| From fa2dc55d6f68c3421aa8689884c63af84edc896d Mon Sep 17 00:00:00 2001 |
| From: Sasha Levin <sashal@kernel.org> |
| Date: Wed, 26 Jan 2022 04:49:52 +0000 |
| Subject: arm64: dts: meson-gx: add ATF BL32 reserved-memory region |
| |
| From: Christian Hewitt <christianshewitt@gmail.com> |
| |
| [ 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> |
| --- |
| arch/arm64/boot/dts/amlogic/meson-gx.dtsi | 6 ++++++ |
| 1 file changed, 6 insertions(+) |
| |
| diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi |
| index ce230d6ac35cd..ad7bc0eec6682 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; |
| -- |
| 2.34.1 |
| |
