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Diffstat (limited to 'arch/arm/mach-omap2/common.h')
-rw-r--r-- | arch/arm/mach-omap2/common.h | 186 |
1 files changed, 186 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..cda888a2e635 --- /dev/null +++ b/arch/arm/mach-omap2/common.h | |||
@@ -0,0 +1,186 @@ | |||
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_OMAPTI816X | ||
56 | extern void omapti816x_map_common_io(void); | ||
57 | #else | ||
58 | static inline void omapti816x_map_common_io(void) | ||
59 | { | ||
60 | } | ||
61 | #endif | ||
62 | |||
63 | #ifdef CONFIG_ARCH_OMAP4 | ||
64 | extern void omap44xx_map_common_io(void); | ||
65 | #else | ||
66 | static inline void omap44xx_map_common_io(void) | ||
67 | { | ||
68 | } | ||
69 | #endif | ||
70 | |||
71 | extern void omap2_init_common_infrastructure(void); | ||
72 | |||
73 | extern struct sys_timer omap2_timer; | ||
74 | extern struct sys_timer omap3_timer; | ||
75 | extern struct sys_timer omap3_secure_timer; | ||
76 | extern struct sys_timer omap4_timer; | ||
77 | |||
78 | void omap2420_init_early(void); | ||
79 | void omap2430_init_early(void); | ||
80 | void omap3430_init_early(void); | ||
81 | void omap35xx_init_early(void); | ||
82 | void omap3630_init_early(void); | ||
83 | void omap3_init_early(void); /* Do not use this one */ | ||
84 | void am35xx_init_early(void); | ||
85 | void ti816x_init_early(void); | ||
86 | void omap4430_init_early(void); | ||
87 | void omap_prcm_restart(char, const char *); | ||
88 | |||
89 | /* | ||
90 | * IO bases for various OMAP processors | ||
91 | * Except the tap base, rest all the io bases | ||
92 | * listed are physical addresses. | ||
93 | */ | ||
94 | struct omap_globals { | ||
95 | u32 class; /* OMAP class to detect */ | ||
96 | void __iomem *tap; /* Control module ID code */ | ||
97 | void __iomem *sdrc; /* SDRAM Controller */ | ||
98 | void __iomem *sms; /* SDRAM Memory Scheduler */ | ||
99 | void __iomem *ctrl; /* System Control Module */ | ||
100 | void __iomem *ctrl_pad; /* PAD Control Module */ | ||
101 | void __iomem *prm; /* Power and Reset Management */ | ||
102 | void __iomem *cm; /* Clock Management */ | ||
103 | void __iomem *cm2; | ||
104 | }; | ||
105 | |||
106 | void omap2_set_globals_242x(void); | ||
107 | void omap2_set_globals_243x(void); | ||
108 | void omap2_set_globals_3xxx(void); | ||
109 | void omap2_set_globals_443x(void); | ||
110 | void omap2_set_globals_ti816x(void); | ||
111 | |||
112 | /* These get called from omap2_set_globals_xxxx(), do not call these */ | ||
113 | void omap2_set_globals_tap(struct omap_globals *); | ||
114 | void omap2_set_globals_sdrc(struct omap_globals *); | ||
115 | void omap2_set_globals_control(struct omap_globals *); | ||
116 | void omap2_set_globals_prcm(struct omap_globals *); | ||
117 | |||
118 | void omap242x_map_io(void); | ||
119 | void omap243x_map_io(void); | ||
120 | void omap3_map_io(void); | ||
121 | void omap4_map_io(void); | ||
122 | |||
123 | /** | ||
124 | * omap_test_timeout - busy-loop, testing a condition | ||
125 | * @cond: condition to test until it evaluates to true | ||
126 | * @timeout: maximum number of microseconds in the timeout | ||
127 | * @index: loop index (integer) | ||
128 | * | ||
129 | * Loop waiting for @cond to become true or until at least @timeout | ||
130 | * microseconds have passed. To use, define some integer @index in the | ||
131 | * calling code. After running, if @index == @timeout, then the loop has | ||
132 | * timed out. | ||
133 | */ | ||
134 | #define omap_test_timeout(cond, timeout, index) \ | ||
135 | ({ \ | ||
136 | for (index = 0; index < timeout; index++) { \ | ||
137 | if (cond) \ | ||
138 | break; \ | ||
139 | udelay(1); \ | ||
140 | } \ | ||
141 | }) | ||
142 | |||
143 | extern struct device *omap2_get_mpuss_device(void); | ||
144 | extern struct device *omap2_get_iva_device(void); | ||
145 | extern struct device *omap2_get_l3_device(void); | ||
146 | extern struct device *omap4_get_dsp_device(void); | ||
147 | |||
148 | void omap2_init_irq(void); | ||
149 | void omap3_init_irq(void); | ||
150 | void ti816x_init_irq(void); | ||
151 | extern int omap_irq_pending(void); | ||
152 | void omap_intc_save_context(void); | ||
153 | void omap_intc_restore_context(void); | ||
154 | void omap3_intc_suspend(void); | ||
155 | void omap3_intc_prepare_idle(void); | ||
156 | void omap3_intc_resume_idle(void); | ||
157 | void omap2_intc_handle_irq(struct pt_regs *regs); | ||
158 | void omap3_intc_handle_irq(struct pt_regs *regs); | ||
159 | |||
160 | /* | ||
161 | * wfi used in low power code. Directly opcode is used instead | ||
162 | * of instruction to avoid mulit-omap build break | ||
163 | */ | ||
164 | #ifdef CONFIG_THUMB2_KERNEL | ||
165 | #define do_wfi() __asm__ __volatile__ ("wfi" : : : "memory") | ||
166 | #else | ||
167 | #define do_wfi() \ | ||
168 | __asm__ __volatile__ (".word 0xe320f003" : : : "memory") | ||
169 | #endif | ||
170 | |||
171 | #ifdef CONFIG_CACHE_L2X0 | ||
172 | extern void __iomem *l2cache_base; | ||
173 | #endif | ||
174 | |||
175 | extern void __init gic_init_irq(void); | ||
176 | extern void omap_smc1(u32 fn, u32 arg); | ||
177 | |||
178 | #ifdef CONFIG_SMP | ||
179 | /* Needed for secondary core boot */ | ||
180 | extern void omap_secondary_startup(void); | ||
181 | extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask); | ||
182 | extern void omap_auxcoreboot_addr(u32 cpu_addr); | ||
183 | extern u32 omap_read_auxcoreboot0(void); | ||
184 | #endif | ||
185 | |||
186 | #endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */ | ||