astro/zynq-rs
1
0
Fork 0
forked from M-Labs/zynq-rs
Code Issues Pull Requests Releases Wiki Activity

libsupport: fixed core1 restart.

Browse Source 
The TRM mentioned that user should stop the clock, de-assert the reset,
and then restart the clock for core reset.

This fixes the kernel restart problem in one of the zc706 board.
This commit is contained in:
pca006132 2020-07-07 10:17:15 +08:00
parent e4e7141bf3
commit e67efe439b
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libsupport_zynq/src/boot.rs
View File

@ -158,7 +158,9 @@ impl Core1 {
pub fn restart(&self) {
slcr::RegisterBlock::unlocked(|slcr| {
slcr.a9_cpu_rst_ctrl.modify(|_, w| w.a9_rst1(true));
slcr.a9_cpu_rst_ctrl.modify(|_, w| w.a9_clkstop1(true));
slcr.a9_cpu_rst_ctrl.modify(|_, w| w.a9_rst1(false));
slcr.a9_cpu_rst_ctrl.modify(|_, w| w.a9_clkstop1(false));
});
}
}