diff options
Diffstat (limited to 'drivers/net/gianfar.h')
| -rw-r--r-- | drivers/net/gianfar.h | 775 |
1 files changed, 0 insertions, 775 deletions
diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h deleted file mode 100644 index 46cd7735e6f..00000000000 --- a/drivers/net/gianfar.h +++ /dev/null @@ -1,775 +0,0 @@ -/* - * drivers/net/gianfar.h - * - * Gianfar Ethernet Driver - * Driver for FEC on MPC8540 and TSEC on MPC8540/MPC8560 - * Based on 8260_io/fcc_enet.c - * - * Author: Andy Fleming - * Maintainer: Kumar Gala - * - * Copyright (c) 2002-2004 Freescale Semiconductor, Inc. - * - * 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. - * - * Still left to do: - * -Add support for module parameters - * -Add patch for ethtool phys id - */ -#ifndef __GIANFAR_H -#define __GIANFAR_H - -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/slab.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/spinlock.h> -#include <linux/mm.h> -#include <linux/mii.h> -#include <linux/phy.h> - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/uaccess.h> -#include <linux/module.h> -#include <linux/crc32.h> -#include <linux/workqueue.h> -#include <linux/ethtool.h> -#include <linux/fsl_devices.h> -#include "gianfar_mii.h" - -/* The maximum number of packets to be handled in one call of gfar_poll */ -#define GFAR_DEV_WEIGHT 64 - -/* Length for FCB */ -#define GMAC_FCB_LEN 8 - -/* Default padding amount */ -#define DEFAULT_PADDING 2 - -/* Number of bytes to align the rx bufs to */ -#define RXBUF_ALIGNMENT 64 - -/* The number of bytes which composes a unit for the purpose of - * allocating data buffers. ie-for any given MTU, the data buffer - * will be the next highest multiple of 512 bytes. */ -#define INCREMENTAL_BUFFER_SIZE 512 - - -#define MAC_ADDR_LEN 6 - -#define PHY_INIT_TIMEOUT 100000 -#define GFAR_PHY_CHANGE_TIME 2 - -#define DEVICE_NAME "%s: Gianfar Ethernet Controller Version 1.2, " -#define DRV_NAME "gfar-enet" -extern const char gfar_driver_name[]; -extern const char gfar_driver_version[]; - -/* These need to be powers of 2 for this driver */ -#ifdef CONFIG_GFAR_NAPI -#define DEFAULT_TX_RING_SIZE 256 -#define DEFAULT_RX_RING_SIZE 256 -#else -#define DEFAULT_TX_RING_SIZE 64 -#define DEFAULT_RX_RING_SIZE 64 -#endif - -#define GFAR_RX_MAX_RING_SIZE 256 -#define GFAR_TX_MAX_RING_SIZE 256 - -#define GFAR_MAX_FIFO_THRESHOLD 511 -#define GFAR_MAX_FIFO_STARVE 511 -#define GFAR_MAX_FIFO_STARVE_OFF 511 - -#define DEFAULT_RX_BUFFER_SIZE 1536 -#define TX_RING_MOD_MASK(size) (size-1) -#define RX_RING_MOD_MASK(size) (size-1) -#define JUMBO_BUFFER_SIZE 9728 -#define JUMBO_FRAME_SIZE 9600 - -#define DEFAULT_FIFO_TX_THR 0x100 -#define DEFAULT_FIFO_TX_STARVE 0x40 -#define DEFAULT_FIFO_TX_STARVE_OFF 0x80 -#define DEFAULT_BD_STASH 1 -#define DEFAULT_STASH_LENGTH 64 -#define DEFAULT_STASH_INDEX 0 - -/* The number of Exact Match registers */ -#define GFAR_EM_NUM 15 - -/* Latency of interface clock in nanoseconds */ -/* Interface clock latency , in this case, means the - * time described by a value of 1 in the interrupt - * coalescing registers' time fields. Since those fields - * refer to the time it takes for 64 clocks to pass, the - * latencies are as such: - * GBIT = 125MHz => 8ns/clock => 8*64 ns / tick - * 100 = 25 MHz => 40ns/clock => 40*64 ns / tick - * 10 = 2.5 MHz => 400ns/clock => 400*64 ns / tick - */ -#define GFAR_GBIT_TIME 512 -#define GFAR_100_TIME 2560 -#define GFAR_10_TIME 25600 - -#define DEFAULT_TX_COALESCE 1 -#define DEFAULT_TXCOUNT 16 -#define DEFAULT_TXTIME 4 - -#define DEFAULT_RX_COALESCE 1 -#define DEFAULT_RXCOUNT 16 -#define DEFAULT_RXTIME 4 - -#define TBIPA_VALUE 0x1f -#define MIIMCFG_INIT_VALUE 0x00000007 -#define MIIMCFG_RESET 0x80000000 -#define MIIMIND_BUSY 0x00000001 - -/* TBI register addresses */ -#define MII_TBICON 0x11 - -/* TBICON register bit fields */ -#define TBICON_CLK_SELECT 0x0020 - -/* MAC register bits */ -#define MACCFG1_SOFT_RESET 0x80000000 -#define MACCFG1_RESET_RX_MC 0x00080000 -#define MACCFG1_RESET_TX_MC 0x00040000 -#define MACCFG1_RESET_RX_FUN 0x00020000 -#define MACCFG1_RESET_TX_FUN 0x00010000 -#define MACCFG1_LOOPBACK 0x00000100 -#define MACCFG1_RX_FLOW 0x00000020 -#define MACCFG1_TX_FLOW 0x00000010 -#define MACCFG1_SYNCD_RX_EN 0x00000008 -#define MACCFG1_RX_EN 0x00000004 -#define MACCFG1_SYNCD_TX_EN 0x00000002 -#define MACCFG1_TX_EN 0x00000001 - -#define MACCFG2_INIT_SETTINGS 0x00007205 -#define MACCFG2_FULL_DUPLEX 0x00000001 -#define MACCFG2_IF 0x00000300 -#define MACCFG2_MII 0x00000100 -#define MACCFG2_GMII 0x00000200 -#define MACCFG2_HUGEFRAME 0x00000020 -#define MACCFG2_LENGTHCHECK 0x00000010 - -#define ECNTRL_INIT_SETTINGS 0x00001000 -#define ECNTRL_TBI_MODE 0x00000020 -#define ECNTRL_REDUCED_MODE 0x00000010 -#define ECNTRL_R100 0x00000008 -#define ECNTRL_REDUCED_MII_MODE 0x00000004 -#define ECNTRL_SGMII_MODE 0x00000002 - -#define MRBLR_INIT_SETTINGS DEFAULT_RX_BUFFER_SIZE - -#define MINFLR_INIT_SETTINGS 0x00000040 - -/* Init to do tx snooping for buffers and descriptors */ -#define DMACTRL_INIT_SETTINGS 0x000000c3 -#define DMACTRL_GRS 0x00000010 -#define DMACTRL_GTS 0x00000008 - -#define TSTAT_CLEAR_THALT 0x80000000 - -/* Interrupt coalescing macros */ -#define IC_ICEN 0x80000000 -#define IC_ICFT_MASK 0x1fe00000 -#define IC_ICFT_SHIFT 21 -#define mk_ic_icft(x) \ - (((unsigned int)x << IC_ICFT_SHIFT)&IC_ICFT_MASK) -#define IC_ICTT_MASK 0x0000ffff -#define mk_ic_ictt(x) (x&IC_ICTT_MASK) - -#define mk_ic_value(count, time) (IC_ICEN | \ - mk_ic_icft(count) | \ - mk_ic_ictt(time)) - -#define RCTRL_PAL_MASK 0x001f0000 -#define RCTRL_VLEX 0x00002000 -#define RCTRL_FILREN 0x00001000 -#define RCTRL_GHTX 0x00000400 -#define RCTRL_IPCSEN 0x00000200 -#define RCTRL_TUCSEN 0x00000100 -#define RCTRL_PRSDEP_MASK 0x000000c0 -#define RCTRL_PRSDEP_INIT 0x000000c0 -#define RCTRL_PROM 0x00000008 -#define RCTRL_EMEN 0x00000002 -#define RCTRL_CHECKSUMMING (RCTRL_IPCSEN \ - | RCTRL_TUCSEN | RCTRL_PRSDEP_INIT) -#define RCTRL_EXTHASH (RCTRL_GHTX) -#define RCTRL_VLAN (RCTRL_PRSDEP_INIT) -#define RCTRL_PADDING(x) ((x << 16) & RCTRL_PAL_MASK) - - -#define RSTAT_CLEAR_RHALT 0x00800000 - -#define TCTRL_IPCSEN 0x00004000 -#define TCTRL_TUCSEN 0x00002000 -#define TCTRL_VLINS 0x00001000 -#define TCTRL_INIT_CSUM (TCTRL_TUCSEN | TCTRL_IPCSEN) - -#define IEVENT_INIT_CLEAR 0xffffffff -#define IEVENT_BABR 0x80000000 -#define IEVENT_RXC 0x40000000 -#define IEVENT_BSY 0x20000000 -#define IEVENT_EBERR 0x10000000 -#define IEVENT_MSRO 0x04000000 -#define IEVENT_GTSC 0x02000000 -#define IEVENT_BABT 0x01000000 -#define IEVENT_TXC 0x00800000 -#define