diff options
| author | Simon Glass | 2016-03-06 19:27:49 -0700 |
|---|---|---|
| committer | Bin Meng | 2016-03-17 10:27:22 +0800 |
| commit | 740d5d34b12f49b5e6c48e06dd8f519d9563a7e3 (patch) | |
| tree | a303a6b6ecd24167d18784f59221a91ab274a138 /cmd/cpu.c | |
| parent | e23c6c28b01785547e0356667ab435ef904af531 (diff) | |
cpu: Add support for microcode version and CPU ID
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 <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'cmd/cpu.c')
| -rw-r--r-- | cmd/cpu.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/cmd/cpu.c b/cmd/cpu.c index b4af64f54f9..bc4dc5c529b 100644 --- a/cmd/cpu.c +++ b/cmd/cpu.c @@ -14,6 +14,7 @@ static const char *cpu_feature_name[CPU_FEAT_COUNT] = { "L1 cache", "MMU", + "Microcode", }; static int print_cpu_list(bool detail) @@ -58,6 +59,12 @@ static int print_cpu_list(bool detail) } } printf("\n"); + if (info.features & (1 << CPU_FEAT_UCODE)) { + printf("\tMicrocode version %#x\n", + plat->ucode_version); + } + if (info.features & (1 << CPU_FEAT_DEVICE_ID)) + printf("\tDevice ID %#lx\n", plat->device_id); } return 0; |