m68k: add mcf5307 cpu support

[karo-tx-uboot.git] / arch / m68k / cpu / mcf530x / cpu.c

diff --git a/arch/m68k/cpu/mcf530x/cpu.c b/arch/m68k/cpu/mcf530x/cpu.c
new file mode 100644 (file)
index 0000000..78f4385
--- /dev/null
+++ b/arch/m68k/cpu/mcf530x/cpu.c
@@ -0,0 +1,36 @@
+/*
+ * (C) Copyright 2014  Angelo Dureghello <angelo@sysam.it>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ *
+ */
+
+#include <common.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;
+}
+
+int checkcpu(void)
+{
+       char buf[32];
+
+       printf("CPU:   Freescale Coldfire MCF5307 at %s MHz\n",
+              strmhz(buf, CONFIG_SYS_CPU_CLK));
+       return 0;
+}
+#endif