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4e65331c TL |
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__ |
4e65331c TL |
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 TL |
33 | |
34 | #ifdef CONFIG_SOC_OMAP2420 | |
35 | extern void omap242x_map_common_io(void); | |
36 | #else | |
37 | static inline void omap242x_map_common_io(void) | |
38 | { | |
39 | } | |
40 | #endif | |
41 | ||
42 | #ifdef CONFIG_SOC_OMAP2430 | |
43 | extern void omap243x_map_common_io(void); | |
44 | #else | |
45 | static inline void omap243x_map_common_io(void) | |
46 | { | |
47 | } | |
48 | #endif | |
49 | ||
50 | #ifdef CONFIG_ARCH_OMAP3 | |
51 | extern void omap34xx_map_common_io(void); | |
52 | #else | |
53 | static inline void omap34xx_map_common_io(void) | |
54 | { | |
55 | } | |
56 | #endif | |
57 | ||
33959553 | 58 | #ifdef CONFIG_SOC_TI81XX |
a920360f | 59 | extern void omapti81xx_map_common_io(void); |
4e65331c | 60 | #else |
a920360f | 61 | static inline void omapti81xx_map_common_io(void) |
4e65331c TL |
62 | { |
63 | } | |
64 | #endif | |
65 | ||
bb6abcf4 | 66 | #ifdef CONFIG_SOC_AM33XX |
1e6cb146 AM |
67 | extern void omapam33xx_map_common_io(void); |
68 | #else | |
69 | static inline void omapam33xx_map_common_io(void) | |
70 | { | |
71 | } | |
72 | #endif | |
73 | ||
4e65331c TL |
74 | #ifdef CONFIG_ARCH_OMAP4 |
75 | extern void omap44xx_map_common_io(void); | |
76 | #else | |
77 | static inline void omap44xx_map_common_io(void) | |
78 | { | |
79 | } | |
80 | #endif | |
81 | ||
bbd707ac SG |
82 | #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP2) |
83 | int omap2_pm_init(void); | |
84 | #else | |
85 | static inline int omap2_pm_init(void) | |
86 | { | |
87 | return 0; | |
88 | } | |
89 | #endif | |
90 | ||
91 | #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) | |
92 | int omap3_pm_init(void); | |
93 | #else | |
94 | static inline int omap3_pm_init(void) | |
95 | { | |
96 | return 0; | |
97 | } | |
98 | #endif | |
99 | ||
100 | #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP4) | |
101 | int omap4_pm_init(void); | |
102 | #else | |
103 | static inline int omap4_pm_init(void) | |
104 | { | |
105 | return 0; | |
106 | } | |
107 | #endif | |
108 | ||
109 | #ifdef CONFIG_OMAP_MUX | |
110 | int omap_mux_late_init(void); | |
111 | #else | |
112 | static inline int omap_mux_late_init(void) | |
113 | { | |
114 | return 0; | |
115 | } | |
116 | #endif | |
117 | ||
4e65331c TL |
118 | extern void omap2_init_common_infrastructure(void); |
119 | ||
120 | extern struct sys_timer omap2_timer; | |
121 | extern struct sys_timer omap3_timer; | |
122 | extern struct sys_timer omap3_secure_timer; | |
08f30989 | 123 | extern struct sys_timer omap3_am33xx_timer; |
4e65331c TL |
124 | extern struct sys_timer omap4_timer; |
125 | ||
126 | void omap2420_init_early(void); | |
127 | void omap2430_init_early(void); | |
128 | void omap3430_init_early(void); | |
129 | void omap35xx_init_early(void); | |
130 | void omap3630_init_early(void); | |
131 | void omap3_init_early(void); /* Do not use this one */ | |
ce3fc89a | 132 | void am33xx_init_early(void); |
4e65331c | 133 | void am35xx_init_early(void); |
a920360f | 134 | void ti81xx_init_early(void); |
08f30989 | 135 | void am33xx_init_early(void); |
4e65331c | 136 | void omap4430_init_early(void); |
bbd707ac SG |
137 | void omap3_init_late(void); /* Do not use this one */ |
138 | void omap4430_init_late(void); | |
139 | void omap2420_init_late(void); | |
140 | void omap2430_init_late(void); | |
141 | void omap3430_init_late(void); | |
142 | void omap35xx_init_late(void); | |
143 | void omap3630_init_late(void); | |
144 | void am35xx_init_late(void); | |
145 | void ti81xx_init_late(void); | |
146 | void omap4430_init_late(void); | |
147 | int omap2_common_pm_late_init(void); | |
baa95883 | 148 | void omap_prcm_restart(char, const char *); |
4e65331c TL |
149 | |
150 | /* | |
151 | * IO bases for various OMAP processors | |
152 | * Except the tap base, rest all the io bases | |
153 | * listed are physical addresses. | |
154 | */ | |
155 | struct omap_globals { | |
156 | u32 class; /* OMAP class to detect */ | |
157 | void __iomem *tap; /* Control module ID code */ | |
158 | void __iomem *sdrc; /* SDRAM Controller */ | |
159 | void __iomem *sms; /* SDRAM Memory Scheduler */ | |
160 | void __iomem *ctrl; /* System Control Module */ | |
161 | void __iomem *ctrl_pad; /* PAD Control Module */ | |
162 | void __iomem *prm; /* Power and Reset Management */ | |
163 | void __iomem *cm; /* Clock Management */ | |
164 | void __iomem *cm2; | |
610eb8c2 | 165 | void __iomem *prcm_mpu; |
4e65331c TL |
166 | }; |
167 | ||
168 | void omap2_set_globals_242x(void); | |
169 | void omap2_set_globals_243x(void); | |
170 | void omap2_set_globals_3xxx(void); | |
171 | void omap2_set_globals_443x(void); | |
a920360f | 172 | void omap2_set_globals_ti81xx(void); |
1e6cb146 | 173 | void omap2_set_globals_am33xx(void); |
4e65331c TL |
174 | |
175 | /* These get called from omap2_set_globals_xxxx(), do not call these */ | |
176 | void omap2_set_globals_tap(struct omap_globals *); | |
177 | void omap2_set_globals_sdrc(struct omap_globals *); | |
178 | void omap2_set_globals_control(struct omap_globals *); | |
179 | void omap2_set_globals_prcm(struct omap_globals *); | |
180 | ||
181 | void omap242x_map_io(void); | |
182 | void omap243x_map_io(void); | |
183 | void omap3_map_io(void); | |
1e6cb146 | 184 | void am33xx_map_io(void); |
4e65331c | 185 | void omap4_map_io(void); |
a920360f | 186 | void ti81xx_map_io(void); |
2ec1fc4e | 187 | void omap_barriers_init(void); |
4e65331c TL |
188 | |
189 | /** | |
190 | * omap_test_timeout - busy-loop, testing a condition | |
191 | * @cond: condition to test until it evaluates to true | |
192 | * @timeout: maximum number of microseconds in the timeout | |
193 | * @index: loop index (integer) | |
194 | * | |
195 | * Loop waiting for @cond to become true or until at least @timeout | |
196 | * microseconds have passed. To use, define some integer @index in the | |
197 | * calling code. After running, if @index == @timeout, then the loop has | |
198 | * timed out. | |
199 | */ | |
200 | #define omap_test_timeout(cond, timeout, index) \ | |
201 | ({ \ | |
202 | for (index = 0; index < timeout; index++) { \ | |
203 | if (cond) \ | |
204 | break; \ | |
205 | udelay(1); \ | |
206 | } \ | |
207 | }) | |
208 | ||
209 | extern struct device *omap2_get_mpuss_device(void); | |
210 | extern struct device *omap2_get_iva_device(void); | |
211 | extern struct device *omap2_get_l3_device(void); | |
212 | extern struct device *omap4_get_dsp_device(void); | |
213 | ||
214 | void omap2_init_irq(void); | |
215 | void omap3_init_irq(void); | |
a920360f | 216 | void ti81xx_init_irq(void); |
4e65331c TL |
217 | extern int omap_irq_pending(void); |
218 | void omap_intc_save_context(void); | |
219 | void omap_intc_restore_context(void); | |
220 | void omap3_intc_suspend(void); | |
221 | void omap3_intc_prepare_idle(void); | |
222 | void omap3_intc_resume_idle(void); | |
f88f4dd8 SS |
223 | void omap2_intc_handle_irq(struct pt_regs *regs); |
224 | void omap3_intc_handle_irq(struct pt_regs *regs); | |
4e65331c | 225 | |
4e65331c | 226 | #ifdef CONFIG_CACHE_L2X0 |
02afe8a7 | 227 | extern void __iomem *omap4_get_l2cache_base(void); |
4e65331c TL |
228 | #endif |
229 | ||
52fa2120 BC |
230 | struct device_node; |
231 | #ifdef CONFIG_OF | |
232 | int __init omap_intc_of_init(struct device_node *node, | |
233 | struct device_node *parent); | |
234 | #else | |
235 | int __init omap_intc_of_init(struct device_node *node, | |
236 | struct device_node *parent) | |
237 | { | |
238 | return 0; | |
239 | } | |
240 | #endif | |
241 | ||
02afe8a7 SS |
242 | #ifdef CONFIG_SMP |
243 | extern void __iomem *omap4_get_scu_base(void); | |
244 | #else | |
245 | static inline void __iomem *omap4_get_scu_base(void) | |
246 | { | |
247 | return NULL; | |
248 | } | |
4e65331c TL |
249 | #endif |
250 | ||
4e65331c TL |
251 | extern void __init gic_init_irq(void); |
252 | extern void omap_smc1(u32 fn, u32 arg); | |
501f0c75 | 253 | extern void __iomem *omap4_get_sar_ram_base(void); |
b2b9762f | 254 | extern void omap_do_wfi(void); |
4e65331c TL |
255 | |
256 | #ifdef CONFIG_SMP | |
257 | /* Needed for secondary core boot */ | |
258 | extern void omap_secondary_startup(void); | |
259 | extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask); | |
260 | extern void omap_auxcoreboot_addr(u32 cpu_addr); | |
261 | extern u32 omap_read_auxcoreboot0(void); | |
262 | #endif | |
263 | ||
b2b9762f SS |
264 | #if defined(CONFIG_SMP) && defined(CONFIG_PM) |
265 | extern int omap4_mpuss_init(void); | |
266 | extern int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state); | |
267 | extern int omap4_finish_suspend(unsigned long cpu_state); | |
268 | extern void omap4_cpu_resume(void); | |
b5b4f288 | 269 | extern int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state); |
3ba2a739 | 270 | extern u32 omap4_mpuss_read_prev_context_state(void); |
b2b9762f SS |
271 | #else |
272 | static inline int omap4_enter_lowpower(unsigned int cpu, | |
273 | unsigned int power_state) | |
274 | { | |
275 | cpu_do_idle(); | |
276 | return 0; | |
277 | } | |
278 | ||
b5b4f288 SS |
279 | static inline int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state) |
280 | { | |
281 | cpu_do_idle(); | |
282 | return 0; | |
283 | } | |
284 | ||
b2b9762f SS |
285 | static inline int omap4_mpuss_init(void) |
286 | { | |
287 | return 0; | |
288 | } | |
289 | ||
290 | static inline int omap4_finish_suspend(unsigned long cpu_state) | |
291 | { | |
292 | return 0; | |
293 | } | |
294 | ||
295 | static inline void omap4_cpu_resume(void) | |
296 | {} | |
3ba2a739 SS |
297 | |
298 | static inline u32 omap4_mpuss_read_prev_context_state(void) | |
299 | { | |
300 | return 0; | |
301 | } | |
b2b9762f | 302 | #endif |
258ee922 TL |
303 | |
304 | struct omap_sdrc_params; | |
305 | extern void omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0, | |
306 | struct omap_sdrc_params *sdrc_cs1); | |
1ee47b0a B |
307 | struct omap2_hsmmc_info; |
308 | extern int omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers); | |
258ee922 | 309 | |
b2b9762f | 310 | #endif /* __ASSEMBLER__ */ |
4e65331c | 311 | #endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */ |