diff options
author | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2023-10-17 11:27:18 +0200 |
---|---|---|
committer | Bjorn Andersson <andersson@kernel.org> | 2023-10-22 09:14:54 -0700 |
commit | bdac188ec3c71800dd8419620224ee74ef37732a (patch) | |
tree | 5f5dd1dff02769f00d9b182a7dd0badf6d66b40e | |
parent | ba21d6367cc2cca8f25fff3bc94b1b8df55fc261 (diff) | |
download | lwn-bdac188ec3c71800dd8419620224ee74ef37732a.tar.gz lwn-bdac188ec3c71800dd8419620224ee74ef37732a.zip |
firmware: qcom: move Qualcomm code into its own directory
We're getting more and more qcom specific .c files in drivers/firmware/
and about to get even more. Create a separate directory for Qualcomm
firmware drivers and move existing sources in there.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Acked-by: Elliot Berman <quic_eberman@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com>
Tested-by: Andrew Halaney <ahalaney@redhat.com> # sc8280xp-lenovo-thinkpad-x13s
Link: https://lore.kernel.org/r/20231017092732.19983-2-brgl@bgdev.pl
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
-rw-r--r-- | MAINTAINERS | 4 | ||||
-rw-r--r-- | drivers/firmware/Kconfig | 48 | ||||
-rw-r--r-- | drivers/firmware/Makefile | 5 | ||||
-rw-r--r-- | drivers/firmware/qcom/Kconfig | 56 | ||||
-rw-r--r-- | drivers/firmware/qcom/Makefile | 9 | ||||
-rw-r--r-- | drivers/firmware/qcom/qcom_qseecom.c (renamed from drivers/firmware/qcom_qseecom.c) | 0 | ||||
-rw-r--r-- | drivers/firmware/qcom/qcom_qseecom_uefisecapp.c (renamed from drivers/firmware/qcom_qseecom_uefisecapp.c) | 0 | ||||
-rw-r--r-- | drivers/firmware/qcom/qcom_scm-legacy.c (renamed from drivers/firmware/qcom_scm-legacy.c) | 0 | ||||
-rw-r--r-- | drivers/firmware/qcom/qcom_scm-smc.c (renamed from drivers/firmware/qcom_scm-smc.c) | 0 | ||||
-rw-r--r-- | drivers/firmware/qcom/qcom_scm.c (renamed from drivers/firmware/qcom_scm.c) | 0 | ||||
-rw-r--r-- | drivers/firmware/qcom/qcom_scm.h (renamed from drivers/firmware/qcom_scm.h) | 0 |
11 files changed, 69 insertions, 53 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 01dde0acebd3..2e28b5efc7fa 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -17804,13 +17804,13 @@ QUALCOMM QSEECOM DRIVER M: Maximilian Luz <luzmaximilian@gmail.com> L: linux-arm-msm@vger.kernel.org S: Maintained -F: drivers/firmware/qcom_qseecom.c +F: drivers/firmware/qcom/qcom_qseecom.c QUALCOMM QSEECOM UEFISECAPP DRIVER M: Maximilian Luz <luzmaximilian@gmail.com> L: linux-arm-msm@vger.kernel.org S: Maintained -F: drivers/firmware/qcom_qseecom_uefisecapp.c +F: drivers/firmware/qcom/qcom_qseecom_uefisecapp.c QUALCOMM RMNET DRIVER M: Subash Abhinov Kasiviswanathan <quic_subashab@quicinc.com> diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig index 8c608be30060..46949e9b748a 100644 --- a/drivers/firmware/Kconfig +++ b/drivers/firmware/Kconfig @@ -212,53 +212,6 @@ config MTK_ADSP_IPC ADSP exists on some mtk processors. Client might use shared memory to exchange information with ADSP. -config QCOM_SCM - tristate - -config QCOM_SCM_DOWNLOAD_MODE_DEFAULT - bool "Qualcomm download mode enabled by default" - depends on QCOM_SCM - help - A device with "download mode" enabled will upon an unexpected - warm-restart enter a special debug mode that allows the user to - "download" memory content over USB for offline postmortem analysis. - The feature can be enabled/disabled on the kernel command line. - - Say Y here to enable "download mode" by default. - -config QCOM_QSEECOM - bool "Qualcomm QSEECOM interface driver" - depends on QCOM_SCM=y - select AUXILIARY_BUS - help - Various Qualcomm SoCs have a Secure Execution Environment (SEE) running - in the Trust Zone. This module provides an interface to that via the - QSEECOM mechanism, using SCM calls. - - The QSEECOM interface allows, among other things, access to applications - running in the SEE. An example of such an application is 'uefisecapp', - which is required to access UEFI variables on certain systems. If - selected, the interface will also attempt to detect and register client - devices for supported applications. - - Select Y here to enable the QSEECOM interface driver. - -config QCOM_QSEECOM_UEFISECAPP - bool "Qualcomm SEE UEFI Secure App client driver" - depends on QCOM_QSEECOM - depends on EFI - help - Various Qualcomm SoCs do not allow direct access to EFI variables. - Instead, these need to be accessed via the UEFI Secure Application - (uefisecapp), residing in the Secure Execution Environment (SEE). - - This module provides a client driver for uefisecapp, installing efivar - operations to allow the kernel accessing EFI variables, and via that also - provide user-space with access to EFI variables via efivarfs. - - Select Y here to provide access to EFI variables on the aforementioned - platforms. - config SYSFB bool select BOOT_VESA_SUPPORT @@ -344,6 +297,7 @@ source "drivers/firmware/efi/Kconfig" source "drivers/firmware/imx/Kconfig" source "drivers/firmware/meson/Kconfig" source "drivers/firmware/psci/Kconfig" +source "drivers/firmware/qcom/Kconfig" source "drivers/firmware/smccc/Kconfig" source "drivers/firmware/tegra/Kconfig" source "drivers/firmware/xilinx/Kconfig" diff --git a/drivers/firmware/Makefile b/drivers/firmware/Makefile index d41b094a5e58..ec454e952168 100644 --- a/drivers/firmware/Makefile +++ b/drivers/firmware/Makefile @@ -18,10 +18,6 @@ obj-$(CONFIG_FIRMWARE_MEMMAP) += memmap.o obj-$(CONFIG_MTK_ADSP_IPC) += mtk-adsp-ipc.o obj-$(CONFIG_RASPBERRYPI_FIRMWARE) += raspberrypi.o obj-$(CONFIG_FW_CFG_SYSFS) += qemu_fw_cfg.o -obj-$(CONFIG_QCOM_SCM) += qcom-scm.o -qcom-scm-objs += qcom_scm.o qcom_scm-smc.o qcom_scm-legacy.o -obj-$(CONFIG_QCOM_QSEECOM) += qcom_qseecom.o -obj-$(CONFIG_QCOM_QSEECOM_UEFISECAPP) += qcom_qseecom_uefisecapp.o obj-$(CONFIG_SYSFB) += sysfb.o obj-$(CONFIG_SYSFB_SIMPLEFB) += sysfb_simplefb.o obj-$(CONFIG_TI_SCI_PROTOCOL) += ti_sci.o @@ -37,6 +33,7 @@ obj-$(CONFIG_GOOGLE_FIRMWARE) += google/ obj-y += efi/ obj-y += imx/ obj-y += psci/ +obj-y += qcom/ obj-y += smccc/ obj-y += tegra/ obj-y += xilinx/ diff --git a/drivers/firmware/qcom/Kconfig b/drivers/firmware/qcom/Kconfig new file mode 100644 index 000000000000..3f05d9854ddf --- /dev/null +++ b/drivers/firmware/qcom/Kconfig @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# For a description of the syntax of this configuration file, +# see Documentation/kbuild/kconfig-language.rst. +# + +menu "Qualcomm firmware drivers" + +config QCOM_SCM + tristate + +config QCOM_SCM_DOWNLOAD_MODE_DEFAULT + bool "Qualcomm download mode enabled by default" + depends on QCOM_SCM + help + A device with "download mode" enabled will upon an unexpected + warm-restart enter a special debug mode that allows the user to + "download" memory content over USB for offline postmortem analysis. + The feature can be enabled/disabled on the kernel command line. + + Say Y here to enable "download mode" by default. + +config QCOM_QSEECOM + bool "Qualcomm QSEECOM interface driver" + depends on QCOM_SCM=y + select AUXILIARY_BUS + help + Various Qualcomm SoCs have a Secure Execution Environment (SEE) running + in the Trust Zone. This module provides an interface to that via the + QSEECOM mechanism, using SCM calls. + + The QSEECOM interface allows, among other things, access to applications + running in the SEE. An example of such an application is 'uefisecapp', + which is required to access UEFI variables on certain systems. If + selected, the interface will also attempt to detect and register client + devices for supported applications. + + Select Y here to enable the QSEECOM interface driver. + +config QCOM_QSEECOM_UEFISECAPP + bool "Qualcomm SEE UEFI Secure App client driver" + depends on QCOM_QSEECOM + depends on EFI + help + Various Qualcomm SoCs do not allow direct access to EFI variables. + Instead, these need to be accessed via the UEFI Secure Application + (uefisecapp), residing in the Secure Execution Environment (SEE). + + This module provides a client driver for uefisecapp, installing efivar + operations to allow the kernel accessing EFI variables, and via that also + provide user-space with access to EFI variables via efivarfs. + + Select Y here to provide access to EFI variables on the aforementioned + platforms. + +endmenu diff --git a/drivers/firmware/qcom/Makefile b/drivers/firmware/qcom/Makefile new file mode 100644 index 000000000000..c9f12ee8224a --- /dev/null +++ b/drivers/firmware/qcom/Makefile @@ -0,0 +1,9 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Makefile for the linux kernel. +# + +obj-$(CONFIG_QCOM_SCM) += qcom-scm.o +qcom-scm-objs += qcom_scm.o qcom_scm-smc.o qcom_scm-legacy.o +obj-$(CONFIG_QCOM_QSEECOM) += qcom_qseecom.o +obj-$(CONFIG_QCOM_QSEECOM_UEFISECAPP) += qcom_qseecom_uefisecapp.o diff --git a/drivers/firmware/qcom_qseecom.c b/drivers/firmware/qcom/qcom_qseecom.c index 731e6d5719f9..731e6d5719f9 100644 --- a/drivers/firmware/qcom_qseecom.c +++ b/drivers/firmware/qcom/qcom_qseecom.c diff --git a/drivers/firmware/qcom_qseecom_uefisecapp.c b/drivers/firmware/qcom/qcom_qseecom_uefisecapp.c index a33acdaf7b78..a33acdaf7b78 100644 --- a/drivers/firmware/qcom_qseecom_uefisecapp.c +++ b/drivers/firmware/qcom/qcom_qseecom_uefisecapp.c diff --git a/drivers/firmware/qcom_scm-legacy.c b/drivers/firmware/qcom/qcom_scm-legacy.c index 029e6d117cb8..029e6d117cb8 100644 --- a/drivers/firmware/qcom_scm-legacy.c +++ b/drivers/firmware/qcom/qcom_scm-legacy.c diff --git a/drivers/firmware/qcom_scm-smc.c b/drivers/firmware/qcom/qcom_scm-smc.c index 16cf88acfa8e..16cf88acfa8e 100644 --- a/drivers/firmware/qcom_scm-smc.c +++ b/drivers/firmware/qcom/qcom_scm-smc.c diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c index 520de9b5633a..520de9b5633a 100644 --- a/drivers/firmware/qcom_scm.c +++ b/drivers/firmware/qcom/qcom_scm.c diff --git a/drivers/firmware/qcom_scm.h b/drivers/firmware/qcom/qcom_scm.h index 7b68fa820495..7b68fa820495 100644 --- a/drivers/firmware/qcom_scm.h +++ b/drivers/firmware/qcom/qcom_scm.h |