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Diffstat (limited to 'include/asm-arm/arch-omap/cpu.h')
| -rw-r--r-- | include/asm-arm/arch-omap/cpu.h | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/include/asm-arm/arch-omap/cpu.h b/include/asm-arm/arch-omap/cpu.h new file mode 100644 index 000000000000..e8786713ee5c --- /dev/null +++ b/include/asm-arm/arch-omap/cpu.h @@ -0,0 +1,183 @@ +/* + * linux/include/asm-arm/arch-omap/cpu.h + * + * OMAP cpu type detection + * + * Copyright (C) 2004 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 + +extern unsigned int system_rev; + +#define OMAP_DIE_ID_0 0xfffe1800 +#define OMAP_DIE_ID_1 0xfffe1804 +#define OMAP_PRODUCTION_ID_0 0xfffe2000 +#define OMAP_PRODUCTION_ID_1 0xfffe2004 +#define OMAP32_ID_0 0xfffed400 +#define OMAP32_ID_1 0xfffed404 + +/* + * Test if multicore OMAP support is needed + */ +#undef MULTI_OMAP +#undef OMAP_NAME + +#ifdef CONFIG_ARCH_OMAP730 +# ifdef OMAP_NAME +# undef MULTI_OMAP +# define MULTI_OMAP +# else +# define OMAP_NAME omap730 +# endif +#endif +#ifdef CONFIG_ARCH_OMAP1510 +# ifdef OMAP_NAME +# undef MULTI_OMAP +# define MULTI_OMAP +# else +# define OMAP_NAME omap1510 +# endif +#endif +#ifdef CONFIG_ARCH_OMAP16XX +# ifdef OMAP_NAME +# undef MULTI_OMAP +# define MULTI_OMAP +# else +# define OMAP_NAME omap1610 +# endif +#endif +#ifdef CONFIG_ARCH_OMAP16XX +# ifdef OMAP_NAME +# undef MULTI_OMAP +# define MULTI_OMAP +# else +# define OMAP_NAME omap1710 +# endif +#endif + +/* + * Generate various OMAP cpu specific macros, and cpu class + * specific macros + */ +#define GET_OMAP_TYPE ((system_rev >> 24) & 0xff) +#define GET_OMAP_CLASS (system_rev & 0xff) + +#define IS_OMAP_TYPE(type, id) \ +static inline int is_omap ##type (void) \ +{ \ + return (GET_OMAP_TYPE == (id)) ? 1 : 0; \ +} + +#define IS_OMAP_CLASS(class, id) \ +static inline int is_omap ##class (void) \ +{ \ + return (GET_OMAP_CLASS == (id)) ? 1 : 0; \ +} + +IS_OMAP_TYPE(730, 0x07) +IS_OMAP_TYPE(1510, 0x15) +IS_OMAP_TYPE(1610, 0x16) +IS_OMAP_TYPE(5912, 0x16) +IS_OMAP_TYPE(1710, 0x17) +IS_OMAP_TYPE(2420, 0x24) + +IS_OMAP_CLASS(7xx, 0x07) +IS_OMAP_CLASS(15xx, 0x15) +IS_OMAP_CLASS(16xx, 0x16) +IS_OMAP_CLASS(24xx, 0x24) + +/* + * Macros to group OMAP types into cpu classes. + * These can be used in most places. + * cpu_is_omap15xx(): True for 1510 and 5910 + * cpu_is_omap16xx(): True for 1610, 5912 and 1710 + */ +#if defined(MULTI_OMAP) +# define cpu_is_omap7xx() is_omap7xx() +# define cpu_is_omap15xx() is_omap15xx() +# if !(defined(CONFIG_ARCH_OMAP1510) || defined(CONFIG_ARCH_OMAP730)) +# define cpu_is_omap16xx() 1 +# else +# define cpu_is_omap16xx() is_omap16xx() +# endif +#else +# if defined(CONFIG_ARCH_OMAP730) +# define cpu_is_omap7xx() 1 +# else +# define cpu_is_omap7xx() 0 +# endif +# if defined(CONFIG_ARCH_OMAP1510) +# define cpu_is_omap15xx() 1 +# else +# define cpu_is_omap15xx() 0 +# endif +# if defined(CONFIG_ARCH_OMAP16XX) +# define cpu_is_omap16xx() 1 +# else +# define cpu_is_omap16xx() 0 +# endif +#endif + +#if defined(MULTI_OMAP) +# define cpu_is_omap730() is_omap730() +# define cpu_is_omap1510() is_omap1510() +# define cpu_is_omap1610() is_omap1610() +# define cpu_is_omap5912() is_omap5912() +# define cpu_is_omap1710() is_omap1710() +#else +# if defined(CONFIG_ARCH_OMAP730) +# define cpu_is_omap730() 1 +# else +# define cpu_is_omap730() 0 +# endif +# if defined(CONFIG_ARCH_OMAP1510) +# define cpu_is_omap1510() 1 +# else +# define cpu_is_omap1510() 0 +# endif +# if defined(CONFIG_ARCH_OMAP16XX) +# define cpu_is_omap1610() 1 +# else +# define cpu_is_omap1610() 0 +# endif +# if defined(CONFIG_ARCH_OMAP16XX) +# define cpu_is_omap5912() 1 +# else +# define cpu_is_omap5912() 0 +# endif +# if defined(CONFIG_ARCH_OMAP16XX) +# define cpu_is_omap1610() is_omap1610() +# define cpu_is_omap5912() is_omap5912() +# define cpu_is_omap1710() is_omap1710() +# else +# define cpu_is_omap1610() 0 +# define cpu_is_omap5912() 0 +# define cpu_is_omap1710() 0 +# endif +# if defined(CONFIG_ARCH_OMAP2420) +# define cpu_is_omap2420() 1 +# else +# define cpu_is_omap2420() 0 +# endif +#endif + +#endif |