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| author | Simon Glass <sjg@chromium.org> | 2019-11-14 12:57:34 -0700 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2019-12-02 18:23:14 -0500 |
| commit | 30c7c4347307c807b0f9f9045053339507fd699e (patch) | |
| tree | ea140904a4bbb1a63b72da032a10eef41960548e /include/cpu_func.h | |
| parent | 2c629bd5c85ac2bd72f75cb2bce1ac1e5c505a73 (diff) | |
| download | u-boot-30c7c4347307c807b0f9f9045053339507fd699e.zip u-boot-30c7c4347307c807b0f9f9045053339507fd699e.tar.gz u-boot-30c7c4347307c807b0f9f9045053339507fd699e.tar.bz2 | |
common: Move checkcpu() out of common.h
This function belongs in cpu_func.h so move it over.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'include/cpu_func.h')
| -rw-r--r-- | include/cpu_func.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/cpu_func.h b/include/cpu_func.h index a99b69b..03feaa6 100644 --- a/include/cpu_func.h +++ b/include/cpu_func.h @@ -20,4 +20,33 @@ int cpu_reset(u32 nr); int cpu_disable(u32 nr); int cpu_release(u32 nr, int argc, char * const argv[]); +static inline int cpumask_next(int cpu, unsigned int mask) +{ + for (cpu++; !((1 << cpu) & mask); cpu++) + ; + + return cpu; +} + +#define for_each_cpu(iter, cpu, num_cpus, mask) \ + for (iter = 0, cpu = cpumask_next(-1, mask); \ + iter < num_cpus; \ + iter++, cpu = cpumask_next(cpu, mask)) \ + +int cpu_numcores(void); +int cpu_num_dspcores(void); +u32 cpu_mask(void); +u32 cpu_dsp_mask(void); +int is_core_valid(unsigned int core); + +/** + * checkcpu() - perform an early check of the CPU + * + * This is used on PowerPC, SH and X86 machines as a CPU init mechanism. It is + * called during the pre-relocation init sequence in board_init_f(). + * + * @return 0 if oK, -ve on error + */ +int checkcpu(void); + #endif |