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utils: cache: Add SiFive ccache controller

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SiFive Composable cache is a L3 share cache of the core complex. Add this
driver to support the share cache maintenance operations via the MMIO
registers.

Co-developed-by: Samuel Holland <samuel.holland@sifive.com>
Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Signed-off-by: Vincent Chen <vincent.chen@sifive.com>
Co-developed-by: Nick Hu <nick.hu@sifive.com>
Signed-off-by: Nick Hu <nick.hu@sifive.com>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20251020-cache-upstream-v7-3-69a132447d8a@sifive.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Vincent Chen
2025-10-20 14:34:05 +08:00
committed by Anup Patel
parent d6b684ec86
commit 8ea972838c
4 changed files with 187 additions and 0 deletions
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8
lib/utils/cache/Kconfig vendored
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@@ -8,6 +8,14 @@ config FDT_CACHE
select CACHE
default n
if FDT_CACHE
config FDT_CACHE_SIFIVE_CCACHE
bool "SiFive CCACHE FDT cache driver"
default n
endif
config CACHE
bool "Cache support"
default n