On Mon, Nov 03, 2014 at 01:31:53PM +0100, Teresa Gámez wrote:
> Add support for registering disabled boot devices from oftree.
> Creating a device tree with all bootable devices disabled, makes
> it possible to only enable and register the devices needed to
> load the next stage bootloader.
>
> Signed-off-by: Teresa Gámez <t.gamez@xxxxxxxxx>
Applied all, thanks
Sascha
> ---
> v2:
> - updated of funcion name
>
> arch/arm/mach-omap/am33xx_generic.c | 31 ++++++++++++++++++++++++
> arch/arm/mach-omap/include/mach/am33xx-generic.h | 1 +
> 2 files changed, 32 insertions(+)
>
> diff --git a/arch/arm/mach-omap/am33xx_generic.c b/arch/arm/mach-omap/am33xx_generic.c
> index f293134..b561575 100644
> --- a/arch/arm/mach-omap/am33xx_generic.c
> +++ b/arch/arm/mach-omap/am33xx_generic.c
> @@ -428,3 +428,34 @@ void am335x_sdram_init(int ioctrl, const struct am33xx_cmd_control *cmd_ctrl,
>
> am33xx_config_sdram(emif_regs);
> }
> +
> +int am33xx_of_register_bootdevice(void)
> +{
> + struct device_d *dev;
> +
> + switch (bootsource_get()) {
> + case BOOTSOURCE_MMC:
> + if (bootsource_get_instance() == 0)
> + dev = of_device_enable_and_register_by_name("mmc@48060000");
> + else
> + dev = of_device_enable_and_register_by_name("mmc@481d8000");
> + break;
> + case BOOTSOURCE_NAND:
> + dev = of_device_enable_and_register_by_name("gpmc@50000000");
> + break;
> + case BOOTSOURCE_SPI:
> + dev = of_device_enable_and_register_by_name("spi@48030000");
> + break;
> + default:
> + /* Use nand fallback */
> + dev = of_device_enable_and_register_by_name("gpmc@50000000");
> + break;
> + }
> +
> + if (!dev) {
> + printf("Unable to register boot device\n");
> + return -ENODEV;
> + }
> +
> + return 0;
> +}
> diff --git a/arch/arm/mach-omap/include/mach/am33xx-generic.h b/arch/arm/mach-omap/include/mach/am33xx-generic.h
> index 6c85d51..7312061 100644
> --- a/arch/arm/mach-omap/include/mach/am33xx-generic.h
> +++ b/arch/arm/mach-omap/include/mach/am33xx-generic.h
> @@ -33,5 +33,6 @@ void __noreturn am33xx_reset_cpu(unsigned long addr);
> void am33xx_enable_per_clocks(void);
> int am33xx_init(void);
> int am33xx_devices_init(void);
> +int am33xx_of_register_bootdevice(void);
>
> #endif /* __MACH_AM33XX_GENERIC_H */
> --
> 1.9.1
>
>
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