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/mfd/twl.h> 33 #include <linux/platform_data/i2c-omap.h> 34 #include <linux/reboot.h> 35 #include <linux/irqchip/irq-omap-intc.h> 36 37 #include <asm/proc-fns.h> 38 #include <asm/hardware/cache-l2x0.h> 39 40 #include "i2c.h" 41 #include "serial.h" 42 43 #include "usb.h" 44 45 #define OMAP_INTC_START NR_IRQS 46 47 extern int (*omap_pm_soc_init)(void); 48 int omap_pm_nop_init(void); 49 50 #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP2) 51 int omap2_pm_init(void); 52 #else 53 static inline int omap2_pm_init(void) 54 { 55 return 0; 56 } 57 #endif 58 59 #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) 60 int omap3_pm_init(void); 61 #else 62 static inline int omap3_pm_init(void) 63 { 64 return 0; 65 } 66 #endif 67 68 #if defined(CONFIG_PM) && (defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX)) 69 int omap4_pm_init(void); 70 int omap4_pm_init_early(void); 71 #else 72 static inline int omap4_pm_init(void) 73 { 74 return 0; 75 } 76 77 static inline int omap4_pm_init_early(void) 78 { 79 return 0; 80 } 81 #endif 82 83 #if defined(CONFIG_PM) && (defined(CONFIG_SOC_AM33XX) || \ 84 defined(CONFIG_SOC_AM43XX)) 85 int amx3_common_pm_init(void); 86 #else 87 static inline int amx3_common_pm_init(void) 88 { 89 return 0; 90 } 91 #endif 92 93 extern void omap2_init_common_infrastructure(void); 94 95 extern void omap_init_time(void); 96 extern void omap3_secure_sync32k_timer_init(void); 97 extern void omap3_gptimer_timer_init(void); 98 extern void omap4_local_timer_init(void); 99 #ifdef CONFIG_CACHE_L2X0 100 int omap_l2_cache_init(void); 101 #define OMAP_L2C_AUX_CTRL (L2C_AUX_CTRL_SHARED_OVERRIDE | \ 102 L310_AUX_CTRL_DATA_PREFETCH | \ 103 L310_AUX_CTRL_INSTR_PREFETCH) 104 void omap4_l2c310_write_sec(unsigned long val, unsigned reg); 105 #else 106 static inline int omap_l2_cache_init(void) 107 { 108 return 0; 109 } 110 111 #define OMAP_L2C_AUX_CTRL 0 112 #define omap4_l2c310_write_sec NULL 113 #endif 114 115 #ifdef CONFIG_SOC_HAS_REALTIME_COUNTER 116 extern void omap5_realtime_timer_init(void); 117 #else 118 static inline void omap5_realtime_timer_init(void) 119 { 120 } 121 #endif 122 123 void omap2420_init_early(void); 124 void omap2430_init_early(void); 125 void omap3430_init_early(void); 126 void omap35xx_init_early(void); 127 void omap3630_init_early(void); 128 void omap3_init_early(void); /* Do not use this one */ 129 void am33xx_init_early(void); 130 void am35xx_init_early(void); 131 void ti814x_init_early(void); 132 void ti816x_init_early(void); 133 void am33xx_init_early(void); 134 void am43xx_init_early(void); 135 void am43xx_init_late(void); 136 void omap4430_init_early(void); 137 void omap5_init_early(void); 138 void omap3_init_late(void); 139 void omap4430_init_late(void); 140 void omap2420_init_late(void); 141 void omap2430_init_late(void); 142 void ti81xx_init_late(void); 143 void am33xx_init_late(void); 144 void omap5_init_late(void); 145 int omap2_common_pm_late_init(void); 146 void dra7xx_init_early(void); 147 void dra7xx_init_late(void); 148 149 #ifdef CONFIG_SOC_BUS 150 void omap_soc_device_init(void); 151 #else 152 static inline void omap_soc_device_init(void) 153 { 154 } 155 #endif 156 157 #if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430) 158 void omap2xxx_restart(enum reboot_mode mode, const char *cmd); 159 #else 160 static inline void omap2xxx_restart(enum reboot_mode mode, const char *cmd) 161 { 162 } 163 #endif 164 165 #ifdef CONFIG_SOC_AM33XX 166 void am33xx_restart(enum reboot_mode mode, const char *cmd); 167 #else 168 static inline void am33xx_restart(enum reboot_mode mode, const char *cmd) 169 { 170 } 171 #endif 172 173 #ifdef CONFIG_ARCH_OMAP3 174 void omap3xxx_restart(enum reboot_mode mode, const char *cmd); 175 #else 176 static inline void omap3xxx_restart(enum reboot_mode mode, const char *cmd) 177 { 178 } 179 #endif 180 181 #ifdef CONFIG_SOC_TI81XX 182 void ti81xx_restart(enum reboot_mode mode, const char *cmd); 183 #else 184 static inline void ti81xx_restart(enum reboot_mode mode, const char *cmd) 185 { 186 } 187 #endif 188 189 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ 190 defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM43XX) 191 void omap44xx_restart(enum reboot_mode mode, const char *cmd); 192 #else 193 static inline void omap44xx_restart(enum reboot_mode mode, const char *cmd) 194 { 195 } 196 #endif 197 198 #ifdef CONFIG_OMAP_INTERCONNECT_BARRIER 199 void omap_barrier_reserve_memblock(void); 200 void omap_barriers_init(void); 201 #else 202 static inline void omap_barrier_reserve_memblock(void) 203 { 204 } 205 #endif 206 207 /* This gets called from mach-omap2/io.c, do not call this */ 208 void __init omap2_set_globals_tap(u32 class, void __iomem *tap); 209 210 void __init omap242x_map_io(void); 211 void __init omap243x_map_io(void); 212 void __init omap3_map_io(void); 213 void __init am33xx_map_io(void); 214 void __init omap4_map_io(void); 215 void __init omap5_map_io(void); 216 void __init dra7xx_map_io(void); 217 void __init ti81xx_map_io(void); 218 219 /** 220 * omap_test_timeout - busy-loop, testing a condition 221 * @cond: condition to test until it evaluates to true 222 * @timeout: maximum number of microseconds in the timeout 223 * @index: loop index (integer) 224 * 225 * Loop waiting for @cond to become true or until at least @timeout 226 * microseconds have passed. To use, define some integer @index in the 227 * calling code. After running, if @index == @timeout, then the loop has 228 * timed out. 229 */ 230 #define omap_test_timeout(cond, timeout, index) \ 231 ({ \ 232 for (index = 0; index < timeout; index++) { \ 233 if (cond) \ 234 break; \ 235 udelay(1); \ 236 } \ 237 }) 238 239 extern struct device *omap2_get_mpuss_device(void); 240 extern struct device *omap2_get_iva_device(void); 241 extern struct device *omap2_get_l3_device(void); 242 extern struct device *omap4_get_dsp_device(void); 243 244 void omap_gic_of_init(void); 245 246 #ifdef CONFIG_CACHE_L2X0 247 extern void __iomem *omap4_get_l2cache_base(void); 248 #endif 249 250 struct device_node; 251 252 #ifdef CONFIG_SMP 253 extern void __iomem *omap4_get_scu_base(void); 254 #else 255 static inline void __iomem *omap4_get_scu_base(void) 256 { 257 return NULL; 258 } 259 #endif 260 261 extern void gic_dist_disable(void); 262 extern void gic_dist_enable(void); 263 extern bool gic_dist_disabled(void); 264 extern void gic_timer_retrigger(void); 265 extern void _omap_smc1(u32 fn, u32 arg); 266 extern void omap4_sar_ram_init(void); 267 extern void __iomem *omap4_get_sar_ram_base(void); 268 extern void omap4_mpuss_early_init(void); 269 extern void omap_do_wfi(void); 270 271 272 #ifdef CONFIG_SMP 273 /* Needed for secondary core boot */ 274 extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask); 275 extern void omap_auxcoreboot_addr(u32 cpu_addr); 276 extern u32 omap_read_auxcoreboot0(void); 277 278 extern void omap4_cpu_die(unsigned int cpu); 279 extern int omap4_cpu_kill(unsigned int cpu); 280 281 extern const struct smp_operations omap4_smp_ops; 282 #endif 283 284 extern u32 omap4_get_cpu1_ns_pa_addr(void); 285 286 #if defined(CONFIG_SMP) && defined(CONFIG_PM) 287 extern int omap4_mpuss_init(void); 288 extern int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state); 289 extern int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state); 290 #else 291 static inline int omap4_enter_lowpower(unsigned int cpu, 292 unsigned int power_state) 293 { 294 cpu_do_idle(); 295 return 0; 296 } 297 298 static inline int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state) 299 { 300 cpu_do_idle(); 301 return 0; 302 } 303 304 static inline int omap4_mpuss_init(void) 305 { 306 return 0; 307 } 308 309 #endif 310 311 #ifdef CONFIG_ARCH_OMAP4 312 void omap4_secondary_startup(void); 313 void omap4460_secondary_startup(void); 314 int omap4_finish_suspend(unsigned long cpu_state); 315 void omap4_cpu_resume(void); 316 #else 317 static inline void omap4_secondary_startup(void) 318 { 319 } 320 321 static inline void omap4460_secondary_startup(void) 322 { 323 } 324 static inline int omap4_finish_suspend(unsigned long cpu_state) 325 { 326 return 0; 327 } 328 static inline void omap4_cpu_resume(void) 329 { 330 } 331 #endif 332 333 #if defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX) 334 void omap5_secondary_startup(void); 335 void omap5_secondary_hyp_startup(void); 336 #else 337 static inline void omap5_secondary_startup(void) 338 { 339 } 340 341 static inline void omap5_secondary_hyp_startup(void) 342 { 343 } 344 #endif 345 346 struct omap_system_dma_plat_info; 347 348 void pdata_quirks_init(const struct of_device_id *); 349 void omap_auxdata_legacy_init(struct device *dev); 350 void omap_pcs_legacy_init(int irq, void (*rearm)(void)); 351 extern struct omap_system_dma_plat_info dma_plat_info; 352 353 struct omap_sdrc_params; 354 extern void omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0, 355 struct omap_sdrc_params *sdrc_cs1); 356 extern void omap_reserve(void); 357 358 struct omap_hwmod; 359 extern int omap_dss_reset(struct omap_hwmod *); 360 361 /* SoC specific clock initializer */ 362 int omap_clk_init(void); 363 364 #endif /* __ASSEMBLER__ */ 365 #endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */ 366