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-rw-r--r--arch/sh/include/asm/cpu_sh4.h82
1 files changed, 82 insertions, 0 deletions
diff --git a/arch/sh/include/asm/cpu_sh4.h b/arch/sh/include/asm/cpu_sh4.h
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+++ b/arch/sh/include/asm/cpu_sh4.h
@@ -0,0 +1,82 @@
+/*
+ * (C) Copyright 2007,2008 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _ASM_CPU_SH4_H_
+#define _ASM_CPU_SH4_H_
+
+/* cache control */
+#define CCR_CACHE_STOP 0x00000808
+#define CCR_CACHE_ENABLE 0x00000101
+#define CCR_CACHE_ICI 0x00000800
+
+#define CACHE_OC_ADDRESS_ARRAY 0xf4000000
+
+#if defined (CONFIG_CPU_SH7750) || \
+ defined(CONFIG_CPU_SH7751)
+#define CACHE_OC_WAY_SHIFT 14
+#define CACHE_OC_NUM_ENTRIES 512
+#else
+#define CACHE_OC_WAY_SHIFT 13
+#define CACHE_OC_NUM_ENTRIES 256
+#endif
+#define CACHE_OC_ENTRY_SHIFT 5
+
+#if defined (CONFIG_CPU_SH7750) || \
+ defined(CONFIG_CPU_SH7751)
+# include <asm/cpu_sh7750.h>
+#elif defined (CONFIG_CPU_SH7722)
+# include <asm/cpu_sh7722.h>
+#elif defined (CONFIG_CPU_SH7723)
+# include <asm/cpu_sh7723.h>
+#elif defined (CONFIG_CPU_SH7763)
+# include <asm/cpu_sh7763.h>
+#elif defined (CONFIG_CPU_SH7780)
+# include <asm/cpu_sh7780.h>
+#elif defined (CONFIG_CPU_SH7785)
+# include <asm/cpu_sh7785.h>
+#else
+# error "Unknown SH4 variant"
+#endif
+
+#if defined(CONFIG_SH_32BIT)
+#define PMB_ADDR_ARRAY 0xf6100000
+#define PMB_ADDR_ENTRY 8
+#define PMB_VPN 24
+
+#define PMB_DATA_ARRAY 0xf7100000
+#define PMB_DATA_ENTRY 8
+#define PMB_PPN 24
+#define PMB_UB 9 /* Buffered write */
+#define PMB_V 8 /* Valid */
+#define PMB_SZ1 7 /* Page size (upper bit) */
+#define PMB_SZ0 4 /* Page size (lower bit) */
+#define PMB_C 3 /* Cacheability */
+#define PMB_WT 0 /* Write-through */
+
+#define PMB_ADDR_BASE(entry) (PMB_ADDR_ARRAY + (entry << PMB_ADDR_ENTRY))
+#define PMB_DATA_BASE(entry) (PMB_DATA_ARRAY + (entry << PMB_DATA_ENTRY))
+#define mk_pmb_addr_val(vpn) ((vpn << PMB_VPN))
+#define mk_pmb_data_val(ppn, ub, v, sz1, sz0, c, wt) \
+ ((ppn << PMB_PPN) | (ub << PMB_UB) | \
+ (v << PMB_V) | (sz1 << PMB_SZ1) | \
+ (sz0 << PMB_SZ0) | (c << PMB_C) | \
+ (wt << PMB_WT))
+#endif
+
+#endif /* _ASM_CPU_SH4_H_ */