diff options
| author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
|---|---|---|
| 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 */ | ||
