serial.h 13 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360
  1. /*
  2. * This file is subject to the terms and conditions of the GNU General Public
  3. * License. See the file "COPYING" in the main directory of this archive
  4. * for more details.
  5. *
  6. * Copyright (C) 1999 by Ralf Baechle
  7. * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
  8. */
  9. #ifndef _ASM_SERIAL_H
  10. #define _ASM_SERIAL_H
  11. #include <linux/config.h>
  12. /*
  13. * This assumes you have a 1.8432 MHz clock for your UART.
  14. *
  15. * It'd be nice if someone built a serial card with a 24.576 MHz
  16. * clock, since the 16550A is capable of handling a top speed of 1.5
  17. * megabits/second; but this requires the faster clock.
  18. */
  19. #define BASE_BAUD (1843200 / 16)
  20. /* Standard COM flags (except for COM4, because of the 8514 problem) */
  21. #ifdef CONFIG_SERIAL_DETECT_IRQ
  22. #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ)
  23. #define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ)
  24. #else
  25. #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
  26. #define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
  27. #endif
  28. #ifdef CONFIG_MACH_JAZZ
  29. #include <asm/jazz.h>
  30. #ifndef CONFIG_OLIVETTI_M700
  31. /* Some Jazz machines seem to have an 8MHz crystal clock but I don't know
  32. exactly which ones ... XXX */
  33. #define JAZZ_BASE_BAUD ( 8000000 / 16 ) /* ( 3072000 / 16) */
  34. #else
  35. /* but the M700 isn't such a strange beast */
  36. #define JAZZ_BASE_BAUD BASE_BAUD
  37. #endif
  38. #define _JAZZ_SERIAL_INIT(int, base) \
  39. { .baud_base = JAZZ_BASE_BAUD, .irq = int, .flags = STD_COM_FLAGS, \
  40. .iomem_base = (u8 *) base, .iomem_reg_shift = 0, \
  41. .io_type = SERIAL_IO_MEM }
  42. #define JAZZ_SERIAL_PORT_DEFNS \
  43. _JAZZ_SERIAL_INIT(JAZZ_SERIAL1_IRQ, JAZZ_SERIAL1_BASE), \
  44. _JAZZ_SERIAL_INIT(JAZZ_SERIAL2_IRQ, JAZZ_SERIAL2_BASE),
  45. #else
  46. #define JAZZ_SERIAL_PORT_DEFNS
  47. #endif
  48. #ifdef CONFIG_MIPS_COBALT
  49. #include <asm/cobalt/cobalt.h>
  50. #define COBALT_BASE_BAUD (18432000 / 16)
  51. #define COBALT_SERIAL_PORT_DEFNS \
  52. /* UART CLK PORT IRQ FLAGS */ \
  53. { 0, COBALT_BASE_BAUD, 0xc800000, COBALT_SERIAL_IRQ, STD_COM_FLAGS }, /* ttyS0 */
  54. #else
  55. #define COBALT_SERIAL_PORT_DEFNS
  56. #endif
  57. /*
  58. * Both Galileo boards have the same UART mappings.
  59. */
  60. #if defined (CONFIG_MIPS_EV96100) || defined (CONFIG_MIPS_EV64120)
  61. #include <asm/galileo-boards/ev96100.h>
  62. #include <asm/galileo-boards/ev96100int.h>
  63. #define EV96100_SERIAL_PORT_DEFNS \
  64. { .baud_base = EV96100_BASE_BAUD, .irq = EV96100INT_UART_0, \
  65. .flags = STD_COM_FLAGS, \
  66. .iomem_base = EV96100_UART0_REGS_BASE, .iomem_reg_shift = 2, \
  67. .io_type = SERIAL_IO_MEM }, \
  68. { .baud_base = EV96100_BASE_BAUD, .irq = EV96100INT_UART_0, \
  69. .flags = STD_COM_FLAGS, \
  70. .iomem_base = EV96100_UART1_REGS_BASE, .iomem_reg_shift = 2, \
  71. .io_type = SERIAL_IO_MEM },
  72. #else
  73. #define EV96100_SERIAL_PORT_DEFNS
  74. #endif
  75. #ifdef CONFIG_MIPS_ITE8172
  76. #include <asm/it8172/it8172.h>
  77. #include <asm/it8172/it8172_int.h>
  78. #include <asm/it8712.h>
  79. #define ITE_SERIAL_PORT_DEFNS \
  80. { .baud_base = BASE_BAUD, .port = (IT8172_PCI_IO_BASE + IT_UART_BASE), \
  81. .irq = IT8172_UART_IRQ, .flags = STD_COM_FLAGS, .type = 0x3 }, \
  82. { .baud_base = (24000000/(16*13)), .port = (IT8172_PCI_IO_BASE + IT8712_UART1_PORT), \
  83. .irq = IT8172_SERIRQ_4, .flags = STD_COM_FLAGS, .type = 0x3 }, \
  84. /* Smart Card Reader 0 */ \
  85. { .baud_base = BASE_BAUD, .port = (IT8172_PCI_IO_BASE + IT_SCR0_BASE), \
  86. .irq = IT8172_SCR0_IRQ, .flags = STD_COM_FLAGS, .type = 0x3 }, \
  87. /* Smart Card Reader 1 */ \
  88. { .baud_base = BASE_BAUD, .port = (IT8172_PCI_IO_BASE + IT_SCR1_BASE), \
  89. .irq = IT8172_SCR1_IRQ, .flags = STD_COM_FLAGS, .type = 0x3 },
  90. #else
  91. #define ITE_SERIAL_PORT_DEFNS
  92. #endif
  93. #ifdef CONFIG_MIPS_IVR
  94. #include <asm/it8172/it8172.h>
  95. #include <asm/it8172/it8172_int.h>
  96. #define IVR_SERIAL_PORT_DEFNS \
  97. { .baud_base = BASE_BAUD, .port = (IT8172_PCI_IO_BASE + IT_UART_BASE), \
  98. .irq = IT8172_UART_IRQ, .flags = STD_COM_FLAGS, .type = 0x3 }, \
  99. /* Smart Card Reader 1 */ \
  100. { .baud_base = BASE_BAUD, .port = (IT8172_PCI_IO_BASE + IT_SCR1_BASE), \
  101. .irq = IT8172_SCR1_IRQ, .flags = STD_COM_FLAGS, .type = 0x3 },
  102. #else
  103. #define IVR_SERIAL_PORT_DEFNS
  104. #endif
  105. #ifdef CONFIG_TOSHIBA_JMR3927
  106. #include <asm/jmr3927/jmr3927.h>
  107. #define TXX927_SERIAL_PORT_DEFNS \
  108. { .baud_base = JMR3927_BASE_BAUD, .port = UART0_ADDR, .irq = UART0_INT, \
  109. .flags = UART0_FLAGS, .type = 1 }, \
  110. { .baud_base = JMR3927_BASE_BAUD, .port = UART1_ADDR, .irq = UART1_INT, \
  111. .flags = UART1_FLAGS, .type = 1 },
  112. #else
  113. #define TXX927_SERIAL_PORT_DEFNS
  114. #endif
  115. #ifdef CONFIG_SERIAL_AU1X00
  116. #include <asm/mach-au1x00/au1000.h>
  117. #ifdef CONFIG_SOC_AU1000
  118. #define AU1000_SERIAL_PORT_DEFNS \
  119. { .baud_base = 0, .port = UART0_ADDR, \
  120. .iomem_base = (unsigned char *)UART0_ADDR, \
  121. .irq = AU1000_UART0_INT, .flags = STD_COM_FLAGS, \
  122. .iomem_reg_shift = 2 }, \
  123. { .baud_base = 0, .port = UART1_ADDR, \
  124. .iomem_base = (unsigned char *)UART1_ADDR, \
  125. .irq = AU1000_UART1_INT, .flags = STD_COM_FLAGS, \
  126. .iomem_reg_shift = 2 }, \
  127. { .baud_base = 0, .port = UART2_ADDR, \
  128. .iomem_base = (unsigned char *)UART2_ADDR, \
  129. .irq = AU1000_UART2_INT, .flags = STD_COM_FLAGS, \
  130. .iomem_reg_shift = 2 }, \
  131. { .baud_base = 0, .port = UART3_ADDR, \
  132. .iomem_base = (unsigned char *)UART3_ADDR, \
  133. .irq = AU1000_UART3_INT, .flags = STD_COM_FLAGS, \
  134. .iomem_reg_shift = 2 },
  135. #endif
  136. #ifdef CONFIG_SOC_AU1500
  137. #define AU1000_SERIAL_PORT_DEFNS \
  138. { .baud_base = 0, .port = UART0_ADDR, \
  139. .iomem_base = (unsigned char *)UART0_ADDR, \
  140. .irq = AU1500_UART0_INT, .flags = STD_COM_FLAGS, \
  141. .iomem_reg_shift = 2 }, \
  142. { .baud_base = 0, .port = UART3_ADDR, \
  143. .iomem_base = (unsigned char *)UART3_ADDR, \
  144. .irq = AU1500_UART3_INT, .flags = STD_COM_FLAGS, \
  145. .iomem_reg_shift = 2 },
  146. #endif
  147. #ifdef CONFIG_SOC_AU1100
  148. #define AU1000_SERIAL_PORT_DEFNS \
  149. { .baud_base = 0, .port = UART0_ADDR, \
  150. .iomem_base = (unsigned char *)UART0_ADDR, \
  151. .irq = AU1100_UART0_INT, .flags = STD_COM_FLAGS, \
  152. .iomem_reg_shift = 2 }, \
  153. { .baud_base = 0, .port = UART1_ADDR, \
  154. .iomem_base = (unsigned char *)UART1_ADDR, \
  155. .irq = AU1100_UART1_INT, .flags = STD_COM_FLAGS, \
  156. .iomem_reg_shift = 2 }, \
  157. { .baud_base = 0, .port = UART3_ADDR, \
  158. .iomem_base = (unsigned char *)UART3_ADDR, \
  159. .irq = AU1100_UART3_INT, .flags = STD_COM_FLAGS, \
  160. .iomem_reg_shift = 2 },
  161. #endif
  162. #ifdef CONFIG_SOC_AU1550
  163. #define AU1000_SERIAL_PORT_DEFNS \
  164. { .baud_base = 0, .port = UART0_ADDR, \
  165. .iomem_base = (unsigned char *)UART0_ADDR, \
  166. .irq = AU1550_UART0_INT, .flags = STD_COM_FLAGS, \
  167. .iomem_reg_shift = 2 }, \
  168. { .baud_base = 0, .port = UART1_ADDR, \
  169. .iomem_base = (unsigned char *)UART1_ADDR, \
  170. .irq = AU1550_UART1_INT, .flags = STD_COM_FLAGS, \
  171. .iomem_reg_shift = 2 }, \
  172. { .baud_base = 0, .port = UART3_ADDR, \
  173. .iomem_base = (unsigned char *)UART3_ADDR, \
  174. .irq = AU1550_UART3_INT, .flags = STD_COM_FLAGS,\
  175. .iomem_reg_shift = 2 },
  176. #endif
  177. #ifdef CONFIG_SOC_AU1200
  178. #define AU1000_SERIAL_PORT_DEFNS \
  179. { .baud_base = 0, .port = UART0_ADDR, \
  180. .iomem_base = (unsigned char *)UART0_ADDR, \
  181. .irq = AU1200_UART0_INT, .flags = STD_COM_FLAGS, \
  182. .iomem_reg_shift = 2 }, \
  183. { .baud_base = 0, .port = UART1_ADDR, \
  184. .iomem_base = (unsigned char *)UART1_ADDR, \
  185. .irq = AU1200_UART1_INT, .flags = STD_COM_FLAGS, \
  186. .iomem_reg_shift = 2 },
  187. #endif
  188. #else
  189. #define AU1000_SERIAL_PORT_DEFNS
  190. #endif
  191. #ifdef CONFIG_HAVE_STD_PC_SERIAL_PORT
  192. #define STD_SERIAL_PORT_DEFNS \
  193. /* UART CLK PORT IRQ FLAGS */ \
  194. { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \
  195. { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \
  196. { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \
  197. { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */
  198. #else /* CONFIG_HAVE_STD_PC_SERIAL_PORTS */
  199. #define STD_SERIAL_PORT_DEFNS
  200. #endif /* CONFIG_HAVE_STD_PC_SERIAL_PORTS */
  201. #ifdef CONFIG_MOMENCO_JAGUAR_ATX
  202. /* Ordinary NS16552 duart with a 20MHz crystal. */
  203. #define JAGUAR_ATX_UART_CLK 20000000
  204. #define JAGUAR_ATX_BASE_BAUD (JAGUAR_ATX_UART_CLK / 16)
  205. #define JAGUAR_ATX_SERIAL1_IRQ 6
  206. #define JAGUAR_ATX_SERIAL1_BASE 0xfd000023L
  207. #define _JAGUAR_ATX_SERIAL_INIT(int, base) \
  208. { baud_base: JAGUAR_ATX_BASE_BAUD, irq: int, \
  209. flags: (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST), \
  210. iomem_base: (u8 *) base, iomem_reg_shift: 2, \
  211. io_type: SERIAL_IO_MEM }
  212. #define MOMENCO_JAGUAR_ATX_SERIAL_PORT_DEFNS \
  213. _JAGUAR_ATX_SERIAL_INIT(JAGUAR_ATX_SERIAL1_IRQ, JAGUAR_ATX_SERIAL1_BASE)
  214. #else
  215. #define MOMENCO_JAGUAR_ATX_SERIAL_PORT_DEFNS
  216. #endif
  217. #ifdef CONFIG_MOMENCO_OCELOT_3
  218. #define OCELOT_3_BASE_BAUD ( 20000000 / 16 )
  219. #define OCELOT_3_SERIAL_IRQ 6
  220. #define OCELOT_3_SERIAL_BASE (signed)0xfd000020
  221. #define _OCELOT_3_SERIAL_INIT(int, base) \
  222. { baud_base: OCELOT_3_BASE_BAUD, irq: int, \
  223. flags: STD_COM_FLAGS, \
  224. iomem_base: (u8 *) base, iomem_reg_shift: 2, \
  225. io_type: SERIAL_IO_MEM }
  226. #define MOMENCO_OCELOT_3_SERIAL_PORT_DEFNS \
  227. _OCELOT_3_SERIAL_INIT(OCELOT_3_SERIAL_IRQ, OCELOT_3_SERIAL_BASE)
  228. #else
  229. #define MOMENCO_OCELOT_3_SERIAL_PORT_DEFNS
  230. #endif
  231. #ifdef CONFIG_MOMENCO_OCELOT
  232. /* Ordinary NS16552 duart with a 20MHz crystal. */
  233. #define OCELOT_BASE_BAUD ( 20000000 / 16 )
  234. #define OCELOT_SERIAL1_IRQ 4
  235. #define OCELOT_SERIAL1_BASE 0xe0001020
  236. #define _OCELOT_SERIAL_INIT(int, base) \
  237. { .baud_base = OCELOT_BASE_BAUD, .irq = int, .flags = STD_COM_FLAGS, \
  238. .iomem_base = (u8 *) base, .iomem_reg_shift = 2, \
  239. .io_type = SERIAL_IO_MEM }
  240. #define MOMENCO_OCELOT_SERIAL_PORT_DEFNS \
  241. _OCELOT_SERIAL_INIT(OCELOT_SERIAL1_IRQ, OCELOT_SERIAL1_BASE)
  242. #else
  243. #define MOMENCO_OCELOT_SERIAL_PORT_DEFNS
  244. #endif
  245. #ifdef CONFIG_MOMENCO_OCELOT_G
  246. /* Ordinary NS16552 duart with a 20MHz crystal. */
  247. #define OCELOT_G_BASE_BAUD ( 20000000 / 16 )
  248. #define OCELOT_G_SERIAL1_IRQ 4
