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![Biju Das](/assets/img/avatar_default.png)
Align the member description comments for struct ravb_desc by removing the extra TAB. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Sergei Shtylyov <sergei.shtylyov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
1068 lines
23 KiB
C
1068 lines
23 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Renesas Ethernet AVB device driver
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*
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* Copyright (C) 2014-2015 Renesas Electronics Corporation
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* Copyright (C) 2015 Renesas Solutions Corp.
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* Copyright (C) 2015-2016 Cogent Embedded, Inc. <source@cogentembedded.com>
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*
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* Based on the SuperH Ethernet driver
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*/
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#ifndef __RAVB_H__
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#define __RAVB_H__
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#include <linux/interrupt.h>
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#include <linux/io.h>
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#include <linux/kernel.h>
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#include <linux/mdio-bitbang.h>
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#include <linux/netdevice.h>
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#include <linux/phy.h>
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#include <linux/platform_device.h>
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#include <linux/ptp_clock_kernel.h>
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#define BE_TX_RING_SIZE 64 /* TX ring size for Best Effort */
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#define BE_RX_RING_SIZE 1024 /* RX ring size for Best Effort */
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#define NC_TX_RING_SIZE 64 /* TX ring size for Network Control */
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#define NC_RX_RING_SIZE 64 /* RX ring size for Network Control */
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#define BE_TX_RING_MIN 64
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#define BE_RX_RING_MIN 64
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#define BE_TX_RING_MAX 1024
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#define BE_RX_RING_MAX 2048
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#define PKT_BUF_SZ 1538
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/* Driver's parameters */
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#define RAVB_ALIGN 128
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/* Hardware time stamp */
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#define RAVB_TXTSTAMP_VALID 0x00000001 /* TX timestamp valid */
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#define RAVB_TXTSTAMP_ENABLED 0x00000010 /* Enable TX timestamping */
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#define RAVB_RXTSTAMP_VALID 0x00000001 /* RX timestamp valid */
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#define RAVB_RXTSTAMP_TYPE 0x00000006 /* RX type mask */
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#define RAVB_RXTSTAMP_TYPE_V2_L2_EVENT 0x00000002
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#define RAVB_RXTSTAMP_TYPE_ALL 0x00000006
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#define RAVB_RXTSTAMP_ENABLED 0x00000010 /* Enable RX timestamping */
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enum ravb_reg {
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/* AVB-DMAC registers */
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CCC = 0x0000,
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DBAT = 0x0004,
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DLR = 0x0008,
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CSR = 0x000C,
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CDAR0 = 0x0010,
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CDAR1 = 0x0014,
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CDAR2 = 0x0018,
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CDAR3 = 0x001C,
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CDAR4 = 0x0020,
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CDAR5 = 0x0024,
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CDAR6 = 0x0028,
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CDAR7 = 0x002C,
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CDAR8 = 0x0030,
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CDAR9 = 0x0034,
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CDAR10 = 0x0038,
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CDAR11 = 0x003C,
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CDAR12 = 0x0040,
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CDAR13 = 0x0044,
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CDAR14 = 0x0048,
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CDAR15 = 0x004C,
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CDAR16 = 0x0050,
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CDAR17 = 0x0054,
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CDAR18 = 0x0058,
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CDAR19 = 0x005C,
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CDAR20 = 0x0060,
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CDAR21 = 0x0064,
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ESR = 0x0088,
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APSR = 0x008C, /* R-Car Gen3 only */
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RCR = 0x0090,
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RQC0 = 0x0094,
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RQC1 = 0x0098,
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RQC2 = 0x009C,
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RQC3 = 0x00A0,
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RQC4 = 0x00A4,
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RPC = 0x00B0,
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UFCW = 0x00BC,
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UFCS = 0x00C0,
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UFCV0 = 0x00C4,
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UFCV1 = 0x00C8,
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UFCV2 = 0x00CC,
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UFCV3 = 0x00D0,
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UFCV4 = 0x00D4,
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UFCD0 = 0x00E0,
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UFCD1 = 0x00E4,
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UFCD2 = 0x00E8,
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UFCD3 = 0x00EC,
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UFCD4 = 0x00F0,
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SFO = 0x00FC,
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SFP0 = 0x0100,
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SFP1 = 0x0104,
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SFP2 = 0x0108,
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SFP3 = 0x010C,
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SFP4 = 0x0110,
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SFP5 = 0x0114,
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SFP6 = 0x0118,
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SFP7 = 0x011C,
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SFP8 = 0x0120,
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SFP9 = 0x0124,
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SFP10 = 0x0128,
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SFP11 = 0x012C,
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SFP12 = 0x0130,
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SFP13 = 0x0134,
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SFP14 = 0x0138,
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SFP15 = 0x013C,
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SFP16 = 0x0140,
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SFP17 = 0x0144,
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SFP18 = 0x0148,
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SFP19 = 0x014C,
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SFP20 = 0x0150,
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SFP21 = 0x0154,
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SFP22 = 0x0158,
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SFP23 = 0x015C,
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SFP24 = 0x0160,
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SFP25 = 0x0164,
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SFP26 = 0x0168,
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SFP27 = 0x016C,
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SFP28 = 0x0170,
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SFP29 = 0x0174,
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SFP30 = 0x0178,
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SFP31 = 0x017C,
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SFM0 = 0x01C0,
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SFM1 = 0x01C4,
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TGC = 0x0300,
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TCCR = 0x0304,
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TSR = 0x0308,
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TFA0 = 0x0310,
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TFA1 = 0x0314,
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TFA2 = 0x0318,
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CIVR0 = 0x0320,
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CIVR1 = 0x0324,
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CDVR0 = 0x0328,
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CDVR1 = 0x032C,
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CUL0 = 0x0330,
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CUL1 = 0x0334,
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CLL0 = 0x0338,
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CLL1 = 0x033C,
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DIC = 0x0350,
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DIS = 0x0354,
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EIC = 0x0358,
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EIS = 0x035C,
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RIC0 = 0x0360,
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RIS0 = 0x0364,
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RIC1 = 0x0368,
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RIS1 = 0x036C,
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RIC2 = 0x0370,
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RIS2 = 0x0374,
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TIC = 0x0378,
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TIS = 0x037C,
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ISS = 0x0380,
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CIE = 0x0384, /* R-Car Gen3 only */
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GCCR = 0x0390,
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GMTT = 0x0394,
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GPTC = 0x0398,
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GTI = 0x039C,
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GTO0 = 0x03A0,
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GTO1 = 0x03A4,
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GTO2 = 0x03A8,
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GIC = 0x03AC,
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GIS = 0x03B0,
