ARM: OMAP3: 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>

1 files changed, 57 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c
index 1ea59986aa7a..43c7ac4b7f8f 100644
--- a/arch/arm/mach-omap2/board-ldp.c
+++ b/arch/arm/mach-omap2/board-ldp.c
@@ -38,11 +38,67 @@
 #include <asm/delay.h>
 #include <mach/control.h>
 
+#define SDP3430_SMC91X_CS	3
+
+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 struct platform_device *ldp_devices[] __initdata = {
+	&ldp_smc911x_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;
+	}
+	gpio_direction_input(eth_gpio);
+}
+
 static void __init omap_ldp_init_irq(void)
 {
 	omap2_init_common_hw();
 	omap_init_irq();
 	omap_gpio_init();
+	ldp_init_smc911x();
 }
 
 static struct omap_uart_config ldp_uart_config __initdata = {
@@ -64,6 +120,7 @@ static int __init omap_i2c_init(void)
 static void __init omap_ldp_init(void)
 {
 	omap_i2c_init();
+	platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices));
 	omap_board_config = ldp_config;
 	omap_board_config_size = ARRAY_SIZE(ldp_config);
 	omap_serial_init();