1 /* 2 3 Ported to U-Boot by Christian Pellegrin <chri@ascensit.com> 4 5 Based on sources from the Linux kernel (pcnet_cs.c, 8390.h) and 6 eCOS(if_dp83902a.c, if_dp83902a.h). Both of these 2 wonderful world 7 are GPL, so this is, of course, GPL. 8 9 */ 10 11 /* Generic NS8390 register definitions. */ 12 /* This file is part of Donald Becker's 8390 drivers, and is distributed 13 under the same license. Auto-loading of 8390.o only in v2.2 - Paul G. 14 Some of these names and comments originated from the Crynwr 15 packet drivers, which are distributed under the GPL. */ 16 17 #ifndef _8390_h 18 #define _8390_h 19 20 /* Some generic ethernet register configurations. */ 21 #define E8390_TX_IRQ_MASK 0xa /* For register EN0_ISR */ 22 #define E8390_RX_IRQ_MASK 0x5 23 #define E8390_RXCONFIG 0x4 /* EN0_RXCR: broadcasts, no multicast,errors */ 24 #define E8390_RXOFF 0x20 /* EN0_RXCR: Accept no packets */ 25 #define E8390_TXCONFIG 0x00 /* EN0_TXCR: Normal transmit mode */ 26 #define E8390_TXOFF 0x02 /* EN0_TXCR: Transmitter off */ 27 28 /* Register accessed at EN_CMD, the 8390 base addr. */ 29 #define E8390_STOP 0x01 /* Stop and reset the chip */ 30 #define E8390_START 0x02 /* Start the chip, clear reset */ 31 #define E8390_TRANS 0x04 /* Transmit a frame */ 32 #define E8390_RREAD 0x08 /* Remote read */ 33 #define E8390_RWRITE 0x10 /* Remote write */ 34 #define E8390_NODMA 0x20 /* Remote DMA */ 35 #define E8390_PAGE0 0x00 /* Select page chip registers */ 36 #define E8390_PAGE1 0x40 /* using the two high-order bits */ 37 #define E8390_PAGE2 0x80 /* Page 3 is invalid. */ 38 39 /* 40 * Only generate indirect loads given a machine that needs them. 41 * - removed AMIGA_PCMCIA from this list, handled as ISA io now 42 */ 43 44 #define n2k_inb(port) (*((volatile unsigned char *)(port+CONFIG_DRIVER_NE2000_BASE))) 45 #define n2k_outb(val,port) (*((volatile unsigned char *)(port+CONFIG_DRIVER_NE2000_BASE)) = val) 46 47 #define EI_SHIFT(x) (x) 48 49 #define E8390_CMD EI_SHIFT(0x00) /* The command register (for all pages) */ 50 /* Page 0 register offsets. */ 51 #define EN0_CLDALO EI_SHIFT(0x01) /* Low byte of current local dma addr RD */ 52 #define EN0_STARTPG EI_SHIFT(0x01) /* Starting page of ring bfr WR */ 53 #define EN0_CLDAHI EI_SHIFT(0x02) /* High byte of current local dma addr RD */ 54 #define EN0_STOPPG EI_SHIFT(0x02) /* Ending page +1 of ring bfr WR */ 55 #define EN0_BOUNDARY EI_SHIFT(0x03) /* Boundary page of ring bfr RD WR */ 56 #define EN0_TSR EI_SHIFT(0x04) /* Transmit status reg RD */ 57 #define EN0_TPSR EI_SHIFT(0x04) /* Transmit starting page WR */ 58 #define EN0_NCR EI_SHIFT(0x05) /* Number of collision reg RD */ 59 #define EN0_TCNTLO EI_SHIFT(0x05) /* Low byte of tx byte count WR */ 60 #define EN0_FIFO EI_SHIFT(0x06) /* FIFO RD */ 61 #define EN0_TCNTHI EI_SHIFT(0x06) /* High byte of tx byte count WR */ 62 #define EN0_ISR EI_SHIFT(0x07) /* Interrupt status reg RD WR */ 63 #define EN0_CRDALO EI_SHIFT(0x08) /* low byte of current remote dma address RD */ 64 #define EN0_RSARLO EI_SHIFT(0x08) /* Remote start address reg 0 */ 65 #define EN0_CRDAHI EI_SHIFT(0x09) /* high byte, current remote dma address RD */ 66 #define EN0_RSARHI EI_SHIFT(0x09) /* Remote start address reg 1 */ 67 #define EN0_RCNTLO EI_SHIFT(0x0a) /* Remote byte count reg WR */ 68 #define EN0_RCNTHI EI_SHIFT(0x0b) /* Remote byte count reg WR */ 69 #define EN0_RSR EI_SHIFT(0x0c) /* rx status reg RD */ 70 #define EN0_RXCR EI_SHIFT(0x0c) /* RX configuration reg WR */ 71 #define EN0_TXCR EI_SHIFT(0x0d) /* TX configuration reg WR */ 72 #define EN0_COUNTER0 EI_SHIFT(0x0d) /* Rcv alignment error counter RD */ 73 #define EN0_DCFG EI_SHIFT(0x0e) /* Data configuration reg WR */ 74 #define EN0_COUNTER1 EI_SHIFT(0x0e) /* Rcv CRC error counter RD */ 75 #define EN0_IMR EI_SHIFT(0x0f) /* Interrupt mask reg WR */ 76 #define EN0_COUNTER2 EI_SHIFT(0x0f) /* Rcv missed frame error counter RD */ 77 78 /* Bits in EN0_ISR - Interrupt status register */ 79 #define ENISR_RX 0x01 /* Receiver, no error */ 80 #define ENISR_TX 0x02 /* Transmitter, no error */ 81 #define ENISR_RX_ERR 0x04 /* Receiver, with error */ 82 #define ENISR_TX_ERR 0x08 /* Transmitter, with error */ 83 #define ENISR_OVER 0x10 /* Receiver overwrote the ring */ 84 #define ENISR_COUNTERS 0x20 /* Counters need emptying */ 85 #define ENISR_RDC 0x40 /* remote dma complete */ 86 #define ENISR_RESET 0x80 /* Reset completed */ 87 #define ENISR_ALL 0x3f /* Interrupts we will enable */ 88 89 /* Bits in EN0_DCFG - Data config register */ 90 #define ENDCFG_WTS 0x01 /* word transfer mode selection */ 91 #define ENDCFG_BOS 0x02 /* byte order selection */ 92 #define ENDCFG_AUTO_INIT 0x10 /* Auto-init to remove packets from ring */ 93 #define ENDCFG_FIFO 0x40 /* 8 bytes */ 94 95 /* Page 1 register offsets. */ 96 #define EN1_PHYS EI_SHIFT(0x01) /* This board's physical enet addr RD WR */ 97 #define EN1_PHYS_SHIFT(i) EI_SHIFT(i+1) /* Get and set mac address */ 98 #define EN1_CURPAG EI_SHIFT(0x07) /* Current memory page RD WR */ 99 #define EN1_MULT EI_SHIFT(0x08) /* Multicast filter mask array (8 bytes) RD WR */ 100 #define EN1_MULT_SHIFT(i) EI_SHIFT(8+i) /* Get and set multicast filter */ 101 102 /* Bits in received packet status byte and EN0_RSR*/ 103 #define ENRSR_RXOK 0x01 /* Received a good packet */ 104 #define ENRSR_CRC 0x02 /* CRC error */ 105 #define ENRSR_FAE 0x04 /* frame alignment error */ 106 #define ENRSR_FO 0x08 /* FIFO overrun */ 107 #define ENRSR_MPA 0x10 /* missed pkt */ 108 #define ENRSR_PHY 0x20 /* physical/multicast address */ 109 #define ENRSR_DIS 0x40 /* receiver disable. set in monitor mode */ 110 #define ENRSR_DEF 0x80 /* deferring */ 111 112 /* Transmitted packet status, EN0_TSR. */ 113 #define ENTSR_PTX 0x01 /* Packet transmitted without error */ 114 #define ENTSR_ND 0x02 /* The transmit wasn't deferred. */ 115 #define ENTSR_COL 0x04 /* The transmit collided at least once. */ 116 #define ENTSR_ABT 0x08 /* The transmit collided 16 times, and was deferred. */ 117 #define ENTSR_CRS 0x10 /* The carrier sense was lost. */ 118 #define ENTSR_FU 0x20 /* A "FIFO underrun" occurred during transmit. */ 119 #define ENTSR_CDH 0x40 /* The collision detect "heartbeat" signal was lost. */ 120 #define ENTSR_OWC 0x80 /* There was an out-of-window collision. */ 121 122 #define NIC_RECEIVE_MONITOR_MODE 0x20 123 124 #endif /* _8390_h */ 125