[U-Boot] [PATCH v2 04/22] omap4: save parameters passed by ROM code to SPL

Wolfgang Denk
2011-05-15T19:14:30Z

Dear Aneesh V,

In message <1305472900-4004-5-git-send-email-aneesh@ti.com> you wrote:
> Save boot device information passed by OMAP4 rom code
>
> ROM code in OMAP4 passes information such as the media from
> which it picked up the first boot image(SPL in our case),
> the mode(raw mode/FAT mode) etc.
>
> Save this information in SPL so that we can use the same media
> and mode to bootload u-boot.
>
> Signed-off-by: Aneesh V <aneesh@ti.com>
...
> + /* Store the boot device in omap4_boot_device */
> + ldr r2, [r0, #BOOT_DEVICE_OFFSET] @ r1 <- value of boot device
> + and r2, #BOOT_DEVICE_MASK
> + ldr r3, =omap4_boot_device
> + str r2, [r3] @ omap4_boot_device <- r1

Why don't you use stadard global data here?

Best regards,

Wolfgang Denk

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