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GCPT = 0x03B4, /* Documented for R-Car Gen3 only */
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GCT0 = 0x03B8,
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GCT1 = 0x03BC,
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GCT2 = 0x03C0,
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GIE = 0x03CC, /* R-Car Gen3 only */
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GID = 0x03D0, /* R-Car Gen3 only */
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DIL = 0x0440, /* R-Car Gen3 only */
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RIE0 = 0x0460, /* R-Car Gen3 only */
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RID0 = 0x0464, /* R-Car Gen3 only */
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RIE2 = 0x0470, /* R-Car Gen3 only */
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RID2 = 0x0474, /* R-Car Gen3 only */
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TIE = 0x0478, /* R-Car Gen3 only */
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TID = 0x047c, /* R-Car Gen3 only */
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/* E-MAC registers */
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ECMR = 0x0500,
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RFLR = 0x0508,
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ECSR = 0x0510,
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ECSIPR = 0x0518,
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PIR = 0x0520,
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PSR = 0x0528,
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PIPR = 0x052c,
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MPR = 0x0558,
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PFTCR = 0x055c,
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PFRCR = 0x0560,
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GECMR = 0x05b0,
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MAHR = 0x05c0,
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MALR = 0x05c8,
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TROCR = 0x0700, /* R-Car Gen3 only */
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CEFCR = 0x0740,
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FRECR = 0x0748,
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TSFRCR = 0x0750,
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TLFRCR = 0x0758,
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RFCR = 0x0760,
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MAFCR = 0x0778,
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};
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/* Register bits of the Ethernet AVB */
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/* CCC */
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enum CCC_BIT {
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CCC_OPC = 0x00000003,
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CCC_OPC_RESET = 0x00000000,
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CCC_OPC_CONFIG = 0x00000001,
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CCC_OPC_OPERATION = 0x00000002,
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CCC_GAC = 0x00000080,
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CCC_DTSR = 0x00000100,
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CCC_CSEL = 0x00030000,
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CCC_CSEL_HPB = 0x00010000,
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CCC_CSEL_ETH_TX = 0x00020000,
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CCC_CSEL_GMII_REF = 0x00030000,
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CCC_LBME = 0x01000000,
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};
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/* CSR */
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enum CSR_BIT {
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CSR_OPS = 0x0000000F,
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CSR_OPS_RESET = 0x00000001,
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CSR_OPS_CONFIG = 0x00000002,
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CSR_OPS_OPERATION = 0x00000004,
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CSR_OPS_STANDBY = 0x00000008, /* Documented for R-Car Gen3 only */
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CSR_DTS = 0x00000100,
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CSR_TPO0 = 0x00010000,
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CSR_TPO1 = 0x00020000,
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CSR_TPO2 = 0x00040000,
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CSR_TPO3 = 0x00080000,
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CSR_RPO = 0x00100000,
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};
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/* ESR */
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enum ESR_BIT {
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ESR_EQN = 0x0000001F,
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ESR_ET = 0x00000F00,
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ESR_EIL = 0x00001000,
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};
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/* APSR (R-Car Gen3 only) */
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enum APSR_BIT {
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APSR_MEMS = 0x00000002, /* Undocumented */
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APSR_CMSW = 0x00000010,
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APSR_RDM = 0x00002000,
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APSR_TDM = 0x00004000,
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};
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/* RCR */
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enum RCR_BIT {
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RCR_EFFS = 0x00000001,
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RCR_ENCF = 0x00000002,
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RCR_ESF = 0x0000000C,
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RCR_ETS0 = 0x00000010,
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RCR_ETS2 = 0x00000020,
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RCR_RFCL = 0x1FFF0000,
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};
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/* RQC0/1/2/3/4 */
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enum RQC_BIT {
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RQC_RSM0 = 0x00000003,
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RQC_UFCC0 = 0x00000030,
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RQC_RSM1 = 0x00000300,
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RQC_UFCC1 = 0x00003000,
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RQC_RSM2 = 0x00030000,
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RQC_UFCC2 = 0x00300000,
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RQC_RSM3 = 0x03000000,
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RQC_UFCC3 = 0x30000000,
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};
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/* RPC */
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enum RPC_BIT {
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RPC_PCNT = 0x00000700,
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RPC_DCNT = 0x00FF0000,
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};
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/* UFCW */
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enum UFCW_BIT {
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UFCW_WL0 = 0x0000003F,
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UFCW_WL1 = 0x00003F00,
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UFCW_WL2 = 0x003F0000,
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UFCW_WL3 = 0x3F000000,
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};
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/* UFCS */
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enum UFCS_BIT {
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UFCS_SL0 = 0x0000003F,
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UFCS_SL1 = 0x00003F00,
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UFCS_SL2 = 0x003F0000,
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UFCS_SL3 = 0x3F000000,
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};
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/* UFCV0/1/2/3/4 */
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enum UFCV_BIT {
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UFCV_CV0 = 0x0000003F,
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UFCV_CV1 = 0x00003F00,
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UFCV_CV2 = 0x003F0000,
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UFCV_CV3 = 0x3F000000,
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};
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/* UFCD0/1/2/3/4 */
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enum UFCD_BIT {
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UFCD_DV0 = 0x0000003F,
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UFCD_DV1 = 0x00003F00,
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UFCD_DV2 = 0x003F0000,
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UFCD_DV3 = 0x3F000000,
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};
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/* SFO */
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enum SFO_BIT {
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SFO_FBP = 0x0000003F,
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};
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/* RTC */
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enum RTC_BIT {
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RTC_MFL0 = 0x00000FFF,
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RTC_MFL1 = 0x0FFF0000,
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};
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/* TGC */
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enum TGC_BIT {
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TGC_TSM0 = 0x00000001,
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TGC_TSM1 = 0x00000002,
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TGC_TSM2 = 0x00000004,
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TGC_TSM3 = 0x00000008,
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TGC_TQP = 0x00000030,
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TGC_TQP_NONAVB = 0x00000000,
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TGC_TQP_AVBMODE1 = 0x00000010,
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TGC_TQP_AVBMODE2 = 0x00000030,
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TGC_TBD0 = 0x00000300,
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TGC_TBD1 = 0x00003000,
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TGC_TBD2 = 0x00030000,
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TGC_TBD3 = 0x00300000,
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};
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/* TCCR */
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enum TCCR_BIT {
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TCCR_TSRQ0 = 0x00000001,
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TCCR_TSRQ1 = 0x00000002,
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TCCR_TSRQ2 = 0x00000004,
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TCCR_TSRQ3 = 0x00000008,
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TCCR_TFEN = 0x00000100,
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TCCR_TFR = 0x00000200,
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};
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/* TSR */
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enum TSR_BIT {
