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Amlogic Meson8 and Meson8b SRAM for smp bringup:
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Amlogic's SMP-capable SoCs use part of the sram for the bringup of the cores.
Once the core gets powered up it executes the code that is residing at a
specific location.
Therefore a reserved section sub-node has to be added to the mmio-sram
declaration.
Required sub-node properties:
- compatible : depending on the SoC this should be one of:
"amlogic,meson8-smp-sram"
"amlogic,meson8b-smp-sram"
The rest of the properties should follow the generic mmio-sram discription
found in ../../misc/sram.txt
Example:
sram: sram@d9000000 {
compatible = "mmio-sram";
reg = <0xd9000000 0x20000>;
#address-cells = <1>;
#size-cells = <1>;
ranges = <0 0xd9000000 0x20000>;
smp-sram@1ff80 {
compatible = "amlogic,meson8b-smp-sram";
reg = <0x1ff80 0x8>;
};
};