[U-Boot] [U-Boot,3/6] arm, at91: add icache support

[Andreas Bießmann]

Dear Heiko Schocher,

Heiko Schocher <hs at denx.de> writes:
>add at least icache support for at91 based boards.
>This speeds up NOR flash access on an at91sam9g15
>based board from 15.2 seconds reading 8 MiB from
>a SPI NOR flash to 5.7 seconds.
>
>Signed-off-by: Heiko Schocher <hs at denx.de>
>Reviewed-by: Simon Glass <sjg at chromium.org>
>Reviewed-by: Andreas Bießmann <andreas at biessmann.org>
>---
>removed the dcache enable in the gurnard board. Comment
>says that enabling dcache breaks Ethernet MAC ... why
>is it then enabled?
>
>@Simon: If you need dache enabled for the gurnard board,
>arch/arm/mach-at91/arm926ejs/cache.c is the correct place
>for doing this, I think. Please add there the common functions
>needed for dcache support on at91 plattforms and undef in
>the gurnard board configuration CONFIG_SYS_DCACHE_OFF.
>
> arch/arm/mach-at91/arm926ejs/Makefile |  1 +
> arch/arm/mach-at91/arm926ejs/cache.c  | 29 +++++++++++++++++++++++++++++
> board/bluewater/gurnard/gurnard.c     |  6 ------
> 3 files changed, 30 insertions(+), 6 deletions(-)
> create mode 100644 arch/arm/mach-at91/arm926ejs/cache.c

applied to u-boot-atmel/master, thanks!

Best regards,
Andreas Bießmann