Merge with git://www.denx.de/git/u-boot.git

1 files changed, 435 insertions, 0 deletions

diff --git a/drivers/net/3c589.h b/drivers/net/3c589.h
new file mode 100644
index 0000000..6735bf9
--- /dev/null
+++ b/drivers/net/3c589.h
@@ -0,0 +1,435 @@
+/*
+ * Copyright (c) 1993 Herb Peyerl (hpeyerl@novatel.ca) All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer. 2. The name
+ * of the author may not be used to endorse or promote products derived from
+ * this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ October 2, 1994
+
+ Modified by: Andres Vega Garcia
+
+ INRIA - Sophia Antipolis, France
+ e-mail: avega@sophia.inria.fr
+ finger: avega@pax.inria.fr
+
+ */
+
+/*
+ * Created from if_epreg.h by Fred Gray (fgray@rice.edu) to support the
+ * 3c590 family.
+ */
+
+/*
+ * Modified by Shusuke Nisiyama <shu@athena.qe.eng.hokudai.ac.jp>
+ * for etherboot
+ * Mar. 14, 2000
+*/
+
+/*
+ * Ethernet software status per interface.
+ */
+
+/*
+ * Some global constants
+ */
+
+#define TX_INIT_RATE         16
+#define TX_INIT_MAX_RATE     64
+#define RX_INIT_LATENCY      64
+#define RX_INIT_EARLY_THRESH 64
+#define MIN_RX_EARLY_THRESHF   16 /* not less than ether_header */
+#define MIN_RX_EARLY_THRESHL   4
+
+#define EEPROMSIZE      0x40
+#define MAX_EEPROMBUSY  1000
+#define VX_LAST_TAG     0xd7
+#define VX_MAX_BOARDS   16
+#define VX_ID_PORT      0x100
+
+/*
+ * some macros to acces long named fields
+ */
+#define BASE 	(EL_BASE_ADDR)
+
+/*
+ * Commands to read/write EEPROM trough EEPROM command register (Window 0,
+ * Offset 0xa)
+ */
+#define EEPROM_CMD_RD    0x0080	/* Read:  Address required (5 bits) */
+#define EEPROM_CMD_WR    0x0040	/* Write: Address required (5 bits) */
+#define EEPROM_CMD_ERASE 0x00c0	/* Erase: Address required (5 bits) */
+#define EEPROM_CMD_EWEN  0x0030	/* Erase/Write Enable: No data required */
+
+#define EEPROM_BUSY		(1<<15)
+
+/*
+ * Some short functions, worth to let them be a macro
+ */
+
+/**************************************************************************
+ *									  *
+ * These define the EEPROM data structure.  They are used in the probe
+ * function to verify the existence of the adapter after having sent
+ * the ID_Sequence.
+ *
+ * There are others but only the ones we use are defined here.
+ *
+ **************************************************************************/
+
+#define EEPROM_NODE_ADDR_0	0x0	/* Word */
+#define EEPROM_NODE_ADDR_1	0x1	/* Word */
+#define EEPROM_NODE_ADDR_2	0x2	/* Word */
+#define EEPROM_PROD_ID		0x3	/* 0x9[0-f]50 */
+#define EEPROM_MFG_ID		0x7	/* 0x6d50 */
+#define EEPROM_ADDR_CFG		0x8	/* Base addr */
+#define EEPROM_RESOURCE_CFG	0x9	/* IRQ. Bits 12-15 */
+#define EEPROM_OEM_ADDR_0	0xa	/* Word */
+#define EEPROM_OEM_ADDR_1	0xb	/* Word */
+#define EEPROM_OEM_ADDR_2	0xc	/* Word */
+#define EEPROM_SOFT_INFO_2	0xf     /* Software information 2 */
+
+#define NO_RX_OVN_ANOMALY       (1<<5)
+
+/**************************************************************************
+ *										  *
+ * These are the registers for the 3Com 3c509 and their bit patterns when *
+ * applicable.  They have been taken out the the "EtherLink III Parallel  *
+ * Tasking EISA and ISA Technical Reference" "Beta Draft 10/30/92" manual *
+ * from 3com.								  *
+ *										  *
+ **************************************************************************/
+
+#define VX_COMMAND		0x0e	/* Write. BASE+0x0e is always a
+					 * command reg. */
+#define VX_STATUS		0x0e	/* Read. BASE+0x0e is always status
+					 * reg. */
+#define VX_WINDOW		0x0f	/* Read. BASE+0x0f is always window
+					 * reg. */
+/*
+ * Window 0 registers. Setup.
+ */
+/* Write */
+#define VX_W0_EEPROM_DATA	0x0c
+#define VX_W0_EEPROM_COMMAND	0x0a
+#define VX_W0_RESOURCE_CFG	0x08
+#define VX_W0_ADDRESS_CFG	0x06
+#define VX_W0_CONFIG_CTRL	0x04
+	/* Read */
+#define VX_W0_PRODUCT_ID	0x02
+#define VX_W0_MFG_ID		0x00
+
+
+/*
+ * Window 1 registers. Operating Set.
+ */
+/* Write */
+#define VX_W1_TX_PIO_WR_2	0x02
+#define VX_W1_TX_PIO_WR_1	0x00
+/* Read */
+#define VX_W1_FREE_TX		0x0c
+#define VX_W1_TX_STATUS		0x0b	/* byte */
+#define VX_W1_TIMER		0x0a	/* byte */
+#define VX_W1_RX_STATUS		0x08
+#define VX_W1_RX_PIO_RD_2	0x02
+#define VX_W1_RX_PIO_RD_1	0x00
+
+/*
+ * Window 2 registers. Station Address Setup/Read
+ */
+/* Read/Write */
+#define VX_W2_ADDR_5		0x05
+#define VX_W2_ADDR_4		0x04
+#define VX_W2_ADDR_3		0x03
+#define VX_W2_ADDR_2		0x02
+#define VX_W2_ADDR_1		0x01
+#define VX_W2_ADDR_0		0x00
+
+/*
+ * Window 3 registers. FIFO Management.
+ */
+/* Read */
+#define VX_W3_INTERNAL_CFG	0x00
+#define VX_W3_RESET_OPT		0x08
+#define VX_W3_FREE_TX		0x0c
+#define VX_W3_FREE_RX		0x0a
+
+/*
+ * Window 4 registers. Diagnostics.
+ */
+/* Read/Write */
+#define VX_W4_MEDIA_TYPE	0x0a
+#define VX_W4_CTRLR_STATUS	0x08
+#define VX_W4_NET_DIAG		0x06
+#define VX_W4_FIFO_DIAG		0x04
+#define VX_W4_HOST_DIAG		0x02
+#define VX_W4_TX_DIAG		0x00
+
+/*
+ * Window 5 Registers.  Results and Internal status.
+ */
+/* Read */
+#define VX_W5_READ_0_MASK	0x0c
+#define VX_W5_INTR_MASK		0x0a
+#define VX_W5_RX_FILTER		0x08
+#define VX_W5_RX_EARLY_THRESH	0x06
+#define VX_W5_TX_AVAIL_THRESH	0x02
+#define VX_W5_TX_START_THRESH	0x00
+
+/*
+ * Window 6 registers. Statistics.
+ */
+/* Read/Write */
+#define TX_TOTAL_OK		0x0c
+#define RX_TOTAL_OK		0x0a
+#define TX_DEFERRALS		0x08
+#define RX_FRAMES_OK		0x07
+#define TX_FRAMES_OK		0x06
+#define RX_OVERRUNS		0x05
+#define TX_COLLISIONS		0x04
+#define TX_AFTER_1_COLLISION	0x03
+#define TX_AFTER_X_COLLISIONS	0x02
+#define TX_NO_SQE		0x01
+#define TX_CD_LOST		0x00
+
+/****************************************
+ *
+ * Register definitions.
+ *
+ ****************************************/
+
+/*
+ * Command register. All windows.
+ *
+ * 16 bit register.
+ *     15-11:  5-bit code for command to be executed.
+ *     10-0:   11-bit arg if any. For commands with no args;
+ *	      this can be set to anything.
+ */
+#define GLOBAL_RESET		(unsigned short) 0x0000	/* Wait at least 1ms
+							 * after issuing */
+#define WINDOW_SELECT		(unsigned short) (0x1<<11)
+#define START_TRANSCEIVER	(unsigned short) (0x2<<11)	/* Read ADDR_CFG reg to
+							 * determine whether
+							 * this is needed. If
+							 * so; wait 800 uSec
+							 * before using trans-
+							 * ceiver. */
+#define RX_DISABLE		(unsigned short) (0x3<<11)	/* state disabled on
+							 * power-up */
+#define RX_ENABLE		(unsigned short) (0x4<<11)
+#define RX_RESET		(unsigned short) (0x5<<11)
+#define RX_DISCARD_TOP_PACK	(unsigned short) (0x8<<11)
+#define TX_ENABLE		(unsigned short) (0x9<<11)
+#define TX_DISABLE		(unsigned short) (0xa<<11)
+#define TX_RESET		(unsigned short) (0xb<<11)
+#define REQ_INTR		(unsigned short) (0xc<<11)
+/*
+ * The following C_* acknowledge the various interrupts. Some of them don't
+ * do anything.  See the manual.
+ */
+#define ACK_INTR		(unsigned short) (0x6800)
+#	define C_INTR_LATCH	(unsigned short) (ACK_INTR|0x1)
+#	define C_CARD_FAILURE	(unsigned short) (ACK_INTR|0x2)
+#	define C_TX_COMPLETE	(unsigned short) (ACK_INTR|0x4)
+#	define C_TX_AVAIL	(unsigned short) (ACK_INTR|0x8)
+#	define C_RX_COMPLETE	(unsigned short) (ACK_INTR|0x10)
+#	define C_RX_EARLY	(unsigned short) (ACK_INTR|0x20)
+#	define C_INT_RQD		(unsigned short) (ACK_INTR|0x40)
+#	define C_UPD_STATS	(unsigned short) (ACK_INTR|0x80)
+#define SET_INTR_MASK		(unsigned short) (0xe<<11)
+#define SET_RD_0_MASK		(unsigned short) (0xf<<11)
+#define SET_RX_FILTER		(unsigned short) (0x10<<11)
+#	define FIL_INDIVIDUAL	(unsigned short) (0x1)
+#	define FIL_MULTICAST     (unsigned short) (0x02)
+#	define FIL_BRDCST        (unsigned short) (0x04)
+#	define FIL_PROMISC       (unsigned short) (0x08)
+#define SET_RX_EARLY_THRESH	(unsigned short) (0x11<<11)
+#define SET_TX_AVAIL_THRESH	(unsigned short) (0x12<<11)
+#define SET_TX_START_THRESH	(unsigned short) (0x13<<11)
+#define STATS_ENABLE		(unsigned short) (0x15<<11)
+#define STATS_DISABLE		(unsigned short) (0x16<<11)
+#define STOP_TRANSCEIVER	(unsigned short) (0x17<<11)
+
+/*
+ * Status register. All windows.
+ *
+ *     15-13:  Window number(0-7).
+ *     12:     Command_in_progress.
+ *     11:     reserved.
+ *     10:     reserved.
+ *     9:      reserved.
+ *     8:      reserved.
+ *     7:      Update Statistics.
+ *     6:      Interrupt Requested.
+ *     5:      RX Early.
+ *     4:      RX Complete.
+ *     3:      TX Available.
+ *     2:      TX Complete.
+ *     1:      Adapter Failure.
+ *     0:      Interrupt Latch.
+ */
+#define S_INTR_LATCH		(unsigned short) (0x1)
+#define S_CARD_FAILURE		(unsigned short) (0x2)
+#define S_TX_COMPLETE		(unsigned short) (0x4)
+#define S_TX_AVAIL		(unsigned short) (0x8)
+#define S_RX_COMPLETE		(unsigned short) (0x10)
+#define S_RX_EARLY		(unsigned short) (0x20)
+#define S_INT_RQD		(unsigned short) (0x40)
+#define S_UPD_STATS		(unsigned short) (0x80)
+#define S_COMMAND_IN_PROGRESS	(unsigned short) (0x1000)
+
+#define VX_BUSY_WAIT while (inw(BASE + VX_STATUS) & S_COMMAND_IN_PROGRESS)
+
+/* Address Config. Register.
+ * Window 0/Port 06
+ */
+
+#define ACF_CONNECTOR_BITS	14
+#define ACF_CONNECTOR_UTP	0
+#define ACF_CONNECTOR_AUI	1
+#define ACF_CONNECTOR_BNC	3
+
+#define INTERNAL_CONNECTOR_BITS 20
+#define INTERNAL_CONNECTOR_MASK 0x01700000
+
+/*
+ * FIFO Registers. RX Status.
+ *
+ *     15:     Incomplete or FIFO empty.
+ *     14:     1: Error in RX Packet   0: Incomplete or no error.
+ *     13-11:  Type of error.
+ *	      1000 = Overrun.
+ *	      1011 = Run Packet Error.
+ *	      1100 = Alignment Error.
+ *	      1101 = CRC Error.
+ *	      1001 = Oversize Packet Error (>1514 bytes)
+ *	      0010 = Dribble Bits.
+ *	      (all other error codes, no errors.)
+ *
+ *     10-0:   RX Bytes (0-1514)
+ */
+#define ERR_INCOMPLETE  (unsigned short) (0x8000)
+#define ERR_RX          (unsigned short) (0x4000)
+#define ERR_MASK        (unsigned short) (0x7800)
+#define ERR_OVERRUN     (unsigned short) (0x4000)
+#define ERR_RUNT        (unsigned short) (0x5800)
+#define ERR_ALIGNMENT   (unsigned short) (0x6000)
+#define ERR_CRC         (unsigned short) (0x6800)
+#define ERR_OVERSIZE    (unsigned short) (0x4800)
+#define ERR_DRIBBLE     (unsigned short) (0x1000)
+
+/*
+ * TX Status.
