/*------------------------------------------------------------------------ * lan91c96.h * * (C) Copyright 2002 * Sysgo Real-Time Solutions, GmbH <www.elinos.com> * Rolf Offermanns <rof@sysgo.de> * Copyright (C) 2001 Standard Microsystems Corporation (SMSC) * Developed by Simple Network Magic Corporation (SNMC) * Copyright (C) 1996 by Erik Stahlman (ES) * * 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 * * This file contains register information and access macros for * the LAN91C96 single chip ethernet controller. It is a modified * version of the smc9111.h file. * * Information contained in this file was obtained from the LAN91C96 * manual from SMC. To get a copy, if you really want one, you can find * information under www.smsc.com. * * Authors * Erik Stahlman ( erik@vt.edu ) * Daris A Nevil ( dnevil@snmc.com ) * * History * 04/30/03 Mathijs Haarman Modified smc91111.h (u-boot version) * for lan91c96 *------------------------------------------------------------------------- */ #ifndef _LAN91C96_H_ #define _LAN91C96_H_ #include <asm/types.h> #include <asm/io.h> #include <config.h> /* * This function may be called by the board specific initialisation code * in order to override the default mac address. */ void smc_set_mac_addr(const unsigned char *addr); /* I want some simple types */ typedef unsigned char byte; typedef unsigned short word; typedef unsigned long int dword; /* * DEBUGGING LEVELS * * 0 for normal operation * 1 for slightly more details * >2 for various levels of increasingly useless information * 2 for interrupt tracking, status flags * 3 for packet info * 4 for complete packet dumps */ /*#define SMC_DEBUG 0 */ /* Because of bank switching, the LAN91xxx uses only 16 I/O ports */ #define SMC_IO_EXTENT 16 #ifdef CONFIG_PXA250 #ifdef CONFIG_LUBBOCK #define SMC_IO_SHIFT 2 #undef USE_32_BIT #else #define SMC_IO_SHIFT 0 #endif #define SMCREG(r) (SMC_BASE_ADDRESS+((r)<<SMC_IO_SHIFT)) #define SMC_inl(r) (*((volatile dword *)SMCREG(r))) #define SMC_inw(r) (*((volatile word *)SMCREG(r))) #define SMC_inb(p) ({ \ unsigned int __p = p; \ unsigned int __v = SMC_inw(__p & ~1); \ if (__p & 1) __v >>= 8; \ else __v &= 0xff; \ __v; }) #define SMC_outl(d,r) (*((volatile dword *)SMCREG(r)) = d) #define SMC_outw(d,r) (*((volatile word *)SMCREG(r)) = d) #define SMC_outb(d,r) ({ word __d = (byte)(d); \ word __w = SMC_inw((r)&~1); \ __w &= ((r)&1) ? 0x00FF : 0xFF00; \ __w |= ((r)&1) ? __d<<8 : __d; \ SMC_outw(__w,(r)&~1); \ }) #define SMC_outsl(r,b,l) ({ int __i; \ dword *__b2; \ __b2 = (dword *) b; \ for (__i = 0; __i < l; __i++) { \ SMC_outl( *(__b2 + __i), r ); \ } \ }) #define SMC_outsw(r,b,l) ({ int __i; \ word *__b2; \ __b2 = (word *) b; \ for (__i = 0; __i < l; __i++) { \ SMC_outw( *(__b2 + __i), r ); \ } \ }) #define SMC_insl(r,b,l) ({ int __i ; \ dword *__b2; \ __b2 = (dword *) b; \ for (__i = 0; __i < l; __i++) { \ *(__b2 + __i) = SMC_inl(r); \ SMC_inl(0); \ }; \ }) #define SMC_insw(r,b,l) ({ int __i ; \ word *__b2; \ __b2 = (word *) b; \ for (__i = 0; __i < l; __i++) { \ *(__b2 + __i) = SMC_inw(r); \ SMC_inw(0); \ }; \ }) #define SMC_insb(r,b,l) ({ int __i ; \ byte *__b2; \ __b2 = (byte *) b; \ for (__i = 0; __i < l; __i++) { \ *(__b2 + __i) = SMC_inb(r); \ SMC_inb(0); \ }; \ }) #else /* if not CONFIG_PXA250 */ /* * We have only 16 Bit PCMCIA access on Socket 0 */ #define SMC_inw(r) (*((volatile word *)(SMC_BASE_ADDRESS+(r)))) #define SMC_inb(r) (((r)&1) ? SMC_inw((r)&~1)>>8 : SMC_inw(r)&0xFF) #define SMC_outw(d,r) (*((volatile word *)(SMC_BASE_ADDRESS+(r))) = d) #define SMC_outb(d,r) ({ word __d = (byte)(d); \ word __w = SMC_inw((r)&~1); \ __w &= ((r)&1) ? 0x00FF : 0xFF00; \ __w |= ((r)&1) ? __d<<8 : __d; \ SMC_outw(__w,(r)&~1); \ }) #if 0 #define SMC_outsw(r,b,l) outsw(SMC_BASE_ADDRESS+(r), (b), (l)) #else #define SMC_outsw(r,b,l) ({ int __i; \ word *__b2; \ __b2 = (word *) b; \ for (__i = 0; __i < l; __i++) { \ SMC_outw( *(__b2 + __i), r); \ } \ }) #endif #if 0 #define SMC_insw(r,b,l) insw(SMC_BASE_ADDRESS+(r), (b), (l)) #else #define SMC_insw(r,b,l) ({ int __i ; \ word *__b2; \ __b2 = (word *) b; \ for (__i = 0; __i < l; __i++) { \ *(__b2 + __i) = SMC_inw(r); \ SMC_inw(0); \ }; \ }) #endif #endif /* **************************************************************************** * Bank Select Field **************************************************************************** */ #define LAN91C96_BANK_SELECT 14 /* Bank Select Register */ #define LAN91C96_BANKSELECT (0x3UC << 0) #define BANK0 0x00 #define BANK1 0x01 #define BANK2 0x02 #define BANK3 0x03 #define BANK4 0x04 /* **************************************************************************** * EEPROM Addresses. **************************************************************************** */ #define EEPROM_MAC_OFFSET_1 0x6020 #define EEPROM_MAC_OFFSET_2 0x6021 #define EEPROM_MAC_OFFSET_3 0x6022 /* **************************************************************************** * Bank 0 Register Map in I/O Space **************************************************************************** */ #define LAN91C96_TCR 0 /* Transmit Control Register */ #define LAN91C96_EPH_STATUS 2 /* EPH Status Register */ #define LAN91C96_RCR 4 /* Receive Control Register */ #define LAN91C96_COUNTER 6 /* Counter Register */ #define LAN91C96_MIR 8 /* Memory Information Register */ #define LAN91C96_MCR 10 /* Memory Configuration Register */ /* **************************************************************************** * Transmit Control Register - Bank 0 - Offset 0 **************************************************************************** */ #define LAN91C96_TCR_TXENA (0x1U << 0) #define LAN91C96_TCR_LOOP (0x1U << 1) #define LAN91C96_TCR_FORCOL (0x1U << 2) #define LAN91C96_TCR_TXP_EN (0x1U << 3) #define LAN91C96_TCR_PAD_EN (0x1U << 7) #define LAN91C96_TCR_NOCRC (0x1U << 8) #define LAN91C96_TCR_MON_CSN (0x1U << 10) #define LAN91C96_TCR_FDUPLX (0x1U << 11) #define LAN91C96_TCR_STP_SQET (0x1U << 12) #define LAN91C96_TCR_EPH_LOOP (0x1U << 13) #define LAN91C96_TCR_ETEN_TYPE (0x1U << 14) #define LAN91C96_TCR_FDSE (0x1U << 15) /* **************************************************************************** * EPH Status Register - Bank 0 - Offset 2 **************************************************************************** */ #define LAN91C96_EPHSR_TX_SUC (0x1U << 0) #define LAN91C96_EPHSR_SNGL_COL (0x1U << 1) #define LAN91C96_EPHSR_MUL_COL (0x1U << 2) #define LAN91C96_EPHSR_LTX_MULT (0x1U << 3) #define LAN91C96_EPHSR_16COL (0x1U << 4) #define LAN91C96_EPHSR_SQET (0x1U << 5) #define LAN91C96_EPHSR_LTX_BRD (0x1U << 6) #define LAN91C96_EPHSR_TX_DEFR (0x1U << 7) #define LAN91C96_EPHSR_WAKEUP (0x1U << 8) #define LAN91C96_EPHSR_LATCOL (0x1U << 9) #define LAN91C96_EPHSR_LOST_CARR (0x1U << 10) #define LAN91C96_EPHSR_EXC_DEF (0x1U << 11) #define LAN91C96_EPHSR_CTR_ROL (0x1U << 12) #define LAN91C96_EPHSR_LINK_OK (0x1U << 14) #define LAN91C96_EPHSR_TX_UNRN (0x1U << 15) #define LAN91C96_EPHSR_ERRORS (LAN91C96_EPHSR_SNGL_COL | \ LAN91C96_EPHSR_MUL_COL | \ LAN91C96_EPHSR_16COL | \ LAN91C96_EPHSR_SQET | \ LAN91C96_EPHSR_TX_DEFR | \ LAN91C96_EPHSR_LATCOL | \ LAN91C96_EPHSR_LOST_CARR | \ LAN91C96_EPHSR_EXC_DEF | \ LAN91C96_EPHSR_LINK_OK | \ LAN91C96_EPHSR_TX_UNRN) /* **************************************************************************** * Receive Control Register - Bank 0 - Offset 4 **************************************************************************** */ #define LAN91C96_RCR_RX_ABORT (0x1U << 0) #define LAN91C96_RCR_PRMS (0x1U << 1) #define LAN91C96_RCR_ALMUL (0x1U << 2) #define LAN91C96_RCR_RXEN (0x1U << 8) #define LAN91C96_RCR_STRIP_CRC (0x1U << 9) #define LAN91C96_RCR_FILT_CAR (0x1U << 14) #define LAN91C96_RCR_SOFT_RST (0x1U << 15) /* **************************************************************************** * Counter Register - Bank 0 - Offset 6 **************************************************************************** */ #define LAN91C96_ECR_SNGL_COL (0xFU << 0) #define LAN91C96_ECR_MULT_COL (0xFU << 5) #define LAN91C96_ECR_DEF_TX (0xFU << 8) #define LAN91C96_ECR_EXC_DEF_TX (0xFU << 12) /* **************************************************************************** * Memory Information Register - Bank 0 - OFfset 8 **************************************************************************** */ #define LAN91C96_MIR_SIZE (0x18 << 0) /* 6144 bytes */ /* **************************************************************************** * Memory Configuration Register - Bank 0 - Offset 10 **************************************************************************** */ #define LAN91C96_MCR_MEM_RES (0xFFU << 0) #define LAN91C96_MCR_MEM_MULT (0x3U << 9) #define LAN91C96_MCR_HIGH_ID (0x3U << 12) #define LAN91C96_MCR_TRANSMIT_PAGES 0x6 /* **************************************************************************** * Bank 1 Register Map in I/O Space **************************************************************************** */ #define LAN91C96_CONFIG 0 /* Configuration Register */ #define LAN91C96_BASE 2 /* Base Address Register */ #define LAN91C96_IA0 4 /* Individual Address Register - 0 */ #define LAN91C96_IA1 5 /* Individual Address Register - 1 */ #define LAN91C96_IA2 6 /* Individual Address Register - 2 */ #define LAN91C96_IA3 7 /* Individual Address Register - 3 */ #define LAN91C96_IA4 8 /* Individual Address Register - 4 */ #define LAN91C96_IA5 9 /* Individual Address Register - 5 */ #define LAN91C96_GEN_PURPOSE 10 /* General Address Registers */ #define LAN91C96_CONTROL 12 /* Control Register */ /* **************************************************************************** * Configuration Register - Bank 1 - Offset 0 **************************************************************************** */ #define LAN91C96_CR_INT_SEL0 (0x1U << 1) #define LAN91C96_CR_INT_SEL1 (0x1U << 2) #define LAN91C96_CR_RES (0x3U << 3) #define LAN91C96_CR_DIS_LINK (0x1U << 6) #define LAN91C96_CR_16BIT (0x1U << 7) #define LAN91C96_CR_AUI_SELECT (0x1U << 8) #define LAN91C96_CR_SET_SQLCH (0x1U << 9) #define LAN91C96_CR_FULL_STEP (0x1U << 10) #define LAN91C96_CR_NO_WAIT (0x1U << 12) /* **************************************************************************** * Base Address Register - Bank 1 - Offset 2 **************************************************************************** */ #define LAN91C96_BAR_RA_BITS (0x27U << 0) #define LAN91C96_BAR_ROM_SIZE (0x1U << 6) #define LAN91C96_BAR_A_BITS (0xFFU << 8) /* **************************************************************************** * Control Register - Bank 1 - Offset 12 **************************************************************************** */ #define LAN91C96_CTR_STORE (0x1U << 0) #define LAN91C96_CTR_RELOAD (0x1U << 1) #define LAN91C96_CTR_EEPROM (0x1U << 2) #define LAN91C96_CTR_TE_ENABLE (0x1U << 5) #define LAN91C96_CTR_CR_ENABLE (0x1U << 6) #define LAN91C96_CTR_LE_ENABLE (0x1U << 7) #define LAN91C96_CTR_BIT_8 (0x1U << 8) #define LAN91C96_CTR_AUTO_RELEASE (0x1U << 11) #define LAN91C96_CTR_WAKEUP_EN (0x1U << 12) #define LAN91C96_CTR_PWRDN (0x1U << 13) #define LAN91C96_CTR_RCV_BAD (0x1U << 14) /* **************************************************************************** * Bank 2 Register Map in I/O Space **************************************************************************** */ #define LAN91C96_MMU 0 /* MMU Command Register */ #define LAN91C96_AUTO_TX_START 1 /* Auto Tx Start Register */ #define LAN91C96_PNR 2 /* Packet Number Register */ #define LAN91C96_ARR 3 /* Allocation Result Register */ #define LAN91C96_FIFO 4 /* FIFO Ports Register */ #define LAN91C96_POINTER 6 /* Pointer Register */ #define LAN91C96_DATA_HIGH 8 /* Data High Register */ #define LAN91C96_DATA_LOW 10 /* Data Low Register */ #define LAN91C96_INT_STATS 12 /* Interrupt Status Register - RO */ #define LAN91C96_INT_ACK 12 /* Interrupt Acknowledge Register -WO */ #define LAN91C96_INT_MASK 13 /* Interrupt Mask Register */ /* **************************************************************************** * MMU Command Register - Bank 2 - Offset 0 **************************************************************************** */ #define LAN91C96_MMUCR_NO_BUSY (0x1U << 0) #define LAN91C96_MMUCR_N1 (0x1U << 1) #define LAN91C96_MMUCR_N2 (0x1U << 2) #define LAN91C96_MMUCR_COMMAND (0xFU << 4) #define LAN91C96_MMUCR_ALLOC_TX (0x2U << 4) /* WXYZ = 0010 */ #define LAN91C96_MMUCR_RESET_MMU (0x4U << 4) /* WXYZ = 0100 */ #define LAN91C96_MMUCR_REMOVE_RX (0x6U << 4) /* WXYZ = 0110 */ #define LAN91C96_MMUCR_REMOVE_TX (0x7U << 4) /* WXYZ = 0111 */ #define LAN91C96_MMUCR_RELEASE_RX (0x8U << 4) /* WXYZ = 1000 */ #define LAN91C96_MMUCR_RELEASE_TX (0xAU << 4) /* WXYZ = 1010 */ #define LAN91C96_MMUCR_ENQUEUE (0xCU << 4) /* WXYZ = 1100 */ #define LAN91C96_MMUCR_RESET_TX (0xEU << 4) /* WXYZ = 1110 */ /* **************************************************************************** * Auto Tx Start Register - Bank 2 - Offset 1 **************************************************************************** */ #define LAN91C96_AUTOTX (0xFFU << 0) /* **************************************************************************** * Packet Number Register - Bank 2 - Offset 2 **************************************************************************** */ #define LAN91C96_PNR_TX (0x1FU << 0) /* **************************************************************************** * Allocation Result Register - Bank 2 - Offset 3 **************************************************************************** */ #define LAN91C96_ARR_ALLOC_PN (0x7FU << 0) #define LAN91C96_ARR_FAILED (0x1U << 7) /* **************************************************************************** * FIFO Ports Register - Bank 2 - Offset 4 **************************************************************************** */ #define LAN91C96_FIFO_TX_DONE_PN (0x1FU << 0) #define LAN91C96_FIFO_TEMPTY (0x1U << 7) #define LAN91C96_FIFO_RX_DONE_PN (0x1FU << 8) #define LAN91C96_FIFO_RXEMPTY (0x1U << 15) /* **************************************************************************** * Pointer Register - Bank 2 - Offset 6 **************************************************************************** */ #define LAN91C96_PTR_LOW (0xFFU << 0) #define LAN91C96_PTR_HIGH (0x7U << 8) #define LAN91C96_PTR_AUTO_TX (0x1U << 11) #define LAN91C96_PTR_ETEN (0x1U << 12) #define LAN91C96_PTR_READ (0x1U << 13) #define LAN91C96_PTR_AUTO_INCR (0x1U << 14) #define LAN91C96_PTR_RCV (0x1U << 15) #define LAN91C96_PTR_RX_FRAME (LAN91C96_PTR_RCV | \ LAN91C96_PTR_AUTO_INCR | \ LAN91C96_PTR_READ) /* **************************************************************************** * Data Register - Bank 2 - Offset 8 **************************************************************************** */ #define LAN91C96_CONTROL_CRC (0x1U << 4) /* CRC bit */ #define LAN91C96_CONTROL_ODD (0x1U << 5) /* ODD bit */ /* **************************************************************************** * Interrupt Status Register - Bank 2 - Offset 12 **************************************************************************** */ #define LAN91C96_IST_RCV_INT (0x1U << 0) #define LAN91C96_IST_TX_INT (0x1U << 1) #define LAN91C96_IST_TX_EMPTY_INT (0x1U << 2) #define LAN91C96_IST_ALLOC_INT (0x1U << 3) #define LAN91C96_IST_RX_OVRN_INT (0x1U << 4) #define LAN91C96_IST_EPH_INT (0x1U << 5) #define LAN91C96_IST_ERCV_INT (0x1U << 6) #define LAN91C96_IST_RX_IDLE_INT (0x1U << 7) /* **************************************************************************** * Interrupt Acknowledge Register - Bank 2 - Offset 12 **************************************************************************** */ #define LAN91C96_ACK_TX_INT (0x1U << 1) #define LAN91C96_ACK_TX_EMPTY_INT (0x1U << 2) #define LAN91C96_ACK_RX_OVRN_INT (0x1U << 4) #define LAN91C96_ACK_ERCV_INT (0x1U << 6) /* **************************************************************************** * Interrupt Mask Register - Bank 2 - Offset 13 **************************************************************************** */ #define LAN91C96_MSK_RCV_INT (0x1U << 0) #define LAN91C96_MSK_TX_INT (0x1U << 1) #define LAN91C96_MSK_TX_EMPTY_INT (0x1U << 2) #define LAN91C96_MSK_ALLOC_INT (0x1U << 3) #define LAN91C96_MSK_RX_OVRN_INT (0x1U << 4) #define LAN91C96_MSK_EPH_INT (0x1U << 5) #define LAN91C96_MSK_ERCV_INT (0x1U << 6) #define LAN91C96_MSK_TX_IDLE_INT (0x1U << 7) /* **************************************************************************** * Bank 3 Register Map in I/O Space ************************************************************************** */ #define LAN91C96_MGMT_MDO (0x1U << 0) #define LAN91C96_MGMT_MDI (0x1U << 1) #define LAN91C96_MGMT_MCLK (0x1U << 2) #define LAN91C96_MGMT_MDOE (0x1U << 3) #define LAN91C96_MGMT_LOW_ID (0x3U << 4) #define LAN91C96_MGMT_IOS0 (0x1U << 8) #define LAN91C96_MGMT_IOS1 (0x1U << 9) #define LAN91C96_MGMT_IOS2 (0x1U << 10) #define LAN91C96_MGMT_nXNDEC (0x1U << 11) #define LAN91C96_MGMT_HIGH_ID (0x3U << 12) /* **************************************************************************** * Revision Register - Bank 3 - Offset 10 **************************************************************************** */ #define LAN91C96_REV_REVID (0xFU << 0) #define LAN91C96_REV_CHIPID (0xFU << 4) /* **************************************************************************** * Early RCV Register - Bank 3 - Offset 12 **************************************************************************** */ #define LAN91C96_ERCV_THRESHOLD (0x1FU << 0) #define LAN91C96_ERCV_RCV_DISCRD (0x1U << 7) /* **************************************************************************** * PCMCIA Configuration Registers **************************************************************************** */ #define LAN91C96_ECOR 0x8000 /* Ethernet Configuration Register */ #define LAN91C96_ECSR 0x8002 /* Ethernet Configuration and Status */ /* **************************************************************************** * PCMCIA Ethernet Configuration Option Register (ECOR) **************************************************************************** */ #define LAN91C96_ECOR_ENABLE (0x1U << 0) #define LAN91C96_ECOR_WR_ATTRIB (0x1U << 2) #define LAN91C96_ECOR_LEVEL_REQ (0x1U << 6) #define LAN91C96_ECOR_SRESET (0x1U << 7) /* **************************************************************************** * PCMCIA Ethernet Configuration and Status Register (ECSR) **************************************************************************** */ #define LAN91C96_ECSR_INTR (0x1U << 1) #define LAN91C96_ECSR_PWRDWN (0x1U << 2) #define LAN91C96_ECSR_IOIS8 (0x1U << 5) /* **************************************************************************** * Receive Frame Status Word - See page 38 of the LAN91C96 specification. **************************************************************************** */ #define LAN91C96_TOO_SHORT (0x1U << 10) #define LAN91C96_TOO_LONG (0x1U << 11) #define LAN91C96_ODD_FRM (0x1U << 12) #define LAN91C96_BAD_CRC (0x1U << 13) #define LAN91C96_BROD_CAST (0x1U << 14) #define LAN91C96_ALGN_ERR (0x1U << 15) #define FRAME_FILTER (LAN91C96_TOO_SHORT | LAN91C96_TOO_LONG | LAN91C96_BAD_CRC | LAN91C96_ALGN_ERR) /* **************************************************************************** * Default MAC Address **************************************************************************** */ #define MAC_DEF_HI 0x0800 #define MAC_DEF_MED 0x3333 #define MAC_DEF_LO 0x0100 /* **************************************************************************** * Default I/O Signature - 0x33 **************************************************************************** */ #define LAN91C96_LOW_SIGNATURE (0x33U << 0) #define LAN91C96_HIGH_SIGNATURE (0x33U << 8) #define LAN91C96_SIGNATURE (LAN91C96_HIGH_SIGNATURE | LAN91C96_LOW_SIGNATURE) #define LAN91C96_MAX_PAGES 6 /* Maximum number of 256 pages. */ #define ETHERNET_MAX_LENGTH 1514 /*------------------------------------------------------------------------- * I define some macros to make it easier to do somewhat common * or slightly complicated, repeated tasks. *------------------------------------------------------------------------- */ /* select a register bank, 0 to 3 */ #define SMC_SELECT_BANK(x) { SMC_outw( x, LAN91C96_BANK_SELECT ); } /* this enables an interrupt in the interrupt mask register */ #define SMC_ENABLE_INT(x) {\ unsigned char mask;\ SMC_SELECT_BANK(2);\ mask = SMC_inb( LAN91C96_INT_MASK );\ mask |= (x);\ SMC_outb( mask, LAN91C96_INT_MASK ); \ } /* this disables an interrupt from the interrupt mask register */ #define SMC_DISABLE_INT(x) {\ unsigned char mask;\ SMC_SELECT_BANK(2);\ mask = SMC_inb( LAN91C96_INT_MASK );\ mask &= ~(x);\ SMC_outb( mask, LAN91C96_INT_MASK ); \ } /*---------------------------------------------------------------------- * Define the interrupts that I want to receive from the card * * I want: * LAN91C96_IST_EPH_INT, for nasty errors * LAN91C96_IST_RCV_INT, for happy received packets * LAN91C96_IST_RX_OVRN_INT, because I have to kick the receiver *------------------------------------------------------------------------- */ #define SMC_INTERRUPT_MASK (LAN91C96_IST_EPH_INT | LAN91C96_IST_RX_OVRN_INT | LAN91C96_IST_RCV_INT) #endif /* _LAN91C96_H_ */