| Message ID | 1375207047-8655-3-git-send-email-ulrich.hecht@gmail.com (mailing list archive) |
|---|---|
| State | RFC |
| Headers | show |
Hi Ulrich, On Wed, Jul 31, 2013 at 2:57 AM, Ulrich Hecht <ulrich.hecht@gmail.com> wrote: > I don't see any reason why this should not be allowed. > --- > arch/arm/Kconfig | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig > index 0ac9be6..54ac595 100644 > --- a/arch/arm/Kconfig > +++ b/arch/arm/Kconfig > @@ -1938,7 +1938,7 @@ endchoice > > config ARM_APPENDED_DTB > bool "Use appended device tree blob to zImage (EXPERIMENTAL)" > - depends on OF && !ZBOOT_ROM > + depends on OF > help > With this option, the boot code will look for a device tree binary > (DTB) appended to zImage > -- > 1.7.10.4 Thanks for your patches. I'm not sure about the reason behind this !ZBOOT_ROM - perhaps the kernel should run from ROM initially somehow and shouldn't be overwritten? Regardless I believe the code handles DTB automatically in arch/arm/boot/compressed/head-shmobile.S - at least in recent renesas.git (I checked renesas-devel-20130801). So based on that I don't think you need this patch. At least I've been able to boot a zImage via USB Mask ROM on Mackerel with appended DTB without setting ARM_APPENDED_DTB. The reason to special case our DTB handling is that the MERAM used for DTB storage while booting from USB Mask ROM can't really be used to pass the DTB to the kernel - so because of that we need to relocate our DTB to RAM early on. Cheers, / magnus -- To unsubscribe from this list: send the line "unsubscribe linux-sh" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 0ac9be6..54ac595 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1938,7 +1938,7 @@ endchoice config ARM_APPENDED_DTB bool "Use appended device tree blob to zImage (EXPERIMENTAL)" - depends on OF && !ZBOOT_ROM + depends on OF help With this option, the boot code will look for a device tree binary (DTB) appended to zImage