[PATCH] Add support for default env and mounting /boot to BeagleBoard

[Premi, Sanjeev]

> -----Original Message-----
> From: barebox-bounces at lists.infradead.org 
> [mailto:barebox-bounces at lists.infradead.org] On Behalf Of 
> Robert P. J. Day
> Sent: Thursday, February 09, 2012 7:10 PM
> To: U-Boot Version 2 (barebox)
> Subject: [PATCH] Add support for default env and mounting 
> /boot to BeagleBoard
> 
> 
> Stealing shamelessly from the panda/board.c file, add equivalent
> support for checking for the default environment and automounting the
> /boot partition on the SD card.
> 
> Also, include the necessary header files for this, and fix the
> filename reference at the top of the file.
> 
> Signed-off-by: Robert P. J. Day <rpjday at crashcourse.ca>
> 
> ---
> 
>   a quick and dirty theft of code from panda/board.c, it builds and
> boots and appears to work.  thoughts?
> 
> diff --git a/arch/arm/boards/beagle/board.c 
> b/arch/arm/boards/beagle/board.c
> index faeaf8e..6825ef2 100644
> --- a/arch/arm/boards/beagle/board.c
> +++ b/arch/arm/boards/beagle/board.c
> @@ -27,7 +27,7 @@
>  /**
>   * @page ti_beagle Texas Instruments Beagle Board
>   *
> - * FileName: arch/arm/boards/omap/board-beagle.c
> + * FileName: arch/arm/boards/beagle/board.c
>   *
>   * Beagle Board from Texas Instruments as described here:
>   * http://www.beagleboard.org
> @@ -55,6 +55,7 @@
>  #include <common.h>
>  #include <console.h>
>  #include <init.h>
> +#include <fs.h>
>  #include <driver.h>
>  #include <sizes.h>
>  #include <io.h>
> @@ -72,8 +73,10 @@
>  #include <mach/ehci.h>
>  #include <i2c/i2c.h>
>  #include <linux/err.h>
> +#include <linux/stat.h>
>  #include <usb/ehci.h>
>  #include <mach/xload.h>
> +#include <environment.h>
> 
>  /******************** Board Boot Time *******************/
> 
> @@ -317,3 +320,30 @@ static int beagle_devices_init(void)
>  	return 0;
>  }
>  device_initcall(beagle_devices_init);
> +
> +#ifdef CONFIG_DEFAULT_ENVIRONMENT
> +static int beagle_env_init(void)
> +{
> +	struct stat s;
> +	char *diskdev = "/dev/disk0.0";
> +	int ret;
> +
> +	ret = stat(diskdev, &s);
> +	if (ret) {
> +		printf("no %s. using default env\n", diskdev);
> +		return 0;
> +	}
> +
> +	mkdir ("/boot", 0666);
> +	ret = mount(diskdev, "fat", "/boot");
> +	if (ret) {
> +		printf("failed to mount %s\n", diskdev);
> +		return 0;
> +	}
> +
> +	default_environment_path = "/boot/bareboxenv";
> +
> +	return 0;
> +}
> +late_initcall(beagle_env_init);
> +#endif

Keeping this sequence, in init scripts makes things more & easily configurable.

~sanjeev