[PATCH] ARM: map ATAGs when not in first 1MB of RAM
Russell King - ARM Linux
linux at arm.linux.org.uk
Fri Jan 28 03:31:49 EST 2011
On Thu, Jan 27, 2011 at 09:50:43AM -0600, Rob Herring wrote:
> + /*
> + * Otherwise map the 1MB region r2 points to (atags or dtb)
> + */
> +1: mov r0, r2, lsr #20
> + mov r0, r0, lsl #20
> + sub r3, r0, #(PHYS_OFFSET & 0xff000000)
> + .if (PHYS_OFFSET & 0x00f00000)
> + sub r3, r3, #(PHYS_OFFSET & 0x00f00000)
This introduces new PHYS_OFFSET uses which we're trying hard to get
rid of. This will need to be reworked.
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