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path: root/drivers/cpu/cpu-uclass.c
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* x86: Move MP initialization codes into a common placeBin Meng2015-07-14-0/+2
| | | | | | | | | | | Most of the MP initialization codes in arch/x86/cpu/baytrail/cpu.c is common to all x86 processors, except detect_num_cpus() which varies from cpu to cpu. Move these to arch/x86/cpu/cpu.c and implement the new 'get_count' method for baytrail and cpu_x86 drivers. Now we call cpu_get_count() in mp_init() to get the number of CPUs. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Simon Glass <sjg@chromium.org>
* dm: cpu: Add a new get_count method to cpu uclassBin Meng2015-07-14-0/+10
| | | | | | | | Introduce a new method 'get_count' in the UCLASS_CPU ops to get the number of CPUs in the system. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Simon Glass <sjg@chromium.org>
* dm: cpu: Test against cpu_ops->get_info in cpu_get_info()Bin Meng2015-07-14-1/+1
| | | | | | | In cpu_get_info() it wrongly tests against cpu_ops->get_desc to see if it is NULL. It should test against cpu_ops->get_info. Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
* dm: cpu: Fix undefined ENOSYS build errorBin Meng2015-07-14-0/+1
| | | | | | | Include <errno.h> otherwise ENOSYS is undefined. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Simon Glass <sjg@chromium.org>
* dm: Implement a CPU uclassSimon Glass2015-04-29-0/+61
It is useful to be able to keep track of the available CPUs in a multi-CPU system. This uclass is mostly intended for use with SMP systems. The uclass provides methods for getting basic information about each CPU. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>