1 files changed, 426 insertions, 0 deletions

diff --git a/arch/arm/plat-omap/include/plat/cpu.h b/arch/arm/plat-omap/include/plat/cpu.h
new file mode 100644
index 000000000000..f129efb3075e
--- /dev/null
+++ b/arch/arm/plat-omap/include/plat/cpu.h
@@ -0,0 +1,426 @@
+/*
+ * arch/arm/plat-omap/include/mach/cpu.h
+ *
+ * OMAP cpu type detection
+ *
+ * Copyright (C) 2004, 2008 Nokia Corporation
+ *
+ * Copyright (C) 2009 Texas Instruments.
+ *
+ * Written by Tony Lindgren <tony.lindgren@nokia.com>
+ *
+ * Added OMAP4 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
+
+/*
+ * Omap device type i.e. EMU/HS/TST/GP/BAD
+ */
+#define OMAP2_DEVICE_TYPE_TEST          0
+#define OMAP2_DEVICE_TYPE_EMU           1
+#define OMAP2_DEVICE_TYPE_SEC           2
+#define OMAP2_DEVICE_TYPE_GP            3
+#define OMAP2_DEVICE_TYPE_BAD           4
+
+int omap_type(void);
+
+struct omap_chip_id {
+        u8 oc;
+        u8 type;
+};
+
+#define OMAP_CHIP_INIT(x)       { .oc = x }
+
+/*
+ * 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);
+
+/*
+ * 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_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
+#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, OMAP850
+ * 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  (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)
+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
+#define cpu_is_omap44xx()               0
+#define cpu_is_omap443x()               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
+
+#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_omap850():    True for OMAP850
+ * 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   ((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(730, 0x0730)
+IS_OMAP_TYPE(850, 0x0850)
+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_omap850()                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
+
+/*
+ * Whether we have MULTI_OMAP1 or not, we still need to distinguish
+ * between 730 vs 850, 330 vs. 1510 and 1611B/5912 vs. 1710.
+ */
+
+#if defined(CONFIG_ARCH_OMAP730)
+# undef  cpu_is_omap730
+# define cpu_is_omap730()               is_omap730()
+#endif
+
+#if defined(CONFIG_ARCH_OMAP850)
+# undef  cpu_is_omap850
+# define cpu_is_omap850()               is_omap850()
+#endif
+
+#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
+
+# if defined(CONFIG_ARCH_OMAP4)
+# undef cpu_is_omap44xx
+# undef cpu_is_omap443x
+# define cpu_is_omap44xx()              1
+# define cpu_is_omap443x()              1
+# endif
+
+/* Macros to detect if we have OMAP1 or OMAP2 */
+#define cpu_class_is_omap1()    (cpu_is_omap7xx() || cpu_is_omap15xx() || \
+                                cpu_is_omap16xx())
+#define cpu_class_is_omap2()    (cpu_is_omap24xx() || cpu_is_omap34xx() || \
+                                cpu_is_omap44xx())
+
+/* Various silicon revisions for omap2 */
+#define OMAP242X_CLASS          0x24200024
+#define OMAP2420_REV_ES1_0      0x24200024
+#define OMAP2420_REV_ES2_0      0x24201024
+
+#define OMAP243X_CLASS          0x24300024
+#define OMAP2430_REV_ES1_0      0x24300024
+
+#define OMAP343X_CLASS          0x34300034
+#define OMAP3430_REV_ES1_0      0x34300034
+#define OMAP3430_REV_ES2_0      0x34301034
+#define OMAP3430_REV_ES2_1      0x34302034
+#define OMAP3430_REV_ES3_0      0x34303034
+#define OMAP3430_REV_ES3_1      0x34304034
+
+#define OMAP443X_CLASS          0x44300034
+
+/*
+ * 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_OMAP3430ES3_0           (1 << 5)
+#define CHIP_IS_OMAP3430ES3_1           (1 << 6)
+
+#define CHIP_IS_OMAP24XX                (CHIP_IS_OMAP2420 | CHIP_IS_OMAP2430)
+
+/*
+ * "GE" here represents "greater than or equal to" in terms of ES
+ * levels.  So CHIP_GE_OMAP3430ES2 is intended to match all OMAP3430
+ * chips at ES2 and beyond, but not, for example, any OMAP lines after
+ * OMAP3.
+ */
+#define CHIP_GE_OMAP3430ES2             (CHIP_IS_OMAP3430ES2 | \
+                                         CHIP_IS_OMAP3430ES3_0 | \
+                                         CHIP_IS_OMAP3430ES3_1)
+#define CHIP_GE_OMAP3430ES3_1           (CHIP_IS_OMAP3430ES3_1)
+
+
+int omap_chip_is(struct omap_chip_id oci);
+void omap2_check_revision(void);
+
+#endif