upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/arch/arm/cpu/pxa/relocate.S

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/*
* relocate - PXA270 vector relocation
*
* Copyright (c) 2013 Albert ARIBAUD <albert.u.boot@aribaud.net>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <linux/linkage.h>
/*
* The PXA SoC is very specific with respect to exceptions: it
* does not provide RAM at the high vectors address (0xFFFF0000),
* thus only the low address (0x00000000) is useable; but that is
* in ROM, so let's avoid relocating the vectors.
*/
.section .text.relocate_vectors,"ax",%progbits
ENTRY(relocate_vectors)
bx lr
ENDPROC(relocate_vectors)