The default configuration of u-boot works great for developers.
However, when u-boot is "ready" for the platform, much of these
features are "extra/redundant" from product perspective.
Without changing default behavior and function of u-boot, this
patch consolidates the CONFIG options that most likely fall
into the "extra" bucket under CONFIG_FAST_BOOT.
With a view that boot device is usually fixed in the products,
this patch allows selection of devices (and related features).
Currently, selection is (exclusive) between MMC/SD and NAND
under CONFIG_FAST_BOOT. If there is a need to support both, it
can be added later.
Though changes are done for OMAP3EVM, most of them should be
applicable to other platforms as well. I have tried to group
the CONFIG options logically.
Here is the summary of reduction[1]:
text data bss dec hex filename
Before:
227772 10900 257216 495888 79110 u-boot
After:
104593 4040 197952 306585 4ad99 u-boot
[1] Calculation of "before" includes these patches:
a) omap3evm: Wrap function under CONFIG_USB_OMAP3
b) omap3evm: Move function to identify board revision
c) omap3evm: Wrap function under CONFIG_CMD_NET
Sanjeev Premi (1):
omap3evm: Support for fast boot
include/configs/omap3_evm.h | 138 +++++++++++++++++++++++++++++++++++++++++++
1 files changed, 138 insertions(+), 0 deletions(-)
--
1.7.2.2
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