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+/*
+ * OMAP cpu type detection
+ *
+ * Copyright (C) 2004, 2008 Nokia Corporation
+ *
+ * Copyright (C) 2009-11 Texas Instruments.
+ *
+ * Written by Tony Lindgren <tony.lindgren@nokia.com>
+ *
+ * Added OMAP4/5 specific defines - Santosh Shilimkar<santosh.shilimkar@ti.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
+
+#ifndef __ASSEMBLY__
+
+#include <linux/bitops.h>
+
+/*
+ * Test if multicore OMAP support is needed
+ */
+#undef MULTI_OMAP1
+#undef OMAP_NAME
+
+#ifdef CONFIG_ARCH_OMAP730
+# ifdef OMAP_NAME
+# undef MULTI_OMAP1
+# define MULTI_OMAP1
+# else
+# define OMAP_NAME omap730
+# endif
+#endif
+#ifdef CONFIG_ARCH_OMAP850
+# ifdef OMAP_NAME
+# undef MULTI_OMAP1
+# define MULTI_OMAP1
+# else
+# define OMAP_NAME omap850
+# endif
+#endif
+#ifdef CONFIG_ARCH_OMAP15XX
+# ifdef OMAP_NAME
+# undef MULTI_OMAP1
+# define MULTI_OMAP1
+# else
+# define OMAP_NAME omap1510
+# endif
+#endif
+#ifdef CONFIG_ARCH_OMAP16XX
+# ifdef OMAP_NAME
+# undef MULTI_OMAP1
+# define MULTI_OMAP1
+# else
+# define OMAP_NAME omap16xx
+# endif
+#endif
+
+/*
+ * omap_rev bits:
+ * CPU id bits (0730, 1510, 1710, 2422...) [31:16]
+ * CPU revision (See _REV_ defined in cpu.h) [15:08]
+ * CPU class bits (15xx, 16xx, 24xx, 34xx...) [07:00]
+ */
+unsigned int omap_rev(void);
+
+/*
+ * Get the CPU revision for OMAP devices
+ */
+#define GET_OMAP_REVISION() ((omap_rev() >> 8) & 0xff)
+
+/*
+ * Macros to group OMAP into cpu classes.
+ * These can be used in most places.
+ * cpu_is_omap7xx(): True for OMAP730, OMAP850
+ * cpu_is_omap15xx(): True for OMAP1510, OMAP5910 and OMAP310
+ * cpu_is_omap16xx(): True for OMAP1610, OMAP5912 and OMAP1710
+ */
+#define GET_OMAP_CLASS (omap_rev() & 0xff)
+
+#define IS_OMAP_CLASS(class, id) \
+static inline int is_omap ##class (void) \
+{ \
+ return (GET_OMAP_CLASS == (id)) ? 1 : 0; \
+}
+
+#define GET_OMAP_SUBCLASS ((omap_rev() >> 20) & 0x0fff)
+
+#define IS_OMAP_SUBCLASS(subclass, id) \
+static inline int is_omap ##subclass (void) \
+{ \
+ return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
+}
+
+IS_OMAP_CLASS(7xx, 0x07)
+IS_OMAP_CLASS(15xx, 0x15)
+IS_OMAP_CLASS(16xx, 0x16)
+
+#define cpu_is_omap7xx() 0
+#define cpu_is_omap15xx() 0
+#define cpu_is_omap16xx() 0
+
+#if defined(MULTI_OMAP1)
+# if defined(CONFIG_ARCH_OMAP730)
+# undef cpu_is_omap7xx
+# define cpu_is_omap7xx() is_omap7xx()
+# endif
+# if defined(CONFIG_ARCH_OMAP850)
+# undef cpu_is_omap7xx
+# define cpu_is_omap7xx() is_omap7xx()
+# endif
+# if defined(CONFIG_ARCH_OMAP15XX)
+# undef cpu_is_omap15xx
+# define cpu_is_omap15xx() is_omap15xx()
+# endif
+# if defined(CONFIG_ARCH_OMAP16XX)
+# undef cpu_is_omap16xx
+# define cpu_is_omap16xx() is_omap16xx()
+# endif
+#else
+# if defined(CONFIG_ARCH_OMAP730)
+# undef cpu_is_omap7xx
+# define cpu_is_omap7xx() 1
+# endif
+# if defined(CONFIG_ARCH_OMAP850)
+# undef cpu_is_omap7xx
+# define cpu_is_omap7xx() 1
+# endif
+# if defined(CONFIG_ARCH_OMAP15XX)
+# undef cpu_is_omap15xx
+# define cpu_is_omap15xx() 1
+# endif
+# if defined(CONFIG_ARCH_OMAP16XX)
+# undef cpu_is_omap16xx
+# define cpu_is_omap16xx() 1
+# endif
+#endif
+
+/*
+ * Macros to detect individual cpu types.
+ * These are only rarely needed.
+ * cpu_is_omap310(): True for OMAP310
+ * cpu_is_omap1510(): True for OMAP1510
+ * cpu_is_omap1610(): True for OMAP1610
+ * cpu_is_omap1611(): True for OMAP1611
+ * cpu_is_omap5912(): True for OMAP5912
+ * cpu_is_omap1621(): True for OMAP1621
+ * cpu_is_omap1710(): True for OMAP1710
+ */
+#define GET_OMAP_TYPE ((omap_rev() >> 16) & 0xffff)
+
+#define IS_OMAP_TYPE(type, id) \
+static inline int is_omap ##type (void) \
+{ \
+ return (GET_OMAP_TYPE == (id)) ? 1 : 0; \
+}
+
+IS_OMAP_TYPE(310, 0x0310)
+IS_OMAP_TYPE(1510, 0x1510)
+IS_OMAP_TYPE(1610, 0x1610)
+IS_OMAP_TYPE(1611, 0x1611)
+IS_OMAP_TYPE(5912, 0x1611)
+IS_OMAP_TYPE(1621, 0x1621)
+IS_OMAP_TYPE(1710, 0x1710)
+
+#define cpu_is_omap310() 0
+#define cpu_is_omap1510() 0
+#define cpu_is_omap1610() 0
+#define cpu_is_omap5912() 0
+#define cpu_is_omap1611() 0
+#define cpu_is_omap1621() 0
+#define cpu_is_omap1710() 0
+
+/* These are needed to compile common code */
+#ifdef CONFIG_ARCH_OMAP1
+#define cpu_is_omap242x() 0
+#define cpu_is_omap2430() 0
+#define cpu_is_omap243x() 0
+#define cpu_is_omap24xx() 0
+#define cpu_is_omap34xx() 0
+#define cpu_is_omap44xx() 0
+#define soc_is_omap54xx() 0
+#define soc_is_am33xx() 0
+#define cpu_class_is_omap1() 1
+#define cpu_class_is_omap2() 0
+#endif
+
+/*
+ * Whether we have MULTI_OMAP1 or not, we still need to distinguish
+ * between 310 vs. 1510 and 1611B/5912 vs. 1710.
+ */
+
+#if defined(CONFIG_ARCH_OMAP15XX)
+# undef cpu_is_omap310
+# undef cpu_is_omap1510
+# define cpu_is_omap310() is_omap310()
+# define cpu_is_omap1510() is_omap1510()
+#endif
+
+#if defined(CONFIG_ARCH_OMAP16XX)
+# undef cpu_is_omap1610
+# undef cpu_is_omap1611
+# undef cpu_is_omap5912
+# undef cpu_is_omap1621
+# undef cpu_is_omap1710
+# define cpu_is_omap1610() is_omap1610()
+# define cpu_is_omap1611() is_omap1611()
+# define cpu_is_omap5912() is_omap5912()
+# define cpu_is_omap1621() is_omap1621()
+# define cpu_is_omap1710() is_omap1710()
+#endif
+
+#endif /* __ASSEMBLY__ */
+#endif