23f17164d9
This patch adds ethernet support for Mediatek ARM-based SoCs, including a minimum setup of the integrated switch. Cc: Joe Hershberger <joe.hershberger@ni.com> Signed-off-by: Mark Lee <Mark-MC.Lee@mediatek.com> Signed-off-by: Weijie Gao <weijie.gao@mediatek.com> Tested-By: "Frank Wunderlich" <frank-w@public-files.de>
287 lines
7.1 KiB
C
287 lines
7.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2018 MediaTek Inc.
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*
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* Author: Weijie Gao <weijie.gao@mediatek.com>
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* Author: Mark Lee <mark-mc.lee@mediatek.com>
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*/
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#ifndef _MTK_ETH_H_
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#define _MTK_ETH_H_
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/* Frame Engine Register Bases */
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#define PDMA_BASE 0x0800
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#define GDMA1_BASE 0x0500
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#define GDMA2_BASE 0x1500
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#define GMAC_BASE 0x10000
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/* Ethernet subsystem registers */
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#define ETHSYS_SYSCFG0_REG 0x14
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#define SYSCFG0_GE_MODE_S(n) (12 + ((n) * 2))
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#define SYSCFG0_GE_MODE_M 0x3
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#define ETHSYS_CLKCFG0_REG 0x2c
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#define ETHSYS_TRGMII_CLK_SEL362_5 BIT(11)
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/* SYSCFG0_GE_MODE: GE Modes */
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#define GE_MODE_RGMII 0
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#define GE_MODE_MII 1
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#define GE_MODE_MII_PHY 2
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#define GE_MODE_RMII 3
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/* Frame Engine Registers */
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/* PDMA */
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#define TX_BASE_PTR_REG(n) (0x000 + (n) * 0x10)
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#define TX_MAX_CNT_REG(n) (0x004 + (n) * 0x10)
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#define TX_CTX_IDX_REG(n) (0x008 + (n) * 0x10)
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#define TX_DTX_IDX_REG(n) (0x00c + (n) * 0x10)
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#define RX_BASE_PTR_REG(n) (0x100 + (n) * 0x10)
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#define RX_MAX_CNT_REG(n) (0x104 + (n) * 0x10)
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#define RX_CRX_IDX_REG(n) (0x108 + (n) * 0x10)
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#define RX_DRX_IDX_REG(n) (0x10c + (n) * 0x10)
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#define PDMA_GLO_CFG_REG 0x204
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#define TX_WB_DDONE BIT(6)
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#define RX_DMA_BUSY BIT(3)
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#define RX_DMA_EN BIT(2)
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#define TX_DMA_BUSY BIT(1)
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#define TX_DMA_EN BIT(0)
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#define PDMA_RST_IDX_REG 0x208
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#define RST_DRX_IDX0 BIT(16)
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#define RST_DTX_IDX0 BIT(0)
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/* GDMA */
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#define GDMA_IG_CTRL_REG 0x000
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#define GDM_ICS_EN BIT(22)
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#define GDM_TCS_EN BIT(21)
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#define GDM_UCS_EN BIT(20)
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#define STRP_CRC BIT(16)
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#define MYMAC_DP_S 12
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#define MYMAC_DP_M 0xf000
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#define BC_DP_S 8
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#define BC_DP_M 0xf00
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#define MC_DP_S 4
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#define MC_DP_M 0xf0
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#define UN_DP_S 0
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#define UN_DP_M 0x0f
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#define GDMA_MAC_LSB_REG 0x008
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#define GDMA_MAC_MSB_REG 0x00c
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/* MYMAC_DP/BC_DP/MC_DP/UN_DP: Destination ports */
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#define DP_PDMA 0
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#define DP_GDMA1 1
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#define DP_GDMA2 2
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#define DP_PPE 4
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#define DP_QDMA 5
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#define DP_DISCARD 7
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/* GMAC Registers */
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#define GMAC_PIAC_REG 0x0004
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#define PHY_ACS_ST BIT(31)
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#define MDIO_REG_ADDR_S 25
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#define MDIO_REG_ADDR_M 0x3e000000
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#define MDIO_PHY_ADDR_S 20
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#define MDIO_PHY_ADDR_M 0x1f00000
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#define MDIO_CMD_S 18
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#define MDIO_CMD_M 0xc0000
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#define MDIO_ST_S 16
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#define MDIO_ST_M 0x30000
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#define MDIO_RW_DATA_S 0
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#define MDIO_RW_DATA_M 0xffff
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/* MDIO_CMD: MDIO commands */
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#define MDIO_CMD_ADDR 0
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#define MDIO_CMD_WRITE 1
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#define MDIO_CMD_READ 2
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#define MDIO_CMD_READ_C45 3
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/* MDIO_ST: MDIO start field */
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#define MDIO_ST_C45 0
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#define MDIO_ST_C22 1
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#define GMAC_PORT_MCR(p) (0x0100 + (p) * 0x100)
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#define MAC_RX_PKT_LEN_S 24
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#define MAC_RX_PKT_LEN_M 0x3000000
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#define IPG_CFG_S 18
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#define IPG_CFG_M 0xc0000
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#define MAC_MODE BIT(16)
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#define FORCE_MODE BIT(15)
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#define MAC_TX_EN BIT(14)
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#define MAC_RX_EN BIT(13)
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#define BKOFF_EN BIT(9)
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#define BACKPR_EN BIT(8)
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#define FORCE_RX_FC BIT(5)
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#define FORCE_TX_FC BIT(4)
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#define FORCE_SPD_S 2
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#define FORCE_SPD_M 0x0c
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#define FORCE_DPX BIT(1)
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#define FORCE_LINK BIT(0)
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/* MAC_RX_PKT_LEN: Max RX packet length */
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#define MAC_RX_PKT_LEN_1518 0
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#define MAC_RX_PKT_LEN_1536 1
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#define MAC_RX_PKT_LEN_1552 2
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#define MAC_RX_PKT_LEN_JUMBO 3
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/* FORCE_SPD: Forced link speed */
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#define SPEED_10M 0
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#define SPEED_100M 1
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#define SPEED_1000M 2
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#define GMAC_TRGMII_RCK_CTRL 0x300
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#define RX_RST BIT(31)
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#define RXC_DQSISEL BIT(30)
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#define GMAC_TRGMII_TD_ODT(n) (0x354 + (n) * 8)
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#define TD_DM_DRVN_S 4
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#define TD_DM_DRVN_M 0xf0
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#define TD_DM_DRVP_S 0
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#define TD_DM_DRVP_M 0x0f
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/* MT7530 Registers */
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#define PCR_REG(p) (0x2004 + (p) * 0x100)
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#define PORT_MATRIX_S 16
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#define PORT_MATRIX_M 0xff0000
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#define PVC_REG(p) (0x2010 + (p) * 0x100)
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#define STAG_VPID_S 16
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#define STAG_VPID_M 0xffff0000
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#define VLAN_ATTR_S 6
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#define VLAN_ATTR_M 0xc0
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/* VLAN_ATTR: VLAN attributes */
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#define VLAN_ATTR_USER 0
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#define VLAN_ATTR_STACK 1
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#define VLAN_ATTR_TRANSLATION 2
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#define VLAN_ATTR_TRANSPARENT 3
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#define PCMR_REG(p) (0x3000 + (p) * 0x100)
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/* XXX: all fields are defined under GMAC_PORT_MCR */
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#define SYS_CTRL_REG 0x7000
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#define SW_PHY_RST BIT(2)
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#define SW_SYS_RST BIT(1)
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#define SW_REG_RST BIT(0)
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#define NUM_TRGMII_CTRL 5
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#define HWTRAP_REG 0x7800
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#define MHWTRAP_REG 0x7804
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#define CHG_TRAP BIT(16)
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#define LOOPDET_DIS BIT(14)
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#define P5_INTF_SEL_S 13
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#define P5_INTF_SEL_M 0x2000
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#define SMI_ADDR_S 11
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#define SMI_ADDR_M 0x1800
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#define XTAL_FSEL_S 9
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#define XTAL_FSEL_M 0x600
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#define P6_INTF_DIS BIT(8)
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#define P5_INTF_MODE_S 7
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#define P5_INTF_MODE_M 0x80
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#define P5_INTF_DIS BIT(6)
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#define C_MDIO_BPS BIT(5)
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#define CHIP_MODE_S 0
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#define CHIP_MODE_M 0x0f
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/* P5_INTF_SEL: Interface type of Port5 */
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#define P5_INTF_SEL_GPHY 0
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#define P5_INTF_SEL_GMAC5 1
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/* P5_INTF_MODE: Interface mode of Port5 */
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#define P5_INTF_MODE_GMII_MII 0
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#define P5_INTF_MODE_RGMII 1
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#define MT7530_P6ECR 0x7830
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#define P6_INTF_MODE_M 0x3
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#define P6_INTF_MODE_S 0
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/* P6_INTF_MODE: Interface mode of Port6 */
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#define P6_INTF_MODE_RGMII 0
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#define P6_INTF_MODE_TRGMII 1
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#define MT7530_TRGMII_RD(n) (0x7a10 + (n) * 8)
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#define RD_TAP_S 0
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#define RD_TAP_M 0x7f
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#define MT7530_TRGMII_TD_ODT(n) (0x7a54 + (n) * 8)
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/* XXX: all fields are defined under GMAC_TRGMII_TD_ODT */
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/* MT7530 GPHY MDIO Indirect Access Registers */
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#define MII_MMD_ACC_CTL_REG 0x0d
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#define MMD_CMD_S 14
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#define MMD_CMD_M 0xc000
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#define MMD_DEVAD_S 0
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#define MMD_DEVAD_M 0x1f
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/* MMD_CMD: MMD commands */
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#define MMD_ADDR 0
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#define MMD_DATA 1
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#define MMD_DATA_RW_POST_INC 2
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#define MMD_DATA_W_POST_INC 3
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#define MII_MMD_ADDR_DATA_REG 0x0e
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/* MT7530 GPHY MDIO MMD Registers */
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#define CORE_PLL_GROUP2 0x401
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#define RG_SYSPLL_EN_NORMAL BIT(15)
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#define RG_SYSPLL_VODEN BIT(14)
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#define RG_SYSPLL_POSDIV_S 5
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#define RG_SYSPLL_POSDIV_M 0x60
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#define CORE_PLL_GROUP4 0x403
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#define RG_SYSPLL_DDSFBK_EN BIT(12)
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#define RG_SYSPLL_BIAS_EN BIT(11)
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#define RG_SYSPLL_BIAS_LPF_EN BIT(10)
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#define CORE_PLL_GROUP5 0x404
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#define RG_LCDDS_PCW_NCPO1_S 0
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#define RG_LCDDS_PCW_NCPO1_M 0xffff
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#define CORE_PLL_GROUP6 0x405
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#define RG_LCDDS_PCW_NCPO0_S 0
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#define RG_LCDDS_PCW_NCPO0_M 0xffff
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#define CORE_PLL_GROUP7 0x406
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#define RG_LCDDS_PWDB BIT(15)
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#define RG_LCDDS_ISO_EN BIT(13)
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#define RG_LCCDS_C_S 4
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#define RG_LCCDS_C_M 0x70
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#define RG_LCDDS_PCW_NCPO_CHG BIT(3)
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#define CORE_PLL_GROUP10 0x409
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#define RG_LCDDS_SSC_DELTA_S 0
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#define RG_LCDDS_SSC_DELTA_M 0xfff
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#define CORE_PLL_GROUP11 0x40a
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#define RG_LCDDS_SSC_DELTA1_S 0
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#define RG_LCDDS_SSC_DELTA1_M 0xfff
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#define CORE_GSWPLL_GRP1 0x40d
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#define RG_GSWPLL_POSDIV_200M_S 12
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#define RG_GSWPLL_POSDIV_200M_M 0x3000
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#define RG_GSWPLL_EN_PRE BIT(11)
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#define RG_GSWPLL_FBKDIV_200M_S 0
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#define RG_GSWPLL_FBKDIV_200M_M 0xff
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#define CORE_GSWPLL_GRP2 0x40e
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#define RG_GSWPLL_POSDIV_500M_S 8
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#define RG_GSWPLL_POSDIV_500M_M 0x300
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#define RG_GSWPLL_FBKDIV_500M_S 0
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#define RG_GSWPLL_FBKDIV_500M_M 0xff
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#define CORE_TRGMII_GSW_CLK_CG 0x410
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#define REG_GSWCK_EN BIT(0)
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#define REG_TRGMIICK_EN BIT(1)
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#endif /* _MTK_ETH_H_ */
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