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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> | |
30 | #include <plat/common.h> | |
b2b9762f | 31 | #include <asm/proc-fns.h> |
4e65331c TL |
32 | |
33 | #ifdef CONFIG_SOC_OMAP2420 | |
34 | extern void omap242x_map_common_io(void); | |
35 | #else | |
36 | static inline void omap242x_map_common_io(void) | |
37 | { | |
38 | } | |
39 | #endif | |
40 | ||
41 | #ifdef CONFIG_SOC_OMAP2430 | |
42 | extern void omap243x_map_common_io(void); | |
43 | #else | |
44 | static inline void omap243x_map_common_io(void) | |
45 | { | |
46 | } | |
47 | #endif | |
48 | ||
49 | #ifdef CONFIG_ARCH_OMAP3 | |
50 | extern void omap34xx_map_common_io(void); | |
51 | #else | |
52 | static inline void omap34xx_map_common_io(void) | |
53 | { | |
54 | } | |
55 | #endif | |
56 | ||
57 | #ifdef CONFIG_SOC_OMAPTI816X | |
58 | extern void omapti816x_map_common_io(void); | |
59 | #else | |
60 | static inline void omapti816x_map_common_io(void) | |
61 | { | |
62 | } | |
63 | #endif | |
64 | ||
65 | #ifdef CONFIG_ARCH_OMAP4 | |
66 | extern void omap44xx_map_common_io(void); | |
67 | #else | |
68 | static inline void omap44xx_map_common_io(void) | |
69 | { | |
70 | } | |
71 | #endif | |
72 | ||
73 | extern void omap2_init_common_infrastructure(void); | |
74 | ||
75 | extern struct sys_timer omap2_timer; | |
76 | extern struct sys_timer omap3_timer; | |
77 | extern struct sys_timer omap3_secure_timer; | |
78 | extern struct sys_timer omap4_timer; | |
79 | ||
80 | void omap2420_init_early(void); | |
81 | void omap2430_init_early(void); | |
82 | void omap3430_init_early(void); | |
83 | void omap35xx_init_early(void); | |
84 | void omap3630_init_early(void); | |
85 | void omap3_init_early(void); /* Do not use this one */ | |
86 | void am35xx_init_early(void); | |
87 | void ti816x_init_early(void); | |
88 | void omap4430_init_early(void); | |
89 | ||
90 | /* | |
91 | * IO bases for various OMAP processors | |
92 | * Except the tap base, rest all the io bases | |
93 | * listed are physical addresses. | |
94 | */ | |
95 | struct omap_globals { | |
96 | u32 class; /* OMAP class to detect */ | |
97 | void __iomem *tap; /* Control module ID code */ | |
98 | void __iomem *sdrc; /* SDRAM Controller */ | |
99 | void __iomem *sms; /* SDRAM Memory Scheduler */ | |
100 | void __iomem *ctrl; /* System Control Module */ | |
101 | void __iomem *ctrl_pad; /* PAD Control Module */ | |
102 | void __iomem *prm; /* Power and Reset Management */ | |
103 | void __iomem *cm; /* Clock Management */ | |
104 | void __iomem *cm2; | |
105 | }; | |
106 | ||
107 | void omap2_set_globals_242x(void); | |
108 | void omap2_set_globals_243x(void); | |
109 | void omap2_set_globals_3xxx(void); | |
110 | void omap2_set_globals_443x(void); | |
111 | void omap2_set_globals_ti816x(void); | |
112 | ||
113 | /* These get called from omap2_set_globals_xxxx(), do not call these */ | |
114 | void omap2_set_globals_tap(struct omap_globals *); | |
115 | void omap2_set_globals_sdrc(struct omap_globals *); | |
116 | void omap2_set_globals_control(struct omap_globals *); | |
117 | void omap2_set_globals_prcm(struct omap_globals *); | |
118 | ||
119 | void omap242x_map_io(void); | |
120 | void omap243x_map_io(void); | |
121 | void omap3_map_io(void); | |
122 | void omap4_map_io(void); | |
123 | ||
124 | /** | |
125 | * omap_test_timeout - busy-loop, testing a condition | |
126 | * @cond: condition to test until it evaluates to true | |
127 | * @timeout: maximum number of microseconds in the timeout | |
128 | * @index: loop index (integer) | |
129 | * | |
130 | * Loop waiting for @cond to become true or until at least @timeout | |
131 | * microseconds have passed. To use, define some integer @index in the | |
132 | * calling code. After running, if @index == @timeout, then the loop has | |
133 | * timed out. | |
134 | */ | |
135 | #define omap_test_timeout(cond, timeout, index) \ | |
136 | ({ \ | |
137 | for (index = 0; index < timeout; index++) { \ | |
138 | if (cond) \ | |
139 | break; \ | |
140 | udelay(1); \ | |
141 | } \ | |
142 | }) | |
143 | ||
144 | extern struct device *omap2_get_mpuss_device(void); | |
145 | extern struct device *omap2_get_iva_device(void); | |
146 | extern struct device *omap2_get_l3_device(void); | |
147 | extern struct device *omap4_get_dsp_device(void); | |
148 | ||
149 | void omap2_init_irq(void); | |
150 | void omap3_init_irq(void); | |
151 | void ti816x_init_irq(void); | |
152 | extern int omap_irq_pending(void); | |
153 | void omap_intc_save_context(void); | |
154 | void omap_intc_restore_context(void); | |
155 | void omap3_intc_suspend(void); | |
156 | void omap3_intc_prepare_idle(void); | |
157 | void omap3_intc_resume_idle(void); | |
f88f4dd8 SS |
158 | void omap2_intc_handle_irq(struct pt_regs *regs); |
159 | void omap3_intc_handle_irq(struct pt_regs *regs); | |
4e65331c | 160 | |
4e65331c | 161 | #ifdef CONFIG_CACHE_L2X0 |
02afe8a7 SS |
162 | extern void __iomem *omap4_get_l2cache_base(void); |
163 | #endif | |
164 | ||
165 | #ifdef CONFIG_SMP | |
166 | extern void __iomem *omap4_get_scu_base(void); | |
167 | #else | |
168 | static inline void __iomem *omap4_get_scu_base(void) | |
169 | { | |
170 | return NULL; | |
171 | } | |
4e65331c TL |
172 | #endif |
173 | ||
4e65331c TL |
174 | extern void __init gic_init_irq(void); |
175 | extern void omap_smc1(u32 fn, u32 arg); | |
501f0c75 | 176 | extern void __iomem *omap4_get_sar_ram_base(void); |
b2b9762f | 177 | extern void omap_do_wfi(void); |
4e65331c TL |
178 | |
179 | #ifdef CONFIG_SMP | |
180 | /* Needed for secondary core boot */ | |
181 | extern void omap_secondary_startup(void); | |
182 | extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask); | |
183 | extern void omap_auxcoreboot_addr(u32 cpu_addr); | |
184 | extern u32 omap_read_auxcoreboot0(void); | |
185 | #endif | |
186 | ||
b2b9762f SS |
187 | #if defined(CONFIG_SMP) && defined(CONFIG_PM) |
188 | extern int omap4_mpuss_init(void); | |
189 | extern int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state); | |
190 | extern int omap4_finish_suspend(unsigned long cpu_state); | |
191 | extern void omap4_cpu_resume(void); | |
b5b4f288 | 192 | extern int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state); |
b2b9762f SS |
193 | #else |
194 | static inline int omap4_enter_lowpower(unsigned int cpu, | |
195 | unsigned int power_state) | |
196 | { | |
197 | cpu_do_idle(); | |
198 | return 0; | |
199 | } | |
200 | ||
b5b4f288 SS |
201 | static inline int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state) |
202 | { | |
203 | cpu_do_idle(); | |
204 | return 0; | |
205 | } | |
206 | ||
b2b9762f SS |
207 | static inline int omap4_mpuss_init(void) |
208 | { | |
209 | return 0; | |
210 | } | |
211 | ||
212 | static inline int omap4_finish_suspend(unsigned long cpu_state) | |
213 | { | |
214 | return 0; | |
215 | } | |
216 | ||
217 | static inline void omap4_cpu_resume(void) | |
218 | {} | |
219 | #endif | |
220 | #endif /* __ASSEMBLER__ */ | |
4e65331c | 221 | #endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */ |