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
30 #include <linux/delay.h>
33 #include <plat/omap_hwmod.h>
37 extern void omap_map_common_io(void);
38 extern struct sys_timer omap1_timer
;
39 extern struct sys_timer omap2_timer
;
40 extern struct sys_timer omap3_timer
;
41 extern struct sys_timer omap3_secure_timer
;
42 extern struct sys_timer omap4_timer
;
43 extern bool omap_32k_timer_init(void);
44 extern int __init
omap_init_clocksource_32k(void);
45 extern unsigned long long notrace
omap_32k_sched_clock(void);
47 extern void omap_reserve(void);
49 void omap2420_init_early(void);
50 void omap2430_init_early(void);
51 void omap3430_init_early(void);
52 void omap35xx_init_early(void);
53 void omap3630_init_early(void);
54 void omap3_init_early(void); /* Do not use this one */
55 void am35xx_init_early(void);
56 void ti816x_init_early(void);
57 void omap4430_init_early(void);
59 extern int omap_dss_reset(struct omap_hwmod
*);
61 void omap_sram_init(void);
64 * IO bases for various OMAP processors
65 * Except the tap base, rest all the io bases
66 * listed are physical addresses.
69 u32
class; /* OMAP class to detect */
70 void __iomem
*tap
; /* Control module ID code */
71 void __iomem
*sdrc
; /* SDRAM Controller */
72 void __iomem
*sms
; /* SDRAM Memory Scheduler */
73 void __iomem
*ctrl
; /* System Control Module */
74 void __iomem
*ctrl_pad
; /* PAD Control Module */
75 void __iomem
*prm
; /* Power and Reset Management */
76 void __iomem
*cm
; /* Clock Management */
80 void omap2_set_globals_242x(void);
81 void omap2_set_globals_243x(void);
82 void omap2_set_globals_3xxx(void);
83 void omap2_set_globals_443x(void);
84 void omap2_set_globals_ti816x(void);
86 /* These get called from omap2_set_globals_xxxx(), do not call these */
87 void omap2_set_globals_tap(struct omap_globals
*);
88 void omap2_set_globals_sdrc(struct omap_globals
*);
89 void omap2_set_globals_control(struct omap_globals
*);
90 void omap2_set_globals_prcm(struct omap_globals
*);
92 void omap242x_map_io(void);
93 void omap243x_map_io(void);
94 void omap3_map_io(void);
95 void omap4_map_io(void);
99 * omap_test_timeout - busy-loop, testing a condition
100 * @cond: condition to test until it evaluates to true
101 * @timeout: maximum number of microseconds in the timeout
102 * @index: loop index (integer)
104 * Loop waiting for @cond to become true or until at least @timeout
105 * microseconds have passed. To use, define some integer @index in the
106 * calling code. After running, if @index == @timeout, then the loop has
109 #define omap_test_timeout(cond, timeout, index) \
111 for (index = 0; index < timeout; index++) { \
118 extern struct device
*omap2_get_mpuss_device(void);
119 extern struct device
*omap2_get_iva_device(void);
120 extern struct device
*omap2_get_l3_device(void);
121 extern struct device
*omap4_get_dsp_device(void);
123 #endif /* __ARCH_ARM_MACH_OMAP_COMMON_H */