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TSR_CCS0 = 0x00000003,
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TSR_CCS1 = 0x0000000C,
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TSR_TFFL = 0x00000700,
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};
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/* TFA2 */
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enum TFA2_BIT {
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TFA2_TSV = 0x0000FFFF,
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TFA2_TST = 0x03FF0000,
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};
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/* DIC */
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enum DIC_BIT {
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DIC_DPE1 = 0x00000002,
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DIC_DPE2 = 0x00000004,
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DIC_DPE3 = 0x00000008,
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DIC_DPE4 = 0x00000010,
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DIC_DPE5 = 0x00000020,
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DIC_DPE6 = 0x00000040,
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DIC_DPE7 = 0x00000080,
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DIC_DPE8 = 0x00000100,
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DIC_DPE9 = 0x00000200,
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DIC_DPE10 = 0x00000400,
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DIC_DPE11 = 0x00000800,
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DIC_DPE12 = 0x00001000,
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DIC_DPE13 = 0x00002000,
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DIC_DPE14 = 0x00004000,
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DIC_DPE15 = 0x00008000,
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};
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/* DIS */
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enum DIS_BIT {
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DIS_DPF1 = 0x00000002,
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DIS_DPF2 = 0x00000004,
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DIS_DPF3 = 0x00000008,
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DIS_DPF4 = 0x00000010,
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DIS_DPF5 = 0x00000020,
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DIS_DPF6 = 0x00000040,
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DIS_DPF7 = 0x00000080,
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DIS_DPF8 = 0x00000100,
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DIS_DPF9 = 0x00000200,
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DIS_DPF10 = 0x00000400,
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DIS_DPF11 = 0x00000800,
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DIS_DPF12 = 0x00001000,
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DIS_DPF13 = 0x00002000,
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DIS_DPF14 = 0x00004000,
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DIS_DPF15 = 0x00008000,
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};
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/* EIC */
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enum EIC_BIT {
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EIC_MREE = 0x00000001,
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EIC_MTEE = 0x00000002,
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EIC_QEE = 0x00000004,
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EIC_SEE = 0x00000008,
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EIC_CLLE0 = 0x00000010,
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EIC_CLLE1 = 0x00000020,
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EIC_CULE0 = 0x00000040,
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EIC_CULE1 = 0x00000080,
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EIC_TFFE = 0x00000100,
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};
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/* EIS */
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enum EIS_BIT {
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EIS_MREF = 0x00000001,
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EIS_MTEF = 0x00000002,
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EIS_QEF = 0x00000004,
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EIS_SEF = 0x00000008,
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EIS_CLLF0 = 0x00000010,
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EIS_CLLF1 = 0x00000020,
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EIS_CULF0 = 0x00000040,
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EIS_CULF1 = 0x00000080,
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EIS_TFFF = 0x00000100,
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EIS_QFS = 0x00010000,
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EIS_RESERVED = (GENMASK(31, 17) | GENMASK(15, 11)),
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};
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/* RIC0 */
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enum RIC0_BIT {
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RIC0_FRE0 = 0x00000001,
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RIC0_FRE1 = 0x00000002,
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RIC0_FRE2 = 0x00000004,
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RIC0_FRE3 = 0x00000008,
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RIC0_FRE4 = 0x00000010,
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RIC0_FRE5 = 0x00000020,
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RIC0_FRE6 = 0x00000040,
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RIC0_FRE7 = 0x00000080,
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RIC0_FRE8 = 0x00000100,
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RIC0_FRE9 = 0x00000200,
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RIC0_FRE10 = 0x00000400,
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RIC0_FRE11 = 0x00000800,
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RIC0_FRE12 = 0x00001000,
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RIC0_FRE13 = 0x00002000,
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RIC0_FRE14 = 0x00004000,
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RIC0_FRE15 = 0x00008000,
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RIC0_FRE16 = 0x00010000,
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RIC0_FRE17 = 0x00020000,
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};
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/* RIC0 */
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enum RIS0_BIT {
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RIS0_FRF0 = 0x00000001,
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RIS0_FRF1 = 0x00000002,
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RIS0_FRF2 = 0x00000004,
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RIS0_FRF3 = 0x00000008,
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RIS0_FRF4 = 0x00000010,
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RIS0_FRF5 = 0x00000020,
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RIS0_FRF6 = 0x00000040,
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RIS0_FRF7 = 0x00000080,
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RIS0_FRF8 = 0x00000100,
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RIS0_FRF9 = 0x00000200,
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RIS0_FRF10 = 0x00000400,
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RIS0_FRF11 = 0x00000800,
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RIS0_FRF12 = 0x00001000,
|
|
RIS0_FRF13 = 0x00002000,
|
|
RIS0_FRF14 = 0x00004000,
|
|
RIS0_FRF15 = 0x00008000,
|
|
RIS0_FRF16 = 0x00010000,
|
|
RIS0_FRF17 = 0x00020000,
|
|
RIS0_RESERVED = GENMASK(31, 18),
|
|
};
|
|
|
|
/* RIC1 */
|
|
enum RIC1_BIT {
|
|
RIC1_RFWE = 0x80000000,
|
|
};
|
|
|
|
/* RIS1 */
|
|
enum RIS1_BIT {
|
|
RIS1_RFWF = 0x80000000,
|
|
};
|
|
|
|
/* RIC2 */
|
|
enum RIC2_BIT {
|
|
RIC2_QFE0 = 0x00000001,
|
|
RIC2_QFE1 = 0x00000002,
|
|
RIC2_QFE2 = 0x00000004,
|
|
RIC2_QFE3 = 0x00000008,
|
|
RIC2_QFE4 = 0x00000010,
|
|
RIC2_QFE5 = 0x00000020,
|
|
RIC2_QFE6 = 0x00000040,
|
|
RIC2_QFE7 = 0x00000080,
|
|
RIC2_QFE8 = 0x00000100,
|
|
RIC2_QFE9 = 0x00000200,
|
|
RIC2_QFE10 = 0x00000400,
|
|
RIC2_QFE11 = 0x00000800,
|
|
RIC2_QFE12 = 0x00001000,
|
|
RIC2_QFE13 = 0x00002000,
|
|
RIC2_QFE14 = 0x00004000,
|
|
RIC2_QFE15 = 0x00008000,
|
|
RIC2_QFE16 = 0x00010000,
|
|
RIC2_QFE17 = 0x00020000,
|
|
RIC2_RFFE = 0x80000000,
|
|
};
|
|
|
|
/* RIS2 */
|
|
enum RIS2_BIT {
|
|
RIS2_QFF0 = 0x00000001,
|
|
RIS2_QFF1 = 0x00000002,
|
|
RIS2_QFF2 = 0x00000004,
|
|
RIS2_QFF3 = 0x00000008,
|
|
RIS2_QFF4 = 0x00000010,
|
|
RIS2_QFF5 = 0x00000020,
|
|
RIS2_QFF6 = 0x00000040,
|
|
RIS2_QFF7 = 0x00000080,
|
|
RIS2_QFF8 = 0x00000100,
|
|
RIS2_QFF9 = 0x00000200,
|
|
RIS2_QFF10 = 0x00000400,
|
|
RIS2_QFF11 = 0x00000800,
|
|
RIS2_QFF12 = 0x00001000,
|
|
RIS2_QFF13 = 0x00002000,
|
|
RIS2_QFF14 = 0x00004000,
|
|
RIS2_QFF15 = 0x00008000,
|
|
RIS2_QFF16 = 0x00010000,
|
|
RIS2_QFF17 = 0x00020000,
|
|
RIS2_RFFF = 0x80000000,
|
|
RIS2_RESERVED = GENMASK(30, 18),
|
|
};
|
|
|
|
/* TIC */
|
|
enum TIC_BIT {
|
|
TIC_FTE0 = 0x00000001, /* Documented for R-Car Gen3 only */
|
|
TIC_FTE1 = 0x00000002, /* Documented for R-Car Gen3 only */
|
|
TIC_TFUE = 0x00000100,
|
|
TIC_TFWE = 0x00000200,
|
|
};
|
|
|
|
/* TIS */
|
|
enum TIS_BIT {
|
|
TIS_FTF0 = 0x00000001, /* Documented for R-Car Gen3 only */
|
|
TIS_FTF1 = 0x00000002, /* Documented for R-Car Gen3 only */
|
|
TIS_TFUF = 0x00000100,
|
|
TIS_TFWF = 0x00000200,
|
|
TIS_RESERVED = (GENMASK(31, 20) | GENMASK(15, 12) | GENMASK(7, 4))
|
|
};
|
|
|
|
/* ISS */
|
|
enum ISS_BIT {
|
|
ISS_FRS = 0x00000001, /* Documented for R-Car Gen3 only */
|
|
ISS_FTS = 0x00000004, /* Documented for R-Car Gen3 only */
|
|
ISS_ES = 0x00000040,
|
|
ISS_MS = 0x00000080,
|
|
ISS_TFUS = 0x00000100,
|
|
ISS_TFWS = 0x00000200,
|
|
ISS_RFWS = 0x00001000,
|
|
ISS_CGIS = 0x00002000,
|
|
ISS_DPS1 = 0x00020000,
|
|
ISS_DPS2 = 0x00040000,
|
|
ISS_DPS3 = 0x00080000,
|
|
ISS_DPS4 = 0x00100000,
|
|
ISS_DPS5 = 0x00200000,
|
|
ISS_DPS6 = 0x00400000,
|
|
ISS_DPS7 = 0x00800000,
|
|
ISS_DPS8 = 0x01000000,
|
|
ISS_DPS9 = 0x02000000,
|
|
ISS_DPS10 = 0x04000000,
|
|
ISS_DPS11 = 0x08000000,
|
|
ISS_DPS12 = 0x10000000,
|
|
ISS_DPS13 = 0x20000000,
|
|
ISS_DPS14 = 0x40000000,
|
|
ISS_DPS15 = 0x80000000,
|
|
};
|
|
|
|
/* CIE (R-Car Gen3 only) */
|
|
enum CIE_BIT {
|
|
CIE_CRIE = 0x00000001,
|
|
CIE_CTIE = 0x00000100,
|
|
CIE_RQFM = 0x00010000,
|
|
CIE_CL0M = 0x00020000,
|
|
CIE_RFWL = 0x00040000,
|
|
CIE_RFFL = 0x00080000,
|
|
};
|
|
|
|
/* GCCR */
|
|
enum GCCR_BIT {
|
|
GCCR_TCR = 0x00000003,
|
|
GCCR_TCR_NOREQ = 0x00000000, /* No request */
|
|
GCCR_TCR_RESET = 0x00000001, /* gPTP/AVTP presentation timer reset */
|
|
GCCR_TCR_CAPTURE = 0x00000003, /* Capture value set in GCCR.TCSS */
|
|
GCCR_LTO = 0x00000004,
|
|
GCCR_LTI = 0x00000008,
|
|
GCCR_LPTC = 0x00000010,
|
|
GCCR_LMTT = 0x00000020,
|
|
GCCR_TCSS = 0x00000300,
|
|
GCCR_TCSS_GPTP = 0x00000000, /* gPTP timer value */
|
|
GCCR_TCSS_ADJGPTP = 0x00000100, /* Adjusted gPTP timer value */
|
|
GCCR_TCSS_AVTP = 0x00000200, /* AVTP presentation time value */
|
|
};
|
|
|
|
/* GTI */
|
|
enum GTI_BIT {
|
|
GTI_TIV = 0x0FFFFFFF,
|
|
};
|
|
|
|
#define GTI_TIV_MAX GTI_TIV
|
|
#define GTI_TIV_MIN 0x20
|
|
|
|
/* GIC */
|
|
enum GIC_BIT {
|
|
GIC_PTCE = 0x00000001, /* Documented for R-Car Gen3 only */
|
|
GIC_PTME = 0x00000004,
|
|
};
|
|
|
|
/* GIS */
|
|
enum GIS_BIT {
|
|
GIS_PTCF = 0x00000001, /* Documented for R-Car Gen3 only */
|
|
GIS_PTMF = 0x00000004,
|
|
GIS_RESERVED = GENMASK(15, 10),
|
|
};
|
|
|
|
/* GIE (R-Car Gen3 only) */
