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lib: utils/cache: Add SiFive PL2 controller

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SiFive Private L2(PL2) cache is a private cache owned by each hart. Add
this driver to support private cache flush operations via the MMIO
registers.

Co-developed-by: Eric Lin <eric.lin@sifive.com>
Signed-off-by: Eric Lin <eric.lin@sifive.com>
Co-developed-by: Zong Li <zong.li@sifive.com>
Signed-off-by: Zong Li <zong.li@sifive.com>
Co-developed-by: Vincent Chen <vincent.chen@sifive.com>
Signed-off-by: Vincent Chen <vincent.chen@sifive.com>
Co-developed-by: Samuel Holland <samuel.holland@sifive.com>
Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Signed-off-by: Nick Hu <nick.hu@sifive.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20251114-sifive-cache-drivers-v1-2-8423a721924c@sifive.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Nick Hu
2025-11-14 11:22:46 +08:00
committed by Anup Patel
parent 35aece218a
commit ec51e91eaa
4 changed files with 147 additions and 0 deletions
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3
lib/utils/cache/objects.mk vendored
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@@ -11,4 +11,7 @@ libsbiutils-objs-$(CONFIG_FDT_CACHE) += cache/fdt_cmo_helper.o
carray-fdt_cache_drivers-$(CONFIG_FDT_CACHE_SIFIVE_CCACHE) += fdt_sifive_ccache
libsbiutils-objs-$(CONFIG_FDT_CACHE_SIFIVE_CCACHE) += cache/fdt_sifive_ccache.o
carray-fdt_cache_drivers-$(CONFIG_FDT_CACHE_SIFIVE_PL2) += fdt_sifive_pl2
libsbiutils-objs-$(CONFIG_FDT_CACHE_SIFIVE_PL2) += cache/fdt_sifive_pl2.o
libsbiutils-objs-$(CONFIG_CACHE) += cache/cache.o