diff options
| author | Christian Hewitt <christianshewitt@gmail.com> | 2022-01-26 04:49:52 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-02-23 12:00:00 +0100 |
| commit | daa868080996b29c8bb6cdd39cdf3fff6a681c1c (patch) | |
| tree | 04758b92c933834c49843da5498a5cf8a70fbdc3 /arch | |
| parent | ba4b40356abd526a18c9804d93dbf63b20b2eebc (diff) | |
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>
Diffstat (limited to 'arch')
| -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 ce230d6ac35c..ad7bc0eec668 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi @@ -41,6 +41,12 @@ 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; |