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Diffstat (limited to 'arch/arm/mach-omap2/common.h')
| -rw-r--r-- | arch/arm/mach-omap2/common.h | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h new file mode 100644 index 000000000000..4b2b416fafe1 --- /dev/null +++ b/arch/arm/mach-omap2/common.h | |||
| @@ -0,0 +1,196 @@ | |||
| 1 | /* | ||
| 2 | * Header for code common to all OMAP2+ machines. | ||
| 3 | * | ||
| 4 | * This program is free software; you can redistribute it and/or modify it | ||
| 5 | * under the terms of the GNU General Public License as published by the | ||
| 6 | * Free Software Foundation; either version 2 of the License, or (at your | ||
| 7 | * option) any later version. | ||
| 8 | * | ||
| 9 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | ||
| 10 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | ||
| 11 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN | ||
| 12 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | ||
| 13 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
| 14 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF | ||
| 15 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | ||
| 16 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| 17 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | ||
| 18 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| 19 | * | ||
| 20 | * You should have received a copy of the GNU General Public License along | ||
| 21 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
| 22 | * 675 Mass Ave, Cambridge, MA 02139, USA. | ||
| 23 | */ | ||
| 24 | |||
| 25 | #ifndef __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H | ||
| 26 | #define __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H | ||
| 27 | |||
| 28 | #include <linux/delay.h> | ||
| 29 | #include <plat/common.h> | ||
| 30 | |||
| 31 | #ifdef CONFIG_SOC_OMAP2420 | ||
| 32 | extern void omap242x_map_common_io(void); | ||
| 33 | #else | ||
| 34 | static inline void omap242x_map_common_io(void) | ||
| 35 | { | ||
| 36 | } | ||
| 37 | #endif | ||
| 38 | |||
| 39 | #ifdef CONFIG_SOC_OMAP2430 | ||
| 40 | extern void omap243x_map_common_io(void); | ||
| 41 | #else | ||
| 42 | static inline void omap243x_map_common_io(void) | ||
| 43 | { | ||
| 44 | } | ||
| 45 | #endif | ||
| 46 | |||
| 47 | #ifdef CONFIG_ARCH_OMAP3 | ||
| 48 | extern void omap34xx_map_common_io(void); | ||
| 49 | #else | ||
| 50 | static inline void omap34xx_map_common_io(void) | ||
| 51 | { | ||
| 52 | } | ||
| 53 | #endif | ||
| 54 | |||
| 55 | #ifdef CONFIG_SOC_OMAPTI81XX | ||
| 56 | extern void omapti81xx_map_common_io(void); | ||
| 57 | #else | ||
| 58 | static inline void omapti81xx_map_common_io(void) | ||
| 59 | { | ||
| 60 | } | ||
| 61 | #endif | ||
| 62 | |||
| 63 | #ifdef CONFIG_SOC_OMAPAM33XX | ||
| 64 | extern void omapam33xx_map_common_io(void); | ||
| 65 | #else | ||
| 66 | static inline void omapam33xx_map_common_io(void) | ||
| 67 | { | ||
| 68 | } | ||
| 69 | #endif | ||
| 70 | |||
| 71 | #ifdef CONFIG_ARCH_OMAP4 | ||
| 72 | extern void omap44xx_map_common_io(void); | ||
| 73 | #else | ||
| 74 | static inline void omap44xx_map_common_io(void) | ||
| 75 | { | ||
| 76 | } | ||
| 77 | #endif | ||
| 78 | |||
| 79 | extern void omap2_init_common_infrastructure(void); | ||
| 80 | |||
| 81 | extern struct sys_timer omap2_timer; | ||
| 82 | extern struct sys_timer omap3_timer; | ||
| 83 | extern struct sys_timer omap3_secure_timer; | ||
| 84 | extern struct sys_timer omap4_timer; | ||
| 85 | |||
| 86 | void omap2420_init_early(void); | ||
| 87 | void omap2430_init_early(void); | ||
| 88 | void omap3430_init_early(void); | ||
| 89 | void omap35xx_init_early(void); | ||
| 90 | void omap3630_init_early(void); | ||
| 91 | void omap3_init_early(void); /* Do not use this one */ | ||
| 92 | void am35xx_init_early(void); | ||
| 93 | void ti81xx_init_early(void); | ||
| 94 | void omap4430_init_early(void); | ||
| 95 | |||
| 96 | /* | ||
| 97 | * IO bases for various OMAP processors | ||
| 98 | * Except the tap base, rest all the io bases | ||
| 99 | * listed are physical addresses. | ||
| 100 | */ | ||
| 101 | struct omap_globals { | ||
| 102 | u32 class; /* OMAP class to detect */ | ||
| 103 | void __iomem *tap; /* Control module ID code */ | ||
| 104 | void __iomem *sdrc; /* SDRAM Controller */ | ||
| 105 | void __iomem *sms; /* SDRAM Memory Scheduler */ | ||
| 106 | void __iomem *ctrl; /* System Control Module */ | ||
| 107 | void __iomem *ctrl_pad; /* PAD Control Module */ | ||
| 108 | void __iomem *prm; /* Power and Reset Management */ | ||
| 109 | void __iomem *cm; /* Clock Management */ | ||
| 110 | void __iomem *cm2; | ||
| 111 | }; | ||
| 112 | |||
| 113 | void omap2_set_globals_242x(void); | ||
| 114 | void omap2_set_globals_243x(void); | ||
| 115 | void omap2_set_globals_3xxx(void); | ||
| 116 | void omap2_set_globals_443x(void); | ||
| 117 | void omap2_set_globals_ti81xx(void); | ||
| 118 | void omap2_set_globals_am33xx(void); | ||
| 119 | |||
| 120 | /* These get called from omap2_set_globals_xxxx(), do not call these */ | ||
| 121 | void omap2_set_globals_tap(struct omap_globals *); | ||
| 122 | void omap2_set_globals_sdrc(struct omap_globals *); | ||
| 123 | void omap2_set_globals_control(struct omap_globals *); | ||
| 124 | void omap2_set_globals_prcm(struct omap_globals *); | ||
| 125 | |||
| 126 | void omap242x_map_io(void); | ||
| 127 | void omap243x_map_io(void); | ||
| 128 | void omap3_map_io(void); | ||
| 129 | void am33xx_map_io(void); | ||
| 130 | void omap4_map_io(void); | ||
| 131 | void ti81xx_map_io(void); | ||
| 132 | |||
| 133 | /** | ||
| 134 | * omap_test_timeout - busy-loop, testing a condition | ||
| 135 | * @cond: condition to test until it evaluates to true | ||
| 136 | * @timeout: maximum number of microseconds in the timeout | ||
| 137 | * @index: loop index (integer) | ||
| 138 | * | ||
| 139 | * Loop waiting for @cond to become true or until at least @timeout | ||
| 140 | * microseconds have passed. To use, define some integer @index in the | ||
| 141 | * calling code. After running, if @index == @timeout, then the loop has | ||
| 142 | * timed out. | ||
| 143 | */ | ||
| 144 | #define omap_test_timeout(cond, timeout, index) \ | ||
| 145 | ({ \ | ||
| 146 | for (index = 0; index < timeout; index++) { \ | ||
| 147 | if (cond) \ | ||
| 148 | break; \ | ||
| 149 | udelay(1); \ | ||
| 150 | } \ | ||
| 151 | }) | ||
| 152 | |||
| 153 | extern struct device *omap2_get_mpuss_device(void); | ||
| 154 | extern struct device *omap2_get_iva_device(void); | ||
| 155 | extern struct device *omap2_get_l3_device(void); | ||
| 156 | extern struct device *omap4_get_dsp_device(void); | ||
| 157 | |||
| 158 | void omap2_init_irq(void); | ||
| 159 | void omap3_init_irq(void); | ||
| 160 | void ti81xx_init_irq(void); | ||
| 161 | extern int omap_irq_pending(void); | ||
| 162 | void omap_intc_save_context(void); | ||
| 163 | void omap_intc_restore_context(void); | ||
| 164 | void omap3_intc_suspend(void); | ||
| 165 | void omap3_intc_prepare_idle(void); | ||
| 166 | void omap3_intc_resume_idle(void); | ||
| 167 | void omap2_intc_handle_irq(struct pt_regs *regs); | ||
| 168 | void omap3_intc_handle_irq(struct pt_regs *regs); | ||
| 169 | |||
| 170 | /* | ||
| 171 | * wfi used in low power code. Directly opcode is used instead | ||
| 172 | * of instruction to avoid mulit-omap build break | ||
| 173 | */ | ||
| 174 | #ifdef CONFIG_THUMB2_KERNEL | ||
| 175 | #define do_wfi() __asm__ __volatile__ ("wfi" : : : "memory") | ||
| 176 | #else | ||
| 177 | #define do_wfi() \ | ||
| 178 | __asm__ __volatile__ (".word 0xe320f003" : : : "memory") | ||
| 179 | #endif | ||
| 180 | |||
| 181 | #ifdef CONFIG_CACHE_L2X0 | ||
| 182 | extern void __iomem *l2cache_base; | ||
| 183 | #endif | ||
| 184 | |||
| 185 | extern void __init gic_init_irq(void); | ||
| 186 | extern void omap_smc1(u32 fn, u32 arg); | ||
| 187 | |||
| 188 | #ifdef CONFIG_SMP | ||
| 189 | /* Needed for secondary core boot */ | ||
| 190 | extern void omap_secondary_startup(void); | ||
| 191 | extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask); | ||
| 192 | extern void omap_auxcoreboot_addr(u32 cpu_addr); | ||
| 193 | extern u32 omap_read_auxcoreboot0(void); | ||
| 194 | #endif | ||
| 195 | |||
| 196 | #endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */ | ||
