aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap2/common.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-omap2/common.h')
-rw-r--r--arch/arm/mach-omap2/common.h185
1 files changed, 185 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h
new file mode 100644
index 000000000000..012bac7d56a5
--- /dev/null
+++ b/arch/arm/mach-omap2/common.h
@@ -0,0 +1,185 @@
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
32extern void omap242x_map_common_io(void);
33#else
34static inline void omap242x_map_common_io(void)
35{
36}
37#endif
38
39#ifdef CONFIG_SOC_OMAP2430
40extern void omap243x_map_common_io(void);
41#else
42static inline void omap243x_map_common_io(void)
43{
44}
45#endif
46
47#ifdef CONFIG_ARCH_OMAP3
48extern void omap34xx_map_common_io(void);
49#else
50static inline void omap34xx_map_common_io(void)
51{
52}
53#endif
54
55#ifdef CONFIG_SOC_OMAPTI816X
56extern void omapti816x_map_common_io(void);
57#else
58static inline void omapti816x_map_common_io(void)
59{
60}
61#endif
62
63#ifdef CONFIG_ARCH_OMAP4
64extern void omap44xx_map_common_io(void);
65#else
66static inline void omap44xx_map_common_io(void)
67{
68}
69#endif
70
71extern void omap2_init_common_infrastructure(void);
72
73extern struct sys_timer omap2_timer;
74extern struct sys_timer omap3_timer;
75extern struct sys_timer omap3_secure_timer;
76extern struct sys_timer omap4_timer;
77
78void omap2420_init_early(void);
79void omap2430_init_early(void);
80void omap3430_init_early(void);
81void omap35xx_init_early(void);
82void omap3630_init_early(void);
83void omap3_init_early(void); /* Do not use this one */
84void am35xx_init_early(void);
85void ti816x_init_early(void);
86void omap4430_init_early(void);
87
88/*
89 * IO bases for various OMAP processors
90 * Except the tap base, rest all the io bases
91 * listed are physical addresses.
92 */
93struct omap_globals {
94 u32 class; /* OMAP class to detect */
95 void __iomem *tap; /* Control module ID code */
96 void __iomem *sdrc; /* SDRAM Controller */
97 void __iomem *sms; /* SDRAM Memory Scheduler */
98 void __iomem *ctrl; /* System Control Module */
99 void __iomem *ctrl_pad; /* PAD Control Module */
100 void __iomem *prm; /* Power and Reset Management */
101 void __iomem *cm; /* Clock Management */
102 void __iomem *cm2;
103};
104
105void omap2_set_globals_242x(void);
106void omap2_set_globals_243x(void);
107void omap2_set_globals_3xxx(void);
108void omap2_set_globals_443x(void);
109void omap2_set_globals_ti816x(void);
110
111/* These get called from omap2_set_globals_xxxx(), do not call these */
112void omap2_set_globals_tap(struct omap_globals *);
113void omap2_set_globals_sdrc(struct omap_globals *);
114void omap2_set_globals_control(struct omap_globals *);
115void omap2_set_globals_prcm(struct omap_globals *);
116
117void omap242x_map_io(void);
118void omap243x_map_io(void);
119void omap3_map_io(void);
120void omap4_map_io(void);
121
122/**
123 * omap_test_timeout - busy-loop, testing a condition
124 * @cond: condition to test until it evaluates to true
125 * @timeout: maximum number of microseconds in the timeout
126 * @index: loop index (integer)
127 *
128 * Loop waiting for @cond to become true or until at least @timeout
129 * microseconds have passed. To use, define some integer @index in the
130 * calling code. After running, if @index == @timeout, then the loop has
131 * timed out.
132 */
133#define omap_test_timeout(cond, timeout, index) \
134({ \
135 for (index = 0; index < timeout; index++) { \
136 if (cond) \
137 break; \
138 udelay(1); \
139 } \
140})
141
142extern struct device *omap2_get_mpuss_device(void);
143extern struct device *omap2_get_iva_device(void);
144extern struct device *omap2_get_l3_device(void);
145extern struct device *omap4_get_dsp_device(void);
146
147void omap2_init_irq(void);
148void omap3_init_irq(void);
149void ti816x_init_irq(void);
150extern int omap_irq_pending(void);
151void omap_intc_save_context(void);
152void omap_intc_restore_context(void);
153void omap3_intc_suspend(void);
154void omap3_intc_prepare_idle(void);
155void omap3_intc_resume_idle(void);
156void omap2_intc_handle_irq(struct pt_regs *regs);
157void omap3_intc_handle_irq(struct pt_regs *regs);
158
159/*
160 * wfi used in low power code. Directly opcode is used instead
161 * of instruction to avoid mulit-omap build break
162 */
163#ifdef CONFIG_THUMB2_KERNEL
164#define do_wfi() __asm__ __volatile__ ("wfi" : : : "memory")
165#else
166#define do_wfi() \
167 __asm__ __volatile__ (".word 0xe320f003" : : : "memory")
168#endif
169
170#ifdef CONFIG_CACHE_L2X0
171extern void __iomem *l2cache_base;
172#endif
173
174extern void __init gic_init_irq(void);
175extern void omap_smc1(u32 fn, u32 arg);
176
177#ifdef CONFIG_SMP
178/* Needed for secondary core boot */
179extern void omap_secondary_startup(void);
180extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask);
181extern void omap_auxcoreboot_addr(u32 cpu_addr);
182extern u32 omap_read_auxcoreboot0(void);
183#endif
184
185#endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-01 22:33:50 -0400