From b955f6ca776f3bab3d1e2c5fb1d247b203cbda14 Mon Sep 17 00:00:00 2001
From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Date: Wed, 30 Mar 2011 07:46:36 -0700
Subject: amd: Move AMD (Lance) chipset drivers

Moves the drivers for the AMD chipsets into drivers/net/ethernet/amd/
and the necessary Kconfig and Makfile changes.

The au1000 (Alchemy) driver was also moved into the same directory
even though it is not a "Lance" driver.

CC: Peter Maydell <pmaydell@chiark.greenend.org.uk>
CC: Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de>
CC: "Maciej W. Rozycki" <macro@linux-mips.org>
CC: Donald Becker <becker@scyld.com>
CC: Sam Creasey <sammy@users.qual.net>
CC: Miguel de Icaza <miguel@nuclecu.unam.mx>
CC: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
CC: Don Fry <pcnet32@frontier.com>
CC: Geert Uytterhoeven <geert@linux-m68k.org>
CC: Russell King <linux@arm.linux.org.uk>
CC: David Davies <davies@maniac.ultranet.com>
CC: "M.Hipp" <hippm@informatik.uni-tuebingen.de>
CC: Pete Popov <ppopov@embeddedalley.com>
CC: David Hinds <dahinds@users.sourceforge.net>
CC: "Roger C. Pao" <rpao@paonet.org>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---
 drivers/net/7990.h | 254 -----------------------------------------------------
 1 file changed, 254 deletions(-)
 delete mode 100644 drivers/net/7990.h

(limited to 'drivers/net/7990.h')

