[linux-block.git] / arch / arm / mach-omap2 / common.h

/*
 * Header for code common to all OMAP2+ 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_OMAP2PLUS_COMMON_H
#define __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H
#ifndef __ASSEMBLER__

#include <linux/irq.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/i2c/twl.h>
#include <linux/i2c-omap.h>
#include <linux/reboot.h>

#include <asm/proc-fns.h>

#include "i2c.h"
#include "serial.h"

#include "usb.h"

#define OMAP_INTC_START		NR_IRQS

#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP2)
int omap2_pm_init(void);
#else
static inline int omap2_pm_init(void)
{
	return 0;
}
#endif

#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3)
int omap3_pm_init(void);
#else
static inline int omap3_pm_init(void)
{
	return 0;
}
#endif

#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP4)
int omap4_pm_init(void);
#else
static inline int omap4_pm_init(void)
{
	return 0;
}
#endif

#ifdef CONFIG_OMAP_MUX
int omap_mux_late_init(void);
#else
static inline int omap_mux_late_init(void)
{
	return 0;
}
#endif

extern void omap2_init_common_infrastructure(void);

extern void omap2_sync32k_timer_init(void);
extern void omap3_sync32k_timer_init(void);
extern void omap3_secure_sync32k_timer_init(void);
extern void omap3_gptimer_timer_init(void);
extern void omap4_local_timer_init(void);
extern void omap5_realtime_timer_init(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 am33xx_init_early(void);
void am35xx_init_early(void);
void ti81xx_init_early(void);
void am33xx_init_early(void);
void am43xx_init_early(void);
void am43xx_init_late(void);
void omap4430_init_early(void);
void omap5_init_early(void);
void omap3_init_late(void);	/* Do not use this one */
void omap4430_init_late(void);
void omap2420_init_late(void);
void omap2430_init_late(void);
void omap3430_init_late(void);
void omap35xx_init_late(void);
void omap3630_init_late(void);
void am35xx_init_late(void);
void ti81xx_init_late(void);
void am33xx_init_late(void);
void omap5_init_late(void);
int omap2_common_pm_late_init(void);
void dra7xx_init_early(void);
void dra7xx_init_late(void);

#ifdef CONFIG_SOC_BUS
void omap_soc_device_init(void);
#else
static inline void omap_soc_device_init(void)
{
}
#endif

#if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430)
void omap2xxx_restart(enum reboot_mode mode, const char *cmd);
#else
static inline void omap2xxx_restart(enum reboot_mode mode, const char *cmd)
{
}
#endif

#ifdef CONFIG_SOC_AM33XX
void am33xx_restart(enum reboot_mode mode, const char *cmd);
#else
static inline void am33xx_restart(enum reboot_mode mode, const char *cmd)
{
}
#endif

#ifdef CONFIG_ARCH_OMAP3
void omap3xxx_restart(enum reboot_mode mode, const char *cmd);
#else
static inline void omap3xxx_restart(enum reboot_mode mode, const char *cmd)
{
}
#endif

#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
void omap44xx_restart(enum reboot_mode mode, const char *cmd);
#else
static inline void omap44xx_restart(enum reboot_mode mode, const char *cmd)
{
}
#endif

/* This gets called from mach-omap2/io.c, do not call this */
void __init omap2_set_globals_tap(u32 class, void __iomem *tap);

void __init omap242x_map_io(void);
void __init omap243x_map_io(void);
void __init omap3_map_io(void);
void __init am33xx_map_io(void);
void __init omap4_map_io(void);
void __init omap5_map_io(void);
void __init ti81xx_map_io(void);

/* omap_barriers_init() is OMAP4 only */
void omap_barriers_init(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);

void omap2_init_irq(void);
void omap3_init_irq(void);
void ti81xx_init_irq(void);
extern int omap_irq_pending(void);
void omap_intc_save_context(void);
void omap_intc_restore_context(void);
void omap3_intc_suspend(void);
void omap3_intc_prepare_idle(void);
void omap3_intc_resume_idle(void);
void omap2_intc_handle_irq(struct pt_regs *regs);
void omap3_intc_handle_irq(struct pt_regs *regs);
void omap_intc_of_init(void);
void omap_gic_of_init(void);

#ifdef CONFIG_CACHE_L2X0
extern void __iomem *omap4_get_l2cache_base(void);
#endif

struct device_node;
#ifdef CONFIG_OF
int __init intc_of_init(struct device_node *node,
			     struct device_node *parent);
#else
int __init intc_of_init(struct device_node *node,
			     struct device_node *parent)
{
	return 0;
}
#endif

