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authorRobert Baldyga <r.baldyga@samsung.com>2014-09-19 12:17:55 +0200
committerMinkyu Kang <mk7.kang@samsung.com>2014-10-08 19:42:04 +0900
commitdab067c32307d7f78ab00ef19690fecbc3ad607a (patch)
tree73002a9bd0eca44898b5e0f07f0f59d8e0ec01a9 /arch/arm
parent2ecd779742e3eda5b8d1355b56ddc1ea836c8407 (diff)
armv7: s5pc1xx: improve cache handling
Move cache handling code to C file, and add enable_caches() and disable_caches() functions. Signed-off-by: Robert Baldyga <r.baldyga@samsung.com> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/cpu/armv7/s5pc1xx/cache.S30
-rw-r--r--arch/arm/cpu/armv7/s5pc1xx/cache.c47
2 files changed, 47 insertions, 30 deletions
diff --git a/arch/arm/cpu/armv7/s5pc1xx/cache.S b/arch/arm/cpu/armv7/s5pc1xx/cache.S
deleted file mode 100644
index 3089592eb1..0000000000
--- a/arch/arm/cpu/armv7/s5pc1xx/cache.S
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Copyright (C) 2009 Samsung Electronics
- * Minkyu Kang <mk7.kang@samsung.com>
- *
- * based on arch/arm/cpu/armv7/omap3/cache.S
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-.align 5
-
-#include <linux/linkage.h>
-
-#ifndef CONFIG_SYS_L2CACHE_OFF
-ENTRY(v7_outer_cache_enable)
- push {r0, r1, r2, lr}
- mrc 15, 0, r3, cr1, cr0, 1
- orr r3, r3, #2
- mcr 15, 0, r3, cr1, cr0, 1
- pop {r1, r2, r3, pc}
-ENDPROC(v7_outer_cache_enable)
-
-ENTRY(v7_outer_cache_disable)
- push {r0, r1, r2, lr}
- mrc 15, 0, r3, cr1, cr0, 1
- bic r3, r3, #2
- mcr 15, 0, r3, cr1, cr0, 1
- pop {r1, r2, r3, pc}
-ENDPROC(v7_outer_cache_disable)
-#endif
diff --git a/arch/arm/cpu/armv7/s5pc1xx/cache.c b/arch/arm/cpu/armv7/s5pc1xx/cache.c
new file mode 100644
index 0000000000..51af2990c2
--- /dev/null
+++ b/arch/arm/cpu/armv7/s5pc1xx/cache.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2014 Samsung Electronics
+ * Minkyu Kang <mk7.kang@samsung.com>
+ * Robert Baldyga <r.baldyga@samsung.com>
+ *
+ * based on arch/arm/cpu/armv7/omap3/cache.S
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+
+#ifndef CONFIG_SYS_DCACHE_OFF
+void enable_caches(void)
+{
+ dcache_enable();
+}
+
+void disable_caches(void)
+{
+ dcache_disable();
+}
+#endif
+
+#ifndef CONFIG_SYS_L2CACHE_OFF
+void v7_outer_cache_enable(void)
+{
+ __asm(
+ "push {r0, r1, r2, lr}\n\t"
+ "mrc 15, 0, r3, cr1, cr0, 1\n\t"
+ "orr r3, r3, #2\n\t"
+ "mcr 15, 0, r3, cr1, cr0, 1\n\t"
+ "pop {r1, r2, r3, pc}"
+ );
+}
+
+void v7_outer_cache_disable(void)
+{
+ __asm(
+ "push {r0, r1, r2, lr}\n\t"
+ "mrc 15, 0, r3, cr1, cr0, 1\n\t"
+ "bic r3, r3, #2\n\t"
+ "mcr 15, 0, r3, cr1, cr0, 1\n\t"
+ "pop {r1, r2, r3, pc}"
+ );
+}
+#endif