+ *
+ *   Reports the transmit status of a completed transmission. Writing this
+ *   register pops the transmit completion stack.
+ *
+ *   Window 1/Port 0x0b.
+ *
+ *     7:      Complete
+ *     6:      Interrupt on successful transmission requested.
+ *     5:      Jabber Error (TP Only, TX Reset required. )
+ *     4:      Underrun (TX Reset required. )
+ *     3:      Maximum Collisions.
+ *     2:      TX Status Overflow.
+ *     1-0:    Undefined.
+ *
+ */
+#define TXS_COMPLETE		0x80
+#define TXS_INTR_REQ		0x40
+#define TXS_JABBER		0x20
+#define TXS_UNDERRUN		0x10
+#define TXS_MAX_COLLISION	0x8
+#define TXS_STATUS_OVERFLOW	0x4
+
+#define RS_AUI			(1<<5)
+#define RS_BNC			(1<<4)
+#define RS_UTP			(1<<3)
+#define	RS_T4			(1<<0)
+#define	RS_TX			(1<<1)
+#define	RS_FX			(1<<2)
+#define	RS_MII			(1<<6)
+
+
+/*
+ * FIFO Status (Window 4)
+ *
+ *   Supports FIFO diagnostics
+ *
+ *   Window 4/Port 0x04.1
+ *
+ *     15:	1=RX receiving (RO). Set when a packet is being received
+ *		into the RX FIFO.
+ *     14:	Reserved
+ *     13:	1=RX underrun (RO). Generates Adapter Failure interrupt.
+ *		Requires RX Reset or Global Reset command to recover.
+ *		It is generated when you read past the end of a packet -
+ *		reading past what has been received so far will give bad
+ *		data.
+ *     12:	1=RX status overrun (RO). Set when there are already 8
+ *		packets in the RX FIFO. While this bit is set, no additional
+ *		packets are received. Requires no action on the part of
+ *		the host. The condition is cleared once a packet has been
+ *		read out of the RX FIFO.
+ *     11:	1=RX overrun (RO). Set when the RX FIFO is full (there
+ *		may not be an overrun packet yet). While this bit is set,
+ *		no additional packets will be received (some additional
+ *		bytes can still be pending between the wire and the RX
+ *		FIFO). Requires no action on the part of the host. The
+ *		condition is cleared once a few bytes have been read out
+ *		from the RX FIFO.
+ *     10:	1=TX overrun (RO). Generates adapter failure interrupt.
+ *		Requires TX Reset or Global Reset command to recover.
+ *		Disables Transmitter.
+ *     9-8:	Unassigned.
+ *     7-0:	Built in self test bits for the RX and TX FIFO's.
+ */
+#define FIFOS_RX_RECEIVING	(unsigned short) 0x8000
+#define FIFOS_RX_UNDERRUN	(unsigned short) 0x2000
+#define FIFOS_RX_STATUS_OVERRUN	(unsigned short) 0x1000
+#define FIFOS_RX_OVERRUN	(unsigned short) 0x0800
+#define FIFOS_TX_OVERRUN	(unsigned short) 0x0400
+
+/*
+ * Misc defines for various things.
+ */
+#define TAG_ADAPTER                     0xd0
+#define ACTIVATE_ADAPTER_TO_CONFIG      0xff
+#define ENABLE_DRQ_IRQ                  0x0001
+#define MFG_ID                          0x506d  /* `TCM' */
+#define PROD_ID                         0x5090
+#define GO_WINDOW(x)		outw(WINDOW_SELECT|(x),BASE+VX_COMMAND)
+#define JABBER_GUARD_ENABLE	0x40
+#define LINKBEAT_ENABLE		0x80
+#define	ENABLE_UTP		(JABBER_GUARD_ENABLE | LINKBEAT_ENABLE)
+#define DISABLE_UTP		0x0
+#define RX_BYTES_MASK		(unsigned short) (0x07ff)
+#define RX_ERROR        0x4000
+#define RX_INCOMPLETE   0x8000
+#define TX_INDICATE		1<<15
+#define is_eeprom_busy(b)	(inw((b)+VX_W0_EEPROM_COMMAND)&EEPROM_BUSY)
+
+#define	VX_IOSIZE	0x20
+
+#define VX_CONNECTORS 8
+
+/*
+ * Local variables:
+ *  c-basic-offset: 8
+ * End:
+ */