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
28 #include <linux/delay.h>
29 #include <plat/common.h>
31 #ifdef CONFIG_SOC_OMAP2420
32 extern void omap242x_map_common_io(void);
34 static inline void omap242x_map_common_io(void)
39 #ifdef CONFIG_SOC_OMAP2430
40 extern void omap243x_map_common_io(void);
42 static inline void omap243x_map_common_io(void)
47 #ifdef CONFIG_ARCH_OMAP3
48 extern void omap34xx_map_common_io(void);
50 static inline void omap34xx_map_common_io(void)
55 #ifdef CONFIG_SOC_OMAPTI81XX
56 extern void omapti81xx_map_common_io(void);
58 static inline void omapti81xx_map_common_io(void)
63 #ifdef CONFIG_SOC_OMAPAM33XX
64 extern void omapam33xx_map_common_io(void);
66 static inline void omapam33xx_map_common_io(void)
71 #ifdef CONFIG_ARCH_OMAP4
72 extern void omap44xx_map_common_io(void);
74 static inline void omap44xx_map_common_io(void)
79 extern void omap2_init_common_infrastructure(void);
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;
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 ti81xx_init_early(void);
94 void omap4430_init_early(void);
97 * IO bases for various OMAP processors
98 * Except the tap base, rest all the io bases
99 * listed are physical addresses.
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 */
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_ti81xx(void);
118 void omap2_set_globals_am33xx(void);
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 *);
126 void omap242x_map_io(void);
127 void omap243x_map_io(void);
128 void omap3_map_io(void);
129 void am33xx_map_io(void);
130 void omap4_map_io(void);
131 void ti81xx_map_io(void);
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)
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
144 #define omap_test_timeout(cond, timeout, index) \
146 for (index = 0; index < timeout; index++) { \
153 extern struct device *omap2_get_mpuss_device(void);
154 extern struct device *omap2_get_iva_device(void);
155 extern struct device *omap2_get_l3_device(void);
156 extern struct device *omap4_get_dsp_device(void);
158 void omap2_init_irq(void);
159 void omap3_init_irq(void);
160 void ti81xx_init_irq(void);
161 extern int omap_irq_pending(void);
162 void omap_intc_save_context(void);
163 void omap_intc_restore_context(void);
164 void omap3_intc_suspend(void);
165 void omap3_intc_prepare_idle(void);
166 void omap3_intc_resume_idle(void);
167 void omap2_intc_handle_irq(struct pt_regs *regs);
168 void omap3_intc_handle_irq(struct pt_regs *regs);
171 * wfi used in low power code. Directly opcode is used instead
172 * of instruction to avoid mulit-omap build break
174 #ifdef CONFIG_THUMB2_KERNEL
175 #define do_wfi() __asm__ __volatile__ ("wfi" : : : "memory")
178 __asm__ __volatile__ (".word 0xe320f003" : : : "memory")
181 #ifdef CONFIG_CACHE_L2X0
182 extern void __iomem *l2cache_base;
185 extern void __init gic_init_irq(void);
186 extern void omap_smc1(u32 fn, u32 arg);
189 /* Needed for secondary core boot */
190 extern void omap_secondary_startup(void);
191 extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask);
192 extern void omap_auxcoreboot_addr(u32 cpu_addr);
193 extern u32 omap_read_auxcoreboot0(void);
196 #endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */