diff options
Diffstat (limited to 'include/common.h')
| -rw-r--r-- | include/common.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/include/common.h b/include/common.h index 4d2a56d..bed4316 100644 --- a/include/common.h +++ b/include/common.h @@ -383,7 +383,7 @@ int setenv_hex(const char *varname, ulong value); /** * setenv_addr - Set an environment variable to an address in hex * - * @varname: Environmet variable to set + * @varname: Environment variable to set * @addr: Value to set it to * @return 0 if ok, 1 on error */ @@ -596,6 +596,12 @@ void ddr_enable_ecc(unsigned int dram_size); #endif #endif +/* + * Return the current value of a monotonically increasing microsecond timer. + * Granularity may be larger than 1us if hardware does not support this. + */ +ulong timer_get_us(void); + /* $(CPU)/cpu.c */ static inline int cpumask_next(int cpu, unsigned int mask) { @@ -1017,10 +1023,10 @@ static inline phys_addr_t map_to_sysmem(void *ptr) * of a function scoped static buffer. It can not be used to create a cache * line aligned global buffer. */ -#define PAD_COUNT(s, pad) ((s - 1) / pad + 1) +#define PAD_COUNT(s, pad) (((s) - 1) / (pad) + 1) #define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad) #define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \ - char __##name[ROUND(PAD_SIZE(size * sizeof(type), pad), align) \ + char __##name[ROUND(PAD_SIZE((size) * sizeof(type), pad), align) \ + (align - 1)]; \ \ type *name = (type *) ALIGN((uintptr_t)__##name, align) |