ia64/linux-2.6.18-xen.hg

view include/asm-arm/arch-omap/cpu.h @ 452:c7ed6fe5dca0

kexec: dont initialise regions in reserve_memory()

There is no need to initialise efi_memmap_res and boot_param_res in
reserve_memory() for the initial xen domain as it is done in
machine_kexec_setup_resources() using values from the kexec hypercall.

Signed-off-by: Simon Horman <horms@verge.net.au>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Feb 28 10:55:18 2008 +0000 (2008-02-28)
parents 831230e53067
children
line source
1 /*
2 * linux/include/asm-arm/arch-omap/cpu.h
3 *
4 * OMAP cpu type detection
5 *
6 * Copyright (C) 2004 Nokia Corporation
7 *
8 * Written by Tony Lindgren <tony.lindgren@nokia.com>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 *
24 */
26 #ifndef __ASM_ARCH_OMAP_CPU_H
27 #define __ASM_ARCH_OMAP_CPU_H
29 extern unsigned int system_rev;
31 #define omap2_cpu_rev() ((system_rev >> 8) & 0x0f)
33 /*
34 * Test if multicore OMAP support is needed
35 */
36 #undef MULTI_OMAP1
37 #undef MULTI_OMAP2
38 #undef OMAP_NAME
40 #ifdef CONFIG_ARCH_OMAP730
41 # ifdef OMAP_NAME
42 # undef MULTI_OMAP1
43 # define MULTI_OMAP1
44 # else
45 # define OMAP_NAME omap730
46 # endif
47 #endif
48 #ifdef CONFIG_ARCH_OMAP15XX
49 # ifdef OMAP_NAME
50 # undef MULTI_OMAP1
51 # define MULTI_OMAP1
52 # else
53 # define OMAP_NAME omap1510
54 # endif
55 #endif
56 #ifdef CONFIG_ARCH_OMAP16XX
57 # ifdef OMAP_NAME
58 # undef MULTI_OMAP1
59 # define MULTI_OMAP1
60 # else
61 # define OMAP_NAME omap16xx
62 # endif
63 #endif
64 #ifdef CONFIG_ARCH_OMAP24XX
65 # if (defined(OMAP_NAME) || defined(MULTI_OMAP1))
66 # error "OMAP1 and OMAP2 can't be selected at the same time"
67 # else
68 # undef MULTI_OMAP2
69 # define OMAP_NAME omap24xx
70 # endif
71 #endif
73 /*
74 * Macros to group OMAP into cpu classes.
75 * These can be used in most places.
76 * cpu_is_omap7xx(): True for OMAP730
77 * cpu_is_omap15xx(): True for OMAP1510, OMAP5910 and OMAP310
78 * cpu_is_omap16xx(): True for OMAP1610, OMAP5912 and OMAP1710
79 * cpu_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
80 * cpu_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423
81 * cpu_is_omap243x(): True for OMAP2430
82 */
83 #define GET_OMAP_CLASS (system_rev & 0xff)
85 #define IS_OMAP_CLASS(class, id) \
86 static inline int is_omap ##class (void) \
87 { \
88 return (GET_OMAP_CLASS == (id)) ? 1 : 0; \
89 }
91 #define GET_OMAP_SUBCLASS ((system_rev >> 20) & 0x0fff)
93 #define IS_OMAP_SUBCLASS(subclass, id) \
94 static inline int is_omap ##subclass (void) \
95 { \
96 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
97 }
99 IS_OMAP_CLASS(7xx, 0x07)
100 IS_OMAP_CLASS(15xx, 0x15)
101 IS_OMAP_CLASS(16xx, 0x16)
102 IS_OMAP_CLASS(24xx, 0x24)
104 IS_OMAP_SUBCLASS(242x, 0x242)
105 IS_OMAP_SUBCLASS(243x, 0x243)
107 #define cpu_is_omap7xx() 0
108 #define cpu_is_omap15xx() 0
109 #define cpu_is_omap16xx() 0
110 #define cpu_is_omap24xx() 0
111 #define cpu_is_omap242x() 0
112 #define cpu_is_omap243x() 0
114 #if defined(MULTI_OMAP1)
115 # if defined(CONFIG_ARCH_OMAP730)
116 # undef cpu_is_omap7xx
117 # define cpu_is_omap7xx() is_omap7xx()
118 # endif
119 # if defined(CONFIG_ARCH_OMAP15XX)
120 # undef cpu_is_omap15xx
121 # define cpu_is_omap15xx() is_omap15xx()
122 # endif
123 # if defined(CONFIG_ARCH_OMAP16XX)
124 # undef cpu_is_omap16xx
125 # define cpu_is_omap16xx() is_omap16xx()
126 # endif
127 #else
128 # if defined(CONFIG_ARCH_OMAP730)
129 # undef cpu_is_omap7xx
130 # define cpu_is_omap7xx() 1
131 # endif
132 # if defined(CONFIG_ARCH_OMAP15XX)
133 # undef cpu_is_omap15xx
134 # define cpu_is_omap15xx() 1
135 # endif
136 # if defined(CONFIG_ARCH_OMAP16XX)
137 # undef cpu_is_omap16xx
138 # define cpu_is_omap16xx() 1
139 # endif
140 # if defined(CONFIG_ARCH_OMAP24XX)
141 # undef cpu_is_omap24xx
142 # undef cpu_is_omap242x
143 # undef cpu_is_omap243x
144 # define cpu_is_omap24xx() 1
145 # define cpu_is_omap242x() is_omap242x()
146 # define cpu_is_omap243x() is_omap243x()
147 # endif
148 #endif
150 /*
151 * Macros to detect individual cpu types.
152 * These are only rarely needed.
153 * cpu_is_omap330(): True for OMAP330
154 * cpu_is_omap730(): True for OMAP730
155 * cpu_is_omap1510(): True for OMAP1510
156 * cpu_is_omap1610(): True for OMAP1610
157 * cpu_is_omap1611(): True for OMAP1611
158 * cpu_is_omap5912(): True for OMAP5912
159 * cpu_is_omap1621(): True for OMAP1621
160 * cpu_is_omap1710(): True for OMAP1710
161 * cpu_is_omap2420(): True for OMAP2420
162 * cpu_is_omap2422(): True for OMAP2422
163 * cpu_is_omap2423(): True for OMAP2423
164 * cpu_is_omap2430(): True for OMAP2430
165 */
166 #define GET_OMAP_TYPE ((system_rev >> 16) & 0xffff)
168 #define IS_OMAP_TYPE(type, id) \
169 static inline int is_omap ##type (void) \
170 { \
171 return (GET_OMAP_TYPE == (id)) ? 1 : 0; \
172 }
174 IS_OMAP_TYPE(310, 0x0310)
175 IS_OMAP_TYPE(730, 0x0730)
176 IS_OMAP_TYPE(1510, 0x1510)
177 IS_OMAP_TYPE(1610, 0x1610)
178 IS_OMAP_TYPE(1611, 0x1611)
179 IS_OMAP_TYPE(5912, 0x1611)
180 IS_OMAP_TYPE(1621, 0x1621)
181 IS_OMAP_TYPE(1710, 0x1710)
182 IS_OMAP_TYPE(2420, 0x2420)
183 IS_OMAP_TYPE(2422, 0x2422)
184 IS_OMAP_TYPE(2423, 0x2423)
185 IS_OMAP_TYPE(2430, 0x2430)
187 #define cpu_is_omap310() 0
188 #define cpu_is_omap730() 0
189 #define cpu_is_omap1510() 0
190 #define cpu_is_omap1610() 0
191 #define cpu_is_omap5912() 0
192 #define cpu_is_omap1611() 0
193 #define cpu_is_omap1621() 0
194 #define cpu_is_omap1710() 0
195 #define cpu_is_omap2420() 0
196 #define cpu_is_omap2422() 0
197 #define cpu_is_omap2423() 0
198 #define cpu_is_omap2430() 0
200 #if defined(MULTI_OMAP1)
201 # if defined(CONFIG_ARCH_OMAP730)
202 # undef cpu_is_omap730
203 # define cpu_is_omap730() is_omap730()
204 # endif
205 #else
206 # if defined(CONFIG_ARCH_OMAP730)
207 # undef cpu_is_omap730
208 # define cpu_is_omap730() 1
209 # endif
210 #endif
212 /*
213 * Whether we have MULTI_OMAP1 or not, we still need to distinguish
214 * between 330 vs. 1510 and 1611B/5912 vs. 1710.
215 */
216 #if defined(CONFIG_ARCH_OMAP15XX)
217 # undef cpu_is_omap310
218 # undef cpu_is_omap1510
219 # define cpu_is_omap310() is_omap310()
220 # define cpu_is_omap1510() is_omap1510()
221 #endif
223 #if defined(CONFIG_ARCH_OMAP16XX)
224 # undef cpu_is_omap1610
225 # undef cpu_is_omap1611
226 # undef cpu_is_omap5912
227 # undef cpu_is_omap1621
228 # undef cpu_is_omap1710
229 # define cpu_is_omap1610() is_omap1610()
230 # define cpu_is_omap1611() is_omap1611()
231 # define cpu_is_omap5912() is_omap5912()
232 # define cpu_is_omap1621() is_omap1621()
233 # define cpu_is_omap1710() is_omap1710()
234 #endif
236 #if defined(CONFIG_ARCH_OMAP24XX)
237 # undef cpu_is_omap2420
238 # undef cpu_is_omap2422
239 # undef cpu_is_omap2423
240 # undef cpu_is_omap2430
241 # define cpu_is_omap2420() is_omap2420()
242 # define cpu_is_omap2422() is_omap2422()
243 # define cpu_is_omap2423() is_omap2423()
244 # define cpu_is_omap2430() is_omap2430()
245 #endif
247 /* Macros to detect if we have OMAP1 or OMAP2 */
248 #define cpu_class_is_omap1() (cpu_is_omap730() || cpu_is_omap15xx() || \
249 cpu_is_omap16xx())
250 #define cpu_class_is_omap2() cpu_is_omap24xx()
252 #endif