IEVENT_TXE 0x00400000 -#define IEVENT_TXB 0x00200000 -#define IEVENT_TXF 0x00100000 -#define IEVENT_LC 0x00040000 -#define IEVENT_CRL 0x00020000 -#define IEVENT_XFUN 0x00010000 -#define IEVENT_RXB0 0x00008000 -#define IEVENT_GRSC 0x00000100 -#define IEVENT_RXF0 0x00000080 -#define IEVENT_FIR 0x00000008 -#define IEVENT_FIQ 0x00000004 -#define IEVENT_DPE 0x00000002 -#define IEVENT_PERR 0x00000001 -#define IEVENT_RX_MASK (IEVENT_RXB0 | IEVENT_RXF0) -#define IEVENT_TX_MASK (IEVENT_TXB | IEVENT_TXF) -#define IEVENT_ERR_MASK \ -(IEVENT_RXC | IEVENT_BSY | IEVENT_EBERR | IEVENT_MSRO | \ - IEVENT_BABT | IEVENT_TXC | IEVENT_TXE | IEVENT_LC \ - | IEVENT_CRL | IEVENT_XFUN | IEVENT_DPE | IEVENT_PERR) - -#define IMASK_INIT_CLEAR 0x00000000 -#define IMASK_BABR 0x80000000 -#define IMASK_RXC 0x40000000 -#define IMASK_BSY 0x20000000 -#define IMASK_EBERR 0x10000000 -#define IMASK_MSRO 0x04000000 -#define IMASK_GRSC 0x02000000 -#define IMASK_BABT 0x01000000 -#define IMASK_TXC 0x00800000 -#define IMASK_TXEEN 0x00400000 -#define IMASK_TXBEN 0x00200000 -#define IMASK_TXFEN 0x00100000 -#define IMASK_LC 0x00040000 -#define IMASK_CRL 0x00020000 -#define IMASK_XFUN 0x00010000 -#define IMASK_RXB0 0x00008000 -#define IMASK_GTSC 0x00000100 -#define IMASK_RXFEN0 0x00000080 -#define IMASK_FIR 0x00000008 -#define IMASK_FIQ 0x00000004 -#define IMASK_DPE 0x00000002 -#define IMASK_PERR 0x00000001 -#define IMASK_RX_DISABLED ~(IMASK_RXFEN0 | IMASK_BSY) -#define IMASK_DEFAULT (IMASK_TXEEN | IMASK_TXFEN | IMASK_TXBEN | \ - IMASK_RXFEN0 | IMASK_BSY | IMASK_EBERR | IMASK_BABR | \ - IMASK_XFUN | IMASK_RXC | IMASK_BABT | IMASK_DPE \ - | IMASK_PERR) - -/* Fifo management */ -#define FIFO_TX_THR_MASK 0x01ff -#define FIFO_TX_STARVE_MASK 0x01ff -#define FIFO_TX_STARVE_OFF_MASK 0x01ff - -/* Attribute fields */ - -/* This enables rx snooping for buffers and descriptors */ -#define ATTR_BDSTASH 0x00000800 - -#define ATTR_BUFSTASH 0x00004000 - -#define ATTR_SNOOPING 0x000000c0 -#define ATTR_INIT_SETTINGS ATTR_SNOOPING - -#define ATTRELI_INIT_SETTINGS 0x0 -#define ATTRELI_EL_MASK 0x3fff0000 -#define ATTRELI_EL(x) (x << 16) -#define ATTRELI_EI_MASK 0x00003fff -#define ATTRELI_EI(x) (x) - - -/* TxBD status field bits */ -#define TXBD_READY 0x8000 -#define TXBD_PADCRC 0x4000 -#define TXBD_WRAP 0x2000 -#define TXBD_INTERRUPT 0x1000 -#define TXBD_LAST 0x0800 -#define TXBD_CRC 0x0400 -#define TXBD_DEF 0x0200 -#define TXBD_HUGEFRAME 0x0080 -#define TXBD_LATECOLLISION 0x0080 -#define TXBD_RETRYLIMIT 0x0040 -#define TXBD_RETRYCOUNTMASK 0x003c -#define TXBD_UNDERRUN 0x0002 -#define TXBD_TOE 0x0002 - -/* Tx FCB param bits */ -#define TXFCB_VLN 0x80 -#define TXFCB_IP 0x40 -#define TXFCB_IP6 0x20 -#define TXFCB_TUP 0x10 -#define TXFCB_UDP 0x08 -#define TXFCB_CIP 0x04 -#define TXFCB_CTU 0x02 -#define TXFCB_NPH 0x01 -#define TXFCB_DEFAULT (TXFCB_IP|TXFCB_TUP|TXFCB_CTU|TXFCB_NPH) - -/* RxBD status field bits */ -#define RXBD_EMPTY 0x8000 -#define RXBD_RO1 0x4000 -#define RXBD_WRAP 0x2000 -#define RXBD_INTERRUPT 0x1000 -#define RXBD_LAST 0x0800 -#define RXBD_FIRST 0x0400 -#define RXBD_MISS 0x0100 -#define RXBD_BROADCAST 0x0080 -#define RXBD_MULTICAST 0x0040 -#define RXBD_LARGE 0x0020 -#define RXBD_NONOCTET 0x0010 -#define RXBD_SHORT 0x0008 -#define RXBD_CRCERR 0x0004 -#define RXBD_OVERRUN 0x0002 -#define RXBD_TRUNCATED 0x0001 -#define RXBD_STATS 0x01ff - -/* Rx FCB status field bits */ -#define RXFCB_VLN 0x8000 -#define RXFCB_IP 0x4000 -#define RXFCB_IP6 0x2000 -#define RXFCB_TUP 0x1000 -#define RXFCB_CIP 0x0800 -#define RXFCB_CTU 0x0400 -#define RXFCB_EIP 0x0200 -#define RXFCB_ETU 0x0100 -#define RXFCB_CSUM_MASK 0x0f00 -#define RXFCB_PERR_MASK 0x000c -#define RXFCB_PERR_BADL3 0x0008 - -struct txbd8 -{ - u16 status; /* Status Fields */ - u16 length; /* Buffer length */ - u32 bufPtr; /* Buffer Pointer */ -}; - -struct txfcb { - u8 flags; - u8 reserved; - u8 l4os; /* Level 4 Header Offset */ - u8 l3os; /* Level 3 Header Offset */ - u16 phcs; /* Pseudo-header Checksum */ - u16 vlctl; /* VLAN control word */ -}; - -struct rxbd8 -{ - u16 status; /* Status Fields */ - u16 length; /* Buffer Length */ - u32 bufPtr; /* Buffer Pointer */ -}; - -struct rxfcb { - u16 flags; - u8 rq; /* Receive Queue index */ - u8 pro; /* Layer 4 Protocol */ - u16 reserved; - u16 vlctl; /* VLAN control word */ -}; - -struct rmon_mib -{ - u32 tr64; /* 0x.680 - Transmit and Receive 64-byte Frame Counter */ - u32 tr127; /* 0x.684 - Transmit and Receive 65-127 byte Frame Counter */ - u32 tr255; /* 0x.688 - Transmit and Receive 128-255 byte Frame Counter */ - u32 tr511; /* 0x.68c - Transmit and Receive 256-511 byte Frame Counter */ - u32 tr1k; /* 0x.690 - Transmit and Receive 512-1023 byte Frame Counter */ - u32 trmax; /* 0x.694 - Transmit and Receive 1024-1518 byte Frame Counter */ - u32 trmgv; /* 0x.698 - Transmit and Receive 1519-1522 byte Good VLAN Frame */ - u32 rbyt; /* 0x.69c - Receive Byte Counter */ - u32 rpkt; /* 0x.6a0 - Receive Packet Counter */ - u32 rfcs; /* 0x.6a4 - Receive FCS Error Counter */ - u32 rmca; /* 0x.6a8 - Receive Multicast Packet Counter */ - u32 rbca; /* 0x.6ac - Receive Broadcast Packet Counter */ - u32 rxcf; /* 0x.6b0 - Receive Control Frame Packet Counter */ - u32 rxpf; /* 0x.6b4 - Receive Pause Frame Packet Counter */ - u32 rxuo; /* 0x.6b8 - Receive Unknown OP Code Counter */ - u32 raln; /* 0x.6bc - Receive Alignment Error Counter */ - u32 rflr; /* 0x.6c0 - Receive Frame Length Error Counter */ - u32 rcde; /* 0x.6c4 - Receive Code Error Counter */ - u32 rcse; /* 0x.6c8 - Receive Carrier Sense Error Counter */ - u32 rund; /* 0x.6cc - Receive Undersize Packet Counter */ - u32 rovr; /* 0x.6d0 - Receive Oversize Packet Counter */ - u32 rfrg; /* 0x.6d4 - Receive Fragments Counter */ - u32 rjbr; /* 0x.6d8 - Receive Jabber Counter */ - u32 rdrp; /* 0x.6dc - Receive Drop Counter */ - u32 tbyt; /* 0x.6e0 - Transmit Byte Counter Counter */ - u32 tpkt; /* 0x.6e4 - Transmit Packet Counter */ - u32 tmca; /* 0x.6e8 - Transmit Multicast Packet Counter */ - u32 tbca; /* 0x.6ec - Transmit Broadcast Packet Counter */ - u32 txpf; /* 0x.6f0 - Transmit Pause Control Frame Counter */ - u32 tdfr; /* 0x.6f4 - Transmit Deferral Packet Counter */ - u32 tedf; /* 0x.6f8 - Transmit Excessive Deferral Packet Counter */ - u32 tscl; /* 0x.6fc - Transmit Single Collision Packet Counter */ - u32 tmcl; /* 0x.700 - Transmit Multiple Collision Packet Counter */ - u32 tlcl; /* 0x.704 - Transmit Late Collision Packet Counter */ - u32 txcl; /* 0x.708 - Transmit Excessive Collision Packet Counter */ - u32 tncl; /* 0x.70c - Transmit Total Collision Counter */ - u8 res1[4]; - u32 tdrp; /* 0x.714 - Transmit Drop Frame Counter */ - u32 tjbr; /* 0x.718 - Transmit Jabber Frame Counter */ - u32 tfcs; /* 0x.71c - Transmit FCS Error Counter */ - u32 txcf; /* 0x.720 - Transmit Control Frame Counter */ - u32 tovr; /* 0x.724 - Transmit Oversize Frame Counter */ - u32 tund; /* 0x.728 - Transmit Undersize Frame Counter */ - u32 tfrg; /* 0x.72c - Transmit Fragments Frame Counter */ - u32 car1; /* 0x.730 - Carry Register One */ - u32 car2; /* 0x.734 - Carry Register Two */ - u32 cam1; /* 0x.738 - Carry Mask Register One */ - u32 cam2; /* 0x.73c - Carry Mask Register Two */ -}; - -struct gfar_extra_stats { - u64 kernel_dropped; - u64 rx_large; - u64 rx_short; - u64 rx_nonoctet; - u64 rx_crcerr; - u64 rx_overrun; - u64 rx_bsy; - u64 rx_babr; - u64 rx_trunc; - u64 eberr; - u64 tx_babt; - u64 tx_underrun; - u64 rx_skbmissing; - u64 tx_timeout; -}; - -#define GFAR_RMON_LEN ((sizeof(struct rmon_mib) - 16)/sizeof(u32)) -#define GFAR_EXTRA_STATS_LEN (sizeof(struct gfar_extra_stats)/sizeof(u64)) - -/* Number of stats in the stats structure (ignore car and cam regs)*/ -#define GFAR_STATS_LEN (GFAR_RMON_LEN + GFAR_EXTRA_STATS_LEN) - -#define GFAR_INFOSTR_LEN 32 - -struct gfar_stats { - u64 extra[GFAR_EXTRA_STATS_LEN]; - u64 rmon[GFAR_RMON_LEN]; -}; - - -struct gfar { - u32 tsec_id; /* 0x.000 - Controller ID register */ - u8 res1[12]; - u32 ievent; /* 0x.010 - Interrupt Event Register */ - u32 imask; /* 0x.014 - Interrupt Mask Register */ - u32 edis; /* 0x.018 - Error Disabled Register */ - u8 res2[4]; - u32 ecntrl; /* 0x.020 - Ethernet Control Register */ - u32 minflr; /* 0x.024 - Minimum Frame Length Register */ - u32 ptv; /* 0x.028 - Pause Time Value Register */ - u32 dmactrl; /* 0x.02c - DMA Control Register */ - u32 tbipa; /* 0x.030 - TBI PHY Address Register */ - u8 res3[88]; - u32 fifo_tx_thr; /* 0x.08c - FIFO transmit threshold register */ - u8 res4[8]; - u32 fifo_tx_starve; /* 0x.098 - FIFO transmit starve register */ - u32 fifo_tx_starve_shutoff; /* 0x.09c - FIFO transmit starve shutoff register */ - u8 res5[4]; - u32 fifo_rx_pause; /* 0x.0a4 - FIFO receive pause threshold register */ - u32 fifo_rx_alarm; /* 0x.0a8 - FIFO receive alarm threshold register */ - u8 res6[84]; - u32 tctrl; /* 0x.100 - Transmit Control Register */ - u32 tstat; /* 0x.104 - Transmit Status Register */ - u32 dfvlan; /* 0x.108 - Default VLAN Control word */ - u32 tbdlen; /* 0x.10c - Transmit Buffer Descriptor Data Length Register */ - u32 txic; /* 0x.110 - Transmit Interrupt Coalescing Configuration Register */ - u32 tqueue; /* 0x.114 - Transmit queue control register */ - u8 res7[40]; - u32 tr03wt; /* 0x.140 - TxBD Rings 0-3 round-robin weightings */ - u32 tr47wt; /* 0x.144 - TxBD Rings 4-7 round-robin weightings */ - u8 res8[52]; - u32 tbdbph; /* 0x.17c - Tx data buffer pointer high */ - u8 res9a[4]; - u32 tbptr0; /* 0x.184 - TxBD Pointer for ring 0 */ - u8 res9b[4]; - u32 tbptr1; /* 0x.18c - TxBD Pointer for ring 1 */ - u8 res9c[4]; - u32 tbptr2; /* 0x.194 - TxBD Pointer for ring 2 */ - u8 res9d[4]; - u32 tbptr3; /* 0x.19c - TxBD Pointer for ring 3 */ - u8 res9e[4]; - u32 tbptr4; /* 0x.1a4 - TxBD Pointer for ring 4 */ - u8 res9f[4]; - u32 tbptr5; /* 0x.1ac - TxBD Pointer for ring 5 */ - u8 res9g[4]; - u32 tbptr6; /* 0x.1b4 - TxBD