summaryrefslogtreecommitdiffstats
path: root/include/asm-v850/v850e2_cache.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-v850/v850e2_cache.h')
-rw-r--r--include/asm-v850/v850e2_cache.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/include/asm-v850/v850e2_cache.h b/include/asm-v850/v850e2_cache.h
new file mode 100644
index 0000000..61acda1
--- /dev/null
+++ b/include/asm-v850/v850e2_cache.h
@@ -0,0 +1,74 @@
+/*
+ * include/asm-v850/v850e2_cache_cache.h -- Cache control for V850E2
+ * cache memories
+ *
+ * Copyright (C) 2003 NEC Electronics Corporation
+ * Copyright (C) 2003 Miles Bader <miles@gnu.org>
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License. See the file COPYING in the main directory of this
+ * archive for more details.
+ *
+ * Written by Miles Bader <miles@gnu.org>
+ */
+
+#ifndef __V850_V850E2_CACHE_H__
+#define __V850_V850E2_CACHE_H__
+
+#include <asm/types.h>
+
+
+/* Cache control registers. */
+
+/* Bus Transaction Control */
+#define V850E2_CACHE_BTSC_ADDR 0xFFFFF070
+#define V850E2_CACHE_BTSC (*(volatile u16 *)V850E2_CACHE_BTSC_ADDR)
+#define V850E2_CACHE_BTSC_ICM 0x0001 /* icache enable */
+#define V850E2_CACHE_BTSC_DCM0 0x0004 /* dcache enable, bit 0 */
+#define V850E2_CACHE_BTSC_DCM1 0x0008 /* dcache enable, bit 1 */
+#define V850E2_CACHE_BTSC_DCM_WT /* write-through */ \
+ V850E2_CACHE_BTSC_DCM0
+#ifdef CONFIG_V850E2_V850E2S
+# define V850E2_CACHE_BTSC_DCM_WB_NO_ALLOC /* write-back, non-alloc */ \
+ V850E2_CACHE_BTSC_DCM1
+# define V850E2_CACHE_BTSC_DCM_WB_ALLOC /* write-back, non-alloc */ \
+ (V850E2_CACHE_BTSC_DCM1 | V850E2_CACHE_BTSC_DCM0)
+# define V850E2_CACHE_BTSC_ISEQ 0x0010 /* icache `address sequence mode' */
+# define V850E2_CACHE_BTSC_DSEQ 0x0020 /* dcache `address sequence mode' */
+# define V850E2_CACHE_BTSC_IRFC 0x0030
+# define V850E2_CACHE_BTSC_ILCD 0x4000
+# define V850E2_CACHE_BTSC_VABE 0x8000
+#endif /* CONFIG_V850E2_V850E2S */
+
+/* Cache operation start address register (low-bits). */
+#define V850E2_CACHE_CADL_ADDR 0xFFFFF074
+#define V850E2_CACHE_CADL (*(volatile u16 *)V850E2_CACHE_CADL_ADDR)
+/* Cache operation start address register (high-bits). */
+#define V850E2_CACHE_CADH_ADDR 0xFFFFF076
+#define V850E2_CACHE_CADH (*(volatile u16 *)V850E2_CACHE_CADH_ADDR)
+/* Cache operation count register. */
+#define V850E2_CACHE_CCNT_ADDR 0xFFFFF078
+#define V850E2_CACHE_CCNT (*(volatile u16 *)V850E2_CACHE_CCNT_ADDR)
+/* Cache operation specification register. */
+#define V850E2_CACHE_COPR_ADDR 0xFFFFF07A
+#define V850E2_CACHE_COPR (*(volatile u16 *)V850E2_CACHE_COPR_ADDR)
+#define V850E2_CACHE_COPR_STRT 0x0001 /* start cache operation */
+#define V850E2_CACHE_COPR_LBSL 0x0100 /* 0 = icache, 1 = dcache */
+#define V850E2_CACHE_COPR_WSLE 0x0200 /* operate on cache way */
+#define V850E2_CACHE_COPR_WSL(way) ((way) * 0x0400) /* way select */
+#define V850E2_CACHE_COPR_CFC(op) ((op) * 0x1000) /* cache function code */
+
+
+/* Size of a cache line in bytes. */
+#define V850E2_CACHE_LINE_SIZE_BITS 4
+#define V850E2_CACHE_LINE_SIZE (1 << V850E2_CACHE_LINE_SIZE_BITS)
+
+/* The size of each cache `way' in lines. */
+#define V850E2_CACHE_WAY_SIZE 256
+
+
+/* For <asm/cache.h> */
+#define L1_CACHE_BYTES V850E2_CACHE_LINE_SIZE
+
+
+#endif /* __V850_V850E2_CACHE_H__ */
OpenPOWER on IntegriCloud