[mirror_ubuntu-eoan-kernel.git] / arch / arm / plat-omap / include / plat / common.h

/*
 * arch/arm/plat-omap/include/mach/common.h
 *
 * Header for code common to all OMAP machines.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * You should have received a copy of the  GNU General Public License along
 * with this program; if not, write  to the Free Software Foundation, Inc.,
 * 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef __ARCH_ARM_MACH_OMAP_COMMON_H
#define __ARCH_ARM_MACH_OMAP_COMMON_H

#include <linux/delay.h>

#include <plat/i2c.h>
#include <plat/omap_hwmod.h>

struct sys_timer;

extern void omap_map_common_io(void);
extern struct sys_timer omap1_timer;
extern struct sys_timer omap2_timer;
extern struct sys_timer omap3_timer;
extern struct sys_timer omap3_secure_timer;
extern struct sys_timer omap4_timer;
extern bool omap_32k_timer_init(void);
extern int __init omap_init_clocksource_32k(void);
extern unsigned long long notrace omap_32k_sched_clock(void);

extern void omap_reserve(void);

void omap2420_init_early(void);
void omap2430_init_early(void);
void omap3430_init_early(void);
void omap35xx_init_early(void);
void omap3630_init_early(void);
void omap3_init_early(void);	/* Do not use this one */
void am35xx_init_early(void);
void ti816x_init_early(void);
void omap4430_init_early(void);

extern int omap_dss_reset(struct omap_hwmod *);

void omap_sram_init(void);

/*
 * IO bases for various OMAP processors
 * Except the tap base, rest all the io bases
 * listed are physical addresses.
 */
struct omap_globals {
	u32		class;		/* OMAP class to detect */
	void __iomem	*tap;		/* Control module ID code */
	void __iomem	*sdrc;           /* SDRAM Controller */
	void __iomem	*sms;            /* SDRAM Memory Scheduler */
	void __iomem	*ctrl;           /* System Control Module */
	void __iomem	*ctrl_pad;	/* PAD Control Module */
	void __iomem	*prm;            /* Power and Reset Management */
	void __iomem	*cm;             /* Clock Management */
	void __iomem	*cm2;
};

void omap2_set_globals_242x(void);
void omap2_set_globals_243x(void);
void omap2_set_globals_3xxx(void);
void omap2_set_globals_443x(void);
void omap2_set_globals_ti816x(void);

/* These get called from omap2_set_globals_xxxx(), do not call these */
void omap2_set_globals_tap(struct omap_globals *);
void omap2_set_globals_sdrc(struct omap_globals *);
void omap2_set_globals_control(struct omap_globals *);
void omap2_set_globals_prcm(struct omap_globals *);

void omap242x_map_io(void);
void omap243x_map_io(void);
void omap3_map_io(void);
void omap4_map_io(void);


/**
 * omap_test_timeout - busy-loop, testing a condition
 * @cond: condition to test until it evaluates to true
 * @timeout: maximum number of microseconds in the timeout
 * @index: loop index (integer)
 *
 * Loop waiting for @cond to become true or until at least @timeout
 * microseconds have passed.  To use, define some integer @index in the
 * calling code.  After running, if @index == @timeout, then the loop has
 * timed out.
 */
#define omap_test_timeout(cond, timeout, index)			\
({								\
	for (index = 0; index < timeout; index++) {		\
		if (cond)					\
			break;					\
		udelay(1);					\
	}							\
})

extern struct device *omap2_get_mpuss_device(void);
extern struct device *omap2_get_iva_device(void);
extern struct device *omap2_get_l3_device(void);
extern struct device *omap4_get_dsp_device(void);

