blob: 4b2b416fafe18e57119d6d61a89aff397eb8a6e9 [file] [log] [blame]
Tony Lindgren4e653312011-11-10 22:45:17 +01001/*
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
Hemant Pedanekara9203602011-12-13 10:46:44 -080055#ifdef CONFIG_SOC_OMAPTI81XX
56extern void omapti81xx_map_common_io(void);
Tony Lindgren4e653312011-11-10 22:45:17 +010057#else
Hemant Pedanekara9203602011-12-13 10:46:44 -080058static inline void omapti81xx_map_common_io(void)
Tony Lindgren4e653312011-11-10 22:45:17 +010059{
60}
61#endif
62
Afzal Mohammed1e6cb142011-12-13 10:46:43 -080063#ifdef CONFIG_SOC_OMAPAM33XX
64extern void omapam33xx_map_common_io(void);
65#else
66static inline void omapam33xx_map_common_io(void)
67{
68}
69#endif
70
Tony Lindgren4e653312011-11-10 22:45:17 +010071#ifdef CONFIG_ARCH_OMAP4
72extern void omap44xx_map_common_io(void);
73#else
74static inline void omap44xx_map_common_io(void)
75{
76}
77#endif
78
79extern void omap2_init_common_infrastructure(void);
80
81extern struct sys_timer omap2_timer;
82extern struct sys_timer omap3_timer;
83extern struct sys_timer omap3_secure_timer;
84extern struct sys_timer omap4_timer;
85
86void omap2420_init_early(void);
87void omap2430_init_early(void);
88void omap3430_init_early(void);
89void omap35xx_init_early(void);
90void omap3630_init_early(void);
91void omap3_init_early(void); /* Do not use this one */
92void am35xx_init_early(void);
Hemant Pedanekara9203602011-12-13 10:46:44 -080093void ti81xx_init_early(void);
Tony Lindgren4e653312011-11-10 22:45:17 +010094void 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 */
101struct 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
113void omap2_set_globals_242x(void);
114void omap2_set_globals_243x(void);
115void omap2_set_globals_3xxx(void);
116void omap2_set_globals_443x(void);
Hemant Pedanekara9203602011-12-13 10:46:44 -0800117void omap2_set_globals_ti81xx(void);
Afzal Mohammed1e6cb142011-12-13 10:46:43 -0800118void omap2_set_globals_am33xx(void);
Tony Lindgren4e653312011-11-10 22:45:17 +0100119
120/* These get called from omap2_set_globals_xxxx(), do not call these */
121void omap2_set_globals_tap(struct omap_globals *);
122void omap2_set_globals_sdrc(struct omap_globals *);
123void omap2_set_globals_control(struct omap_globals *);
124void omap2_set_globals_prcm(struct omap_globals *);
125
126void omap242x_map_io(void);
127void omap243x_map_io(void);
128void omap3_map_io(void);
Afzal Mohammed1e6cb142011-12-13 10:46:43 -0800129void am33xx_map_io(void);
Tony Lindgren4e653312011-11-10 22:45:17 +0100130void omap4_map_io(void);
Hemant Pedanekara9203602011-12-13 10:46:44 -0800131void ti81xx_map_io(void);
Tony Lindgren4e653312011-11-10 22:45:17 +0100132
133/**
134 * omap_test_timeout - busy-loop, testing a condition
135 * @cond: condition to test until it evaluates to true
136 * @timeout: maximum number of microseconds in the timeout
137 * @index: loop index (integer)
138 *
139 * Loop waiting for @cond to become true or until at least @timeout
140 * microseconds have passed. To use, define some integer @index in the
141 * calling code. After running, if @index == @timeout, then the loop has
142 * timed out.
143 */
144#define omap_test_timeout(cond, timeout, index) \
145({ \
146 for (index = 0; index < timeout; index++) { \
147 if (cond) \
148 break; \
149 udelay(1); \
150 } \
151})
152
153extern struct device *omap2_get_mpuss_device(void);
154extern struct device *omap2_get_iva_device(void);
155extern struct device *omap2_get_l3_device(void);
156extern struct device *omap4_get_dsp_device(void);
157
158void omap2_init_irq(void);
159void omap3_init_irq(void);
Hemant Pedanekara9203602011-12-13 10:46:44 -0800160void ti81xx_init_irq(void);
Tony Lindgren4e653312011-11-10 22:45:17 +0100161extern int omap_irq_pending(void);
162void omap_intc_save_context(void);
163void omap_intc_restore_context(void);
164void omap3_intc_suspend(void);
165void omap3_intc_prepare_idle(void);
166void omap3_intc_resume_idle(void);
Santosh Shilimkarf88f4dd2011-12-05 09:44:58 +0100167void omap2_intc_handle_irq(struct pt_regs *regs);
168void omap3_intc_handle_irq(struct pt_regs *regs);
Tony Lindgren4e653312011-11-10 22:45:17 +0100169
170/*
171 * wfi used in low power code. Directly opcode is used instead
172 * of instruction to avoid mulit-omap build break
173 */
174#ifdef CONFIG_THUMB2_KERNEL
175#define do_wfi() __asm__ __volatile__ ("wfi" : : : "memory")
176#else
177#define do_wfi() \
178 __asm__ __volatile__ (".word 0xe320f003" : : : "memory")
179#endif
180
181#ifdef CONFIG_CACHE_L2X0
182extern void __iomem *l2cache_base;
183#endif
184
Tony Lindgren4e653312011-11-10 22:45:17 +0100185extern void __init gic_init_irq(void);
186extern void omap_smc1(u32 fn, u32 arg);
187
188#ifdef CONFIG_SMP
189/* Needed for secondary core boot */
190extern void omap_secondary_startup(void);
191extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask);
192extern void omap_auxcoreboot_addr(u32 cpu_addr);
193extern u32 omap_read_auxcoreboot0(void);
194#endif
195
196#endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */