Hi Simon,
On Fri, Nov 7, 2014 at 4:20 AM, Simon Glass sjg@chromium.org wrote:
Microcode updates are stored in the device tree. Work through these and apply any that are needed.
Signed-off-by: Simon Glass sjg@chromium.org
arch/x86/cpu/ivybridge/Makefile | 1 + arch/x86/cpu/ivybridge/cpu.c | 5 + arch/x86/cpu/ivybridge/microcode_intel.c | 150 ++++++++++++++++++++++++ arch/x86/include/asm/arch-ivybridge/microcode.h | 20 ++++ include/fdtdec.h | 1 + lib/fdtdec.c | 1 + 6 files changed, 178 insertions(+) create mode 100644 arch/x86/cpu/ivybridge/microcode_intel.c create mode 100644 arch/x86/include/asm/arch-ivybridge/microcode.h
diff --git a/arch/x86/cpu/ivybridge/Makefile b/arch/x86/cpu/ivybridge/Makefile index ce16697..a3ea566 100644 --- a/arch/x86/cpu/ivybridge/Makefile +++ b/arch/x86/cpu/ivybridge/Makefile @@ -7,4 +7,5 @@ obj-y += car.o obj-y += cpu.o obj-y += lpc.o +obj-y += microcode_intel.o obj-y += sdram.o diff --git a/arch/x86/cpu/ivybridge/cpu.c b/arch/x86/cpu/ivybridge/cpu.c index e73ccb7..bd2660f 100644 --- a/arch/x86/cpu/ivybridge/cpu.c +++ b/arch/x86/cpu/ivybridge/cpu.c @@ -19,6 +19,7 @@ #include <asm/post.h> #include <asm/processor.h> #include <asm/arch/model_206ax.h> +#include <asm/arch/microcode.h> #include <asm/arch/pch.h>
DECLARE_GLOBAL_DATA_PTR; @@ -198,6 +199,10 @@ int print_cpuinfo(void) if (ret) return ret;
ret = microcode_update_intel();if (ret && ret != -ENOENT && ret != -EEXIST)return ret;/* Print processor name */ name = cpu_get_name(processor_name); printf("CPU: %s\n", name);diff --git a/arch/x86/cpu/ivybridge/microcode_intel.c b/arch/x86/cpu/ivybridge/microcode_intel.c new file mode 100644 index 0000000..fbb55f2 --- /dev/null +++ b/arch/x86/cpu/ivybridge/microcode_intel.c @@ -0,0 +1,150 @@ +/*
- Copyright (c) 2014 Google, Inc
- Copyright (C) 2000 Ronald G. Minnich
- Microcode update for Intel PIII and later CPUs
This comment suggests that the code is generic for all Intel CPUs, so should we move this code to arch/x86/lib?
[snip]
Regards, Bin