aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/plat-omap/include/plat/common.h
diff options
context:
space:
mode:
authorJonathan Herman <hermanjl@cs.unc.edu>2013-01-22 10:38:37 -0500
committerJonathan Herman <hermanjl@cs.unc.edu>2013-01-22 10:38:37 -0500
commitfcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch)
treea57612d1888735a2ec7972891b68c1ac5ec8faea /arch/arm/plat-omap/include/plat/common.h
parent8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff)
Added missing tegra files.HEADmaster
Diffstat (limited to 'arch/arm/plat-omap/include/plat/common.h')
-rw-r--r--arch/arm/plat-omap/include/plat/common.h104
1 files changed, 104 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/plat/common.h b/arch/arm/plat-omap/include/plat/common.h
new file mode 100644
index 00000000000..4564cc697d7
--- /dev/null
+++ b/arch/arm/plat-omap/include/plat/common.h
@@ -0,0 +1,104 @@
1/*
2 * arch/arm/plat-omap/include/mach/common.h
3 *
4 * Header for code common to all OMAP machines.
5 *
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.
10 *
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.
21 *
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.
25 */
26
27#ifndef __ARCH_ARM_MACH_OMAP_COMMON_H
28#define __ARCH_ARM_MACH_OMAP_COMMON_H
29
30#include <linux/delay.h>
31
32#include <plat/i2c.h>
33
34struct sys_timer;
35
36extern void omap_map_common_io(void);
37extern struct sys_timer omap1_timer;
38extern struct sys_timer omap2_timer;
39extern struct sys_timer omap3_timer;
40extern struct sys_timer omap3_secure_timer;
41extern struct sys_timer omap4_timer;
42extern bool omap_32k_timer_init(void);
43extern int __init omap_init_clocksource_32k(void);
44extern unsigned long long notrace omap_32k_sched_clock(void);
45
46extern void omap_reserve(void);
47
48/*
49 * IO bases for various OMAP processors
50 * Except the tap base, rest all the io bases
51 * listed are physical addresses.
52 */
53struct omap_globals {
54 u32 class; /* OMAP class to detect */
55 void __iomem *tap; /* Control module ID code */
56 unsigned long sdrc; /* SDRAM Controller */
57 unsigned long sms; /* SDRAM Memory Scheduler */
58 unsigned long ctrl; /* System Control Module */
59 unsigned long ctrl_pad; /* PAD Control Module */
60 unsigned long prm; /* Power and Reset Management */
61 unsigned long cm; /* Clock Management */
62 unsigned long cm2;
63};
64
65void omap2_set_globals_242x(void);
66void omap2_set_globals_243x(void);
67void omap2_set_globals_3xxx(void);
68void omap2_set_globals_443x(void);
69void omap2_set_globals_ti816x(void);
70
71/* These get called from omap2_set_globals_xxxx(), do not call these */
72void omap2_set_globals_tap(struct omap_globals *);
73void omap2_set_globals_sdrc(struct omap_globals *);
74void omap2_set_globals_control(struct omap_globals *);
75void omap2_set_globals_prcm(struct omap_globals *);
76
77void omap3_map_io(void);
78
79/**
80 * omap_test_timeout - busy-loop, testing a condition
81 * @cond: condition to test until it evaluates to true
82 * @timeout: maximum number of microseconds in the timeout
83 * @index: loop index (integer)
84 *
85 * Loop waiting for @cond to become true or until at least @timeout
86 * microseconds have passed. To use, define some integer @index in the
87 * calling code. After running, if @index == @timeout, then the loop has
88 * timed out.
89 */
90#define omap_test_timeout(cond, timeout, index) \
91({ \
92 for (index = 0; index < timeout; index++) { \
93 if (cond) \
94 break; \
95 udelay(1); \
96 } \
97})
98
99extern struct device *omap2_get_mpuss_device(void);
100extern struct device *omap2_get_iva_device(void);
101extern struct device *omap2_get_l3_device(void);
102extern struct device *omap4_get_dsp_device(void);
103
104#endif /* __ARCH_ARM_MACH_OMAP_COMMON_H */