cpu.h
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上传日期:2009-04-28
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- /*
- * 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_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_OMAP1510
- # 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
- #ifdef CONFIG_ARCH_OMAP24XX
- # if (defined(OMAP_NAME) || defined(MULTI_OMAP1))
- # error "OMAP1 and OMAP2 can't be selected at the same time"
- # else
- # undef MULTI_OMAP2
- # define OMAP_NAME omap24xx
- # 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 and OMAP5910
- * cpu_is_omap16xx(): True for OMAP1610, OMAP5912 and OMAP1710
- * cpu_is_omap24xx(): True for OMAP2420
- */
- #define GET_OMAP_CLASS (system_rev & 0xff)
- #define IS_OMAP_CLASS(class, id)
- static inline int is_omap ##class (void)
- {
- return (GET_OMAP_CLASS == (id)) ? 1 : 0;
- }
- IS_OMAP_CLASS(7xx, 0x07)
- IS_OMAP_CLASS(15xx, 0x15)
- IS_OMAP_CLASS(16xx, 0x16)
- IS_OMAP_CLASS(24xx, 0x24)
- #define cpu_is_omap7xx() 0
- #define cpu_is_omap15xx() 0
- #define cpu_is_omap16xx() 0
- #define cpu_is_omap24xx() 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_OMAP1510)
- # 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_OMAP1510)
- # 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
- # if defined(CONFIG_ARCH_OMAP24XX)
- # undef cpu_is_omap24xx
- # define cpu_is_omap24xx() 1
- # endif
- #endif
- /*
- * Macros to detect individual cpu types.
- * These are only rarely needed.
- * 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
- */
- #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(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)
- #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
- #if defined(MULTI_OMAP1)
- # if defined(CONFIG_ARCH_OMAP730)
- # undef cpu_is_omap730
- # define cpu_is_omap730() is_omap730()
- # endif
- # if defined(CONFIG_ARCH_OMAP1510)
- # undef cpu_is_omap1510
- # define cpu_is_omap1510() is_omap1510()
- # endif
- #else
- # if defined(CONFIG_ARCH_OMAP730)
- # undef cpu_is_omap730
- # define cpu_is_omap730() 1
- # endif
- # if defined(CONFIG_ARCH_OMAP1510)
- # undef cpu_is_omap1510
- # define cpu_is_omap1510() 1
- # endif
- #endif
- /*
- * Whether we have MULTI_OMAP1 or not, we still need to distinguish
- * between 1611B/5912 and 1710.
- */
- #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_OMAP2420)
- # undef cpu_is_omap2420
- # define cpu_is_omap2420() 1
- #endif
- #endif