343 lines
13 KiB
C
343 lines
13 KiB
C
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/*******************************************************************************
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Copyright (C) 2007-2009 STMicroelectronics Ltd
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This program is free software; you can redistribute it and/or modify it
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under the terms and conditions of the GNU General Public License,
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version 2, as published by the Free Software Foundation.
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This program is distributed in the hope it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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The full GNU General Public License is included in this distribution in
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the file called "COPYING".
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Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
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*******************************************************************************/
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#ifndef __DWMAC1000_H__
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#define __DWMAC1000_H__
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#include <linux/phy.h>
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#include "common.h"
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#define GMAC_CONTROL 0x00000000 /* Configuration */
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#define GMAC_FRAME_FILTER 0x00000004 /* Frame Filter */
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#define GMAC_HASH_HIGH 0x00000008 /* Multicast Hash Table High */
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#define GMAC_HASH_LOW 0x0000000c /* Multicast Hash Table Low */
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#define GMAC_MII_ADDR 0x00000010 /* MII Address */
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#define GMAC_MII_DATA 0x00000014 /* MII Data */
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#define GMAC_FLOW_CTRL 0x00000018 /* Flow Control */
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#define GMAC_VLAN_TAG 0x0000001c /* VLAN Tag */
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#define GMAC_DEBUG 0x00000024 /* GMAC debug register */
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#define GMAC_WAKEUP_FILTER 0x00000028 /* Wake-up Frame Filter */
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#define GMAC_INT_STATUS 0x00000038 /* interrupt status register */
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#define GMAC_INT_STATUS_PMT BIT(3)
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#define GMAC_INT_STATUS_MMCIS BIT(4)
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#define GMAC_INT_STATUS_MMCRIS BIT(5)
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#define GMAC_INT_STATUS_MMCTIS BIT(6)
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#define GMAC_INT_STATUS_MMCCSUM BIT(7)
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#define GMAC_INT_STATUS_TSTAMP BIT(9)
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#define GMAC_INT_STATUS_LPIIS BIT(10)
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/* interrupt mask register */
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#define GMAC_INT_MASK 0x0000003c
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#define GMAC_INT_DISABLE_RGMII BIT(0)
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#define GMAC_INT_DISABLE_PCSLINK BIT(1)
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#define GMAC_INT_DISABLE_PCSAN BIT(2)
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#define GMAC_INT_DISABLE_PMT BIT(3)
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#define GMAC_INT_DISABLE_TIMESTAMP BIT(9)
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#define GMAC_INT_DISABLE_PCS (GMAC_INT_DISABLE_RGMII | \
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GMAC_INT_DISABLE_PCSLINK | \
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GMAC_INT_DISABLE_PCSAN)
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#define GMAC_INT_DEFAULT_MASK (GMAC_INT_DISABLE_TIMESTAMP | \
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GMAC_INT_DISABLE_PCS)
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/* PMT Control and Status */
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#define GMAC_PMT 0x0000002c
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enum power_event {
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pointer_reset = 0x80000000,
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global_unicast = 0x00000200,
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wake_up_rx_frame = 0x00000040,
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magic_frame = 0x00000020,
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wake_up_frame_en = 0x00000004,
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magic_pkt_en = 0x00000002,
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power_down = 0x00000001,
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};
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/* Energy Efficient Ethernet (EEE)
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*
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* LPI status, timer and control register offset
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*/
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#define LPI_CTRL_STATUS 0x0030
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#define LPI_TIMER_CTRL 0x0034
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/* LPI control and status defines */
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#define LPI_CTRL_STATUS_LPITXA 0x00080000 /* Enable LPI TX Automate */
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#define LPI_CTRL_STATUS_PLSEN 0x00040000 /* Enable PHY Link Status */
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#define LPI_CTRL_STATUS_PLS 0x00020000 /* PHY Link Status */
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#define LPI_CTRL_STATUS_LPIEN 0x00010000 /* LPI Enable */
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#define LPI_CTRL_STATUS_RLPIST 0x00000200 /* Receive LPI state */
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#define LPI_CTRL_STATUS_TLPIST 0x00000100 /* Transmit LPI state */
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#define LPI_CTRL_STATUS_RLPIEX 0x00000008 /* Receive LPI Exit */
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#define LPI_CTRL_STATUS_RLPIEN 0x00000004 /* Receive LPI Entry */
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#define LPI_CTRL_STATUS_TLPIEX 0x00000002 /* Transmit LPI Exit */
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#define LPI_CTRL_STATUS_TLPIEN 0x00000001 /* Transmit LPI Entry */
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/* GMAC HW ADDR regs */
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#define GMAC_ADDR_HIGH(reg) (((reg > 15) ? 0x00000800 : 0x00000040) + \
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(reg * 8))
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#define GMAC_ADDR_LOW(reg) (((reg > 15) ? 0x00000804 : 0x00000044) + \
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(reg * 8))
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#define GMAC_MAX_PERFECT_ADDRESSES 1
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#define GMAC_PCS_BASE 0x000000c0 /* PCS register base */
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#define GMAC_RGSMIIIS 0x000000d8 /* RGMII/SMII status */
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/* SGMII/RGMII status register */
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#define GMAC_RGSMIIIS_LNKMODE BIT(0)
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#define GMAC_RGSMIIIS_SPEED GENMASK(2, 1)
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#define GMAC_RGSMIIIS_SPEED_SHIFT 1
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#define GMAC_RGSMIIIS_LNKSTS BIT(3)
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#define GMAC_RGSMIIIS_JABTO BIT(4)
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#define GMAC_RGSMIIIS_FALSECARDET BIT(5)
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#define GMAC_RGSMIIIS_SMIDRXS BIT(16)
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/* LNKMOD */
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#define GMAC_RGSMIIIS_LNKMOD_MASK 0x1
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/* LNKSPEED */
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#define GMAC_RGSMIIIS_SPEED_125 0x2
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#define GMAC_RGSMIIIS_SPEED_25 0x1
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#define GMAC_RGSMIIIS_SPEED_2_5 0x0
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/* GMAC Configuration defines */
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#define GMAC_CONTROL_2K 0x08000000 /* IEEE 802.3as 2K packets */
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#define GMAC_CONTROL_TC 0x01000000 /* Transmit Conf. in RGMII/SGMII */
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#define GMAC_CONTROL_WD 0x00800000 /* Disable Watchdog on receive */
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#define GMAC_CONTROL_JD 0x00400000 /* Jabber disable */
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#define GMAC_CONTROL_BE 0x00200000 /* Frame Burst Enable */
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#define GMAC_CONTROL_JE 0x00100000 /* Jumbo frame */
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enum inter_frame_gap {
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GMAC_CONTROL_IFG_88 = 0x00040000,
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GMAC_CONTROL_IFG_80 = 0x00020000,
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GMAC_CONTROL_IFG_40 = 0x000e0000,
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};
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#define GMAC_CONTROL_DCRS 0x00010000 /* Disable carrier sense */
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#define GMAC_CONTROL_PS 0x00008000 /* Port Select 0:GMI 1:MII */
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#define GMAC_CONTROL_FES 0x00004000 /* Speed 0:10 1:100 */
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#define GMAC_CONTROL_DO 0x00002000 /* Disable Rx Own */
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#define GMAC_CONTROL_LM 0x00001000 /* Loop-back mode */
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#define GMAC_CONTROL_DM 0x00000800 /* Duplex Mode */
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#define GMAC_CONTROL_IPC 0x00000400 /* Checksum Offload */
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#define GMAC_CONTROL_DR 0x00000200 /* Disable Retry */
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#define GMAC_CONTROL_LUD 0x00000100 /* Link up/down */
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#define GMAC_CONTROL_ACS 0x00000080 /* Auto Pad/FCS Stripping */
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#define GMAC_CONTROL_DC 0x00000010 /* Deferral Check */
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#define GMAC_CONTROL_TE 0x00000008 /* Transmitter Enable */
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#define GMAC_CONTROL_RE 0x00000004 /* Receiver Enable */
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#define GMAC_CORE_INIT (GMAC_CONTROL_JD | GMAC_CONTROL_PS | GMAC_CONTROL_ACS | \
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GMAC_CONTROL_BE | GMAC_CONTROL_DCRS)
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/* GMAC Frame Filter defines */
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#define GMAC_FRAME_FILTER_PR 0x00000001 /* Promiscuous Mode */
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#define GMAC_FRAME_FILTER_HUC 0x00000002 /* Hash Unicast */
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#define GMAC_FRAME_FILTER_HMC 0x00000004 /* Hash Multicast */
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#define GMAC_FRAME_FILTER_DAIF 0x00000008 /* DA Inverse Filtering */
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#define GMAC_FRAME_FILTER_PM 0x00000010 /* Pass all multicast */
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#define GMAC_FRAME_FILTER_DBF 0x00000020 /* Disable Broadcast frames */
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#define GMAC_FRAME_FILTER_SAIF 0x00000100 /* Inverse Filtering */
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#define GMAC_FRAME_FILTER_SAF 0x00000200 /* Source Address Filter */
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#define GMAC_FRAME_FILTER_HPF 0x00000400 /* Hash or perfect Filter */
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#define GMAC_FRAME_FILTER_RA 0x80000000 /* Receive all mode */
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/* GMII ADDR defines */
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#define GMAC_MII_ADDR_WRITE 0x00000002 /* MII Write */
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#define GMAC_MII_ADDR_BUSY 0x00000001 /* MII Busy */
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/* GMAC FLOW CTRL defines */
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#define GMAC_FLOW_CTRL_PT_MASK 0xffff0000 /* Pause Time Mask */
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#define GMAC_FLOW_CTRL_PT_SHIFT 16
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#define GMAC_FLOW_CTRL_UP 0x00000008 /* Unicast pause frame enable */
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#define GMAC_FLOW_CTRL_RFE 0x00000004 /* Rx Flow Control Enable */
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#define GMAC_FLOW_CTRL_TFE 0x00000002 /* Tx Flow Control Enable */
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#define GMAC_FLOW_CTRL_FCB_BPA 0x00000001 /* Flow Control Busy ... */
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/* DEBUG Register defines */
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/* MTL TxStatus FIFO */
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#define GMAC_DEBUG_TXSTSFSTS BIT(25) /* MTL TxStatus FIFO Full Status */
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#define GMAC_DEBUG_TXFSTS BIT(24) /* MTL Tx FIFO Not Empty Status */
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#define GMAC_DEBUG_TWCSTS BIT(22) /* MTL Tx FIFO Write Controller */
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/* MTL Tx FIFO Read Controller Status */
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#define GMAC_DEBUG_TRCSTS_MASK GENMASK(21, 20)
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#define GMAC_DEBUG_TRCSTS_SHIFT 20
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#define GMAC_DEBUG_TRCSTS_IDLE 0
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#define GMAC_DEBUG_TRCSTS_READ 1
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#define GMAC_DEBUG_TRCSTS_TXW 2
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#define GMAC_DEBUG_TRCSTS_WRITE 3
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#define GMAC_DEBUG_TXPAUSED BIT(19) /* MAC Transmitter in PAUSE */
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/* MAC Transmit Frame Controller Status */
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#define GMAC_DEBUG_TFCSTS_MASK GENMASK(18, 17)
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#define GMAC_DEBUG_TFCSTS_SHIFT 17
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#define GMAC_DEBUG_TFCSTS_IDLE 0
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#define GMAC_DEBUG_TFCSTS_WAIT 1
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#define GMAC_DEBUG_TFCSTS_GEN_PAUSE 2
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#define GMAC_DEBUG_TFCSTS_XFER 3
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/* MAC GMII or MII Transmit Protocol Engine Status */
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#define GMAC_DEBUG_TPESTS BIT(16)
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#define GMAC_DEBUG_RXFSTS_MASK GENMASK(9, 8) /* MTL Rx FIFO Fill-level */
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#define GMAC_DEBUG_RXFSTS_SHIFT 8
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#define GMAC_DEBUG_RXFSTS_EMPTY 0
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#define GMAC_DEBUG_RXFSTS_BT 1
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#define GMAC_DEBUG_RXFSTS_AT 2
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#define GMAC_DEBUG_RXFSTS_FULL 3
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#define GMAC_DEBUG_RRCSTS_MASK GENMASK(6, 5) /* MTL Rx FIFO Read Controller */
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#define GMAC_DEBUG_RRCSTS_SHIFT 5
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#define GMAC_DEBUG_RRCSTS_IDLE 0
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#define GMAC_DEBUG_RRCSTS_RDATA 1
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#define GMAC_DEBUG_RRCSTS_RSTAT 2
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#define GMAC_DEBUG_RRCSTS_FLUSH 3
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#define GMAC_DEBUG_RWCSTS BIT(4) /* MTL Rx FIFO Write Controller Active */
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/* MAC Receive Frame Controller FIFO Status */
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#define GMAC_DEBUG_RFCFCSTS_MASK GENMASK(2, 1)
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#define GMAC_DEBUG_RFCFCSTS_SHIFT 1
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/* MAC GMII or MII Receive Protocol Engine Status */
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#define GMAC_DEBUG_RPESTS BIT(0)
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/*--- DMA BLOCK defines ---*/
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/* DMA Bus Mode register defines */
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#define DMA_BUS_MODE_DA 0x00000002 /* Arbitration scheme */
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#define DMA_BUS_MODE_DSL_MASK 0x0000007c /* Descriptor Skip Length */
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#define DMA_BUS_MODE_DSL_SHIFT 2 /* (in DWORDS) */
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/* Programmable burst length (passed thorugh platform)*/
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#define DMA_BUS_MODE_PBL_MASK 0x00003f00 /* Programmable Burst Len */
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#define DMA_BUS_MODE_PBL_SHIFT 8
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#define DMA_BUS_MODE_ATDS 0x00000080 /* Alternate Descriptor Size */
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enum rx_tx_priority_ratio {
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double_ratio = 0x00004000, /* 2:1 */
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triple_ratio = 0x00008000, /* 3:1 */
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quadruple_ratio = 0x0000c000, /* 4:1 */
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};
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#define DMA_BUS_MODE_FB 0x00010000 /* Fixed burst */
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#define DMA_BUS_MODE_MB 0x04000000 /* Mixed burst */
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#define DMA_BUS_MODE_RPBL_MASK 0x007e0000 /* Rx-Programmable Burst Len */
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#define DMA_BUS_MODE_RPBL_SHIFT 17
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#define DMA_BUS_MODE_USP 0x00800000
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#define DMA_BUS_MODE_MAXPBL 0x01000000
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#define DMA_BUS_MODE_AAL 0x02000000
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/* DMA CRS Control and Status Register Mapping */
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#define DMA_HOST_TX_DESC 0x00001048 /* Current Host Tx descriptor */
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#define DMA_HOST_RX_DESC 0x0000104c /* Current Host Rx descriptor */
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/* DMA Bus Mode register defines */
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#define DMA_BUS_PR_RATIO_MASK 0x0000c000 /* Rx/Tx priority ratio */
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#define DMA_BUS_PR_RATIO_SHIFT 14
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#define DMA_BUS_FB 0x00010000 /* Fixed Burst */
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/* DMA operation mode defines (start/stop tx/rx are placed in common header)*/
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/* Disable Drop TCP/IP csum error */
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#define DMA_CONTROL_DT 0x04000000
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#define DMA_CONTROL_RSF 0x02000000 /* Receive Store and Forward */
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#define DMA_CONTROL_DFF 0x01000000 /* Disaable flushing */
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/* Threshold for Activating the FC */
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enum rfa {
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act_full_minus_1 = 0x00800000,
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act_full_minus_2 = 0x00800200,
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act_full_minus_3 = 0x00800400,
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act_full_minus_4 = 0x00800600,
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};
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/* Threshold for Deactivating the FC */
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enum rfd {
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deac_full_minus_1 = 0x00400000,
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deac_full_minus_2 = 0x00400800,
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deac_full_minus_3 = 0x00401000,
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deac_full_minus_4 = 0x00401800,
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};
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#define DMA_CONTROL_TSF 0x00200000 /* Transmit Store and Forward */
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enum ttc_control {
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DMA_CONTROL_TTC_64 = 0x00000000,
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DMA_CONTROL_TTC_128 = 0x00004000,
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DMA_CONTROL_TTC_192 = 0x00008000,
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DMA_CONTROL_TTC_256 = 0x0000c000,
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DMA_CONTROL_TTC_40 = 0x00010000,
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DMA_CONTROL_TTC_32 = 0x00014000,
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DMA_CONTROL_TTC_24 = 0x00018000,
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DMA_CONTROL_TTC_16 = 0x0001c000,
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};
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#define DMA_CONTROL_TC_TX_MASK 0xfffe3fff
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#define DMA_CONTROL_EFC 0x00000100
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#define DMA_CONTROL_FEF 0x00000080
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#define DMA_CONTROL_FUF 0x00000040
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/* Receive flow control activation field
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* RFA field in DMA control register, bits 23,10:9
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*/
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#define DMA_CONTROL_RFA_MASK 0x00800600
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/* Receive flow control deactivation field
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* RFD field in DMA control register, bits 22,12:11
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*/
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#define DMA_CONTROL_RFD_MASK 0x00401800
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/* RFD and RFA fields are encoded as follows
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*
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* Bit Field
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* 0,00 - Full minus 1KB (only valid when rxfifo >= 4KB and EFC enabled)
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* 0,01 - Full minus 2KB (only valid when rxfifo >= 4KB and EFC enabled)
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* 0,10 - Full minus 3KB (only valid when rxfifo >= 4KB and EFC enabled)
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* 0,11 - Full minus 4KB (only valid when rxfifo > 4KB and EFC enabled)
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* 1,00 - Full minus 5KB (only valid when rxfifo > 8KB and EFC enabled)
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* 1,01 - Full minus 6KB (only valid when rxfifo > 8KB and EFC enabled)
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* 1,10 - Full minus 7KB (only valid when rxfifo > 8KB and EFC enabled)
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* 1,11 - Reserved
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*
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* RFD should always be > RFA for a given FIFO size. RFD == RFA may work,
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* but packet throughput performance may not be as expected.
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*
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|
* Be sure that bit 3 in GMAC Register 6 is set for Unicast Pause frame
|
||
|
|
* detection (IEEE Specification Requirement, Annex 31B, 31B.1, Pause
|
||
|
|
* Description).
|
||
|
|
*
|
||
|
|
* Be sure that DZPA (bit 7 in Flow Control Register, GMAC Register 6),
|
||
|
|
* is set to 0. This allows pause frames with a quanta of 0 to be sent
|
||
|
|
* as an XOFF message to the link peer.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define RFA_FULL_MINUS_1K 0x00000000
|
||
|
|
#define RFA_FULL_MINUS_2K 0x00000200
|
||
|
|
#define RFA_FULL_MINUS_3K 0x00000400
|
||
|
|
#define RFA_FULL_MINUS_4K 0x00000600
|
||
|
|
#define RFA_FULL_MINUS_5K 0x00800000
|
||
|
|
#define RFA_FULL_MINUS_6K 0x00800200
|
||
|
|
#define RFA_FULL_MINUS_7K 0x00800400
|
||
|
|
|
||
|
|
#define RFD_FULL_MINUS_1K 0x00000000
|
||
|
|
#define RFD_FULL_MINUS_2K 0x00000800
|
||
|
|
#define RFD_FULL_MINUS_3K 0x00001000
|
||
|
|
#define RFD_FULL_MINUS_4K 0x00001800
|
||
|
|
#define RFD_FULL_MINUS_5K 0x00400000
|
||
|
|
#define RFD_FULL_MINUS_6K 0x00400800
|
||
|
|
#define RFD_FULL_MINUS_7K 0x00401000
|
||
|
|
|
||
|
|
enum rtc_control {
|
||
|
|
DMA_CONTROL_RTC_64 = 0x00000000,
|
||
|
|
DMA_CONTROL_RTC_32 = 0x00000008,
|
||
|
|
DMA_CONTROL_RTC_96 = 0x00000010,
|
||
|
|
DMA_CONTROL_RTC_128 = 0x00000018,
|
||
|
|
};
|
||
|
|
#define DMA_CONTROL_TC_RX_MASK 0xffffffe7
|
||
|
|
|
||
|
|
#define DMA_CONTROL_OSF 0x00000004 /* Operate on second frame */
|
||
|
|
|
||
|
|
/* MMC registers offset */
|
||
|
|
#define GMAC_MMC_CTRL 0x100
|
||
|
|
#define GMAC_MMC_RX_INTR 0x104
|
||
|
|
#define GMAC_MMC_TX_INTR 0x108
|
||
|
|
#define GMAC_MMC_RX_CSUM_OFFLOAD 0x208
|
||
|
|
#define GMAC_EXTHASH_BASE 0x500
|
||
|
|
|
||
|
|
extern const struct stmmac_dma_ops dwmac1000_dma_ops;
|
||
|
|
#endif /* __DWMAC1000_H__ */
|