-#include <plat/cpu.h>
+/*
+ * 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
+ *
+ */
+
#include "omap24xx.h"
#include "omap34xx.h"
#include "omap44xx.h"
#include "ti81xx.h"
#include "am33xx.h"
#include "omap54xx.h"
+
+#ifndef __ASSEMBLY__
+
+#include <linux/bitops.h>
+
+/*
+ * Test if multicore OMAP support is needed
+ */
+#undef MULTI_OMAP2
+#undef OMAP_NAME
+
+#ifdef CONFIG_SOC_OMAP2420
+# ifdef OMAP_NAME
+# undef MULTI_OMAP2
+# define MULTI_OMAP2
+# else
+# define OMAP_NAME omap2420
+# endif
+#endif
+#ifdef CONFIG_SOC_OMAP2430
+# ifdef OMAP_NAME
+# undef MULTI_OMAP2
+# define MULTI_OMAP2
+# else
+# define OMAP_NAME omap2430
+# endif
+#endif
+#ifdef CONFIG_ARCH_OMAP3
+# ifdef OMAP_NAME
+# undef MULTI_OMAP2
+# define MULTI_OMAP2
+# else
+# define OMAP_NAME omap3
+# endif
+#endif
+#ifdef CONFIG_ARCH_OMAP4
+# ifdef OMAP_NAME
+# undef MULTI_OMAP2
+# define MULTI_OMAP2
+# else
+# define OMAP_NAME omap4
+# endif
+#endif
+
+#ifdef CONFIG_SOC_OMAP5
+# ifdef OMAP_NAME
+# undef MULTI_OMAP2
+# define MULTI_OMAP2
+# else
+# define OMAP_NAME omap5
+# endif
+#endif
+
+#ifdef CONFIG_SOC_AM33XX
+# ifdef OMAP_NAME
+# undef MULTI_OMAP2
+# define MULTI_OMAP2
+# else
+# define OMAP_NAME am33xx
+# endif
+#endif
+
+/*
+ * 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);
+
+/*
+ * 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_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
+ * cpu_is_omap443x(): True for OMAP4430
+ * cpu_is_omap446x(): True for OMAP4460
+ * cpu_is_omap447x(): True for OMAP4470
+ * soc_is_omap543x(): True for OMAP5430, OMAP5432
+ */
+#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_AM_CLASS ((omap_rev() >> 24) & 0xff)
+
+#define IS_AM_CLASS(class, id) \
+static inline int is_am ##class (void) \
+{ \
+ return (GET_AM_CLASS == (id)) ? 1 : 0; \
+}
+
+#define GET_TI_CLASS ((omap_rev() >> 24) & 0xff)
+
+#define IS_TI_CLASS(class, id) \
+static inline int is_ti ##class (void) \
+{ \
+ return (GET_TI_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; \
+}
+
+#define IS_TI_SUBCLASS(subclass, id) \
+static inline int is_ti ##subclass (void) \
+{ \
+ return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
+}
+
+#define IS_AM_SUBCLASS(subclass, id) \
+static inline int is_am ##subclass (void) \
+{ \
+ return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
+}
+
+IS_OMAP_CLASS(24xx, 0x24)
+IS_OMAP_CLASS(34xx, 0x34)
+IS_OMAP_CLASS(44xx, 0x44)
+IS_AM_CLASS(35xx, 0x35)
+IS_OMAP_CLASS(54xx, 0x54)
+IS_AM_CLASS(33xx, 0x33)
+
+IS_TI_CLASS(81xx, 0x81)
+
+IS_OMAP_SUBCLASS(242x, 0x242)
+IS_OMAP_SUBCLASS(243x, 0x243)
+IS_OMAP_SUBCLASS(343x, 0x343)
+IS_OMAP_SUBCLASS(363x, 0x363)
+IS_OMAP_SUBCLASS(443x, 0x443)
+IS_OMAP_SUBCLASS(446x, 0x446)
+IS_OMAP_SUBCLASS(447x, 0x447)
+IS_OMAP_SUBCLASS(543x, 0x543)
+
+IS_TI_SUBCLASS(816x, 0x816)
+IS_TI_SUBCLASS(814x, 0x814)
+IS_AM_SUBCLASS(335x, 0x335)
+
+#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_ti81xx() 0
+#define cpu_is_ti816x() 0
+#define cpu_is_ti814x() 0
+#define soc_is_am35xx() 0
+#define soc_is_am33xx() 0
+#define soc_is_am335x() 0
+#define cpu_is_omap44xx() 0
+#define cpu_is_omap443x() 0
+#define cpu_is_omap446x() 0
+#define cpu_is_omap447x() 0
+#define soc_is_omap54xx() 0
+#define soc_is_omap543x() 0
+
+#if defined(MULTI_OMAP2)
+# if defined(CONFIG_ARCH_OMAP2)