|
|
enum GIE_BIT {
|
|
GIE_PTCS = 0x00000001,
|
|
GIE_PTOS = 0x00000002,
|
|
GIE_PTMS0 = 0x00000004,
|
|
GIE_PTMS1 = 0x00000008,
|
|
GIE_PTMS2 = 0x00000010,
|
|
GIE_PTMS3 = 0x00000020,
|
|
GIE_PTMS4 = 0x00000040,
|
|
GIE_PTMS5 = 0x00000080,
|
|
GIE_PTMS6 = 0x00000100,
|
|
GIE_PTMS7 = 0x00000200,
|
|
GIE_ATCS0 = 0x00010000,
|
|
GIE_ATCS1 = 0x00020000,
|
|
GIE_ATCS2 = 0x00040000,
|
|
GIE_ATCS3 = 0x00080000,
|
|
GIE_ATCS4 = 0x00100000,
|
|
GIE_ATCS5 = 0x00200000,
|
|
GIE_ATCS6 = 0x00400000,
|
|
GIE_ATCS7 = 0x00800000,
|
|
GIE_ATCS8 = 0x01000000,
|
|
GIE_ATCS9 = 0x02000000,
|
|
GIE_ATCS10 = 0x04000000,
|
|
GIE_ATCS11 = 0x08000000,
|
|
GIE_ATCS12 = 0x10000000,
|
|
GIE_ATCS13 = 0x20000000,
|
|
GIE_ATCS14 = 0x40000000,
|
|
GIE_ATCS15 = 0x80000000,
|
|
};
|
|
|
|
/* GID (R-Car Gen3 only) */
|
|
enum GID_BIT {
|
|
GID_PTCD = 0x00000001,
|
|
GID_PTOD = 0x00000002,
|
|
GID_PTMD0 = 0x00000004,
|
|
GID_PTMD1 = 0x00000008,
|
|
GID_PTMD2 = 0x00000010,
|
|
GID_PTMD3 = 0x00000020,
|
|
GID_PTMD4 = 0x00000040,
|
|
GID_PTMD5 = 0x00000080,
|
|
GID_PTMD6 = 0x00000100,
|
|
GID_PTMD7 = 0x00000200,
|
|
GID_ATCD0 = 0x00010000,
|
|
GID_ATCD1 = 0x00020000,
|
|
GID_ATCD2 = 0x00040000,
|
|
GID_ATCD3 = 0x00080000,
|
|
GID_ATCD4 = 0x00100000,
|
|
GID_ATCD5 = 0x00200000,
|
|
GID_ATCD6 = 0x00400000,
|
|
GID_ATCD7 = 0x00800000,
|
|
GID_ATCD8 = 0x01000000,
|
|
GID_ATCD9 = 0x02000000,
|
|
GID_ATCD10 = 0x04000000,
|
|
GID_ATCD11 = 0x08000000,
|
|
GID_ATCD12 = 0x10000000,
|
|
GID_ATCD13 = 0x20000000,
|
|
GID_ATCD14 = 0x40000000,
|
|
GID_ATCD15 = 0x80000000,
|
|
};
|
|
|
|
/* RIE0 (R-Car Gen3 only) */
|
|
enum RIE0_BIT {
|
|
RIE0_FRS0 = 0x00000001,
|
|
RIE0_FRS1 = 0x00000002,
|
|
RIE0_FRS2 = 0x00000004,
|
|
RIE0_FRS3 = 0x00000008,
|
|
RIE0_FRS4 = 0x00000010,
|
|
RIE0_FRS5 = 0x00000020,
|
|
RIE0_FRS6 = 0x00000040,
|
|
RIE0_FRS7 = 0x00000080,
|
|
RIE0_FRS8 = 0x00000100,
|
|
RIE0_FRS9 = 0x00000200,
|
|
RIE0_FRS10 = 0x00000400,
|
|
RIE0_FRS11 = 0x00000800,
|
|
RIE0_FRS12 = 0x00001000,
|
|
RIE0_FRS13 = 0x00002000,
|
|
RIE0_FRS14 = 0x00004000,
|
|
RIE0_FRS15 = 0x00008000,
|
|
RIE0_FRS16 = 0x00010000,
|
|
RIE0_FRS17 = 0x00020000,
|
|
};
|
|
|
|
/* RID0 (R-Car Gen3 only) */
|
|
enum RID0_BIT {
|
|
RID0_FRD0 = 0x00000001,
|
|
RID0_FRD1 = 0x00000002,
|
|
RID0_FRD2 = 0x00000004,
|
|
RID0_FRD3 = 0x00000008,
|
|
RID0_FRD4 = 0x00000010,
|
|
RID0_FRD5 = 0x00000020,
|
|
RID0_FRD6 = 0x00000040,
|
|
RID0_FRD7 = 0x00000080,
|
|
RID0_FRD8 = 0x00000100,
|
|
RID0_FRD9 = 0x00000200,
|
|
RID0_FRD10 = 0x00000400,
|
|
RID0_FRD11 = 0x00000800,
|
|
RID0_FRD12 = 0x00001000,
|
|
RID0_FRD13 = 0x00002000,
|
|
RID0_FRD14 = 0x00004000,
|
|
RID0_FRD15 = 0x00008000,
|
|
RID0_FRD16 = 0x00010000,
|
|
RID0_FRD17 = 0x00020000,
|
|
};
|
|
|
|
/* RIE2 (R-Car Gen3 only) */
|
|
enum RIE2_BIT {
|
|
RIE2_QFS0 = 0x00000001,
|
|
RIE2_QFS1 = 0x00000002,
|
|
RIE2_QFS2 = 0x00000004,
|
|
RIE2_QFS3 = 0x00000008,
|
|
RIE2_QFS4 = 0x00000010,
|
|
RIE2_QFS5 = 0x00000020,
|
|
RIE2_QFS6 = 0x00000040,
|
|
RIE2_QFS7 = 0x00000080,
|
|
RIE2_QFS8 = 0x00000100,
|
|
RIE2_QFS9 = 0x00000200,
|
|
RIE2_QFS10 = 0x00000400,
|
|
RIE2_QFS11 = 0x00000800,
|
|
RIE2_QFS12 = 0x00001000,
|
|
RIE2_QFS13 = 0x00002000,
|
|
RIE2_QFS14 = 0x00004000,
|
|
RIE2_QFS15 = 0x00008000,
|
|
RIE2_QFS16 = 0x00010000,
|
|
RIE2_QFS17 = 0x00020000,
|
|
RIE2_RFFS = 0x80000000,
|
|
};
|
|
|
|
/* RID2 (R-Car Gen3 only) */
|
|
enum RID2_BIT {
|
|
RID2_QFD0 = 0x00000001,
|
|
RID2_QFD1 = 0x00000002,
|
|
RID2_QFD2 = 0x00000004,
|
|
RID2_QFD3 = 0x00000008,
|
|
RID2_QFD4 = 0x00000010,
|
|
RID2_QFD5 = 0x00000020,
|
|
RID2_QFD6 = 0x00000040,
|
|
RID2_QFD7 = 0x00000080,
|
|
RID2_QFD8 = 0x00000100,
|
|
RID2_QFD9 = 0x00000200,
|
|
RID2_QFD10 = 0x00000400,
|
|
RID2_QFD11 = 0x00000800,
|
|
RID2_QFD12 = 0x00001000,
|
|
RID2_QFD13 = 0x00002000,
|
|
RID2_QFD14 = 0x00004000,
|
|
RID2_QFD15 = 0x00008000,
|
|
RID2_QFD16 = 0x00010000,
|
|
RID2_QFD17 = 0x00020000,
|
|
RID2_RFFD = 0x80000000,
|
|
};
|
|
|
|
/* TIE (R-Car Gen3 only) */
|
|
enum TIE_BIT {
|
|
TIE_FTS0 = 0x00000001,
|
|
TIE_FTS1 = 0x00000002,
|
|
TIE_FTS2 = 0x00000004,
|
|
TIE_FTS3 = 0x00000008,
|
|
TIE_TFUS = 0x00000100,
|
|
TIE_TFWS = 0x00000200,
|
|
TIE_MFUS = 0x00000400,
|
|
TIE_MFWS = 0x00000800,
|
|
TIE_TDPS0 = 0x00010000,
|
|
TIE_TDPS1 = 0x00020000,
|
|
TIE_TDPS2 = 0x00040000,
|
|
TIE_TDPS3 = 0x00080000,
|
|
};
|
|
|
|
/* TID (R-Car Gen3 only) */
|
|
enum TID_BIT {
|
|
TID_FTD0 = 0x00000001,
|
|
TID_FTD1 = 0x00000002,
|
|
TID_FTD2 = 0x00000004,
|
|
TID_FTD3 = 0x00000008,
|
|
TID_TFUD = 0x00000100,
|
|
TID_TFWD = 0x00000200,
|
|
TID_MFUD = 0x00000400,
|
|
TID_MFWD = 0x00000800,
|
|
TID_TDPD0 = 0x00010000,
|
|
TID_TDPD1 = 0x00020000,
|
|
TID_TDPD2 = 0x00040000,
|
|
TID_TDPD3 = 0x00080000,
|
|
};
|
|
|
|
/* ECMR */
|
|
enum ECMR_BIT {
|
|
ECMR_PRM = 0x00000001,
|
|
ECMR_DM = 0x00000002,
|
|
ECMR_TE = 0x00000020,
|
|
ECMR_RE = 0x00000040,
|
|
ECMR_MPDE = 0x00000200,
|
|
ECMR_TXF = 0x00010000, /* Documented for R-Car Gen3 only */
|
|
ECMR_RXF = 0x00020000,
|
|
ECMR_PFR = 0x00040000,
|
|
ECMR_ZPF = 0x00080000, /* Documented for R-Car Gen3 only */
|
|
ECMR_RZPF = 0x00100000,
|
|
ECMR_DPAD = 0x00200000,
|
|
ECMR_RCSC = 0x00800000,
|
|
ECMR_TRCCM = 0x04000000,
|
|
};
|
|
|
|
/* ECSR */
|
|
enum ECSR_BIT {
|
|
ECSR_ICD = 0x00000001,
|
|
ECSR_MPD = 0x00000002,
|
|
ECSR_LCHNG = 0x00000004,
|
|
ECSR_PHYI = 0x00000008,
|
|
};
|
|
|
|
/* ECSIPR */
|
|
enum ECSIPR_BIT {
|
|
ECSIPR_ICDIP = 0x00000001,
|
|
ECSIPR_MPDIP = 0x00000002,
|
|
ECSIPR_LCHNGIP = 0x00000004,
|
|
};
|
|
|
|
/* PIR */
|
|
enum PIR_BIT {
|
|
PIR_MDC = 0x00000001,
|
|
PIR_MMD = 0x00000002,
|
|
PIR_MDO = 0x00000004,
|
|
PIR_MDI = 0x00000008,
|
|
};
|
|
|
|
/* PSR */
|
|
enum PSR_BIT {
|
|
PSR_LMON = 0x00000001,
|
|
};
|
|
|
|
/* PIPR */
|
|
enum PIPR_BIT {
|
|
PIPR_PHYIP = 0x00000001,
|
|
};
|
|
|
|
/* MPR */
|
|
enum MPR_BIT {
|
|
MPR_MP = 0x0000ffff,
|
|
};
|
|
|
|
/* GECMR */
|
|
enum GECMR_BIT {
|
|
GECMR_SPEED = 0x00000001,
|
|
GECMR_SPEED_100 = 0x00000000,
|
|
GECMR_SPEED_1000 = 0x00000001,
|
|
};
|
|
|
|
/* The Ethernet AVB descriptor definitions. */
|
|
struct ravb_desc {
|
|
__le16 ds; /* Descriptor size */
|
|
u8 cc; /* Content control MSBs (reserved) */
|
|
u8 die_dt; /* Descriptor interrupt enable and type */
|
|
__le32 dptr; /* Descriptor pointer */
|
|
};
|
|
|
|
#define DPTR_ALIGN 4 /* Required descriptor pointer alignment */
|
|
|
|
enum DIE_DT {
|
|
/* Frame data */
|
|
DT_FMID = 0x40,
|
|
DT_FSTART = 0x50,
|
|
DT_FEND = 0x60,
|
|
DT_FSINGLE = 0x70,
|
|
/* Chain control */
|
|
DT_LINK = 0x80,
|
|
DT_LINKFIX = 0x90,
|
|
DT_EOS = 0xa0,
|
|
/* HW/SW arbitration */
|
|
DT_FEMPTY = 0xc0,
|
|
DT_FEMPTY_IS = 0xd0,
|
|
DT_FEMPTY_IC = 0xe0,
|
|
DT_FEMPTY_ND = 0xf0,
|
|
DT_LEMPTY = 0x20,
|
|
DT_EEMPTY = 0x30,
|
|
};
|
|
|
|
struct ravb_rx_desc {
|
|
__le16 ds_cc; /* Descriptor size and content control LSBs */
|
|
u8 msc; /* MAC status code */
|
|
u8 die_dt; /* Descriptor interrupt enable and type */
|
|
__le32 dptr; /* Descpriptor pointer */
|
|
};
|
|
|
|
struct ravb_ex_rx_desc {
|
|
__le16 ds_cc; /* Descriptor size and content control lower bits */
|
|
u8 msc; /* MAC status code */
|
|
u8 die_dt; /* Descriptor interrupt enable and type */
|
|
__le32 dptr; /* Descpriptor pointer */
|
|
__le32 ts_n; /* Timestampe nsec */
|
|
__le32 ts_sl; /* Timestamp low */
|
|
__le16 ts_sh; /* Timestamp high */
|
|
__le16 res; /* Reserved bits */
|
|
};
|
|
|
|
enum RX_DS_CC_BIT {
|
|
RX_DS = 0x0fff, /* Data size */
|
|
RX_TR = 0x1000, /* Truncation indication */
|
|
RX_EI = 0x2000, /* Error indication */
|
|
RX_PS = 0xc000, /* Padding selection */
|
|
};
|
|
|
|
/* E-MAC status code */
|
|
enum MSC_BIT {
|
|
MSC_CRC = 0x01, /* Frame CRC error */
|
|
MSC_RFE = 0x02, /* Frame reception error (flagged by PHY) */
|
|
MSC_RTSF = 0x04, /* Frame length error (frame too short) */
|
|
MSC_RTLF = 0x08, /* Frame length error (frame too long) */
|
|
MSC_FRE = 0x10, /* Fraction error (not a multiple of 8 bits) */
|
|
MSC_CRL = 0x20, /* Carrier lost */
|
|
MSC_CEEF = 0x40, /* Carrier extension error */
|
|
MSC_MC = 0x80, /* Multicast frame reception */
|
|
};
|
|
|
|
struct ravb_tx_desc {
|
|
__le16 ds_tagl; /* Descriptor size and frame tag LSBs */
|
|
u8 tagh_tsr; /* Frame tag MSBs and timestamp storage request bit */
|
|
u8 die_dt; /* Descriptor interrupt enable and type */
|
|
__le32 dptr; /* Descpriptor pointer */
|
|
};
|
|
|
|
enum TX_DS_TAGL_BIT {
|
|
TX_DS = 0x0fff, /* Data size */
|
|
TX_TAGL = 0xf000, /* Frame tag LSBs */
|
|
};
|
|
|
|
enum TX_TAGH_TSR_BIT {
|
|
TX_TAGH = 0x3f, /* Frame tag MSBs */
|
|
TX_TSR = 0x40, /* Timestamp storage request */
|
|
};
|
|
enum RAVB_QUEUE {
|
|
RAVB_BE = 0, /* Best Effort Queue */
|
|
RAVB_NC, /* Network Control Queue */
|
|
};
|
|
|
|
#define DBAT_ENTRY_NUM 22
|
|
#define RX_QUEUE_OFFSET 4
|
|
#define NUM_RX_QUEUE 2
|
|
#define NUM_TX_QUEUE 2
|
|
|
|
#define RX_BUF_SZ (2048 - ETH_FCS_LEN + sizeof(__sum16))
|
|
|
|
/* TX descriptors per packet */
|
|
#define NUM_TX_DESC_GEN2 2
|
|
#define NUM_TX_DESC_GEN3 1
|
|
|
|
struct ravb_tstamp_skb {
|
|
struct list_head list;
|
|
struct sk_buff *skb;
|
|
u16 tag;
|
|
};
|
|
|
|
struct ravb_ptp_perout {
|
|
u32 target;
|
|
u32 period;
|
|
};
|
|
|
|
#define N_EXT_TS 1
|
|
#define N_PER_OUT 1
|
|
|
|
struct ravb_ptp {
|
|
struct ptp_clock *clock;
|
|
struct ptp_clock_info info;
|
|
u32 default_addend;
|
|
u32 current_addend;
|
|
int extts[N_EXT_TS];
|
|
struct ravb_ptp_perout perout[N_PER_OUT];
|
|
};
|
|
|
|
enum ravb_chip_id {
|
|
RCAR_GEN2,
|
|
RCAR_GEN3,
|
|
};
|
|
|
|
struct ravb_private {
|
|
struct net_device *ndev;
|
|
struct platform_device *pdev;
|
|
void __iomem *addr;
|
|
struct clk *clk;
|
|
struct clk *refclk;
|
|
struct mdiobb_ctrl mdiobb;
|
|
u32 num_rx_ring[NUM_RX_QUEUE];
|
|
u32 num_tx_ring[NUM_TX_QUEUE];
|
|
u32 desc_bat_size;
|
|
dma_addr_t desc_bat_dma;
|
|
struct ravb_desc *desc_bat;
|
|
dma_addr_t rx_desc_dma[NUM_RX_QUEUE];
|
|
dma_addr_t tx_desc_dma[NUM_TX_QUEUE];
|
|
struct ravb_ex_rx_desc *rx_ring[NUM_RX_QUEUE];
|
|
struct ravb_tx_desc *tx_ring[NUM_TX_QUEUE];
|
|
void *tx_align[NUM_TX_QUEUE];
|
|
struct sk_buff **rx_skb[NUM_RX_QUEUE];
|
|
struct sk_buff **tx_skb[NUM_TX_QUEUE];
|
|
u32 rx_over_errors;
|
|
u32 rx_fifo_errors;
|
|
struct net_device_stats stats[NUM_RX_QUEUE];
|
|
u32 tstamp_tx_ctrl;
|
|
u32 tstamp_rx_ctrl;
|
|
struct list_head ts_skb_list;
|
|
u32 ts_skb_tag;
|
|
struct ravb_ptp ptp;
|
|
spinlock_t lock; /* Register access lock */
|
|
u32 cur_rx[NUM_RX_QUEUE]; /* Consumer ring indices */
|
|
u32 dirty_rx[NUM_RX_QUEUE]; /* Producer ring indices */
|
|
u32 cur_tx[NUM_TX_QUEUE];
|
|
u32 dirty_tx[NUM_TX_QUEUE];
|
|
struct napi_struct napi[NUM_RX_QUEUE];
|
|
struct work_struct work;
|
|
/* MII transceiver section. */
|
|
struct mii_bus *mii_bus; /* MDIO bus control */
|
|
int link;
|
|
phy_interface_t phy_interface;
|
|
int msg_enable;
|
|
int speed;
|
|
int emac_irq;
|
|
enum ravb_chip_id chip_id;
|
|
int rx_irqs[NUM_RX_QUEUE];
|
|
int tx_irqs[NUM_TX_QUEUE];
|
|
|
|
unsigned no_avb_link:1;
|
|
unsigned avb_link_active_low:1;
|
|
unsigned wol_enabled:1;
|
|
unsigned rxcidm:1; /* RX Clock Internal Delay Mode */
|
|
unsigned txcidm:1; /* TX Clock Internal Delay Mode */
|
|
unsigned rgmii_override:1; /* Deprecated rgmii-*id behavior */
|
|
int num_tx_desc; /* TX descriptors per packet */
|
|
};
|
|
|
|
static inline u32 ravb_read(struct net_device *ndev, enum ravb_reg reg)
|
|
{
|
|
struct ravb_private *priv = netdev_priv(ndev);
|
|
|
|
return ioread32(priv->addr + reg);
|
|
}
|
|
|
|
static inline void ravb_write(struct net_device *ndev, u32 data,
|
|
enum ravb_reg reg)
|
|
{
|
|
struct ravb_private *priv = netdev_priv(ndev);
|
|
|
|
iowrite32(data, priv->addr + reg);
|
|
}
|
|
|
|
void ravb_modify(struct net_device *ndev, enum ravb_reg reg, u32 clear,
|
|
u32 set);
|
|
int ravb_wait(struct net_device *ndev, enum ravb_reg reg, u32 mask, u32 value);
|
|
|
|
void ravb_ptp_interrupt(struct net_device *ndev);
|
|
void ravb_ptp_init(struct net_device *ndev, struct platform_device *pdev);
|
|
void ravb_ptp_stop(struct net_device *ndev);
|
|
|
|
#endif /* #ifndef __RAVB_H__ */
|