From: Tom Rini <trini@konsulko.com>
Date: Wed, 19 Jun 2024 21:27:55 +0000 (-0600)
Subject: sh: Implement a default flush_dcache_all
X-Git-Url: http://git.dujemihanovic.xyz/login.html?a=commitdiff_plain;h=be9f4ff58567420e470f2f0eccda41347747c8f5;p=u-boot.git

sh: Implement a default flush_dcache_all

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(...).

Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Tom Rini <trini@konsulko.com>
---

diff --git a/arch/sh/cpu/sh4/cache.c b/arch/sh/cpu/sh4/cache.c
index 8c1839935c..f0cb39d6a9 100644
--- a/arch/sh/cpu/sh4/cache.c
+++ b/arch/sh/cpu/sh4/cache.c
@@ -65,6 +65,15 @@ void flush_dcache_range(unsigned long start, unsigned long end)
 	}
 }
 
+/*
+ * Default implementation:
+ * do a range flush for the entire range
+ */
+void flush_dcache_all(void)
+{
+	flush_dcache_range(0, ~0);
+}
+
 void invalidate_dcache_range(unsigned long start, unsigned long end)
 {
 	u32 v;