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											2012-10-30 15:30:44 -07:00
										 |  |  | /*
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							|  |  |  |  * OMAP cpu type detection | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * Copyright (C) 2004, 2008 Nokia Corporation | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * Copyright (C) 2009-11 Texas Instruments. | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * Written by Tony Lindgren <tony.lindgren@nokia.com> | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * Added OMAP4/5 specific defines - Santosh Shilimkar<santosh.shilimkar@ti.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 | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  */ | 
					
						
							|  |  |  | 
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							|  |  |  | #ifndef __ASM_ARCH_OMAP_CPU_H
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							|  |  |  | #define __ASM_ARCH_OMAP_CPU_H
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							|  |  |  | 
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							|  |  |  | #ifndef __ASSEMBLY__
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							|  |  |  | 
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							|  |  |  | #include <linux/bitops.h>
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							|  |  |  | 
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							|  |  |  | /*
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							|  |  |  |  * Test if multicore OMAP support is needed | 
					
						
							|  |  |  |  */ | 
					
						
							|  |  |  | #undef MULTI_OMAP1
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							|  |  |  | #undef OMAP_NAME
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							|  |  |  | 
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							|  |  |  | #ifdef CONFIG_ARCH_OMAP730
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							|  |  |  | # ifdef OMAP_NAME
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							|  |  |  | #  undef  MULTI_OMAP1
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							|  |  |  | #  define MULTI_OMAP1
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							|  |  |  | # else
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							|  |  |  | #  define OMAP_NAME omap730
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							|  |  |  | # endif
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							|  |  |  | #endif
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							|  |  |  | #ifdef CONFIG_ARCH_OMAP850
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							|  |  |  | # ifdef OMAP_NAME
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							|  |  |  | #  undef  MULTI_OMAP1
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							|  |  |  | #  define MULTI_OMAP1
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							|  |  |  | # else
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							|  |  |  | #  define OMAP_NAME omap850
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							|  |  |  | # endif
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							|  |  |  | #endif
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							|  |  |  | #ifdef CONFIG_ARCH_OMAP15XX
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							|  |  |  | # ifdef OMAP_NAME
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							|  |  |  | #  undef  MULTI_OMAP1
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							|  |  |  | #  define MULTI_OMAP1
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							|  |  |  | # else
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							|  |  |  | #  define OMAP_NAME omap1510
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							|  |  |  | # endif
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							|  |  |  | #endif
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							|  |  |  | #ifdef CONFIG_ARCH_OMAP16XX
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							|  |  |  | # ifdef OMAP_NAME
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							|  |  |  | #  undef  MULTI_OMAP1
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							|  |  |  | #  define MULTI_OMAP1
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							|  |  |  | # else
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							|  |  |  | #  define OMAP_NAME omap16xx
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							|  |  |  | # endif
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							|  |  |  | #endif
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							|  |  |  | 
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							|  |  |  | /*
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							|  |  |  |  * 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); | 
					
						
							|  |  |  | 
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							|  |  |  | /*
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							|  |  |  |  * Get the CPU revision for OMAP devices | 
					
						
							|  |  |  |  */ | 
					
						
							|  |  |  | #define GET_OMAP_REVISION()	((omap_rev() >> 8) & 0xff)
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							|  |  |  | 
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							|  |  |  | /*
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							|  |  |  |  * 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 | 
					
						
							|  |  |  |  */ | 
					
						
							|  |  |  | #define GET_OMAP_CLASS	(omap_rev() & 0xff)
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							|  |  |  | 
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							|  |  |  | #define IS_OMAP_CLASS(class, id)			\
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							|  |  |  | static inline int is_omap ##class (void)		\ | 
					
						
							|  |  |  | {							\ | 
					
						
							|  |  |  | 	return (GET_OMAP_CLASS == (id)) ? 1 : 0;	\ | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
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							|  |  |  | #define GET_OMAP_SUBCLASS	((omap_rev() >> 20) & 0x0fff)
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							|  |  |  | 
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							|  |  |  | #define IS_OMAP_SUBCLASS(subclass, id)			\
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							|  |  |  | static inline int is_omap ##subclass (void)		\ | 
					
						
							|  |  |  | {							\ | 
					
						
							|  |  |  | 	return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;	\ | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
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							|  |  |  | IS_OMAP_CLASS(7xx, 0x07) | 
					
						
							|  |  |  | IS_OMAP_CLASS(15xx, 0x15) | 
					
						
							|  |  |  | IS_OMAP_CLASS(16xx, 0x16) | 
					
						
							|  |  |  | 
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							|  |  |  | #define cpu_is_omap7xx()		0
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							|  |  |  | #define cpu_is_omap15xx()		0
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							|  |  |  | #define cpu_is_omap16xx()		0
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							|  |  |  | 
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							|  |  |  | #if defined(MULTI_OMAP1)
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							|  |  |  | # if defined(CONFIG_ARCH_OMAP730)
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							|  |  |  | #  undef  cpu_is_omap7xx
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							|  |  |  | #  define cpu_is_omap7xx()		is_omap7xx()
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							|  |  |  | # endif
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							|  |  |  | # if defined(CONFIG_ARCH_OMAP850)
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							|  |  |  | #  undef  cpu_is_omap7xx
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							|  |  |  | #  define cpu_is_omap7xx()		is_omap7xx()
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							|  |  |  | # endif
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							|  |  |  | # if defined(CONFIG_ARCH_OMAP15XX)
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							|  |  |  | #  undef  cpu_is_omap15xx
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							|  |  |  | #  define cpu_is_omap15xx()		is_omap15xx()
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							|  |  |  | # endif
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							|  |  |  | # if defined(CONFIG_ARCH_OMAP16XX)
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							|  |  |  | #  undef  cpu_is_omap16xx
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							|  |  |  | #  define cpu_is_omap16xx()		is_omap16xx()
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							|  |  |  | # endif
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							|  |  |  | #else
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							|  |  |  | # if defined(CONFIG_ARCH_OMAP730)
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							|  |  |  | #  undef  cpu_is_omap7xx
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							|  |  |  | #  define cpu_is_omap7xx()		1
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							|  |  |  | # endif
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							|  |  |  | # if defined(CONFIG_ARCH_OMAP850)
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							|  |  |  | #  undef  cpu_is_omap7xx
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							|  |  |  | #  define cpu_is_omap7xx()		1
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							|  |  |  | # endif
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							|  |  |  | # if defined(CONFIG_ARCH_OMAP15XX)
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							|  |  |  | #  undef  cpu_is_omap15xx
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							|  |  |  | #  define cpu_is_omap15xx()		1
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							|  |  |  | # endif
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							|  |  |  | # if defined(CONFIG_ARCH_OMAP16XX)
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							|  |  |  | #  undef  cpu_is_omap16xx
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							|  |  |  | #  define cpu_is_omap16xx()		1
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							|  |  |  | # endif
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							|  |  |  | #endif
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							|  |  |  | /*
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							|  |  |  |  * Macros to detect individual cpu types. | 
					
						
							|  |  |  |  * These are only rarely needed. | 
					
						
							|  |  |  |  * cpu_is_omap310():	True for OMAP310 | 
					
						
							|  |  |  |  * 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 | 
					
						
							|  |  |  |  */ | 
					
						
							|  |  |  | #define GET_OMAP_TYPE	((omap_rev() >> 16) & 0xffff)
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							|  |  |  | 
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							|  |  |  | #define IS_OMAP_TYPE(type, id)				\
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							|  |  |  | static inline int is_omap ##type (void)			\ | 
					
						
							|  |  |  | {							\ | 
					
						
							|  |  |  | 	return (GET_OMAP_TYPE == (id)) ? 1 : 0;		\ | 
					
						
							|  |  |  | } | 
					
						
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							|  |  |  | IS_OMAP_TYPE(310, 0x0310) | 
					
						
							|  |  |  | 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) | 
					
						
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							|  |  |  | #define cpu_is_omap310()		0
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							|  |  |  | #define cpu_is_omap1510()		0
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							|  |  |  | #define cpu_is_omap1610()		0
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							|  |  |  | #define cpu_is_omap5912()		0
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							|  |  |  | #define cpu_is_omap1611()		0
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							|  |  |  | #define cpu_is_omap1621()		0
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							|  |  |  | #define cpu_is_omap1710()		0
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							|  |  |  | /* These are needed to compile common code */ | 
					
						
							|  |  |  | #ifdef CONFIG_ARCH_OMAP1
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							|  |  |  | #define cpu_is_omap242x()		0
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							|  |  |  | #define cpu_is_omap2430()		0
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							|  |  |  | #define cpu_is_omap243x()		0
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							|  |  |  | #define cpu_is_omap24xx()		0
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							|  |  |  | #define cpu_is_omap34xx()		0
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							|  |  |  | #define cpu_is_omap44xx()		0
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							|  |  |  | #define soc_is_omap54xx()		0
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							| 
									
										
										
										
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										 |  |  | #define soc_is_dra7xx()			0
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										 |  |  | #define soc_is_am33xx()			0
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							|  |  |  | #define cpu_class_is_omap1()		1
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							|  |  |  | #define cpu_class_is_omap2()		0
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							|  |  |  | #endif
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							|  |  |  | /*
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							|  |  |  |  * Whether we have MULTI_OMAP1 or not, we still need to distinguish | 
					
						
							|  |  |  |  * between 310 vs. 1510 and 1611B/5912 vs. 1710. | 
					
						
							|  |  |  |  */ | 
					
						
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							|  |  |  | #if defined(CONFIG_ARCH_OMAP15XX)
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							|  |  |  | # undef  cpu_is_omap310
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							|  |  |  | # undef  cpu_is_omap1510
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							|  |  |  | # define cpu_is_omap310()		is_omap310()
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							|  |  |  | # define cpu_is_omap1510()		is_omap1510()
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							|  |  |  | #endif
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							|  |  |  | #if defined(CONFIG_ARCH_OMAP16XX)
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							|  |  |  | # undef  cpu_is_omap1610
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							|  |  |  | # undef  cpu_is_omap1611
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							|  |  |  | # undef  cpu_is_omap5912
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							|  |  |  | # undef  cpu_is_omap1621
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							|  |  |  | # undef  cpu_is_omap1710
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							|  |  |  | # define cpu_is_omap1610()		is_omap1610()
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							|  |  |  | # define cpu_is_omap1611()		is_omap1611()
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							|  |  |  | # define cpu_is_omap5912()		is_omap5912()
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							|  |  |  | # define cpu_is_omap1621()		is_omap1621()
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							|  |  |  | # define cpu_is_omap1710()		is_omap1710()
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							|  |  |  | #endif
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							|  |  |  | #endif	/* __ASSEMBLY__ */
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							|  |  |  | #endif
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