The AM65 SoC has 2MB MSMC RAM. Add this as a mmio-sram node so drivers can use it via genpool API.
Following areas are marked reserved: - Lower 128KB for ATF - 64KB@0xf0000 for SYSFW - Upper 1MB for cache The reserved locations are subject to change at runtime by the bootloader. Cc: Nishanth Menon <[email protected]> Cc: Lokesh Vutla <[email protected]> Cc: Andrew F. Davis <[email protected]> Signed-off-by: Roger Quadros <[email protected]> --- arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi index 272cf8f..5a18150 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi @@ -6,6 +6,26 @@ */ &cbass_main { + msmc_ram: sram@70000000 { + compatible = "mmio-sram"; + reg = <0x0 0x70000000 0x0 0x200000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x0 0x70000000 0x200000>; + + atf-sram@0 { + reg = <0x0 0x20000>; + }; + + sysfw-sram@f0000 { + reg = <0xf0000 0x10000>; + }; + + l3cache-sram@100000 { + reg = <0x100000 0x100000>; + }; + }; + gic500: interrupt-controller@1800000 { compatible = "arm,gic-v3"; #address-cells = <2>; -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
