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added display of reset cause and processor identification

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This commit is contained in:
Markus Fröschle
2013-07-23 05:05:07 +00:00
parent 7c6dc866dc
commit ee307287a3
1 changed files with 69 additions and 1 deletions
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70
BaS_gcc/sources/sysinit.c
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@@ -225,7 +225,7 @@ void init_serial(void)
MCF_PSC3_PSCCR = 0x05; MCF_PSC3_PSCCR = 0x05;
MCF_INTC_ICR32 = 0x3F; //MAXIMALE PRIORITY/**********/ MCF_INTC_ICR32 = 0x3F; //MAXIMALE PRIORITY/**********/
xprintf("serial interfaces initialization: finished\r\n"); xprintf("\r\nserial interfaces initialization: finished\r\n");
} }
/********************************************************************/ /********************************************************************/
@@ -843,6 +843,74 @@ void initialize_hardware(void) {
init_gpio(); init_gpio();
init_serial(); init_serial();
/*
* Determine cause(s) of Reset
*/
xprintf("\n\n");
if (MCF_SIU_RSR & MCF_SIU_RSR_RST)
xprintf("Reset. Cause: External Reset\r\n");
if (MCF_SIU_RSR & MCF_SIU_RSR_RSTWD)
xprintf("Reset. Cause: Watchdog Timer Reset\n");
if (MCF_SIU_RSR & MCF_SIU_RSR_RSTJTG)
xprintf("Reset. Cause: BDM/JTAG Reset\r\n");
/*
* Clear the Reset Status Register
*/
MCF_SIU_RSR = (MCF_SIU_RSR_RST
| MCF_SIU_RSR_RSTWD
| MCF_SIU_RSR_RSTJTG);
/*
* Determine which processor we are running on
*/
xprintf("JTAGID: ");
switch (MCF_SIU_JTAGID & MCF_SIU_JTAGID_PROCESSOR)
{
case MCF_SIU_JTAGID_MCF5485:
xprintf("MCF5485");
break;
case MCF_SIU_JTAGID_MCF5484:
xprintf("MCF5484");
break;
case MCF_SIU_JTAGID_MCF5483:
xprintf("MCF5483");
break;
case MCF_SIU_JTAGID_MCF5482:
xprintf("MCF5482");
break;
case MCF_SIU_JTAGID_MCF5481:
xprintf("MCF5481");
break;
case MCF_SIU_JTAGID_MCF5480:
xprintf("MCF5480");
break;
case MCF_SIU_JTAGID_MCF5475:
xprintf("MCF5475");
break;
case MCF_SIU_JTAGID_MCF5474:
xprintf("MCF5474");
break;
case MCF_SIU_JTAGID_MCF5473:
xprintf("MCF5473");
break;
case MCF_SIU_JTAGID_MCF5472:
xprintf("MCF5472");
break;
case MCF_SIU_JTAGID_MCF5471:
xprintf("MCF5471");
break;
case MCF_SIU_JTAGID_MCF5470:
xprintf("MCF5470");
break;
}
/*
* Determine the processor revision
*/
xprintf(" (revision %d)\r\n",((MCF_SIU_JTAGID & MCF_SIU_JTAGID_REV) >> 28));
init_slt(); init_slt();
init_fbcs(); init_fbcs();
init_ddram(); init_ddram();