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authorTsiChungLiew <Tsi-Chung.Liew@freescale.com>2007-08-16 13:20:50 -0500
committerJohn Rigby <jrigby@freescale.com>2007-08-16 17:43:21 -0600
commita1436a842654a8d3927d082a8ae9ee0a10da62d7 (patch)
tree1dccbd40831f7ad96d9cfecb0be82644dcb48279 /cpu/mcf52x2/cpu.c
parenta605aacd8324094199402816cc6d9124aba57b8d (diff)
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ColdFire: Add M5253EVBE platform for MCF52x2
Signed-off-by: TsiChungLiew <Tsi-Chung.Liew@freescale.com>
Diffstat (limited to 'cpu/mcf52x2/cpu.c')
-rw-r--r--cpu/mcf52x2/cpu.c32
1 files changed, 31 insertions, 1 deletions
diff --git a/cpu/mcf52x2/cpu.c b/cpu/mcf52x2/cpu.c
index 96fe371..71ea408 100644
--- a/cpu/mcf52x2/cpu.c
+++ b/cpu/mcf52x2/cpu.c
@@ -205,7 +205,7 @@ int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
};
#endif
-#ifdef CONFIG_M5249 /* test-only: todo... */
+#ifdef CONFIG_M5249
int checkcpu(void)
{
char buf[32];
@@ -225,3 +225,33 @@ int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
return 0;
};
#endif
+
+#ifdef CONFIG_M5253
+int checkcpu(void)
+{
+ char buf[32];
+
+ unsigned char resetsource = mbar_readLong(SIM_RSR);
+ printf("CPU: Freescale Coldfire MCF5253 at %s MHz\n",
+ strmhz(buf, CFG_CLK));
+
+ if ((resetsource & SIM_RSR_HRST) || (resetsource & SIM_RSR_SWTR)) {
+ printf("Reset:%s%s\n",
+ (resetsource & SIM_RSR_HRST) ? " Hardware/ System Reset"
+ : "",
+ (resetsource & SIM_RSR_SWTR) ? " Software Watchdog" :
+ "");
+ }
+ return 0;
+}
+
+int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
+{
+ /* enable watchdog, set timeout to 0 and wait */
+ mbar_writeByte(SIM_SYPCR, 0xc0);
+ while (1) ;
+
+ /* we don't return! */
+ return 0;
+};
+#endif