From: Tom Rini <trini@konsulko.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [U-Boot, u-boot, v2] ARM: arch-meson: build memory banks using reported memory from registers
Date: Mon, 4 Dec 2017 13:36:32 -0500 [thread overview]
Message-ID: <20171204183632.GY3587@bill-the-cat> (raw)
In-Reply-To: <1511775346-5082-1-git-send-email-narmstrong@baylibre.com>
On Mon, Nov 27, 2017 at 10:35:46AM +0100, Neil Armstrong wrote:
> As discussed at [1], the Amlogic Meson GX SoCs can embed a BL31 firmware
> and a secondary BL32 firmware.
> Since mid-2017, the reserved memory address of the BL31 firmware was moved
> and grown for security reasons.
>
> But mainline U-Boot and Linux has the old address and size fixed.
>
> These SoCs have a register interface to get the two firmware reserved
> memory start and sizes.
>
> This patch adds a dynamic reservation of the memory zones in the device tree bootmem
> reserved memory zone used by the kernel in early boot.
> To be complete, the memory zones are also added to the EFI reserved zones.
>
> Depends on patchset "Add support for Amlogic GXL Based SBCs" at [2].
>
> [1] http://lists.infradead.org/pipermail/linux-amlogic/2017-October/004860.html
> [2] http://lists.infradead.org/pipermail/linux-amlogic/2017-November/005410.html
>
> Changes since v1:
> - switched the #if to if(IS_ENABLED()) to compile all code paths
> - renamed function to meson_board_add_reserved_memory()
> - added a mem.h header with comment
> - updated all boards ft_board_setup()
>
> Changes since RFC v2:
> - reduced preprocessor load
> - kept Odroid-C2 static memory mapping as exception
>
> Changes since RFC v1:
> - switch to fdt rsv mem table and efi reserve memory
> - replaced in_le32 by readl()
>
> Reviewed-by: Simon Glass <sjg@chromium.org>
> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
> Reviewed-by: Simon Glass <sjg@chromium.org>
Applied to u-boot/master, thanks!
--
Tom
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 819 bytes
Desc: not available
URL: <http://lists.denx.de/pipermail/u-boot/attachments/20171204/ed560e94/attachment.sig>
WARNING: multiple messages have this Message-ID (diff)
From: trini@konsulko.com (Tom Rini)
To: linus-amlogic@lists.infradead.org
Subject: [U-Boot, u-boot, v2] ARM: arch-meson: build memory banks using reported memory from registers
Date: Mon, 4 Dec 2017 13:36:32 -0500 [thread overview]
Message-ID: <20171204183632.GY3587@bill-the-cat> (raw)
In-Reply-To: <1511775346-5082-1-git-send-email-narmstrong@baylibre.com>
On Mon, Nov 27, 2017 at 10:35:46AM +0100, Neil Armstrong wrote:
> As discussed at [1], the Amlogic Meson GX SoCs can embed a BL31 firmware
> and a secondary BL32 firmware.
> Since mid-2017, the reserved memory address of the BL31 firmware was moved
> and grown for security reasons.
>
> But mainline U-Boot and Linux has the old address and size fixed.
>
> These SoCs have a register interface to get the two firmware reserved
> memory start and sizes.
>
> This patch adds a dynamic reservation of the memory zones in the device tree bootmem
> reserved memory zone used by the kernel in early boot.
> To be complete, the memory zones are also added to the EFI reserved zones.
>
> Depends on patchset "Add support for Amlogic GXL Based SBCs" at [2].
>
> [1] http://lists.infradead.org/pipermail/linux-amlogic/2017-October/004860.html
> [2] http://lists.infradead.org/pipermail/linux-amlogic/2017-November/005410.html
>
> Changes since v1:
> - switched the #if to if(IS_ENABLED()) to compile all code paths
> - renamed function to meson_board_add_reserved_memory()
> - added a mem.h header with comment
> - updated all boards ft_board_setup()
>
> Changes since RFC v2:
> - reduced preprocessor load
> - kept Odroid-C2 static memory mapping as exception
>
> Changes since RFC v1:
> - switch to fdt rsv mem table and efi reserve memory
> - replaced in_le32 by readl()
>
> Reviewed-by: Simon Glass <sjg@chromium.org>
> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
> Reviewed-by: Simon Glass <sjg@chromium.org>
Applied to u-boot/master, thanks!
--
Tom
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 819 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/linux-amlogic/attachments/20171204/ed560e94/attachment.sig>
next prev parent reply other threads:[~2017-12-04 18:36 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-27 9:35 [U-Boot] [PATCH u-boot v2] ARM: arch-meson: build memory banks using reported memory from registers Neil Armstrong
2017-11-27 9:35 ` Neil Armstrong
2017-11-27 17:12 ` [U-Boot] " Simon Glass
2017-11-27 17:12 ` Simon Glass
2017-12-04 18:36 ` Tom Rini [this message]
2017-12-04 18:36 ` [U-Boot, u-boot, " Tom Rini
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20171204183632.GY3587@bill-the-cat \
--to=trini@konsulko.com \
--cc=u-boot@lists.denx.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.