2 * Header for code common to all OMAP2+ machines.
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.
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.
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.
25 #ifndef __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H
26 #define __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H
29 #include <linux/irq.h>
30 #include <linux/delay.h>
31 #include <linux/i2c/twl.h>
33 #include <asm/proc-fns.h>
36 #include <plat/serial.h>
37 #include <plat/common.h>
39 #define OMAP_INTC_START NR_IRQS
41 #ifdef CONFIG_SOC_OMAP2420
42 extern void omap242x_map_common_io(void);
44 static inline void omap242x_map_common_io(void)
49 #ifdef CONFIG_SOC_OMAP2430
50 extern void omap243x_map_common_io(void);
52 static inline void omap243x_map_common_io(void)
57 #ifdef CONFIG_ARCH_OMAP3
58 extern void omap34xx_map_common_io(void);
60 static inline void omap34xx_map_common_io(void)
65 #ifdef CONFIG_SOC_TI81XX
66 extern void omapti81xx_map_common_io(void);
68 static inline void omapti81xx_map_common_io(void)
73 #ifdef CONFIG_SOC_AM33XX
74 extern void omapam33xx_map_common_io(void);
76 static inline void omapam33xx_map_common_io(void)
81 #ifdef CONFIG_ARCH_OMAP4
82 extern void omap44xx_map_common_io(void);
84 static inline void omap44xx_map_common_io(void)
89 #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP2)
90 int omap2_pm_init(void);
92 static inline int omap2_pm_init(void)
98 #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3)
99 int omap3_pm_init(void);
101 static inline int omap3_pm_init(void)
107 #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP4)
108 int omap4_pm_init(void);
110 static inline int omap4_pm_init(void)
116 #ifdef CONFIG_OMAP_MUX
117 int omap_mux_late_init(void);
119 static inline int omap_mux_late_init(void)
125 #ifdef CONFIG_SOC_OMAP5
126 extern void omap5_map_common_io(void);
128 static inline void omap5_map_common_io(void)
133 extern void omap2_init_common_infrastructure(void);
135 extern struct sys_timer omap2_timer
;
136 extern struct sys_timer omap3_timer
;
137 extern struct sys_timer omap3_secure_timer
;
138 extern struct sys_timer omap3_am33xx_timer
;
139 extern struct sys_timer omap4_timer
;
140 extern struct sys_timer omap5_timer
;
142 void omap2420_init_early(void);
143 void omap2430_init_early(void);
144 void omap3430_init_early(void);
145 void omap35xx_init_early(void);
146 void omap3630_init_early(void);
147 void omap3_init_early(void); /* Do not use this one */
148 void am33xx_init_early(void);
149 void am35xx_init_early(void);
150 void ti81xx_init_early(void);
151 void am33xx_init_early(void);
152 void omap4430_init_early(void);
153 void omap5_init_early(void);
154 void omap3_init_late(void); /* Do not use this one */
155 void omap4430_init_late(void);
156 void omap2420_init_late(void);
157 void omap2430_init_late(void);
158 void omap3430_init_late(void);
159 void omap35xx_init_late(void);
160 void omap3630_init_late(void);
161 void am35xx_init_late(void);
162 void ti81xx_init_late(void);
163 void omap4430_init_late(void);
164 int omap2_common_pm_late_init(void);
165 void omap_prcm_restart(char, const char *);
168 * IO bases for various OMAP processors
169 * Except the tap base, rest all the io bases
170 * listed are physical addresses.
172 struct omap_globals
{
173 u32
class; /* OMAP class to detect */
174 void __iomem
*tap
; /* Control module ID code */
175 void __iomem
*sdrc
; /* SDRAM Controller */
176 void __iomem
*sms
; /* SDRAM Memory Scheduler */
177 void __iomem
*ctrl
; /* System Control Module */
178 void __iomem
*ctrl_pad
; /* PAD Control Module */
179 void __iomem
*prm
; /* Power and Reset Management */
180 void __iomem
*cm
; /* Clock Management */
182 void __iomem
*prcm_mpu
;
185 void omap2_set_globals_242x(void);
186 void omap2_set_globals_243x(void);
187 void omap2_set_globals_3xxx(void);
188 void omap2_set_globals_443x(void);
189 void omap2_set_globals_5xxx(void);
190 void omap2_set_globals_ti81xx(void);
191 void omap2_set_globals_am33xx(void);
193 /* These get called from omap2_set_globals_xxxx(), do not call these */
194 void omap2_set_globals_tap(struct omap_globals
*);
195 #if defined(CONFIG_SOC_HAS_OMAP2_SDRC)
196 void omap2_set_globals_sdrc(struct omap_globals
*);
198 static inline void omap2_set_globals_sdrc(struct omap_globals
*omap2_globals
)
201 void omap2_set_globals_control(struct omap_globals
*);
202 void omap2_set_globals_prcm(struct omap_globals
*);
204 void omap242x_map_io(void);
205 void omap243x_map_io(void);
206 void omap3_map_io(void);
207 void am33xx_map_io(void);
208 void omap4_map_io(void);
209 void omap5_map_io(void);
210 void ti81xx_map_io(void);
211 void omap_barriers_init(void);
214 * omap_test_timeout - busy-loop, testing a condition
215 * @cond: condition to test until it evaluates to true
216 * @timeout: maximum number of microseconds in the timeout
217 * @index: loop index (integer)
219 * Loop waiting for @cond to become true or until at least @timeout
220 * microseconds have passed. To use, define some integer @index in the
221 * calling code. After running, if @index == @timeout, then the loop has
224 #define omap_test_timeout(cond, timeout, index) \
226 for (index = 0; index < timeout; index++) { \
233 extern struct device
*omap2_get_mpuss_device(void);
234 extern struct device
*omap2_get_iva_device(void);
235 extern struct device
*omap2_get_l3_device(void);
236 extern struct device
*omap4_get_dsp_device(void);
238 void omap2_init_irq(void);
239 void omap3_init_irq(void);
240 void ti81xx_init_irq(void);
241 extern int omap_irq_pending(void);
242 void omap_intc_save_context(void);
243 void omap_intc_restore_context(void);
244 void omap3_intc_suspend(void);
245 void omap3_intc_prepare_idle(void);
246 void omap3_intc_resume_idle(void);
247 void omap2_intc_handle_irq(struct pt_regs
*regs
);
248 void omap3_intc_handle_irq(struct pt_regs
*regs
);
249 void omap_intc_of_init(void);
250 void omap_gic_of_init(void);
252 #ifdef CONFIG_CACHE_L2X0
253 extern void __iomem
*omap4_get_l2cache_base(void);
258 int __init
intc_of_init(struct device_node
*node
,
259 struct device_node
*parent
);
261 int __init
intc_of_init(struct device_node
*node
,
262 struct device_node
*parent
)
269 extern void __iomem
*omap4_get_scu_base(void);
271 static inline void __iomem
*omap4_get_scu_base(void)
277 extern void __init
gic_init_irq(void);
278 extern void omap_smc1(u32 fn
, u32 arg
);
279 extern void __iomem
*omap4_get_sar_ram_base(void);
280 extern void omap_do_wfi(void);
283 /* Needed for secondary core boot */
284 extern void omap_secondary_startup(void);
285 extern u32
omap_modify_auxcoreboot0(u32 set_mask
, u32 clear_mask
);
286 extern void omap_auxcoreboot_addr(u32 cpu_addr
);
287 extern u32
omap_read_auxcoreboot0(void);
289 extern void omap4_cpu_die(unsigned int cpu
);
291 extern struct smp_operations omap4_smp_ops
;
293 extern void omap5_secondary_startup(void);
296 #if defined(CONFIG_SMP) && defined(CONFIG_PM)
297 extern int omap4_mpuss_init(void);
298 extern int omap4_enter_lowpower(unsigned int cpu
, unsigned int power_state
);
299 extern int omap4_finish_suspend(unsigned long cpu_state
);
300 extern void omap4_cpu_resume(void);
301 extern int omap4_hotplug_cpu(unsigned int cpu
, unsigned int power_state
);
302 extern u32
omap4_mpuss_read_prev_context_state(void);
304 static inline int omap4_enter_lowpower(unsigned int cpu
,
305 unsigned int power_state
)
311 static inline int omap4_hotplug_cpu(unsigned int cpu
, unsigned int power_state
)
317 static inline int omap4_mpuss_init(void)
322 static inline int omap4_finish_suspend(unsigned long cpu_state
)
327 static inline void omap4_cpu_resume(void)
330 static inline u32
omap4_mpuss_read_prev_context_state(void)
336 struct omap_sdrc_params
;
337 extern void omap_sdrc_init(struct omap_sdrc_params
*sdrc_cs0
,
338 struct omap_sdrc_params
*sdrc_cs1
);
339 struct omap2_hsmmc_info
;
340 extern int omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info
*controllers
);
342 #endif /* __ASSEMBLER__ */
343 #endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */