1 files changed, 183 insertions, 0 deletions

diff --git a/include/asm-arm/arch-omap/cpu.h b/include/asm-arm/arch-omap/cpu.h
new file mode 100644
index 000000000000..e8786713ee5c
--- /dev/null
+++ b/include/asm-arm/arch-omap/cpu.h
@@ -0,0 +1,183 @@
+/*
+ * linux/include/asm-arm/arch-omap/cpu.h
+ *
+ * OMAP cpu type detection
+ *
+ * Copyright (C) 2004 Nokia Corporation
+ *
+ * Written by Tony Lindgren <tony.lindgren@nokia.com>
+ *
+ * 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_ARCH_OMAP_CPU_H
+#define __ASM_ARCH_OMAP_CPU_H
+
+extern unsigned int system_rev;
+
+#define OMAP_DIE_ID_0           0xfffe1800
+#define OMAP_DIE_ID_1           0xfffe1804
+#define OMAP_PRODUCTION_ID_0    0xfffe2000
+#define OMAP_PRODUCTION_ID_1    0xfffe2004
+#define OMAP32_ID_0             0xfffed400
+#define OMAP32_ID_1             0xfffed404
+
+/*
+ * Test if multicore OMAP support is needed
+ */
+#undef MULTI_OMAP
+#undef OMAP_NAME
+
+#ifdef CONFIG_ARCH_OMAP730
+# ifdef OMAP_NAME
+#  undef  MULTI_OMAP
+#  define MULTI_OMAP
+# else
+#  define OMAP_NAME omap730
+# endif
+#endif
+#ifdef CONFIG_ARCH_OMAP1510
+# ifdef OMAP_NAME
+#  undef  MULTI_OMAP
+#  define MULTI_OMAP
+# else
+#  define OMAP_NAME omap1510
+# endif
+#endif
+#ifdef CONFIG_ARCH_OMAP16XX
+# ifdef OMAP_NAME
+#  undef  MULTI_OMAP
+#  define MULTI_OMAP
+# else
+#  define OMAP_NAME omap1610
+# endif
+#endif
+#ifdef CONFIG_ARCH_OMAP16XX
+# ifdef OMAP_NAME
+#  undef  MULTI_OMAP
+#  define MULTI_OMAP
+# else
+#  define OMAP_NAME omap1710
+# endif
+#endif
+
+/*
+ * Generate various OMAP cpu specific macros, and cpu class
+ * specific macros
+ */
+#define GET_OMAP_TYPE   ((system_rev >> 24) & 0xff)
+#define GET_OMAP_CLASS  (system_rev & 0xff)
+
+#define IS_OMAP_TYPE(type, id)                          \
+static inline int is_omap ##type (void)                 \
+{                                                       \
+        return (GET_OMAP_TYPE == (id)) ? 1 : 0;         \
+}
+
+#define IS_OMAP_CLASS(class, id)                        \
+static inline int is_omap ##class (void)                \
+{                                                       \
+        return (GET_OMAP_CLASS == (id)) ? 1 : 0;        \
+}
+
+IS_OMAP_TYPE(730, 0x07)
+IS_OMAP_TYPE(1510, 0x15)
+IS_OMAP_TYPE(1610, 0x16)
+IS_OMAP_TYPE(5912, 0x16)
+IS_OMAP_TYPE(1710, 0x17)
+IS_OMAP_TYPE(2420, 0x24)
+
+IS_OMAP_CLASS(7xx, 0x07)
+IS_OMAP_CLASS(15xx, 0x15)
+IS_OMAP_CLASS(16xx, 0x16)
+IS_OMAP_CLASS(24xx, 0x24)
+
+/*
+ * Macros to group OMAP types into cpu classes.
+ * These can be used in most places.
+ * cpu_is_omap15xx():   True for 1510 and 5910
+ * cpu_is_omap16xx():   True for 1610, 5912 and 1710
+ */
+#if defined(MULTI_OMAP)
+# define cpu_is_omap7xx()               is_omap7xx()
+# define cpu_is_omap15xx()              is_omap15xx()
+# if !(defined(CONFIG_ARCH_OMAP1510) || defined(CONFIG_ARCH_OMAP730))
+#  define cpu_is_omap16xx()             1
+# else
+#  define cpu_is_omap16xx()             is_omap16xx()
+# endif
+#else
+# if defined(CONFIG_ARCH_OMAP730)
+#  define cpu_is_omap7xx()              1
+# else
+#  define cpu_is_omap7xx()              0
+# endif
+# if defined(CONFIG_ARCH_OMAP1510)
+#  define cpu_is_omap15xx()             1
+# else
+#  define cpu_is_omap15xx()             0
+# endif
+# if defined(CONFIG_ARCH_OMAP16XX)
+#  define cpu_is_omap16xx()             1
+# else
+#  define cpu_is_omap16xx()             0
+# endif
+#endif
+
+#if defined(MULTI_OMAP)
+# define cpu_is_omap730()               is_omap730()
+# define cpu_is_omap1510()              is_omap1510()
+# define cpu_is_omap1610()              is_omap1610()
+# define cpu_is_omap5912()              is_omap5912()
+# define cpu_is_omap1710()              is_omap1710()
+#else
+# if defined(CONFIG_ARCH_OMAP730)
+#  define cpu_is_omap730()              1
+# else
+#  define cpu_is_omap730()              0
+# endif
+# if defined(CONFIG_ARCH_OMAP1510)
+#  define cpu_is_omap1510()             1
+# else
+#  define cpu_is_omap1510()             0
+# endif
+# if defined(CONFIG_ARCH_OMAP16XX)
+#  define cpu_is_omap1610()             1
+# else
+#  define cpu_is_omap1610()             0
+# endif
+# if defined(CONFIG_ARCH_OMAP16XX)
+#  define cpu_is_omap5912()             1
+# else
+#  define cpu_is_omap5912()             0
+# endif
+# if defined(CONFIG_ARCH_OMAP16XX)
+# define cpu_is_omap1610()              is_omap1610()
+# define cpu_is_omap5912()              is_omap5912()
+# define cpu_is_omap1710()              is_omap1710()
+# else
+# define cpu_is_omap1610()              0
+# define cpu_is_omap5912()              0
+# define cpu_is_omap1710()              0
+# endif
+# if defined(CONFIG_ARCH_OMAP2420)
+#  define cpu_is_omap2420()             1
+# else
+#  define cpu_is_omap2420()             0
+# endif
+#endif
+
+#endif