diff options
author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
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committer | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
commit | fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch) | |
tree | a57612d1888735a2ec7972891b68c1ac5ec8faea /arch/arm/plat-omap/include/plat/common.h | |
parent | 8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff) |
Diffstat (limited to 'arch/arm/plat-omap/include/plat/common.h')
-rw-r--r-- | arch/arm/plat-omap/include/plat/common.h | 104 |
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 | |||
34 | struct sys_timer; | ||
35 | |||
36 | extern void omap_map_common_io(void); | ||
37 | extern struct sys_timer omap1_timer; | ||
38 | extern struct sys_timer omap2_timer; | ||
39 | extern struct sys_timer omap3_timer; | ||
40 | extern struct sys_timer omap3_secure_timer; | ||
41 | extern struct sys_timer omap4_timer; | ||
42 | extern bool omap_32k_timer_init(void); | ||
43 | extern int __init omap_init_clocksource_32k(void); | ||
44 | extern unsigned long long notrace omap_32k_sched_clock(void); | ||
45 | |||
46 | extern 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 | */ | ||
53 | struct 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 | |||
65 | void omap2_set_globals_242x(void); | ||
66 | void omap2_set_globals_243x(void); | ||
67 | void omap2_set_globals_3xxx(void); | ||
68 | void omap2_set_globals_443x(void); | ||
69 | void omap2_set_globals_ti816x(void); | ||
70 | |||
71 | /* These get called from omap2_set_globals_xxxx(), do not call these */ | ||
72 | void omap2_set_globals_tap(struct omap_globals *); | ||
73 | void omap2_set_globals_sdrc(struct omap_globals *); | ||
74 | void omap2_set_globals_control(struct omap_globals *); | ||
75 | void omap2_set_globals_prcm(struct omap_globals *); | ||
76 | |||
77 | void 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 | |||
99 | extern struct device *omap2_get_mpuss_device(void); | ||
100 | extern struct device *omap2_get_iva_device(void); | ||
101 | extern struct device *omap2_get_l3_device(void); | ||
102 | extern struct device *omap4_get_dsp_device(void); | ||
103 | |||
104 | #endif /* __ARCH_ARM_MACH_OMAP_COMMON_H */ | ||