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64ad46379f
BCM53573 is a new series of Broadcom's SoCs. It's based on ARM and uses this old ChipCommon-based flash access. Early tests resulted in flash corruptions that were tracked down to using cached MMIO for flash read access. Switch to ioremap_nocache conditionally to support BCM53573 and don't break performance on old MIPS devices. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>