AX88796 network driver

Support for the Asix AX88796 network controller, an
NE2000 compatible 10/100 ethernet device with internal
PHY.

The driver supports PHY settings via either ioctl() or
the ethtool driver ops.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

drivers/net/8390.h

@@ -73,6 +73,9 @@ struct ei_device {
 	u32 *reg_offset;		/* Register mapping table */
 	spinlock_t page_lock;		/* Page register locks */
 	unsigned long priv;		/* Private field to store bus IDs etc. */
+#ifdef AX88796_PLATFORM
+	unsigned char rxcr_base;	/* default value for RXCR */
+#endif
 };
 
 /* The maximum number of 8390 interrupt service routines called per IRQ. */
@@ -86,11 +89,19 @@ struct ei_device {
 /* Some generic ethernet register configurations. */
 #define E8390_TX_IRQ_MASK	0xa	/* For register EN0_ISR */
 #define E8390_RX_IRQ_MASK	0x5
+
+#ifdef AX88796_PLATFORM
+#define E8390_RXCONFIG		(ei_status.rxcr_base | 0x04)
+#define E8390_RXOFF		(ei_status.rxcr_base | 0x20)
+#else
 #define E8390_RXCONFIG		0x4	/* EN0_RXCR: broadcasts, no multicast,errors */
 #define E8390_RXOFF		0x20	/* EN0_RXCR: Accept no packets */
+#endif
+
 #define E8390_TXCONFIG		0x00	/* EN0_TXCR: Normal transmit mode */
 #define E8390_TXOFF		0x02	/* EN0_TXCR: Transmitter off */
 
+
 /*  Register accessed at EN_CMD, the 8390 base addr.  */
 #define E8390_STOP	0x01	/* Stop and reset the chip */
 #define E8390_START	0x02	/* Start the chip, clear reset */

drivers/net/Kconfig

@@ -197,6 +197,14 @@ config MACB
 
 source "drivers/net/arm/Kconfig"
 
+config AX88796
+	tristate "ASIX AX88796 NE2000 clone support"
+	select CRC32
+	select MII
+	help
+	  AX88796 driver, using platform bus to provide
+	  chip detection and resources
+
 config MACE
 	tristate "MACE (Power Mac ethernet) support"
 	depends on PPC_PMAC && PPC32

drivers/net/Makefile

@@ -107,6 +107,7 @@ obj-$(CONFIG_NET_SB1250_MAC) += sb1250-mac.o
 obj-$(CONFIG_B44) += b44.o
 obj-$(CONFIG_FORCEDETH) += forcedeth.o
 obj-$(CONFIG_NE_H8300) += ne-h8300.o
+obj-$(CONFIG_AX88796) += ax88796.o
 
 obj-$(CONFIG_TSI108_ETH) += tsi108_eth.o
 obj-$(CONFIG_MV643XX_ETH) += mv643xx_eth.o

include/net/ax88796.h

+/* include/net/ax88796.h
+ *
+ * Copyright 2005 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+*/
+
+#ifndef __NET_AX88796_PLAT_H
+#define __NET_AX88796_PLAT_H
+
+#define AXFLG_HAS_EEPROM		(1<<0)
+#define AXFLG_MAC_FROMDEV		(1<<1)	/* device already has MAC */
+
+struct ax_plat_data {
+	unsigned int	 flags;
+	unsigned char	 wordlength;		/* 1 or 2 */
+	unsigned char	 dcr_val;		/* default value for DCR */
+	unsigned char	 rcr_val;		/* default value for RCR */
+	unsigned char	 gpoc_val;		/* default value for GPOC */
+	u32		*reg_offsets;		/* register offsets */
+};
+
+#endif /* __NET_AX88796_PLAT_H */