cpu_init.c 19 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753
  1. /*
  2. * (C) Copyright 2003
  3. * Josef Baumgartner <josef.baumgartner@telex.de>
  4. *
  5. * MCF5282 additionals
  6. * (C) Copyright 2005
  7. * BuS Elektronik GmbH & Co. KG <esw@bus-elektronik.de>
  8. * (c) Copyright 2010
  9. * Arcturus Networks Inc. <www.arcturusnetworks.com>
  10. *
  11. * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
  12. * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
  13. * Hayden Fraser (Hayden.Fraser@freescale.com)
  14. *
  15. * MCF5275 additions
  16. * Copyright (C) 2008 Arthur Shipkowski (art@videon-central.com)
  17. *
  18. * See file CREDITS for list of people who contributed to this
  19. * project.
  20. *
  21. * This program is free software; you can redistribute it and/or
  22. * modify it under the terms of the GNU General Public License as
  23. * published by the Free Software Foundation; either version 2 of
  24. * the License, or (at your option) any later version.
  25. *
  26. * This program is distributed in the hope that it will be useful,
  27. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  28. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  29. * GNU General Public License for more details.
  30. *
  31. * You should have received a copy of the GNU General Public License
  32. * along with this program; if not, write to the Free Software
  33. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  34. * MA 02111-1307 USA
  35. */
  36. #include <common.h>
  37. #include <watchdog.h>
  38. #include <asm/immap.h>
  39. #include <asm/io.h>
  40. #if defined(CONFIG_CMD_NET)
  41. #include <config.h>
  42. #include <net.h>
  43. #include <asm/fec.h>
  44. #endif
  45. #ifndef CONFIG_M5272
  46. /* Only 5272 Flexbus chipselect is different from the rest */
  47. void init_fbcs(void)
  48. {
  49. fbcs_t *fbcs = (fbcs_t *) (MMAP_FBCS);
  50. #if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) \
  51. && defined(CONFIG_SYS_CS0_CTRL))
  52. out_be32(&fbcs->csar0, CONFIG_SYS_CS0_BASE);
  53. out_be32(&fbcs->cscr0, CONFIG_SYS_CS0_CTRL);
  54. out_be32(&fbcs->csmr0, CONFIG_SYS_CS0_MASK);
  55. #else
  56. #warning "Chip Select 0 are not initialized/used"
  57. #endif
  58. #if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) \
  59. && defined(CONFIG_SYS_CS1_CTRL))
  60. out_be32(&fbcs->csar1, CONFIG_SYS_CS1_BASE);
  61. out_be32(&fbcs->cscr1, CONFIG_SYS_CS1_CTRL);
  62. out_be32(&fbcs->csmr1, CONFIG_SYS_CS1_MASK);
  63. #endif
  64. #if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) \
  65. && defined(CONFIG_SYS_CS2_CTRL))
  66. out_be32(&fbcs->csar2, CONFIG_SYS_CS2_BASE);
  67. out_be32(&fbcs->cscr2, CONFIG_SYS_CS2_CTRL);
  68. out_be32(&fbcs->csmr2, CONFIG_SYS_CS2_MASK);
  69. #endif
  70. #if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) \
  71. && defined(CONFIG_SYS_CS3_CTRL))
  72. out_be32(&fbcs->csar3, CONFIG_SYS_CS3_BASE);
  73. out_be32(&fbcs->cscr3, CONFIG_SYS_CS3_CTRL);
  74. out_be32(&fbcs->csmr3, CONFIG_SYS_CS3_MASK);
  75. #endif
  76. #if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) \
  77. && defined(CONFIG_SYS_CS4_CTRL))
  78. out_be32(&fbcs->csar4, CONFIG_SYS_CS4_BASE);
  79. out_be32(&fbcs->cscr4, CONFIG_SYS_CS4_CTRL);
  80. out_be32(&fbcs->csmr4, CONFIG_SYS_CS4_MASK);
  81. #endif
  82. #if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) \
  83. && defined(CONFIG_SYS_CS5_CTRL))
  84. out_be32(&fbcs->csar5, CONFIG_SYS_CS5_BASE);
  85. out_be32(&fbcs->cscr5, CONFIG_SYS_CS5_CTRL);
  86. out_be32(&fbcs->csmr5, CONFIG_SYS_CS5_MASK);
  87. #endif
  88. #if (defined(CONFIG_SYS_CS6_BASE) && defined(CONFIG_SYS_CS6_MASK) \
  89. && defined(CONFIG_SYS_CS6_CTRL))
  90. out_be32(&fbcs->csar6, CONFIG_SYS_CS6_BASE);
  91. out_be32(&fbcs->cscr6, CONFIG_SYS_CS6_CTRL);
  92. out_be32(&fbcs->csmr6, CONFIG_SYS_CS6_MASK);
  93. #endif
  94. #if (defined(CONFIG_SYS_CS7_BASE) && defined(CONFIG_SYS_CS7_MASK) \
  95. && defined(CONFIG_SYS_CS7_CTRL))
  96. out_be32(&fbcs->csar7, CONFIG_SYS_CS7_BASE);
  97. out_be32(&fbcs->cscr7, CONFIG_SYS_CS7_CTRL);
  98. out_be32(&fbcs->csmr7, CONFIG_SYS_CS7_MASK);
  99. #endif
  100. }
  101. #endif
  102. #if defined(CONFIG_M5208)
  103. void cpu_init_f(void)
  104. {
  105. scm1_t *scm1 = (scm1_t *) MMAP_SCM1;
  106. #ifndef CONFIG_WATCHDOG
  107. wdog_t *wdg = (wdog_t *) MMAP_WDOG;
  108. /* Disable the watchdog if we aren't using it */
  109. out_be16(&wdg->cr, 0);
  110. #endif
  111. out_be32(&scm1->mpr, 0x77777777);
  112. out_be32(&scm1->pacra, 0);
  113. out_be32(&scm1->pacrb, 0);
  114. out_be32(&scm1->pacrc, 0);
  115. out_be32(&scm1->pacrd, 0);
  116. out_be32(&scm1->pacre, 0);
  117. out_be32(&scm1->pacrf, 0);
  118. /* FlexBus Chipselect */
  119. init_fbcs();
  120. icache_enable();
  121. }
  122. /* initialize higher level parts of CPU like timers */
  123. int cpu_init_r(void)
  124. {
  125. return (0);
  126. }
  127. void uart_port_conf(int port)
  128. {
  129. gpio_t *gpio = (gpio_t *) MMAP_GPIO;
  130. /* Setup Ports: */
  131. switch (port) {
  132. case 0:
  133. clrbits_be16(&gpio->par_uart, ~GPIO_PAR_UART0_UNMASK);
  134. setbits_be16(&gpio->par_uart, GPIO_PAR_UART_U0TXD | GPIO_PAR_UART_U0RXD);
  135. break;
  136. case 1:
  137. clrbits_be16(&gpio->par_uart, ~GPIO_PAR_UART0_UNMASK);
  138. setbits_be16(&gpio->par_uart, GPIO_PAR_UART_U1TXD | GPIO_PAR_UART_U1RXD);
  139. break;
  140. case 2:
  141. #ifdef CONFIG_SYS_UART2_PRI_GPIO
  142. clrbits_8(&gpio->par_timer,
  143. ~(GPIO_PAR_TMR_TIN0_UNMASK | GPIO_PAR_TMR_TIN1_UNMASK));
  144. setbits_8(&gpio->par_timer,
  145. GPIO_PAR_TMR_TIN0_U2TXD | GPIO_PAR_TMR_TIN1_U2RXD);
  146. #endif
  147. #ifdef CONFIG_SYS_UART2_ALT1_GPIO
  148. clrbits_8(&gpio->par_feci2c,
  149. ~(GPIO_PAR_FECI2C_MDC_UNMASK | GPIO_PAR_FECI2C_MDIO_UNMASK));
  150. setbits_8(&gpio->par_feci2c,
  151. GPIO_PAR_FECI2C_MDC_U2TXD | GPIO_PAR_FECI2C_MDIO_U2RXD);
  152. #endif
  153. #ifdef CONFIG_SYS_UART2_ALT1_GPIO
  154. clrbits_8(&gpio->par_feci2c,
  155. ~(GPIO_PAR_FECI2C_SDA_UNMASK | GPIO_PAR_FECI2C_SCL_UNMASK));
  156. setbits_8(&gpio->par_feci2c,
  157. GPIO_PAR_FECI2C_SDA_U2TXD | GPIO_PAR_FECI2C_SCL_U2RXD);
  158. #endif
  159. break;
  160. }
  161. }
  162. #if defined(CONFIG_CMD_NET)
  163. int fecpin_setclear(struct eth_device *dev, int setclear)
  164. {
  165. gpio_t *gpio = (gpio_t *) MMAP_GPIO;
  166. if (setclear) {
  167. setbits_8(&gpio->par_fec,
  168. GPIO_PAR_FEC_7W_FEC | GPIO_PAR_FEC_MII_FEC);
  169. setbits_8(&gpio->par_feci2c,
  170. GPIO_PAR_FECI2C_MDC_MDC | GPIO_PAR_FECI2C_MDIO_MDIO);
  171. } else {
  172. clrbits_8(&gpio->par_fec,
  173. ~(GPIO_PAR_FEC_7W_UNMASK & GPIO_PAR_FEC_MII_UNMASK));
  174. clrbits_8(&gpio->par_feci2c, ~GPIO_PAR_FECI2C_RMII_UNMASK);
  175. }
  176. return 0;
  177. }
  178. #endif /* CONFIG_CMD_NET */
  179. #endif /* CONFIG_M5208 */
  180. #if defined(CONFIG_M5253)
  181. /*
  182. * Breath some life into the CPU...
  183. *
  184. * Set up the memory map,
  185. * initialize a bunch of registers,
  186. * initialize the UPM's
  187. */
  188. void cpu_init_f(void)
  189. {
  190. mbar_writeByte(MCFSIM_MPARK, 0x40); /* 5249 Internal Core takes priority over DMA */
  191. mbar_writeByte(MCFSIM_SYPCR, 0x00);
  192. mbar_writeByte(MCFSIM_SWIVR, 0x0f);
  193. mbar_writeByte(MCFSIM_SWSR, 0x00);
  194. mbar_writeByte(MCFSIM_SWDICR, 0x00);
  195. mbar_writeByte(MCFSIM_TIMER1ICR, 0x00);
  196. mbar_writeByte(MCFSIM_TIMER2ICR, 0x88);
  197. mbar_writeByte(MCFSIM_I2CICR, 0x00);
  198. mbar_writeByte(MCFSIM_UART1ICR, 0x00);
  199. mbar_writeByte(MCFSIM_UART2ICR, 0x00);
  200. mbar_writeByte(MCFSIM_ICR6, 0x00);
  201. mbar_writeByte(MCFSIM_ICR7, 0x00);
  202. mbar_writeByte(MCFSIM_ICR8, 0x00);
  203. mbar_writeByte(MCFSIM_ICR9, 0x00);
  204. mbar_writeByte(MCFSIM_QSPIICR, 0x00);
  205. mbar2_writeLong(MCFSIM_GPIO_INT_EN, 0x00000080);
  206. mbar2_writeByte(MCFSIM_INTBASE, 0x40); /* Base interrupts at 64 */
  207. mbar2_writeByte(MCFSIM_SPURVEC, 0x00);
  208. /*mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020); */ /* Enable a 1 cycle pre-drive cycle on CS1 */
  209. /* FlexBus Chipselect */
  210. init_fbcs();
  211. #ifdef CONFIG_FSL_I2C
  212. CONFIG_SYS_I2C_PINMUX_REG =
  213. CONFIG_SYS_I2C_PINMUX_REG & CONFIG_SYS_I2C_PINMUX_CLR;
  214. CONFIG_SYS_I2C_PINMUX_REG |= CONFIG_SYS_I2C_PINMUX_SET;
  215. #ifdef CONFIG_SYS_I2C2_OFFSET
  216. CONFIG_SYS_I2C2_PINMUX_REG &= CONFIG_SYS_I2C2_PINMUX_CLR;
  217. CONFIG_SYS_I2C2_PINMUX_REG |= CONFIG_SYS_I2C2_PINMUX_SET;
  218. #endif
  219. #endif
  220. /* enable instruction cache now */
  221. icache_enable();
  222. }
  223. /*initialize higher level parts of CPU like timers */
  224. int cpu_init_r(void)
  225. {
  226. return (0);
  227. }
  228. void uart_port_conf(int port)
  229. {
  230. u32 *par = (u32 *) MMAP_PAR;
  231. /* Setup Ports: */
  232. switch (port) {
  233. case 1:
  234. clrbits_be32(par, 0x00180000);
  235. setbits_be32(par, 0x00180000);
  236. break;
  237. case 2:
  238. clrbits_be32(par, 0x00000003);
  239. clrbits_be32(par, 0xFFFFFFFC);
  240. break;
  241. }
  242. }
  243. #endif /* #if defined(CONFIG_M5253) */
  244. #if defined(CONFIG_M5271)
  245. void cpu_init_f(void)
  246. {
  247. #ifndef CONFIG_WATCHDOG
  248. /* Disable the watchdog if we aren't using it */
  249. mbar_writeShort(MCF_WTM_WCR, 0);
  250. #endif
  251. /* FlexBus Chipselect */
  252. init_fbcs();
  253. #ifdef CONFIG_SYS_MCF_SYNCR
  254. /* Set clockspeed according to board header file */
  255. mbar_writeLong(MCF_FMPLL_SYNCR, CONFIG_SYS_MCF_SYNCR);
  256. #else
  257. /* Set clockspeed to 100MHz */
  258. mbar_writeLong(MCF_FMPLL_SYNCR,
  259. MCF_FMPLL_SYNCR_MFD(0) | MCF_FMPLL_SYNCR_RFD(0));
  260. #endif
  261. while (!(mbar_readByte(MCF_FMPLL_SYNSR) & MCF_FMPLL_SYNSR_LOCK)) ;
  262. }
  263. /*
  264. * initialize higher level parts of CPU like timers
  265. */
  266. int cpu_init_r(void)
  267. {
  268. return (0);
  269. }
  270. void uart_port_conf(int port)
  271. {
  272. u16 temp;
  273. /* Setup Ports: */
  274. switch (port) {
  275. case 0:
  276. temp = mbar_readShort(MCF_GPIO_PAR_UART) & 0xFFF3;
  277. temp |= (MCF_GPIO_PAR_UART_U0TXD | MCF_GPIO_PAR_UART_U0RXD);
  278. mbar_writeShort(MCF_GPIO_PAR_UART, temp);
  279. break;
  280. case 1:
  281. temp = mbar_readShort(MCF_GPIO_PAR_UART) & 0xF0FF;
  282. temp |= (MCF_GPIO_PAR_UART_U1RXD_UART1 | MCF_GPIO_PAR_UART_U1TXD_UART1);
  283. mbar_writeShort(MCF_GPIO_PAR_UART, temp);
  284. break;
  285. case 2:
  286. temp = mbar_readShort(MCF_GPIO_PAR_UART) & 0xCFFF;
  287. temp |= (0x3000);
  288. mbar_writeShort(MCF_GPIO_PAR_UART, temp);
  289. break;
  290. }
  291. }
  292. #if defined(CONFIG_CMD_NET)
  293. int fecpin_setclear(struct eth_device *dev, int setclear)
  294. {
  295. if (setclear) {
  296. /* Enable Ethernet pins */
  297. mbar_writeByte(MCF_GPIO_PAR_FECI2C,
  298. (mbar_readByte(MCF_GPIO_PAR_FECI2C) | 0xF0));
  299. } else {
  300. }
  301. return 0;
  302. }
  303. #endif /* CONFIG_CMD_NET */
  304. #endif
  305. #if defined(CONFIG_M5272)
  306. /*
  307. * Breath some life into the CPU...
  308. *
  309. * Set up the memory map,
  310. * initialize a bunch of registers,
  311. * initialize the UPM's
  312. */
  313. void cpu_init_f(void)
  314. {
  315. /* if we come from RAM we assume the CPU is
  316. * already initialized.
