diff options
| author | Axel Beierlein <belatronix@web.de> | 2008-08-16 00:30:48 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2008-08-21 01:39:24 +0200 |
| commit | bef92e215d945cc574399c1a1b00a3a76d35aa03 (patch) | |
| tree | 3bb35fdf25c2a2dea08083ca2d48880f1935af6e | |
| parent | 0800707b6d5041a840a65d556032c15c584b55f8 (diff) | |
Adding bootlimit/bootcount feature for MPC5XXX on TQM5200 Boards
Tested with TQM5200S on STK52XX.200 Board
Signed-off-by: Axel Beierlein <belatronix@web.de>
| -rw-r--r-- | cpu/mpc5xxx/cpu.c | 20 | ||||
| -rw-r--r-- | include/configs/TQM5200.h | 1 | ||||
| -rw-r--r-- | include/mpc5xxx.h | 1 |
3 files changed, 22 insertions, 0 deletions
diff --git a/cpu/mpc5xxx/cpu.c b/cpu/mpc5xxx/cpu.c index ace16535f..d87f42ca2 100644 --- a/cpu/mpc5xxx/cpu.c +++ b/cpu/mpc5xxx/cpu.c @@ -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 */ diff --git a/include/configs/TQM5200.h b/include/configs/TQM5200.h index 992439f3b..0ba745589 100644 --- a/include/configs/TQM5200.h +++ b/include/configs/TQM5200.h @@ -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 */ diff --git a/include/mpc5xxx.h b/include/mpc5xxx.h index 5d11ef0f4..0f5bee574 100644 --- a/include/mpc5xxx.h +++ b/include/mpc5xxx.h @@ -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) |