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sunxi: Normalise FEL support

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Make sunxi's FEL code fit with the normal U-Boot boot sequence instead of
creating its own. There are some #ifdefs required in start.S. Future work
will hopefully remove these.

This series is available at u-boot-dm, branch sunxi-working.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Simon Glass
2015-02-07 10:47:30 -07:00
committed by Hans de Goede
parent c01c71bc16
commit 942cb0b6a2
10 changed files with 73 additions and 94 deletions
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10
board/sunxi/Kconfig
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@@ -149,6 +149,16 @@ config SPL_FEL
bool "SPL/FEL mode support"
depends on SPL
default n
help
This enables support for Fast Early Loader (FEL) mode. This
allows U-Boot to be loaded to the board over USB by the on-chip
boot rom. U-Boot should be sent in two parts: SPL first, with
'fel write 0x2000 u-boot-spl.bin; fel exe 0x2000' then U-Boot with
'fel write 0x4a000000 u-boot.bin; fel exe 0x4a000000'. This option
shrinks the amount of SRAM available to SPL, so only enable it if
you need FEL. Note that enabling this option only allows FEL to be
used; it is still possible to boot U-Boot from boot media. U-Boot
SPL detects when it is being loaded using FEL.
config UART0_PORT_F
bool "UART0 on MicroSD breakout board"