24 May, 2019
1 commit
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When running on SoC with multiple clusters, the boot CPU may not be fixed.
Add a API that can return the udevice for current boot CPU.
cpu driver needs to implement is_current_cpu interface for this feature,
otherwise the API only returns the first udevice in cpu uclass.Signed-off-by: Ye Li
18 Dec, 2018
1 commit
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This adds a timebase_freq member to the 'struct cpu_platdata', to
hold the "timebase-frequency" value in the cpu or /cpus node.Signed-off-by: Bin Meng
Reviewed-by: Simon Glass
Reviewed-by: Lukas Auer
Reviewed-by: Anup Patel
18 Sep, 2018
2 commits
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Add a method to probe all CPUs of the board.
Signed-off-by: Mario Six
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Documentation in cpu.h is not in kernel-doc format. Change it to comply
with it.Signed-off-by: Mario Six
07 May, 2018
1 commit
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When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from. So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry. Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents. There's also a few places where I found we did not have a tag
and have introduced one.Signed-off-by: Tom Rini
19 Oct, 2016
2 commits
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The CPU udevice already has a few callbacks to retreive information
about the currently running CPUs. This patch adds a new get_vendor()
call that returns the vendor of the main CPUs.Signed-off-by: Alexander Graf
Reviewed-by: Simon Glass
Reviewed-by: Bin Meng -
For SMBIOS tables we need to know the CPU family as well as CPU IDs. This
patches allocates some space for them in the cpu device and populates it
on x86.Signed-off-by: Alexander Graf
Reviewed-by: Simon Glass
Reviewed-by: Bin Meng
17 Mar, 2016
1 commit
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Some CPUs use microcode and each core can have a different version of
microcode loaded. Also some CPUs support the concept of an integer ID used
for identification purposes. Add support for these in the CPU uclass.Signed-off-by: Simon Glass
Reviewed-by: Bin Meng
15 Jul, 2015
1 commit
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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
Acked-by: Simon Glass
30 Apr, 2015
1 commit
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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
Reviewed-by: Bin Meng