSUM_GEN_STAT_SNAP_HDR_ERR (2<<20)
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#define CGEM_TXDESC_CKSUM_GEN_STAT_IP_HDR_ERR (3<<20)
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#define CGEM_TXDESC_CKSUM_GEN_STAT_UNKNOWN_TYPE (4<<20)
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#define CGEM_TXDESC_CKSUM_GEN_STAT_UNSUPP_FRAG (5<<20)
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#define CGEM_TXDESC_CKSUM_GEN_STAT_NOT_TCPUDP (6<<20)
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#define CGEM_TXDESC_CKSUM_GEN_STAT_SHORT_PKT (7<<20)
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#define CGEM_TXDESC_NO_CRC_APPENDED (1<<16)
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#define CGEM_TXDESC_LAST_BUF (1<<15) /* last buf in frame */
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#define CGEM_TXDESC_LENGTH_MASK 0x3fff
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};
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struct cgem_rx_desc {
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uint32_t addr;
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#define CGEM_RXDESC_WRAP (1<<1) /* goes in addr! */
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#define CGEM_RXDESC_OWN (1<<0) /* buf filled */
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uint32_t ctl;
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#define CGEM_RXDESC_BCAST (1<<31) /* all 1's broadcast */
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#define CGEM_RXDESC_MULTI_MATCH (1<<30) /* mutlicast match */
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#define CGEM_RXDESC_UNICAST_MATCH (1<<29)
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#define CGEM_RXDESC_EXTERNAL_MATCH (1<<28) /* ext addr match */
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#define CGEM_RXDESC_SPEC_MATCH_SHIFT 25
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#define CGEM_RXDESC_SPEC_MATCH_MASK (3<<25)
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#define CGEM_RXDESC_TYPE_ID_MATCH_SHIFT 22
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#define CGEM_RXDESC_TYPE_ID_MATCH_MASK (3<<22)
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#define CGEM_RXDESC_CKSUM_STAT_MASK (3<<22) /* same field above */
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#define CGEM_RXDESC_CKSUM_STAT_NONE (0<<22)
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#define CGEM_RXDESC_CKSUM_STAT_IP_GOOD (1<<22)
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#define CGEM_RXDESC_CKSUM_STAT_TCP_GOOD (2<<22) /* and ip good */
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#define CGEM_RXDESC_CKSUM_STAT_UDP_GOOD (3<<22) /* and ip good */
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#define CGEM_RXDESC_VLAN_DETECTED (1<<21)
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#define CGEM_RXDESC_PRIO_DETECTED (1<<20)
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#define CGEM_RXDESC_VLAN_PRIO_SHIFT 17
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#define CGEM_RXDESC_VLAN_PRIO_MASK (7<<17)
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#define CGEM_RXDESC_CFI (1<<16)
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#define CGEM_RXDESC_EOF (1<<15) /* end of frame */
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#define CGEM_RXDESC_SOF (1<<14) /* start of frame */
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#define CGEM_RXDESC_BAD_FCS (1<<13)
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#define CGEM_RXDESC_LENGTH_MASK 0x1fff
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};
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#endif /* _IF_CGEM_HW_H_ */
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