diff --git a/drivers/net/7990.h b/drivers/net/7990.h
deleted file mode 100644
index 0a5837b9642..00000000000
--- a/drivers/net/7990.h
+++ /dev/null
@@ -1,254 +0,0 @@
-/*
- * 7990.h -- LANCE ethernet IC generic routines.
- * This is an attempt to separate out the bits of various ethernet
- * drivers that are common because they all use the AMD 7990 LANCE
- * (Local Area Network Controller for Ethernet) chip.
- *
- * Copyright (C) 05/1998 Peter Maydell <pmaydell@chiark.greenend.org.uk>
- *
- * Most of this stuff was obtained by looking at other LANCE drivers,
- * in particular a2065.[ch]. The AMD C-LANCE datasheet was also helpful.
- */
-
-#ifndef _7990_H
-#define _7990_H
-
-/* The lance only has two register locations. We communicate mostly via memory. */
-#define LANCE_RDP	0	/* Register Data Port */
-#define LANCE_RAP	2	/* Register Address Port */
-
-/* Transmit/receive ring definitions.
- * We allow the specific drivers to override these defaults if they want to.
- * NB: according to lance.c, increasing the number of buffers is a waste
- * of space and reduces the chance that an upper layer will be able to
- * reorder queued Tx packets based on priority. [Clearly there is a minimum
- * limit too: too small and we drop rx packets and can't tx at full speed.]
- * 4+4 seems to be the usual setting; the atarilance driver uses 3 and 5.
- */
-
-/* Blast! This won't work. The problem is that we can't specify a default
- * setting because that would cause the lance_init_block struct to be
- * too long (and overflow the RAM on shared-memory cards like the HP LANCE.
- */
-#ifndef LANCE_LOG_TX_BUFFERS
-#define LANCE_LOG_TX_BUFFERS 1
-#define LANCE_LOG_RX_BUFFERS 3
-#endif
-
-#define TX_RING_SIZE (1<<LANCE_LOG_TX_BUFFERS)
-#define RX_RING_SIZE (1<<LANCE_LOG_RX_BUFFERS)
-#define TX_RING_MOD_MASK (TX_RING_SIZE - 1)
-#define RX_RING_MOD_MASK (RX_RING_SIZE - 1)
-#define TX_RING_LEN_BITS ((LANCE_LOG_TX_BUFFERS) << 29)
-#define RX_RING_LEN_BITS ((LANCE_LOG_RX_BUFFERS) << 29)
-#define PKT_BUFF_SIZE (1544)
-#define RX_BUFF_SIZE PKT_BUFF_SIZE
-#define TX_BUFF_SIZE PKT_BUFF_SIZE
-
-/* Each receive buffer is described by a receive message descriptor (RMD) */
-struct lance_rx_desc {
-	volatile unsigned short rmd0;        /* low address of packet */
-	volatile unsigned char  rmd1_bits;   /* descriptor bits */
-	volatile unsigned char  rmd1_hadr;   /* high address of packet */
-	volatile short    length;    	    /* This length is 2s complement (negative)!
-				     * Buffer length
-				     */
-	volatile unsigned short mblength;    /* Actual number of bytes received */
-};
-
-/* Ditto for TMD: */
-struct lance_tx_desc {
-	volatile unsigned short tmd0;        /* low address of packet */
-	volatile unsigned char  tmd1_bits;   /* descriptor bits */
-	volatile unsigned char  tmd1_hadr;   /* high address of packet */
-	volatile short    length;       	    /* Length is 2s complement (negative)! */
-	volatile unsigned short misc;
-};
-
-/* There are three memory structures accessed by the LANCE:
- * the initialization block, the receive and transmit descriptor rings,
- * and the data buffers themselves. In fact we might as well put the
- * init block,the Tx and Rx rings and the buffers together in memory:
- */
-struct lance_init_block {
-        volatile unsigned short mode;            /* Pre-set mode (reg. 15) */
-        volatile unsigned char phys_addr[6];     /* Physical ethernet address */
-        volatile unsigned filter[2];             /* Multicast filter (64 bits) */
-
-        /* Receive and transmit ring base, along with extra bits. */
-        volatile unsigned short rx_ptr;          /* receive descriptor addr */
-        volatile unsigned short rx_len;          /* receive len and high addr */
-        volatile unsigned short tx_ptr;          /* transmit descriptor addr */
-        volatile unsigned short tx_len;          /* transmit len and high addr */
-
-        /* The Tx and Rx ring entries must be aligned on 8-byte boundaries.
-         * This will be true if this whole struct is 8-byte aligned.
-         */
-        volatile struct lance_tx_desc btx_ring[TX_RING_SIZE];
-        volatile struct lance_rx_desc brx_ring[RX_RING_SIZE];
-
-        volatile char   tx_buf [TX_RING_SIZE][TX_BUFF_SIZE];
-        volatile char   rx_buf [RX_RING_SIZE][RX_BUFF_SIZE];
-        /* we use this just to make the struct big enough that we can move its startaddr
-         * in order to force alignment to an eight byte boundary.
-         */
-};
-
-/* This is where we keep all the stuff the driver needs to know about.
- * I'm definitely unhappy about the mechanism for allowing specific
- * drivers to add things...
- */
-struct lance_private
-{
-        char *name;
-	unsigned long base;
-        volatile struct lance_init_block *init_block; /* CPU address of RAM */
-        volatile struct lance_init_block *lance_init_block; /* LANCE address of RAM */
-
-        int rx_new, tx_new;
-        int rx_old, tx_old;
-
-        int lance_log_rx_bufs, lance_log_tx_bufs;
-        int rx_ring_mod_mask, tx_ring_mod_mask;
-
-        int tpe;                                  /* TPE is selected */
-        int auto_select;                          /* cable-selection is by carrier */
-        unsigned short busmaster_regval;
-
-        unsigned int irq;                         /* IRQ to register */
-
-        /* This is because the HP LANCE is disgusting and you have to check
