GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/arch/m68k/cpu/mcf530x/cpu.c

@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2014  Angelo Dureghello <angelo@sysam.it>
+ *
+ */
+
+#include <common.h>
+#include <vsprintf.h>
+#include <asm/immap.h>
+#include <asm/io.h>
+
+#ifdef CONFIG_M5307
+int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	sim_t *sim = (sim_t *)(MMAP_SIM);
+
+	/* enable watchdog/reset, set timeout to 0 and wait */
+	out_8(&sim->sypcr, SYPCR_SWE | SYPCR_SWRI);
+
+	/* wait for watchdog reset */
+	for (;;)
+		;
+
+	/* we don't return! */
+	return 0;
+}
+
+#if defined(CONFIG_DISPLAY_CPUINFO)
+int print_cpuinfo(void)
+{
+	char buf[32];
+
+	printf("CPU:   Freescale Coldfire MCF5307 at %s MHz\n",
+	       strmhz(buf, CONFIG_SYS_CPU_CLK));
+	return 0;
+}
+#endif /* CONFIG_DISPLAY_CPUINFO */
+#endif