--- /dev/null
+/*
+ * (C) Copyright 2003
+ * Ingo Assmus <ingo.assmus@keymile.com>
+ *
+ * based on - Driver for MV64460X ethernet ports
+ * Copyright (C) 2002 rabeeh@galileo.co.il
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/*
+ * mv_eth.h - header file for the polled mode GT ethernet driver
+ */
+
+#ifndef __DB64460_ETH_H__
+#define __DB64460_ETH_H__
+
+#include <asm/types.h>
+#include <asm/io.h>
+#include <asm/byteorder.h>
+#include <common.h>
+#include <net.h>
+#include "mv_regs.h"
+#include <asm/errno.h>
+
+
+/*************************************************************************
+**************************************************************************
+**************************************************************************
+* The first part is the high level driver of the gigE ethernet ports. *
+**************************************************************************
+**************************************************************************
+*************************************************************************/
+/* In case not using SG on Tx, define MAX_SKB_FRAGS as 0 */
+#ifndef MAX_SKB_FRAGS
+#define MAX_SKB_FRAGS 0
+#endif
+
+/* Port attributes */
+/*#define MAX_RX_QUEUE_NUM 8*/
+/*#define MAX_TX_QUEUE_NUM 8*/
+#define MAX_RX_QUEUE_NUM 1
+#define MAX_TX_QUEUE_NUM 1
+
+
+/* Use one TX queue and one RX queue */
+#define MV64460_TX_QUEUE_NUM 1
+#define MV64460_RX_QUEUE_NUM 1
+
+/*
+ * Number of RX / TX descriptors on RX / TX rings.
+ * Note that allocating RX descriptors is done by allocating the RX
+ * ring AND a preallocated RX buffers (skb's) for each descriptor.
+ * The TX descriptors only allocates the TX descriptors ring,
+ * with no pre allocated TX buffers (skb's are allocated by higher layers.
+ */
+
+/* Default TX ring size is 10 descriptors */
+#ifdef CONFIG_MV64460_ETH_TXQUEUE_SIZE
+#define MV64460_TX_QUEUE_SIZE CONFIG_MV64460_ETH_TXQUEUE_SIZE
+#else
+#define MV64460_TX_QUEUE_SIZE 4
+#endif
+
+/* Default RX ring size is 4 descriptors */
+#ifdef CONFIG_MV64460_ETH_RXQUEUE_SIZE
+#define MV64460_RX_QUEUE_SIZE CONFIG_MV64460_ETH_RXQUEUE_SIZE
+#else
+#define MV64460_RX_QUEUE_SIZE 4
+#endif
+
+#ifdef CONFIG_RX_BUFFER_SIZE
+#define MV64460_RX_BUFFER_SIZE CONFIG_RX_BUFFER_SIZE
+#else
+#define MV64460_RX_BUFFER_SIZE 1600
+#endif
+
+#ifdef CONFIG_TX_BUFFER_SIZE
+#define MV64460_TX_BUFFER_SIZE CONFIG_TX_BUFFER_SIZE
+#else
+#define MV64460_TX_BUFFER_SIZE 1600
+#endif
+
+/*
+ * Network device statistics. Akin to the 2.0 ether stats but
+ * with byte counters.
+ */
+
+struct net_device_stats
+{
+ unsigned long rx_packets; /* total packets received */
+ unsigned long tx_packets; /* total packets transmitted */
+ unsigned long rx_bytes; /* total bytes received */
+ unsigned long tx_bytes; /* total bytes transmitted */
+ unsigned long rx_errors; /* bad packets received */
+ unsigned long tx_errors; /* packet transmit problems */
+ unsigned long rx_dropped; /* no space in linux buffers */
+ unsigned long tx_dropped; /* no space available in linux */
+ unsigned long multicast; /* multicast packets received */
+ unsigned long collisions;
+
+ /* detailed rx_errors: */
+ unsigned long rx_length_errors;
+ unsigned long rx_over_errors; /* receiver ring buff overflow */
+ unsigned long rx_crc_errors; /* recved pkt with crc error */
+ unsigned long rx_frame_errors; /* recv'd frame alignment error */
+ unsigned long rx_fifo_errors; /* recv'r fifo overrun */
+ unsigned long rx_missed_errors; /* receiver missed packet */
+
+ /* detailed tx_errors */
+ unsigned long tx_aborted_errors;
+ unsigned long tx_carrier_errors;
+ unsigned long tx_fifo_errors;
+ unsigned long tx_heartbeat_errors;
+ unsigned long tx_window_errors;
+
+ /* for cslip etc */
+ unsigned long rx_compressed;
+ unsigned long tx_compressed;
+};
+
+
+/* Private data structure used for ethernet device */
+struct mv64460_eth_priv {
+ unsigned int port_num;
+ struct net_device_stats *stats;
+
+/* to buffer area aligned */
+ char * p_eth_tx_buffer[MV64460_TX_QUEUE_SIZE+1]; /*pointers to alligned tx buffs in memory space */
+ char * p_eth_rx_buffer[MV64460_RX_QUEUE_SIZE+1]; /*pointers to allinged rx buffs in memory space */
+
+ /* Size of Tx Ring per queue */
+ unsigned int tx_ring_size [MAX_TX_QUEUE_NUM];
+
+
+ /* Size of Rx Ring per queue */
+ unsigned int rx_ring_size [MAX_RX_QUEUE_NUM];
+
+ /* Magic Number for Ethernet running */
+ unsigned int eth_running;
+
+};
+
+int mv64460_eth_init (struct eth_device *dev);
+int mv64460_eth_stop (struct eth_device *dev);
+int mv64460_eth_start_xmit(struct eth_device *dev, void *packet, int length);
+int mv64460_eth_open (struct eth_device *dev);
+
+
+/*************************************************************************
+**************************************************************************
+**************************************************************************
+* The second part is the low level driver of the gigE ethernet ports. *
+**************************************************************************
+**************************************************************************
+*************************************************************************/
+
+
+/********************************************************************************
+ * Header File for : MV-643xx network interface header
+ *
+ * DESCRIPTION:
+ * This header file contains macros typedefs and function declaration for
+ * the Marvell Gig Bit Ethernet Controller.
+ *
+ * DEPENDENCIES:
+ * None.
+ *
+ *******************************************************************************/
+
+
+#ifdef CONFIG_SPECIAL_CONSISTENT_MEMORY
+#ifdef CONFIG_MV64460_SRAM_CACHEABLE
+/* In case SRAM is cacheable but not cache coherent */
+#define D_CACHE_FLUSH_LINE(addr, offset) \
+{ \
+ __asm__ __volatile__ ("dcbf %0,%1" : : "r" (addr), "r" (offset)); \
+}
+#else
+/* In case SRAM is cache coherent or non-cacheable */
+#define D_CACHE_FLUSH_LINE(addr, offset) ;
+#endif
+#else
+#ifdef CONFIG_NOT_COHERENT_CACHE
+/* In case of descriptors on DDR but not cache coherent */
+#define D_CACHE_FLUSH_LINE(addr, offset) \
+{ \
+ __asm__ __volatile__ ("dcbf %0,%1" : : "r" (addr), "r" (offset)); \
+}
+#else
+/* In case of descriptors on DDR and cache coherent */
+#define D_CACHE_FLUSH_LINE(addr, offset) ;
+#endif /* CONFIG_NOT_COHERENT_CACHE */
+#endif /* CONFIG_SPECIAL_CONSISTENT_MEMORY */
+
+
+#define CPU_PIPE_FLUSH \
+{ \
+ __asm__ __volatile__ ("eieio"); \
+}
+
+
+/* defines */
+
+/* Default port configuration value */
+#define PORT_CONFIG_VALUE \
+ ETH_UNICAST_NORMAL_MODE | \
+ ETH_DEFAULT_RX_QUEUE_0 | \
+ ETH_DEFAULT_RX_ARP_QUEUE_0 | \
+ ETH_RECEIVE_BC_IF_NOT_IP_OR_ARP | \
+ ETH_RECEIVE_BC_IF_IP | \
+ ETH_RECEIVE_BC_IF_ARP | \
+ ETH_CAPTURE_TCP_FRAMES_DIS | \
+ ETH_CAPTURE_UDP_FRAMES_DIS | \
+ ETH_DEFAULT_RX_TCP_QUEUE_0 | \
+ ETH_DEFAULT_RX_UDP_QUEUE_0 | \
+ ETH_DEFAULT_RX_BPDU_QUEUE_0
+
+/* Default port extend configuration value */
+#define PORT_CONFIG_EXTEND_VALUE \
+ ETH_SPAN_BPDU_PACKETS_AS_NORMAL | \
+ ETH_PARTITION_DISABLE
+
+
+/* Default sdma control value */
+#ifdef CONFIG_NOT_COHERENT_CACHE
+#define PORT_SDMA_CONFIG_VALUE \
+ ETH_RX_BURST_SIZE_16_64BIT | \
+ GT_ETH_IPG_INT_RX(0) | \
+ ETH_TX_BURST_SIZE_16_64BIT;
+#else
+#define PORT_SDMA_CONFIG_VALUE \
+ ETH_RX_BURST_SIZE_4_64BIT | \
+ GT_ETH_IPG_INT_RX(0) | \
+ ETH_TX_BURST_SIZE_4_64BIT;
+#endif
+
+#define GT_ETH_IPG_INT_RX(value) \
+ ((value & 0x3fff) << 8)
+
+/* Default port serial control value */
+#define PORT_SERIAL_CONTROL_VALUE \
+ ETH_FORCE_LINK_PASS | \
+ ETH_ENABLE_AUTO_NEG_FOR_DUPLX | \
+ ETH_DISABLE_AUTO_NEG_FOR_FLOW_CTRL | \
+ ETH_ADV_SYMMETRIC_FLOW_CTRL | \
+ ETH_FORCE_FC_MODE_NO_PAUSE_DIS_TX | \
+ ETH_FORCE_BP_MODE_NO_JAM | \
+ BIT9 | \
+ ETH_DO_NOT_FORCE_LINK_FAIL | \
+ ETH_RETRANSMIT_16_ETTEMPTS | \
+ ETH_ENABLE_AUTO_NEG_SPEED_GMII | \
+ ETH_DTE_ADV_0 | \
+ ETH_DISABLE_AUTO_NEG_BYPASS | \
+ ETH_AUTO_NEG_NO_CHANGE | \
+ ETH_MAX_RX_PACKET_1552BYTE | \
+ ETH_CLR_EXT_LOOPBACK | \
+ ETH_SET_FULL_DUPLEX_MODE | \
+ ETH_ENABLE_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX;
+
+#define RX_BUFFER_MAX_SIZE 0xFFFF
+#define TX_BUFFER_MAX_SIZE 0xFFFF /* Buffer are limited to 64k */
+
+#define RX_BUFFER_MIN_SIZE 0x8
+#define TX_BUFFER_MIN_SIZE 0x8
+
+/* Tx WRR confoguration macros */
+#define PORT_MAX_TRAN_UNIT 0x24 /* MTU register (default) 9KByte */
+#define PORT_MAX_TOKEN_BUCKET_SIZE 0x_fFFF /* PMTBS register (default) */
+#define PORT_TOKEN_RATE 1023 /* PTTBRC register (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 RX_DESC_ALIGNED_SIZE 0x20
+#define TX_DESC_ALIGNED_SIZE 0x20
+
+/* An offest in Tx descriptors to store data for buffers less than 8 Bytes */
+#define TX_BUF_OFFSET_IN_DESC 0x18
+/* Buffer offset from buffer pointer */
+#define RX_BUF_OFFSET 0x2
+
+/* Gap define */
+#define ETH_BAR_GAP 0x8
+#define ETH_SIZE_REG_GAP 0x8
+#define ETH_HIGH_ADDR_REMAP_REG_GAP 0x4
+#define ETH_PORT_ACCESS_CTRL_GAP 0x4
+
+/* Gigabit Ethernet Unit Global Registers */
+
+/* MIB Counters register definitions */
+#define ETH_MIB_GOOD_OCTETS_RECEIVED_LOW 0x0
+#define ETH_MIB_GOOD_OCTETS_RECEIVED_HIGH 0x4
+#define ETH_MIB_BAD_OCTETS_RECEIVED 0x8
+#define ETH_MIB_INTERNAL_MAC_TRANSMIT_ERR 0xc
+#define ETH_MIB_GOOD_FRAMES_RECEIVED 0x10
+#define ETH_MIB_BAD_FRAMES_RECEIVED 0x14
+#define ETH_MIB_BROADCAST_FRAMES_RECEIVED 0x18
+#define ETH_MIB_MULTICAST_FRAMES_RECEIVED 0x1c
+#define ETH_MIB_FRAMES_64_OCTETS 0x20
+#define ETH_MIB_FRAMES_65_TO_127_OCTETS 0x24
+#define ETH_MIB_FRAMES_128_TO_255_OCTETS 0x28
+#define ETH_MIB_FRAMES_256_TO_511_OCTETS 0x2c
+#define ETH_MIB_FRAMES_512_TO_1023_OCTETS 0x30
+#define ETH_MIB_FRAMES_1024_TO_MAX_OCTETS 0x34
+#define ETH_MIB_GOOD_OCTETS_SENT_LOW 0x38
+#define ETH_MIB_GOOD_OCTETS_SENT_HIGH 0x3c
+#define ETH_MIB_GOOD_FRAMES_SENT 0x40
+#define ETH_MIB_EXCESSIVE_COLLISION 0x44
+#define ETH_MIB_MULTICAST_FRAMES_SENT 0x48
+#define ETH_MIB_BROADCAST_FRAMES_SENT 0x4c
+#define ETH_MIB_UNREC_MAC_CONTROL_RECEIVED 0x50
+#define ETH_MIB_FC_SENT 0x54
+#define ETH_MIB_GOOD_FC_RECEIVED 0x58
+#define ETH_MIB_BAD_FC_RECEIVED 0x5c
+#define ETH_MIB_UNDERSIZE_RECEIVED 0x60
+#define ETH_MIB_FRAGMENTS_RECEIVED 0x64
+#define ETH_MIB_OVERSIZE_RECEIVED 0x68
+#define ETH_MIB_JABBER_RECEIVED 0x6c
+#define ETH_MIB_MAC_RECEIVE_ERROR 0x70
+#define ETH_MIB_BAD_CRC_EVENT 0x74
+#define ETH_MIB_COLLISION 0x78
+#define ETH_MIB_LATE_COLLISION 0x7c
+
+/* Port serial status reg (PSR) */
+#define ETH_INTERFACE_GMII_MII 0
+#define ETH_INTERFACE_PCM BIT0
+#define ETH_LINK_IS_DOWN 0
+#define ETH_LINK_IS_UP BIT1
+#define ETH_PORT_AT_HALF_DUPLEX 0
+#define ETH_PORT_AT_FULL_DUPLEX BIT2
+#define ETH_RX_FLOW_CTRL_DISABLED 0
+#define ETH_RX_FLOW_CTRL_ENBALED BIT3
+#define ETH_GMII_SPEED_100_10 0
+#define ETH_GMII_SPEED_1000 BIT4
+#define ETH_MII_SPEED_10 0
+#define ETH_MII_SPEED_100 BIT5
+#define ETH_NO_TX 0
+#define ETH_TX_IN_PROGRESS BIT7
+#define ETH_BYPASS_NO_ACTIVE 0
+#define ETH_BYPASS_ACTIVE BIT8
+#define ETH_PORT_NOT_AT_PARTITION_STATE 0
+#define ETH_PORT_AT_PARTITION_STATE BIT9
+#define ETH_PORT_TX_FIFO_NOT_EMPTY 0
+#define ETH_PORT_TX_FIFO_EMPTY BIT10
+
+
+/* These macros describes the Port configuration reg (Px_cR) bits */
+#define ETH_UNICAST_NORMAL_MODE 0
+#define ETH_UNICAST_PROMISCUOUS_MODE BIT0
+#define ETH_DEFAULT_RX_QUEUE_0 0
+#define ETH_DEFAULT_RX_QUEUE_1 BIT1
+#define ETH_DEFAULT_RX_QUEUE_2 BIT2
+#define ETH_DEFAULT_RX_QUEUE_3 (BIT2 | BIT1)
+#define ETH_DEFAULT_RX_QUEUE_4 BIT3
+#define ETH_DEFAULT_RX_QUEUE_5 (BIT3 | BIT1)
+#define ETH_DEFAULT_RX_QUEUE_6 (BIT3 | BIT2)
+#define ETH_DEFAULT_RX_QUEUE_7 (BIT3 | BIT2 | BIT1)
+#define ETH_DEFAULT_RX_ARP_QUEUE_0 0
+#define ETH_DEFAULT_RX_ARP_QUEUE_1 BIT4
