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/delay.h>
30 #include <linux/i2c/twl.h>
31 #include <plat/common.h>
32 #include <asm/proc-fns.h>
34 #ifdef CONFIG_SOC_OMAP2420
35 extern void omap242x_map_common_io(void);
37 static inline void omap242x_map_common_io(void)
42 #ifdef CONFIG_SOC_OMAP2430
43 extern void omap243x_map_common_io(void);
45 static inline void omap243x_map_common_io(void)
50 #ifdef CONFIG_ARCH_OMAP3
51 extern void omap34xx_map_common_io(void);
53 static inline void omap34xx_map_common_io(void)
58 #ifdef CONFIG_SOC_TI81XX
59 extern void omapti81xx_map_common_io(void);
61 static inline void omapti81xx_map_common_io(void)
66 #ifdef CONFIG_SOC_AM33XX
67 extern void omapam33xx_map_common_io(void);
69 static inline void omapam33xx_map_common_io(void)
74 #ifdef CONFIG_ARCH_OMAP4
75 extern void omap44xx_map_common_io(void);
77 static inline void omap44xx_map_common_io(void)
82 #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP2)
83 int omap2_pm_init(void);
85 static inline int omap2_pm_init(void)
91 #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3)
92 int omap3_pm_init(void);
94 static inline int omap3_pm_init(void)
100 #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP4)
101 int omap4_pm_init(void);
103 static inline int omap4_pm_init(void)
109 #ifdef CONFIG_OMAP_MUX
110 int omap_mux_late_init(void);
112 static inline int omap_mux_late_init(void)
118 extern void omap2_init_common_infrastructure(void);
120 extern struct sys_timer omap2_timer
;
121 extern struct sys_timer omap3_timer
;
122 extern struct sys_timer omap3_secure_timer
;
123 extern struct sys_timer omap3_am33xx_timer
;
124 extern struct sys_timer omap4_timer
;
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 */
132 void am33xx_init_early(void);
133 void am35xx_init_early(void);
134 void ti81xx_init_early(void);
135 void am33xx_init_early(void);
136 void omap4430_init_early(void);
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);
148 void omap_prcm_restart(char, const char *);
151 * IO bases for various OMAP processors
152 * Except the tap base, rest all the io bases
153 * listed are physical addresses.
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 */
165 void __iomem
*prcm_mpu
;
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);
172 void omap2_set_globals_ti81xx(void);
173 void omap2_set_globals_am33xx(void);
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
*);
181 void omap242x_map_io(void);
182 void omap243x_map_io(void);
183 void omap3_map_io(void);
184 void am33xx_map_io(void);
185 void omap4_map_io(void);
186 void ti81xx_map_io(void);
187 void omap_barriers_init(void);
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)
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
200 #define omap_test_timeout(cond, timeout, index) \
202 for (index = 0; index < timeout; index++) { \
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);
214 void omap2_init_irq(void);
215 void omap3_init_irq(void);
216 void ti81xx_init_irq(void);
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);
223 void omap2_intc_handle_irq(struct pt_regs
*regs
);
224 void omap3_intc_handle_irq(struct pt_regs
*regs
);
226 #ifdef CONFIG_CACHE_L2X0
227 extern void __iomem
*omap4_get_l2cache_base(void);
232 int __init
omap_intc_of_init(struct device_node
*node
,
233 struct device_node
*parent
);
235 int __init
omap_intc_of_init(struct device_node
*node
,
236 struct device_node
*parent
)
243 extern void __iomem
*omap4_get_scu_base(void);
245 static inline void __iomem
*omap4_get_scu_base(void)
251 extern void __init
gic_init_irq(void);
252 extern void omap_smc1(u32 fn
, u32 arg
);
253 extern void __iomem
*omap4_get_sar_ram_base(void);
254 extern void omap_do_wfi(void);
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);
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);
269 extern int omap4_hotplug_cpu(unsigned int cpu
, unsigned int power_state
);
270 extern u32
omap4_mpuss_read_prev_context_state(void);
272 static inline int omap4_enter_lowpower(unsigned int cpu
,
273 unsigned int power_state
)
279 static inline int omap4_hotplug_cpu(unsigned int cpu
, unsigned int power_state
)
285 static inline int omap4_mpuss_init(void)
290 static inline int omap4_finish_suspend(unsigned long cpu_state
)
295 static inline void omap4_cpu_resume(void)
298 static inline u32
omap4_mpuss_read_prev_context_state(void)
304 struct omap_sdrc_params
;
305 extern void omap_sdrc_init(struct omap_sdrc_params
*sdrc_cs0
,
306 struct omap_sdrc_params
*sdrc_cs1
);
307 struct omap2_hsmmc_info
;
308 extern int omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info
*controllers
);
310 #endif /* __ASSEMBLER__ */
311 #endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */