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add TRNG output to board bring-up test

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bunnie 2024-01-20 01:26:30 +08:00
parent 2fb5b171c0
commit 798183fe95
1 changed files with 8 additions and 0 deletions
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8
loader/src/platform/cramium/cramium.rs
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@ -1,4 +1,5 @@
use cramium_hal::iox::{Iox, IoxDir, IoxEnable, IoxFunction, IoxPort};
use cramium_hal::sce;
use cramium_hal::udma;
use utralib::generated::*;
@ -133,6 +134,13 @@ pub fn early_init() {
// makes things a little bit cleaner for JTAG ops, it seems.
#[cfg(feature = "board-bringup")]
{
// do a quick TRNG test.
let mut trng = sce::trng::Trng::new(HW_TRNG_BASE);
trng.setup_raw_generation(256);
for _ in 0..8 {
crate::println!("trng raw: {:x}", trng.get_u32().unwrap_or(0xDEAD_BEEF));
}
let rx_buf = unsafe {
// safety: it's safe only because we are manually tracking the allocations in IFRAM0. Yuck!
core::slice::from_raw_parts_mut(