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Adding bootlimit/bootcount feature for MPC5XXX on TQM5200 Boards 

Tested with TQM5200S on STK52XX.200 Board

Signed-off-by: Axel Beierlein <belatronix@web.de>
This commit is contained in:
Axel Beierlein 2008-08-16 00:30:48 +02:00 committed by Wolfgang Denk
parent 0800707b6d
commit bef92e215d
3 changed files with 22 additions and 0 deletions
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20
cpu/mpc5xxx/cpu.c
View File

@ -135,3 +135,23 @@ void ft_cpu_setup(void *blob, bd_t *bd)
#endif
}
#endif
#ifdef CONFIG_BOOTCOUNT_LIMIT
void bootcount_store (ulong a)
{
volatile ulong *save_addr = (volatile ulong *)(MPC5XXX_CDM_BRDCRMB);
*save_addr = (BOOTCOUNT_MAGIC & 0xffff0000) | a;
}
ulong bootcount_load (void)
{
volatile ulong *save_addr = (volatile ulong *)(MPC5XXX_CDM_BRDCRMB);
if ((*save_addr & 0xffff0000) != (BOOTCOUNT_MAGIC & 0xffff0000))
return 0;
else
return (*save_addr & 0x0000ffff);
}
#endif /* CONFIG_BOOTCOUNT_LIMIT */

1
include/configs/TQM5200.h
View File

@ -55,6 +55,7 @@
#define CONFIG_PSC_CONSOLE 1 /* console is on PSC1 */
#define CONFIG_BAUDRATE 115200 /* ... at 115200 bps */
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 }
#define CONFIG_BOOTCOUNT_LIMIT 1
#ifdef CONFIG_FO300
#define CFG_DEVICE_NULLDEV 1 /* enable null device */

1
include/mpc5xxx.h
View File

@ -137,6 +137,7 @@
/* Clock Distribution Module */
#define MPC5XXX_CDM_JTAGID (MPC5XXX_CDM + 0x0000)
#define MPC5XXX_CDM_PORCFG (MPC5XXX_CDM + 0x0004)
#define MPC5XXX_CDM_BRDCRMB (MPC5XXX_CDM + 0x0008)
#define MPC5XXX_CDM_CFG (MPC5XXX_CDM + 0x000c)
#define MPC5XXX_CDM_48_FDC (MPC5XXX_CDM + 0x0010)
#define MPC5XXX_CDM_SRESET (MPC5XXX_CDM + 0x0020)