* Nishant Kamat <nskamat@xxxxxx> [080515 07:45]:
> This patch adds ethernet support (smc911x) for OMAP LDP platform.
>
> Signed-off-by: Nishant Kamat <nskamat@xxxxxx>
> ---
> arch/arm/configs/omap_ldp_defconfig | 164 ++++++++++++++++++++++++++++++++-
> arch/arm/mach-omap2/board-ldp.c | 51 ++++++++++
> include/asm-arm/arch-omap/board-ldp.h | 6 +
> 3 files changed, 218 insertions(+), 3 deletions(-)
>
<snip>
> diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c
> index 2ac4c9b..47e86bf 100644
> --- a/arch/arm/mach-omap2/board-ldp.c
> +++ b/arch/arm/mach-omap2/board-ldp.c
> @@ -46,6 +46,26 @@
>
> #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;
>
> #ifdef CONFIG_RTC_DRV_TWL4030
> @@ -184,16 +204,47 @@ static struct spi_board_info ldp_spi_board_info[] __initdata = {
> };
>
> static struct platform_device *ldp_devices[] __initdata = {
> + &ldp_smc911x_device,
> #ifdef CONFIG_RTC_DRV_TWL4030
> &ldp_twl4030rtc_device,
> #endif
> };
>
> +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();
> omap_init_irq();
> omap_gpio_init();
> + ldp_init_smc911x();
> }
>
> static struct omap_uart_config ldp_uart_config __initdata = {
> diff --git a/include/asm-arm/arch-omap/board-ldp.h b/include/asm-arm/arch-omap/board-ldp.h
> index b227561..97c15d9 100644
> --- a/include/asm-arm/arch-omap/board-ldp.h
> +++ b/include/asm-arm/arch-omap/board-ldp.h
> @@ -29,6 +29,12 @@
> #ifndef __ASM_ARCH_OMAP_LDP_H
> #define __ASM_ARCH_OMAP_LDP_H
>
> +#define DEBUG_BASE 0x08000000
> +
> +#define OMAP34XX_ETHR_START DEBUG_BASE
> +#define LDP_SMC911X_CS 1
> +#define LDP_SMC911X_GPIO 152
> +
> #define TWL4030_IRQNUM INT_34XX_SYS_NIRQ
>
> #endif /* __ASM_ARCH_OMAP_LDP_H */
These redefines will conflict when compiling in support for multiple
boards. They should be passed in the platform_data.
Tony
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