From 3fac1f9fd3cf39a52ff1bcff2c19c16f571c6e40 Mon Sep 17 00:00:00 2001 From: "Stanley.Miao" Date: Tue, 11 Nov 2008 19:50:54 +0800 Subject: [PATCH] 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 Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/board-ldp.c | 53 +++++++++++++++++++++ arch/arm/plat-omap/include/mach/board-ldp.h | 5 +- 2 files changed, 57 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c index 3ad5dba8519..c8e2360fb88 100644 --- a/arch/arm/mach-omap2/board-ldp.c +++ b/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 = { diff --git a/arch/arm/plat-omap/include/mach/board-ldp.h b/arch/arm/plat-omap/include/mach/board-ldp.h index 66e2746c04c..f2339966521 100644 --- a/arch/arm/plat-omap/include/mach/board-ldp.h +++ b/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 */ -- 2.41.1