On Tue, Jan 19, 2016 at 11:24 AM, Bin Meng bmeng.cn@gmail.com wrote:
Hi Simon,
On Tue, Jan 19, 2016 at 11:19 AM, Simon Glass sjg@chromium.org wrote:
A Platform Controller Hub is an Intel concept - it is like the peripherals on an SoC and is often in a separate chip from the CPU. The chip is typically found on the first PCI bus and integrates multiple devices.
We have a very simple uclass to support PCHs. Add a few operations, such as setting up the devices on the PCH and finding the SPI controller base address. Also move it into drivers/pch/ since we will be adding a few PCH drivers.
Signed-off-by: Simon Glass sjg@chromium.org Signed-off-by: Bin Meng bmeng.cn@gmail.com
I guess I don't do anything with this patch, but just a :)
Reviewed-by: Bin Meng bmeng.cn@gmail.com
Fixed the tag, and
Changes in v5: None Changes in v4:
- Return -ENOSYS if the version is unknown
Changes in v3:
- Add a PCH method to enable/disable SPI flash protection
- Drop the pch_init() call
Changes in v2:
- Update the commit message and header file comments
- Use an enum for the PCH version
- Replace SBASE with SPI base
- Add a TODO to check if the init() method can be removed later
arch/x86/lib/Makefile | 1 - drivers/Makefile | 1 + drivers/pch/Makefile | 5 ++ {arch/x86/lib => drivers/pch}/pch-uclass.c | 32 +++++++++++++ include/pch.h | 74 ++++++++++++++++++++++++++++++ 5 files changed, 112 insertions(+), 1 deletion(-) create mode 100644 drivers/pch/Makefile rename {arch/x86/lib => drivers/pch}/pch-uclass.c (50%) create mode 100644 include/pch.h
applied to u-boot-x86/master, thanks!