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| author | Marek Vasut <marex@denx.de> | 2018-10-11 00:13:54 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-10-19 14:16:43 -0400 |
| commit | 758694ff076255115b6cd936b13108db3773ee57 (patch) | |
| tree | 1971435494cc09e1c1e1f481d41872c569d76343 /drivers/bootcount/bootcount.c | |
| parent | 0533fb8b3f81051a5d18c6438b3f8fbb4bc6c84d (diff) | |
| download | u-boot-758694ff076255115b6cd936b13108db3773ee57.zip u-boot-758694ff076255115b6cd936b13108db3773ee57.tar.gz u-boot-758694ff076255115b6cd936b13108db3773ee57.tar.bz2 | |
bootcount: Make bootcount magic configurable
Add new Kconfig option, SYS_BOOTCOUNT_MAGIC, to select the boot
counter magic word. This can be useful ie. in case the entire
boot counter register is not usable.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'drivers/bootcount/bootcount.c')
| -rw-r--r-- | drivers/bootcount/bootcount.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/bootcount/bootcount.c b/drivers/bootcount/bootcount.c index 646c563..66c1284 100644 --- a/drivers/bootcount/bootcount.c +++ b/drivers/bootcount/bootcount.c @@ -16,13 +16,13 @@ __weak void bootcount_store(ulong a) uintptr_t flush_end; #if defined(CONFIG_SYS_BOOTCOUNT_SINGLEWORD) - raw_bootcount_store(reg, (BOOTCOUNT_MAGIC & 0xffff0000) | a); + raw_bootcount_store(reg, (CONFIG_SYS_BOOTCOUNT_MAGIC & 0xffff0000) | a); flush_end = roundup(CONFIG_SYS_BOOTCOUNT_ADDR + 4, CONFIG_SYS_CACHELINE_SIZE); #else raw_bootcount_store(reg, a); - raw_bootcount_store(reg + 4, BOOTCOUNT_MAGIC); + raw_bootcount_store(reg + 4, CONFIG_SYS_BOOTCOUNT_MAGIC); flush_end = roundup(CONFIG_SYS_BOOTCOUNT_ADDR + 8, CONFIG_SYS_CACHELINE_SIZE); @@ -37,12 +37,12 @@ __weak ulong bootcount_load(void) #if defined(CONFIG_SYS_BOOTCOUNT_SINGLEWORD) u32 tmp = raw_bootcount_load(reg); - if ((tmp & 0xffff0000) != (BOOTCOUNT_MAGIC & 0xffff0000)) + if ((tmp & 0xffff0000) != (CONFIG_SYS_BOOTCOUNT_MAGIC & 0xffff0000)) return 0; else return (tmp & 0x0000ffff); #else - if (raw_bootcount_load(reg + 4) != BOOTCOUNT_MAGIC) + if (raw_bootcount_load(reg + 4) != CONFIG_SYS_BOOTCOUNT_MAGIC) return 0; else return raw_bootcount_load(reg); |