#endif /* __ARCH_ARM_MACH_OMAP_COMMON_H */
Commit	Line	Data
5e1c5ff4	1	/*
a09e64fb	2	* arch/arm/plat-omap/include/mach/common.h
5e1c5ff4 TL	3	*
	4	* Header for code common to all OMAP machines.
	5	*
	6	* This program is free software; you can redistribute it and/or modify it
	7	* under the terms of the GNU General Public License as published by the
	8	* Free Software Foundation; either version 2 of the License, or (at your
	9	* option) any later version.
	10	*
	11	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
	12	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
	13	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
	14	* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	15	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	16	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
	17	* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
	18	* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	19	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	20	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	21	*
	22	* You should have received a copy of the GNU General Public License along
	23	* with this program; if not, write to the Free Software Foundation, Inc.,
	24	* 675 Mass Ave, Cambridge, MA 02139, USA.
	25	*/
	26
	27	#ifndef __ARCH_ARM_MACH_OMAP_COMMON_H
	28	#define __ARCH_ARM_MACH_OMAP_COMMON_H
	29
59fb659b PW	30	#include <linux/delay.h>
59fb659b PW	31
b63128e8	32	#include <plat/i2c.h>
13662dc5	33	#include <plat/omap_hwmod.h>
85d05fb3	34
5e1c5ff4 TL	35	struct sys_timer;
	36
	37	extern void omap_map_common_io(void);
e74984e4 TL	38	extern struct sys_timer omap1_timer;
	39	extern struct sys_timer omap2_timer;
	40	extern struct sys_timer omap3_timer;
	41	extern struct sys_timer omap3_secure_timer;
	42	extern struct sys_timer omap4_timer;
05b5ca9b	43	extern bool omap_32k_timer_init(void);
d8328f3b	44	extern int __init omap_init_clocksource_32k(void);
4912cf04	45	extern unsigned long long notrace omap_32k_sched_clock(void);
5e1c5ff4	46
71ee7dad RK	47	extern void omap_reserve(void);
71ee7dad RK	48
8f5b5a41 TL	49	void omap2420_init_early(void);
	50	void omap2430_init_early(void);
	51	void omap3430_init_early(void);
	52	void omap35xx_init_early(void);
	53	void omap3630_init_early(void);
7b250aff	54	void omap3_init_early(void); /* Do not use this one */
8f5b5a41 TL	55	void am35xx_init_early(void);
	56	void ti816x_init_early(void);
	57	void omap4430_init_early(void);
	58
13662dc5 TV	59	extern int omap_dss_reset(struct omap_hwmod *);
13662dc5 TV	60
a66cb345 TL	61	void omap_sram_init(void);
a66cb345 TL	62
b7ebb10b SS	63	/*
	64	* IO bases for various OMAP processors
	65	* Except the tap base, rest all the io bases
	66	* listed are physical addresses.
	67	*/
a58caad1	68	struct omap_globals {
0e564848	69	u32 class; /* OMAP class to detect */
a58caad1	70	void __iomem tap; / Control module ID code */
4c3cf901 TL	71	void __iomem sdrc; / SDRAM Controller */
	72	void __iomem sms; / SDRAM Memory Scheduler */
	73	void __iomem ctrl; / System Control Module */
	74	void __iomem ctrl_pad; / PAD Control Module */
	75	void __iomem prm; / Power and Reset Management */
	76	void __iomem cm; / Clock Management */
	77	void __iomem *cm2;
a58caad1 TL	78	};
a58caad1 TL	79
c8d2eb8e PW	80	void omap2_set_globals_242x(void);
c8d2eb8e PW	81	void omap2_set_globals_243x(void);
c573bcf9	82	void omap2_set_globals_3xxx(void);
44169075	83	void omap2_set_globals_443x(void);
4bd7be22	84	void omap2_set_globals_ti816x(void);
c8d2eb8e	85
a58caad1	86	/* These get called from omap2_set_globals_xxxx(), do not call these */
0e564848	87	void omap2_set_globals_tap(struct omap_globals *);
f2ab9977	88	void omap2_set_globals_sdrc(struct omap_globals *);
a58caad1 TL	89	void omap2_set_globals_control(struct omap_globals *);
	90	void omap2_set_globals_prcm(struct omap_globals *);
	91
35549ec3 BC	92	void omap242x_map_io(void);
35549ec3 BC	93	void omap243x_map_io(void);
869fef41	94	void omap3_map_io(void);
35549ec3 BC	95	void omap4_map_io(void);
35549ec3 BC	96
869fef41	97
6f8b7ff5 PW	98	/**
	99	* omap_test_timeout - busy-loop, testing a condition
	100	* @cond: condition to test until it evaluates to true
	101	* @timeout: maximum number of microseconds in the timeout
	102	* @index: loop index (integer)
	103	*
	104	* Loop waiting for @cond to become true or until at least @timeout
	105	* microseconds have passed. To use, define some integer @index in the
	106	* calling code. After running, if @index == @timeout, then the loop has
	107	* timed out.
	108	*/
	109	#define omap_test_timeout(cond, timeout, index) \
	110	({ \
	111	for (index = 0; index < timeout; index++) { \
	112	if (cond) \
	113	break; \
	114	udelay(1); \
	115	} \
	116	})
	117
6f88e9bc	118	extern struct device *omap2_get_mpuss_device(void);
b3294e23	119	extern struct device *omap2_get_iva_device(void);
6f88e9bc	120	extern struct device *omap2_get_l3_device(void);
b3294e23	121	extern struct device *omap4_get_dsp_device(void);
6f88e9bc	122
5e1c5ff4	123	#endif /* __ARCH_ARM_MACH_OMAP_COMMON_H */