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uboot-1.1.4-kirkwood/board/esd/cpci750/mv_eth.h

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u-boot 1.1.4
2024-01-07 23:57:24 +01:00
/*
* (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 "../../Marvell/common/ppc_error_no.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*, volatile void* packet, int length);
/* return db64360_eth0_poll(); */
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_ */
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