atl1e.h

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/*
 * Copyright(c) 2007 Atheros Corporation. All rights reserved.
 * Copyright(c) 2007 xiong huang <xiong.huang@atheros.com>
 *
 * Derived from Intel e1000 driver
 * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
 *
 * Modified for gPXE, October 2009 by Joshua Oreman <oremanj@rwcr.net>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59
 * Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#ifndef _ATL1E_H_
#define _ATL1E_H_

#include <mii.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <byteswap.h>
#include <errno.h>
#include <gpxe/malloc.h>
#include <gpxe/pci.h>
#include <gpxe/pci_io.h>
#include <gpxe/iobuf.h>
#include <gpxe/netdevice.h>
#include <gpxe/ethernet.h>
#include <gpxe/if_ether.h>
#include <gpxe/io.h>

#define ETH_FCS_LEN     4
#define VLAN_HLEN       4
#define NET_IP_ALIGN    2

#define SPEED_0            0xffff
#define SPEED_10           10
#define SPEED_100          100
#define SPEED_1000         1000
#define HALF_DUPLEX        1
#define FULL_DUPLEX        2

/* Error Codes */
#define AT_ERR_EEPROM      1
#define AT_ERR_PHY         2
#define AT_ERR_CONFIG      3
#define AT_ERR_PARAM       4
#define AT_ERR_MAC_TYPE    5
#define AT_ERR_PHY_TYPE    6
#define AT_ERR_PHY_SPEED   7
#define AT_ERR_PHY_RES     8
#define AT_ERR_TIMEOUT     9

#define AT_MAX_RECEIVE_QUEUE    4
#define AT_PAGE_NUM_PER_QUEUE   2

#define AT_TWSI_EEPROM_TIMEOUT  100
#define AT_HW_MAX_IDLE_DELAY    10

#define AT_REGS_LEN     75
#define AT_EEPROM_LEN   512

/* tpd word 2 */
#define TPD_BUFLEN_MASK         0x3FFF
#define TPD_BUFLEN_SHIFT        0

/* tpd word 3 bits 0:4 */
#define TPD_EOP_MASK            0x0001
#define TPD_EOP_SHIFT           0

struct atl1e_tpd_desc {
        u64 buffer_addr;
        u32 word2;
        u32 word3;
};

#define MAX_TX_BUF_LEN      0x2000
#define MAX_TX_BUF_SHIFT    13

/* rrs word 1 bit 0:31 */
#define RRS_RX_CSUM_MASK        0xFFFF
#define RRS_RX_CSUM_SHIFT       0
#define RRS_PKT_SIZE_MASK       0x3FFF
#define RRS_PKT_SIZE_SHIFT      16
#define RRS_CPU_NUM_MASK        0x0003
#define RRS_CPU_NUM_SHIFT       30

#define RRS_IS_RSS_IPV4         0x0001
#define RRS_IS_RSS_IPV4_TCP     0x0002
#define RRS_IS_RSS_IPV6         0x0004
#define RRS_IS_RSS_IPV6_TCP     0x0008
#define RRS_IS_IPV6             0x0010
#define RRS_IS_IP_FRAG          0x0020
#define RRS_IS_IP_DF            0x0040
#define RRS_IS_802_3            0x0080
#define RRS_IS_VLAN_TAG         0x0100
#define RRS_IS_ERR_FRAME        0x0200
#define RRS_IS_IPV4             0x0400
#define RRS_IS_UDP              0x0800
#define RRS_IS_TCP              0x1000
#define RRS_IS_BCAST            0x2000
#define RRS_IS_MCAST            0x4000
#define RRS_IS_PAUSE            0x8000

#define RRS_ERR_BAD_CRC         0x0001
#define RRS_ERR_CODE            0x0002
#define RRS_ERR_DRIBBLE         0x0004
#define RRS_ERR_RUNT            0x0008
#define RRS_ERR_RX_OVERFLOW     0x0010
#define RRS_ERR_TRUNC           0x0020
#define RRS_ERR_IP_CSUM         0x0040
#define RRS_ERR_L4_CSUM         0x0080
#define RRS_ERR_LENGTH          0x0100
#define RRS_ERR_DES_ADDR        0x0200

struct atl1e_recv_ret_status {
        u16 seq_num;
        u16 hash_lo;
        u32 word1;
        u16 pkt_flag;
        u16 err_flag;
        u16 hash_hi;
        u16 vtag;
};

enum atl1e_dma_req_block {
        atl1e_dma_req_128 = 0,
        atl1e_dma_req_256 = 1,
        atl1e_dma_req_512 = 2,
        atl1e_dma_req_1024 = 3,
        atl1e_dma_req_2048 = 4,
        atl1e_dma_req_4096 = 5
};

enum atl1e_nic_type {
        athr_l1e = 0,
        athr_l2e_revA = 1,
        athr_l2e_revB = 2
};

struct atl1e_hw {
        u8 *hw_addr;            /* inner register address */
        struct atl1e_adapter *adapter;
        enum atl1e_nic_type  nic_type;
        u8 mac_addr[ETH_ALEN];
        u8 perm_mac_addr[ETH_ALEN];

        u16 mii_autoneg_adv_reg;
        u16 mii_1000t_ctrl_reg;

        enum atl1e_dma_req_block dmar_block;
        enum atl1e_dma_req_block dmaw_block;

        int phy_configured;
        int re_autoneg;
        int emi_ca;
};

/*
 * wrapper around a pointer to a socket buffer,
 * so a DMA handle can be stored along with the buffer
 */
struct atl1e_tx_buffer {
        struct io_buffer *iob;
        u16 length;
        u32 dma;
};

struct atl1e_rx_page {
        u32             dma;    /* receive rage DMA address */
        u8              *addr;   /* receive rage virtual address */
        u32             write_offset_dma;  /* the DMA address which contain the
                                              receive data offset in the page */
        u32             *write_offset_addr; /* the virtaul address which contain
                                             the receive data offset in the page */
        u32             read_offset;       /* the offset where we have read */
};

struct atl1e_rx_page_desc {
        struct atl1e_rx_page   rx_page[AT_PAGE_NUM_PER_QUEUE];
        u8  rx_using;
        u16 rx_nxseq;
};

/* transmit packet descriptor (tpd) ring */
struct atl1e_tx_ring {
        struct atl1e_tpd_desc *desc;  /* descriptor ring virtual address  */
        u32                dma;    /* descriptor ring physical address */
        u16                count;  /* the count of transmit rings  */
        u16                next_to_use;
        u16                next_to_clean;
        struct atl1e_tx_buffer *tx_buffer;
        u32                cmb_dma;
        u32                *cmb;
};

/* receive packet descriptor ring */
struct atl1e_rx_ring {
        void            *desc;
        u32             dma;
        int             size;
        u32             page_size; /* bytes length of rxf page */
        u32             real_page_size; /* real_page_size = page_size + jumbo + aliagn */
        struct atl1e_rx_page_desc rx_page_desc;
};

/* board specific private data structure */
struct atl1e_adapter {
        struct net_device   *netdev;
        struct pci_device   *pdev;
        struct mii_if_info  mii;    /* MII interface info */
        struct atl1e_hw        hw;

        u16 link_speed;
        u16 link_duplex;

        /* All Descriptor memory */
        u32             ring_dma;
        void            *ring_vir_addr;
        u32             ring_size;

        struct atl1e_tx_ring tx_ring;
        struct atl1e_rx_ring rx_ring;

        int bd_number;     /* board number;*/
};

#define AT_WRITE_REG(a, reg, value) \
                writel((value), ((a)->hw_addr + reg))

#define AT_WRITE_FLUSH(a) \
                readl((a)->hw_addr)

#define AT_READ_REG(a, reg) \
                readl((a)->hw_addr + reg)

#define AT_WRITE_REGB(a, reg, value) \
                writeb((value), ((a)->hw_addr + reg))

#define AT_READ_REGB(a, reg) \
                readb((a)->hw_addr + reg)

#define AT_WRITE_REGW(a, reg, value) \
                writew((value), ((a)->hw_addr + reg))

#define AT_READ_REGW(a, reg) \
                readw((a)->hw_addr + reg)

#define AT_WRITE_REG_ARRAY(a, reg, offset, value) \
                writel((value), (((a)->hw_addr + reg) + ((offset) << 2)))

#define AT_READ_REG_ARRAY(a, reg, offset) \
                readl(((a)->hw_addr + reg) + ((offset) << 2))

extern int atl1e_up(struct atl1e_adapter *adapter);
extern void atl1e_down(struct atl1e_adapter *adapter);
extern s32 atl1e_reset_hw(struct atl1e_hw *hw);

/********** Hardware-level functionality: **********/

/* function prototype */
s32 atl1e_reset_hw(struct atl1e_hw *hw);
s32 atl1e_read_mac_addr(struct atl1e_hw *hw);
s32 atl1e_init_hw(struct atl1e_hw *hw);
s32 atl1e_phy_commit(struct atl1e_hw *hw);
s32 atl1e_get_speed_and_duplex(struct atl1e_hw *hw, u16 *speed, u16 *duplex);
u32 atl1e_auto_get_fc(struct atl1e_adapter *adapter, u16 duplex);
s32 atl1e_read_phy_reg(struct atl1e_hw *hw, u16 reg_addr, u16 *phy_data);
s32 atl1e_write_phy_reg(struct atl1e_hw *hw, u32 reg_addr, u16 phy_data);
s32 atl1e_validate_mdi_setting(struct atl1e_hw *hw);
void atl1e_hw_set_mac_addr(struct atl1e_hw *hw);
s32 atl1e_phy_enter_power_saving(struct atl1e_hw *hw);
s32 atl1e_phy_leave_power_saving(struct atl1e_hw *hw);
s32 atl1e_phy_init(struct atl1e_hw *hw);
int atl1e_check_eeprom_exist(struct atl1e_hw *hw);
void atl1e_force_ps(struct atl1e_hw *hw);
s32 atl1e_restart_autoneg(struct atl1e_hw *hw);

/* register definition */
#define REG_PM_CTRLSTAT             0x44

#define REG_PCIE_CAP_LIST           0x58

#define REG_DEVICE_CAP              0x5C
#define     DEVICE_CAP_MAX_PAYLOAD_MASK     0x7
#define     DEVICE_CAP_MAX_PAYLOAD_SHIFT    0

#define REG_DEVICE_CTRL             0x60
#define     DEVICE_CTRL_MAX_PAYLOAD_MASK    0x7
#define     DEVICE_CTRL_MAX_PAYLOAD_SHIFT   5
#define     DEVICE_CTRL_MAX_RREQ_SZ_MASK    0x7
#define     DEVICE_CTRL_MAX_RREQ_SZ_SHIFT   12

#define REG_VPD_CAP                 0x6C
#define     VPD_CAP_ID_MASK                 0xff
#define     VPD_CAP_ID_SHIFT                0
#define     VPD_CAP_NEXT_PTR_MASK           0xFF
#define     VPD_CAP_NEXT_PTR_SHIFT          8
#define     VPD_CAP_VPD_ADDR_MASK           0x7FFF
#define     VPD_CAP_VPD_ADDR_SHIFT          16
#define     VPD_CAP_VPD_FLAG                0x80000000

#define REG_VPD_DATA                0x70

#define REG_SPI_FLASH_CTRL          0x200
#define     SPI_FLASH_CTRL_STS_NON_RDY      0x1
#define     SPI_FLASH_CTRL_STS_WEN          0x2
#define     SPI_FLASH_CTRL_STS_WPEN         0x80
#define     SPI_FLASH_CTRL_DEV_STS_MASK     0xFF
#define     SPI_FLASH_CTRL_DEV_STS_SHIFT    0
#define     SPI_FLASH_CTRL_INS_MASK         0x7
#define     SPI_FLASH_CTRL_INS_SHIFT        8
#define     SPI_FLASH_CTRL_START            0x800
#define     SPI_FLASH_CTRL_EN_VPD           0x2000
#define     SPI_FLASH_CTRL_LDSTART          0x8000
#define     SPI_FLASH_CTRL_CS_HI_MASK       0x3
#define     SPI_FLASH_CTRL_CS_HI_SHIFT      16
#define     SPI_FLASH_CTRL_CS_HOLD_MASK     0x3
#define     SPI_FLASH_CTRL_CS_HOLD_SHIFT    18
#define     SPI_FLASH_CTRL_CLK_LO_MASK      0x3
#define     SPI_FLASH_CTRL_CLK_LO_SHIFT     20
#define     SPI_FLASH_CTRL_CLK_HI_MASK      0x3
#define     SPI_FLASH_CTRL_CLK_HI_SHIFT     22
#define     SPI_FLASH_CTRL_CS_SETUP_MASK    0x3
#define     SPI_FLASH_CTRL_CS_SETUP_SHIFT   24
#define     SPI_FLASH_CTRL_EROM_PGSZ_MASK   0x3
#define     SPI_FLASH_CTRL_EROM_PGSZ_SHIFT  26
#define     SPI_FLASH_CTRL_WAIT_READY       0x10000000

#define REG_SPI_ADDR                0x204

#define REG_SPI_DATA                0x208

#define REG_SPI_FLASH_CONFIG        0x20C
#define     SPI_FLASH_CONFIG_LD_ADDR_MASK   0xFFFFFF
#define     SPI_FLASH_CONFIG_LD_ADDR_SHIFT  0
#define     SPI_FLASH_CONFIG_VPD_ADDR_MASK  0x3
#define     SPI_FLASH_CONFIG_VPD_ADDR_SHIFT 24
#define     SPI_FLASH_CONFIG_LD_EXIST       0x4000000


#define REG_SPI_FLASH_OP_PROGRAM    0x210
#define REG_SPI_FLASH_OP_SC_ERASE   0x211
#define REG_SPI_FLASH_OP_CHIP_ERASE 0x212
#define REG_SPI_FLASH_OP_RDID       0x213
#define REG_SPI_FLASH_OP_WREN       0x214
#define REG_SPI_FLASH_OP_RDSR       0x215
#define REG_SPI_FLASH_OP_WRSR       0x216
#define REG_SPI_FLASH_OP_READ       0x217

#define REG_TWSI_CTRL               0x218
#define     TWSI_CTRL_LD_OFFSET_MASK        0xFF
#define     TWSI_CTRL_LD_OFFSET_SHIFT       0
#define     TWSI_CTRL_LD_SLV_ADDR_MASK      0x7
#define     TWSI_CTRL_LD_SLV_ADDR_SHIFT     8
#define     TWSI_CTRL_SW_LDSTART            0x800
#define     TWSI_CTRL_HW_LDSTART            0x1000
#define     TWSI_CTRL_SMB_SLV_ADDR_MASK     0x0x7F
#define     TWSI_CTRL_SMB_SLV_ADDR_SHIFT    15
#define     TWSI_CTRL_LD_EXIST              0x400000
#define     TWSI_CTRL_READ_FREQ_SEL_MASK    0x3
#define     TWSI_CTRL_READ_FREQ_SEL_SHIFT   23
#define     TWSI_CTRL_FREQ_SEL_100K         0
#define     TWSI_CTRL_FREQ_SEL_200K         1
#define     TWSI_CTRL_FREQ_SEL_300K         2
#define     TWSI_CTRL_FREQ_SEL_400K         3
#define     TWSI_CTRL_SMB_SLV_ADDR
#define     TWSI_CTRL_WRITE_FREQ_SEL_MASK   0x3
#define     TWSI_CTRL_WRITE_FREQ_SEL_SHIFT  24


#define REG_PCIE_DEV_MISC_CTRL      0x21C
#define     PCIE_DEV_MISC_CTRL_EXT_PIPE     0x2
#define     PCIE_DEV_MISC_CTRL_RETRY_BUFDIS 0x1
#define     PCIE_DEV_MISC_CTRL_SPIROM_EXIST 0x4
#define     PCIE_DEV_MISC_CTRL_SERDES_ENDIAN    0x8
#define     PCIE_DEV_MISC_CTRL_SERDES_SEL_DIN   0x10

#define REG_PCIE_PHYMISC            0x1000
#define PCIE_PHYMISC_FORCE_RCV_DET      0x4

#define REG_LTSSM_TEST_MODE         0x12FC
#define         LTSSM_TEST_MODE_DEF     0xE000

/* Selene Master Control Register */
#define REG_MASTER_CTRL             0x1400
#define     MASTER_CTRL_SOFT_RST            0x1
#define     MASTER_CTRL_MTIMER_EN           0x2
#define     MASTER_CTRL_ITIMER_EN           0x4
#define     MASTER_CTRL_MANUAL_INT          0x8
#define     MASTER_CTRL_ITIMER2_EN          0x20
#define     MASTER_CTRL_INT_RDCLR           0x40
#define     MASTER_CTRL_LED_MODE            0x200
#define     MASTER_CTRL_REV_NUM_SHIFT       16
#define     MASTER_CTRL_REV_NUM_MASK        0xff
#define     MASTER_CTRL_DEV_ID_SHIFT        24
#define     MASTER_CTRL_DEV_ID_MASK         0xff

/* Timer Initial Value Register */
#define REG_MANUAL_TIMER_INIT       0x1404


/* IRQ ModeratorTimer Initial Value Register */
#define REG_IRQ_MODU_TIMER_INIT     0x1408   /* w */
#define REG_IRQ_MODU_TIMER2_INIT    0x140A   /* w */


#define REG_GPHY_CTRL               0x140C
#define     GPHY_CTRL_EXT_RESET         1
#define     GPHY_CTRL_PIPE_MOD          2
#define     GPHY_CTRL_TEST_MODE_MASK    3
#define     GPHY_CTRL_TEST_MODE_SHIFT   2
#define     GPHY_CTRL_BERT_START        0x10
#define     GPHY_CTRL_GATE_25M_EN       0x20
#define     GPHY_CTRL_LPW_EXIT          0x40
#define     GPHY_CTRL_PHY_IDDQ          0x80
#define     GPHY_CTRL_PHY_IDDQ_DIS      0x100
#define     GPHY_CTRL_PCLK_SEL_DIS      0x200
#define     GPHY_CTRL_HIB_EN            0x400
#define     GPHY_CTRL_HIB_PULSE         0x800
#define     GPHY_CTRL_SEL_ANA_RST       0x1000
#define     GPHY_CTRL_PHY_PLL_ON        0x2000
#define     GPHY_CTRL_PWDOWN_HW         0x4000
#define     GPHY_CTRL_DEFAULT (\
                GPHY_CTRL_PHY_PLL_ON    |\
                GPHY_CTRL_SEL_ANA_RST   |\
                GPHY_CTRL_HIB_PULSE     |\
                GPHY_CTRL_HIB_EN)

#define     GPHY_CTRL_PW_WOL_DIS (\
                GPHY_CTRL_PHY_PLL_ON    |\
                GPHY_CTRL_SEL_ANA_RST   |\
                GPHY_CTRL_HIB_PULSE     |\
                GPHY_CTRL_HIB_EN        |\
                GPHY_CTRL_PWDOWN_HW     |\
                GPHY_CTRL_PCLK_SEL_DIS  |\
                GPHY_CTRL_PHY_IDDQ)

/* IRQ Anti-Lost Timer Initial Value Register */
#define REG_CMBDISDMA_TIMER         0x140E


/* Block IDLE Status Register */
#define REG_IDLE_STATUS         0x1410
#define     IDLE_STATUS_RXMAC       1    /* 1: RXMAC state machine is in non-IDLE state. 0: RXMAC is idling */
#define     IDLE_STATUS_TXMAC       2    /* 1: TXMAC state machine is in non-IDLE state. 0: TXMAC is idling */
#define     IDLE_STATUS_RXQ         4    /* 1: RXQ state machine is in non-IDLE state.   0: RXQ is idling   */
#define     IDLE_STATUS_TXQ         8    /* 1: TXQ state machine is in non-IDLE state.   0: TXQ is idling   */
#define     IDLE_STATUS_DMAR        0x10 /* 1: DMAR state machine is in non-IDLE state.  0: DMAR is idling  */
#define     IDLE_STATUS_DMAW        0x20 /* 1: DMAW state machine is in non-IDLE state.  0: DMAW is idling  */
#define     IDLE_STATUS_SMB         0x40 /* 1: SMB state machine is in non-IDLE state.   0: SMB is idling   */
#define     IDLE_STATUS_CMB         0x80 /* 1: CMB state machine is in non-IDLE state.   0: CMB is idling   */

/* MDIO Control Register */
#define REG_MDIO_CTRL           0x1414
#define     MDIO_DATA_MASK          0xffff  /* On MDIO write, the 16-bit control data to write to PHY MII management register */
#define     MDIO_DATA_SHIFT         0       /* On MDIO read, the 16-bit status data that was read from the PHY MII management register*/
#define     MDIO_REG_ADDR_MASK      0x1f    /* MDIO register address */
#define     MDIO_REG_ADDR_SHIFT     16
#define     MDIO_RW                 0x200000      /* 1: read, 0: write */
#define     MDIO_SUP_PREAMBLE       0x400000      /* Suppress preamble */
#define     MDIO_START              0x800000      /* Write 1 to initiate the MDIO master. And this bit is self cleared after one cycle*/
#define     MDIO_CLK_SEL_SHIFT      24
#define     MDIO_CLK_25_4           0
#define     MDIO_CLK_25_6           2
#define     MDIO_CLK_25_8           3
#define     MDIO_CLK_25_10          4
#define     MDIO_CLK_25_14          5
#define     MDIO_CLK_25_20          6
#define     MDIO_CLK_25_28          7
#define     MDIO_BUSY               0x8000000
#define     MDIO_AP_EN              0x10000000
#define MDIO_WAIT_TIMES         10

/* MII PHY Status Register */
#define REG_PHY_STATUS           0x1418
#define     PHY_STATUS_100M           0x20000
#define     PHY_STATUS_EMI_CA         0x40000

/* BIST Control and Status Register0 (for the Packet Memory) */
#define REG_BIST0_CTRL              0x141c
#define     BIST0_NOW                   0x1 /* 1: To trigger BIST0 logic. This bit stays high during the */
/* BIST process and reset to zero when BIST is done */
#define     BIST0_SRAM_FAIL             0x2 /* 1: The SRAM failure is un-repairable because it has address */
/* decoder failure or more than 1 cell stuck-to-x failure */
#define     BIST0_FUSE_FLAG             0x4 /* 1: Indicating one cell has been fixed */

/* BIST Control and Status Register1(for the retry buffer of PCI Express) */
#define REG_BIST1_CTRL              0x1420
#define     BIST1_NOW                   0x1 /* 1: To trigger BIST0 logic. This bit stays high during the */
/* BIST process and reset to zero when BIST is done */
#define     BIST1_SRAM_FAIL             0x2 /* 1: The SRAM failure is un-repairable because it has address */
/* decoder failure or more than 1 cell stuck-to-x failure.*/
#define     BIST1_FUSE_FLAG             0x4

/* SerDes Lock Detect Control and Status Register */
#define REG_SERDES_LOCK             0x1424
#define     SERDES_LOCK_DETECT          1  /* 1: SerDes lock detected . This signal comes from Analog SerDes */
#define     SERDES_LOCK_DETECT_EN       2  /* 1: Enable SerDes Lock detect function */

/* MAC Control Register  */
#define REG_MAC_CTRL                0x1480
#define     MAC_CTRL_TX_EN              1  /* 1: Transmit Enable */
#define     MAC_CTRL_RX_EN              2  /* 1: Receive Enable */
#define     MAC_CTRL_TX_FLOW            4  /* 1: Transmit Flow Control Enable */
#define     MAC_CTRL_RX_FLOW            8  /* 1: Receive Flow Control Enable */
#define     MAC_CTRL_LOOPBACK           0x10      /* 1: Loop back at G/MII Interface */
#define     MAC_CTRL_DUPLX              0x20      /* 1: Full-duplex mode  0: Half-duplex mode */
#define     MAC_CTRL_ADD_CRC            0x40      /* 1: Instruct MAC to attach CRC on all egress Ethernet frames */
#define     MAC_CTRL_PAD                0x80      /* 1: Instruct MAC to pad short frames to 60-bytes, and then attach CRC. This bit has higher priority over CRC_EN */
#define     MAC_CTRL_LENCHK             0x100     /* 1: Instruct MAC to check if length field matches the real packet length */
#define     MAC_CTRL_HUGE_EN            0x200     /* 1: receive Jumbo frame enable */
#define     MAC_CTRL_PRMLEN_SHIFT       10        /* Preamble length */
#define     MAC_CTRL_PRMLEN_MASK        0xf
#define     MAC_CTRL_RMV_VLAN           0x4000    /* 1: to remove VLAN Tag automatically from all receive packets */
#define     MAC_CTRL_PROMIS_EN          0x8000    /* 1: Promiscuous Mode Enable */
#define     MAC_CTRL_TX_PAUSE           0x10000   /* 1: transmit test pause */
#define     MAC_CTRL_SCNT               0x20000   /* 1: shortcut slot time counter */
#define     MAC_CTRL_SRST_TX            0x40000   /* 1: synchronized reset Transmit MAC module */
#define     MAC_CTRL_TX_SIMURST         0x80000   /* 1: transmit simulation reset */
#define     MAC_CTRL_SPEED_SHIFT        20        /* 10: gigabit 01:10M/100M */
#define     MAC_CTRL_SPEED_MASK         0x300000
#define     MAC_CTRL_SPEED_1000         2
#define     MAC_CTRL_SPEED_10_100       1
#define     MAC_CTRL_DBG_TX_BKPRESURE   0x400000  /* 1: transmit maximum backoff (half-duplex test bit) */
#define     MAC_CTRL_TX_HUGE            0x800000  /* 1: transmit huge enable */
#define     MAC_CTRL_RX_CHKSUM_EN       0x1000000 /* 1: RX checksum enable */
#define     MAC_CTRL_MC_ALL_EN          0x2000000 /* 1: upload all multicast frame without error to system */
#define     MAC_CTRL_BC_EN              0x4000000 /* 1: upload all broadcast frame without error to system */
#define     MAC_CTRL_DBG                0x8000000 /* 1: upload all received frame to system (Debug Mode) */

/* MAC IPG/IFG Control Register  */
#define REG_MAC_IPG_IFG             0x1484
#define     MAC_IPG_IFG_IPGT_SHIFT      0     /* Desired back to back inter-packet gap. The default is 96-bit time */
#define     MAC_IPG_IFG_IPGT_MASK       0x7f
#define     MAC_IPG_IFG_MIFG_SHIFT      8     /* Minimum number of IFG to enforce in between RX frames */
#define     MAC_IPG_IFG_MIFG_MASK       0xff  /* Frame gap below such IFP is dropped */
#define     MAC_IPG_IFG_IPGR1_SHIFT     16    /* 64bit Carrier-Sense window */
#define     MAC_IPG_IFG_IPGR1_MASK      0x7f
#define     MAC_IPG_IFG_IPGR2_SHIFT     24    /* 96-bit IPG window */
#define     MAC_IPG_IFG_IPGR2_MASK      0x7f

/* MAC STATION ADDRESS  */
#define REG_MAC_STA_ADDR            0x1488

/* Hash table for multicast address */
#define REG_RX_HASH_TABLE           0x1490


/* MAC Half-Duplex Control Register */
#define REG_MAC_HALF_DUPLX_CTRL     0x1498
#define     MAC_HALF_DUPLX_CTRL_LCOL_SHIFT   0      /* Collision Window */
#define     MAC_HALF_DUPLX_CTRL_LCOL_MASK    0x3ff
#define     MAC_HALF_DUPLX_CTRL_RETRY_SHIFT  12     /* Retransmission maximum, afterwards the packet will be discarded */
#define     MAC_HALF_DUPLX_CTRL_RETRY_MASK   0xf
#define     MAC_HALF_DUPLX_CTRL_EXC_DEF_EN   0x10000 /* 1: Allow the transmission of a packet which has been excessively deferred */
#define     MAC_HALF_DUPLX_CTRL_NO_BACK_C    0x20000 /* 1: No back-off on collision, immediately start the retransmission */
#define     MAC_HALF_DUPLX_CTRL_NO_BACK_P    0x40000 /* 1: No back-off on backpressure, immediately start the transmission after back pressure */
#define     MAC_HALF_DUPLX_CTRL_ABEBE        0x80000 /* 1: Alternative Binary Exponential Back-off Enabled */
#define     MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT  20      /* Maximum binary exponential number */
#define     MAC_HALF_DUPLX_CTRL_ABEBT_MASK   0xf
#define     MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT 24      /* IPG to start JAM for collision based flow control in half-duplex */
#define     MAC_HALF_DUPLX_CTRL_JAMIPG_MASK  0xf     /* mode. In unit of 8-bit time */

/* Maximum Frame Length Control Register   */
#define REG_MTU                     0x149c

/* Wake-On-Lan control register */
#define REG_WOL_CTRL                0x14a0
#define     WOL_PATTERN_EN                  0x00000001
#define     WOL_PATTERN_PME_EN              0x00000002
#define     WOL_MAGIC_EN                    0x00000004
#define     WOL_MAGIC_PME_EN                0x00000008
#define     WOL_LINK_CHG_EN                 0x00000010
#define     WOL_LINK_CHG_PME_EN             0x00000020
#define     WOL_PATTERN_ST                  0x00000100
#define     WOL_MAGIC_ST                    0x00000200
#define     WOL_LINKCHG_ST                  0x00000400
#define     WOL_CLK_SWITCH_EN               0x00008000
#define     WOL_PT0_EN                      0x00010000
#define     WOL_PT1_EN                      0x00020000
#define     WOL_PT2_EN                      0x00040000
#define     WOL_PT3_EN                      0x00080000
#define     WOL_PT4_EN                      0x00100000
#define     WOL_PT5_EN                      0x00200000
#define     WOL_PT6_EN                      0x00400000
/* WOL Length ( 2 DWORD ) */
#define REG_WOL_PATTERN_LEN         0x14a4
#define     WOL_PT_LEN_MASK                 0x7f
#define     WOL_PT0_LEN_SHIFT               0
#define     WOL_PT1_LEN_SHIFT               8
#define     WOL_PT2_LEN_SHIFT               16
#define     WOL_PT3_LEN_SHIFT               24
#define     WOL_PT4_LEN_SHIFT               0
#define     WOL_PT5_LEN_SHIFT               8
#define     WOL_PT6_LEN_SHIFT               16

/* Internal SRAM Partition Register */
#define REG_SRAM_TRD_ADDR           0x1518
#define REG_SRAM_TRD_LEN            0x151C
#define REG_SRAM_RXF_ADDR           0x1520
#define REG_SRAM_RXF_LEN            0x1524
#define REG_SRAM_TXF_ADDR           0x1528
#define REG_SRAM_TXF_LEN            0x152C
#define REG_SRAM_TCPH_ADDR          0x1530
#define REG_SRAM_PKTH_ADDR          0x1532

/* Load Ptr Register */
#define REG_LOAD_PTR                0x1534  /* Software sets this bit after the initialization of the head and tail */

/*
 * addresses of all descriptors, as well as the following descriptor
 * control register, which triggers each function block to load the head
 * pointer to prepare for the operation. This bit is then self-cleared
 * after one cycle.
 */

/* Descriptor Control register  */
#define REG_RXF3_BASE_ADDR_HI           0x153C
#define REG_DESC_BASE_ADDR_HI           0x1540
#define REG_RXF0_BASE_ADDR_HI           0x1540 /* share with DESC BASE ADDR HI */
#define REG_HOST_RXF0_PAGE0_LO          0x1544
#define REG_HOST_RXF0_PAGE1_LO          0x1548
#define REG_TPD_BASE_ADDR_LO            0x154C
#define REG_RXF1_BASE_ADDR_HI           0x1550
#define REG_RXF2_BASE_ADDR_HI           0x1554
#define REG_HOST_RXFPAGE_SIZE           0x1558
#define REG_TPD_RING_SIZE               0x155C
/* RSS about */
#define REG_RSS_KEY0                    0x14B0
#define REG_RSS_KEY1                    0x14B4
#define REG_RSS_KEY2                    0x14B8
#define REG_RSS_KEY3                    0x14BC
#define REG_RSS_KEY4                    0x14C0
#define REG_RSS_KEY5                    0x14C4
#define REG_RSS_KEY6                    0x14C8
#define REG_RSS_KEY7                    0x14CC
#define REG_RSS_KEY8                    0x14D0
#define REG_RSS_KEY9                    0x14D4
#define REG_IDT_TABLE4                  0x14E0
#define REG_IDT_TABLE5                  0x14E4
#define REG_IDT_TABLE6                  0x14E8
#define REG_IDT_TABLE7                  0x14EC
#define REG_IDT_TABLE0                  0x1560
#define REG_IDT_TABLE1                  0x1564
#define REG_IDT_TABLE2                  0x1568
#define REG_IDT_TABLE3                  0x156C
#define REG_IDT_TABLE                   REG_IDT_TABLE0
#define REG_RSS_HASH_VALUE              0x1570
#define REG_RSS_HASH_FLAG               0x1574
#define REG_BASE_CPU_NUMBER             0x157C


/* TXQ Control Register */
#define REG_TXQ_CTRL                0x1580
#define     TXQ_CTRL_NUM_TPD_BURST_MASK     0xF
#define     TXQ_CTRL_NUM_TPD_BURST_SHIFT    0
#define     TXQ_CTRL_EN                     0x20  /* 1: Enable TXQ */
#define     TXQ_CTRL_ENH_MODE               0x40  /* Performance enhancement mode, in which up to two back-to-back DMA read commands might be dispatched. */
#define     TXQ_CTRL_TXF_BURST_NUM_SHIFT    16    /* Number of data byte to read in a cache-aligned burst. Each SRAM entry is 8-byte in length. */
#define     TXQ_CTRL_TXF_BURST_NUM_MASK     0xffff

/* Jumbo packet Threshold for task offload */
#define REG_TX_EARLY_TH                     0x1584 /* Jumbo frame threshold in QWORD unit. Packet greater than */
/* JUMBO_TASK_OFFLOAD_THRESHOLD will not be task offloaded. */
#define     TX_TX_EARLY_TH_MASK             0x7ff
#define     TX_TX_EARLY_TH_SHIFT            0


/* RXQ Control Register */
#define REG_RXQ_CTRL                0x15A0
#define         RXQ_CTRL_PBA_ALIGN_32                   0   /* rx-packet alignment */
#define         RXQ_CTRL_PBA_ALIGN_64                   1
#define         RXQ_CTRL_PBA_ALIGN_128                  2
#define         RXQ_CTRL_PBA_ALIGN_256                  3
#define         RXQ_CTRL_Q1_EN                          0x10
#define         RXQ_CTRL_Q2_EN                          0x20
#define         RXQ_CTRL_Q3_EN                          0x40
#define         RXQ_CTRL_IPV6_XSUM_VERIFY_EN            0x80
#define         RXQ_CTRL_HASH_TLEN_SHIFT                8
#define         RXQ_CTRL_HASH_TLEN_MASK                 0xFF
#define         RXQ_CTRL_HASH_TYPE_IPV4                 0x10000
#define         RXQ_CTRL_HASH_TYPE_IPV4_TCP             0x20000
#define         RXQ_CTRL_HASH_TYPE_IPV6                 0x40000
#define         RXQ_CTRL_HASH_TYPE_IPV6_TCP             0x80000
#define         RXQ_CTRL_RSS_MODE_DISABLE               0
#define         RXQ_CTRL_RSS_MODE_SQSINT                0x4000000
#define         RXQ_CTRL_RSS_MODE_MQUESINT              0x8000000
#define         RXQ_CTRL_RSS_MODE_MQUEMINT              0xC000000
#define         RXQ_CTRL_NIP_QUEUE_SEL_TBL              0x10000000
#define         RXQ_CTRL_HASH_ENABLE                    0x20000000
#define         RXQ_CTRL_CUT_THRU_EN                    0x40000000
#define         RXQ_CTRL_EN                             0x80000000

/* Rx jumbo packet threshold and rrd  retirement timer  */
#define REG_RXQ_JMBOSZ_RRDTIM       0x15A4
/*
 * Jumbo packet threshold for non-VLAN packet, in QWORD (64-bit) unit.
 * When the packet length greater than or equal to this value, RXQ
 * shall start cut-through forwarding of the received packet.
 */
#define         RXQ_JMBOSZ_TH_MASK      0x7ff
#define         RXQ_JMBOSZ_TH_SHIFT         0  /* RRD retirement timer. Decrement by 1 after every 512ns passes*/
#define         RXQ_JMBO_LKAH_MASK          0xf
#define         RXQ_JMBO_LKAH_SHIFT         11

/* RXF flow control register */
#define REG_RXQ_RXF_PAUSE_THRESH    0x15A8
#define     RXQ_RXF_PAUSE_TH_HI_SHIFT       0
#define     RXQ_RXF_PAUSE_TH_HI_MASK        0xfff
#define     RXQ_RXF_PAUSE_TH_LO_SHIFT       16
#define     RXQ_RXF_PAUSE_TH_LO_MASK        0xfff


/* DMA Engine Control Register */
#define REG_DMA_CTRL                0x15C0
#define     DMA_CTRL_DMAR_IN_ORDER          0x1
#define     DMA_CTRL_DMAR_ENH_ORDER         0x2
#define     DMA_CTRL_DMAR_OUT_ORDER         0x4
#define     DMA_CTRL_RCB_VALUE              0x8
#define     DMA_CTRL_DMAR_BURST_LEN_SHIFT   4
#define     DMA_CTRL_DMAR_BURST_LEN_MASK    7
#define     DMA_CTRL_DMAW_BURST_LEN_SHIFT   7
#define     DMA_CTRL_DMAW_BURST_LEN_MASK    7
#define     DMA_CTRL_DMAR_REQ_PRI           0x400
#define     DMA_CTRL_DMAR_DLY_CNT_MASK      0x1F
#define     DMA_CTRL_DMAR_DLY_CNT_SHIFT     11
#define     DMA_CTRL_DMAW_DLY_CNT_MASK      0xF
#define     DMA_CTRL_DMAW_DLY_CNT_SHIFT     16
#define     DMA_CTRL_TXCMB_EN               0x100000
#define     DMA_CTRL_RXCMB_EN                           0x200000


/* CMB/SMB Control Register */
#define REG_SMB_STAT_TIMER                      0x15C4
#define REG_TRIG_RRD_THRESH                     0x15CA
#define REG_TRIG_TPD_THRESH                     0x15C8
#define REG_TRIG_TXTIMER                        0x15CC
#define REG_TRIG_RXTIMER                        0x15CE

/* HOST RXF Page 1,2,3 address */
#define REG_HOST_RXF1_PAGE0_LO                  0x15D0
#define REG_HOST_RXF1_PAGE1_LO                  0x15D4
#define REG_HOST_RXF2_PAGE0_LO                  0x15D8
#define REG_HOST_RXF2_PAGE1_LO                  0x15DC
#define REG_HOST_RXF3_PAGE0_LO                  0x15E0
#define REG_HOST_RXF3_PAGE1_LO                  0x15E4

/* Mail box */
#define REG_MB_RXF1_RADDR                       0x15B4
#define REG_MB_RXF2_RADDR                       0x15B8
#define REG_MB_RXF3_RADDR                       0x15BC
#define REG_MB_TPD_PROD_IDX                     0x15F0

/* RXF-Page 0-3  PageNo & Valid bit */
#define REG_HOST_RXF0_PAGE0_VLD     0x15F4
#define     HOST_RXF_VALID              1
#define     HOST_RXF_PAGENO_SHIFT       1
#define     HOST_RXF_PAGENO_MASK        0x7F
#define REG_HOST_RXF0_PAGE1_VLD     0x15F5
#define REG_HOST_RXF1_PAGE0_VLD     0x15F6
#define REG_HOST_RXF1_PAGE1_VLD     0x15F7
#define REG_HOST_RXF2_PAGE0_VLD     0x15F8
#define REG_HOST_RXF2_PAGE1_VLD     0x15F9
#define REG_HOST_RXF3_PAGE0_VLD     0x15FA
#define REG_HOST_RXF3_PAGE1_VLD     0x15FB

/* Interrupt Status Register */
#define REG_ISR    0x1600
#define  ISR_SMB                1
#define  ISR_TIMER              2       /* Interrupt when Timer is counted down to zero */
/*
 * Software manual interrupt, for debug. Set when SW_MAN_INT_EN is set
 * in Table 51 Selene Master Control Register (Offset 0x1400).
 */
#define  ISR_MANUAL             4
#define  ISR_HW_RXF_OV          8        /* RXF overflow interrupt */
#define  ISR_HOST_RXF0_OV       0x10
#define  ISR_HOST_RXF1_OV       0x20
#define  ISR_HOST_RXF2_OV       0x40
#define  ISR_HOST_RXF3_OV       0x80
#define  ISR_TXF_UN             0x100
#define  ISR_RX0_PAGE_FULL      0x200
#define  ISR_DMAR_TO_RST        0x400
#define  ISR_DMAW_TO_RST        0x800
#define  ISR_GPHY               0x1000
#define  ISR_TX_CREDIT          0x2000
#define  ISR_GPHY_LPW           0x4000    /* GPHY low power state interrupt */
#define  ISR_RX_PKT             0x10000   /* One packet received, triggered by RFD */
#define  ISR_TX_PKT             0x20000   /* One packet transmitted, triggered by TPD */
#define  ISR_TX_DMA             0x40000
#define  ISR_RX_PKT_1           0x80000
#define  ISR_RX_PKT_2           0x100000
#define  ISR_RX_PKT_3           0x200000
#define  ISR_MAC_RX             0x400000
#define  ISR_MAC_TX             0x800000
#define  ISR_UR_DETECTED        0x1000000
#define  ISR_FERR_DETECTED      0x2000000
#define  ISR_NFERR_DETECTED     0x4000000
#define  ISR_CERR_DETECTED      0x8000000
#define  ISR_PHY_LINKDOWN       0x10000000
#define  ISR_DIS_INT            0x80000000


/* Interrupt Mask Register */
#define REG_IMR 0x1604


#define IMR_NORMAL_MASK (\
                ISR_SMB         |\
                ISR_TXF_UN      |\
                ISR_HW_RXF_OV   |\
                ISR_HOST_RXF0_OV|\
                ISR_MANUAL      |\
                ISR_GPHY        |\
                ISR_GPHY_LPW    |\
                ISR_DMAR_TO_RST |\
                ISR_DMAW_TO_RST |\
                ISR_PHY_LINKDOWN|\
                ISR_RX_PKT      |\
                ISR_TX_PKT)

#define ISR_TX_EVENT (ISR_TXF_UN | ISR_TX_PKT)
#define ISR_RX_EVENT (ISR_HOST_RXF0_OV | ISR_HW_RXF_OV | ISR_RX_PKT)

#define REG_MAC_RX_STATUS_BIN 0x1700
#define REG_MAC_RX_STATUS_END 0x175c
#define REG_MAC_TX_STATUS_BIN 0x1760
#define REG_MAC_TX_STATUS_END 0x17c0

/* Hardware Offset Register */
#define REG_HOST_RXF0_PAGEOFF 0x1800
#define REG_TPD_CONS_IDX      0x1804
#define REG_HOST_RXF1_PAGEOFF 0x1808
#define REG_HOST_RXF2_PAGEOFF 0x180C
#define REG_HOST_RXF3_PAGEOFF 0x1810

/* RXF-Page 0-3 Offset DMA Address */
#define REG_HOST_RXF0_MB0_LO  0x1820
#define REG_HOST_RXF0_MB1_LO  0x1824
#define REG_HOST_RXF1_MB0_LO  0x1828
#define REG_HOST_RXF1_MB1_LO  0x182C
#define REG_HOST_RXF2_MB0_LO  0x1830
#define REG_HOST_RXF2_MB1_LO  0x1834
#define REG_HOST_RXF3_MB0_LO  0x1838
#define REG_HOST_RXF3_MB1_LO  0x183C

/* Tpd CMB DMA Address */
#define REG_HOST_TX_CMB_LO    0x1840
#define REG_HOST_SMB_ADDR_LO  0x1844

/* DEBUG ADDR */
#define REG_DEBUG_DATA0 0x1900
#define REG_DEBUG_DATA1 0x1904

/***************************** MII definition ***************************************/
/* PHY Common Register */
#define MII_BMCR                        0x00
#define MII_BMSR                        0x01
#define MII_PHYSID1                     0x02
#define MII_PHYSID2                     0x03
#define MII_ADVERTISE                   0x04
#define MII_LPA                         0x05
#define MII_EXPANSION                   0x06
#define MII_AT001_CR                    0x09
#define MII_AT001_SR                    0x0A
#define MII_AT001_ESR                   0x0F
#define MII_AT001_PSCR                  0x10
#define MII_AT001_PSSR                  0x11
#define MII_INT_CTRL                    0x12
#define MII_INT_STATUS                  0x13
#define MII_SMARTSPEED                  0x14
#define MII_RERRCOUNTER                 0x15
#define MII_SREVISION                   0x16
#define MII_RESV1                       0x17
#define MII_LBRERROR                    0x18
#define MII_PHYADDR                     0x19
#define MII_RESV2                       0x1a
#define MII_TPISTATUS                   0x1b
#define MII_NCONFIG                     0x1c

#define MII_DBG_ADDR                    0x1D
#define MII_DBG_DATA                    0x1E


/* PHY Control Register */
#define MII_CR_SPEED_SELECT_MSB                  0x0040  /* bits 6,13: 10=1000, 01=100, 00=10 */
#define MII_CR_COLL_TEST_ENABLE                  0x0080  /* Collision test enable */
#define MII_CR_FULL_DUPLEX                       0x0100  /* FDX =1, half duplex =0 */
#define MII_CR_RESTART_AUTO_NEG                  0x0200  /* Restart auto negotiation */
#define MII_CR_ISOLATE                           0x0400  /* Isolate PHY from MII */
#define MII_CR_POWER_DOWN                        0x0800  /* Power down */
#define MII_CR_AUTO_NEG_EN                       0x1000  /* Auto Neg Enable */
#define MII_CR_SPEED_SELECT_LSB                  0x2000  /* bits 6,13: 10=1000, 01=100, 00=10 */
#define MII_CR_LOOPBACK                          0x4000  /* 0 = normal, 1 = loopback */
#define MII_CR_RESET                             0x8000  /* 0 = normal, 1 = PHY reset */
#define MII_CR_SPEED_MASK                        0x2040
#define MII_CR_SPEED_1000                        0x0040
#define MII_CR_SPEED_100                         0x2000
#define MII_CR_SPEED_10                          0x0000


/* PHY Status Register */
#define MII_SR_EXTENDED_CAPS                     0x0001  /* Extended register capabilities */
#define MII_SR_JABBER_DETECT                     0x0002  /* Jabber Detected */
#define MII_SR_LINK_STATUS                       0x0004  /* Link Status 1 = link */
#define MII_SR_AUTONEG_CAPS                      0x0008  /* Auto Neg Capable */
#define MII_SR_REMOTE_FAULT                      0x0010  /* Remote Fault Detect */
#define MII_SR_AUTONEG_COMPLETE                  0x0020  /* Auto Neg Complete */
#define MII_SR_PREAMBLE_SUPPRESS                 0x0040  /* Preamble may be suppressed */
#define MII_SR_EXTENDED_STATUS                   0x0100  /* Ext. status info in Reg 0x0F */
#define MII_SR_100T2_HD_CAPS                     0x0200  /* 100T2 Half Duplex Capable */
#define MII_SR_100T2_FD_CAPS                     0x0400  /* 100T2 Full Duplex Capable */
#define MII_SR_10T_HD_CAPS                       0x0800  /* 10T   Half Duplex Capable */
#define MII_SR_10T_FD_CAPS                       0x1000  /* 10T   Full Duplex Capable */
#define MII_SR_100X_HD_CAPS                      0x2000  /* 100X  Half Duplex Capable */
#define MII_SR_100X_FD_CAPS                      0x4000  /* 100X  Full Duplex Capable */
#define MII_SR_100T4_CAPS                        0x8000  /* 100T4 Capable */

/* Link partner ability register. */
#define MII_LPA_SLCT                             0x001f  /* Same as advertise selector  */
#define MII_LPA_10HALF                           0x0020  /* Can do 10mbps half-duplex   */
#define MII_LPA_10FULL                           0x0040  /* Can do 10mbps full-duplex   */
#define MII_LPA_100HALF                          0x0080  /* Can do 100mbps half-duplex  */
#define MII_LPA_100FULL                          0x0100  /* Can do 100mbps full-duplex  */
#define MII_LPA_100BASE4                         0x0200  /* 100BASE-T4  */
#define MII_LPA_PAUSE                            0x0400  /* PAUSE */
#define MII_LPA_ASYPAUSE                         0x0800  /* Asymmetrical PAUSE */
#define MII_LPA_RFAULT                           0x2000  /* Link partner faulted        */
#define MII_LPA_LPACK                            0x4000  /* Link partner acked us       */
#define MII_LPA_NPAGE                            0x8000  /* Next page bit               */

/* Autoneg Advertisement Register */
#define MII_AR_SELECTOR_FIELD                   0x0001  /* indicates IEEE 802.3 CSMA/CD */
#define MII_AR_10T_HD_CAPS                      0x0020  /* 10T   Half Duplex Capable */
#define MII_AR_10T_FD_CAPS                      0x0040  /* 10T   Full Duplex Capable */
#define MII_AR_100TX_HD_CAPS                    0x0080  /* 100TX Half Duplex Capable */
#define MII_AR_100TX_FD_CAPS                    0x0100  /* 100TX Full Duplex Capable */
#define MII_AR_100T4_CAPS                       0x0200  /* 100T4 Capable */
#define MII_AR_PAUSE                            0x0400  /* Pause operation desired */
#define MII_AR_ASM_DIR                          0x0800  /* Asymmetric Pause Direction bit */
#define MII_AR_REMOTE_FAULT                     0x2000  /* Remote Fault detected */
#define MII_AR_NEXT_PAGE                        0x8000  /* Next Page ability supported */
#define MII_AR_SPEED_MASK                       0x01E0
#define MII_AR_DEFAULT_CAP_MASK                 0x0DE0

/* 1000BASE-T Control Register */
#define MII_AT001_CR_1000T_HD_CAPS              0x0100  /* Advertise 1000T HD capability */
#define MII_AT001_CR_1000T_FD_CAPS              0x0200  /* Advertise 1000T FD capability  */
#define MII_AT001_CR_1000T_REPEATER_DTE         0x0400  /* 1=Repeater/switch device port */
/* 0=DTE device */
#define MII_AT001_CR_1000T_MS_VALUE             0x0800  /* 1=Configure PHY as Master */
/* 0=Configure PHY as Slave */
#define MII_AT001_CR_1000T_MS_ENABLE            0x1000  /* 1=Master/Slave manual config value */
/* 0=Automatic Master/Slave config */
#define MII_AT001_CR_1000T_TEST_MODE_NORMAL     0x0000  /* Normal Operation */
#define MII_AT001_CR_1000T_TEST_MODE_1          0x2000  /* Transmit Waveform test */
#define MII_AT001_CR_1000T_TEST_MODE_2          0x4000  /* Master Transmit Jitter test */
#define MII_AT001_CR_1000T_TEST_MODE_3          0x6000  /* Slave Transmit Jitter test */
#define MII_AT001_CR_1000T_TEST_MODE_4          0x8000  /* Transmitter Distortion test */
#define MII_AT001_CR_1000T_SPEED_MASK           0x0300
#define MII_AT001_CR_1000T_DEFAULT_CAP_MASK     0x0300

/* 1000BASE-T Status Register */
#define MII_AT001_SR_1000T_LP_HD_CAPS           0x0400  /* LP is 1000T HD capable */
#define MII_AT001_SR_1000T_LP_FD_CAPS           0x0800  /* LP is 1000T FD capable */
#define MII_AT001_SR_1000T_REMOTE_RX_STATUS     0x1000  /* Remote receiver OK */
#define MII_AT001_SR_1000T_LOCAL_RX_STATUS      0x2000  /* Local receiver OK */
#define MII_AT001_SR_1000T_MS_CONFIG_RES        0x4000  /* 1=Local TX is Master, 0=Slave */
#define MII_AT001_SR_1000T_MS_CONFIG_FAULT      0x8000  /* Master/Slave config fault */
#define MII_AT001_SR_1000T_REMOTE_RX_STATUS_SHIFT   12
#define MII_AT001_SR_1000T_LOCAL_RX_STATUS_SHIFT    13

/* Extended Status Register */
#define MII_AT001_ESR_1000T_HD_CAPS             0x1000  /* 1000T HD capable */
#define MII_AT001_ESR_1000T_FD_CAPS             0x2000  /* 1000T FD capable */
#define MII_AT001_ESR_1000X_HD_CAPS             0x4000  /* 1000X HD capable */
#define MII_AT001_ESR_1000X_FD_CAPS             0x8000  /* 1000X FD capable */

/* AT001 PHY Specific Control Register */
#define MII_AT001_PSCR_JABBER_DISABLE           0x0001  /* 1=Jabber Function disabled */
#define MII_AT001_PSCR_POLARITY_REVERSAL        0x0002  /* 1=Polarity Reversal enabled */
#define MII_AT001_PSCR_SQE_TEST                 0x0004  /* 1=SQE Test enabled */
#define MII_AT001_PSCR_MAC_POWERDOWN            0x0008
#define MII_AT001_PSCR_CLK125_DISABLE           0x0010  /* 1=CLK125 low,
                                                         * 0=CLK125 toggling
                                                         */
#define MII_AT001_PSCR_MDI_MANUAL_MODE          0x0000  /* MDI Crossover Mode bits 6:5 */
/* Manual MDI configuration */
#define MII_AT001_PSCR_MDIX_MANUAL_MODE         0x0020  /* Manual MDIX configuration */
#define MII_AT001_PSCR_AUTO_X_1000T             0x0040  /* 1000BASE-T: Auto crossover,
                                                         *  100BASE-TX/10BASE-T:
                                                         *  MDI Mode
                                                         */
#define MII_AT001_PSCR_AUTO_X_MODE              0x0060  /* Auto crossover enabled
                                                         * all speeds.
                                                         */
#define MII_AT001_PSCR_10BT_EXT_DIST_ENABLE     0x0080
/* 1=Enable Extended 10BASE-T distance
 * (Lower 10BASE-T RX Threshold)
 * 0=Normal 10BASE-T RX Threshold */
#define MII_AT001_PSCR_MII_5BIT_ENABLE          0x0100
/* 1=5-Bit interface in 100BASE-TX
 * 0=MII interface in 100BASE-TX */
#define MII_AT001_PSCR_SCRAMBLER_DISABLE        0x0200  /* 1=Scrambler disable */
#define MII_AT001_PSCR_FORCE_LINK_GOOD          0x0400  /* 1=Force link good */
#define MII_AT001_PSCR_ASSERT_CRS_ON_TX         0x0800  /* 1=Assert CRS on Transmit */
#define MII_AT001_PSCR_POLARITY_REVERSAL_SHIFT    1
#define MII_AT001_PSCR_AUTO_X_MODE_SHIFT          5
#define MII_AT001_PSCR_10BT_EXT_DIST_ENABLE_SHIFT 7
/* AT001 PHY Specific Status Register */
#define MII_AT001_PSSR_SPD_DPLX_RESOLVED        0x0800  /* 1=Speed & Duplex resolved */
#define MII_AT001_PSSR_DPLX                     0x2000  /* 1=Duplex 0=Half Duplex */
#define MII_AT001_PSSR_SPEED                    0xC000  /* Speed, bits 14:15 */
#define MII_AT001_PSSR_10MBS                    0x0000  /* 00=10Mbs */
#define MII_AT001_PSSR_100MBS                   0x4000  /* 01=100Mbs */
#define MII_AT001_PSSR_1000MBS                  0x8000  /* 10=1000Mbs */


#endif /* _ATL1_E_H_ */