[NET] 5268/1: cs89x0: add support for i.MX31ADS ARM board.

Add support for i.MX31ADS board to the cs89x0 ethernet driver.

Rework Kconfig options for the cs89x0 driver to reduce the #ifdef
clutter.

Signed-off-by: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

drivers/net/Kconfig

@@ -1386,7 +1386,8 @@ config FORCEDETH_NAPI
 
 config CS89x0
 	tristate "CS89x0 support"
-	depends on NET_PCI && (ISA || MACH_IXDP2351 || ARCH_IXDP2X01 || ARCH_PNX010X)
+	depends on NET_ETHERNET && (ISA || EISA || MACH_IXDP2351 \
+		|| ARCH_IXDP2X01 || ARCH_PNX010X || MACH_MX31ADS)
 	---help---
 	  Support for CS89x0 chipset based Ethernet cards. If you have a
 	  network (Ethernet) card of this type, say Y and read the
@@ -1397,6 +1398,11 @@ config CS89x0
 	  To compile this driver as a module, choose M here. The module
 	  will be called cs89x0.
 
+config CS89x0_NONISA_IRQ
+	def_bool y
+	depends on CS89x0 != n
+	depends on MACH_IXDP2351 || ARCH_IXDP2X01 || ARCH_PNX010X || MACH_MX31ADS
+
 config TC35815
 	tristate "TOSHIBA TC35815 Ethernet support"
 	depends on NET_PCI && PCI && MIPS

drivers/net/cs89x0.c

@@ -194,6 +194,12 @@ static unsigned int cs8900_irq_map[] = {IRQ_IXDP2X01_CS8900, 0, 0, 0};
 #define CIRRUS_DEFAULT_IRQ	VH_INTC_INT_NUM_CASCADED_INTERRUPT_1 /* Event inputs bank 1 - ID 35/bit 3 */
 static unsigned int netcard_portlist[] __used __initdata = {CIRRUS_DEFAULT_BASE, 0};
 static unsigned int cs8900_irq_map[] = {CIRRUS_DEFAULT_IRQ, 0, 0, 0};
+#elif defined(CONFIG_MACH_MX31ADS)
+#include <mach/board-mx31ads.h>
+static unsigned int netcard_portlist[] __used __initdata = {
+	PBC_BASE_ADDRESS + PBC_CS8900A_IOBASE + 0x300, 0
+};
+static unsigned cs8900_irq_map[] = {EXPIO_INT_ENET_INT, 0, 0, 0};
 #else
 static unsigned int netcard_portlist[] __used __initdata =
    { 0x300, 0x320, 0x340, 0x360, 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 0};
@@ -802,7 +808,7 @@ 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_MACH_IXDP2351) || defined(CONFIG_ARCH_IXDP2X01) || defined(CONFIG_ARCH_PNX010X)
+#ifdef CONFIG_CS89x0_NONISA_IRQ
 		        i = cs8900_irq_map[0];
 #else
 			/* Translate the IRQ using the IRQ mapping table. */
@@ -1029,6 +1035,7 @@ skip_this_frame:
 
 void  __init reset_chip(struct net_device *dev)
 {
+#if !defined(CONFIG_MACH_MX31ADS)
 #if !defined(CONFIG_MACH_IXDP2351) && !defined(CONFIG_ARCH_IXDP2X01)
 	struct net_local *lp = netdev_priv(dev);
 	int ioaddr = dev->base_addr;
@@ -1057,6 +1064,7 @@ void  __init reset_chip(struct net_device *dev)
 	reset_start_time = jiffies;
 	while( (readreg(dev, PP_SelfST) & INIT_DONE) == 0 && jiffies - reset_start_time < 2)
 		;
+#endif /* !CONFIG_MACH_MX31ADS */
 }
 
 
@@ -1304,7 +1312,7 @@ net_open(struct net_device *dev)
 	else
 #endif
 	{
-#if !defined(CONFIG_MACH_IXDP2351) && !defined(CONFIG_ARCH_IXDP2X01) && !defined(CONFIG_ARCH_PNX010X)
+#ifndef CONFIG_CS89x0_NONISA_IRQ
 		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);