[U-Boot] TI: Rework SRAM definitions and maximums

[Tom Rini <trini@konsulko.com>]

On Fri, Aug 26, 2016 at 01:30:43PM -0400, Tom Rini wrote:

> On all TI platforms the ROM defines a "downloaded image" area at or near
> the start of SRAM which is followed by a reserved area.  As it is at
> best bad form and at worst possibly harmful in corner cases to write in
> this reserved area, we stop doing that by adding in the define
> NON_SECURE_SRAM_IMG_END to say where the end of the downloaded image
> area is and make SRAM_SCRATCH_SPACE_ADDR be one kilobyte before this.
> At current we define the end of scratch space at 0x228 bytes past the
> start of scratch space this this gives us a lot of room to grow.  As
> these scratch uses are non-optional today, all targets are modified to
> respect this boundary.
> 
> Tested on OMAP4 Pandaboard, OMAP3 Beagle xM
> 
> Cc: Albert Aribaud <albert.u.boot@aribaud.net>
> Cc: Nagendra T S <nagendra@mistralsolutions.com>
> Cc: Vaibhav Hiremath <hvaibhav@ti.com>
> Cc: Lokesh Vutla <lokeshvutla@ti.com>
> Cc: Felipe Balbi <balbi@ti.com>
> Cc: Igor Grinberg <grinberg@compulab.co.il>
> Cc: Nikita Kiryanov <nikita@compulab.co.il>
> Cc: Paul Kocialkowski <contact@paulk.fr>
> Cc: Enric Balletbo i Serra <eballetbo@gmail.com>
> Cc: Adam Ford <aford173@gmail.com>
> Cc: Steve Sakoman <sakoman@gmail.com>
> Cc: Stefan Roese <sr@denx.de>
> Cc: Thomas Weber <weber@corscience.de>
> Cc: Hannes Schmelzer <oe5hpm@oevsv.at>
> Cc: Thomas Chou <thomas@wytron.com.tw>
> Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
> Cc: Simon Glass <sjg@chromium.org>
> Cc: Joe Hershberger <joe.hershberger@ni.com>
> Cc: Sam Protsenko <semen.protsenko@linaro.org>
> Cc: Heiko Schocher <hs@denx.de>
> Cc: Samuel Egli <samuel.egli@siemens.com>
> Cc: Michal Simek <michal.simek@xilinx.com>
> Cc: Wolfgang Denk <wd@denx.de>
> Cc: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
> Cc: Ben Whitten <ben.whitten@gmail.com>
> Cc: Stefano Babic <sbabic@denx.de>
> Cc: Bin Meng <bmeng.cn@gmail.com>
> Cc: Sekhar Nori <nsekhar@ti.com>
> Cc: Mugunthan V N <mugunthanvnm@ti.com>
> Cc: "B, Ravi" <ravibabu@ti.com>
> Cc: "Matwey V. Kornilov" <matwey.kornilov@gmail.com>
> Cc: Ladislav Michl <ladis@linux-mips.org>
> Cc: Ash Charles <ashcharles@gmail.com>
> Cc: "Kipisz, Steven" <s-kipisz2@ti.com>
> Cc: Daniel Allred <d-allred@ti.com>
> Signed-off-by: Tom Rini <trini@konsulko.com>
> Tested-by: Lokesh Vutla <lokeshvutla@ti.com>
> Acked-by: Lokesh Vutla <lokeshvutla@ti.com>
> Tested-by: Ladislav Michl <ladis@linux-mips.org>

Applied to u-boot/master, thanks!

-- 
Tom
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