commit | 6ac5dc2ca6a6b09d1b0156c2db6aa1385ccaf13e | [log] [tgz] |
---|---|---|
author | Subrata Banik <subratabanik@google.com> | Mon Jan 17 21:06:48 2022 +0000 |
committer | Subrata Banik <subratabanik@google.com> | Wed Jan 19 09:57:13 2022 +0000 |
tree | 446de5779dd7957fc6c642769858f6c4aad9b1a8 | |
parent | a727d54536163579bb848d723143fccdc6b723ba [diff] |
soc/intel/alderlake: Rework the GPIO PAD Pin numbers This patch creates a `relative increment by 1` macro to let SoC gpio pad configuration to be more flexible while adding support for newer PCH SoC. With this changes adding GPIO controller support for PCH-N would become really simple without too much of code duplication. For example: ADL-N has added `GPP_I` pins into community 1 hence, the additional code for `PCH-N` whould appear incremetal to ADL-P. > #define GPP_B 0x0 > #define GPP_T INC(GPP_B) > #define GPP_A INC(GPP_T) > #define GPP_R INC(GPP_A) > #define GPD INC(GPP_R) > #define GPP_S INC(GPD) > if CONFIG(SOC_INTEL_ALDERLAKE_PCH_N) > #define GPP_I INC(GPP_S) > #define GPP_H INC(GPP_I) > #else > #define GPP_H INC(GPP_S) > #endif > #define GPP_D INC(GPP_H) Signed-off-by: Subrata Banik <subratabanik@google.com> Change-Id: Ie3b2183381b877da0a6e5a27f5176f0e21e0c9fd Reviewed-on: https://review.coreboot.org/c/coreboot/+/61165 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Kangheui Won <khwon@chromium.org> Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com> Reviewed-by: Rizwan Qureshi <rizwan.qureshi@intel.com>
coreboot is a Free Software project aimed at replacing the proprietary BIOS (firmware) found in most computers. coreboot performs a little bit of hardware initialization and then executes additional boot logic, called a payload.
With the separation of hardware initialization and later boot logic, coreboot can scale from specialized applications that run directly firmware, run operating systems in flash, load custom bootloaders, or implement firmware standards, like PC BIOS services or UEFI. This allows for systems to only include the features necessary in the target application, reducing the amount of code and flash space required.
coreboot was formerly known as LinuxBIOS.
After the basic initialization of the hardware has been performed, any desired "payload" can be started by coreboot.
See https://www.coreboot.org/Payloads for a list of supported payloads.
coreboot supports a wide range of chipsets, devices, and mainboards.
For details please consult:
ANY_TOOLCHAIN
Kconfig option if you're feeling lucky (no support in this case).Optional:
make menuconfig
and make nconfig
)Please consult https://www.coreboot.org/Build_HOWTO for details.
If you want to test coreboot without any risks before you really decide to use it on your hardware, you can use the QEMU system emulator to run coreboot virtually in QEMU.
Please see https://www.coreboot.org/QEMU for details.
Further details on the project, a FAQ, many HOWTOs, news, development guidelines and more can be found on the coreboot website:
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coreboot is licensed under the terms of the GNU General Public License (GPL). Some files are licensed under the "GPL (version 2, or any later version)", and some files are licensed under the "GPL, version 2". For some parts, which were derived from other projects, other (GPL-compatible) licenses may apply. Please check the individual source files for details.
This makes the resulting coreboot images licensed under the GPL, version 2.