Pointer for ring 6 */ - u8 res9h[4]; - u32 tbptr7; /* 0x.1bc - TxBD Pointer for ring 7 */ - u8 res9[64]; - u32 tbaseh; /* 0x.200 - TxBD base address high */ - u32 tbase0; /* 0x.204 - TxBD Base Address of ring 0 */ - u8 res10a[4]; - u32 tbase1; /* 0x.20c - TxBD Base Address of ring 1 */ - u8 res10b[4]; - u32 tbase2; /* 0x.214 - TxBD Base Address of ring 2 */ - u8 res10c[4]; - u32 tbase3; /* 0x.21c - TxBD Base Address of ring 3 */ - u8 res10d[4]; - u32 tbase4; /* 0x.224 - TxBD Base Address of ring 4 */ - u8 res10e[4]; - u32 tbase5; /* 0x.22c - TxBD Base Address of ring 5 */ - u8 res10f[4]; - u32 tbase6; /* 0x.234 - TxBD Base Address of ring 6 */ - u8 res10g[4]; - u32 tbase7; /* 0x.23c - TxBD Base Address of ring 7 */ - u8 res10[192]; - u32 rctrl; /* 0x.300 - Receive Control Register */ - u32 rstat; /* 0x.304 - Receive Status Register */ - u8 res12[8]; - u32 rxic; /* 0x.310 - Receive Interrupt Coalescing Configuration Register */ - u32 rqueue; /* 0x.314 - Receive queue control register */ - u8 res13[24]; - u32 rbifx; /* 0x.330 - Receive bit field extract control register */ - u32 rqfar; /* 0x.334 - Receive queue filing table address register */ - u32 rqfcr; /* 0x.338 - Receive queue filing table control register */ - u32 rqfpr; /* 0x.33c - Receive queue filing table property register */ - u32 mrblr; /* 0x.340 - Maximum Receive Buffer Length Register */ - u8 res14[56]; - u32 rbdbph; /* 0x.37c - Rx data buffer pointer high */ - u8 res15a[4]; - u32 rbptr0; /* 0x.384 - RxBD pointer for ring 0 */ - u8 res15b[4]; - u32 rbptr1; /* 0x.38c - RxBD pointer for ring 1 */ - u8 res15c[4]; - u32 rbptr2; /* 0x.394 - RxBD pointer for ring 2 */ - u8 res15d[4]; - u32 rbptr3; /* 0x.39c - RxBD pointer for ring 3 */ - u8 res15e[4]; - u32 rbptr4; /* 0x.3a4 - RxBD pointer for ring 4 */ - u8 res15f[4]; - u32 rbptr5; /* 0x.3ac - RxBD pointer for ring 5 */ - u8 res15g[4]; - u32 rbptr6; /* 0x.3b4 - RxBD pointer for ring 6 */ - u8 res15h[4]; - u32 rbptr7; /* 0x.3bc - RxBD pointer for ring 7 */ - u8 res16[64]; - u32 rbaseh; /* 0x.400 - RxBD base address high */ - u32 rbase0; /* 0x.404 - RxBD base address of ring 0 */ - u8 res17a[4]; - u32 rbase1; /* 0x.40c - RxBD base address of ring 1 */ - u8 res17b[4]; - u32 rbase2; /* 0x.414 - RxBD base address of ring 2 */ - u8 res17c[4]; - u32 rbase3; /* 0x.41c - RxBD base address of ring 3 */ - u8 res17d[4]; - u32 rbase4; /* 0x.424 - RxBD base address of ring 4 */ - u8 res17e[4]; - u32 rbase5; /* 0x.42c - RxBD base address of ring 5 */ - u8 res17f[4]; - u32 rbase6; /* 0x.434 - RxBD base address of ring 6 */ - u8 res17g[4]; - u32 rbase7; /* 0x.43c - RxBD base address of ring 7 */ - u8 res17[192]; - u32 maccfg1; /* 0x.500 - MAC Configuration 1 Register */ - u32 maccfg2; /* 0x.504 - MAC Configuration 2 Register */ - u32 ipgifg; /* 0x.508 - Inter Packet Gap/Inter Frame Gap Register */ - u32 hafdup; /* 0x.50c - Half Duplex Register */ - u32 maxfrm; /* 0x.510 - Maximum Frame Length Register */ - u8 res18[12]; - u8 gfar_mii_regs[24]; /* See gianfar_phy.h */ - u8 res19[4]; - u32 ifstat; /* 0x.53c - Interface Status Register */ - u32 macstnaddr1; /* 0x.540 - Station Address Part 1 Register */ - u32 macstnaddr2; /* 0x.544 - Station Address Part 2 Register */ - u32 mac01addr1; /* 0x.548 - MAC exact match address 1, part 1 */ - u32 