  317. */
  318. #ifndef CONFIG_MONITOR_IS_IN_RAM
  319. sysctrl_t *sysctrl = (sysctrl_t *) (CONFIG_SYS_MBAR);
  320. gpio_t *gpio = (gpio_t *) (MMAP_GPIO);
  321. csctrl_t *csctrl = (csctrl_t *) (MMAP_FBCS);
  322. out_be16(&sysctrl->sc_scr, CONFIG_SYS_SCR);
  323. out_be16(&sysctrl->sc_spr, CONFIG_SYS_SPR);
  324. /* Setup Ports: */
  325. out_be32(&gpio->gpio_pacnt, CONFIG_SYS_PACNT);
  326. out_be16(&gpio->gpio_paddr, CONFIG_SYS_PADDR);
  327. out_be16(&gpio->gpio_padat, CONFIG_SYS_PADAT);
  328. out_be32(&gpio->gpio_pbcnt, CONFIG_SYS_PBCNT);
  329. out_be16(&gpio->gpio_pbddr, CONFIG_SYS_PBDDR);
  330. out_be16(&gpio->gpio_pbdat, CONFIG_SYS_PBDAT);
  331. out_be32(&gpio->gpio_pdcnt, CONFIG_SYS_PDCNT);
  332. /* Memory Controller: */
  333. out_be32(&csctrl->cs_br0, CONFIG_SYS_BR0_PRELIM);
  334. out_be32(&csctrl->cs_or0, CONFIG_SYS_OR0_PRELIM);
  335. #if (defined(CONFIG_SYS_OR1_PRELIM) && defined(CONFIG_SYS_BR1_PRELIM))
  336. out_be32(&csctrl->cs_br1, CONFIG_SYS_BR1_PRELIM);
  337. out_be32(&csctrl->cs_or1, CONFIG_SYS_OR1_PRELIM);
  338. #endif
  339. #if defined(CONFIG_SYS_OR2_PRELIM) && defined(CONFIG_SYS_BR2_PRELIM)
  340. out_be32(&csctrl->cs_br2, CONFIG_SYS_BR2_PRELIM);
  341. out_be32(&csctrl->cs_or2, CONFIG_SYS_OR2_PRELIM);
  342. #endif
  343. #if defined(CONFIG_SYS_OR3_PRELIM) && defined(CONFIG_SYS_BR3_PRELIM)
  344. out_be32(&csctrl->cs_br3, CONFIG_SYS_BR3_PRELIM);
  345. out_be32(&csctrl->cs_or3, CONFIG_SYS_OR3_PRELIM);
  346. #endif
  347. #if defined(CONFIG_SYS_OR4_PRELIM) && defined(CONFIG_SYS_BR4_PRELIM)
  348. out_be32(&csctrl->cs_br4, CONFIG_SYS_BR4_PRELIM);
  349. out_be32(&csctrl->cs_or4, CONFIG_SYS_OR4_PRELIM);
  350. #endif
  351. #if defined(CONFIG_SYS_OR5_PRELIM) && defined(CONFIG_SYS_BR5_PRELIM)
  352. out_be32(&csctrl->cs_br5, CONFIG_SYS_BR5_PRELIM);
  353. out_be32(&csctrl->cs_or5, CONFIG_SYS_OR5_PRELIM);
  354. #endif
  355. #if defined(CONFIG_SYS_OR6_PRELIM) && defined(CONFIG_SYS_BR6_PRELIM)
  356. out_be32(&csctrl->cs_br6, CONFIG_SYS_BR6_PRELIM);
  357. out_be32(&csctrl->cs_or6, CONFIG_SYS_OR6_PRELIM);
  358. #endif
  359. #if defined(CONFIG_SYS_OR7_PRELIM) && defined(CONFIG_SYS_BR7_PRELIM)
  360. out_be32(&csctrl->cs_br7, CONFIG_SYS_BR7_PRELIM);
  361. out_be32(&csctrl->cs_or7, CONFIG_SYS_OR7_PRELIM);
  362. #endif
  363. #endif /* #ifndef CONFIG_MONITOR_IS_IN_RAM */
  364. /* enable instruction cache now */
  365. icache_enable();
  366. }
  367. /*
  368. * initialize higher level parts of CPU like timers
  369. */
  370. int cpu_init_r(void)
  371. {
  372. return (0);
  373. }
  374. void uart_port_conf(int port)
  375. {
  376. gpio_t *gpio = (gpio_t *) MMAP_GPIO;
  377. /* Setup Ports: */
  378. switch (port) {
  379. case 0:
  380. clrbits_be32(&gpio->gpio_pbcnt,
  381. GPIO_PBCNT_PB0MSK | GPIO_PBCNT_PB1MSK);
  382. setbits_be32(&gpio->gpio_pbcnt,
  383. GPIO_PBCNT_URT0_TXD | GPIO_PBCNT_URT0_RXD);
  384. break;
  385. case 1:
  386. clrbits_be32(&gpio->gpio_pdcnt,
  387. GPIO_PDCNT_PD1MSK | GPIO_PDCNT_PD4MSK);
  388. setbits_be32(&gpio->gpio_pdcnt,
  389. GPIO_PDCNT_URT1_RXD | GPIO_PDCNT_URT1_TXD);
  390. break;
  391. }
  392. }
  393. #if defined(CONFIG_CMD_NET)
  394. int fecpin_setclear(struct eth_device *dev, int setclear)
  395. {
  396. gpio_t *gpio = (gpio_t *) MMAP_GPIO;
  397. if (setclear) {
  398. setbits_be32(&gpio->gpio_pbcnt,
  399. GPIO_PBCNT_E_MDC | GPIO_PBCNT_E_RXER |
  400. GPIO_PBCNT_E_RXD1 | GPIO_PBCNT_E_RXD2 |
  401. GPIO_PBCNT_E_RXD3 | GPIO_PBCNT_E_TXD1 |
  402. GPIO_PBCNT_E_TXD2 | GPIO_PBCNT_E_TXD3);
  403. } else {
  404. }
  405. return 0;
  406. }
  407. #endif /* CONFIG_CMD_NET */
  408. #endif /* #if defined(CONFIG_M5272) */
  409. #if defined(CONFIG_M5275)
  410. /*
  411. * Breathe some life into the CPU...
  412. *
  413. * Set up the memory map,
  414. * initialize a bunch of registers,
  415. * initialize the UPM's
  416. */
  417. void cpu_init_f(void)
  418. {
  419. /*
  420. * if we come from RAM we assume the CPU is
  421. * already initialized.
  422. */
  423. #ifndef CONFIG_MONITOR_IS_IN_RAM
  424. wdog_t *wdog_reg = (wdog_t *) (MMAP_WDOG);
  425. gpio_t *gpio_reg = (gpio_t *) (MMAP_GPIO);
  426. /* Kill watchdog so we can initialize the PLL */
  427. out_be16(&wdog_reg->wcr, 0);
  428. /* FlexBus Chipselect */
  429. init_fbcs();
  430. #endif /* #ifndef CONFIG_MONITOR_IS_IN_RAM */
  431. #ifdef CONFIG_FSL_I2C
  432. CONFIG_SYS_I2C_PINMUX_REG &= CONFIG_SYS_I2C_PINMUX_CLR;
  433. CONFIG_SYS_I2C_PINMUX_REG |= CONFIG_SYS_I2C_PINMUX_SET;
  434. #endif
  435. /* enable instruction cache now */
  436. icache_enable();
  437. }
  438. /*
  439. * initialize higher level parts of CPU like timers
  440. */
  441. int cpu_init_r(void)
  442. {
  443. return (0);
  444. }
  445. void uart_port_conf(int port)
  446. {
  447. gpio_t *gpio = (gpio_t *) MMAP_GPIO;
  448. /* Setup Ports: */
  449. switch (port) {
  450. case 0:
  451. clrbits_be16(&gpio->par_uart, UART0_ENABLE_MASK);
  452. setbits_be16(&gpio->par_uart, UART0_ENABLE_MASK);
  453. break;
  454. case 1:
  455. clrbits_be16(&gpio->par_uart, UART1_ENABLE_MASK);
  456. setbits_be16(&gpio->par_uart, UART1_ENABLE_MASK);
  457. break;
  458. case 2:
  459. clrbits_be16(&gpio->par_uart, UART2_ENABLE_MASK);
  460. setbits_be16(&gpio->par_uart, UART2_ENABLE_MASK);
  461. break;
  462. }
  463. }
  464. #if defined(CONFIG_CMD_NET)
  465. int fecpin_setclear(struct eth_device *dev, int setclear)
  466. {
  467. struct fec_info_s *info = (struct fec_info_s *) dev->priv;
  468. gpio_t *gpio = (gpio_t *)MMAP_GPIO;
  469. if (setclear) {
  470. /* Enable Ethernet pins */
  471. if (info->iobase == CONFIG_SYS_FEC0_IOBASE) {
  472. setbits_be16(&gpio->par_feci2c, 0x0f00);
  473. setbits_8(&gpio->par_fec0hl, 0xc0);
  474. } else {
  475. setbits_be16(&gpio->par_feci2c, 0x00a0);
  476. setbits_8(&gpio->par_fec1hl, 0xc0);
  477. }
  478. } else {
  479. if (info->iobase == CONFIG_SYS_FEC0_IOBASE) {
  480. clrbits_be16(&gpio->par_feci2c, 0x0f00);
  481. clrbits_8(&gpio->par_fec0hl, 0xc0);
  482. } else {
  483. clrbits_be16(&gpio->par_feci2c, 0x00a0);
  484. clrbits_8(&gpio->par_fec1hl, 0xc0);
  485. }
  486. }
  487. return 0;
  488. }
  489. #endif /* CONFIG_CMD_NET */
  490. #endif /* #if defined(CONFIG_M5275) */
  491. #if defined(CONFIG_M5282)
  492. /*
  493. * Breath some life into the CPU...
  494. *
  495. * Set up the memory map,
  496. * initialize a bunch of registers,
  497. * initialize the UPM's
  498. */
  499. void cpu_init_f(void)
  500. {
  501. #ifndef CONFIG_WATCHDOG
  502. /* disable watchdog if we aren't using it */
  503. MCFWTM_WCR = 0;
  504. #endif
  505. #ifndef CONFIG_MONITOR_IS_IN_RAM
  506. /* Set speed /PLL */
  507. MCFCLOCK_SYNCR =
  508. MCFCLOCK_SYNCR_MFD(CONFIG_SYS_MFD) |
  509. MCFCLOCK_SYNCR_RFD(CONFIG_SYS_RFD);
  510. while (!(MCFCLOCK_SYNSR & MCFCLOCK_SYNSR_LOCK)) ;
  511. MCFGPIO_PBCDPAR = 0xc0;
  512. /* Set up the GPIO ports */
  513. #ifdef CONFIG_SYS_PEPAR
  514. MCFGPIO_PEPAR = CONFIG_SYS_PEPAR;
  515. #endif
  516. #ifdef CONFIG_SYS_PFPAR
  517. MCFGPIO_PFPAR = CONFIG_SYS_PFPAR;
  518. #endif
  519. #ifdef CONFIG_SYS_PJPAR
  520. MCFGPIO_PJPAR = CONFIG_SYS_PJPAR;
  521. #endif
  522. #ifdef CONFIG_SYS_PSDPAR
  523. MCFGPIO_PSDPAR = CONFIG_SYS_PSDPAR;
  524. #endif
  525. #ifdef CONFIG_SYS_PASPAR
  526. MCFGPIO_PASPAR = CONFIG_SYS_PASPAR;
  527. #endif
  528. #ifdef CONFIG_SYS_PEHLPAR
  529. MCFGPIO_PEHLPAR = CONFIG_SYS_PEHLPAR;
  530. #endif
  531. #ifdef CONFIG_SYS_PQSPAR
  532. MCFGPIO_PQSPAR = CONFIG_SYS_PQSPAR;
  533. #endif
  534. #ifdef CONFIG_SYS_PTCPAR
  535. MCFGPIO_PTCPAR = CONFIG_SYS_PTCPAR;
  536. #endif
  537. #if defined(CONFIG_SYS_PORTTC)
  538. MCFGPIO_PORTTC = CONFIG_SYS_PORTTC;
  539. #endif
  540. #if defined(CONFIG_SYS_DDRTC)
  541. MCFGPIO_DDRTC = CONFIG_SYS_DDRTC;
  542. #endif
  543. #ifdef CONFIG_SYS_PTDPAR
  544. MCFGPIO_PTDPAR = CONFIG_SYS_PTDPAR;
  545. #endif
  546. #ifdef CONFIG_SYS_PUAPAR
  547. MCFGPIO_PUAPAR = CONFIG_SYS_PUAPAR;
  548. #endif
  549. #if defined(CONFIG_SYS_DDRD)
  550. MCFGPIO_DDRD = CONFIG_SYS_DDRD;
  551. #endif
  552. #ifdef CONFIG_SYS_DDRUA
  553. MCFGPIO_DDRUA = CONFIG_SYS_DDRUA;
  554. #endif
  555. /* FlexBus Chipselect */
  556. init_fbcs();
  557. #endif /* CONFIG_MONITOR_IS_IN_RAM */
  558. /* defer enabling cache until boot (see do_go) */
  559. /* icache_enable(); */
  560. }
  561. /*
  562. * initialize higher level parts of CPU like timers
  563. */
  564. int cpu_init_r(void)
  565. {
  566. return (0);
  567. }
  568. void uart_port_conf(int port)
  569. {
  570. /* Setup Ports: */
  571. switch (port) {
  572. case 0:
  573. MCFGPIO_PUAPAR &= 0xFc;
  574. MCFGPIO_PUAPAR |= 0x03;
  575. break;
  576. case 1:
  577. MCFGPIO_PUAPAR &= 0xF3;
  578. MCFGPIO_PUAPAR |= 0x0C;
  579. break;
  580. case 2:
  581. MCFGPIO_PASPAR &= 0xFF0F;
  582. MCFGPIO_PASPAR |= 0x00A0;
  583. break;
  584. }
  585. }
  586. #if defined(CONFIG_CMD_NET)
  587. int fecpin_setclear(struct eth_device *dev, int setclear)
  588. {
  589. if (setclear) {
  590. MCFGPIO_PASPAR |= 0x0F00;
  591. MCFGPIO_PEHLPAR = CONFIG_SYS_PEHLPAR;
  592. } else {
  593. MCFGPIO_PASPAR &= 0xF0FF;
  594. MCFGPIO_PEHLPAR &= ~CONFIG_SYS_PEHLPAR;
  595. }
  596. return 0;
  597. }
  598. #endif /* CONFIG_CMD_NET */
  599. #endif
  600. #if defined(CONFIG_M5249)
  601. /*
  602. * Breath some life into the CPU...
  603. *
  604. * Set up the memory map,
  605. * initialize a bunch of registers,
  606. * initialize the UPM's
  607. */
  608. void cpu_init_f(void)
  609. {
  610. /*
  611. * NOTE: by setting the GPIO_FUNCTION registers, we ensure that the UART pins
  612. * (UART0: gpio 30,27, UART1: gpio 31, 28) will be used as UART pins
  613. * which is their primary function.
  614. * ~Jeremy
  615. */
  616. mbar2_writeLong(MCFSIM_GPIO_FUNC, CONFIG_SYS_GPIO_FUNC);
  617. mbar2_writeLong(MCFSIM_GPIO1_FUNC, CONFIG_SYS_GPIO1_FUNC);
  618. mbar2_writeLong(MCFSIM_GPIO_EN, CONFIG_SYS_GPIO_EN);
  619. mbar2_writeLong(MCFSIM_GPIO1_EN, CONFIG_SYS_GPIO1_EN);
  620. mbar2_writeLong(MCFSIM_GPIO_OUT, CONFIG_SYS_GPIO_OUT);
  621. mbar2_writeLong(MCFSIM_GPIO1_OUT, CONFIG_SYS_GPIO1_OUT);
  622. /*
  623. * dBug Compliance:
  624. * You can verify these values by using dBug's 'ird'
  625. * (Internal Register Display) command
  626. * ~Jeremy
  627. *
  628. */
  629. mbar_writeByte(MCFSIM_MPARK, 0x30); /* 5249 Internal Core takes priority over DMA */
  630. mbar_writeByte(MCFSIM_SYPCR, 0x00);
  631. mbar_writeByte(MCFSIM_SWIVR, 0x0f);
  632. mbar_writeByte(MCFSIM_SWSR, 0x00);
  633. mbar_writeLong(MCFSIM_IMR, 0xfffffbff);
  634. mbar_writeByte(MCFSIM_SWDICR, 0x00);
  635. mbar_writeByte(MCFSIM_TIMER1ICR, 0x00);
  636. mbar_writeByte(MCFSIM_TIMER2ICR, 0x88);
  637. mbar_writeByte(MCFSIM_I2CICR, 0x00);
  638. mbar_writeByte(MCFSIM_UART1ICR, 0x00);
  639. mbar_writeByte(MCFSIM_UART2ICR, 0x00);
  640. mbar_writeByte(MCFSIM_ICR6, 0x00);
  641. mbar_writeByte(MCFSIM_ICR7, 0x00);
  642. mbar_writeByte(MCFSIM_ICR8, 0x00);
  643. mbar_writeByte(MCFSIM_ICR9, 0x00);
  644. mbar_writeByte(MCFSIM_QSPIICR, 0x00);
  645. mbar2_writeLong(MCFSIM_GPIO_INT_EN, 0x00000080);
  646. mbar2_writeByte(MCFSIM_INTBASE, 0x40); /* Base interrupts at 64 */
  647. mbar2_writeByte(MCFSIM_SPURVEC, 0x00);
  648. mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020); /* Enable a 1 cycle pre-drive cycle on CS1 */
  649. /* Setup interrupt priorities for gpio7 */
  650. /* mbar2_writeLong(MCFSIM_INTLEV5, 0x70000000); */
  651. /* IDE Config registers */
  652. mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020);
  653. mbar2_writeLong(MCFSIM_IDECONFIG2, 0x00000000);
  654. /* FlexBus Chipselect */
  655. init_fbcs();
  656. /* enable instruction cache now */
  657. icache_enable();
  658. }
  659. /*
  660. * initialize higher level parts of CPU like timers
  661. */
  662. int cpu_init_r(void)
  663. {
  664. return (0);
  665. }
  666. void uart_port_conf(int port)
  667. {
  668. }
  669. #endif /* #if defined(CONFIG_M5249) */