opensbi.git/lib/utils/reset, branch master

lib: utils/reset: Add litex SoC reset driver

2026-06-15T04:40:25Z

Litex SoC controller supports reboot function by toggling the first bit of the ctrl register. Add a reset driver so other software can use it. Signed-off-by: Inochi Amaoto Reviewed-by: Anup Patel Link: https://lore.kernel.org/r/20260529085234.1682842-1-inochiama@gmail.com Signed-off-by: Anup Patel

lib: utils/reset: Remove unused match data

2026-05-22T05:01:41Z

Some drivers inherited FDT match data from the GPIO/syscon reset drivers, but do not use it for anything. Remove it to avoid confusion. Signed-off-by: Samuel Holland Reviewed-by: Anup Patel Link: https://lore.kernel.org/r/20260513224414.1078791-1-samuel.holland@sifive.com Signed-off-by: Anup Patel

lib: utils/reset: add SpacemiT P1 PMIC support

2026-05-11T13:51:31Z

The SpacemiT P1 is a PMIC commonly found with SpacemiT CPU like K1. Add a reset driver for it. Signed-off-by: Aurelien Jarno Tested-by: Anand Moon Link: https://lore.kernel.org/r/20260419150857.2705843-3-aurelien@aurel32.net Signed-off-by: Anup Patel

lib: utils/hsm: factor out ATCSMU code into an HSM driver

2026-02-11T06:33:50Z

Refactor ATCSMU (System Management Unit) support by moving it from a system utility into a dedicated FDT-based HSM driver. Key changes include: - Moving the functions in lib/utils/sys/atcsmu.c into the new HSM driver - Moving hart start and stop operations on AE350 platform into the new HSM driver - Converting the assembly-based functions in sleep.S to C code for the readability - Updating the ATCWDT200 driver Signed-off-by: Ben Zong-You Xie Signed-off-by: Leo Yu-Chi Liang Link: https://lore.kernel.org/r/20251229071914.1451587-2-ben717@andestech.com Signed-off-by: Anup Patel

lib: utils/reset: Hang the hart after RPMI system reset message

2025-09-16T04:23:04Z

RPMI system reset is a posted message which does not wait for acknowledgement after sending the RPMI message to PuC. Call the sbi_hart_hang() to hang the hart after performing the system reset via RPMI message. Fixes: 6a26726e08e4 ("lib/utils: reset: Add RPMI System Reset driver") Reported-by: Anup Patel Signed-off-by: Rahul Pathak Link: https://lore.kernel.org/r/20250903144323.251270-1-rpathak@ventanamicro.com Signed-off-by: Anup Patel

lib: rpmi: Make RPMI drivers as non-experimental

2025-06-24T03:12:27Z

As RPMI v1.0 specification is frozen, disable the experimental tag for such RPMI drivers. Signed-off-by: Rahul Pathak Reviewed-by: Anup Patel Link: https://lore.kernel.org/r/20250618053854.2577299-2-rpathak@ventanamicro.com Signed-off-by: Anup Patel

lib: sbi: Use sbi_hart_count() and sbi_for_each_hartindex()

2025-03-24T12:27:20Z

Simplify the code and improve consistency by using the new macros where possible. sbi_hart_count() obsoletes sbi_scratch_last_hartindex(). Signed-off-by: Samuel Holland Reviewed-by: Anup Patel

lib: utils: Constify FDT driver definitions

2025-02-19T12:17:24Z

The carray referencing these definitions assumes they are const. Fixes: 6a26726e08e4 ("lib/utils: reset: Add RPMI System Reset driver") Fixes: 13f55f33a1d3 ("lib: utils/suspend: Add RPMI system suspend driver") Fixes: 33ee9b8240fe ("lib: utils/hsm: Add RPMI HSM driver") Fixes: 591a98bdd549 ("lib: utils/cppc: Add RPMI CPPC driver") Signed-off-by: Samuel Holland Reviewed-by: Anup Patel

lib: utils: Initialize miscellaneous drivers in one pass

2025-02-12T16:09:25Z

For driver subsystems that are not tightly integrated into the OpenSBI init sequence, it is not important that the drivers are initialized in any particular order. By putting all of these drivers in one array, they can all be initialized with a single pass through the devicetree. This saves about 10 ms of boot time on HiFive Unmatched. Signed-off-by: Samuel Holland Reviewed-by: Anup Patel

lib: utils: Mark RPMI drivers as experimental

2024-12-21T12:52:47Z

These drivers were merged on an experimental basis without the RPMI specification being frozen. As a result, they may not be compatible with the frozen version of the RPMI protocol. Additionally, their devicetree bindings have not been reviewed and are subject to change. Warn the user that these drivers make no compatibility guarantees, and that their behavior and devicetree bindings may change incompatibly in future versions of OpenSBI. Signed-off-by: Samuel Holland Reviewed-by: Anup Patel