mac01addr2; /* 0x.54c - MAC exact match address 1, part 2 */ - u32 mac02addr1; /* 0x.550 - MAC exact match address 2, part 1 */ - u32 mac02addr2; /* 0x.554 - MAC exact match address 2, part 2 */ - u32 mac03addr1; /* 0x.558 - MAC exact match address 3, part 1 */ - u32 mac03addr2; /* 0x.55c - MAC exact match address 3, part 2 */ - u32 mac04addr1; /* 0x.560 - MAC exact match address 4, part 1 */ - u32 mac04addr2; /* 0x.564 - MAC exact match address 4, part 2 */ - u32 mac05addr1; /* 0x.568 - MAC exact match address 5, part 1 */ - u32 mac05addr2; /* 0x.56c - MAC exact match address 5, part 2 */ - u32 mac06addr1; /* 0x.570 - MAC exact match address 6, part 1 */ - u32 mac06addr2; /* 0x.574 - MAC exact match address 6, part 2 */ - u32 mac07addr1; /* 0x.578 - MAC exact match address 7, part 1 */ - u32 mac07addr2; /* 0x.57c - MAC exact match address 7, part 2 */ - u32 mac08addr1; /* 0x.580 - MAC exact match address 8, part 1 */ - u32 mac08addr2; /* 0x.584 - MAC exact match address 8, part 2 */ - u32 mac09addr1; /* 0x.588 - MAC exact match address 9, part 1 */ - u32 mac09addr2; /* 0x.58c - MAC exact match address 9, part 2 */ - u32 mac10addr1; /* 0x.590 - MAC exact match address 10, part 1*/ - u32 mac10addr2; /* 0x.594 - MAC exact match address 10, part 2*/ - u32 mac11addr1; /* 0x.598 - MAC exact match address 11, part 1*/ - u32 mac11addr2; /* 0x.59c - MAC exact match address 11, part 2*/ - u32 mac12addr1; /* 0x.5a0 - MAC exact match address 12, part 1*/ - u32 mac12addr2; /* 0x.5a4 - MAC exact match address 12, part 2*/ - u32 mac13addr1; /* 0x.5a8 - MAC exact match address 13, part 1*/ - u32 mac13addr2; /* 0x.5ac - MAC exact match address 13, part 2*/ - u32 mac14addr1; /* 0x.5b0 - MAC exact match address 14, part 1*/ - u32 mac14addr2; /* 0x.5b4 - MAC exact match address 14, part 2*/ - u32 mac15addr1; /* 0x.5b8 - MAC exact match address 15, part 1*/ - u32 mac15addr2; /* 0x.5bc - MAC exact match address 15, part 2*/ - u8 res20[192]; - struct rmon_mib rmon; /* 0x.680-0x.73c */ - u32 rrej; /* 0x.740 - Receive filer rejected packet counter */ - u8 res21[188]; - u32 igaddr0; /* 0x.800 - Indivdual/Group address register 0*/ - u32 igaddr1; /* 0x.804 - Indivdual/Group address register 1*/ - u32 igaddr2; /* 0x.808 - Indivdual/Group address register 2*/ - u32 igaddr3; /* 0x.80c - Indivdual/Group address register 3*/ - u32 igaddr4; /* 0x.810 - Indivdual/Group address register 4*/ - u32 igaddr5; /* 0x.814 - Indivdual/Group address register 5*/ - u32 igaddr6; /* 0x.818 - Indivdual/Group address register 6*/ - u32 igaddr7; /* 0x.81c - Indivdual/Group address register 7*/ - u8 res22[96]; - u32 gaddr0; /* 0x.880 - Group address register 0 */ - u32 gaddr1; /* 0x.884 - Group address register 1 */ - u32 gaddr2; /* 0x.888 - Group address register 2 */ - u32 gaddr3; /* 0x.88c - Group address register 3 */ - u32 gaddr4; /* 0x.890 - Group address register 4 */ - u32 gaddr5; /* 0x.894 - Group address register 5 */ - u32 gaddr6; /* 0x.898 - Group address register 6 */ - u32 gaddr7; /* 0x.89c - Group address register 7 */ - u8 res23a[352]; - u32 fifocfg; /* 0x.a00 - FIFO interface config register */ - u8 res23b[252]; - u8 res23c[248]; - u32 attr; /* 0x.bf8 - Attributes Register */ - u32 attreli; /* 0x.bfc - Attributes Extract Length and Extract Index Register */ - u8 