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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/alpha/include/asm/cache.h
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/alpha/include/asm/cache.h')
-rw-r--r--arch/alpha/include/asm/cache.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/cache.h b/arch/alpha/include/asm/cache.h
new file mode 100644
index 000000000..6ce508c68
--- /dev/null
+++ b/arch/alpha/include/asm/cache.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * include/asm-alpha/cache.h
+ */
+#ifndef __ARCH_ALPHA_CACHE_H
+#define __ARCH_ALPHA_CACHE_H
+
+
+/* Bytes per L1 (data) cache line. */
+#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_EV6)
+# define L1_CACHE_BYTES 64
+# define L1_CACHE_SHIFT 6
+#else
+/* Both EV4 and EV5 are write-through, read-allocate,
+ direct-mapped, physical.
+*/
+# define L1_CACHE_BYTES 32
+# define L1_CACHE_SHIFT 5
+#endif
+
+#define SMP_CACHE_BYTES L1_CACHE_BYTES
+
+#endif