/*
* DWMAC4 Header file.
*
* Copyright (C) 2015 STMicroelectronics Ltd
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* Author: Alexandre Torgue <alexandre.torgue@st.com>
*/
#ifndef __DWMAC4_H__
#define __DWMAC4_H__
#include "common.h"
/* MAC registers */
#define GMAC_CONFIG 0x00000000
#define GMAC_PACKET_FILTER 0x00000008
#define GMAC_HASH_TAB_0_31 0x00000010
#define GMAC_HASH_TAB_32_63 0x00000014
#define GMAC_RX_FLOW_CTRL 0x00000090
#define GMAC_QX_TX_FLOW_CTRL(x) (0x70 + x * 4)
#define GMAC_RXQ_CTRL0 0x000000a0
#define GMAC_INT_STATUS 0x000000b0
#define GMAC_INT_EN 0x000000b4
#define GMAC_1US_TIC_COUNTER 0x000000dc
#define GMAC_PCS_BASE 0x000000e0
#define GMAC_PHYIF_CONTROL_STATUS 0x000000f8
#define GMAC_PMT 0x000000c0
#define GMAC_VERSION 0x00000110
#define GMAC_DEBUG 0x00000114
#define GMAC_HW_FEATURE0 0x0000011c
#define GMAC_HW_FEATURE1 0x00000120
#define GMAC_HW_FEATURE2 0x00000124
#define GMAC_MDIO_ADDR 0x00000200
#define GMAC_MDIO_DATA 0x00000204
#define GMAC_ADDR_HIGH(reg) (0x300 + reg * 8)
#define GMAC_ADDR_LOW(reg) (0x304 + reg * 8)
/* MAC Packet Filtering */
#define GMAC_PACKET_FILTER_PR BIT(0)
#define GMAC_PACKET_FILTER_HMC BIT(2)
#define GMAC_PACKET_FILTER_PM BIT(4)
#define GMAC_MAX_PERFECT_ADDRESSES 128
/* MAC RX Queue Enable */
#define GMAC_RX_QUEUE_CLEAR(queue) ~(GENMASK(1, 0) << ((queue) * 2))
#define GMAC_RX_AV_QUEUE_ENABLE(queue) BIT((queue) * 2)
#define GMAC_RX_DCB_QUEUE_ENABLE(queue) BIT(((queue) * 2) + 1)
/* MAC Flow Control RX */
#define GMAC_RX_FLOW_CTRL_RFE BIT(0)
/* MAC Flow Control TX */
#define GMAC_TX_FLOW_CTRL_TFE BIT(1)
#define GMAC_TX_FLOW_CTRL_PT_SHIFT 16
/* MAC Interrupt bitmap*/
#define GMAC_INT_RGSMIIS BIT(0)
#define GMAC_INT_PCS_LINK BIT(1)
#define GMAC_INT_PCS_ANE BIT(2)
#define GMAC_INT_PCS_PHYIS BIT(3)
#define GMAC_INT_PMT_EN BIT(4)
#define GMAC_INT_LPI_EN BIT(5)
#define GMAC_PCS_IRQ_DEFAULT (GMAC_INT_RGSMIIS | GMAC_INT_PCS_LINK | \
GMAC_INT_PCS_ANE)
#define GMAC_INT_DEFAULT_MASK GMAC_INT_PMT_EN
enum dwmac4_irq_status {
time_stamp_irq = 0x00001000,
mmc_rx_csum_offload_irq = 0x00000800,
mmc_tx_irq = 0x00000400,
mmc_rx_irq = 0x00000200,
mmc_irq = 0x00000100,
pmt_irq = 0x00000010,
};
/* MAC PMT bitmap */
enum power_event {
pointer_reset = 0x80000000,
global_unicast = 0x00000200,
wake_up_rx_frame = 0x00000040,
magic_frame = 0x00000020,
wake_up_frame_en = 0x00000004,
magic_pkt_en = 0x00000002,
power_down = 0x00000001,
};
/* Energy Efficient Ethernet (EEE) for GMAC4
*
* LPI status, timer and control register offset
*/
#define GMAC4_LPI_CTRL_STATUS 0xd0
#define GMAC4_LPI_TIMER_CTRL 0xd4
/* LPI control and status defines */
#define GMAC4_LPI_CTRL_STATUS_LPITCSE BIT(21) /* LPI Tx Clock Stop Enable */
#define GMAC4_LPI_CTRL_STATUS_LPITXA BIT(19) /* Enable LPI TX Automate */
#define GMAC4_LPI_CTRL_STATUS_PLS BIT(17) /* PHY Link Status */
#define GMAC4_LPI_CTRL_STATUS_LPIEN BIT(16) /* LPI Enable */
/* MAC Debug bitmap */
#define GMAC_DEBUG_TFCSTS_MASK GENMASK(18, 17)
#define GMAC_DEBUG_TFCSTS_SHIFT 17
#define GMAC_DEBUG_TFCSTS_IDLE 0
#define GMAC_DEBUG_TFCSTS_WAIT 1
#define GMAC_DEBUG_TFCSTS_GEN_PAUSE 2
#define GMAC_DEBUG_TFCSTS_XFER 3
#define GMAC_DEBUG_TPESTS BIT(16)
#define GMAC_DEBUG_RFCFCSTS_MASK GENMASK(2, 1)
#define GMAC_DEBUG_RFCFCSTS_SHIFT 1
#define GMAC_DEBUG_RPESTS BIT(0)
/* MAC config */
#define GMAC_CONFIG_IPC BIT(27)
#define GMAC_CONFIG_2K BIT(22)
#define GMAC_CONFIG_ACS BIT(20)
#define GMAC_CONFIG_BE BIT(18)
#define GMAC_CONFIG_JD BIT(17)
#define GMAC_CONFIG_JE BIT(16)
#define GMAC_CONFIG_PS BIT(15)
#define GMAC_CONFIG_FES BIT(14)
#define GMAC_CONFIG_DM BIT(13)
#define GMAC_CONFIG_DCRS BIT(9)
#define GMAC_CONFIG_TE BIT(1)
#define GMAC_CONFIG_RE BIT(0)
/* MAC HW features0 bitmap */
#define GMAC_HW_FEAT_ADDMAC BIT(18)
#define GMAC_HW_FEAT_RXCOESEL BIT(16)
#define GMAC_HW_FEAT_TXCOSEL BIT(14)
#define GMAC_HW_FEAT_EEESEL BIT(13)
#define GMAC_HW_FEAT_TSSEL BIT(12)
#define GMAC_HW_FEAT_MMCSEL BIT(8)
#define GMAC_HW_FEAT_MGKSEL BIT(7)
#define GMAC_HW_FEAT_RWKSEL BIT(6)
#define GMAC_HW_FEAT_SMASEL BIT(5)
#define GMAC_HW_FEAT_VLHASH BIT(4)
#define GMAC_HW_FEAT_PCSSEL BIT(3)
#define GMAC_HW_FEAT_HDSEL BIT(2)
#define GMAC_HW_FEAT_GMIISEL BIT(1)
#define GMAC_HW_FEAT_MIISEL BIT(0)
/* MAC HW features1 bitmap */
#define GMAC_HW_FEAT_AVSEL BIT(20)
#define GMAC_HW_TSOEN BIT(18)
#define GMAC_HW_TXFIFOSIZE GENMASK(10, 6)
#define GMAC_HW_RXFIFOSIZE GENMASK(4, 0)
/* MAC HW features2 bitmap */
#define GMAC_HW_FEAT_TXCHCNT GENMASK(21, 18)
#define GMAC_HW_FEAT_RXCHCNT GENMASK(15, 12)
#define GMAC_HW_FEAT_TXQCNT GENMASK(9, 6)
#define GMAC_HW_FEAT_RXQCNT GENMASK(3, 0)
/* MAC HW ADDR regs */
#define GMAC_HI_DCS GENMASK(18, 16)
#define GMAC_HI_DCS_SHIFT 16
#define GMAC_HI_REG_AE BIT(31)
/* MTL registers */
#define MTL_INT_STATUS 0x00000c20
#define MTL_INT_Q0 BIT(0)
#define MTL_CHAN_BASE_ADDR 0x00000d00
#define MTL_CHAN_BASE_OFFSET 0x40
#define MTL_CHANX_BASE_ADDR(x) (MTL_CHAN_BASE_ADDR + \
(x * MTL_CHAN_BASE_OFFSET))
#define MTL_CHAN_TX_OP_MODE(x) MTL_CHANX_BASE_ADDR(x)
#define MTL_CHAN_TX_DEBUG(x) (MTL_CHANX_BASE_ADDR(x) + 0x8)
#define MTL_CHAN_INT_CTRL(x) (MTL_CHANX_BASE_ADDR(x) + 0x2c)
#define MTL_CHAN_RX_OP_MODE(x) (MTL_CHANX_BASE_ADDR(x) + 0x30)
#define MTL_CHAN_RX_DEBUG(x) (MTL_CHANX_BASE_ADDR(x) + 0x38)
#define MTL_OP_MODE_RSF BIT(5)
#define MTL_OP_MODE_TXQEN BIT(3)
#define MTL_OP_MODE_TSF BIT(1)
#define MTL_OP_MODE_TQS_MASK GENMASK(24, 16)
#define MTL_OP_MODE_TQS_SHIFT 16
#define MTL_OP_MODE_TTC_MASK 0x70
#define MTL_OP_MODE_TTC_SHIFT 4
#define MTL_OP_MODE_TTC_32 0
#define MTL_OP_MODE_TTC_64 (1 << MTL_OP_MODE_TTC_SHIFT)
#define MTL_OP_MODE_TTC_96 (2 << MTL_OP_MODE_TTC_SHIFT)
#define MTL_OP_MODE_TTC_128 (3 << MTL_OP_MODE_TTC_SHIFT)
#define MTL_OP_MODE_TTC_192 (4 << MTL_OP_MODE_TTC_SHIFT)
#define MTL_OP_MODE_TTC_256 (5 << MTL_OP_MODE_TTC_SHIFT)
#define MTL_OP_MODE_TTC_384 (6 << MTL_OP_MODE_TTC_SHIFT)
#define MTL_OP_MODE_TTC_512 (7 << MTL_OP_MODE_TTC_SHIFT)
#define MTL_OP_MODE_RQS_MASK GENMASK(29, 20)
#define MTL_OP_MODE_RQS_SHIFT 20
#define MTL_OP_MODE_RFD_MASK GENMASK(19, 14)
#define MTL_OP_MODE_RFD_SHIFT 14
#define MTL_OP_MODE_RFA_MASK GENMASK(13, 8)
#define MTL_OP_MODE_RFA_SHIFT 8
#define MTL_OP_MODE_EHFC BIT(7)
#define MTL_OP_MODE_RTC_MASK 0x18
#define MTL_OP_MODE_RTC_SHIFT 3
#define MTL_OP_MODE_RTC_32 (1 << MTL_OP_MODE_RTC_SHIFT)
#define MTL_OP_MODE_RTC_64 0
#define MTL_OP_MODE_RTC_96 (2 << MTL_OP_MODE_RTC_SHIFT)
#define MTL_OP_MODE_RTC_128 (3 << MTL_OP_MODE_RTC_SHIFT)
/* MTL debug */
#define MTL_DEBUG_TXSTSFSTS BIT(5)
#define MTL_DEBUG_TXFSTS BIT(4)
#define MTL_DEBUG_TWCSTS BIT(3)
/* MTL debug: Tx FIFO Read Controller Status */
#define MTL_DEBUG_TRCSTS_MASK GENMASK(2, 1)
#define MTL_DEBUG_TRCSTS_SHIFT 1
#define MTL_DEBUG_TRCSTS_IDLE 0
#define MTL_DEBUG_TRCSTS_READ 1
#define MTL_DEBUG_TRCSTS_TXW 2
#define MTL_DEBUG_TRCSTS_WRITE 3
#define MTL_DEBUG_TXPAUSED BIT(0)
/* MAC debug: GMII or MII Transmit Protocol Engine Status */
#define MTL_DEBUG_RXFSTS_MASK GENMASK(5, 4)
#define MTL_DEBUG_RXFSTS_SHIFT 4
#define MTL_DEBUG_RXFSTS_EMPTY 0
#define MTL_DEBUG_RXFSTS_BT 1
#define MTL_DEBUG_RXFSTS_AT 2
#define MTL_DEBUG_RXFSTS_FULL 3
#define MTL_DEBUG_RRCSTS_MASK GENMASK(2, 1)
#define MTL_DEBUG_RRCSTS_SHIFT 1
#define MTL_DEBUG_RRCSTS_IDLE 0
#define MTL_DEBUG_RRCSTS_RDATA 1
#define MTL_DEBUG_RRCSTS_RSTAT 2
#define MTL_DEBUG_RRCSTS_FLUSH 3
#define MTL_DEBUG_RWCSTS BIT(0)
/* MTL interrupt */
#define MTL_RX_OVERFLOW_INT_EN BIT(24)
#define MTL_RX_OVERFLOW_INT BIT(16)
/* Default operating mode of the MAC */
#define GMAC_CORE_INIT (GMAC_CONFIG_JD | GMAC_CONFIG_PS | GMAC_CONFIG_ACS | \
GMAC_CONFIG_BE | GMAC_CONFIG_DCRS)
/* To dump the core regs excluding the Address Registers */
#define GMAC_REG_NUM 132
/* MTL debug */
#define MTL_DEBUG_TXSTSFSTS BIT(5)
#define MTL_DEBUG_TXFSTS BIT(4)
#define MTL_DEBUG_TWCSTS BIT(3)
/* MTL debug: Tx FIFO Read Controller Status */
#define MTL_DEBUG_TRCSTS_MASK GENMASK(2, 1)
#define MTL_DEBUG_TRCSTS_SHIFT 1
#define MTL_DEBUG_TRCSTS_IDLE 0
#define MTL_DEBUG_TRCSTS_READ 1
#define MTL_DEBUG_TRCSTS_TXW 2
#define MTL_DEBUG_TRCSTS_WRITE 3
#define MTL_DEBUG_TXPAUSED BIT(0)
/* MAC debug: GMII or MII Transmit Protocol Engine Status */
#define MTL_DEBUG_RXFSTS_MASK GENMASK(5, 4)
#define MTL_DEBUG_RXFSTS_SHIFT 4
#define MTL_DEBUG_RXFSTS_EMPTY 0
#define MTL_DEBUG_RXFSTS_BT 1
#define MTL_DEBUG_RXFSTS_AT 2
#define MTL_DEBUG_RXFSTS_FULL 3
#define MTL_DEBUG_RRCSTS_MASK GENMASK(2, 1)
#define MTL_DEBUG_RRCSTS_SHIFT 1
#define MTL_DEBUG_RRCSTS_IDLE 0
#define MTL_DEBUG_RRCSTS_RDATA 1
#define MTL_DEBUG_RRCSTS_RSTAT 2
#define MTL_DEBUG_RRCSTS_FLUSH 3
#define MTL_DEBUG_RWCSTS BIT(0)
/* SGMII/RGMII status register */
#define GMAC_PHYIF_CTRLSTATUS_TC BIT(0)
#define GMAC_PHYIF_CTRLSTATUS_LUD BIT(1)
#define GMAC_PHYIF_CTRLSTATUS_SMIDRXS BIT(4)
#define GMAC_PHYIF_CTRLSTATUS_LNKMOD BIT(16)
#define GMAC_PHYIF_CTRLSTATUS_SPEED GENMASK(18, 17)
#define GMAC_PHYIF_CTRLSTATUS_SPEED_SHIFT 17
#define GMAC_PHYIF_CTRLSTATUS_LNKSTS BIT(19)
#define GMAC_PHYIF_CTRLSTATUS_JABTO BIT(20)
#define GMAC_PHYIF_CTRLSTATUS_FALSECARDET BIT(21)
/* LNKMOD */
#define GMAC_PHYIF_CTRLSTATUS_LNKMOD_MASK 0x1
/* LNKSPEED */
#define GMAC_PHYIF_CTRLSTATUS_SPEED_125 0x2
#define GMAC_PHYIF_CTRLSTATUS_SPEED_25 0x1
#define GMAC_PHYIF_CTRLSTATUS_SPEED_2_5 0x0
extern const struct stmmac_dma_ops dwmac4_dma_ops;
extern const struct stmmac_dma_ops dwmac410_dma_ops;
#endif /* __DWMAC4_H__ */