  249. #if 0
  250. #define OCELOT_G_SERIAL1_BASE 0xe0001020
  251. #else
  252. #define OCELOT_G_SERIAL1_BASE 0xfd000020
  253. #endif
  254. #define _OCELOT_G_SERIAL_INIT(int, base) \
  255. { .baud_base = OCELOT_G_BASE_BAUD, .irq = int, .flags = STD_COM_FLAGS,\
  256. .iomem_base = (u8 *) base, .iomem_reg_shift = 2, \
  257. .io_type = SERIAL_IO_MEM }
  258. #define MOMENCO_OCELOT_G_SERIAL_PORT_DEFNS \
  259. _OCELOT_G_SERIAL_INIT(OCELOT_G_SERIAL1_IRQ, OCELOT_G_SERIAL1_BASE)
  260. #else
  261. #define MOMENCO_OCELOT_G_SERIAL_PORT_DEFNS
  262. #endif
  263. #ifdef CONFIG_MOMENCO_OCELOT_C
  264. /* Ordinary NS16552 duart with a 20MHz crystal. */
  265. #define OCELOT_C_BASE_BAUD ( 20000000 / 16 )
  266. #define OCELOT_C_SERIAL1_IRQ 80
  267. #define OCELOT_C_SERIAL1_BASE 0xfd000020
  268. #define OCELOT_C_SERIAL2_IRQ 81
  269. #define OCELOT_C_SERIAL2_BASE 0xfd000000
  270. #define _OCELOT_C_SERIAL_INIT(int, base) \
  271. { .baud_base = OCELOT_C_BASE_BAUD, \
  272. .irq = (int), \
  273. .flags = STD_COM_FLAGS, \
  274. .iomem_base = (u8 *) base, \
  275. .iomem_reg_shift = 2, \
  276. .io_type = SERIAL_IO_MEM \
  277. }
  278. #define MOMENCO_OCELOT_C_SERIAL_PORT_DEFNS \
  279. _OCELOT_C_SERIAL_INIT(OCELOT_C_SERIAL1_IRQ, OCELOT_C_SERIAL1_BASE), \
  280. _OCELOT_C_SERIAL_INIT(OCELOT_C_SERIAL2_IRQ, OCELOT_C_SERIAL2_BASE)
  281. #else
  282. #define MOMENCO_OCELOT_C_SERIAL_PORT_DEFNS
  283. #endif
  284. #ifdef CONFIG_DDB5477
  285. #include <asm/ddb5xxx/ddb5477.h>
  286. #define DDB5477_SERIAL_PORT_DEFNS \
  287. { .baud_base = BASE_BAUD, .irq = VRC5477_IRQ_UART0, \
  288. .flags = STD_COM_FLAGS, .iomem_base = (u8*)0xbfa04200, \
  289. .iomem_reg_shift = 3, .io_type = SERIAL_IO_MEM}, \
  290. { .baud_base = BASE_BAUD, .irq = VRC5477_IRQ_UART1, \
  291. .flags = STD_COM_FLAGS, .iomem_base = (u8*)0xbfa04240, \
  292. .iomem_reg_shift = 3, .io_type = SERIAL_IO_MEM},
  293. #else
  294. #define DDB5477_SERIAL_PORT_DEFNS
  295. #endif
  296. #ifdef CONFIG_SGI_IP32
  297. /*
  298. * The IP32 (SGI O2) has standard serial ports (UART 16550A) mapped in memory
  299. * They are initialized in ip32_setup
  300. */
  301. #define IP32_SERIAL_PORT_DEFNS \
  302. {},{},
  303. #else
  304. #define IP32_SERIAL_PORT_DEFNS
  305. #endif /* CONFIG_SGI_IP32 */
  306. #define SERIAL_PORT_DFNS \
  307. COBALT_SERIAL_PORT_DEFNS \
  308. DDB5477_SERIAL_PORT_DEFNS \
  309. EV96100_SERIAL_PORT_DEFNS \
  310. IP32_SERIAL_PORT_DEFNS \
  311. ITE_SERIAL_PORT_DEFNS \
  312. IVR_SERIAL_PORT_DEFNS \
  313. JAZZ_SERIAL_PORT_DEFNS \
  314. STD_SERIAL_PORT_DEFNS \
  315. MOMENCO_OCELOT_G_SERIAL_PORT_DEFNS \
  316. MOMENCO_OCELOT_C_SERIAL_PORT_DEFNS \
  317. MOMENCO_OCELOT_SERIAL_PORT_DEFNS \
  318. MOMENCO_OCELOT_3_SERIAL_PORT_DEFNS \
  319. TXX927_SERIAL_PORT_DEFNS \
  320. AU1000_SERIAL_PORT_DEFNS
  321. #endif /* _ASM_SERIAL_H */