Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 174 insertions, 0 deletions

diff --git a/drivers/net/ethernet/seeq/ether3.h b/drivers/net/ethernet/seeq/ether3.h
new file mode 100644
index 0000000000..585dd51be2
--- /dev/null
+++ b/drivers/net/ethernet/seeq/ether3.h
@@ -0,0 +1,174 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ *  linux/drivers/acorn/net/ether3.h
+ *
+ *  Copyright (C) 1995-2000 Russell King
+ *
+ *  network driver for Acorn/ANT Ether3 cards
+ */
+
+#ifndef _LINUX_ether3_H
+#define _LINUX_ether3_H
+
+/* use 0 for production, 1 for verification, >2 for debug. debug flags: */
+#define DEBUG_TX	 2
+#define DEBUG_RX	 4
+#define DEBUG_INT	 8
+#define DEBUG_IC	16
+#ifndef NET_DEBUG
+#define NET_DEBUG 	0
+#endif
+
+#define priv(dev)	((struct dev_priv *)netdev_priv(dev))
+
+/* Command register definitions & bits */
+#define REG_COMMAND		(priv(dev)->seeq + 0x0000)
+#define CMD_ENINTDMA		0x0001
+#define CMD_ENINTRX		0x0002
+#define CMD_ENINTTX		0x0004
+#define CMD_ENINTBUFWIN		0x0008
+#define CMD_ACKINTDMA		0x0010
+#define CMD_ACKINTRX		0x0020
+#define CMD_ACKINTTX		0x0040
+#define CMD_ACKINTBUFWIN	0x0080
+#define CMD_DMAON		0x0100
+#define CMD_RXON		0x0200
+#define CMD_TXON		0x0400
+#define CMD_DMAOFF		0x0800
+#define CMD_RXOFF		0x1000
+#define CMD_TXOFF		0x2000
+#define CMD_FIFOREAD		0x4000
+#define CMD_FIFOWRITE		0x8000
+
+/* status register */
+#define REG_STATUS		(priv(dev)->seeq + 0x0000)
+#define STAT_ENINTSTAT		0x0001
+#define STAT_ENINTRX		0x0002
+#define STAT_ENINTTX		0x0004
+#define STAT_ENINTBUFWIN	0x0008
+#define STAT_INTDMA		0x0010
+#define STAT_INTRX		0x0020
+#define STAT_INTTX		0x0040
+#define STAT_INTBUFWIN		0x0080
+#define STAT_DMAON		0x0100
+#define STAT_RXON		0x0200
+#define STAT_TXON		0x0400
+#define STAT_FIFOFULL		0x2000
+#define STAT_FIFOEMPTY		0x4000
+#define STAT_FIFODIR		0x8000
+
+/* configuration register 1 */
+#define REG_CONFIG1		(priv(dev)->seeq + 0x0040)
+#define CFG1_BUFSELSTAT0	0x0000
+#define CFG1_BUFSELSTAT1	0x0001
+#define CFG1_BUFSELSTAT2	0x0002
+#define CFG1_BUFSELSTAT3	0x0003
+#define CFG1_BUFSELSTAT4	0x0004
+#define CFG1_BUFSELSTAT5	0x0005
+#define CFG1_ADDRPROM		0x0006
+#define CFG1_TRANSEND		0x0007
+#define CFG1_LOCBUFMEM		0x0008
+#define CFG1_INTVECTOR		0x0009
+#define CFG1_RECVSPECONLY	0x0000
+#define CFG1_RECVSPECBROAD	0x4000
+#define CFG1_RECVSPECBRMULTI	0x8000
+#define CFG1_RECVPROMISC	0xC000
+
+/* The following aren't in 8004 */
+#define CFG1_DMABURSTCONT	0x0000
+#define CFG1_DMABURST800NS	0x0010
+#define CFG1_DMABURST1600NS	0x0020
+#define CFG1_DMABURST3200NS	0x0030
+#define CFG1_DMABURST1		0x0000