-         * a DIO-specific register every time you read/write the LANCE regs :-<
-         * [could we get away with making these some sort of macro?]
-         */
-        void (*writerap)(void *, unsigned short);
-        void (*writerdp)(void *, unsigned short);
-        unsigned short (*readrdp)(void *);
-	spinlock_t devlock;
-	char tx_full;
-};
-
-/*
- *              Am7990 Control and Status Registers
- */
-#define LE_CSR0         0x0000          /* LANCE Controller Status */
-#define LE_CSR1         0x0001          /* IADR[15:0] (bit0==0 ie word aligned) */
-#define LE_CSR2         0x0002          /* IADR[23:16] (high bits reserved) */
-#define LE_CSR3         0x0003          /* Misc */
-
-/*
- *		Bit definitions for CSR0 (LANCE Controller Status)
- */
-#define LE_C0_ERR	0x8000		/* Error = BABL | CERR | MISS | MERR */
-#define LE_C0_BABL	0x4000		/* Babble: Transmitted too many bits */
-#define LE_C0_CERR	0x2000		/* No Heartbeat (10BASE-T) */
-#define LE_C0_MISS	0x1000		/* Missed Frame (no rx buffer to put it in) */
-#define LE_C0_MERR	0x0800		/* Memory Error */
-#define LE_C0_RINT	0x0400		/* Receive Interrupt */
-#define LE_C0_TINT	0x0200		/* Transmit Interrupt */
-#define LE_C0_IDON	0x0100		/* Initialization Done */
-#define LE_C0_INTR	0x0080		/* Interrupt Flag
-                                         = BABL | MISS | MERR | RINT | TINT | IDON */
-#define LE_C0_INEA	0x0040		/* Interrupt Enable */
-#define LE_C0_RXON	0x0020		/* Receive On */
-#define LE_C0_TXON	0x0010		/* Transmit On */
-#define LE_C0_TDMD	0x0008		/* Transmit Demand */
-#define LE_C0_STOP	0x0004		/* Stop */
-#define LE_C0_STRT	0x0002		/* Start */
-#define LE_C0_INIT	0x0001		/* Initialize */
-
-
-/*
- *		Bit definitions for CSR3
- */
-#define LE_C3_BSWP	0x0004		/* Byte Swap
-					   (on for big endian byte order) */
-#define LE_C3_ACON	0x0002		/* ALE Control
-					   (on for active low ALE) */
-#define LE_C3_BCON	0x0001		/* Byte Control */
-
-
-/*
- *		Mode Flags
- */
-#define LE_MO_PROM	0x8000		/* Promiscuous Mode */
-/* these next ones 0x4000 -- 0x0080 are not available on the LANCE 7990,
- * but they are in NetBSD's am7990.h, presumably for backwards-compatible chips
- */
-#define LE_MO_DRCVBC  0x4000          /* disable receive broadcast */
-#define LE_MO_DRCVPA  0x2000          /* disable physical address detection */
-#define LE_MO_DLNKTST 0x1000          /* disable link status */
-#define LE_MO_DAPC    0x0800          /* disable automatic polarity correction */
-#define LE_MO_MENDECL 0x0400          /* MENDEC loopback mode */
-#define LE_MO_LRTTSEL 0x0200          /* lower RX threshold / TX mode selection */
-#define LE_MO_PSEL1   0x0100          /* port selection bit1 */
-#define LE_MO_PSEL0   0x0080          /* port selection bit0 */
-/* and this one is from the C-LANCE data sheet... */
-#define LE_MO_EMBA      0x0080          /* Enable Modified Backoff Algorithm
-                                           (C-LANCE, not original LANCE) */
-#define LE_MO_INTL	0x0040		/* Internal Loopback */
-#define LE_MO_DRTY	0x0020		/* Disable Retry */
-#define LE_MO_FCOLL	0x0010		/* Force Collision */
-#define LE_MO_DXMTFCS	0x0008		/* Disable Transmit CRC */
-#define LE_MO_LOOP	0x0004		/* Loopback Enable */
-#define LE_MO_DTX	0x0002		/* Disable Transmitter */
-#define LE_MO_DRX	0x0001		/* Disable Receiver */
-
-
-/*
- *		Receive Flags
- */
-#define LE_R1_OWN	0x80		/* LANCE owns the descriptor */
-#define LE_R1_ERR	0x40		/* Error */
-#define LE_R1_FRA	0x20		/* Framing Error */
-#define LE_R1_OFL	0x10		/* Overflow Error */
-#define LE_R1_CRC	0x08		/* CRC Error */
-#define LE_R1_BUF	0x04		/* Buffer Error */
-#define LE_R1_SOP	0x02		/* Start of Packet */
-#define LE_R1_EOP	0x01		/* End of Packet */
-#define LE_R1_POK       0x03		/* Packet is complete: SOP + EOP */
-
-
-/*
- *		Transmit Flags
- */
-#define LE_T1_OWN	0x80		/* LANCE owns the descriptor */
-#define LE_T1_ERR	0x40		/* Error */
-#define LE_T1_RES	0x20		/* Reserved, LANCE writes this with a zero */
-#define LE_T1_EMORE	0x10		/* More than one retry needed */
-#define LE_T1_EONE	0x08		/* One retry needed */
-#define LE_T1_EDEF	0x04		/* Deferred */
-#define LE_T1_SOP	0x02		/* Start of Packet */
-#define LE_T1_EOP	0x01		/* End of Packet */
-#define LE_T1_POK	0x03		/* Packet is complete: SOP + EOP */
-
-/*
- *		Error Flags
- */
-#define LE_T3_BUF 	0x8000		/* Buffer Error */
-#define LE_T3_UFL 	0x4000		/* Underflow Error */
-#define LE_T3_LCOL 	0x1000		/* Late Collision */
-#define LE_T3_CLOS 	0x0800		/* Loss of Carrier */
-#define LE_T3_RTY 	0x0400		/* Retry Error */
-#define LE_T3_TDR	0x03ff		/* Time Domain Reflectometry */
-
-/* Miscellaneous useful macros */
-
-#define TX_BUFFS_AVAIL ((lp->tx_old<=lp->tx_new)?\
-                        lp->tx_old+lp->tx_ring_mod_mask-lp->tx_new:\
-                        lp->tx_old - lp->tx_new-1)
-
-/* The LANCE only uses 24 bit addresses. This does the obvious thing. */
-#define LANCE_ADDR(x) ((int)(x) & ~0xff000000)
-
-/* Now the prototypes we export */
-extern int lance_open(struct net_device *dev);
-extern int lance_close (struct net_device *dev);
-extern int lance_start_xmit (struct sk_buff *skb, struct net_device *dev);
-extern void lance_set_multicast (struct net_device *dev);
-extern void lance_tx_timeout(struct net_device *dev);
-#ifdef CONFIG_NET_POLL_CONTROLLER
-extern void lance_poll(struct net_device *dev);
-#endif
-
-#endif /* ndef _7990_H */
-- 
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