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| author | Christian Hewitt <christianshewitt@gmail.com> | 2022-01-26 07:49:52 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-02-23 14:03:18 +0300 |
| commit | de3b10b7ccc60786836b5d67ee4328e2dfe96917 (patch) | |
| tree | 3bb77fcc8a1908ea10dcf65e6942d24dda97d13b | |
| parent | 5644bf688e4a6042e57288cbc28cc083febb8f99 (diff) | |
| download | linux-de3b10b7ccc60786836b5d67ee4328e2dfe96917.tar.xz | |
arm64: dts: meson-gx: add ATF BL32 reserved-memory region
[ Upstream commit 76577c9137456febb05b0e17d244113196a98968 ]
Add an additional reserved memory region for the BL32 trusted firmware
present in many devices that boot from Amlogic vendor u-boot.
Suggested-by: Mateusz Krzak <kszaquitto@gmail.com>
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20220126044954.19069-2-christianshewitt@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | arch/arm64/boot/dts/amlogic/meson-gx.dtsi | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi index 6b457b2c30a4..aa14ea017a61 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi @@ -49,6 +49,12 @@ no-map; }; + /* 32 MiB reserved for ARM Trusted Firmware (BL32) */ + secmon_reserved_bl32: secmon@5300000 { + reg = <0x0 0x05300000 0x0 0x2000000>; + no-map; + }; + linux,cma { compatible = "shared-dma-pool"; reusable; |