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/*
* 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
#include <linux/delay.h>
#include <plat/common.h>
#ifdef CONFIG_SOC_OMAP2420
extern void omap242x_map_common_io(void);
#else
static inline void omap242x_map_common_io(void)
{
}
#endif
#ifdef CONFIG_SOC_OMAP2430
extern void omap243x_map_common_io(void);
#else
static inline void omap243x_map_common_io(void)
{
}
#endif
#ifdef CONFIG_ARCH_OMAP3
extern void omap34xx_map_common_io(void);
#else
static inline void omap34xx_map_common_io(void)
{
}
#endif
#ifdef CONFIG_SOC_OMAPTI816X
extern void omapti816x_map_common_io(void);
#else
static inline void omapti816x_map_common_io(void)
{
}
#endif
#ifdef CONFIG_ARCH_OMAP4
extern void omap44xx_map_common_io(void);
#else
static inline void omap44xx_map_common_io(void)
{
}
#endif
extern void omap2_init_common_infrastructure(void);
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;
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);
/*
* 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);
void omap2_init_irq(void);
void omap3_init_irq(void);
void ti816x_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);
/*
* wfi used in low power code. Directly opcode is used instead
* of instruction to avoid mulit-omap build break
*/
#ifdef CONFIG_THUMB2_KERNEL
#define do_wfi() __asm__ __volatile__ ("wfi" : : : "memory")
#else
#define do_wfi() \
__asm__ __volatile__ (".word 0xe320f003" : : : "memory")
#endif
#ifdef CONFIG_CACHE_L2X0
extern void __iomem *omap4_get_l2cache_base(void);
#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 omap_smc1(u32 fn, u32 arg);
extern void __iomem *omap4_get_sar_ram_base(void);
#ifdef CONFIG_SMP
/* Needed for secondary core boot */
extern void omap_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);
#endif
#endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */
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