2 * arch/arm/plat-omap/include/mach/common.h
4 * Header for code common to all OMAP machines.
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2 of the License, or (at your
9 * option) any later version.
11 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
12 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
14 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
15 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
16 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
17 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
18 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
19 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
20 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
22 * You should have received a copy of the GNU General Public License along
23 * with this program; if not, write to the Free Software Foundation, Inc.,
24 * 675 Mass Ave, Cambridge, MA 02139, USA.
27 #ifndef __ARCH_ARM_MACH_OMAP_COMMON_H
28 #define __ARCH_ARM_MACH_OMAP_COMMON_H
34 extern void omap_map_common_io(void);
35 extern struct sys_timer omap_timer;
37 extern void omap_reserve(void);
40 * IO bases for various OMAP processors
41 * Except the tap base, rest all the io bases
42 * listed are physical addresses.
45 u32 class; /* OMAP class to detect */
46 void __iomem *tap; /* Control module ID code */
47 unsigned long sdrc; /* SDRAM Controller */
48 unsigned long sms; /* SDRAM Memory Scheduler */
49 unsigned long ctrl; /* System Control Module */
50 unsigned long prm; /* Power and Reset Management */
51 unsigned long cm; /* Clock Management */
53 unsigned long uart1_phys;
54 unsigned long uart2_phys;
55 unsigned long uart3_phys;
56 unsigned long uart4_phys;
59 void omap2_set_globals_242x(void);
60 void omap2_set_globals_243x(void);
61 void omap2_set_globals_3xxx(void);
62 void omap2_set_globals_443x(void);
64 /* These get called from omap2_set_globals_xxxx(), do not call these */
65 void omap2_set_globals_tap(struct omap_globals *);
66 void omap2_set_globals_sdrc(struct omap_globals *);
67 void omap2_set_globals_control(struct omap_globals *);
68 void omap2_set_globals_prcm(struct omap_globals *);
69 void omap2_set_globals_uart(struct omap_globals *);
71 void omap3_map_io(void);
74 * omap_test_timeout - busy-loop, testing a condition
75 * @cond: condition to test until it evaluates to true
76 * @timeout: maximum number of microseconds in the timeout
77 * @index: loop index (integer)
79 * Loop waiting for @cond to become true or until at least @timeout
80 * microseconds have passed. To use, define some integer @index in the
81 * calling code. After running, if @index == @timeout, then the loop has
84 #define omap_test_timeout(cond, timeout, index) \
86 for (index = 0; index < timeout; index++) { \
93 extern struct device *omap2_get_mpuss_device(void);
94 extern struct device *omap2_get_dsp_device(void);
95 extern struct device *omap2_get_l3_device(void);
97 #endif /* __ARCH_ARM_MACH_OMAP_COMMON_H */