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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 | |
27 | ||
28 | #include <linux/delay.h> | |
29 | #include <plat/common.h> | |
30 | ||
31 | #ifdef CONFIG_SOC_OMAP2420 | |
32 | extern void omap242x_map_common_io(void); | |
33 | #else | |
34 | static inline void omap242x_map_common_io(void) | |
35 | { | |
36 | } | |
37 | #endif | |
38 | ||
39 | #ifdef CONFIG_SOC_OMAP2430 | |
40 | extern void omap243x_map_common_io(void); | |
41 | #else | |
42 | static inline void omap243x_map_common_io(void) | |
43 | { | |
44 | } | |
45 | #endif | |
46 | ||
47 | #ifdef CONFIG_ARCH_OMAP3 | |
48 | extern void omap34xx_map_common_io(void); | |
49 | #else | |
50 | static inline void omap34xx_map_common_io(void) | |
51 | { | |
52 | } | |
53 | #endif | |
54 | ||
55 | #ifdef CONFIG_SOC_OMAPTI816X | |
56 | extern void omapti816x_map_common_io(void); | |
57 | #else | |
58 | static inline void omapti816x_map_common_io(void) | |
59 | { | |
60 | } | |
61 | #endif | |
62 | ||
1e6cb146 AM |
63 | #ifdef CONFIG_SOC_OMAPAM33XX |
64 | extern void omapam33xx_map_common_io(void); | |
65 | #else | |
66 | static inline void omapam33xx_map_common_io(void) | |
67 | { | |
68 | } | |
69 | #endif | |
70 | ||
4e65331c TL |
71 | #ifdef CONFIG_ARCH_OMAP4 |
72 | extern void omap44xx_map_common_io(void); | |
73 | #else | |
74 | static inline void omap44xx_map_common_io(void) | |
75 | { | |
76 | } | |
77 | #endif | |
78 | ||
79 | extern void omap2_init_common_infrastructure(void); | |
80 | ||
81 | extern struct sys_timer omap2_timer; | |
82 | extern struct sys_timer omap3_timer; | |
83 | extern struct sys_timer omap3_secure_timer; | |
84 | extern struct sys_timer omap4_timer; | |
85 | ||
86 | void omap2420_init_early(void); | |
87 | void omap2430_init_early(void); | |
88 | void omap3430_init_early(void); | |
89 | void omap35xx_init_early(void); | |
90 | void omap3630_init_early(void); | |
91 | void omap3_init_early(void); /* Do not use this one */ | |
92 | void am35xx_init_early(void); | |
93 | void ti816x_init_early(void); | |
94 | void omap4430_init_early(void); | |
95 | ||
96 | /* | |
97 | * IO bases for various OMAP processors | |
98 | * Except the tap base, rest all the io bases | |
99 | * listed are physical addresses. | |
100 | */ | |
101 | struct omap_globals { | |
102 | u32 class; /* OMAP class to detect */ | |
103 | void __iomem *tap; /* Control module ID code */ | |
104 | void __iomem *sdrc; /* SDRAM Controller */ | |
105 | void __iomem *sms; /* SDRAM Memory Scheduler */ | |
106 | void __iomem *ctrl; /* System Control Module */ | |
107 | void __iomem *ctrl_pad; /* PAD Control Module */ | |
108 | void __iomem *prm; /* Power and Reset Management */ | |
109 | void __iomem *cm; /* Clock Management */ | |
110 | void __iomem *cm2; | |
111 | }; | |
112 | ||
113 | void omap2_set_globals_242x(void); | |
114 | void omap2_set_globals_243x(void); | |
115 | void omap2_set_globals_3xxx(void); | |
116 | void omap2_set_globals_443x(void); | |
117 | void omap2_set_globals_ti816x(void); | |
1e6cb146 | 118 | void omap2_set_globals_am33xx(void); |
4e65331c TL |
119 | |
120 | /* These get called from omap2_set_globals_xxxx(), do not call these */ | |
121 | void omap2_set_globals_tap(struct omap_globals *); | |
122 | void omap2_set_globals_sdrc(struct omap_globals *); | |
123 | void omap2_set_globals_control(struct omap_globals *); | |
124 | void omap2_set_globals_prcm(struct omap_globals *); | |
125 | ||
126 | void omap242x_map_io(void); | |
127 | void omap243x_map_io(void); | |
128 | void omap3_map_io(void); | |
1e6cb146 | 129 | void am33xx_map_io(void); |
4e65331c TL |
130 | void omap4_map_io(void); |
131 | ||
132 | /** | |
133 | * omap_test_timeout - busy-loop, testing a condition | |
134 | * @cond: condition to test until it evaluates to true | |
135 | * @timeout: maximum number of microseconds in the timeout | |
136 | * @index: loop index (integer) | |
137 | * | |
138 | * Loop waiting for @cond to become true or until at least @timeout | |
139 | * microseconds have passed. To use, define some integer @index in the | |
140 | * calling code. After running, if @index == @timeout, then the loop has | |
141 | * timed out. | |
142 | */ | |
143 | #define omap_test_timeout(cond, timeout, index) \ | |
144 | ({ \ | |
145 | for (index = 0; index < timeout; index++) { \ | |
146 | if (cond) \ | |
147 | break; \ | |
148 | udelay(1); \ | |
149 | } \ | |
150 | }) | |
151 | ||
152 | extern struct device *omap2_get_mpuss_device(void); | |
153 | extern struct device *omap2_get_iva_device(void); | |
154 | extern struct device *omap2_get_l3_device(void); | |
155 | extern struct device *omap4_get_dsp_device(void); | |
156 | ||
157 | void omap2_init_irq(void); | |
158 | void omap3_init_irq(void); | |
159 | void ti816x_init_irq(void); | |
160 | extern int omap_irq_pending(void); | |
161 | void omap_intc_save_context(void); | |
162 | void omap_intc_restore_context(void); | |
163 | void omap3_intc_suspend(void); | |
164 | void omap3_intc_prepare_idle(void); | |
165 | void omap3_intc_resume_idle(void); | |
f88f4dd8 SS |
166 | void omap2_intc_handle_irq(struct pt_regs *regs); |
167 | void omap3_intc_handle_irq(struct pt_regs *regs); | |
4e65331c TL |
168 | |
169 | /* | |
170 | * wfi used in low power code. Directly opcode is used instead | |
171 | * of instruction to avoid mulit-omap build break | |
172 | */ | |
173 | #ifdef CONFIG_THUMB2_KERNEL | |
174 | #define do_wfi() __asm__ __volatile__ ("wfi" : : : "memory") | |
175 | #else | |
176 | #define do_wfi() \ | |
177 | __asm__ __volatile__ (".word 0xe320f003" : : : "memory") | |
178 | #endif | |
179 | ||
180 | #ifdef CONFIG_CACHE_L2X0 | |
181 | extern void __iomem *l2cache_base; | |
182 | #endif | |
183 | ||
4e65331c TL |
184 | extern void __init gic_init_irq(void); |
185 | extern void omap_smc1(u32 fn, u32 arg); | |
186 | ||
187 | #ifdef CONFIG_SMP | |
188 | /* Needed for secondary core boot */ | |
189 | extern void omap_secondary_startup(void); | |
190 | extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask); | |
191 | extern void omap_auxcoreboot_addr(u32 cpu_addr); | |
192 | extern u32 omap_read_auxcoreboot0(void); | |
193 | #endif | |
194 | ||
195 | #endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */ |