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 36 #include <asm/proc-fns.h> 37 38 #include "i2c.h" 39 #include "serial.h" 40 41 #include "usb.h" 42 43 #define OMAP_INTC_START NR_IRQS 44 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 int omap4_pm_init_early(void); 66 #else 67 static inline int omap4_pm_init(void) 68 { 69 return 0; 70 } 71 72 static inline int omap4_pm_init_early(void) 73 { 74 return 0; 75 } 76 #endif 77 78 #ifdef CONFIG_OMAP_MUX 79 int omap_mux_late_init(void); 80 #else 81 static inline int omap_mux_late_init(void) 82 { 83 return 0; 84 } 85 #endif 86 87 extern void omap2_init_common_infrastructure(void); 88 89 extern void omap2_sync32k_timer_init(void); 90 extern void omap3_sync32k_timer_init(void); 91 extern void omap3_secure_sync32k_timer_init(void); 92 extern void omap3_gptimer_timer_init(void); 93 extern void omap4_local_timer_init(void); 94 #ifdef CONFIG_CACHE_L2X0 95 int omap_l2_cache_init(void); 96 #else 97 static inline int omap_l2_cache_init(void) 98 { 99 return 0; 100 } 101 #endif 102 extern void omap5_realtime_timer_init(void); 103 104 void omap2420_init_early(void); 105 void omap2430_init_early(void); 106 void omap3430_init_early(void); 107 void omap35xx_init_early(void); 108 void omap3630_init_early(void); 109 void omap3_init_early(void); /* Do not use this one */ 110 void am33xx_init_early(void); 111 void am35xx_init_early(void); 112 void ti81xx_init_early(void); 113 void am33xx_init_early(void); 114 void am43xx_init_early(void); 115 void am43xx_init_late(void); 116 void omap4430_init_early(void); 117 void omap5_init_early(void); 118 void omap3_init_late(void); /* Do not use this one */ 119 void omap4430_init_late(void); 120 void omap2420_init_late(void); 121 void omap2430_init_late(void); 122 void omap3430_init_late(void); 123 void omap35xx_init_late(void); 124 void omap3630_init_late(void); 125 void am35xx_init_late(void); 126 void ti81xx_init_late(void); 127 void am33xx_init_late(void); 128 void omap5_init_late(void); 129 int omap2_common_pm_late_init(void); 130 void dra7xx_init_early(void); 131 void dra7xx_init_late(void); 132 133 #ifdef CONFIG_SOC_BUS 134 void omap_soc_device_init(void); 135 #else 136 static inline void omap_soc_device_init(void) 137 { 138 } 139 #endif 140 141 #if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430) 142 void omap2xxx_restart(enum reboot_mode mode, const char *cmd); 143 #else 144 static inline void omap2xxx_restart(enum reboot_mode mode, const char *cmd) 145 { 146 } 147 #endif 148 149 #ifdef CONFIG_SOC_AM33XX 150 void am33xx_restart(enum reboot_mode mode, const char *cmd); 151 #else 152 static inline void am33xx_restart(enum reboot_mode mode, const char *cmd) 153 { 154 } 155 #endif 156 157 #ifdef CONFIG_ARCH_OMAP3 158 void omap3xxx_restart(enum reboot_mode mode, const char *cmd); 159 #else 160 static inline void omap3xxx_restart(enum reboot_mode mode, const char *cmd) 161 { 162 } 163 #endif 164 165 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) 166 void omap44xx_restart(enum reboot_mode mode, const char *cmd); 167 #else 168 static inline void omap44xx_restart(enum reboot_mode mode, const char *cmd) 169 { 170 } 171 #endif 172 173 /* This gets called from mach-omap2/io.c, do not call this */ 174 void __init omap2_set_globals_tap(u32 class, void __iomem *tap); 175 176 void __init omap242x_map_io(void); 177 void __init omap243x_map_io(void); 178 void __init omap3_map_io(void); 179 void __init am33xx_map_io(void); 180 void __init omap4_map_io(void); 181 void __init omap5_map_io(void); 182 void __init ti81xx_map_io(void); 183 184 /* omap_barriers_init() is OMAP4 only */ 185 void omap_barriers_init(void); 186 187 /** 188 * omap_test_timeout - busy-loop, testing a condition 189 * @cond: condition to test until it evaluates to true 190 * @timeout: maximum number of microseconds in the timeout 191 * @index: loop index (integer) 192 * 193 * Loop waiting for @cond to become true or until at least @timeout 194 * microseconds have passed. To use, define some integer @index in the 195 * calling code. After running, if @index == @timeout, then the loop has 196 * timed out. 197 */ 198 #define omap_test_timeout(cond, timeout, index) \ 199 ({ \ 200 for (index = 0; index < timeout; index++) { \ 201 if (cond) \ 202 break; \ 203 udelay(1); \ 204 } \ 205 }) 206 207 extern struct device *omap2_get_mpuss_device(void); 208 extern struct device *omap2_get_iva_device(void); 209 extern struct device *omap2_get_l3_device(void); 210 extern struct device *omap4_get_dsp_device(void); 211 212 void omap2_init_irq(void); 213 void omap3_init_irq(void); 214 void ti81xx_init_irq(void); 215 extern int omap_irq_pending(void); 216 void omap_intc_save_context(void); 217 void omap_intc_restore_context(void); 218 void omap3_intc_suspend(void); 219 void omap3_intc_prepare_idle(void); 220 void omap3_intc_resume_idle(void); 221 void omap2_intc_handle_irq(struct pt_regs *regs); 222 void omap3_intc_handle_irq(struct pt_regs *regs); 223 void omap_intc_of_init(void); 224 void omap_gic_of_init(void); 225 226 #ifdef CONFIG_CACHE_L2X0 227 extern void __iomem *omap4_get_l2cache_base(void); 228 #endif 229 230 struct device_node; 231 #ifdef CONFIG_OF 232 int __init intc_of_init(struct device_node *node, 233 struct device_node *parent); 234 #else 235 int __init intc_of_init(struct device_node *node, 236 struct device_node *parent) 237 { 238 return 0; 239 } 240 #endif 241 242 #ifdef CONFIG_SMP 243 extern void __iomem *omap4_get_scu_base(void); 244 #else 245 static inline void __iomem *omap4_get_scu_base(void) 246 { 247 return NULL; 248 } 249 #endif 250 251 extern void __init gic_init_irq(void); 252 extern void gic_dist_disable(void); 253 extern void gic_dist_enable(void); 254 extern bool gic_dist_disabled(void); 255 extern void gic_timer_retrigger(void); 256 extern void omap_smc1(u32 fn, u32 arg); 257 extern void __iomem *omap4_get_sar_ram_base(void); 258 extern void omap_do_wfi(void); 259 260 #ifdef CONFIG_SMP 261 /* Needed for secondary core boot */ 262 extern void omap4_secondary_startup(void); 263 extern void omap4460_secondary_startup(void); 264 extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask); 265 extern void omap_auxcoreboot_addr(u32 cpu_addr); 266 extern u32 omap_read_auxcoreboot0(void); 267 268 extern void omap4_cpu_die(unsigned int cpu); 269 270 extern struct smp_operations omap4_smp_ops; 271 272 extern void omap5_secondary_startup(void); 273 #endif 274 275 #if defined(CONFIG_SMP) && defined(CONFIG_PM) 276 extern int omap4_mpuss_init(void); 277 extern int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state); 278 extern int omap4_finish_suspend(unsigned long cpu_state); 279 extern void omap4_cpu_resume(void); 280 extern int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state); 281 #else 282 static inline int omap4_enter_lowpower(unsigned int cpu, 283 unsigned int power_state) 284 { 285 cpu_do_idle(); 286 return 0; 287 } 288 289 static inline int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state) 290 { 291 cpu_do_idle(); 292 return 0; 293 } 294 295 static inline int omap4_mpuss_init(void) 296 { 297 return 0; 298 } 299 300 static inline int omap4_finish_suspend(unsigned long cpu_state) 301 { 302 return 0; 303 } 304 305 static inline void omap4_cpu_resume(void) 306 {} 307 308 #endif 309 310 void pdata_quirks_init(struct of_device_id *); 311 void omap_auxdata_legacy_init(struct device *dev); 312 void omap_pcs_legacy_init(int irq, void (*rearm)(void)); 313 314 struct omap_sdrc_params; 315 extern void omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0, 316 struct omap_sdrc_params *sdrc_cs1); 317 struct omap2_hsmmc_info; 318 extern void omap_reserve(void); 319 320 struct omap_hwmod; 321 extern int omap_dss_reset(struct omap_hwmod *); 322 323 /* SoC specific clock initializer */ 324 int omap_clk_init(void); 325 326 int __init omapdss_init_of(void); 327 void __init omapdss_early_init_of(void); 328 329 #endif /* __ASSEMBLER__ */ 330 #endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */ 331