+#define ETH_DEFAULT_RX_ARP_QUEUE_2 BIT5
+#define ETH_DEFAULT_RX_ARP_QUEUE_3 (BIT5 | BIT4)
+#define ETH_DEFAULT_RX_ARP_QUEUE_4 BIT6
+#define ETH_DEFAULT_RX_ARP_QUEUE_5 (BIT6 | BIT4)
+#define ETH_DEFAULT_RX_ARP_QUEUE_6 (BIT6 | BIT5)
+#define ETH_DEFAULT_RX_ARP_QUEUE_7 (BIT6 | BIT5 | BIT4)
+#define ETH_RECEIVE_BC_IF_NOT_IP_OR_ARP 0
+#define ETH_REJECT_BC_IF_NOT_IP_OR_ARP BIT7
+#define ETH_RECEIVE_BC_IF_IP 0
+#define ETH_REJECT_BC_IF_IP BIT8
+#define ETH_RECEIVE_BC_IF_ARP 0
+#define ETH_REJECT_BC_IF_ARP BIT9
+#define ETH_TX_AM_NO_UPDATE_ERROR_SUMMARY BIT12
+#define ETH_CAPTURE_TCP_FRAMES_DIS 0
+#define ETH_CAPTURE_TCP_FRAMES_EN BIT14
+#define ETH_CAPTURE_UDP_FRAMES_DIS 0
+#define ETH_CAPTURE_UDP_FRAMES_EN BIT15
+#define ETH_DEFAULT_RX_TCP_QUEUE_0 0
+#define ETH_DEFAULT_RX_TCP_QUEUE_1 BIT16
+#define ETH_DEFAULT_RX_TCP_QUEUE_2 BIT17
+#define ETH_DEFAULT_RX_TCP_QUEUE_3 (BIT17 | BIT16)
+#define ETH_DEFAULT_RX_TCP_QUEUE_4 BIT18
+#define ETH_DEFAULT_RX_TCP_QUEUE_5 (BIT18 | BIT16)
+#define ETH_DEFAULT_RX_TCP_QUEUE_6 (BIT18 | BIT17)
+#define ETH_DEFAULT_RX_TCP_QUEUE_7 (BIT18 | BIT17 | BIT16)
+#define ETH_DEFAULT_RX_UDP_QUEUE_0 0
+#define ETH_DEFAULT_RX_UDP_QUEUE_1 BIT19
+#define ETH_DEFAULT_RX_UDP_QUEUE_2 BIT20
+#define ETH_DEFAULT_RX_UDP_QUEUE_3 (BIT20 | BIT19)
+#define ETH_DEFAULT_RX_UDP_QUEUE_4 (BIT21
+#define ETH_DEFAULT_RX_UDP_QUEUE_5 (BIT21 | BIT19)
+#define ETH_DEFAULT_RX_UDP_QUEUE_6 (BIT21 | BIT20)
+#define ETH_DEFAULT_RX_UDP_QUEUE_7 (BIT21 | BIT20 | BIT19)
+#define ETH_DEFAULT_RX_BPDU_QUEUE_0 0
+#define ETH_DEFAULT_RX_BPDU_QUEUE_1 BIT22
+#define ETH_DEFAULT_RX_BPDU_QUEUE_2 BIT23
+#define ETH_DEFAULT_RX_BPDU_QUEUE_3 (BIT23 | BIT22)
+#define ETH_DEFAULT_RX_BPDU_QUEUE_4 BIT24
+#define ETH_DEFAULT_RX_BPDU_QUEUE_5 (BIT24 | BIT22)
+#define ETH_DEFAULT_RX_BPDU_QUEUE_6 (BIT24 | BIT23)
+#define ETH_DEFAULT_RX_BPDU_QUEUE_7 (BIT24 | BIT23 | BIT22)
+
+
+/* These macros describes the Port configuration extend reg (Px_cXR) bits*/
+#define ETH_CLASSIFY_EN BIT0
+#define ETH_SPAN_BPDU_PACKETS_AS_NORMAL 0
+#define ETH_SPAN_BPDU_PACKETS_TO_RX_QUEUE_7 BIT1
+#define ETH_PARTITION_DISABLE 0
+#define ETH_PARTITION_ENABLE BIT2
+
+
+/* Tx/Rx queue command reg (RQCR/TQCR)*/
+#define ETH_QUEUE_0_ENABLE BIT0
+#define ETH_QUEUE_1_ENABLE BIT1
+#define ETH_QUEUE_2_ENABLE BIT2
+#define ETH_QUEUE_3_ENABLE BIT3
+#define ETH_QUEUE_4_ENABLE BIT4
+#define ETH_QUEUE_5_ENABLE BIT5
+#define ETH_QUEUE_6_ENABLE BIT6
+#define ETH_QUEUE_7_ENABLE BIT7
+#define ETH_QUEUE_0_DISABLE BIT8
+#define ETH_QUEUE_1_DISABLE BIT9
+#define ETH_QUEUE_2_DISABLE BIT10
+#define ETH_QUEUE_3_DISABLE BIT11
+#define ETH_QUEUE_4_DISABLE BIT12
+#define ETH_QUEUE_5_DISABLE BIT13
+#define ETH_QUEUE_6_DISABLE BIT14
+#define ETH_QUEUE_7_DISABLE BIT15
+
+/* These macros describes the Port Sdma configuration reg (SDCR) bits */
+#define ETH_RIFB BIT0
+#define ETH_RX_BURST_SIZE_1_64BIT 0
+#define ETH_RX_BURST_SIZE_2_64BIT BIT1
+#define ETH_RX_BURST_SIZE_4_64BIT BIT2
+#define ETH_RX_BURST_SIZE_8_64BIT (BIT2 | BIT1)
+#define ETH_RX_BURST_SIZE_16_64BIT BIT3
+#define ETH_BLM_RX_NO_SWAP BIT4
+#define ETH_BLM_RX_BYTE_SWAP 0
