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Diffstat (limited to 'board/prodrive/p3mx/mv_eth.h')
| -rw-r--r-- | board/prodrive/p3mx/mv_eth.h | 840 |
1 files changed, 840 insertions, 0 deletions
diff --git a/board/prodrive/p3mx/mv_eth.h b/board/prodrive/p3mx/mv_eth.h new file mode 100644 index 0000000..334b049 --- /dev/null +++ b/board/prodrive/p3mx/mv_eth.h @@ -0,0 +1,840 @@ +/* + * (C) Copyright 2003 + * Ingo Assmus <ingo.assmus@keymile.com> + * + * based on - Driver for MV64460X 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 __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 "ppc_error_no.h" +#include "../../Marvell/include/core.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 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 first_init; +}; + +int mv64460_eth_init (struct eth_device *dev); +int mv64460_eth_stop (struct eth_device *dev); +int mv64460_eth_start_xmit (struct eth_device*, volatile void* packet, int length); +/* return db64460_eth0_poll(); */ + +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_ */ |