/* * linux/include/asm-arm/arch-omap/cpu.h * * OMAP cpu type detection * * Copyright (C) 2004 Nokia Corporation * * Written by Tony Lindgren * * 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 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 /* * 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) #endif #endif