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path: root/drivers/sysreset/sysreset_microblaze.c
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Diffstat (limited to 'drivers/sysreset/sysreset_microblaze.c')
-rw-r--r--drivers/sysreset/sysreset_microblaze.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/sysreset/sysreset_microblaze.c b/drivers/sysreset/sysreset_microblaze.c
new file mode 100644
index 0000000000..514c95817f
--- /dev/null
+++ b/drivers/sysreset/sysreset_microblaze.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2018 Xilinx, Inc. - Michal Simek
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <sysreset.h>
+#include <linux/err.h>
+
+static int microblaze_sysreset_request(struct udevice *dev,
+ enum sysreset_t type)
+{
+ puts("Microblaze soft reset sysreset\n");
+ __asm__ __volatile__ (" mts rmsr, r0;" \
+ "bra r0");
+
+ return -EINPROGRESS;
+}
+
+static struct sysreset_ops microblaze_sysreset = {
+ .request = microblaze_sysreset_request,
+};
+
+U_BOOT_DRIVER(sysreset_microblaze) = {
+ .id = UCLASS_SYSRESET,
+ .name = "mb_soft_reset",
+ .ops = &microblaze_sysreset,
+};