common.h 9.4 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365
  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. #ifndef __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H
  25. #define __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H
  26. #ifndef __ASSEMBLER__
  27. #include <linux/irq.h>
  28. #include <linux/delay.h>
  29. #include <linux/i2c.h>
  30. #include <linux/i2c/twl.h>
  31. #include <linux/i2c-omap.h>
  32. #include <linux/reboot.h>
  33. #include <linux/irqchip/irq-omap-intc.h>
  34. #include <asm/proc-fns.h>
  35. #include <asm/hardware/cache-l2x0.h>
  36. #include "i2c.h"
  37. #include "serial.h"
  38. #include "usb.h"
  39. #define OMAP_INTC_START NR_IRQS
  40. #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP2)
  41. int omap2_pm_init(void);
  42. #else
  43. static inline int omap2_pm_init(void)
  44. {
  45. return 0;
  46. }
  47. #endif
  48. #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3)
  49. int omap3_pm_init(void);
  50. #else
  51. static inline int omap3_pm_init(void)
  52. {
  53. return 0;
  54. }
  55. #endif
  56. #if defined(CONFIG_PM) && (defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX))
  57. int omap4_pm_init(void);
  58. int omap4_pm_init_early(void);
  59. #else
  60. static inline int omap4_pm_init(void)
  61. {
  62. return 0;
  63. }
  64. static inline int omap4_pm_init_early(void)
  65. {
  66. return 0;
  67. }
  68. #endif
  69. #if defined(CONFIG_PM) && (defined(CONFIG_SOC_AM33XX) || \
  70. defined(CONFIG_SOC_AM43XX))
  71. void amx3_common_pm_init(void);
  72. #else
  73. static inline void amx3_common_pm_init(void) { }
  74. #endif
  75. #ifdef CONFIG_OMAP_MUX
  76. int omap_mux_late_init(void);
  77. #else
  78. static inline int omap_mux_late_init(void)
  79. {
  80. return 0;
  81. }
  82. #endif
  83. extern void omap2_init_common_infrastructure(void);
  84. extern void omap_init_time(void);
  85. extern void omap3_secure_sync32k_timer_init(void);
  86. extern void omap3_gptimer_timer_init(void);
  87. extern void omap4_local_timer_init(void);
  88. #ifdef CONFIG_CACHE_L2X0
  89. int omap_l2_cache_init(void);
  90. #define OMAP_L2C_AUX_CTRL (L2C_AUX_CTRL_SHARED_OVERRIDE | \
  91. L310_AUX_CTRL_DATA_PREFETCH | \
  92. L310_AUX_CTRL_INSTR_PREFETCH)
  93. void omap4_l2c310_write_sec(unsigned long val, unsigned reg);
  94. #else
  95. static inline int omap_l2_cache_init(void)
  96. {
  97. return 0;
  98. }
  99. #define OMAP_L2C_AUX_CTRL 0
  100. #define omap4_l2c310_write_sec NULL
  101. #endif
  102. extern void omap5_realtime_timer_init(void);
  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. #ifdef CONFIG_SOC_BUS
  133. void omap_soc_device_init(void);
  134. #else
  135. static inline void omap_soc_device_init(void)
  136. {
  137. }
  138. #endif
  139. #if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430)
  140. void omap2xxx_restart(enum reboot_mode mode, const char *cmd);
  141. #else
  142. static inline void omap2xxx_restart(enum reboot_mode mode, const char *cmd)
  143. {
  144. }
  145. #endif
  146. #ifdef CONFIG_SOC_AM33XX
  147. void am33xx_restart(enum reboot_mode mode, const char *cmd);
  148. #else
  149. static inline void am33xx_restart(enum reboot_mode mode, const char *cmd)
  150. {
  151. }
  152. #endif
  153. #ifdef CONFIG_ARCH_OMAP3
  154. void omap3xxx_restart(enum reboot_mode mode, const char *cmd);
  155. #else
  156. static inline void omap3xxx_restart(enum reboot_mode mode, const char *cmd)
  157. {
  158. }
  159. #endif
  160. #ifdef CONFIG_SOC_TI81XX
  161. void ti81xx_restart(enum reboot_mode mode, const char *cmd);
  162. #else
  163. static inline void ti81xx_restart(enum reboot_mode mode, const char *cmd)
  164. {
  165. }
  166. #endif
  167. #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \
  168. defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM43XX)
  169. void omap44xx_restart(enum reboot_mode mode, const char *cmd);
  170. #else
  171. static inline void omap44xx_restart(enum reboot_mode mode, const char *cmd)
  172. {
  173. }
  174. #endif
  175. #ifdef CONFIG_OMAP_INTERCONNECT_BARRIER
  176. void omap_barrier_reserve_memblock(void);
  177. void omap_barriers_init(void);
  178. #else
  179. static inline void omap_barrier_reserve_memblock(void)
  180. {
  181. }
  182. #endif
  183. /* This gets called from mach-omap2/io.c, do not call this */
  184. void __init omap2_set_globals_tap(u32 class, void __iomem *tap);
  185. void __init omap242x_map_io(void);
  186. void __init omap243x_map_io(void);
  187. void __init omap3_map_io(void);
  188. void __init am33xx_map_io(void);
  189. void __init omap4_map_io(void);
  190. void __init omap5_map_io(void);
  191. void __init dra7xx_map_io(void);
  192. void __init ti81xx_map_io(void);
  193. /**
  194. * omap_test_timeout - busy-loop, testing a condition
  195. * @cond: condition to test until it evaluates to true
  196. * @timeout: maximum number of microseconds in the timeout
  197. * @index: loop index (integer)
  198. *
  199. * Loop waiting for @cond to become true or until at least @timeout
  200. * microseconds have passed. To use, define some integer @index in the
  201. * calling code. After running, if @index == @timeout, then the loop has
  202. * timed out.
  203. */
  204. #define omap_test_timeout(cond, timeout, index) \
  205. ({ \
  206. for (index = 0; index < timeout; index++) { \
  207. if (cond) \
  208. break; \
  209. udelay(1); \
  210. } \
  211. })
  212. extern struct device *omap2_get_mpuss_device(void);
  213. extern struct device *omap2_get_iva_device(void);
  214. extern struct device *omap2_get_l3_device(void);
  215. extern struct device *omap4_get_dsp_device(void);
  216. unsigned int omap4_xlate_irq(unsigned int hwirq);
  217. void omap_gic_of_init(void);
  218. #ifdef CONFIG_CACHE_L2X0
  219. extern void __iomem *omap4_get_l2cache_base(void);
  220. #endif
  221. struct device_node;
  222. #ifdef CONFIG_SMP
  223. extern void __iomem *omap4_get_scu_base(void);
  224. #else
  225. static inline void __iomem *omap4_get_scu_base(void)
  226. {
  227. return NULL;
  228. }
  229. #endif
  230. extern void gic_dist_disable(void);
  231. extern void gic_dist_enable(void);
  232. extern bool gic_dist_disabled(void);
  233. extern void gic_timer_retrigger(void);
  234. extern void omap_smc1(u32 fn, u32 arg);
  235. extern void omap4_sar_ram_init(void);
  236. extern void __iomem *omap4_get_sar_ram_base(void);
  237. extern void omap4_mpuss_early_init(void);
  238. extern void omap_do_wfi(void);
  239. #ifdef CONFIG_SMP
  240. /* Needed for secondary core boot */
  241. extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask);
  242. extern void omap_auxcoreboot_addr(u32 cpu_addr);
  243. extern u32 omap_read_auxcoreboot0(void);
  244. extern void omap4_cpu_die(unsigned int cpu);
  245. extern int omap4_cpu_kill(unsigned int cpu);
  246. extern const struct smp_operations omap4_smp_ops;
  247. #endif
  248. #if defined(CONFIG_SMP) && defined(CONFIG_PM)
  249. extern int omap4_mpuss_init(void);
  250. extern int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state);
  251. extern int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state);
  252. #else
  253. static inline int omap4_enter_lowpower(unsigned int cpu,
  254. unsigned int power_state)
  255. {
  256. cpu_do_idle();
  257. return 0;
  258. }
  259. static inline int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state)
  260. {
  261. cpu_do_idle();
  262. return 0;
  263. }
  264. static inline int omap4_mpuss_init(void)
  265. {
  266. return 0;
  267. }
  268. #endif
  269. #ifdef CONFIG_ARCH_OMAP4
  270. void omap4_secondary_startup(void);
  271. void omap4460_secondary_startup(void);
  272. int omap4_finish_suspend(unsigned long cpu_state);
  273. void omap4_cpu_resume(void);
  274. #else
  275. static inline void omap4_secondary_startup(void)
  276. {
  277. }
  278. static inline void omap4460_secondary_startup(void)
  279. {
  280. }
  281. static inline int omap4_finish_suspend(unsigned long cpu_state)
  282. {
  283. return 0;
  284. }
  285. static inline void omap4_cpu_resume(void)
  286. {
  287. }
  288. #endif
  289. #if defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX)
  290. void omap5_secondary_startup(void);
  291. void omap5_secondary_hyp_startup(void);
  292. #else
  293. static inline void omap5_secondary_startup(void)
  294. {
  295. }
  296. static inline void omap5_secondary_hyp_startup(void)
  297. {
  298. }
  299. #endif
  300. void pdata_quirks_init(const struct of_device_id *);
  301. void omap_auxdata_legacy_init(struct device *dev);
  302. void omap_pcs_legacy_init(int irq, void (*rearm)(void));
  303. struct omap_sdrc_params;
  304. extern void omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
  305. struct omap_sdrc_params *sdrc_cs1);
  306. struct omap2_hsmmc_info;
  307. extern void omap_reserve(void);
  308. struct omap_hwmod;
  309. extern int omap_dss_reset(struct omap_hwmod *);
  310. /* SoC specific clock initializer */
  311. int omap_clk_init(void);
  312. int __init omapdss_init_of(void);
  313. void __init omapdss_early_init_of(void);
  314. #endif /* __ASSEMBLER__ */
  315. #endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */