From 190c75031e65008425dbdd74c3e3237beed18460 Mon Sep 17 00:00:00 2001 From: Steve Sakoman Date: Tue, 15 Dec 2009 14:59:42 -0800 Subject: [PATCH 01/16] ARM: OMAP: Overo: Add support for second ethernet port Signed-off-by: Steve Sakoman --- arch/arm/mach-omap2/board-overo.c | 56 +++++++++++++++++++++++++++++++++++-- 1 files changed, 53 insertions(+), 3 deletions(-) diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c index 52dfd51..1b94f2c 100644 --- a/arch/arm/mach-omap2/board-overo.c +++ b/arch/arm/mach-omap2/board-overo.c @@ -63,6 +63,8 @@ #define OVERO_SMSC911X_CS 5 #define OVERO_SMSC911X_GPIO 176 +#define OVERO_SMSC911X2_CS 4 +#define OVERO_SMSC911X2_GPIO 65 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \ defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) @@ -137,6 +139,16 @@ static struct resource overo_smsc911x_resources[] = { }, }; +static struct resource overo_smsc911x2_resources[] = { + { + .name = "smsc911x2-memory", + .flags = IORESOURCE_MEM, + }, + { + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, + }, +}; + static struct smsc911x_platform_config overo_smsc911x_config = { .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, @@ -146,7 +158,7 @@ static struct smsc911x_platform_config overo_smsc911x_config = { static struct platform_device overo_smsc911x_device = { .name = "smsc911x", - .id = -1, + .id = 0, .num_resources = ARRAY_SIZE(overo_smsc911x_resources), .resource = overo_smsc911x_resources, .dev = { @@ -154,9 +166,26 @@ static struct platform_device overo_smsc911x_device = { }, }; +static struct platform_device overo_smsc911x2_device = { + .name = "smsc911x", + .id = 1, + .num_resources = ARRAY_SIZE(overo_smsc911x2_resources), + .resource = overo_smsc911x2_resources, + .dev = { + .platform_data = &overo_smsc911x_config, + }, +}; + +static struct platform_device *smsc911x_devices[] = { + &overo_smsc911x_device, + &overo_smsc911x2_device, +}; + static inline void __init overo_init_smsc911x(void) { - unsigned long cs_mem_base; + unsigned long cs_mem_base, cs_mem_base2; + + /* set up first smsc911x chip */ if (gpmc_cs_request(OVERO_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) { printk(KERN_ERR "Failed request for GPMC mem for smsc911x\n"); @@ -177,7 +206,28 @@ static inline void __init overo_init_smsc911x(void) overo_smsc911x_resources[1].start = OMAP_GPIO_IRQ(OVERO_SMSC911X_GPIO); overo_smsc911x_resources[1].end = 0; - platform_device_register(&overo_smsc911x_device); + /* set up second smsc911x chip */ + + if (gpmc_cs_request(OVERO_SMSC911X2_CS, SZ_16M, &cs_mem_base2) < 0) { + printk(KERN_ERR "Failed request for GPMC mem for smsc911x2\n"); + return; + } + + overo_smsc911x2_resources[0].start = cs_mem_base2 + 0x0; + overo_smsc911x2_resources[0].end = cs_mem_base2 + 0xff; + + if ((gpio_request(OVERO_SMSC911X2_GPIO, "SMSC911X2 IRQ") == 0) && + (gpio_direction_input(OVERO_SMSC911X2_GPIO) == 0)) { + gpio_export(OVERO_SMSC911X2_GPIO, 0); + } else { + printk(KERN_ERR "could not obtain gpio for SMSC911X2 IRQ\n"); + return; + } + + overo_smsc911x2_resources[1].start = OMAP_GPIO_IRQ(OVERO_SMSC911X2_GPIO); + overo_smsc911x2_resources[1].end = 0; + + platform_add_devices(smsc911x_devices, ARRAY_SIZE(smsc911x_devices)); } #else -- 1.6.2.4