/* * (C) Copyright 2003 * Ingo Assmus <ingo.assmus@keymile.com> * * based on - Driver for MV64360X ethernet ports * Copyright (C) 2002 rabeeh@galileo.co.il * * See file CREDITS for list of people who contributed to this * project. * * 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 */ /* * mv_eth.h - header file for the polled mode GT ethernet driver */ #ifndef __DB64360_ETH_H__ #define __DB64360_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. * ************************************************************************** ************************************************************************** *************************************************************************/ #ifndef TRUE #define TRUE 1 #endif #ifndef FALSE #define FALSE 0 #endif /* 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 MV64360_TX_QUEUE_NUM 1 #define MV64360_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_MV64360_ETH_TXQUEUE_SIZE #define MV64360_TX_QUEUE_SIZE CONFIG_MV64360_ETH_TXQUEUE_SIZE #else #define MV64360_TX_QUEUE_SIZE 4 #endif /* Default RX ring size is 4 descriptors */ #ifdef CONFIG_MV64360_ETH_RXQUEUE_SIZE #define MV64360_RX_QUEUE_SIZE CONFIG_MV64360_ETH_RXQUEUE_SIZE #else #define MV64360_RX_QUEUE_SIZE 4 #endif #ifdef CONFIG_RX_BUFFER_SIZE #define MV64360_RX_BUFFER_SIZE CONFIG_RX_BUFFER_SIZE #else #define MV64360_RX_BUFFER_SIZE 1600 #endif #ifdef CONFIG_TX_BUFFER_SIZE #define MV64360_TX_BUFFER_SIZE CONFIG_TX_BUFFER_SIZE #else #define MV64360_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 mv64360_eth_priv { unsigned int port_num; struct net_device_stats *stats; /* to buffer area aligned */ char * p_eth_tx_buffer[MV64360_TX_QUEUE_SIZE+1]; /*pointers to alligned tx buffs in memory space */ char * p_eth_rx_buffer[MV64360_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 mv64360_eth_init (struct eth_device *dev); int mv64360_eth_stop (struct eth_device *dev); int mv64360_eth_start_xmit(struct eth_device *dev, void *packet, int length); int mv64360_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_MV64360_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 /* MV64360_ETH_ */