OMAP_LDP: Add Ethernet device support to make ldp boot succeess.

Add Ethernet device support in board-ldp.c to make ldp can boot and mount nfs
successfully.
Signed-off-by: Stanley.Miao <stanley.miao@windriver.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/board-ldp.c

@@ -44,6 +44,7 @@
 #include "mmc-twl4030.h"
 
 
+#define SDP3430_SMC91X_CS	3
 #define CONFIG_DISABLE_HFCLK 1
 
 #define ENABLE_VAUX1_DEDICATED	0x03
@@ -51,6 +52,26 @@
 
 #define TWL4030_MSECURE_GPIO	22
 
+static struct resource ldp_smc911x_resources[] = {
+	[0] = {
+		.start	= OMAP34XX_ETHR_START,
+		.end	= OMAP34XX_ETHR_START + SZ_4K,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= 0,
+		.end	= 0,
+		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
+	},
+};
+
+static struct platform_device ldp_smc911x_device = {
+	.name		= "smc911x",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(ldp_smc911x_resources),
+	.resource	= ldp_smc911x_resources,
+};
+
 static int ts_gpio;
 
 static int __init msecure_init(void)
@@ -177,14 +198,46 @@ static struct platform_device ldp_lcd_device = {
 };
 
 static struct platform_device *ldp_devices[] __initdata = {
+	&ldp_smc911x_device,
 	&ldp_lcd_device,
 };
 
+static inline void __init ldp_init_smc911x(void)
+{
+	int eth_cs;
+	unsigned long cs_mem_base;
+	int eth_gpio = 0;
+
+	eth_cs = LDP_SMC911X_CS;
+
+	if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
+		printk(KERN_ERR "Failed to request GPMC mem for smc911x\n");
+		return;
+	}
+
+	ldp_smc911x_resources[0].start = cs_mem_base + 0x0;
+	ldp_smc911x_resources[0].end   = cs_mem_base + 0xf;
+	udelay(100);
+
+	eth_gpio = LDP_SMC911X_GPIO;
+
+	ldp_smc911x_resources[1].start = OMAP_GPIO_IRQ(eth_gpio);
+
+	if (omap_request_gpio(eth_gpio) < 0) {
+		printk(KERN_ERR "Failed to request GPIO%d for smc911x IRQ\n",
+				eth_gpio);
+		return;
+	}
+	omap_set_gpio_direction(eth_gpio, 1);
+}
+
+
 static void __init omap_ldp_init_irq(void)
 {
 	omap2_init_common_hw(NULL);
 	omap_init_irq();
 	omap_gpio_init();
+	ldp_init_smc911x();
 }
 
 static struct omap_uart_config ldp_uart_config __initdata = {

arch/arm/plat-omap/include/mach/board-ldp.h

@@ -32,5 +32,8 @@
 extern void twl4030_bci_battery_init(void);
 
 #define TWL4030_IRQNUM		INT_34XX_SYS_NIRQ
-
+#define LDP_SMC911X_CS         1
+#define LDP_SMC911X_GPIO       152
+#define DEBUG_BASE             0x08000000
+#define OMAP34XX_ETHR_START    DEBUG_BASE
 #endif /* __ASM_ARCH_OMAP_LDP_H */