u-boot-brain/drivers/net/mvgbe.h
Tom Rini 83d290c56f SPDX: Convert all of our single license tags to Linux Kernel style
When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from.  So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry.  Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.

In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.

This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents.  There's also a few places where I found we did not have a tag
and have introduced one.

Signed-off-by: Tom Rini <trini@konsulko.com>
2018-05-07 09:34:12 -04:00

498 lines
15 KiB
C

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2009
* Marvell Semiconductor <www.marvell.com>
* Written-by: Prafulla Wadaskar <prafulla@marvell.com>
*
* based on - Driver for MV64360X ethernet ports
* Copyright (C) 2002 rabeeh@galileo.co.il
*/
#ifndef __MVGBE_H__
#define __MVGBE_H__
/* PHY_BASE_ADR is board specific and can be configured */
#if defined (CONFIG_PHY_BASE_ADR)
#define PHY_BASE_ADR CONFIG_PHY_BASE_ADR
#else
#define PHY_BASE_ADR 0x08 /* default phy base addr */
#endif
/* Constants */
#define INT_CAUSE_UNMASK_ALL 0x0007ffff
#define INT_CAUSE_UNMASK_ALL_EXT 0x0011ffff
#define MRU_MASK 0xfff1ffff
#define PHYADR_MASK 0x0000001f
#define PHYREG_MASK 0x0000001f
#define QTKNBKT_DEF_VAL 0x3fffffff
#define QMTBS_DEF_VAL 0x000003ff
#define QTKNRT_DEF_VAL 0x0000fcff
#define RXUQ 0 /* Used Rx queue */
#define TXUQ 0 /* Used Rx queue */
#define to_mvgbe(_d) container_of(_d, struct mvgbe_device, dev)
#define MVGBE_REG_WR(adr, val) writel(val, &adr)
#define MVGBE_REG_RD(adr) readl(&adr)
#define MVGBE_REG_BITS_RESET(adr, val) writel(readl(&adr) & ~(val), &adr)
#define MVGBE_REG_BITS_SET(adr, val) writel(readl(&adr) | val, &adr)
/* Default port configuration value */
#define PRT_CFG_VAL ( \
MVGBE_UCAST_MOD_NRML | \
MVGBE_DFLT_RXQ(RXUQ) | \
MVGBE_DFLT_RX_ARPQ(RXUQ) | \
MVGBE_RX_BC_IF_NOT_IP_OR_ARP | \
MVGBE_RX_BC_IF_IP | \
MVGBE_RX_BC_IF_ARP | \
MVGBE_CPTR_TCP_FRMS_DIS | \
MVGBE_CPTR_UDP_FRMS_DIS | \
MVGBE_DFLT_RX_TCPQ(RXUQ) | \
MVGBE_DFLT_RX_UDPQ(RXUQ) | \
MVGBE_DFLT_RX_BPDUQ(RXUQ))
/* Default port extend configuration value */
#define PORT_CFG_EXTEND_VALUE \
MVGBE_SPAN_BPDU_PACKETS_AS_NORMAL | \
MVGBE_PARTITION_DIS | \
MVGBE_TX_CRC_GENERATION_EN
#define GT_MVGBE_IPG_INT_RX(value) ((value & 0x3fff) << 8)
/* Default sdma control value */
#define PORT_SDMA_CFG_VALUE ( \
MVGBE_RX_BURST_SIZE_16_64BIT | \
MVGBE_BLM_RX_NO_SWAP | \
MVGBE_BLM_TX_NO_SWAP | \
GT_MVGBE_IPG_INT_RX(RXUQ) | \
MVGBE_TX_BURST_SIZE_16_64BIT)
/* Default port serial control value */
#ifndef PORT_SERIAL_CONTROL_VALUE
#define PORT_SERIAL_CONTROL_VALUE ( \
MVGBE_FORCE_LINK_PASS | \
MVGBE_DIS_AUTO_NEG_FOR_DUPLX | \
MVGBE_DIS_AUTO_NEG_FOR_FLOW_CTRL | \
MVGBE_ADV_NO_FLOW_CTRL | \
MVGBE_FORCE_FC_MODE_NO_PAUSE_DIS_TX | \
MVGBE_FORCE_BP_MODE_NO_JAM | \
(1 << 9) /* Reserved bit has to be 1 */ | \
MVGBE_DO_NOT_FORCE_LINK_FAIL | \
MVGBE_EN_AUTO_NEG_SPEED_GMII | \
MVGBE_DTE_ADV_0 | \
MVGBE_MIIPHY_MAC_MODE | \
MVGBE_AUTO_NEG_NO_CHANGE | \
MVGBE_MAX_RX_PACKET_1552BYTE | \
MVGBE_CLR_EXT_LOOPBACK | \
MVGBE_SET_FULL_DUPLEX_MODE | \
MVGBE_DIS_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX)
#endif
/* Tx WRR confoguration macros */
#define PORT_MAX_TRAN_UNIT 0x24 /* MTU register (default) 9KByte */
#define PORT_MAX_TOKEN_BUCKET_SIZE 0x_FFFF /* PMTBS reg (default) */
#define PORT_TOKEN_RATE 1023 /* PTTBRC reg (default) */
/* MAC accepet/reject macros */
#define ACCEPT_MAC_ADDR 0
#define REJECT_MAC_ADDR 1
/* Size of a Tx/Rx descriptor used in chain list data structure */
#define MV_RXQ_DESC_ALIGNED_SIZE \
(((sizeof(struct mvgbe_rxdesc) / PKTALIGN) + 1) * PKTALIGN)
/* Buffer offset from buffer pointer */
#define RX_BUF_OFFSET 0x2
/* Port serial status reg (PSR) */
#define MVGBE_INTERFACE_GMII_MII 0
#define MVGBE_INTERFACE_PCM 1
#define MVGBE_LINK_IS_DOWN 0
#define MVGBE_LINK_IS_UP (1 << 1)
#define MVGBE_PORT_AT_HALF_DUPLEX 0
#define MVGBE_PORT_AT_FULL_DUPLEX (1 << 2)
#define MVGBE_RX_FLOW_CTRL_DISD 0
#define MVGBE_RX_FLOW_CTRL_ENBALED (1 << 3)
#define MVGBE_GMII_SPEED_100_10 0
#define MVGBE_GMII_SPEED_1000 (1 << 4)
#define MVGBE_MII_SPEED_10 0
#define MVGBE_MII_SPEED_100 (1 << 5)
#define MVGBE_NO_TX 0
#define MVGBE_TX_IN_PROGRESS (1 << 7)
#define MVGBE_BYPASS_NO_ACTIVE 0
#define MVGBE_BYPASS_ACTIVE (1 << 8)
#define MVGBE_PORT_NOT_AT_PARTN_STT 0
#define MVGBE_PORT_AT_PARTN_STT (1 << 9)
#define MVGBE_PORT_TX_FIFO_NOT_EMPTY 0
#define MVGBE_PORT_TX_FIFO_EMPTY (1 << 10)
/* These macros describes the Port configuration reg (Px_cR) bits */
#define MVGBE_UCAST_MOD_NRML 0
#define MVGBE_UNICAST_PROMISCUOUS_MODE 1
#define MVGBE_DFLT_RXQ(_x) (_x << 1)
#define MVGBE_DFLT_RX_ARPQ(_x) (_x << 4)
#define MVGBE_RX_BC_IF_NOT_IP_OR_ARP 0
#define MVGBE_REJECT_BC_IF_NOT_IP_OR_ARP (1 << 7)
#define MVGBE_RX_BC_IF_IP 0
#define MVGBE_REJECT_BC_IF_IP (1 << 8)
#define MVGBE_RX_BC_IF_ARP 0
#define MVGBE_REJECT_BC_IF_ARP (1 << 9)
#define MVGBE_TX_AM_NO_UPDATE_ERR_SMRY (1 << 12)
#define MVGBE_CPTR_TCP_FRMS_DIS 0
#define MVGBE_CPTR_TCP_FRMS_EN (1 << 14)
#define MVGBE_CPTR_UDP_FRMS_DIS 0
#define MVGBE_CPTR_UDP_FRMS_EN (1 << 15)
#define MVGBE_DFLT_RX_TCPQ(_x) (_x << 16)
#define MVGBE_DFLT_RX_UDPQ(_x) (_x << 19)
