LXR linux/arch/arm/mach-omap2/common.h

   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
  27#ifndef __ASSEMBLER__
  28
  29#include <linux/irq.h>
  30#include <linux/delay.h>
  31#include <linux/i2c.h>
  32#include <linux/i2c/twl.h>
  33#include <linux/i2c-omap.h>
  34#include <linux/reboot.h>
  35#include <linux/irqchip/irq-omap-intc.h>
  36
  37#include <asm/proc-fns.h>
  38
  39#include "i2c.h"
  40#include "serial.h"
  41
  42#include "usb.h"
  43
  44#define OMAP_INTC_START         NR_IRQS
  45
  46#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP2)
  47int omap2_pm_init(void);
  48#else
  49static inline int omap2_pm_init(void)
  50{
  51        return 0;
  52}
  53#endif
  54
  55#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3)
  56int omap3_pm_init(void);
  57#else
  58static inline int omap3_pm_init(void)
  59{
  60        return 0;
  61}
  62#endif
  63
  64#if defined(CONFIG_PM) && (defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX))
  65int omap4_pm_init(void);
  66int omap4_pm_init_early(void);
  67#else
  68static inline int omap4_pm_init(void)
  69{
  70        return 0;
  71}
  72
  73static inline int omap4_pm_init_early(void)
  74{
  75        return 0;
  76}
  77#endif
  78
  79#ifdef CONFIG_OMAP_MUX
  80int omap_mux_late_init(void);
  81#else
  82static inline int omap_mux_late_init(void)
  83{
  84        return 0;
  85}
  86#endif
  87
  88extern void omap2_init_common_infrastructure(void);
  89
  90extern void omap2_sync32k_timer_init(void);
  91extern void omap3_sync32k_timer_init(void);
  92extern void omap3_secure_sync32k_timer_init(void);
  93extern void omap3_gptimer_timer_init(void);
  94extern void omap4_local_timer_init(void);
  95#ifdef CONFIG_CACHE_L2X0
  96int omap_l2_cache_init(void);
  97#else
  98static inline int omap_l2_cache_init(void)
  99{
 100        return 0;
 101}
 102#endif
 103extern void omap5_realtime_timer_init(void);
 104
 105void omap2420_init_early(void);
 106void omap2430_init_early(void);
 107void omap3430_init_early(void);
 108void omap35xx_init_early(void);
 109void omap3630_init_early(void);
 110void omap3_init_early(void);    /* Do not use this one */
 111void am33xx_init_early(void);
 112void am35xx_init_early(void);
 113void ti81xx_init_early(void);
 114void am33xx_init_early(void);
 115void am43xx_init_early(void);
 116void am43xx_init_late(void);
 117void omap4430_init_early(void);
 118void omap5_init_early(void);
 119void omap3_init_late(void);     /* Do not use this one */
 120void omap4430_init_late(void);
 121void omap2420_init_late(void);
 122void omap2430_init_late(void);
 123void omap3430_init_late(void);
 124void omap35xx_init_late(void);
 125void omap3630_init_late(void);
 126void am35xx_init_late(void);
 127void ti81xx_init_late(void);
 128void am33xx_init_late(void);
 129void omap5_init_late(void);
 130int omap2_common_pm_late_init(void);
 131void dra7xx_init_early(void);
 132void dra7xx_init_late(void);
 133
 134#ifdef CONFIG_SOC_BUS
 135void omap_soc_device_init(void);
 136#else
 137static inline void omap_soc_device_init(void)
 138{
 139}
 140#endif
 141
 142#if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430)
 143void omap2xxx_restart(enum reboot_mode mode, const char *cmd);
 144#else
 145static inline void omap2xxx_restart(enum reboot_mode mode, const char *cmd)
 146{
 147}
 148#endif
 149
 150#ifdef CONFIG_SOC_AM33XX
 151void am33xx_restart(enum reboot_mode mode, const char *cmd);
 152#else
 153static inline void am33xx_restart(enum reboot_mode mode, const char *cmd)
 154{
 155}
 156#endif
 157
 158#ifdef CONFIG_ARCH_OMAP3
 159void omap3xxx_restart(enum reboot_mode mode, const char *cmd);
 160#else
 161static inline void omap3xxx_restart(enum reboot_mode mode, const char *cmd)
 162{
 163}
 164#endif
 165
 166#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \
 167        defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM43XX)
 168void omap44xx_restart(enum reboot_mode mode, const char *cmd);
 169#else
 170static inline void omap44xx_restart(enum reboot_mode mode, const char *cmd)
 171{
 172}
 173#endif
 174
 175/* This gets called from mach-omap2/io.c, do not call this */
 176void __init omap2_set_globals_tap(u32 class, void __iomem *tap);
 177
 178void __init omap242x_map_io(void);
 179void __init omap243x_map_io(void);
 180void __init omap3_map_io(void);
 181void __init am33xx_map_io(void);
 182void __init omap4_map_io(void);
 183void __init omap5_map_io(void);
 184void __init ti81xx_map_io(void);
 185
 186/* omap_barriers_init() is OMAP4 only */
 187void omap_barriers_init(void);
 188
 189/**
 190 * omap_test_timeout - busy-loop, testing a condition
 191 * @cond: condition to test until it evaluates to true
 192 * @timeout: maximum number of microseconds in the timeout
 193 * @index: loop index (integer)
 194 *
 195 * Loop waiting for @cond to become true or until at least @timeout
 196 * microseconds have passed.  To use, define some integer @index in the
 197 * calling code.  After running, if @index == @timeout, then the loop has
 198 * timed out.
 199 */
 200#define omap_test_timeout(cond, timeout, index)                 \
 201({                                                              \
 202        for (index = 0; index < timeout; index++) {             \
 203                if (cond)                                       \
 204                        break;                                  \
 205                udelay(1);                                      \
 206        }                                                       \
 207})
 208
 209extern struct device *omap2_get_mpuss_device(void);
 210extern struct device *omap2_get_iva_device(void);
 211extern struct device *omap2_get_l3_device(void);
 212extern struct device *omap4_get_dsp_device(void);
 213
 214void omap_gic_of_init(void);
 215
 216#ifdef CONFIG_CACHE_L2X0
 217extern void __iomem *omap4_get_l2cache_base(void);
 218#endif
 219
 220struct device_node;
 221
 222#ifdef CONFIG_SMP
 223extern void __iomem *omap4_get_scu_base(void);
 224#else
 225static inline void __iomem *omap4_get_scu_base(void)
 226{
 227        return NULL;
 228}
 229#endif
 230
 231extern void gic_dist_disable(void);
 232extern void gic_dist_enable(void);
 233extern bool gic_dist_disabled(void);
 234extern void gic_timer_retrigger(void);
 235extern void omap_smc1(u32 fn, u32 arg);
 236extern void __iomem *omap4_get_sar_ram_base(void);
 237extern void omap_do_wfi(void);
 238
 239#ifdef CONFIG_SMP
 240/* Needed for secondary core boot */
 241extern void omap4_secondary_startup(void);
 242extern void omap4460_secondary_startup(void);
 243extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask);
 244extern void omap_auxcoreboot_addr(u32 cpu_addr);
 245extern u32 omap_read_auxcoreboot0(void);
 246
 247extern void omap4_cpu_die(unsigned int cpu);
 248
 249extern struct smp_operations omap4_smp_ops;
 250
 251extern void omap5_secondary_startup(void);
 252#endif
 253
 254#if defined(CONFIG_SMP) && defined(CONFIG_PM)
 255extern int omap4_mpuss_init(void);
 256extern int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state);
 257extern int omap4_finish_suspend(unsigned long cpu_state);
 258extern void omap4_cpu_resume(void);
 259extern int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state);
 260#else
 261static inline int omap4_enter_lowpower(unsigned int cpu,
 262                                        unsigned int power_state)
 263{
 264        cpu_do_idle();
 265        return 0;
 266}
 267
 268static inline int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state)
 269{
 270        cpu_do_idle();
 271        return 0;
 272}
 273
 274static inline int omap4_mpuss_init(void)
 275{
 276        return 0;
 277}
 278
 279static inline int omap4_finish_suspend(unsigned long cpu_state)
 280{
 281        return 0;
 282}
 283
 284static inline void omap4_cpu_resume(void)
 285{}
 286
 287#endif
 288
 289void pdata_quirks_init(const struct of_device_id *);
 290void omap_auxdata_legacy_init(struct device *dev);
 291void omap_pcs_legacy_init(int irq, void (*rearm)(void));
 292
 293struct omap_sdrc_params;
 294extern void omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
 295                                      struct omap_sdrc_params *sdrc_cs1);
 296struct omap2_hsmmc_info;
 297extern void omap_reserve(void);
 298
 299struct omap_hwmod;
 300extern int omap_dss_reset(struct omap_hwmod *);
 301
 302/* SoC specific clock initializer */
 303int omap_clk_init(void);
 304
 305int __init omapdss_init_of(void);
 306void __init omapdss_early_init_of(void);
 307
 308#endif /* __ASSEMBLER__ */
 309#endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */
 310