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diff --git a/arch/arm/plat-omap/include/mach/cpu.h b/arch/arm/plat-omap/include/mach/cpu.h
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+/*
+ * arch/arm/plat-omap/include/mach/cpu.h
+ *
+ * OMAP cpu type detection
+ *
+ * Copyright (C) 2004, 2008 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
+
+struct omap_chip_id {
+ u8 oc;
+};
+
+#define OMAP_CHIP_INIT(x) { .oc = x }
+
+extern unsigned int system_rev;
+
+#define omap2_cpu_rev() ((system_rev >> 12) & 0x0f)
+
+/*
+ * Test if multicore OMAP support is needed
+ */
+#undef MULTI_OMAP1
+#undef MULTI_OMAP2
+#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_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
+#if (defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX))
+# if (defined(OMAP_NAME) || defined(MULTI_OMAP1))
+# error "OMAP1 and OMAP2 can't be selected at the same time"
+# endif
+#endif
+#ifdef CONFIG_ARCH_OMAP2420
+# ifdef OMAP_NAME
+# undef MULTI_OMAP2
+# define MULTI_OMAP2
+# else
+# define OMAP_NAME omap2420
+# endif
+#endif
+#ifdef CONFIG_ARCH_OMAP2430
+# ifdef OMAP_NAME
+# undef MULTI_OMAP2
+# define MULTI_OMAP2
+# else
+# define OMAP_NAME omap2430
+# endif
+#endif
+#ifdef CONFIG_ARCH_OMAP3430
+# ifdef OMAP_NAME
+# undef MULTI_OMAP2
+# define MULTI_OMAP2
+# else
+# define OMAP_NAME omap3430
+# endif
+#endif
+
+/*
+ * Macros to group OMAP into cpu classes.
+ * These can be used in most places.
+ * cpu_is_omap7xx(): True for OMAP730
+ * cpu_is_omap15xx(): True for OMAP1510, OMAP5910 and OMAP310
+ * cpu_is_omap16xx(): True for OMAP1610, OMAP5912 and OMAP1710
+ * cpu_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
+ * cpu_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423
+ * cpu_is_omap243x(): True for OMAP2430
+ * cpu_is_omap343x(): True for OMAP3430
+ */
+#define GET_OMAP_CLASS ((system_rev >> 24) & 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 ((system_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)
+IS_OMAP_CLASS(24xx, 0x24)
+IS_OMAP_CLASS(34xx, 0x34)
+
+IS_OMAP_SUBCLASS(242x, 0x242)
+IS_OMAP_SUBCLASS(243x, 0x243)
+IS_OMAP_SUBCLASS(343x, 0x343)
+
+#define cpu_is_omap7xx() 0
+#define cpu_is_omap15xx() 0
+#define cpu_is_omap16xx() 0
+#define cpu_is_omap24xx() 0
+#define cpu_is_omap242x() 0
+#define cpu_is_omap243x() 0
+#define cpu_is_omap34xx() 0
+#define cpu_is_omap343x() 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_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_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
+
+#if defined(MULTI_OMAP2)
+# if defined(CONFIG_ARCH_OMAP24XX)
+# undef cpu_is_omap24xx
+# undef cpu_is_omap242x
+# undef cpu_is_omap243x
+# define cpu_is_omap24xx() is_omap24xx()
+# define cpu_is_omap242x() is_omap242x()
+# define cpu_is_omap243x() is_omap243x()
+# endif
+# if defined(CONFIG_ARCH_OMAP34XX)
+# undef cpu_is_omap34xx
+# undef cpu_is_omap343x
+# define cpu_is_omap34xx() is_omap34xx()
+# define cpu_is_omap343x() is_omap343x()
+# endif
+#else
+# if defined(CONFIG_ARCH_OMAP24XX)
+# undef cpu_is_omap24xx
+# define cpu_is_omap24xx() 1
+# endif
+# if defined(CONFIG_ARCH_OMAP2420)
+# undef cpu_is_omap242x
+# define cpu_is_omap242x() 1
+# endif
+# if defined(CONFIG_ARCH_OMAP2430)
+# undef cpu_is_omap243x
+# define cpu_is_omap243x() 1
+# endif
+# if defined(CONFIG_ARCH_OMAP34XX)
+# undef cpu_is_omap34xx
+# define cpu_is_omap34xx() 1
+# endif
+# if defined(CONFIG_ARCH_OMAP3430)
+# undef cpu_is_omap343x
+# define cpu_is_omap343x() 1
+# endif
+#endif
+
+/*
+ * Macros to detect individual cpu types.
+ * These are only rarely needed.
+ * cpu_is_omap330(): True for OMAP330
+ * cpu_is_omap730(): True for OMAP730
+ * 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
+ * cpu_is_omap2420(): True for OMAP2420
+ * cpu_is_omap2422(): True for OMAP2422
+ * cpu_is_omap2423(): True for OMAP2423
+ * cpu_is_omap2430(): True for OMAP2430
+ * cpu_is_omap3430(): True for OMAP3430
+ */
+#define GET_OMAP_TYPE ((system_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(730, 0x0730)
+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)
+IS_OMAP_TYPE(2420, 0x2420)
+IS_OMAP_TYPE(2422, 0x2422)
+IS_OMAP_TYPE(2423, 0x2423)
+IS_OMAP_TYPE(2430, 0x2430)
+IS_OMAP_TYPE(3430, 0x3430)
+
+#define cpu_is_omap310() 0
+#define cpu_is_omap730() 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
+#define cpu_is_omap2420() 0
+#define cpu_is_omap2422() 0
+#define cpu_is_omap2423() 0
+#define cpu_is_omap2430() 0
+#define cpu_is_omap3430() 0
+
+#if defined(MULTI_OMAP1)
+# if defined(CONFIG_ARCH_OMAP730)
+# undef cpu_is_omap730
+# define cpu_is_omap730() is_omap730()
+# endif
+#else
+# if defined(CONFIG_ARCH_OMAP730)
+# undef cpu_is_omap730
+# define cpu_is_omap730() 1
+# endif
+#endif
+
+/*
+ * Whether we have MULTI_OMAP1 or not, we still need to distinguish
+ * between 330 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
+
+#if defined(CONFIG_ARCH_OMAP24XX)
+# undef cpu_is_omap2420
+# undef cpu_is_omap2422
+# undef cpu_is_omap2423
+# undef cpu_is_omap2430
+# define cpu_is_omap2420() is_omap2420()
+# define cpu_is_omap2422() is_omap2422()
+# define cpu_is_omap2423() is_omap2423()
+# define cpu_is_omap2430() is_omap2430()
+#endif
+
+#if defined(CONFIG_ARCH_OMAP34XX)
+# undef cpu_is_omap3430
+# define cpu_is_omap3430() is_omap3430()
+#endif
+
+/* Macros to detect if we have OMAP1 or OMAP2 */
+#define cpu_class_is_omap1() (cpu_is_omap730() || cpu_is_omap15xx() || \
+ cpu_is_omap16xx())
+#define cpu_class_is_omap2() (cpu_is_omap24xx() || cpu_is_omap34xx())
+
+#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
+/*
+ * Macros to detect silicon revision of OMAP2/3 processors.
+ * is_sil_rev_greater_than: true if passed cpu type & its rev is greater.
+ * is_sil_rev_lesser_than: true if passed cpu type & its rev is lesser.
+ * is_sil_rev_equal_to: true if passed cpu type & its rev is equal.
+ * get_sil_rev: return the silicon rev value.
+ */
+#define get_sil_omap_type(rev) ((rev & 0xffff0000) >> 16)
+#define get_sil_revision(rev) ((rev & 0x0000f000) >> 12)
+
+#define is_sil_rev_greater_than(rev) \
+ ((get_sil_omap_type(system_rev) == get_sil_omap_type(rev)) && \
+ (get_sil_revision(system_rev) > get_sil_revision(rev)))
+
+#define is_sil_rev_less_than(rev) \
+ ((get_sil_omap_type(system_rev) == get_sil_omap_type(rev)) && \
+ (get_sil_revision(system_rev) < get_sil_revision(rev)))
+
+#define is_sil_rev_equal_to(rev) \
+ ((get_sil_omap_type(system_rev) == get_sil_omap_type(rev)) && \
+ (get_sil_revision(system_rev) == get_sil_revision(rev)))
+
+#define get_sil_rev() \
+ get_sil_revision(system_rev)
+
+/* Various silicon macros defined here */
+#define OMAP2420_REV_ES1_0 0x24200000
+#define OMAP2420_REV_ES2_0 0x24201000
+#define OMAP2430_REV_ES1_0 0x24300000
+#define OMAP3430_REV_ES1_0 0x34300000
+#define OMAP3430_REV_ES2_0 0x34301000
+#define OMAP3430_REV_ES2_1 0x34302000
+#define OMAP3430_REV_ES2_2 0x34303000
+
+/*
+ * omap_chip bits
+ *
+ * CHIP_IS_OMAP{2420,2430,3430} indicate that a particular structure is
+ * valid on all chips of that type. CHIP_IS_OMAP3430ES{1,2} indicates
+ * something that is only valid on that particular ES revision.
+ *
+ * These bits may be ORed together to indicate structures that are
+ * available on multiple chip types.
+ *
+ * To test whether a particular structure matches the current OMAP chip type,
+ * use omap_chip_is().
+ *
+ */
+#define CHIP_IS_OMAP2420 (1 << 0)
+#define CHIP_IS_OMAP2430 (1 << 1)
+#define CHIP_IS_OMAP3430 (1 << 2)
+#define CHIP_IS_OMAP3430ES1 (1 << 3)
+#define CHIP_IS_OMAP3430ES2 (1 << 4)
+
+#define CHIP_IS_OMAP24XX (CHIP_IS_OMAP2420 | CHIP_IS_OMAP2430)
+
+int omap_chip_is(struct omap_chip_id oci);
+
+
+/*
+ * Macro to detect device type i.e. EMU/HS/TST/GP/BAD
+ */
+#define DEVICE_TYPE_TEST 0
+#define DEVICE_TYPE_EMU 1
+#define DEVICE_TYPE_SEC 2
+#define DEVICE_TYPE_GP 3
+#define DEVICE_TYPE_BAD 4
+
+#define get_device_type() ((system_rev & 0x700) >> 8)
+#define is_device_type_test() (get_device_type() == DEVICE_TYPE_TEST)
+#define is_device_type_emu() (get_device_type() == DEVICE_TYPE_EMU)
+#define is_device_type_sec() (get_device_type() == DEVICE_TYPE_SEC)
+#define is_device_type_gp() (get_device_type() == DEVICE_TYPE_GP)
+#define is_device_type_bad() (get_device_type() == DEVICE_TYPE_BAD)
+
+void omap2_check_revision(void);
+
+#endif /* defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) */
+
+#endif
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