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/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 #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP2) 48 int omap2_pm_init(void); 49 #else 50 static inline int omap2_pm_init(void) 51 { 52 return 0; 53 } 54 #endif 55 56 #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) 57 int omap3_pm_init(void); 58 #else 59 static inline int omap3_pm_init(void) 60 { 61 return 0; 62 } 63 #endif 64 65 #if defined(CONFIG_PM) && (defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX)) 66 int omap4_pm_init(void); 67 int omap4_pm_init_early(void); 68 #else 69 static inline int omap4_pm_init(void) 70 { 71 return 0; 72 } 73 74 static inline int omap4_pm_init_early(void) 75 { 76 return 0; 77 } 78 #endif 79 80 extern void omap2_init_common_infrastructure(void); 81 82 extern void omap_init_time(void); 83 extern void omap3_secure_sync32k_timer_init(void); 84 extern void omap3_gptimer_timer_init(void); 85 extern void omap4_local_timer_init(void); 86 #ifdef CONFIG_CACHE_L2X0 87 int omap_l2_cache_init(void); 88 #define OMAP_L2C_AUX_CTRL (L2C_AUX_CTRL_SHARED_OVERRIDE | \ 89 L310_AUX_CTRL_DATA_PREFETCH | \ 90 L310_AUX_CTRL_INSTR_PREFETCH) 91 void omap4_l2c310_write_sec(unsigned long val, unsigned reg); 92 #else 93 static inline int omap_l2_cache_init(void) 94 { 95 return 0; 96 } 97 98 #define OMAP_L2C_AUX_CTRL 0 99 #define omap4_l2c310_write_sec NULL 100 #endif 101 extern void omap5_realtime_timer_init(void); 102 103 void omap2420_init_early(void); 104 void omap2430_init_early(void); 105 void omap3430_init_early(void); 106 void omap35xx_init_early(void); 107 void omap3630_init_early(void); 108 void omap3_init_early(void); /* Do not use this one */ 109 void am33xx_init_early(void); 110 void am35xx_init_early(void); 111 void ti814x_init_early(void); 112 void ti816x_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 #ifdef CONFIG_SOC_TI81XX 166 void ti81xx_restart(enum reboot_mode mode, const char *cmd); 167 #else 168 static inline void ti81xx_restart(enum reboot_mode mode, const char *cmd) 169 { 170 } 171 #endif 172 173 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ 174 defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM43XX) 175 void omap44xx_restart(enum reboot_mode mode, const char *cmd); 176 #else 177 static inline void omap44xx_restart(enum reboot_mode mode, const char *cmd) 178 { 179 } 180 #endif 181 182 #ifdef CONFIG_OMAP_INTERCONNECT_BARRIER 183 void omap_barrier_reserve_memblock(void); 184 void omap_barriers_init(void); 185 #else 186 static inline void omap_barrier_reserve_memblock(void) 187 { 188 } 189 #endif 190 191 /* This gets called from mach-omap2/io.c, do not call this */ 192 void __init omap2_set_globals_tap(u32 class, void __iomem *tap); 193 194 void __init omap242x_map_io(void); 195 void __init omap243x_map_io(void); 196 void __init omap3_map_io(void); 197 void __init am33xx_map_io(void); 198 void __init omap4_map_io(void); 199 void __init omap5_map_io(void); 200 void __init dra7xx_map_io(void); 201 void __init ti81xx_map_io(void); 202 203 /** 204 * omap_test_timeout - busy-loop, testing a condition 205 * @cond: condition to test until it evaluates to true 206 * @timeout: maximum number of microseconds in the timeout 207 * @index: loop index (integer) 208 * 209 * Loop waiting for @cond to become true or until at least @timeout 210 * microseconds have passed. To use, define some integer @index in the 211 * calling code. After running, if @index == @timeout, then the loop has 212 * timed out. 213 */ 214 #define omap_test_timeout(cond, timeout, index) \ 215 ({ \ 216 for (index = 0; index < timeout; index++) { \ 217 if (cond) \ 218 break; \ 219 udelay(1); \ 220 } \ 221 }) 222 223 extern struct device *omap2_get_mpuss_device(void); 224 extern struct device *omap2_get_iva_device(void); 225 extern struct device *omap2_get_l3_device(void); 226 extern struct device *omap4_get_dsp_device(void); 227 228 unsigned int omap4_xlate_irq(unsigned int hwirq); 229 void omap_gic_of_init(void); 230 231 #ifdef CONFIG_CACHE_L2X0 232 extern void __iomem *omap4_get_l2cache_base(void); 233 #endif 234 235 struct device_node; 236 237 #ifdef CONFIG_SMP 238 extern void __iomem *omap4_get_scu_base(void); 239 #else 240 static inline void __iomem *omap4_get_scu_base(void) 241 { 242 return NULL; 243 } 244 #endif 245 246 extern void gic_dist_disable(void); 247 extern void gic_dist_enable(void); 248 extern bool gic_dist_disabled(void); 249 extern void gic_timer_retrigger(void); 250 extern void omap_smc1(u32 fn, u32 arg); 251 extern void omap4_sar_ram_init(void); 252 extern void __iomem *omap4_get_sar_ram_base(void); 253 extern void omap4_mpuss_early_init(void); 254 extern void omap_do_wfi(void); 255 256 257 #ifdef CONFIG_SMP 258 /* Needed for secondary core boot */ 259 extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask); 260 extern void omap_auxcoreboot_addr(u32 cpu_addr); 261 extern u32 omap_read_auxcoreboot0(void); 262 263 extern void omap4_cpu_die(unsigned int cpu); 264 extern int omap4_cpu_kill(unsigned int cpu); 265 266 extern const struct smp_operations omap4_smp_ops; 267 #endif 268 269 extern u32 omap4_get_cpu1_ns_pa_addr(void); 270 271 #if defined(CONFIG_SMP) && defined(CONFIG_PM) 272 extern int omap4_mpuss_init(void); 273 extern int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state); 274 extern int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state); 275 #else 276 static inline int omap4_enter_lowpower(unsigned int cpu, 277 unsigned int power_state) 278 { 279 cpu_do_idle(); 280 return 0; 281 } 282 283 static inline int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state) 284 { 285 cpu_do_idle(); 286 return 0; 287 } 288 289 static inline int omap4_mpuss_init(void) 290 { 291 return 0; 292 } 293 294 #endif 295 296 #ifdef CONFIG_ARCH_OMAP4 297 void omap4_secondary_startup(void); 298 void omap4460_secondary_startup(void); 299 int omap4_finish_suspend(unsigned long cpu_state); 300 void omap4_cpu_resume(void); 301 #else 302 static inline void omap4_secondary_startup(void) 303 { 304 } 305 306 static inline void omap4460_secondary_startup(void) 307 { 308 } 309 static inline int omap4_finish_suspend(unsigned long cpu_state) 310 { 311 return 0; 312 } 313 static inline void omap4_cpu_resume(void) 314 { 315 } 316 #endif 317 318 #if defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX) 319 void omap5_secondary_startup(void); 320 void omap5_secondary_hyp_startup(void); 321 #else 322 static inline void omap5_secondary_startup(void) 323 { 324 } 325 326 static inline void omap5_secondary_hyp_startup(void) 327 { 328 } 329 #endif 330 331 void pdata_quirks_init(const struct of_device_id *); 332 void omap_auxdata_legacy_init(struct device *dev); 333 void omap_pcs_legacy_init(int irq, void (*rearm)(void)); 334 335 struct omap_sdrc_params; 336 extern void omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0, 337 struct omap_sdrc_params *sdrc_cs1); 338 struct omap2_hsmmc_info; 339 extern void omap_reserve(void); 340 341 struct omap_hwmod; 342 extern int omap_dss_reset(struct omap_hwmod *); 343 344 /* SoC specific clock initializer */ 345 int omap_clk_init(void); 346 347 int __init omapdss_init_of(void); 348 349 #endif /* __ASSEMBLER__ */ 350 #endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */ 351