diff options
Diffstat (limited to 'cpu/mcf52x2/cpu.c')
| -rw-r--r-- | cpu/mcf52x2/cpu.c | 32 |
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 |