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| 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 /cpu/mpc5xxx | |
| parent | 0800707b6d5041a840a65d556032c15c584b55f8 (diff) | |
| download | u-boot-imx-bef92e215d945cc574399c1a1b00a3a76d35aa03.zip u-boot-imx-bef92e215d945cc574399c1a1b00a3a76d35aa03.tar.gz u-boot-imx-bef92e215d945cc574399c1a1b00a3a76d35aa03.tar.bz2 | |
Adding bootlimit/bootcount feature for MPC5XXX on TQM5200 Boards
Tested with TQM5200S on STK52XX.200 Board
Signed-off-by: Axel Beierlein <belatronix@web.de>
Diffstat (limited to 'cpu/mpc5xxx')
| -rw-r--r-- | cpu/mpc5xxx/cpu.c | 20 |
1 files changed, 20 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 */ |