*
* 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 ...
- *
+ *
*/
#include <command.h>
#include <mpc5xx.h>
+DECLARE_GLOBAL_DATA_PTR;
#if (defined(CONFIG_MPC555))
# define ID_STR "MPC555/556"
*/
int checkcpu (void)
{
- DECLARE_GLOBAL_DATA_PTR;
-
ulong clock = gd->cpu_clk;
uint immr = get_immr (0); /* Return full IMMR contents */
uint pvr = get_pvr (); /* Retrieve PVR register */
}
/*
- * Called by macro WATCHDOG_RESET
+ * Called by macro WATCHDOG_RESET
*/
#if defined(CONFIG_WATCHDOG)
void watchdog_reset (void)
{
/* 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 */
*/
unsigned long get_tbclk (void)
{
- DECLARE_GLOBAL_DATA_PTR;
volatile immap_t *immr = (volatile immap_t *) CFG_IMMR;
ulong oscclk, factor;
return (oscclk / 16);
}
+void dcache_enable (void)
+{
+ return;
+}
+
+void dcache_disable (void)
+{
+ return;
+}
+
+int dcache_status (void)
+{
+ return 0; /* always off */
+}
/*
- * Reset board
+ * Reset board
*/
int do_reset (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
+#if defined(CONFIG_PATI)
+ volatile ulong *addr = (ulong *) CFG_RESET_ADDRESS;
+ *addr = 1;
+#else
ulong addr;
-
+
/* Interrupts off, enable reset */
- __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
- */
+ __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
+ */
#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) ();
+#endif /* #if defined(CONFIG_PATI) */
return 1;
}
-