| /* |
| * 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 omap2_cpu_rev() ((system_rev >> 8) & 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 |
| #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, 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 |
| */ |
| #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; \ |
| } |
| |
| #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_SUBCLASS(242x, 0x242) |
| IS_OMAP_SUBCLASS(243x, 0x243) |
| |
| #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 |
| |
| #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 |
| # if defined(CONFIG_ARCH_OMAP24XX) |
| # undef cpu_is_omap24xx |
| # undef cpu_is_omap242x |
| # undef cpu_is_omap243x |
| # define cpu_is_omap24xx() 1 |
| # define cpu_is_omap242x() is_omap242x() |
| # define cpu_is_omap243x() is_omap243x() |
| # 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 |
| */ |
| #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) |
| |
| #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 |
| |
| #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 |
| |
| /* 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() |
| |
| #endif |
