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82b0961821e45768a91139b8ec5d7784586aa7f9
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3 Commits

Author SHA1 Message Date
Ben Zong-You Xie
82b0961821 lib: utils/cache: add Andes last level cache controller 
Introduce a FDT-based driver for the Andes Last Level Cache (LLC)
controller to support cache maintenance operations.

Signed-off-by: Ben Zong-You Xie <ben717@andestech.com>
Link: https://lore.kernel.org/r/20251229071914.1451587-5-ben717@andestech.com
Signed-off-by: Anup Patel <anup@brainfault.org>
 2026-02-11 12:13:01 +05:30
Ben Zong-You Xie
85bff9cc16 platform: generic/andes: add CSR save and restore functions for AE350 platform 
Implement a save and restore mechanism for Andes-specific CSRs to support
hardware power-saving modes, such as CPU hotplug or suspend to RAM.

Signed-off-by: Ben Zong-You Xie <ben717@andestech.com>
Signed-off-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Link: https://lore.kernel.org/r/20251229071914.1451587-3-ben717@andestech.com
Signed-off-by: Anup Patel <anup@brainfault.org>
 2026-02-11 12:04:01 +05:30
Ben Zong-You Xie
9ffacc8ae1 lib: utils/hsm: factor out ATCSMU code into an HSM driver 
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 <ben717@andestech.com>
Signed-off-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Link: https://lore.kernel.org/r/20251229071914.1451587-2-ben717@andestech.com
Signed-off-by: Anup Patel <anup@brainfault.org>
 2026-02-11 12:03:50 +05:30