slcr: remove soft reset

Does not work and probably difficult to get to work.

libboard_zynq/src/slcr.rs

@@ -265,14 +265,6 @@ impl RegisterBlock {
         r
     }
 
-    /// Perform a soft reset
-    pub fn soft_reset(&mut self) {
-        self.pss_rst_ctrl.write(
-            PssRstCtrl::zeroed()
-                .soft_rst(true)
-        );
-    }
-
     pub fn init_preload_fpga(&mut self) {
         // Assert FPGA top level output resets
         self.fpga_rst_ctrl.write(

libsupport_zynq/src/abort.rs

@@ -8,7 +8,6 @@ pub unsafe extern "C" fn PrefetchAbort() {
 
     println!("PrefetchAbort");
 
-    slcr::RegisterBlock::unlocked(|slcr| slcr.soft_reset());
     loop {}
 }
 
@@ -20,6 +19,5 @@ pub unsafe extern "C" fn DataAbort() {
     println!("DataAbort on core {}", MPIDR.read() & CORE_MASK);
     println!("DFSR: {:03X}", DFSR.read());
 
-    slcr::RegisterBlock::unlocked(|slcr| slcr.soft_reset());
     loop {}
 }

libsupport_zynq/src/panic.rs

@@ -14,6 +14,5 @@ fn panic(info: &core::panic::PanicInfo) -> ! {
         println!("");
     }
 
-    slcr::RegisterBlock::unlocked(|slcr| slcr.soft_reset());
     loop {}
 }