Am Montag, 25. Januar 2016 05:50:59 UTC+1 schrieb Siarhei Siamashka:
Previously the backup area was allocated at the address 0x8000.
This is not very good because it means that the U-Boot SPL can
only safely use memory at addresses 0x0000-0x7FFF (32 KiB). But
if we move the backup area to the end of the SRAM A4, this can
allow U-Boot SPL to use memory 0x0000-0x9FFF (40 KiB). The BROM
can't load such large SPLs from the SD card. But the SPL still
can move its stack up to the 40 KiB boundary or do UCL or LZO
decompression at runtime to squeeze more code into it.
This patch makes the sunxi-fel tool compatible with 40 KiB SPLs,
even though the current U-Boot releases do not use them yet.
Signed-off-by: Siarhei Siamashka <siarhei.siamas...@gmail.com>
---
fel.c | 20 ++++++++++++--------
1 file changed, 12 insertions(+), 8 deletions(-)
Successfully started ("sunxi-fel uboot") U-Boot 2015.10 on A20 with this
modification, _before_ applying 5/7.
Tested-by: Bernhard Nortmann <bernhard.nortm...@web.de>
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