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2025-02-13lib: utils: Add MPXY RPMI mailbox driver for System MSI service groupAnup Patel1-0/+1
The supervisor software can directly receive most of the system MSIs except P2A doorbell and MSIs preferred to be handled in M-mode. Add MPXY RPMI mailbox client driver for the System MSI service group. Signed-off-by: Anup Patel <apatel@ventanamicro.com>
2025-02-13lib: utils: Split the FDT MPXY RPMI mailbox client into two partsAnup Patel1-0/+1
Instead of having one common FDT MPXY RPMI mailbox client drivers for various RPMI service groups, split this driver into two parts: 1) Common MPXY RPMI mailbox client library 2) MPXY driver for RPMI clock service group The above split enables having a separate MPXY driver for each RPMI clock service group and #1 (above) will allow code sharing between various MPXY RPMI drivers. Signed-off-by: Anup Patel <apatel@ventanamicro.com>
2024-12-06lib: utils/mpxy: Add RPMI client driver for MPXYRahul Pathak1-0/+1
Add a generic RPMI mailbox client driver which provides a MPXY channel. Initially, this driver only supports RPMI clock service group but can be extended to support multiple RPMI service groups. Signed-off-by: Rahul Pathak <rpathak@ventanamicro.com> Co-developed-by: Anup Patel <apatel@ventanamicro.com> Signed-off-by: Anup Patel <apatel@ventanamicro.com>
2024-12-06lib: utils: Add simple FDT based MPXY driver frameworkAnup Patel1-0/+1
The generic platform can have multiple MPXY drivers so add a simple FDT based MPXY driver framework. Signed-off-by: Anup Patel <apatel@ventanamicro.com>
2024-12-06lib: utils/cppc: Add RPMI CPPC driverSubrahmanya Lingappa1-0/+1
Add RPMI based driver for CPPC register read, write and probe. Signed-off-by: Subrahmanya Lingappa <slingappa@ventanamicro.com> Co-developed-by: Rahul Pathak <rpathak@ventanamicro.com> Signed-off-by: Rahul Pathak <rpathak@ventanamicro.com> Co-developed-by: Sunil V L <sunilvl@ventanamicro.com> Signed-off-by: Sunil V L <sunilvl@ventanamicro.com> Signed-off-by: Anup Patel <apatel@ventanamicro.com>
2024-12-06lib: utils: Add simple FDT based CPPC driver frameworkAnup Patel1-0/+1
The generic platform can have multiple CPPC drivers so add a simple FDT based CPPC driver framework. Signed-off-by: Anup Patel <apatel@ventanamicro.com>
2024-12-06lib: utils/hsm: Add RPMI HSM driverSubrahmanya Lingappa1-0/+1
The RPMI HSM service group provides set of routine to query and control power states of a Hart. Add RPMI based Hart State Management (HSM) driver. Signed-off-by: Subrahmanya Lingappa <slingappa@ventanamicro.com> Signed-off-by: Anup Patel <apatel@ventanamicro.com>
2024-12-06lib: utils: Add simple FDT based HSM driver frameworkAnup Patel1-0/+1
The generic platform can have multiple HSM drivers so add a simple FDT based HSM driver framework. Signed-off-by: Anup Patel <apatel@ventanamicro.com>
2024-12-06lib: utils/suspend: Add RPMI system suspend driverSubrahmanya Lingappa1-0/+1
Add RPMI based system suspend driver. To test this, execute the follwoing in Linux: $ echo mem > /sys/power/state To wake up, execute the following command on qemu monitor terminal: (qemu) system_wakeup Signed-off-by: Subrahmanya Lingappa <slingappa@ventanamicro.com> Signed-off-by: Anup Patel <apatel@ventanamicro.com>
2024-12-06lib: utils: Add simple FDT based system suspend driver frameworkAnup Patel1-0/+1
The generic platform can have multiple system suspend drivers so add a simple FDT based system suspend driver framework. Signed-off-by: Anup Patel <apatel@ventanamicro.com>
2024-12-06lib/utils: reset: Add RPMI System Reset driverRahul Pathak1-0/+1
Add RPMI based driver for system reset and enable it in the generic platform defconfig Signed-off-by: Rahul Pathak <rpathak@ventanamicro.com> Signed-off-by: Anup Patel <apatel@ventanamicro.com>
2024-12-06lib/utils: Add RPMI messaging protocol and shared memory transport supportRahul Pathak1-0/+3
The RISC-V Platform Management Interface (RPMI) defines a messaging protocol and shared memory based transport for bi-directional communication with an on-chip or external microcontroller. To support RPMI in OpenSBI, add: 1) The RPMI messaging protocol defines and helper macros 2) A FDT mailbox driver for the RPMI shared memory transport Signed-off-by: Rahul Pathak <rpathak@ventanamicro.com> Co-developed-by: Subrahmanya Lingappa <slingappa@ventanamicro.com> Signed-off-by: Subrahmanya Lingappa <slingappa@ventanamicro.com> Co-developed-by: Anup Patel <apatel@ventanamicro.com> Signed-off-by: Anup Patel <apatel@ventanamicro.com>
2024-05-15utils/reset: Add SG2042 hwmon MCU support.Inochi Amaoto1-0/+1
SG2042 uses an onboard MCU to provide reset function. Add reset driver to support this onboard MCU. Signed-off-by: Inochi Amaoto <inochiama@outlook.com> Reviewed-by: Anup Patel <anup@brainfault.org>
2023-11-16platform: generic: Add Sophgo sg2042 platform supportInochi Amaoto1-0/+1
Add Sophgo sg2042 soc support Signed-off-by: Inochi Amaoto <inochiama@outlook.com> Reviewed-by: Guo Ren <guoren@kernel.org> Reviewed-by: Anup Patel <anup@brainfault.org>
2023-11-16utils/reset: Remove fdt_reset_theadGuo Ren1-1/+0
In the past, we used fdt_reset_thead to help customers with prototype verification. However, with the emergence of the Big-little SoC system, it can no longer meet the demand. Therefore, we use zero_stage_boot instead of fdt_reset_thead. It cleans up the opensbi code and ends the disputation of reset_sample's dts. This patch removes the fdt_reset_thead component and updates the related doc. Signed-off-by: Guo Ren <guoren@linux.alibaba.com> Signed-off-by: Guo Ren <guoren@kernel.org> Reviewed-by: Anup Patel <anup@brainfault.org>
2023-10-04platform: generic: thead: fix stale TLB entries for th1520/sg2042Inochi Amaoto1-0/+1
The TLB entries remain functional all the time once added in T-HEAD th1520 and Sophgo sg2042 (even if the MMU is then disabled afterwards). If there are some stale TLB entries that contains the address of SBI, it will cause unexpected memory access and issue a illegal instruction error. To avoid this, a TLB flush is needed to drop these TLB entries before any memory access in the trap handler. To handle this workaroud, add a custom trap handler with executing TLB flush first in the T-HEAD platform to fix affected socs. Signed-off-by: Inochi Amaoto <inochiama@outlook.com> Reviewed-by: Anup Patel <anup@brainfault.org>
2023-07-31lib: utils/reset: Remove SiFive Test reset driverAnup Patel1-1/+0
The functionality of SiFive Test reset driver is easily available through Syscon reset driver so let us remove the SiFive Test driver. Signed-off-by: Anup Patel <apatel@ventanamicro.com>
2023-07-31lib: utils/reset: Add syscon based reboot and poweroffAnup Patel1-0/+1
Let us have common FDT based reset driver for syscon reboot and poweroff. The device tree bindings for syscon reboot and poweroff are already available in the Linux kernel sources. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Xiang W <wxjstz@126.com>
2023-07-31lib: utils/regmap: Add simple FDT based syscon regmap driverAnup Patel1-0/+1
Let us add a simple FDT based system regmap driver which follows the device tree bindings already defined in the Linux kernel. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Xiang W <wxjstz@126.com>
2023-07-31lib: utils/regmap: Add simple FDT based regmap frameworkAnup Patel1-1/+1
We add a simple FDT based regmap framework which is built on top of generic regmap library. The phandle of FDT regmap DT node is treated as unique regmap ID. The FDT based regmap drivers will be probed on-demand from fdt_regmap_get_by_phandle() and fdt_regmap_get() called by the regmap client drivers. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Xiang W <wxjstz@126.com>
2023-07-31lib: utils/regmap: Add generic regmap access libraryAnup Patel1-1/+2
We add generic regmap access library which is independent of hardware description format (FDT or ACPI). The OpenSBI platform support or regmap drivers can register regmap instances which can be discovered by different regmap clients based on the unique ID of regmap instances. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Xiang W <wxjstz@126.com>
2023-07-07gpio/desginware: add Synopsys DesignWare APB GPIO supportBen Dooks1-0/+1
Add a driver for the Synopsys DesignWare APB GPIO IP block found in many SoCs. Signed-off-by: Ben Dooks <ben.dooks@sifive.com> Reviewed-by: Anup Patel <anup@brainfault.org>
2023-03-09platform: starfive: add PMIC power ops in JH7110 visionfive2 boardMinda Chen1-0/+1
add reboot and poweroff support. The whole reboot and shutdown pm op includes shutdown jh7110 pmu device power domain and access on board pmic register through I2C. Signed-off-by: Minda Chen <minda.chen@starfivetech.com> Reviewed-by: Anup Patel <anup@brainfault.org>
2023-03-01gpio/starfive: add gpio driver and support gpio resetminda.chen1-0/+1
Add gpio driver and gpio reset function in Starfive JH7110 SOC platform. Signed-off-by: minda.chen <minda.chen@starfivetech.com> Reviewed-by: Anup Patel <anup@brainfault.org>
2023-01-07generic/starfive: Add Starfive JH7110 platform implementationWei Liang Lim1-0/+1
Add Starfive JH7110 platform implementation Signed-off-by: Wei Liang Lim <weiliang.lim@starfivetech.com> Reviewed-by: Chee Hong Ang <cheehong.ang@starfivetech.com> Reviewed-by: Jun Liang Tan <junliang.tan@starfivetech.com> Reviewed-by: Anup Patel <anup@brainfault.org>
2022-12-12platform: generic: Add Renesas RZ/Five initial supportLad Prabhakar1-0/+2
This commit provides basic support for the Renesas RZ/Five (R9A07G043F) SoC. The RZ/Five microprocessor includes a single RISC-V CPU Core (Andes AX45MP) 1.0 GHz, 16-bit DDR3L/DDR4 interface. Supported interfaces include: - Gigabit Ethernet 2ch - CAN interface (CAN-FD) 2ch - USB 2.0 interface 2ch - SD interface 2ch - AD converter 2ch Useful links: ------------- Links: https://www.renesas.com/us/en/products/microcontrollers-microprocessors/rz-mpus/rzfive-risc-v-general-purpose-microprocessors-risc-v-cpu-core-andes-ax45mp-single-10-ghz-2ch-gigabit-ethernet Links: http://www.andestech.com/en/products-solutions/andescore-processors/riscv-ax45mp/ Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Anup Patel <anup@brainfault.org>
2022-12-05platform: generic/andes: Enable generic platform support for AE350Yu Chien Peter Lin1-0/+4
We move andes directory to platform/generic as the necessary fdt drivers are available, the users can enable the console, timer, ipi, irqchip and reset devices by adding device tree nodes stated in the docs/platform/andes-ae350.md. Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com> Reviewed-by: Bin Meng <bmeng@tinylab.org> Reviewed-by: Anup Patel <anup@brainfault.org>
2022-09-13lib: utils/serial: add semihosting supportKautuk Consul1-0/+1
We add RISC-V semihosting based serial console for JTAG based early debugging. The RISC-V semihosting specification is available at: https://github.com/riscv/riscv-semihosting-spec/blob/main/riscv-semihosting-spec.adoc Signed-off-by: Anup Patel <apatel@ventanamicro.com> Signed-off-by: Kautuk Consul <kconsul@ventanamicro.com> Reviewed-by: Anup Patel <anup@brainfault.org>
2022-08-23lib: utils: serial: Add Cadence UART driverJun Liang Tan1-0/+1
Add Cadence UART driver Signed-off-by: Jun Liang Tan <junliang.tan@linux.starfivetech.com> Signed-off-by: Wei Liang Lim <weiliang.lim@linux.starfivetech.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Reviewed-by: Anup Patel <anup@brainfault.org>
2022-08-08platform: generic: Use kconfig for enabling/disabling overridesAnup Patel1-0/+3
We update generic platform to use kconfig for enabling/disabling platform overrides. We also enable all platform overrides in generic platform defconfig. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Tested-by: Andrew Jones <ajones@ventanamicro.com> Acked-by: Atish Patra <atishp@rivosinc.com> Tested-by: Atish Patra <atishp@rivosinc.com>
2022-08-08lib: utils/gpio: Use kconfig for enabling/disabling driversAnup Patel1-0/+2
We update gpio drivers makefile to use kconfig for enabling/disabling drivers. To avoid compile errors, we also enable appropriate gpio drivers for each platform. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Tested-by: Andrew Jones <ajones@ventanamicro.com> Acked-by: Atish Patra <atishp@rivosinc.com> Tested-by: Atish Patra <atishp@rivosinc.com>
2022-08-08lib: utils/i2c: Use kconfig for enabling/disabling driversAnup Patel1-0/+2
We update i2c drivers makefile to use kconfig for enabling/disabling drivers. To avoid compile errors, we also enable appropriate i2c drivers for each platform. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Tested-by: Andrew Jones <ajones@ventanamicro.com> Acked-by: Atish Patra <atishp@rivosinc.com> Tested-by: Atish Patra <atishp@rivosinc.com>
2022-08-08lib: utils/irqchip: Use kconfig for enabling/disabling driversAnup Patel1-0/+4
We update irqchip drivers makefile to use kconfig for enabling/disabling drivers. To avoid compile errors, we also enable appropriate irqchip drivers for each platform. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Tested-by: Andrew Jones <ajones@ventanamicro.com> Acked-by: Atish Patra <atishp@rivosinc.com> Tested-by: Atish Patra <atishp@rivosinc.com>
2022-08-08lib: utils/ipi: Use kconfig for enabling/disabling driversAnup Patel1-0/+2
We update ipi drivers makefile to use kconfig for enabling/disabling drivers. To avoid compile errors, we also enable appropriate ipi drivers for each platform. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Tested-by: Andrew Jones <ajones@ventanamicro.com> Acked-by: Atish Patra <atishp@rivosinc.com> Tested-by: Atish Patra <atishp@rivosinc.com>
2022-08-08lib: utils/timer: Use kconfig for enabling/disabling driversAnup Patel1-0/+2
We update timer drivers makefile to use kconfig for enabling/disabling drivers. To avoid compile errors, we also enable appropriate timer drivers for each platform. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Tested-by: Andrew Jones <ajones@ventanamicro.com> Acked-by: Atish Patra <atishp@rivosinc.com> Tested-by: Atish Patra <atishp@rivosinc.com>
2022-08-08lib: utils/reset: Use kconfig for enabling/disabling driversAnup Patel1-0/+6
We update reset drivers makefile to use kconfig for enabling/disabling drivers. To avoid compile errors, we also enable appropriate reset drivers for each platform. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Tested-by: Andrew Jones <ajones@ventanamicro.com> Acked-by: Atish Patra <atishp@rivosinc.com> Tested-by: Atish Patra <atishp@rivosinc.com>
2022-08-08lib: utils/serial: Use kconfig for enabling/disabling driversAnup Patel1-0/+8
We update serial drivers makefile to use kconfig for enabling/disabling drivers. To avoid compile errors, we also enable appropriate serial drivers for each platform. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Tested-by: Andrew Jones <ajones@ventanamicro.com> Acked-by: Atish Patra <atishp@rivosinc.com> Tested-by: Atish Patra <atishp@rivosinc.com>
2022-08-08Makefile: Add initial kconfig support for each platformAnup Patel1-0/+0
We extend the top-level makefile to allow kconfig based configuration for each platform where each platform has it's own set of configs with "defconfig" being the default config. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Tested-by: Andrew Jones <ajones@ventanamicro.com> Acked-by: Atish Patra <atishp@rivosinc.com> Tested-by: Atish Patra <atishp@rivosinc.com>
generated by cgit v1.2.3 (git 2.39.0) at 2026-09-08 21:23:50 +0300