| Message ID | 20231009153427.20951-2-brgl@bgdev.pl (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | arm64: qcom: add and enable SHM Bridge support | expand |
On 10/9/23 17:34, Bartosz Golaszewski wrote: > From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> > > 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> > --- > MAINTAINERS | 4 +- > drivers/firmware/Kconfig | 48 +--------------- > drivers/firmware/Makefile | 5 +- > drivers/firmware/qcom/Kconfig | 56 +++++++++++++++++++ > drivers/firmware/qcom/Makefile | 9 +++ > drivers/firmware/{ => qcom}/qcom_qseecom.c | 0 > .../{ => qcom}/qcom_qseecom_uefisecapp.c | 0 > drivers/firmware/{ => qcom}/qcom_scm-legacy.c | 0 > drivers/firmware/{ => qcom}/qcom_scm-smc.c | 0 > drivers/firmware/{ => qcom}/qcom_scm.c | 0 > drivers/firmware/{ => qcom}/qcom_scm.h | 0 > 11 files changed, 69 insertions(+), 53 deletions(-) > create mode 100644 drivers/firmware/qcom/Kconfig > create mode 100644 drivers/firmware/qcom/Makefile > rename drivers/firmware/{ => qcom}/qcom_qseecom.c (100%) > rename drivers/firmware/{ => qcom}/qcom_qseecom_uefisecapp.c (100%) > rename drivers/firmware/{ => qcom}/qcom_scm-legacy.c (100%) > rename drivers/firmware/{ => qcom}/qcom_scm-smc.c (100%) > rename drivers/firmware/{ => qcom}/qcom_scm.c (100%) > rename drivers/firmware/{ => qcom}/qcom_scm.h (100%) > > diff --git a/MAINTAINERS b/MAINTAINERS > index c934244acc31..0d032572cce0 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -17930,13 +17930,13 @@ 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 817e011a8945..74d00b0c83fe 100644 > --- a/drivers/firmware/Kconfig > +++ b/drivers/firmware/Kconfig > @@ -188,53 +188,6 @@ 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 > @@ -320,6 +273,7 @@ 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 cb18fd8882dc..5f9dab82e1a0 100644 > --- a/drivers/firmware/Makefile > +++ b/drivers/firmware/Makefile > @@ -17,10 +17,6 @@ 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 > @@ -36,6 +32,7 @@ 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 > similarity index 100% > rename from drivers/firmware/qcom_qseecom.c > rename to drivers/firmware/qcom/qcom_qseecom.c > diff --git a/drivers/firmware/qcom_qseecom_uefisecapp.c b/drivers/firmware/qcom/qcom_qseecom_uefisecapp.c > similarity index 100% > rename from drivers/firmware/qcom_qseecom_uefisecapp.c > rename to drivers/firmware/qcom/qcom_qseecom_uefisecapp.c > diff --git a/drivers/firmware/qcom_scm-legacy.c b/drivers/firmware/qcom/qcom_scm-legacy.c > similarity index 100% > rename from drivers/firmware/qcom_scm-legacy.c > rename to drivers/firmware/qcom/qcom_scm-legacy.c > diff --git a/drivers/firmware/qcom_scm-smc.c b/drivers/firmware/qcom/qcom_scm-smc.c > similarity index 100% > rename from drivers/firmware/qcom_scm-smc.c > rename to drivers/firmware/qcom/qcom_scm-smc.c > diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c > similarity index 100% > rename from drivers/firmware/qcom_scm.c > rename to drivers/firmware/qcom/qcom_scm.c > diff --git a/drivers/firmware/qcom_scm.h b/drivers/firmware/qcom/qcom_scm.h > similarity index 100% > rename from drivers/firmware/qcom_scm.h > rename to drivers/firmware/qcom/qcom_scm.h
diff --git a/MAINTAINERS b/MAINTAINERS index c934244acc31..0d032572cce0 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -17930,13 +17930,13 @@ 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 817e011a8945..74d00b0c83fe 100644 --- a/drivers/firmware/Kconfig +++ b/drivers/firmware/Kconfig @@ -188,53 +188,6 @@ 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 @@ -320,6 +273,7 @@ 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 cb18fd8882dc..5f9dab82e1a0 100644 --- a/drivers/firmware/Makefile +++ b/drivers/firmware/Makefile @@ -17,10 +17,6 @@ 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 @@ -36,6 +32,7 @@ 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 similarity index 100% rename from drivers/firmware/qcom_qseecom.c rename to drivers/firmware/qcom/qcom_qseecom.c diff --git a/drivers/firmware/qcom_qseecom_uefisecapp.c b/drivers/firmware/qcom/qcom_qseecom_uefisecapp.c similarity index 100% rename from drivers/firmware/qcom_qseecom_uefisecapp.c rename to drivers/firmware/qcom/qcom_qseecom_uefisecapp.c diff --git a/drivers/firmware/qcom_scm-legacy.c b/drivers/firmware/qcom/qcom_scm-legacy.c similarity index 100% rename from drivers/firmware/qcom_scm-legacy.c rename to drivers/firmware/qcom/qcom_scm-legacy.c diff --git a/drivers/firmware/qcom_scm-smc.c b/drivers/firmware/qcom/qcom_scm-smc.c similarity index 100% rename from drivers/firmware/qcom_scm-smc.c rename to drivers/firmware/qcom/qcom_scm-smc.c diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c similarity index 100% rename from drivers/firmware/qcom_scm.c rename to drivers/firmware/qcom/qcom_scm.c diff --git a/drivers/firmware/qcom_scm.h b/drivers/firmware/qcom/qcom_scm.h similarity index 100% rename from drivers/firmware/qcom_scm.h rename to drivers/firmware/qcom/qcom_scm.h