Hi Simon, On Wed, Apr 29, 2015 at 10:25 AM, Simon Glass <s...@chromium.org> wrote: > 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 <s...@chromium.org> > ---
Reviewed-by: Bin Meng <bmeng...@gmail.com> But one comment raised previously not addressed below. > > Changes in v2: > - Change header guard to capital letters > - Change get_info() in function comment to cpu_get_info() > > drivers/Kconfig | 2 ++ > drivers/Makefile | 1 + > drivers/cpu/Kconfig | 8 +++++ > drivers/cpu/Makefile | 7 ++++ > drivers/cpu/cpu-uclass.c | 61 +++++++++++++++++++++++++++++++++++ > include/cpu.h | 84 > ++++++++++++++++++++++++++++++++++++++++++++++++ > include/dm/uclass-id.h | 1 + > 7 files changed, 164 insertions(+) > create mode 100644 drivers/cpu/Kconfig > create mode 100644 drivers/cpu/Makefile > create mode 100644 drivers/cpu/cpu-uclass.c > create mode 100644 include/cpu.h > > diff --git a/drivers/Kconfig b/drivers/Kconfig > index 941aa0c..1f40887 100644 > --- a/drivers/Kconfig > +++ b/drivers/Kconfig > @@ -2,6 +2,8 @@ menu "Device Drivers" > > source "drivers/core/Kconfig" > > +source "drivers/cpu/Kconfig" > + > source "drivers/demo/Kconfig" > > source "drivers/pci/Kconfig" > diff --git a/drivers/Makefile b/drivers/Makefile > index 5ef58c0..405b64b 100644 > --- a/drivers/Makefile > +++ b/drivers/Makefile > @@ -3,6 +3,7 @@ obj-$(CONFIG_DM_DEMO) += demo/ > obj-$(CONFIG_BIOSEMU) += bios_emulator/ > obj-y += block/ > obj-$(CONFIG_BOOTCOUNT_LIMIT) += bootcount/ > +obj-$(CONFIG_CPU) += cpu/ > obj-y += crypto/ > obj-$(CONFIG_FPGA) += fpga/ > obj-y += hwmon/ > diff --git a/drivers/cpu/Kconfig b/drivers/cpu/Kconfig > new file mode 100644 > index 0000000..0d1424d > --- /dev/null > +++ b/drivers/cpu/Kconfig > @@ -0,0 +1,8 @@ > +config CPU Should it be DM_CPU? Like other DM drivers (DM_SERIAL, DM_I2C, etc). > + bool "Enable CPU drivers using Driver Model" > + help > + This allows drivers to be provided for CPUs and their type to be > + specified in the board's device tree. For boards which support > + multiple CPUs, then normally have to be set up in U-Boot so that > + they can work correctly in the OS. This provides a framework for > + finding out information about available CPUs and making changes. [snip] Regards, Bin _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