+#define CFG1_DMABURST4		0x0040
+#define CFG1_DMABURST8		0x0080
+#define CFG1_DMABURST16		0x00C0
+#define CFG1_RECVCOMPSTAT0	0x0100
+#define CFG1_RECVCOMPSTAT1	0x0200
+#define CFG1_RECVCOMPSTAT2	0x0400
+#define CFG1_RECVCOMPSTAT3	0x0800
+#define CFG1_RECVCOMPSTAT4	0x1000
+#define CFG1_RECVCOMPSTAT5	0x2000
+
+/* configuration register 2 */
+#define REG_CONFIG2		(priv(dev)->seeq + 0x0080)
+#define CFG2_BYTESWAP		0x0001
+#define CFG2_ERRENCRC		0x0008
+#define CFG2_ERRENDRIBBLE	0x0010
+#define CFG2_ERRSHORTFRAME	0x0020
+#define CFG2_SLOTSELECT		0x0040
+#define CFG2_PREAMSELECT	0x0080
+#define CFG2_ADDRLENGTH		0x0100
+#define CFG2_RECVCRC		0x0200
+#define CFG2_XMITNOCRC		0x0400
+#define CFG2_LOOPBACK		0x0800
+#define CFG2_CTRLO		0x1000
+#define CFG2_RESET		0x8000
+
+#define REG_RECVEND		(priv(dev)->seeq + 0x00c0)
+
+#define REG_BUFWIN		(priv(dev)->seeq + 0x0100)
+
+#define REG_RECVPTR		(priv(dev)->seeq + 0x0140)
+
+#define REG_TRANSMITPTR		(priv(dev)->seeq + 0x0180)
+
+#define REG_DMAADDR		(priv(dev)->seeq + 0x01c0)
+
+/*
+ * Cards transmit/receive headers
+ */
+#define TX_NEXT			(0xffff)
+#define TXHDR_ENBABBLEINT	(1 << 16)
+#define TXHDR_ENCOLLISIONINT	(1 << 17)
+#define TXHDR_EN16COLLISION	(1 << 18)
+#define TXHDR_ENSUCCESS		(1 << 19)
+#define TXHDR_DATAFOLLOWS	(1 << 21)
+#define TXHDR_CHAINCONTINUE	(1 << 22)
+#define TXHDR_TRANSMIT		(1 << 23)
+#define TXSTAT_BABBLED		(1 << 24)
+#define TXSTAT_COLLISION	(1 << 25)
+#define TXSTAT_16COLLISIONS	(1 << 26)
+#define TXSTAT_DONE		(1 << 31)
+
+#define RX_NEXT			(0xffff)
+#define RXHDR_CHAINCONTINUE	(1 << 6)
+#define RXHDR_RECEIVE		(1 << 7)
+#define RXSTAT_OVERSIZE		(1 << 8)
+#define RXSTAT_CRCERROR		(1 << 9)
+#define RXSTAT_DRIBBLEERROR	(1 << 10)
+#define RXSTAT_SHORTPACKET	(1 << 11)
+#define RXSTAT_DONE		(1 << 15)
+
+
+#define TX_START	0x0000
+#define TX_END		0x6000
+#define RX_START	0x6000
+#define RX_LEN		0xA000
+#define RX_END		0x10000
+/* must be a power of 2 and greater than MAX_TX_BUFFERED */
+#define MAX_TXED	16
+#define MAX_TX_BUFFERED	10
+
+struct dev_priv {
+    void __iomem *base;
+    void __iomem *seeq;
+    struct {
+	unsigned int command;
+	unsigned int config1;
+	unsigned int config2;
+    } regs;
+    unsigned char tx_head;		/* buffer nr to insert next packet	 */
+    unsigned char tx_tail;		/* buffer nr of transmitting packet	 */
+    unsigned int rx_head;		/* address to fetch next packet from	 */
+    struct timer_list timer;
+    struct net_device *dev;
+    int broken;				/* 0 = ok, 1 = something went wrong	 */
+};
+
+struct ether3_data {
+	const char name[8];
+	unsigned long base_offset;
+};
+
+#endif