#ifdef CONFIG_SMP
extern void __iomem *omap4_get_scu_base(void);
#else
static inline void __iomem *omap4_get_scu_base(void)
{
	return NULL;
}
#endif

extern void __init gic_init_irq(void);
extern void gic_dist_disable(void);
extern bool gic_dist_disabled(void);
extern void gic_timer_retrigger(void);
extern void omap_smc1(u32 fn, u32 arg);
extern void __iomem *omap4_get_sar_ram_base(void);
extern void omap_do_wfi(void);

#ifdef CONFIG_SMP
/* Needed for secondary core boot */
extern void omap4_secondary_startup(void);
extern void omap4460_secondary_startup(void);
extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask);
extern void omap_auxcoreboot_addr(u32 cpu_addr);
extern u32 omap_read_auxcoreboot0(void);

extern void omap4_cpu_die(unsigned int cpu);

extern struct smp_operations omap4_smp_ops;

extern void omap5_secondary_startup(void);
#endif

#if defined(CONFIG_SMP) && defined(CONFIG_PM)
extern int omap4_mpuss_init(void);
extern int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state);
extern int omap4_finish_suspend(unsigned long cpu_state);
extern void omap4_cpu_resume(void);
extern int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state);
#else
static inline int omap4_enter_lowpower(unsigned int cpu,
					unsigned int power_state)
{
	cpu_do_idle();
	return 0;
}

static inline int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state)
{
	cpu_do_idle();
	return 0;
}

static inline int omap4_mpuss_init(void)
{
	return 0;
}

static inline int omap4_finish_suspend(unsigned long cpu_state)
{
	return 0;
}

static inline void omap4_cpu_resume(void)
{}

#endif

void pdata_quirks_init(struct of_device_id *);
void omap_pcs_legacy_init(int irq, void (*rearm)(void));

struct omap_sdrc_params;
extern void omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
				      struct omap_sdrc_params *sdrc_cs1);
struct omap2_hsmmc_info;
extern void omap_reserve(void);

struct omap_hwmod;
extern int omap_dss_reset(struct omap_hwmod *);

/* SoC specific clock initializer */
extern int (*omap_clk_init)(void);

#endif /* __ASSEMBLER__ */
#endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */
Commit	Line	Data
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
b2b9762f	27	#ifndef __ASSEMBLER__
4e65331c	28
ec2c0825	29	#include <linux/irq.h>
4e65331c	30	#include <linux/delay.h>
3a8761c0	31	#include <linux/i2c.h>
1ee47b0a	32	#include <linux/i2c/twl.h>
3a8761c0	33	#include <linux/i2c-omap.h>
7b6d864b	34	#include <linux/reboot.h>
dbc04161	35
b2b9762f	36	#include <asm/proc-fns.h>
4e65331c	37
3a8761c0	38	#include "i2c.h"
3d82cbbb	39	#include "serial.h"
3a8761c0	40
54db6eee	41	#include "usb.h"
dbc04161	42
ec2c0825	43	#define OMAP_INTC_START NR_IRQS
7d7e1eba	44
bbd707ac SG	45	#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP2)
	46	int omap2_pm_init(void);
	47	#else
	48	static inline int omap2_pm_init(void)
	49	{
	50	return 0;
	51	}
	52	#endif
	53
	54	#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3)
	55	int omap3_pm_init(void);
	56	#else
	57	static inline int omap3_pm_init(void)
	58	{
	59	return 0;
	60	}
	61	#endif
	62
	63	#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP4)
	64	int omap4_pm_init(void);
	65	#else
	66	static inline int omap4_pm_init(void)
	67	{
	68	return 0;
	69	}
	70	#endif
	71
	72	#ifdef CONFIG_OMAP_MUX
	73	int omap_mux_late_init(void);
	74	#else
	75	static inline int omap_mux_late_init(void)
	76	{
	77	return 0;
	78	}
	79	#endif
	80
4e65331c TL	81	extern void omap2_init_common_infrastructure(void);
4e65331c TL	82
6bb27d73 SW	83	extern void omap2_sync32k_timer_init(void);
	84	extern void omap3_sync32k_timer_init(void);
	85	extern void omap3_secure_sync32k_timer_init(void);
00ea4d56	86	extern void omap3_gptimer_timer_init(void);
6bb27d73 SW	87	extern void omap4_local_timer_init(void);
6bb27d73 SW	88	extern void omap5_realtime_timer_init(void);
4e65331c TL	89
	90	void omap2420_init_early(void);
	91	void omap2430_init_early(void);
	92	void omap3430_init_early(void);
	93	void omap35xx_init_early(void);
	94	void omap3630_init_early(void);
	95	void omap3_init_early(void); /* Do not use this one */
ce3fc89a	96	void am33xx_init_early(void);
4e65331c	97	void am35xx_init_early(void);
a920360f	98	void ti81xx_init_early(void);
08f30989	99	void am33xx_init_early(void);
c5107027	100	void am43xx_init_early(void);
765e7a06	101	void am43xx_init_late(void);
4e65331c	102	void omap4430_init_early(void);
05e152c7	103	void omap5_init_early(void);
bbd707ac SG	104	void omap3_init_late(void); /* Do not use this one */
	105	void omap4430_init_late(void);
	106	void omap2420_init_late(void);
	107	void omap2430_init_late(void);
	108	void omap3430_init_late(void);
	109	void omap35xx_init_late(void);
	110	void omap3630_init_late(void);
	111	void am35xx_init_late(void);
	112	void ti81xx_init_late(void);
765e7a06 NM	113	void am33xx_init_late(void);
765e7a06 NM	114	void omap5_init_late(void);
bbd707ac	115	int omap2_common_pm_late_init(void);
a3a9384a	116	void dra7xx_init_early(void);
765e7a06	117	void dra7xx_init_late(void);
4e65331c	118
6770b211 RB	119	#ifdef CONFIG_SOC_BUS
	120	void omap_soc_device_init(void);
	121	#else
	122	static inline void omap_soc_device_init(void)
	123	{
	124	}
	125	#endif
	126
2f334a38	127	#if defined(CONFIG_SOC_OMAP2420) \|\| defined(CONFIG_SOC_OMAP2430)
7b6d864b	128	void omap2xxx_restart(enum reboot_mode mode, const char *cmd);
ecc46cfd	129	#else
7b6d864b	130	static inline void omap2xxx_restart(enum reboot_mode mode, const char *cmd)
2f334a38 PW	131	{
2f334a38 PW	132	}
ecc46cfd	133	#endif
2f334a38	134
14e067c1	135	#ifdef CONFIG_SOC_AM33XX
7b6d864b	136	void am33xx_restart(enum reboot_mode mode, const char *cmd);
14e067c1	137	#else
7b6d864b	138	static inline void am33xx_restart(enum reboot_mode mode, const char *cmd)
14e067c1 JSB	139	{
	140	}
	141	#endif
	142
2f334a38	143	#ifdef CONFIG_ARCH_OMAP3
7b6d864b	144	void omap3xxx_restart(enum reboot_mode mode, const char *cmd);
2f334a38	145	#else
7b6d864b	146	static inline void omap3xxx_restart(enum reboot_mode mode, const char *cmd)
2f334a38 PW	147	{
	148	}
	149	#endif
	150
	151	#if defined(CONFIG_ARCH_OMAP4) \|\| defined(CONFIG_SOC_OMAP5)
7b6d864b	152	void omap44xx_restart(enum reboot_mode mode, const char *cmd);
2f334a38	153	#else
7b6d864b	154	static inline void omap44xx_restart(enum reboot_mode mode, const char *cmd)
2f334a38 PW	155	{
	156	}
	157	#endif
	158
b6a4226c PW	159	/* This gets called from mach-omap2/io.c, do not call this */
	160	void __init omap2_set_globals_tap(u32 class, void __iomem *tap);
	161
	162	void __init omap242x_map_io(void);
	163	void __init omap243x_map_io(void);
	164	void __init omap3_map_io(void);
	165	void __init am33xx_map_io(void);
	166	void __init omap4_map_io(void);
	167	void __init omap5_map_io(void);
	168	void __init ti81xx_map_io(void);
	169
	170	/* omap_barriers_init() is OMAP4 only */
2ec1fc4e	171	void omap_barriers_init(void);
4e65331c TL	172
	173	/**
	174	* omap_test_timeout - busy-loop, testing a condition
	175	* @cond: condition to test until it evaluates to true
	176	* @timeout: maximum number of microseconds in the timeout
	177	* @index: loop index (integer)
	178	*
	179	* Loop waiting for @cond to become true or until at least @timeout
	180	* microseconds have passed. To use, define some integer @index in the
	181	* calling code. After running, if @index == @timeout, then the loop has
	182	* timed out.
	183	*/
	184	#define omap_test_timeout(cond, timeout, index) \
	185	({ \
	186	for (index = 0; index < timeout; index++) { \
	187	if (cond) \
	188	break; \
	189	udelay(1); \
	190	} \
	191	})
	192
	193	extern struct device *omap2_get_mpuss_device(void);
	194	extern struct device *omap2_get_iva_device(void);
	195	extern struct device *omap2_get_l3_device(void);
	196	extern struct device *omap4_get_dsp_device(void);
	197
	198	void omap2_init_irq(void);
	199	void omap3_init_irq(void);
a920360f	200	void ti81xx_init_irq(void);
4e65331c TL	201	extern int omap_irq_pending(void);
	202	void omap_intc_save_context(void);
	203	void omap_intc_restore_context(void);
	204	void omap3_intc_suspend(void);
	205	void omap3_intc_prepare_idle(void);
	206	void omap3_intc_resume_idle(void);
f88f4dd8 SS	207	void omap2_intc_handle_irq(struct pt_regs *regs);
f88f4dd8 SS	208	void omap3_intc_handle_irq(struct pt_regs *regs);
c4082d49 S	209	void omap_intc_of_init(void);
c4082d49 S	210	void omap_gic_of_init(void);
4e65331c	211
4e65331c	212	#ifdef CONFIG_CACHE_L2X0
02afe8a7	213	extern void __iomem *omap4_get_l2cache_base(void);
4e65331c TL	214	#endif
4e65331c TL	215
52fa2120 BC	216	struct device_node;
52fa2120 BC	217	#ifdef CONFIG_OF
c4082d49	218	int __init intc_of_init(struct device_node *node,
52fa2120 BC	219	struct device_node *parent);
52fa2120 BC	220	#else
c4082d49	221	int __init intc_of_init(struct device_node *node,
52fa2120 BC	222	struct device_node *parent)
	223	{
	224	return 0;
	225	}
	226	#endif
	227
02afe8a7 SS	228	#ifdef CONFIG_SMP
	229	extern void __iomem *omap4_get_scu_base(void);
	230	#else
	231	static inline void __iomem *omap4_get_scu_base(void)
	232	{
	233	return NULL;
	234	}
4e65331c TL	235	#endif
4e65331c TL	236
4e65331c	237	extern void __init gic_init_irq(void);
ff999b8a	238	extern void gic_dist_disable(void);
cd8ce159 CC	239	extern bool gic_dist_disabled(void);
cd8ce159 CC	240	extern void gic_timer_retrigger(void);
4e65331c	241	extern void omap_smc1(u32 fn, u32 arg);
501f0c75	242	extern void __iomem *omap4_get_sar_ram_base(void);
b2b9762f	243	extern void omap_do_wfi(void);
4e65331c TL	244
	245	#ifdef CONFIG_SMP
	246	/* Needed for secondary core boot */
baf4b7d3 SS	247	extern void omap4_secondary_startup(void);
baf4b7d3 SS	248	extern void omap4460_secondary_startup(void);
4e65331c TL	249	extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask);
	250	extern void omap_auxcoreboot_addr(u32 cpu_addr);
	251	extern u32 omap_read_auxcoreboot0(void);
06915321 MZ	252
	253	extern void omap4_cpu_die(unsigned int cpu);
	254
	255	extern struct smp_operations omap4_smp_ops;
	256
283f708c	257	extern void omap5_secondary_startup(void);
4e65331c TL	258	#endif
4e65331c TL	259
b2b9762f SS	260	#if defined(CONFIG_SMP) && defined(CONFIG_PM)
	261	extern int omap4_mpuss_init(void);
	262	extern int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state);
	263	extern int omap4_finish_suspend(unsigned long cpu_state);
	264	extern void omap4_cpu_resume(void);
b5b4f288	265	extern int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state);
b2b9762f SS	266	#else
	267	static inline int omap4_enter_lowpower(unsigned int cpu,
	268	unsigned int power_state)
	269	{
	270	cpu_do_idle();
	271	return 0;
	272	}
	273
b5b4f288 SS	274	static inline int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state)
	275	{
	276	cpu_do_idle();
	277	return 0;
	278	}
	279
b2b9762f SS	280	static inline int omap4_mpuss_init(void)
	281	{
	282	return 0;
	283	}
	284
	285	static inline int omap4_finish_suspend(unsigned long cpu_state)
	286	{
	287	return 0;
	288	}
	289
	290	static inline void omap4_cpu_resume(void)
	291	{}
3ba2a739	292
b2b9762f	293	#endif
258ee922	294
8651bd8c TL	295	void pdata_quirks_init(struct of_device_id *);
8651bd8c TL	296	void omap_pcs_legacy_init(int irq, void (*rearm)(void));
6a08e1e6	297
258ee922 TL	298	struct omap_sdrc_params;
	299	extern void omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
	300	struct omap_sdrc_params *sdrc_cs1);
1ee47b0a	301	struct omap2_hsmmc_info;
f583f0f2	302	extern void omap_reserve(void);
258ee922	303
5c2e8852 TL	304	struct omap_hwmod;
5c2e8852 TL	305	extern int omap_dss_reset(struct omap_hwmod *);
258ee922	306
ff931c82 RN	307	/* SoC specific clock initializer */
	308	extern int (*omap_clk_init)(void);
	309
b2b9762f	310	#endif /* __ASSEMBLER__ */
4e65331c	311	#endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */