Tested with TQM5200S on STK52XX.200 Board

Signed-off-by: Axel Beierlein belatronix@web.de --- cpu/mpc5xxx/cpu.c | 20 ++++++++++++++++++++ include/configs/TQM5200.h | 1 + include/mpc5xxx.h | 1 + 3 files changed, 22 insertions(+), 0 deletions(-)

diff --git a/cpu/mpc5xxx/cpu.c b/cpu/mpc5xxx/cpu.c index ace1653..d87f42c 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 bfb478a..5fb5f80 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 5d11ef0..0f5bee5 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)