/* * 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 * * Added OMAP4 specific defines - Santosh Shilimkar * * 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 #include /* * 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); /* * Define CPU revision bits * * Verbose meaning of the revision bits may be different for a silicon * family. This difference can be handled separately. */ #define OMAP_REVBITS_00 0x00 #define OMAP_REVBITS_10 0x10 #define OMAP_REVBITS_20 0x20 #define OMAP_REVBITS_30 0x30 #define OMAP_REVBITS_40 0x40 /* * Get the CPU revision for OMAP devices */ #define GET_OMAP_REVISION() ((omap_rev() >> 8) & 0xff) /* * 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_omap3503() 0 #define cpu_is_omap3515() 0 #define cpu_is_omap3525() 0 #define cpu_is_omap3530() 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 # undef cpu_is_omap3503 # undef cpu_is_omap3515 # undef cpu_is_omap3525 # undef cpu_is_omap3530 # define cpu_is_omap3430() is_omap3430() # define cpu_is_omap3503() (cpu_is_omap3430() && \ (!omap3_has_iva()) && \ (!omap3_has_sgx())) # define cpu_is_omap3515() (cpu_is_omap3430() && \ (omap3_has_iva()) && \ (!omap3_has_sgx())) # define cpu_is_omap3525() (cpu_is_omap3430() && \ (omap3_has_sgx()) && \ (!omap3_has_iva())) # define cpu_is_omap3530() (cpu_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 OMAP35XX_CLASS 0x35000034 #define OMAP3503_REV(v) (OMAP35XX_CLASS | (0x3503 << 16) | (v << 12)) #define OMAP3515_REV(v) (OMAP35XX_CLASS | (0x3515 << 16) | (v << 12)) #define OMAP3525_REV(v) (OMAP35XX_CLASS | (0x3525 << 16) | (v << 12)) #define OMAP3530_REV(v) (OMAP35XX_CLASS | (0x3530 << 16) | (v << 12)) #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); /* * Runtime detection of OMAP3 features */ extern u32 omap3_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_FEATURE(feat,flag) \ static inline unsigned int omap3_has_ ##feat(void) \ { \ return (omap3_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) #endif