res24[1024]; - -}; - -/* Struct stolen almost completely (and shamelessly) from the FCC enet source - * (Ok, that's not so true anymore, but there is a family resemblence) - * The GFAR buffer descriptors track the ring buffers. The rx_bd_base - * and tx_bd_base always point to the currently available buffer. - * The dirty_tx tracks the current buffer that is being sent by the - * controller. The cur_tx and dirty_tx are equal under both completely - * empty and completely full conditions. The empty/ready indicator in - * the buffer descriptor determines the actual condition. - */ -struct gfar_private { - /* Fields controlled by TX lock */ - spinlock_t txlock; - - /* Pointer to the array of skbuffs */ - struct sk_buff ** tx_skbuff; - - /* next free skb in the array */ - u16 skb_curtx; - - /* First skb in line to be transmitted */ - u16 skb_dirtytx; - - /* Configuration info for the coalescing features */ - unsigned char txcoalescing; - unsigned short txcount; - unsigned short txtime; - - /* Buffer descriptor pointers */ - struct txbd8 *tx_bd_base; /* First tx buffer descriptor */ - struct txbd8 *cur_tx; /* Next free ring entry */ - struct txbd8 *dirty_tx; /* First buffer in line - to be transmitted */ - unsigned int tx_ring_size; - - /* RX Locked fields */ - spinlock_t rxlock; - - struct net_device *dev; - struct napi_struct napi; - - /* skb array and index */ - struct sk_buff ** rx_skbuff; - u16 skb_currx; - - /* RX Coalescing values */ - unsigned char rxcoalescing; - unsigned short rxcount; - unsigned short rxtime; - - struct rxbd8 *rx_bd_base; /* First Rx buffers */ - struct rxbd8 *cur_rx; /* Next free rx ring entry */ - - /* RX parameters */ - unsigned int rx_ring_size; - unsigned int rx_buffer_size; - unsigned int rx_stash_size; - unsigned int rx_stash_index; - - struct vlan_group *vlgrp; - - /* Unprotected fields */ - /* Pointer to the GFAR memory mapped Registers */ - struct gfar __iomem *regs; - - /* Hash registers and their width */ - u32 __iomem *hash_regs[16]; - int hash_width; - - /* global parameters */ - unsigned int fifo_threshold; - unsigned int fifo_starve; - unsigned int fifo_starve_off; - - unsigned char vlan_enable:1, - rx_csum_enable:1, - extended_hash:1, - bd_stash_en:1; - unsigned short padding; - - unsigned int interruptTransmit; - unsigned int interruptReceive; - unsigned int interruptError; - - /* info structure initialized by platform code */ - struct gianfar_platform_data *einfo; - - /* PHY stuff */ - struct phy_device *phydev; - struct mii_bus *mii_bus; - int oldspeed; - int oldduplex; - int oldlink; - - uint32_t msg_enable; - - /* Network Statistics */ - struct gfar_extra_stats extra_stats; -}; - -static inline u32 gfar_read(volatile unsigned __iomem *addr) -{ - u32 val; - val = in_be32(addr); - return val; -} - -static inline void gfar_write(volatile unsigned __iomem *addr, u32 val) -{ - out_be32(addr, val); -} - -extern irqreturn_t gfar_receive(int irq, void *dev_id); -extern int startup_gfar(struct net_device *dev); -extern void stop_gfar(struct net_device *dev); -extern void gfar_halt(struct net_device *dev); -extern void gfar_phy_test(struct mii_bus *bus, struct phy_device *phydev, - int enable, u32 regnum, u32 read); -void gfar_init_sysfs(struct net_device *dev); - -#endif /* __GIANFAR_H */ |