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[wip:explore/interrupts] Interrupt controller defs from DTB

This commit is contained in:
Berkus Decker 2021-01-13 00:20:43 +02:00
parent 94789e7979
commit f842a467e4
1 changed files with 57 additions and 0 deletions
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57
nucleus/src/platform/rpi3/gic.rs
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@ -1 +1,58 @@
/*
rpi-3-b-plus FDT:
interrupt-controller@7e00b200 {
compatible = "brcm,bcm2836-armctrl-ic";
reg = <0x7e00b200 0x00000200>;
interrupt-controller;
#interrupt-cells = <0x00000002>;
interrupt-parent = <0x00000018>;
interrupts = <0x00000008 0x00000004>;
phandle = <0x00000001>;
};
local_intc@40000000 {
compatible = "brcm,bcm2836-l1-intc";
reg = <0x40000000 0x00000100>;
interrupt-controller;
#interrupt-cells = <0x00000002>;
interrupt-parent = <0x00000018>;
phandle = <0x00000018>;
};
timer {
compatible = "arm,armv7-timer";
interrupt-parent = <0x00000018>;
interrupts = <0x00000000 0x00000004 0x00000001 0x00000004 0x00000003 0x00000004 0x00000002 0x00000004>;
always-on;
};
rpi-400 FDT:
interrupt-controller@40041000 {
interrupt-controller;
#interrupt-cells = <0x00000003>;
compatible = "arm,gic-400";
reg = <0x40041000 0x00001000 0x40042000 0x00002000 0x40044000 0x00002000 0x40046000 0x00002000>;
interrupts = <0x00000001 0x00000009 0x00000f04>;
phandle = <0x00000001>;
};
local_intc@40000000 {
compatible = "brcm,bcm2836-l1-intc";
reg = <0x40000000 0x00000100>;
phandle = <0x000000b2>;
};
timer@7e003000 {
compatible = "brcm,bcm2835-system-timer";
reg = <0x7e003000 0x00001000>;
interrupts = <0x00000000 0x00000040 0x00000004 0x00000000 0x00000041 0x00000004 0x00000000 0x00000042 0x00000004 0x00000000 0x00000043 0x00000004>;
clock-frequency = <0x000f4240>;
phandle = <0x00000044>;
};
*/
pub fn get_active_irq() -> core::Result<u16> {}