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authorStanley.Miao <stanley.miao@windriver.com>2008-12-10 17:36:53 -0800
committerTony Lindgren <tony@atomide.com>2008-12-10 17:36:53 -0800
commitb1c056d20caa6fdd3481b348567f1f91e98aaa4b (patch)
treeb4c3dace2722580f9f4b47103b89339431b07447 /arch/arm/mach-omap2
parentad636ad84e059e714013e009f76878b888de1f09 (diff)
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>
Diffstat (limited to 'arch/arm/mach-omap2')
-rw-r--r--arch/arm/mach-omap2/board-ldp.c57
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 1ea59986aa7..43c7ac4b7f8 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();