[PATCH] cs89x0: add ixdp2351 support

This patch adds support for the Intel IXDP2351 to the CS89x0 driver.
Signed-off-by: Deepak Saxena <dsaxena@plexity.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/net/Kconfig

@@ -1387,7 +1387,7 @@ config FORCEDETH
 
 config CS89x0
 	tristate "CS89x0 support"
-	depends on NET_PCI && (ISA || ARCH_IXDP2X01 || ARCH_PNX010X)
+	depends on NET_PCI && (ISA || MACH_IXDP2351 || ARCH_IXDP2X01 || ARCH_PNX010X)
 	---help---
 	  Support for CS89x0 chipset based Ethernet cards. If you have a
 	  network (Ethernet) card of this type, say Y and read the

drivers/net/cs89x0.c

@@ -90,6 +90,9 @@
   Dmitry Pervushin  : dpervushin@ru.mvista.com
                     : PNX010X platform support
 
+  Deepak Saxena     : dsaxena@plexity.net
+                    : Intel IXDP2351 platform support
+
 */
 
 /* Always include 'config.h' first in case the user wants to turn on
@@ -174,6 +177,10 @@ static unsigned int cs8900_irq_map[] = {12,0,0,0};
 static unsigned int netcard_portlist[] __initdata =
    { 0x0300, 0};
 static unsigned int cs8900_irq_map[] = {1,0,0,0};
+#elif defined(CONFIG_MACH_IXDP2351)
+static unsigned int netcard_portlist[] __initdata = {IXDP2351_VIRT_CS8900_BASE, 0};
+static unsigned int cs8900_irq_map[] = {IRQ_IXDP2351_CS8900, 0, 0, 0};
+#include <asm/irq.h>
 #elif defined(CONFIG_ARCH_IXDP2X01)
 #include <asm/irq.h>
 static unsigned int netcard_portlist[] __initdata = {IXDP2X01_CS8900_VIRT_BASE, 0};
@@ -341,7 +348,19 @@ struct net_device * __init cs89x0_probe(int unit)
 }
 #endif
 
-#if defined(CONFIG_ARCH_IXDP2X01)
+#if defined(CONFIG_MACH_IXDP2351)
+static u16
+readword(unsigned long base_addr, int portno)
+{
+	return __raw_readw(base_addr + (portno << 1));
+}
+
+static void
+writeword(unsigned long base_addr, int portno, u16 value)
+{
+	__raw_writew(value, base_addr + (portno << 1));
+}
+#elif defined(CONFIG_ARCH_IXDP2X01)
 static u16
 readword(unsigned long base_addr, int portno)
 {
@@ -781,7 +800,7 @@ cs89x0_probe1(struct net_device *dev, int ioaddr, int modular)
 	} else {
 		i = lp->isa_config & INT_NO_MASK;
 		if (lp->chip_type == CS8900) {
-#if defined(CONFIG_ARCH_IXDP2X01) || defined(CONFIG_ARCH_PNX010X)
+#if defined(CONFIG_MACH_IXDP2351) || defined(CONFIG_ARCH_IXDP2X01) || defined(CONFIG_ARCH_PNX010X)
 		        i = cs8900_irq_map[0];
 #else
 			/* Translate the IRQ using the IRQ mapping table. */
@@ -1013,7 +1032,7 @@ dma_rx(struct net_device *dev)
 
 void  __init reset_chip(struct net_device *dev)
 {
-#ifndef CONFIG_ARCH_IXDP2X01
+#if !defined(CONFIG_MACH_IXDP2351) && !defined(CONFIG_ARCH_IXDP2X01)
 	struct net_local *lp = netdev_priv(dev);
 	int ioaddr = dev->base_addr;
 #endif
@@ -1024,7 +1043,7 @@ void  __init reset_chip(struct net_device *dev)
 	/* wait 30 ms */
 	msleep(30);
 
-#ifndef CONFIG_ARCH_IXDP2X01
+#if !defined(CONFIG_MACH_IXDP2351) && !defined(CONFIG_ARCH_IXDP2X01)
 	if (lp->chip_type != CS8900) {
 		/* Hardware problem requires PNP registers to be reconfigured after a reset */
 		writeword(ioaddr, ADD_PORT, PP_CS8920_ISAINT);
@@ -1288,7 +1307,7 @@ net_open(struct net_device *dev)
 	else
 #endif
 	{
-#if !defined(CONFIG_ARCH_IXDP2X01) && !defined(CONFIG_ARCH_PNX010X)
+#if !defined(CONFIG_MACH_IXDP2351) && !defined(CONFIG_ARCH_IXDP2X01) && !defined(CONFIG_ARCH_PNX010X)
 		if (((1 << dev->irq) & lp->irq_map) == 0) {
 			printk(KERN_ERR "%s: IRQ %d is not in our map of allowable IRQs, which is %x\n",
                                dev->name, dev->irq, lp->irq_map);