[PATCH 5/7] powerpc: Implement a default flush_dcache_all
Tom Rini
trini at konsulko.com
Wed Jun 19 23:27:57 CEST 2024
Implement a weak default version of flush_dcache_all which is based on
the ARM default, which is to flush the entire range via
flush_dcache_range(...).
Signed-off-by: Tom Rini <trini at konsulko.com>
---
arch/powerpc/lib/cache.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/arch/powerpc/lib/cache.c b/arch/powerpc/lib/cache.c
index e480b2696494..130318d745aa 100644
--- a/arch/powerpc/lib/cache.c
+++ b/arch/powerpc/lib/cache.c
@@ -43,3 +43,12 @@ void flush_cache(ulong start_addr, ulong size)
/* flush prefetch queue */
asm volatile("isync" : : : "memory");
}
+
+/*
+ * Default implementation:
+ * do a range flush for the entire range
+ */
+void flush_dcache_all(void)
+{
+ flush_dcache_range(0, ~0);
+}
--
2.34.1
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