* Steve Sakoman <[email protected]> [090201 22:28]:
> Gumstix will soon be shipping a variant of their Summit board that
> includes an SMSC LAN9221 ethernet interface.  This patch provides
> support via the smsc911x driver when enabled in kernel config.
> 
> The Overo defconfig is not updated since the LAN9221 is an option
> not present on all systems.

Adding this to omap3-upstream and pushing to linux-omap.

Tony

> Signed-off-by: Steve Sakoman <[email protected]>
> ---
>  arch/arm/mach-omap2/board-overo.c             |   62 
> +++++++++++++++++++++++++
>  arch/arm/plat-omap/include/mach/board-overo.h |    3 +
>  2 files changed, 65 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/board-overo.c
> b/arch/arm/mach-omap2/board-overo.c
> index 9995ac2..032a2c9 100644
> --- a/arch/arm/mach-omap2/board-overo.c
> +++ b/arch/arm/mach-omap2/board-overo.c
> @@ -55,6 +55,67 @@
>  #define GPMC_CS0_BASE  0x60
>  #define GPMC_CS_SIZE   0x30
> 
> +#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
> +
> +#include <linux/smsc911x.h>
> +
> +static struct resource overo_smsc911x_resources[] = {
> +     {
> +             .name   = "smsc911x-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,
> +     .flags          = SMSC911X_USE_32BIT ,
> +     .phy_interface  = PHY_INTERFACE_MODE_MII,
> +};
> +
> +static struct platform_device overo_smsc911x_device = {
> +     .name           = "smsc911x",
> +     .id             = -1,
> +     .num_resources  = ARRAY_SIZE(overo_smsc911x_resources),
> +     .resource       = &overo_smsc911x_resources,
> +     .dev            = {
> +             .platform_data = &overo_smsc911x_config,
> +     },
> +};
> +
> +static inline void __init overo_init_smsc911x(void)
> +{
> +     unsigned long cs_mem_base;
> +
> +     if (gpmc_cs_request(OVERO_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) {
> +             printk(KERN_ERR "Failed request for GPMC mem for smsc911x\n");
> +             return;
> +     }
> +
> +     overo_smsc911x_resources[0].start = cs_mem_base + 0x0;
> +     overo_smsc911x_resources[0].end   = cs_mem_base + 0xff;
> +
> +     if ((gpio_request(OVERO_SMSC911X_GPIO, "SMSC911X IRQ") == 0) &&
> +         (gpio_direction_input(OVERO_SMSC911X_GPIO) == 0)) {
> +             gpio_export(OVERO_SMSC911X_GPIO, 0);
> +     } else {
> +             printk(KERN_ERR "could not obtain gpio for SMSC911X IRQ\n");
> +             return;
> +     }
> +
> +     overo_smsc911x_resources[1].start = OMAP_GPIO_IRQ(OVERO_SMSC911X_GPIO);
> +     overo_smsc911x_resources[1].end   = 0;
> +
> +     platform_device_register(&overo_smsc911x_device);
> +}
> +
> +#else
> +static inline void __init overo_init_smsc911x(void) { return; }
> +#endif
> +
>  static struct mtd_partition overo_nand_partitions[] = {
>       {
>               .name           = "xloader",
> @@ -234,6 +295,7 @@ static void __init overo_init(void)
>       usb_musb_init();
>       usb_ehci_init();
>       overo_flash_init();
> +     overo_init_smsc911x();
> 
>       if ((gpio_request(OVERO_GPIO_W2W_NRESET,
>                         "OVERO_GPIO_W2W_NRESET") == 0) &&
> diff --git a/arch/arm/plat-omap/include/mach/board-overo.h
> b/arch/arm/plat-omap/include/mach/board-overo.h
> index 7ecae66..8635171 100644
> --- a/arch/arm/plat-omap/include/mach/board-overo.h
> +++ b/arch/arm/plat-omap/include/mach/board-overo.h
> @@ -22,5 +22,8 @@
>  #define OVERO_GPIO_USBH_CPEN 168
>  #define OVERO_GPIO_USBH_NRESET       183
> 
> +#define OVERO_SMSC911X_CS    5
> +#define OVERO_SMSC911X_GPIO  176
> +
>  #endif /* ____ASM_ARCH_OVERO_H */
> 
> -- 
> 1.5.6.3
> --
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