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Fix VTF for QingKe-V2A/C #10

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Fix VTF for QingKe-V2A/C #10

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6 changes: 5 additions & 1 deletion src/pfic.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -153,7 +153,11 @@ pub unsafe fn enable_vtf(channel: u8, irq: u8, address: u32) {
// [7:0]: Numbering of VTF interrupt 0
const PFIC_VTFIDR: *mut u32 = 0xE000E050 as *mut u32;

ptr::write_volatile(PFIC_VTFIDR, (irq as u32) << ((channel as u32) * 8));
let irq_bits = (irq as u32) << ((channel as u32) * 8);
let irq_mask = 0xFF << ((channel as u32) * 8);

let irq = ptr::read_volatile(PFIC_VTFIDR);
ptr::write_volatile(PFIC_VTFIDR, irq & !irq_mask | irq_bits);

ptr::write_volatile(
PFIC_VTFADDRR0.offset(channel as isize),
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