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TOMOYO Linux Cross Reference
Linux/arch/arm/mach-omap1/include/mach/soc.h

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  1 /*
  2  * OMAP cpu type detection
  3  *
  4  * Copyright (C) 2004, 2008 Nokia Corporation
  5  *
  6  * Copyright (C) 2009-11 Texas Instruments.
  7  *
  8  * Written by Tony Lindgren <tony.lindgren@nokia.com>
  9  *
 10  * Added OMAP4/5 specific defines - Santosh Shilimkar<santosh.shilimkar@ti.com>
 11  *
 12  * This program is free software; you can redistribute it and/or modify
 13  * it under the terms of the GNU General Public License as published by
 14  * the Free Software Foundation; either version 2 of the License, or
 15  * (at your option) any later version.
 16  *
 17  * This program is distributed in the hope that it will be useful,
 18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 20  * GNU General Public License for more details.
 21  *
 22  * You should have received a copy of the GNU General Public License
 23  * along with this program; if not, write to the Free Software
 24  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 25  *
 26  */
 27 
 28 #ifndef __ASM_ARCH_OMAP_CPU_H
 29 #define __ASM_ARCH_OMAP_CPU_H
 30 
 31 #include <asm/irq.h>
 32 #include <mach/hardware.h>
 33 #include <mach/irqs.h>
 34 
 35 #ifndef __ASSEMBLY__
 36 
 37 #include <linux/bitops.h>
 38 
 39 /*
 40  * Test if multicore OMAP support is needed
 41  */
 42 #undef MULTI_OMAP1
 43 #undef OMAP_NAME
 44 
 45 #ifdef CONFIG_ARCH_OMAP730
 46 # ifdef OMAP_NAME
 47 #  undef  MULTI_OMAP1
 48 #  define MULTI_OMAP1
 49 # else
 50 #  define OMAP_NAME omap730
 51 # endif
 52 #endif
 53 #ifdef CONFIG_ARCH_OMAP850
 54 # ifdef OMAP_NAME
 55 #  undef  MULTI_OMAP1
 56 #  define MULTI_OMAP1
 57 # else
 58 #  define OMAP_NAME omap850
 59 # endif
 60 #endif
 61 #ifdef CONFIG_ARCH_OMAP15XX
 62 # ifdef OMAP_NAME
 63 #  undef  MULTI_OMAP1
 64 #  define MULTI_OMAP1
 65 # else
 66 #  define OMAP_NAME omap1510
 67 # endif
 68 #endif
 69 #ifdef CONFIG_ARCH_OMAP16XX
 70 # ifdef OMAP_NAME
 71 #  undef  MULTI_OMAP1
 72 #  define MULTI_OMAP1
 73 # else
 74 #  define OMAP_NAME omap16xx
 75 # endif
 76 #endif
 77 
 78 /*
 79  * omap_rev bits:
 80  * CPU id bits  (0730, 1510, 1710, 2422...)     [31:16]
 81  * CPU revision (See _REV_ defined in cpu.h)    [15:08]
 82  * CPU class bits (15xx, 16xx, 24xx, 34xx...)   [07:00]
 83  */
 84 unsigned int omap_rev(void);
 85 
 86 /*
 87  * Get the CPU revision for OMAP devices
 88  */
 89 #define GET_OMAP_REVISION()     ((omap_rev() >> 8) & 0xff)
 90 
 91 /*
 92  * Macros to group OMAP into cpu classes.
 93  * These can be used in most places.
 94  * cpu_is_omap7xx():    True for OMAP730, OMAP850
 95  * cpu_is_omap15xx():   True for OMAP1510, OMAP5910 and OMAP310
 96  * cpu_is_omap16xx():   True for OMAP1610, OMAP5912 and OMAP1710
 97  */
 98 #define GET_OMAP_CLASS  (omap_rev() & 0xff)
 99 
100 #define IS_OMAP_CLASS(class, id)                        \
101 static inline int is_omap ##class (void)                \
102 {                                                       \
103         return (GET_OMAP_CLASS == (id)) ? 1 : 0;        \
104 }
105 
106 #define GET_OMAP_SUBCLASS       ((omap_rev() >> 20) & 0x0fff)
107 
108 #define IS_OMAP_SUBCLASS(subclass, id)                  \
109 static inline int is_omap ##subclass (void)             \
110 {                                                       \
111         return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;     \
112 }
113 
114 IS_OMAP_CLASS(7xx, 0x07)
115 IS_OMAP_CLASS(15xx, 0x15)
116 IS_OMAP_CLASS(16xx, 0x16)
117 
118 #define cpu_is_omap7xx()                0
119 #define cpu_is_omap15xx()               0
120 #define cpu_is_omap16xx()               0
121 
122 #if defined(MULTI_OMAP1)
123 # if defined(CONFIG_ARCH_OMAP730)
124 #  undef  cpu_is_omap7xx
125 #  define cpu_is_omap7xx()              is_omap7xx()
126 # endif
127 # if defined(CONFIG_ARCH_OMAP850)
128 #  undef  cpu_is_omap7xx
129 #  define cpu_is_omap7xx()              is_omap7xx()
130 # endif
131 # if defined(CONFIG_ARCH_OMAP15XX)
132 #  undef  cpu_is_omap15xx
133 #  define cpu_is_omap15xx()             is_omap15xx()
134 # endif
135 # if defined(CONFIG_ARCH_OMAP16XX)
136 #  undef  cpu_is_omap16xx
137 #  define cpu_is_omap16xx()             is_omap16xx()
138 # endif
139 #else
140 # if defined(CONFIG_ARCH_OMAP730)
141 #  undef  cpu_is_omap7xx
142 #  define cpu_is_omap7xx()              1
143 # endif
144 # if defined(CONFIG_ARCH_OMAP850)
145 #  undef  cpu_is_omap7xx
146 #  define cpu_is_omap7xx()              1
147 # endif
148 # if defined(CONFIG_ARCH_OMAP15XX)
149 #  undef  cpu_is_omap15xx
150 #  define cpu_is_omap15xx()             1
151 # endif
152 # if defined(CONFIG_ARCH_OMAP16XX)
153 #  undef  cpu_is_omap16xx
154 #  define cpu_is_omap16xx()             1
155 # endif
156 #endif
157 
158 /*
159  * Macros to detect individual cpu types.
160  * These are only rarely needed.
161  * cpu_is_omap310():    True for OMAP310
162  * cpu_is_omap1510():   True for OMAP1510
163  * cpu_is_omap1610():   True for OMAP1610
164  * cpu_is_omap1611():   True for OMAP1611
165  * cpu_is_omap5912():   True for OMAP5912
166  * cpu_is_omap1621():   True for OMAP1621
167  * cpu_is_omap1710():   True for OMAP1710
168  */
169 #define GET_OMAP_TYPE   ((omap_rev() >> 16) & 0xffff)
170 
171 #define IS_OMAP_TYPE(type, id)                          \
172 static inline int is_omap ##type (void)                 \
173 {                                                       \
174         return (GET_OMAP_TYPE == (id)) ? 1 : 0;         \
175 }
176 
177 IS_OMAP_TYPE(310, 0x0310)
178 IS_OMAP_TYPE(1510, 0x1510)
179 IS_OMAP_TYPE(1610, 0x1610)
180 IS_OMAP_TYPE(1611, 0x1611)
181 IS_OMAP_TYPE(5912, 0x1611)
182 IS_OMAP_TYPE(1621, 0x1621)
183 IS_OMAP_TYPE(1710, 0x1710)
184 
185 #define cpu_is_omap310()                0
186 #define cpu_is_omap1510()               0
187 #define cpu_is_omap1610()               0
188 #define cpu_is_omap5912()               0
189 #define cpu_is_omap1611()               0
190 #define cpu_is_omap1621()               0
191 #define cpu_is_omap1710()               0
192 
193 /* These are needed to compile common code */
194 #ifdef CONFIG_ARCH_OMAP1
195 #define cpu_is_omap242x()               0
196 #define cpu_is_omap2430()               0
197 #define cpu_is_omap243x()               0
198 #define cpu_is_omap24xx()               0
199 #define cpu_is_omap34xx()               0
200 #define cpu_is_omap44xx()               0
201 #define soc_is_omap54xx()               0
202 #define soc_is_dra7xx()                 0
203 #define soc_is_am33xx()                 0
204 #define cpu_class_is_omap1()            1
205 #define cpu_class_is_omap2()            0
206 #endif
207 
208 /*
209  * Whether we have MULTI_OMAP1 or not, we still need to distinguish
210  * between 310 vs. 1510 and 1611B/5912 vs. 1710.
211  */
212 
213 #if defined(CONFIG_ARCH_OMAP15XX)
214 # undef  cpu_is_omap310
215 # undef  cpu_is_omap1510
216 # define cpu_is_omap310()               is_omap310()
217 # define cpu_is_omap1510()              is_omap1510()
218 #endif
219 
220 #if defined(CONFIG_ARCH_OMAP16XX)
221 # undef  cpu_is_omap1610
222 # undef  cpu_is_omap1611
223 # undef  cpu_is_omap5912
224 # undef  cpu_is_omap1621
225 # undef  cpu_is_omap1710
226 # define cpu_is_omap1610()              is_omap1610()
227 # define cpu_is_omap1611()              is_omap1611()
228 # define cpu_is_omap5912()              is_omap5912()
229 # define cpu_is_omap1621()              is_omap1621()
230 # define cpu_is_omap1710()              is_omap1710()
231 #endif
232 
233 #endif  /* __ASSEMBLY__ */
234 #endif
235 

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