ARM: OMAP2+: Prepare for irqs.h removal
[deliverable/linux.git] / arch / arm / mach-omap2 / common.h
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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
b2b9762f 27#ifndef __ASSEMBLER__
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28
29#include <linux/delay.h>
1ee47b0a 30#include <linux/i2c/twl.h>
4e65331c 31#include <plat/common.h>
b2b9762f 32#include <asm/proc-fns.h>
4e65331c 33
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34#define OMAP_INTC_START 0
35
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36#ifdef CONFIG_SOC_OMAP2420
37extern void omap242x_map_common_io(void);
38#else
39static inline void omap242x_map_common_io(void)
40{
41}
42#endif
43
44#ifdef CONFIG_SOC_OMAP2430
45extern void omap243x_map_common_io(void);
46#else
47static inline void omap243x_map_common_io(void)
48{
49}
50#endif
51
52#ifdef CONFIG_ARCH_OMAP3
53extern void omap34xx_map_common_io(void);
54#else
55static inline void omap34xx_map_common_io(void)
56{
57}
58#endif
59
33959553 60#ifdef CONFIG_SOC_TI81XX
a920360f 61extern void omapti81xx_map_common_io(void);
4e65331c 62#else
a920360f 63static inline void omapti81xx_map_common_io(void)
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64{
65}
66#endif
67
bb6abcf4 68#ifdef CONFIG_SOC_AM33XX
1e6cb146
AM
69extern void omapam33xx_map_common_io(void);
70#else
71static inline void omapam33xx_map_common_io(void)
72{
73}
74#endif
75
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76#ifdef CONFIG_ARCH_OMAP4
77extern void omap44xx_map_common_io(void);
78#else
79static inline void omap44xx_map_common_io(void)
80{
81}
82#endif
83
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SG
84#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP2)
85int omap2_pm_init(void);
86#else
87static inline int omap2_pm_init(void)
88{
89 return 0;
90}
91#endif
92
93#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3)
94int omap3_pm_init(void);
95#else
96static inline int omap3_pm_init(void)
97{
98 return 0;
99}
100#endif
101
102#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP4)
103int omap4_pm_init(void);
104#else
105static inline int omap4_pm_init(void)
106{
107 return 0;
108}
109#endif
110
111#ifdef CONFIG_OMAP_MUX
112int omap_mux_late_init(void);
113#else
114static inline int omap_mux_late_init(void)
115{
116 return 0;
117}
118#endif
119
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120#ifdef CONFIG_SOC_OMAP5
121extern void omap5_map_common_io(void);
122#else
123static inline void omap5_map_common_io(void)
124{
125}
126#endif
127
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128extern void omap2_init_common_infrastructure(void);
129
130extern struct sys_timer omap2_timer;
131extern struct sys_timer omap3_timer;
132extern struct sys_timer omap3_secure_timer;
08f30989 133extern struct sys_timer omap3_am33xx_timer;
4e65331c 134extern struct sys_timer omap4_timer;
37b3280d 135extern struct sys_timer omap5_timer;
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136
137void omap2420_init_early(void);
138void omap2430_init_early(void);
139void omap3430_init_early(void);
140void omap35xx_init_early(void);
141void omap3630_init_early(void);
142void omap3_init_early(void); /* Do not use this one */
ce3fc89a 143void am33xx_init_early(void);
4e65331c 144void am35xx_init_early(void);
a920360f 145void ti81xx_init_early(void);
08f30989 146void am33xx_init_early(void);
4e65331c 147void omap4430_init_early(void);
05e152c7 148void omap5_init_early(void);
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149void omap3_init_late(void); /* Do not use this one */
150void omap4430_init_late(void);
151void omap2420_init_late(void);
152void omap2430_init_late(void);
153void omap3430_init_late(void);
154void omap35xx_init_late(void);
155void omap3630_init_late(void);
156void am35xx_init_late(void);
157void ti81xx_init_late(void);
158void omap4430_init_late(void);
159int omap2_common_pm_late_init(void);
baa95883 160void omap_prcm_restart(char, const char *);
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161
162/*
163 * IO bases for various OMAP processors
164 * Except the tap base, rest all the io bases
165 * listed are physical addresses.
166 */
167struct omap_globals {
168 u32 class; /* OMAP class to detect */
169 void __iomem *tap; /* Control module ID code */
170 void __iomem *sdrc; /* SDRAM Controller */
171 void __iomem *sms; /* SDRAM Memory Scheduler */
172 void __iomem *ctrl; /* System Control Module */
173 void __iomem *ctrl_pad; /* PAD Control Module */
174 void __iomem *prm; /* Power and Reset Management */
175 void __iomem *cm; /* Clock Management */
176 void __iomem *cm2;
610eb8c2 177 void __iomem *prcm_mpu;
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178};
179
180void omap2_set_globals_242x(void);
181void omap2_set_globals_243x(void);
182void omap2_set_globals_3xxx(void);
183void omap2_set_globals_443x(void);
05e152c7 184void omap2_set_globals_5xxx(void);
a920360f 185void omap2_set_globals_ti81xx(void);
1e6cb146 186void omap2_set_globals_am33xx(void);
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187
188/* These get called from omap2_set_globals_xxxx(), do not call these */
189void omap2_set_globals_tap(struct omap_globals *);
ecc46cfd 190#if defined(CONFIG_SOC_HAS_OMAP2_SDRC)
4e65331c 191void omap2_set_globals_sdrc(struct omap_globals *);
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192#else
193static inline void omap2_set_globals_sdrc(struct omap_globals *omap2_globals)
194{ }
195#endif
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196void omap2_set_globals_control(struct omap_globals *);
197void omap2_set_globals_prcm(struct omap_globals *);
198
199void omap242x_map_io(void);
200void omap243x_map_io(void);
201void omap3_map_io(void);
1e6cb146 202void am33xx_map_io(void);
4e65331c 203void omap4_map_io(void);
05e152c7 204void omap5_map_io(void);
a920360f 205void ti81xx_map_io(void);
2ec1fc4e 206void omap_barriers_init(void);
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207
208/**
209 * omap_test_timeout - busy-loop, testing a condition
210 * @cond: condition to test until it evaluates to true
211 * @timeout: maximum number of microseconds in the timeout
212 * @index: loop index (integer)
213 *
214 * Loop waiting for @cond to become true or until at least @timeout
215 * microseconds have passed. To use, define some integer @index in the
216 * calling code. After running, if @index == @timeout, then the loop has
217 * timed out.
218 */
219#define omap_test_timeout(cond, timeout, index) \
220({ \
221 for (index = 0; index < timeout; index++) { \
222 if (cond) \
223 break; \
224 udelay(1); \
225 } \
226})
227
228extern struct device *omap2_get_mpuss_device(void);
229extern struct device *omap2_get_iva_device(void);
230extern struct device *omap2_get_l3_device(void);
231extern struct device *omap4_get_dsp_device(void);
232
233void omap2_init_irq(void);
234void omap3_init_irq(void);
a920360f 235void ti81xx_init_irq(void);
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236extern int omap_irq_pending(void);
237void omap_intc_save_context(void);
238void omap_intc_restore_context(void);
239void omap3_intc_suspend(void);
240void omap3_intc_prepare_idle(void);
241void omap3_intc_resume_idle(void);
f88f4dd8
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242void omap2_intc_handle_irq(struct pt_regs *regs);
243void omap3_intc_handle_irq(struct pt_regs *regs);
c4082d49
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244void omap_intc_of_init(void);
245void omap_gic_of_init(void);
4e65331c 246
4e65331c 247#ifdef CONFIG_CACHE_L2X0
02afe8a7 248extern void __iomem *omap4_get_l2cache_base(void);
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249#endif
250
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251struct device_node;
252#ifdef CONFIG_OF
c4082d49 253int __init intc_of_init(struct device_node *node,
52fa2120
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254 struct device_node *parent);
255#else
c4082d49 256int __init intc_of_init(struct device_node *node,
52fa2120
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257 struct device_node *parent)
258{
259 return 0;
260}
261#endif
262
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263#ifdef CONFIG_SMP
264extern void __iomem *omap4_get_scu_base(void);
265#else
266static inline void __iomem *omap4_get_scu_base(void)
267{
268 return NULL;
269}
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270#endif
271
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272extern void __init gic_init_irq(void);
273extern void omap_smc1(u32 fn, u32 arg);
501f0c75 274extern void __iomem *omap4_get_sar_ram_base(void);
b2b9762f 275extern void omap_do_wfi(void);
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276
277#ifdef CONFIG_SMP
278/* Needed for secondary core boot */
279extern void omap_secondary_startup(void);
280extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask);
281extern void omap_auxcoreboot_addr(u32 cpu_addr);
282extern u32 omap_read_auxcoreboot0(void);
283f708c 283extern void omap5_secondary_startup(void);
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284#endif
285
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286#if defined(CONFIG_SMP) && defined(CONFIG_PM)
287extern int omap4_mpuss_init(void);
288extern int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state);
289extern int omap4_finish_suspend(unsigned long cpu_state);
290extern void omap4_cpu_resume(void);
b5b4f288 291extern int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state);
3ba2a739 292extern u32 omap4_mpuss_read_prev_context_state(void);
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293#else
294static inline int omap4_enter_lowpower(unsigned int cpu,
295 unsigned int power_state)
296{
297 cpu_do_idle();
298 return 0;
299}
300
b5b4f288
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301static inline int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state)
302{
303 cpu_do_idle();
304 return 0;
305}
306
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307static inline int omap4_mpuss_init(void)
308{
309 return 0;
310}
311
312static inline int omap4_finish_suspend(unsigned long cpu_state)
313{
314 return 0;
315}
316
317static inline void omap4_cpu_resume(void)
318{}
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319
320static inline u32 omap4_mpuss_read_prev_context_state(void)
321{
322 return 0;
323}
b2b9762f 324#endif
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325
326struct omap_sdrc_params;
327extern void omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
328 struct omap_sdrc_params *sdrc_cs1);
1ee47b0a
B
329struct omap2_hsmmc_info;
330extern int omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers);
258ee922 331
b2b9762f 332#endif /* __ASSEMBLER__ */
4e65331c 333#endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */
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