From b1c056d20caa6fdd3481b348567f1f91e98aaa4b Mon Sep 17 00:00:00 2001 From: "Stanley.Miao" Date: Wed, 10 Dec 2008 17:36:53 -0800 Subject: 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 --- arch/arm/mach-omap2/board-ldp.c | 57 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) (limited to 'arch/arm/mach-omap2') 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 #include +#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(); -- cgit v1.2.3