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-rw-r--r--arch/xtensa/platforms/xtfpga/setup.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/xtensa/platforms/xtfpga/setup.c b/arch/xtensa/platforms/xtfpga/setup.c
index 59b7f11f2a3e..538e6748e85a 100644
--- a/arch/xtensa/platforms/xtfpga/setup.c
+++ b/arch/xtensa/platforms/xtfpga/setup.c
@@ -51,8 +51,12 @@ void platform_power_off(void)
void platform_restart(void)
{
- /* Flush and reset the mmu, simulate a processor reset, and
- * jump to the reset vector. */
+ /* Try software reset first. */
+ WRITE_ONCE(*(u32 *)XTFPGA_SWRST_VADDR, 0xdead);
+
+ /* If software reset did not work, flush and reset the mmu,
+ * simulate a processor reset, and jump to the reset vector.
+ */
cpu_reset();
/* control never gets here */
}