#define MVGBE_DFLT_RX_BPDUQ(_x) (_x << 22)
#define MVGBE_DFLT_RX_TCP_CHKSUM_MODE (1 << 25)
/* These macros describes the Port configuration extend reg (Px_cXR) bits*/
#define MVGBE_CLASSIFY_EN 1
#define MVGBE_SPAN_BPDU_PACKETS_AS_NORMAL 0
#define MVGBE_SPAN_BPDU_PACKETS_TO_RX_Q7 (1 << 1)
#define MVGBE_PARTITION_DIS 0
#define MVGBE_PARTITION_EN (1 << 2)
#define MVGBE_TX_CRC_GENERATION_EN 0
#define MVGBE_TX_CRC_GENERATION_DIS (1 << 3)
/* These macros describes the Port Sdma configuration reg (SDCR) bits */
#define MVGBE_RIFB 1
#define MVGBE_RX_BURST_SIZE_1_64BIT 0
#define MVGBE_RX_BURST_SIZE_2_64BIT (1 << 1)
#define MVGBE_RX_BURST_SIZE_4_64BIT (1 << 2)
#define MVGBE_RX_BURST_SIZE_8_64BIT ((1 << 2) | (1 << 1))
#define MVGBE_RX_BURST_SIZE_16_64BIT (1 << 3)
#define MVGBE_BLM_RX_NO_SWAP (1 << 4)
#define MVGBE_BLM_RX_BYTE_SWAP 0
#define MVGBE_BLM_TX_NO_SWAP (1 << 5)
#define MVGBE_BLM_TX_BYTE_SWAP 0
#define MVGBE_DESCRIPTORS_BYTE_SWAP (1 << 6)
#define MVGBE_DESCRIPTORS_NO_SWAP 0
#define MVGBE_TX_BURST_SIZE_1_64BIT 0
#define MVGBE_TX_BURST_SIZE_2_64BIT (1 << 22)
#define MVGBE_TX_BURST_SIZE_4_64BIT (1 << 23)
#define MVGBE_TX_BURST_SIZE_8_64BIT ((1 << 23) | (1 << 22))
#define MVGBE_TX_BURST_SIZE_16_64BIT (1 << 24)
/* These macros describes the Port serial control reg (PSCR) bits */
#define MVGBE_SERIAL_PORT_DIS 0
#define MVGBE_SERIAL_PORT_EN 1
#define MVGBE_FORCE_LINK_PASS (1 << 1)
#define MVGBE_DO_NOT_FORCE_LINK_PASS 0
#define MVGBE_EN_AUTO_NEG_FOR_DUPLX 0
#define MVGBE_DIS_AUTO_NEG_FOR_DUPLX (1 << 2)
#define MVGBE_EN_AUTO_NEG_FOR_FLOW_CTRL 0
#define MVGBE_DIS_AUTO_NEG_FOR_FLOW_CTRL (1 << 3)
#define MVGBE_ADV_NO_FLOW_CTRL 0
#define MVGBE_ADV_SYMMETRIC_FLOW_CTRL (1 << 4)
#define MVGBE_FORCE_FC_MODE_NO_PAUSE_DIS_TX 0
#define MVGBE_FORCE_FC_MODE_TX_PAUSE_DIS (1 << 5)
#define MVGBE_FORCE_BP_MODE_NO_JAM 0
#define MVGBE_FORCE_BP_MODE_JAM_TX (1 << 7)
#define MVGBE_FORCE_BP_MODE_JAM_TX_ON_RX_ERR (1 << 8)
#define MVGBE_FORCE_LINK_FAIL 0
#define MVGBE_DO_NOT_FORCE_LINK_FAIL (1 << 10)
#define MVGBE_DIS_AUTO_NEG_SPEED_GMII (1 << 13)
#define MVGBE_EN_AUTO_NEG_SPEED_GMII 0
#define MVGBE_DTE_ADV_0 0
#define MVGBE_DTE_ADV_1 (1 << 14)
#define MVGBE_MIIPHY_MAC_MODE 0
#define MVGBE_MIIPHY_PHY_MODE (1 << 15)
#define MVGBE_AUTO_NEG_NO_CHANGE 0
#define MVGBE_RESTART_AUTO_NEG (1 << 16)
#define MVGBE_MAX_RX_PACKET_1518BYTE 0
#define MVGBE_MAX_RX_PACKET_1522BYTE (1 << 17)
#define MVGBE_MAX_RX_PACKET_1552BYTE (1 << 18)
#define MVGBE_MAX_RX_PACKET_9022BYTE ((1 << 18) | (1 << 17))
#define MVGBE_MAX_RX_PACKET_9192BYTE (1 << 19)
#define MVGBE_MAX_RX_PACKET_9700BYTE ((1 << 19) | (1 << 17))
#define MVGBE_SET_EXT_LOOPBACK (1 << 20)
#define MVGBE_CLR_EXT_LOOPBACK 0
#define MVGBE_SET_FULL_DUPLEX_MODE (1 << 21)
#define MVGBE_SET_HALF_DUPLEX_MODE 0
#define MVGBE_EN_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX (1 << 22)
#define MVGBE_DIS_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX 0
#define MVGBE_SET_GMII_SPEED_TO_10_100 0
#define MVGBE_SET_GMII_SPEED_TO_1000 (1 << 23)
#define MVGBE_SET_MII_SPEED_TO_10 0
#define MVGBE_SET_MII_SPEED_TO_100 (1 << 24)
/* SMI register fields */
#define MVGBE_PHY_SMI_TIMEOUT 10000
#define MVGBE_PHY_SMI_DATA_OFFS 0 /* Data */
#define MVGBE_PHY_SMI_DATA_MASK (0xffff << MVGBE_PHY_SMI_DATA_OFFS)
#define MVGBE_PHY_SMI_DEV_ADDR_OFFS 16 /* PHY device address */
#define MVGBE_PHY_SMI_DEV_ADDR_MASK \
(PHYADR_MASK << MVGBE_PHY_SMI_DEV_ADDR_OFFS)
#define MVGBE_SMI_REG_ADDR_OFFS 21 /* PHY device reg addr */
#define MVGBE_SMI_REG_ADDR_MASK \
(PHYADR_MASK << MVGBE_SMI_REG_ADDR_OFFS)
#define MVGBE_PHY_SMI_OPCODE_OFFS 26 /* Write/Read opcode */
#define MVGBE_PHY_SMI_OPCODE_MASK (3 << MVGBE_PHY_SMI_OPCODE_OFFS)
#define MVGBE_PHY_SMI_OPCODE_WRITE (0 << MVGBE_PHY_SMI_OPCODE_OFFS)
#define MVGBE_PHY_SMI_OPCODE_READ (1 << MVGBE_PHY_SMI_OPCODE_OFFS)
#define MVGBE_PHY_SMI_READ_VALID_MASK (1 << 27) /* Read Valid */
#define MVGBE_PHY_SMI_BUSY_MASK (1 << 28) /* Busy */
/* SDMA command status fields macros */
/* Tx & Rx descriptors status */
#define MVGBE_ERROR_SUMMARY 1
/* Tx & Rx descriptors command */
#define MVGBE_BUFFER_OWNED_BY_DMA (1 << 31)
/* Tx descriptors status */
#define MVGBE_LC_ERROR 0
#define MVGBE_UR_ERROR (1 << 1)
#define MVGBE_RL_ERROR (1 << 2)
#define MVGBE_LLC_SNAP_FORMAT (1 << 9)
#define MVGBE_TX_LAST_FRAME (1 << 20)
/* Rx descriptors status */
#define MVGBE_CRC_ERROR 0
#define MVGBE_OVERRUN_ERROR (1 << 1)
#define MVGBE_MAX_FRAME_LENGTH_ERROR (1 << 2)
#define MVGBE_RESOURCE_ERROR ((1 << 2) | (1 << 1))
#define MVGBE_VLAN_TAGGED (1 << 19)
#define MVGBE_BPDU_FRAME (1 << 20)
#define MVGBE_TCP_FRAME_OVER_IP_V_4 0
#define MVGBE_UDP_FRAME_OVER_IP_V_4 (1 << 21)
#define MVGBE_OTHER_FRAME_TYPE (1 << 22)
#define MVGBE_LAYER_2_IS_MVGBE_V_2 (1 << 23)
#define MVGBE_FRAME_TYPE_IP_V_4 (1 << 24)
#define MVGBE_FRAME_HEADER_OK (1 << 25)
#define MVGBE_RX_LAST_DESC (1 << 26)
#define MVGBE_RX_FIRST_DESC (1 << 27)
#define MVGBE_UNKNOWN_DESTINATION_ADDR (1 << 28)
#define MVGBE_RX_EN_INTERRUPT (1 << 29)
#define MVGBE_LAYER_4_CHECKSUM_OK (1 << 30)
/* Rx descriptors byte count */
#define MVGBE_FRAME_FRAGMENTED (1 << 2)
/* Tx descriptors command */
#define MVGBE_LAYER_4_CHECKSUM_FIRST_DESC (1 << 10)
#define MVGBE_FRAME_SET_TO_VLAN (1 << 15)
#define MVGBE_TCP_FRAME 0
#define MVGBE_UDP_FRAME (1 << 16)
#define MVGBE_GEN_TCP_UDP_CHECKSUM (1 << 17)
#define MVGBE_GEN_IP_V_4_CHECKSUM (1 << 18)
#define MVGBE_ZERO_PADDING (1 << 19)
#define MVGBE_TX_LAST_DESC (1 << 20)
#define MVGBE_TX_FIRST_DESC (1 << 21)
#define MVGBE_GEN_CRC (1 << 22)
#define MVGBE_TX_EN_INTERRUPT (1 << 23)
#define MVGBE_AUTO_MODE (1 << 30)
/* Address decode parameters */
/* Ethernet Base Address Register bits */
#define EBAR_TARGET_DRAM 0x00000000
#define EBAR_TARGET_DEVICE 0x00000001
#define EBAR_TARGET_CBS 0x00000002
#define EBAR_TARGET_PCI0 0x00000003
#define EBAR_TARGET_PCI1 0x00000004
#define EBAR_TARGET_CUNIT 0x00000005
#define EBAR_TARGET_AUNIT 0x00000006
#define EBAR_TARGET_GUNIT 0x00000007
/* Window attrib */
#if defined(CONFIG_DOVE)
#define EBAR_DRAM_CS0 0x00000000
#define EBAR_DRAM_CS1 0x00000000
#define EBAR_DRAM_CS2 0x00000000
#define EBAR_DRAM_CS3 0x00000000
#else
#define EBAR_DRAM_CS0 0x00000E00
#define EBAR_DRAM_CS1 0x00000D00
#define EBAR_DRAM_CS2 0x00000B00
#define EBAR_DRAM_CS3 0x00000700
#endif
/* DRAM Target interface */
#define EBAR_DRAM_NO_CACHE_COHERENCY 0x00000000
#define EBAR_DRAM_CACHE_COHERENCY_WT 0x00001000
#define EBAR_DRAM_CACHE_COHERENCY_WB 0x00002000
/* Device Bus Target interface */
#define EBAR_DEVICE_DEVCS0 0x00001E00
#define EBAR_DEVICE_DEVCS1 0x00001D00
#define EBAR_DEVICE_DEVCS2 0x00001B00
#define EBAR_DEVICE_DEVCS3 0x00001700
#define EBAR_DEVICE_BOOTCS3 0x00000F00
/* PCI Target interface */
#define EBAR_PCI_BYTE_SWAP 0x00000000
#define EBAR_PCI_NO_SWAP 0x00000100
#define EBAR_PCI_BYTE_WORD_SWAP 0x00000200
#define EBAR_PCI_WORD_SWAP 0x00000300
#define EBAR_PCI_NO_SNOOP_NOT_ASSERT 0x00000000
#define EBAR_PCI_NO_SNOOP_ASSERT 0x00000400
#define EBAR_PCI_IO_SPACE 0x00000000
#define EBAR_PCI_MEMORY_SPACE 0x00000800
#define EBAR_PCI_REQ64_FORCE 0x00000000
#define EBAR_PCI_REQ64_SIZE 0x00001000
/* Window access control */
#define EWIN_ACCESS_NOT_ALLOWED 0
#define EWIN_ACCESS_READ_ONLY 1
#define EWIN_ACCESS_FULL ((1 << 1) | 1)
/* structures represents Controller registers */
struct mvgbe_barsz {
u32 bar;
u32 size;
};
struct mvgbe_rxcdp {
struct mvgbe_rxdesc *rxcdp;
u32 rxcdp_pad[3];
};
struct mvgbe_tqx {
u32 qxttbc;
u32 tqxtbc;
u32 tqxac;
u32 tqxpad;
};
struct mvgbe_registers {
u32 phyadr;
u32 smi;
u32 euda;
u32 eudid;
u8 pad1[0x080 - 0x00c - 4];
u32 euic;
u32 euim;
u8 pad2[0x094 - 0x084 - 4];
u32 euea;
u32 euiae;
u8 pad3[0x0b0 - 0x098 - 4];
u32 euc;
u8 pad3a[0x200 - 0x0b0 - 4];
struct mvgbe_barsz barsz[6];
u8 pad4[0x280 - 0x22c - 4];
u32 ha_remap[4];
u32 bare;
u32 epap;
u8 pad5[0x400 - 0x294 - 4];
u32 pxc;
u32 pxcx;
u32 mii_ser_params;
u8 pad6[0x410 - 0x408 - 4];
u32 evlane;
u32 macal;
u32 macah;
u32 sdc;
u32 dscp[7];
u32 psc0;
u32 vpt2p;
u32 ps0;
u32 tqc;
u32 psc1;
u32 ps1;
u32 mrvl_header;
u8 pad7[0x460 - 0x454 - 4];
u32 ic;
u32 ice;
u32 pim;
u32 peim;
u8 pad8[0x474 - 0x46c - 4];
u32 pxtfut;
u32 pad9;
u32 pxmfs;
u32 pad10;
u32 pxdfc;
u32 pxofc;
u8 pad11[0x494 - 0x488 - 4];
u32 peuiae;
u8 pad12[0x4bc - 0x494 - 4];
u32 eth_type_prio;
u8 pad13[0x4dc - 0x4bc - 4];
u32 tqfpc;
u32 pttbrc;
u32 tqc1;
u32 pmtu;
u32 pmtbs;
u8 pad14[0x60c - 0x4ec - 4];
struct mvgbe_rxcdp rxcdp[7];
struct mvgbe_rxdesc *rxcdp7;
u32 rqc;
struct mvgbe_txdesc *tcsdp;
u8 pad15[0x6c0 - 0x684 - 4];
struct mvgbe_txdesc *tcqdp[8];
u8 pad16[0x700 - 0x6dc - 4];
struct mvgbe_tqx tqx[8];
u32 pttbc;
u8 pad17[0x7a8 - 0x780 - 4];
u32 tqxipg0;
u32 pad18[3];
u32 tqxipg1;
u8 pad19[0x7c0 - 0x7b8 - 4];
u32 hitkninlopkt;
u32 hitkninasyncpkt;
u32 lotkninasyncpkt;
u32 pad20;
u32 ts;
u8 pad21[0x3000 - 0x27d0 - 4];
u32 pad20_1[32]; /* mib counter registes */
u8 pad22[0x3400 - 0x3000 - sizeof(u32) * 32];
u32 dfsmt[64];
u32 dfomt[64];
u32 dfut[4];
u8 pad23[0xe20c0 - 0x7360c - 4];
u32 pmbus_top_arbiter;
};
/* structures/enums needed by driver */
enum mvgbe_adrwin {
MVGBE_WIN0,
MVGBE_WIN1,
MVGBE_WIN2,
MVGBE_WIN3,
MVGBE_WIN4,
MVGBE_WIN5
};
enum mvgbe_target {
MVGBE_TARGET_DRAM,
MVGBE_TARGET_DEV,
MVGBE_TARGET_CBS,
MVGBE_TARGET_PCI0,
MVGBE_TARGET_PCI1
};
struct mvgbe_winparam {
enum mvgbe_adrwin win; /* Window number */
enum mvgbe_target target; /* System targets */
u16 attrib; /* BAR attrib. See above macros */
u32 base_addr; /* Window base address in u32 form */
u32 high_addr; /* Window high address in u32 form */
u32 size; /* Size in MBytes. Must be % 64Kbyte. */
int enable; /* Enable/disable access to the window. */
u16 access_ctrl; /*Access ctrl register. see above macros */
};
struct mvgbe_rxdesc {
u32 cmd_sts; /* Descriptor command status */
u16 buf_size; /* Buffer size */
u16 byte_cnt; /* Descriptor buffer byte count */
u8 *buf_ptr; /* Descriptor buffer pointer */
struct mvgbe_rxdesc *nxtdesc_p; /* Next descriptor pointer */
};
struct mvgbe_txdesc {
u32 cmd_sts; /* Descriptor command status */
u16 l4i_chk; /* CPU provided TCP Checksum */
u16 byte_cnt; /* Descriptor buffer byte count */
u8 *buf_ptr; /* Descriptor buffer ptr */
struct mvgbe_txdesc *nxtdesc_p; /* Next descriptor ptr */
};
/* port device data struct */
struct mvgbe_device {
struct eth_device dev;
struct mvgbe_registers *regs;
struct mvgbe_txdesc *p_txdesc;
struct mvgbe_rxdesc *p_rxdesc;
struct mvgbe_rxdesc *p_rxdesc_curr;
u8 *p_rxbuf;
u8 *p_aligned_txbuf;
};
#endif /* __MVGBE_H__ */