+# undef cpu_is_omap24xx
+# define cpu_is_omap24xx() is_omap24xx()
+# endif
+# if defined (CONFIG_SOC_OMAP2420)
+# undef cpu_is_omap242x
+# define cpu_is_omap242x() is_omap242x()
+# endif
+# if defined (CONFIG_SOC_OMAP2430)
+# undef cpu_is_omap243x
+# define cpu_is_omap243x() is_omap243x()
+# endif
+# if defined(CONFIG_ARCH_OMAP3)
+# 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_OMAP2)
+# undef cpu_is_omap24xx
+# define cpu_is_omap24xx() 1
+# endif
+# if defined(CONFIG_SOC_OMAP2420)
+# undef cpu_is_omap242x
+# define cpu_is_omap242x() 1
+# endif
+# if defined(CONFIG_SOC_OMAP2430)
+# undef cpu_is_omap243x
+# define cpu_is_omap243x() 1
+# endif
+# if defined(CONFIG_ARCH_OMAP3)
+# undef cpu_is_omap34xx
+# define cpu_is_omap34xx() 1
+# endif
+# if defined(CONFIG_SOC_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_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(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_omap2420() 0
+#define cpu_is_omap2422() 0
+#define cpu_is_omap2423() 0
+#define cpu_is_omap2430() 0
+#define cpu_is_omap3430() 0
+#define cpu_is_omap3630() 0
+#define soc_is_omap5430() 0
+
+/* These are needed for the common code */
+#ifdef CONFIG_ARCH_OMAP2PLUS
+#define cpu_is_omap7xx() 0
+#define cpu_is_omap15xx() 0
+#define cpu_is_omap16xx() 0
+#define cpu_is_omap1510() 0
+#define cpu_is_omap1610() 0
+#define cpu_is_omap1611() 0
+#define cpu_is_omap1621() 0
+#define cpu_is_omap1710() 0
+#define cpu_class_is_omap1() 0
+#define cpu_class_is_omap2() 1
+#endif
+
+#if defined(CONFIG_ARCH_OMAP2)
+# 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_OMAP3)
+# undef cpu_is_omap3430
+# undef cpu_is_ti81xx
+# undef cpu_is_ti816x
+# undef cpu_is_ti814x
+# undef soc_is_am35xx
+# define cpu_is_omap3430() is_omap3430()
+# undef cpu_is_omap3630
+# define cpu_is_omap3630() is_omap363x()
+# define cpu_is_ti81xx() is_ti81xx()
+# define cpu_is_ti816x() is_ti816x()
+# define cpu_is_ti814x() is_ti814x()
+# define soc_is_am35xx() is_am35xx()
+#endif
+
+# if defined(CONFIG_SOC_AM33XX)
+# undef soc_is_am33xx
+# undef soc_is_am335x
+# define soc_is_am33xx() is_am33xx()
+# define soc_is_am335x() is_am335x()
+#endif
+
+# if defined(CONFIG_ARCH_OMAP4)
+# undef cpu_is_omap44xx
+# undef cpu_is_omap443x
+# undef cpu_is_omap446x
+# undef cpu_is_omap447x
+# define cpu_is_omap44xx() is_omap44xx()
+# define cpu_is_omap443x() is_omap443x()
+# define cpu_is_omap446x() is_omap446x()
+# define cpu_is_omap447x() is_omap447x()
+# endif
+
+# if defined(CONFIG_SOC_OMAP5)
+# undef soc_is_omap54xx
+# undef soc_is_omap543x
+# define soc_is_omap54xx() is_omap54xx()
+# define soc_is_omap543x() is_omap543x()
+#endif
+
+/* Various silicon revisions for omap2 */
+#define OMAP242X_CLASS 0x24200024
+#define OMAP2420_REV_ES1_0 OMAP242X_CLASS
+#define OMAP2420_REV_ES2_0 (OMAP242X_CLASS | (0x1 << 8))
+
+#define OMAP243X_CLASS 0x24300024
+#define OMAP2430_REV_ES1_0 OMAP243X_CLASS
+
+#define OMAP343X_CLASS 0x34300034
+#define OMAP3430_REV_ES1_0 OMAP343X_CLASS
+#define OMAP3430_REV_ES2_0 (OMAP343X_CLASS | (0x1 << 8))
+#define OMAP3430_REV_ES2_1 (OMAP343X_CLASS | (0x2 << 8))
+#define OMAP3430_REV_ES3_0 (OMAP343X_CLASS | (0x3 << 8))
+#define OMAP3430_REV_ES3_1 (OMAP343X_CLASS | (0x4 << 8))
+#define OMAP3430_REV_ES3_1_2 (OMAP343X_CLASS | (0x5 << 8))
+
+#define OMAP363X_CLASS 0x36300034
