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authorAlbert ARIBAUD <albert.u.boot@aribaud.net>2014-11-13 17:59:15 +0100
committerStefano Babic <sbabic@denx.de>2014-11-20 10:13:54 +0100
commitdb544b9662622826b8482c126c116ec366fcd58c (patch)
tree6dc8c5fee2ea89621e4e9d872b2298b8392b88dd /board/freescale/mx6sabresd/mx6sabresd.c
parent28970ef66da76aefdb21cca74f22edd771511284 (diff)
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imx: fix exception vectors relocation in imx27
Commit 3ff46cc4 fixed exception vectors setting in the general ARM case, by either copying the exception and indirect vector tables to normal (0x00000000) or high (0xFFFF0000) vectors address, or setting VBAR to U-Boot's base if applicable. i.MX27 SoC is ARM926E-JS, thus has only normal and high options, but does not provide RAM at 0xFFFF0000 and has only ROM at 0x00000000; it is therefore not possible to move or change its exception vectors. Besides, i.MX27 ROM code does provide an indirect vectors table but at a non-standard address and with the reset and reserved vectors missing. Turn the current vector relocation code into a weak routine called after relocate_code from crt0, and add strong version for i.MX27. Series-Cc: Heiko Schocher <hs@denx.de> Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net> Reviewed-by: Stefano Babic <sbabic@denx.de> Tested-by: Stefano Babic <sbabic@denx.de> Tested-by: Philippe Reynes <tremyfr@gmail.com> Tested-by: Philippe Reynes <tremyfr@yahoo.fr>
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