On Sun, Dec 16, 2018 at 02:04:58AM +0000, Andre Przywara wrote: > On modern Allwinner SoCs (tested: H2+, A64, H5, H6) the BootROM can > actually load the SPL also from sector 256 (128KB) of an SD card or eMMC > chip. For more details, see [1]. > In this case the boot source indicator (written at offset 0x28 of SRAM A1) > has bit 4 set, so it's 0x10 for SD card and 0x12 for eMMC. > > Add those new values to the existing boot source check to allow booting > the SPL from those "high" disk offsets as well. For this to work, the > value of CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR needs to be adjusted, > for instance to 0x140 (right after the high SPL). Doing this dynamically > sounds desirable, but looks nasty to implement. > > [1] https://groups.google.com/forum/#!topic/linux-sunxi/MaiijyaAFjk > > Signed-off-by: Andre Przywara <[email protected]>
Acked-by: Maxime Ripard <[email protected]> Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
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