| | 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 | #include <plat/omap_hwmod.h> |
| | 34 | |
| | 35 | struct sys_timer; |
| | 36 | |
| | 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); |
| | 46 | |
| | 47 | extern void omap_reserve(void); |
| | 48 | |
| | 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); |
| | 58 | |
| | 59 | extern int omap_dss_reset(struct omap_hwmod *); |
| | 60 | |
| | 61 | void omap_sram_init(void); |
| | 62 | |
| | 63 | /* |
| | 64 | * IO bases for various OMAP processors |
| | 65 | * Except the tap base, rest all the io bases |
| | 66 | * listed are physical addresses. |
| | 67 | */ |
| | 68 | struct omap_globals { |
| | 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 */ |
| | 77 | void __iomem *cm2; |
| | 78 | }; |
| | 79 | |
| | 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); |
| | 85 | |
| | 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 *); |
| | 91 | |
| | 92 | void omap242x_map_io(void); |
| | 93 | void omap243x_map_io(void); |
| | 94 | void omap3_map_io(void); |
| | 95 | void omap4_map_io(void); |
| | 96 | |
| | 97 | |
| | 98 | /** |
| | 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) |
| | 103 | * |
| | 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 |
| | 107 | * timed out. |
| | 108 | */ |
| | 109 | #define omap_test_timeout(cond, timeout, index) \ |
| | 110 | ({ \ |
| | 111 | for (index = 0; index < timeout; index++) { \ |
| | 112 | if (cond) \ |
| | 113 | break; \ |
| | 114 | udelay(1); \ |
| | 115 | } \ |
| | 116 | }) |
| | 117 | |
| | 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); |
| | 122 | |
| | 123 | #endif /* __ARCH_ARM_MACH_OMAP_COMMON_H */ |
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