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/*
* File: drivers/net/bfin_mac.c
* Based on:
* Maintainer:
* Bryan Wu <bryan.wu@analog.com>
*
* Original author:
* Luke Yang <luke.yang@analog.com>
*
* Created:
* Description:
*
* Modified:
* Copyright 2004-2006 Analog Devices Inc.
*
* Bugs: Enter bugs at http://blackfin.uclinux.org/
*
* 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, 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 ; see the file COPYING.
* If not, write to the Free Software Foundation,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/*
* PHY REGISTER NAMES
*/
#define PHYREG_MODECTL 0x0000
#define PHYREG_MODESTAT 0x0001
#define PHYREG_PHYID1 0x0002
#define PHYREG_PHYID2 0x0003
#define PHYREG_ANAR 0x0004
#define PHYREG_ANLPAR 0x0005
#define PHYREG_ANER 0x0006
#define PHYREG_NSR 0x0010
#define PHYREG_LBREMR 0x0011
#define PHYREG_REC 0x0012
#define PHYREG_10CFG 0x0013
#define PHYREG_PHY1_1 0x0014
#define PHYREG_PHY1_2 0x0015
#define PHYREG_PHY2 0x0016
#define PHYREG_TW_1 0x0017
#define PHYREG_TW_2 0x0018
#define PHYREG_TEST 0x0019
#define PHY_RESET 0x8000
#define PHY_ANEG_EN 0x1000
#define PHY_DUPLEX 0x0100
#define PHY_SPD_SET 0x2000
#define BFIN_MAC_CSUM_OFFLOAD
struct dma_descriptor {
struct dma_descriptor *next_dma_desc;
unsigned long start_addr;
unsigned short config;
unsigned short x_count;
};
struct status_area_rx {
#if defined(BFIN_MAC_CSUM_OFFLOAD)
unsigned short ip_hdr_csum; /* ip header checksum */
/* ip payload(udp or tcp or others) checksum */
unsigned short ip_payload_csum;
#endif
unsigned long status_word; /* the frame status word */
};
struct status_area_tx {
unsigned long status_word; /* the frame status word */
};
/* use two descriptors for a packet */
struct net_dma_desc_rx {
struct net_dma_desc_rx *next;
struct sk_buff *skb;
struct dma_descriptor desc_a;
struct dma_descriptor desc_b;
struct status_area_rx status;
};
/* use two descriptors for a packet */
struct net_dma_desc_tx {
struct net_dma_desc_tx *next;
struct sk_buff *skb;
struct dma_descriptor desc_a;
struct dma_descriptor desc_b;
unsigned char packet[1560];
struct status_area_tx status;
};
struct bf537mac_local {
/*
* these are things that the kernel wants me to keep, so users
* can find out semi-useless statistics of how well the card is
* performing
*/
int version;
int FlowEnabled; /* record if data flow is active */
int EtherIntIVG; /* IVG for the ethernet interrupt */
int RXIVG; /* IVG for the RX completion */
int TXIVG; /* IVG for the TX completion */
int PhyAddr; /* PHY address */
int OpMode; /* set these bits n the OPMODE regs */
int Port10; /* set port speed to 10 Mbit/s */
int GenChksums; /* IP checksums to be calculated */
int NoRcveLnth; /* dont insert recv length at start of buffer */
int StripPads; /* remove trailing pad bytes */
int FullDuplex; /* set full duplex mode */
int Negotiate; /* enable auto negotiation */
int Loopback; /* loopback at the PHY */
int Cache; /* Buffers may be cached */
int FlowControl; /* flow control active */
int CLKIN; /* clock in value in MHZ */
unsigned short IntMask; /* interrupt mask */
unsigned char Mac[6]; /* MAC address of the board */
spinlock_t lock;
};
extern void get_bf537_ether_addr(char *addr);
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