357 lines
9.2 KiB
C
357 lines
9.2 KiB
C
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/*
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* Header for code common to all OMAP2+ machines.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H
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#define __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H
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#ifndef __ASSEMBLER__
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#include <linux/irq.h>
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#include <linux/delay.h>
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#include <linux/i2c.h>
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#include <linux/mfd/twl.h>
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#include <linux/platform_data/i2c-omap.h>
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#include <linux/reboot.h>
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#include <linux/irqchip/irq-omap-intc.h>
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#include <asm/proc-fns.h>
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#include <asm/hardware/cache-l2x0.h>
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#include "i2c.h"
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#include "serial.h"
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#include "usb.h"
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#define OMAP_INTC_START NR_IRQS
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extern int (*omap_pm_soc_init)(void);
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int omap_pm_nop_init(void);
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#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP2)
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int omap2_pm_init(void);
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#else
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static inline int omap2_pm_init(void)
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{
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return 0;
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}
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#endif
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#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3)
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int omap3_pm_init(void);
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#else
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static inline int omap3_pm_init(void)
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{
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return 0;
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}
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#endif
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#if defined(CONFIG_PM) && (defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX))
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int omap4_pm_init(void);
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int omap4_pm_init_early(void);
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#else
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static inline int omap4_pm_init(void)
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{
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return 0;
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}
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static inline int omap4_pm_init_early(void)
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{
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return 0;
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}
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#endif
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#if defined(CONFIG_PM) && (defined(CONFIG_SOC_AM33XX) || \
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defined(CONFIG_SOC_AM43XX))
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int amx3_common_pm_init(void);
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#else
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static inline int amx3_common_pm_init(void)
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{
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return 0;
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}
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#endif
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extern void omap2_init_common_infrastructure(void);
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extern void omap_init_time(void);
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extern void omap3_secure_sync32k_timer_init(void);
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extern void omap3_gptimer_timer_init(void);
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extern void omap4_local_timer_init(void);
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#ifdef CONFIG_CACHE_L2X0
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int omap_l2_cache_init(void);
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#define OMAP_L2C_AUX_CTRL (L2C_AUX_CTRL_SHARED_OVERRIDE | \
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L310_AUX_CTRL_DATA_PREFETCH | \
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L310_AUX_CTRL_INSTR_PREFETCH)
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void omap4_l2c310_write_sec(unsigned long val, unsigned reg);
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#else
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static inline int omap_l2_cache_init(void)
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{
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return 0;
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}
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#define OMAP_L2C_AUX_CTRL 0
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#define omap4_l2c310_write_sec NULL
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#endif
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extern void omap5_realtime_timer_init(void);
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void omap2420_init_early(void);
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void omap2430_init_early(void);
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void omap3430_init_early(void);
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void omap35xx_init_early(void);
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void omap3630_init_early(void);
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void omap3_init_early(void); /* Do not use this one */
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void am33xx_init_early(void);
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void am35xx_init_early(void);
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void ti814x_init_early(void);
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void ti816x_init_early(void);
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void am33xx_init_early(void);
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void am43xx_init_early(void);
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void am43xx_init_late(void);
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void omap4430_init_early(void);
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void omap5_init_early(void);
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void omap3_init_late(void);
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void omap4430_init_late(void);
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void omap2420_init_late(void);
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void omap2430_init_late(void);
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void ti81xx_init_late(void);
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void am33xx_init_late(void);
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void omap5_init_late(void);
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int omap2_common_pm_late_init(void);
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void dra7xx_init_early(void);
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void dra7xx_init_late(void);
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#ifdef CONFIG_SOC_BUS
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void omap_soc_device_init(void);
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#else
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static inline void omap_soc_device_init(void)
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{
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}
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#endif
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#if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430)
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void omap2xxx_restart(enum reboot_mode mode, const char *cmd);
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#else
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static inline void omap2xxx_restart(enum reboot_mode mode, const char *cmd)
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{
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}
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#endif
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#ifdef CONFIG_SOC_AM33XX
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void am33xx_restart(enum reboot_mode mode, const char *cmd);
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#else
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static inline void am33xx_restart(enum reboot_mode mode, const char *cmd)
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{
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}
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#endif
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#ifdef CONFIG_ARCH_OMAP3
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void omap3xxx_restart(enum reboot_mode mode, const char *cmd);
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#else
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static inline void omap3xxx_restart(enum reboot_mode mode, const char *cmd)
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{
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}
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#endif
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#ifdef CONFIG_SOC_TI81XX
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void ti81xx_restart(enum reboot_mode mode, const char *cmd);
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#else
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static inline void ti81xx_restart(enum reboot_mode mode, const char *cmd)
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{
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}
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#endif
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#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \
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defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM43XX)
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void omap44xx_restart(enum reboot_mode mode, const char *cmd);
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#else
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static inline void omap44xx_restart(enum reboot_mode mode, const char *cmd)
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{
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}
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#endif
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#ifdef CONFIG_OMAP_INTERCONNECT_BARRIER
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void omap_barrier_reserve_memblock(void);
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void omap_barriers_init(void);
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#else
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static inline void omap_barrier_reserve_memblock(void)
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{
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}
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#endif
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/* This gets called from mach-omap2/io.c, do not call this */
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void __init omap2_set_globals_tap(u32 class, void __iomem *tap);
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void __init omap242x_map_io(void);
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void __init omap243x_map_io(void);
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void __init omap3_map_io(void);
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void __init am33xx_map_io(void);
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void __init omap4_map_io(void);
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void __init omap5_map_io(void);
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void __init dra7xx_map_io(void);
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void __init ti81xx_map_io(void);
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/**
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* omap_test_timeout - busy-loop, testing a condition
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* @cond: condition to test until it evaluates to true
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* @timeout: maximum number of microseconds in the timeout
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* @index: loop index (integer)
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*
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* Loop waiting for @cond to become true or until at least @timeout
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* microseconds have passed. To use, define some integer @index in the
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* calling code. After running, if @index == @timeout, then the loop has
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* timed out.
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*/
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#define omap_test_timeout(cond, timeout, index) \
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({ \
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for (index = 0; index < timeout; index++) { \
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if (cond) \
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break; \
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udelay(1); \
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} \
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})
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extern struct device *omap2_get_mpuss_device(void);
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extern struct device *omap2_get_iva_device(void);
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extern struct device *omap2_get_l3_device(void);
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extern struct device *omap4_get_dsp_device(void);
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void omap_gic_of_init(void);
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#ifdef CONFIG_CACHE_L2X0
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extern void __iomem *omap4_get_l2cache_base(void);
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#endif
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struct device_node;
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#ifdef CONFIG_SMP
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extern void __iomem *omap4_get_scu_base(void);
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#else
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static inline void __iomem *omap4_get_scu_base(void)
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{
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return NULL;
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}
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#endif
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extern void gic_dist_disable(void);
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extern void gic_dist_enable(void);
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extern bool gic_dist_disabled(void);
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extern void gic_timer_retrigger(void);
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extern void omap_smc1(u32 fn, u32 arg);
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extern void omap4_sar_ram_init(void);
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extern void __iomem *omap4_get_sar_ram_base(void);
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extern void omap4_mpuss_early_init(void);
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extern void omap_do_wfi(void);
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#ifdef CONFIG_SMP
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/* Needed for secondary core boot */
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extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask);
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extern void omap_auxcoreboot_addr(u32 cpu_addr);
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extern u32 omap_read_auxcoreboot0(void);
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extern void omap4_cpu_die(unsigned int cpu);
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extern int omap4_cpu_kill(unsigned int cpu);
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extern const struct smp_operations omap4_smp_ops;
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#endif
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extern u32 omap4_get_cpu1_ns_pa_addr(void);
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#if defined(CONFIG_SMP) && defined(CONFIG_PM)
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extern int omap4_mpuss_init(void);
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extern int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state);
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extern int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state);
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#else
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static inline int omap4_enter_lowpower(unsigned int cpu,
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unsigned int power_state)
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{
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cpu_do_idle();
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return 0;
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}
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static inline int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state)
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{
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cpu_do_idle();
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return 0;
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}
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static inline int omap4_mpuss_init(void)
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{
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return 0;
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}
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#endif
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#ifdef CONFIG_ARCH_OMAP4
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void omap4_secondary_startup(void);
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void omap4460_secondary_startup(void);
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int omap4_finish_suspend(unsigned long cpu_state);
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void omap4_cpu_resume(void);
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#else
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static inline void omap4_secondary_startup(void)
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{
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}
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static inline void omap4460_secondary_startup(void)
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{
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}
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static inline int omap4_finish_suspend(unsigned long cpu_state)
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{
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return 0;
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}
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static inline void omap4_cpu_resume(void)
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{
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}
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#endif
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#if defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX)
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void omap5_secondary_startup(void);
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void omap5_secondary_hyp_startup(void);
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#else
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static inline void omap5_secondary_startup(void)
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{
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}
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static inline void omap5_secondary_hyp_startup(void)
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{
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}
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#endif
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void pdata_quirks_init(const struct of_device_id *);
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void omap_auxdata_legacy_init(struct device *dev);
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void omap_pcs_legacy_init(int irq, void (*rearm)(void));
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struct omap_sdrc_params;
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extern void omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
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struct omap_sdrc_params *sdrc_cs1);
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struct omap2_hsmmc_info;
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extern void omap_reserve(void);
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struct omap_hwmod;
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extern int omap_dss_reset(struct omap_hwmod *);
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/* SoC specific clock initializer */
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int omap_clk_init(void);
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#endif /* __ASSEMBLER__ */
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#endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */
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