diff options
Diffstat (limited to 'cpu/mpc5xx/cpu.c')
| -rw-r--r-- | cpu/mpc5xx/cpu.c | 41 |
1 files changed, 20 insertions, 21 deletions
diff --git a/cpu/mpc5xx/cpu.c b/cpu/mpc5xx/cpu.c index 5b3bd26b433..cc695118e04 100644 --- a/cpu/mpc5xx/cpu.c +++ b/cpu/mpc5xx/cpu.c @@ -17,15 +17,15 @@ * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software - * Foundation, + * Foundation, */ /* * File: cpu.c - * - * Discription: Some cpu specific function for watchdog, + * + * Discription: Some cpu specific function for watchdog, * cpu version test, clock setting ... - * + * */ @@ -74,7 +74,7 @@ int checkcpu (void) } /* - * Called by macro WATCHDOG_RESET + * Called by macro WATCHDOG_RESET */ #if defined(CONFIG_WATCHDOG) void watchdog_reset (void) @@ -93,7 +93,7 @@ void reset_5xx_watchdog (volatile immap_t * immr) { /* Use the MPC5xx Internal Watchdog */ immr->im_siu_conf.sc_swsr = 0x556c; /* Prevent SW time-out */ - immr->im_siu_conf.sc_swsr = 0xaa39; + immr->im_siu_conf.sc_swsr = 0xaa39; } #endif /* CONFIG_WATCHDOG */ @@ -124,32 +124,31 @@ unsigned long get_tbclk (void) /* - * Reset board + * Reset board */ int do_reset (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) { ulong addr; - + /* Interrupts off, enable reset */ - __asm__ volatile (" mtspr 81, %r0 \n\t" + __asm__ volatile (" mtspr 81, %r0 \n\t" " mfmsr %r3 \n\t" " rlwinm %r31,%r3,0,25,23\n\t" " mtmsr %r31 \n\t"); - /* - * Trying to execute the next instruction at a non-existing address - * should cause a machine check, resulting in reset - */ + /* + * Trying to execute the next instruction at a non-existing address + * should cause a machine check, resulting in reset + */ #ifdef CFG_RESET_ADDRESS - addr = CFG_RESET_ADDRESS; + addr = CFG_RESET_ADDRESS; #else - /* - * note: when CFG_MONITOR_BASE points to a RAM address, CFG_MONITOR_BASE * - sizeof (ulong) is usually a valid address. Better pick an address - * known to be invalid on your system and assign it to CFG_RESET_ADDRESS. - * "(ulong)-1" used to be a good choice for many systems... - */ - addr = CFG_MONITOR_BASE - sizeof (ulong); + /* + * note: when CFG_MONITOR_BASE points to a RAM address, CFG_MONITOR_BASE * - sizeof (ulong) is usually a valid address. Better pick an address + * known to be invalid on your system and assign it to CFG_RESET_ADDRESS. + * "(ulong)-1" used to be a good choice for many systems... + */ + addr = CFG_MONITOR_BASE - sizeof (ulong); #endif ((void (*) (void)) addr) (); return 1; } - |