+#define ETH_BLM_TX_NO_SWAP BIT5
+#define ETH_BLM_TX_BYTE_SWAP 0
+#define ETH_DESCRIPTORS_BYTE_SWAP BIT6
+#define ETH_DESCRIPTORS_NO_SWAP 0
+#define ETH_TX_BURST_SIZE_1_64BIT 0
+#define ETH_TX_BURST_SIZE_2_64BIT BIT22
+#define ETH_TX_BURST_SIZE_4_64BIT BIT23
+#define ETH_TX_BURST_SIZE_8_64BIT (BIT23 | BIT22)
+#define ETH_TX_BURST_SIZE_16_64BIT BIT24
+
+/* These macros describes the Port serial control reg (PSCR) bits */
+#define ETH_SERIAL_PORT_DISABLE 0
+#define ETH_SERIAL_PORT_ENABLE BIT0
+#define ETH_FORCE_LINK_PASS BIT1
+#define ETH_DO_NOT_FORCE_LINK_PASS 0
+#define ETH_ENABLE_AUTO_NEG_FOR_DUPLX 0
+#define ETH_DISABLE_AUTO_NEG_FOR_DUPLX BIT2
+#define ETH_ENABLE_AUTO_NEG_FOR_FLOW_CTRL 0
+#define ETH_DISABLE_AUTO_NEG_FOR_FLOW_CTRL BIT3
+#define ETH_ADV_NO_FLOW_CTRL 0
+#define ETH_ADV_SYMMETRIC_FLOW_CTRL BIT4
+#define ETH_FORCE_FC_MODE_NO_PAUSE_DIS_TX 0
+#define ETH_FORCE_FC_MODE_TX_PAUSE_DIS BIT5
+#define ETH_FORCE_BP_MODE_NO_JAM 0
+#define ETH_FORCE_BP_MODE_JAM_TX BIT7
+#define ETH_FORCE_BP_MODE_JAM_TX_ON_RX_ERR BIT8
+#define ETH_FORCE_LINK_FAIL 0
+#define ETH_DO_NOT_FORCE_LINK_FAIL BIT10
+#define ETH_RETRANSMIT_16_ETTEMPTS 0
+#define ETH_RETRANSMIT_FOREVER BIT11
+#define ETH_DISABLE_AUTO_NEG_SPEED_GMII BIT13
+#define ETH_ENABLE_AUTO_NEG_SPEED_GMII 0
+#define ETH_DTE_ADV_0 0
+#define ETH_DTE_ADV_1 BIT14
+#define ETH_DISABLE_AUTO_NEG_BYPASS 0
+#define ETH_ENABLE_AUTO_NEG_BYPASS BIT15
+#define ETH_AUTO_NEG_NO_CHANGE 0
+#define ETH_RESTART_AUTO_NEG BIT16
+#define ETH_MAX_RX_PACKET_1518BYTE 0
+#define ETH_MAX_RX_PACKET_1522BYTE BIT17
+#define ETH_MAX_RX_PACKET_1552BYTE BIT18
+#define ETH_MAX_RX_PACKET_9022BYTE (BIT18 | BIT17)
+#define ETH_MAX_RX_PACKET_9192BYTE BIT19
+#define ETH_MAX_RX_PACKET_9700BYTE (BIT19 | BIT17)
+#define ETH_SET_EXT_LOOPBACK BIT20
+#define ETH_CLR_EXT_LOOPBACK 0
+#define ETH_SET_FULL_DUPLEX_MODE BIT21
+#define ETH_SET_HALF_DUPLEX_MODE 0
+#define ETH_ENABLE_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX BIT22
+#define ETH_DISABLE_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX 0
+#define ETH_SET_GMII_SPEED_TO_10_100 0
+#define ETH_SET_GMII_SPEED_TO_1000 BIT23
+#define ETH_SET_MII_SPEED_TO_10 0
+#define ETH_SET_MII_SPEED_TO_100 BIT24
+
+
+/* SMI reg */
+#define ETH_SMI_BUSY BIT28 /* 0 - Write, 1 - Read */
+#define ETH_SMI_READ_VALID BIT27 /* 0 - Write, 1 - Read */
+#define ETH_SMI_OPCODE_WRITE 0 /* Completion of Read operation */
+#define ETH_SMI_OPCODE_READ BIT26 /* Operation is in progress */
+
+/* SDMA command status fields macros */
+
+/* Tx & Rx descriptors status */
+#define ETH_ERROR_SUMMARY (BIT0)
+
+/* Tx & Rx descriptors command */
+#define ETH_BUFFER_OWNED_BY_DMA (BIT31)
+
+/* Tx descriptors status */
+#define ETH_LC_ERROR (0 )
+#define ETH_UR_ERROR (BIT1 )
+#define ETH_RL_ERROR (BIT2 )
+#define ETH_LLC_SNAP_FORMAT (BIT9 )
+
+/* Rx descriptors status */
+#define ETH_CRC_ERROR (0 )
+#define ETH_OVERRUN_ERROR (BIT1 )
+#define ETH_MAX_FRAME_LENGTH_ERROR (BIT2 )
+#define ETH_RESOURCE_ERROR ((BIT2 | BIT1))
+#define ETH_VLAN_TAGGED (BIT19)
+#define ETH_BPDU_FRAME (BIT20)
+#define ETH_TCP_FRAME_OVER_IP_V_4 (0 )
+#define ETH_UDP_FRAME_OVER_IP_V_4 (BIT21)
+#define ETH_OTHER_FRAME_TYPE (BIT22)
+#define ETH_LAYER_2_IS_ETH_V_2 (BIT23)
+#define ETH_FRAME_TYPE_IP_V_4 (BIT24)
+#define ETH_FRAME_HEADER_OK (BIT25)
+#define ETH_RX_LAST_DESC (BIT26)
+#define ETH_RX_FIRST_DESC (BIT27)
+#define ETH_UNKNOWN_DESTINATION_ADDR (BIT28)
+#define ETH_RX_ENABLE_INTERRUPT (BIT29)
+#define ETH_LAYER_4_CHECKSUM_OK (BIT30)
+
+/* Rx descriptors byte count */
+#define ETH_FRAME_FRAGMENTED (BIT2)
+
+/* Tx descriptors command */
+#define ETH_LAYER_4_CHECKSUM_FIRST_DESC (BIT10)
+#define ETH_FRAME_SET_TO_VLAN (BIT15)
+#define ETH_TCP_FRAME (0 )
+#define ETH_UDP_FRAME (BIT16)
+#define ETH_GEN_TCP_UDP_CHECKSUM (BIT17)
+#define ETH_GEN_IP_V_4_CHECKSUM (BIT18)
+#define ETH_ZERO_PADDING (BIT19)
+#define ETH_TX_LAST_DESC (BIT20)
+#define ETH_TX_FIRST_DESC (BIT21)
+#define ETH_GEN_CRC (BIT22)
+#define ETH_TX_ENABLE_INTERRUPT (BIT23)
+#define ETH_AUTO_MODE (BIT30)
+
+/* 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 attributes */
+#define EBAR_ATTR_DRAM_CS0 0x00000E00
+#define EBAR_ATTR_DRAM_CS1 0x00000D00
+#define EBAR_ATTR_DRAM_CS2 0x00000B00
+#define EBAR_ATTR_DRAM_CS3 0x00000700
+
+/* DRAM Target interface */
+#define EBAR_ATTR_DRAM_NO_CACHE_COHERENCY 0x00000000
+#define EBAR_ATTR_DRAM_CACHE_COHERENCY_WT 0x00001000
+#define EBAR_ATTR_DRAM_CACHE_COHERENCY_WB 0x00002000
+
+/* Device Bus Target interface */
+#define EBAR_ATTR_DEVICE_DEVCS0 0x00001E00
+#define EBAR_ATTR_DEVICE_DEVCS1 0x00001D00
+#define EBAR_ATTR_DEVICE_DEVCS2 0x00001B00
+#define EBAR_ATTR_DEVICE_DEVCS3 0x00001700
+#define EBAR_ATTR_DEVICE_BOOTCS3 0x00000F00
+
+/* PCI Target interface */
+#define EBAR_ATTR_PCI_BYTE_SWAP 0x00000000
+#define EBAR_ATTR_PCI_NO_SWAP 0x00000100
+#define EBAR_ATTR_PCI_BYTE_WORD_SWAP 0x00000200
+#define EBAR_ATTR_PCI_WORD_SWAP 0x00000300
+#define EBAR_ATTR_PCI_NO_SNOOP_NOT_ASSERT 0x00000000
+#define EBAR_ATTR_PCI_NO_SNOOP_ASSERT 0x00000400
+#define EBAR_ATTR_PCI_IO_SPACE 0x00000000
+#define EBAR_ATTR_PCI_MEMORY_SPACE 0x00000800
+#define EBAR_ATTR_PCI_REQ64_FORCE 0x00000000
+#define EBAR_ATTR_PCI_REQ64_SIZE 0x00001000
+
+/* CPU 60x bus or internal SRAM interface */
+#define EBAR_ATTR_CBS_SRAM_BLOCK0 0x00000000
+#define EBAR_ATTR_CBS_SRAM_BLOCK1 0x00000100
+#define EBAR_ATTR_CBS_SRAM 0x00000000
+#define EBAR_ATTR_CBS_CPU_BUS 0x00000800
+
+/* Window access control */
+#define EWIN_ACCESS_NOT_ALLOWED 0
+#define EWIN_ACCESS_READ_ONLY BIT0
+#define EWIN_ACCESS_FULL (BIT1 | BIT0)
+#define EWIN0_ACCESS_MASK 0x0003
+#define EWIN1_ACCESS_MASK 0x000C
+#define EWIN2_ACCESS_MASK 0x0030
+#define EWIN3_ACCESS_MASK 0x00C0
+
+/* typedefs */
+
+typedef enum _eth_port
+{
+ ETH_0 = 0,
+ ETH_1 = 1,
+ ETH_2 = 2
+}ETH_PORT;
+
+typedef enum _eth_func_ret_status
+{
+ ETH_OK, /* Returned as expected. */
+ ETH_ERROR, /* Fundamental error. */
+ ETH_RETRY, /* Could not process request. Try later. */
+ ETH_END_OF_JOB, /* Ring has nothing to process. */
+ ETH_QUEUE_FULL, /* Ring resource error. */
+ ETH_QUEUE_LAST_RESOURCE /* Ring resources about to exhaust. */
+}ETH_FUNC_RET_STATUS;
+
+typedef enum _eth_queue
+{
+ ETH_Q0 = 0,
+ ETH_Q1 = 1,
+ ETH_Q2 = 2,
+ ETH_Q3 = 3,
+ ETH_Q4 = 4,
+ ETH_Q5 = 5,
+ ETH_Q6 = 6,
+ ETH_Q7 = 7
+} ETH_QUEUE;
+
+typedef enum _addr_win
+{
+ ETH_WIN0,
+ ETH_WIN1,
+ ETH_WIN2,
+ ETH_WIN3,
+ ETH_WIN4,
+ ETH_WIN5
+} ETH_ADDR_WIN;
+
+typedef enum _eth_target
+{
+ ETH_TARGET_DRAM ,
+ ETH_TARGET_DEVICE,
+ ETH_TARGET_CBS ,
+ ETH_TARGET_PCI0 ,
+ ETH_TARGET_PCI1
+}ETH_TARGET;
+
+typedef struct _eth_rx_desc
+{
+ unsigned short byte_cnt ; /* Descriptor buffer byte count */
+ unsigned short buf_size ; /* Buffer size */
+ unsigned int cmd_sts ; /* Descriptor command status */
+ unsigned int next_desc_ptr; /* Next descriptor pointer */
+ unsigned int buf_ptr ; /* Descriptor buffer pointer */
+ unsigned int return_info ; /* User resource return information */
+} ETH_RX_DESC;
+
+
+typedef struct _eth_tx_desc
+{
+ unsigned short byte_cnt ; /* Descriptor buffer byte count */
+ unsigned short l4i_chk ; /* CPU provided TCP Checksum */
+ unsigned int cmd_sts ; /* Descriptor command status */
+ unsigned int next_desc_ptr; /* Next descriptor pointer */
+ unsigned int buf_ptr ; /* Descriptor buffer pointer */
+ unsigned int return_info ; /* User resource return information */
+} ETH_TX_DESC;
+
+/* Unified struct for Rx and Tx operations. The user is not required to */
+/* be familier with neither Tx nor Rx descriptors. */
+typedef struct _pkt_info
+{
+ unsigned short byte_cnt ; /* Descriptor buffer byte count */
+ unsigned short l4i_chk ; /* Tx CPU provided TCP Checksum */
+ unsigned int cmd_sts ; /* Descriptor command status */
+ unsigned int buf_ptr ; /* Descriptor buffer pointer */
+ unsigned int return_info ; /* User resource return information */
+} PKT_INFO;
+
+
+typedef struct _eth_win_param
+{
+ ETH_ADDR_WIN win; /* Window number. See ETH_ADDR_WIN enum */
+ ETH_TARGET target; /* System targets. See ETH_TARGET enum */
+ unsigned short attributes; /* BAR attributes. See above macros. */
+ unsigned int base_addr; /* Window base address in unsigned int form */
+ unsigned int high_addr; /* Window high address in unsigned int form */
+ unsigned int size; /* Size in MBytes. Must be % 64Kbyte. */
+ bool enable; /* Enable/disable access to the window. */
+ unsigned short access_ctrl; /* Access ctrl register. see above macros */
+} ETH_WIN_PARAM;
+
+
+/* Ethernet port specific infomation */
+
+typedef struct _eth_port_ctrl
+{
+ ETH_PORT port_num; /* User Ethernet port number */
+ int port_phy_addr; /* User phy address of Ethrnet port */
+ unsigned char port_mac_addr[6]; /* User defined port MAC address. */
+ unsigned int port_config; /* User port configuration value */
+ unsigned int port_config_extend; /* User port config extend value */
+ unsigned int port_sdma_config; /* User port SDMA config value */
+ unsigned int port_serial_control; /* User port serial control value */
+ unsigned int port_tx_queue_command; /* Port active Tx queues summary */
+ unsigned int port_rx_queue_command; /* Port active Rx queues summary */
+
+ /* User function to cast virtual address to CPU bus address */
+ unsigned int (*port_virt_to_phys)(unsigned int addr);
+ /* User scratch pad for user specific data structures */
+ void *port_private;
+
+ bool rx_resource_err[MAX_RX_QUEUE_NUM]; /* Rx ring resource error flag */
+ bool tx_resource_err[MAX_TX_QUEUE_NUM]; /* Tx ring resource error flag */
+
+ /* Tx/Rx rings managment indexes fields. For driver use */
+
+ /* Next available Rx resource */
+ volatile ETH_RX_DESC *p_rx_curr_desc_q[MAX_RX_QUEUE_NUM];
+ /* Returning Rx resource */
+ volatile ETH_RX_DESC *p_rx_used_desc_q[MAX_RX_QUEUE_NUM];
+
+ /* Next available Tx resource */
+ volatile ETH_TX_DESC *p_tx_curr_desc_q[MAX_TX_QUEUE_NUM];
+ /* Returning Tx resource */
+ volatile ETH_TX_DESC *p_tx_used_desc_q[MAX_TX_QUEUE_NUM];
+ /* An extra Tx index to support transmit of multiple buffers per packet */
+ volatile ETH_TX_DESC *p_tx_first_desc_q[MAX_TX_QUEUE_NUM];
+
+ /* Tx/Rx rings size and base variables fields. For driver use */
+
+ volatile ETH_RX_DESC *p_rx_desc_area_base[MAX_RX_QUEUE_NUM];
+ unsigned int rx_desc_area_size[MAX_RX_QUEUE_NUM];
+ char *p_rx_buffer_base[MAX_RX_QUEUE_NUM];
+
+ volatile ETH_TX_DESC *p_tx_desc_area_base[MAX_TX_QUEUE_NUM];
+ unsigned int tx_desc_area_size[MAX_TX_QUEUE_NUM];
+ char *p_tx_buffer_base[MAX_TX_QUEUE_NUM];
+
+} ETH_PORT_INFO;
+
+
+/* ethernet.h API list */
+
+/* Port operation control routines */
+static void eth_port_init (ETH_PORT_INFO *p_eth_port_ctrl);
+static void eth_port_reset(ETH_PORT eth_port_num);
+static bool eth_port_start(ETH_PORT_INFO *p_eth_port_ctrl);
+
+
+/* Port MAC address routines */
+static void eth_port_uc_addr_set (ETH_PORT eth_port_num,
+ unsigned char *p_addr,
+ ETH_QUEUE queue);
+#if 0 /* FIXME */
+static void eth_port_mc_addr (ETH_PORT eth_port_num,
+ unsigned char *p_addr,
+ ETH_QUEUE queue,
+ int option);
+#endif
+
+/* PHY and MIB routines */
+static bool ethernet_phy_reset(ETH_PORT eth_port_num);
+
+static bool eth_port_write_smi_reg(ETH_PORT eth_port_num,
+ unsigned int phy_reg,
+ unsigned int value);
+
+static bool eth_port_read_smi_reg(ETH_PORT eth_port_num,
+ unsigned int phy_reg,
+ unsigned int* value);
+
+static void eth_clear_mib_counters(ETH_PORT eth_port_num);
+
+/* Port data flow control routines */
+static ETH_FUNC_RET_STATUS eth_port_send (ETH_PORT_INFO *p_eth_port_ctrl,
+ ETH_QUEUE tx_queue,
+ PKT_INFO *p_pkt_info);
+static ETH_FUNC_RET_STATUS eth_tx_return_desc(ETH_PORT_INFO *p_eth_port_ctrl,
+ ETH_QUEUE tx_queue,
+ PKT_INFO *p_pkt_info);
+static ETH_FUNC_RET_STATUS eth_port_receive (ETH_PORT_INFO *p_eth_port_ctrl,
+ ETH_QUEUE rx_queue,
+ PKT_INFO *p_pkt_info);
+static ETH_FUNC_RET_STATUS eth_rx_return_buff(ETH_PORT_INFO *p_eth_port_ctrl,
+ ETH_QUEUE rx_queue,
+ PKT_INFO *p_pkt_info);
+
+
+static bool ether_init_tx_desc_ring(ETH_PORT_INFO *p_eth_port_ctrl,
+ ETH_QUEUE tx_queue,
+ int tx_desc_num,
+ int tx_buff_size,
+ unsigned int tx_desc_base_addr,
+ unsigned int tx_buff_base_addr);
+
+static bool ether_init_rx_desc_ring(ETH_PORT_INFO *p_eth_port_ctrl,
+ ETH_QUEUE rx_queue,
+ int rx_desc_num,
+ int rx_buff_size,
+ unsigned int rx_desc_base_addr,
+ unsigned int rx_buff_base_addr);
+
+#endif /* MV64460_ETH_ */
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