+#define OMAP3630_REV_ES1_0 OMAP363X_CLASS
+#define OMAP3630_REV_ES1_1 (OMAP363X_CLASS | (0x1 << 8))
+#define OMAP3630_REV_ES1_2 (OMAP363X_CLASS | (0x2 << 8))
+
+#define TI816X_CLASS 0x81600034
+#define TI8168_REV_ES1_0 TI816X_CLASS
+#define TI8168_REV_ES1_1 (TI816X_CLASS | (0x1 << 8))
+
+#define TI814X_CLASS 0x81400034
+#define TI8148_REV_ES1_0 TI814X_CLASS
+#define TI8148_REV_ES2_0 (TI814X_CLASS | (0x1 << 8))
+#define TI8148_REV_ES2_1 (TI814X_CLASS | (0x2 << 8))
+
+#define AM35XX_CLASS 0x35170034
+#define AM35XX_REV_ES1_0 AM35XX_CLASS
+#define AM35XX_REV_ES1_1 (AM35XX_CLASS | (0x1 << 8))
+
+#define AM335X_CLASS 0x33500033
+#define AM335X_REV_ES1_0 AM335X_CLASS
+
+#define OMAP443X_CLASS 0x44300044
+#define OMAP4430_REV_ES1_0 (OMAP443X_CLASS | (0x10 << 8))
+#define OMAP4430_REV_ES2_0 (OMAP443X_CLASS | (0x20 << 8))
+#define OMAP4430_REV_ES2_1 (OMAP443X_CLASS | (0x21 << 8))
+#define OMAP4430_REV_ES2_2 (OMAP443X_CLASS | (0x22 << 8))
+#define OMAP4430_REV_ES2_3 (OMAP443X_CLASS | (0x23 << 8))
+
+#define OMAP446X_CLASS 0x44600044
+#define OMAP4460_REV_ES1_0 (OMAP446X_CLASS | (0x10 << 8))
+#define OMAP4460_REV_ES1_1 (OMAP446X_CLASS | (0x11 << 8))
+
+#define OMAP447X_CLASS 0x44700044
+#define OMAP4470_REV_ES1_0 (OMAP447X_CLASS | (0x10 << 8))
+
+#define OMAP54XX_CLASS 0x54000054
+#define OMAP5430_REV_ES1_0 (OMAP54XX_CLASS | (0x30 << 16) | (0x10 << 8))
+#define OMAP5432_REV_ES1_0 (OMAP54XX_CLASS | (0x32 << 16) | (0x10 << 8))
+
+void omap2xxx_check_revision(void);
+void omap3xxx_check_revision(void);
+void omap4xxx_check_revision(void);
+void omap5xxx_check_revision(void);
+void omap3xxx_check_features(void);
+void ti81xx_check_features(void);
+void omap4xxx_check_features(void);
+
+/*
+ * Runtime detection of OMAP3 features
+ *
+ * OMAP3_HAS_IO_CHAIN_CTRL: Some later members of the OMAP3 chip
+ * family have OS-level control over the I/O chain clock. This is
+ * to avoid a window during which wakeups could potentially be lost
+ * during powerdomain transitions. If this bit is set, it
+ * indicates that the chip does support OS-level control of this
+ * feature.
+ */
+extern u32 omap_features;
+
+#define OMAP3_HAS_L2CACHE BIT(0)
+#define OMAP3_HAS_IVA BIT(1)
+#define OMAP3_HAS_SGX BIT(2)
+#define OMAP3_HAS_NEON BIT(3)
+#define OMAP3_HAS_ISP BIT(4)
+#define OMAP3_HAS_192MHZ_CLK BIT(5)
+#define OMAP3_HAS_IO_WAKEUP BIT(6)
+#define OMAP3_HAS_SDRC BIT(7)
+#define OMAP3_HAS_IO_CHAIN_CTRL BIT(8)
+#define OMAP4_HAS_PERF_SILICON BIT(9)
+
+
+#define OMAP3_HAS_FEATURE(feat,flag) \
+static inline unsigned int omap3_has_ ##feat(void) \
+{ \
+ return omap_features & OMAP3_HAS_ ##flag; \
+} \
+
+OMAP3_HAS_FEATURE(l2cache, L2CACHE)
+OMAP3_HAS_FEATURE(sgx, SGX)
+OMAP3_HAS_FEATURE(iva, IVA)
+OMAP3_HAS_FEATURE(neon, NEON)
+OMAP3_HAS_FEATURE(isp, ISP)
+OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK)
+OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP)
+OMAP3_HAS_FEATURE(sdrc, SDRC)
+OMAP3_HAS_FEATURE(io_chain_ctrl, IO_CHAIN_CTRL)
+
+/*
+ * Runtime detection of OMAP4 features
+ */
+#define OMAP4_HAS_FEATURE(feat, flag) \
+static inline unsigned int omap4_has_ ##feat(void) \
+{ \
+ return omap_features & OMAP4_HAS_ ##flag; \
+} \
+
+OMAP4_HAS_FEATURE(perf_silicon, PERF_SILICON)
+
+#endif /* __ASSEMBLY__ */
+
projects / cascardo / linux.git / blobdiff