mpc8541cds.c 16 KB

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  1. /*
  2. * Copyright 2004 Freescale Semiconductor.
  3. *
  4. * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
  5. *
  6. * See file CREDITS for list of people who contributed to this
  7. * project.
  8. *
  9. * This program is free software; you can redistribute it and/or
  10. * modify it under the terms of the GNU General Public License as
  11. * published by the Free Software Foundation; either version 2 of
  12. * the License, or (at your option) any later version.
  13. *
  14. * This program is distributed in the hope that it will be useful,
  15. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17. * GNU General Public License for more details.
  18. *
  19. * You should have received a copy of the GNU General Public License
  20. * along with this program; if not, write to the Free Software
  21. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22. * MA 02111-1307 USA
  23. */
  24. #include <common.h>
  25. #include <pci.h>
  26. #include <asm/processor.h>
  27. #include <asm/immap_85xx.h>
  28. #include <ioports.h>
  29. #include <spd.h>
  30. #include "../common/cadmus.h"
  31. #include "../common/eeprom.h"
  32. #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
  33. extern void ddr_enable_ecc(unsigned int dram_size);
  34. #endif
  35. extern long int spd_sdram(void);
  36. void local_bus_init(void);
  37. void sdram_init(void);
  38. /*
  39. * I/O Port configuration table
  40. *
  41. * if conf is 1, then that port pin will be configured at boot time
  42. * according to the five values podr/pdir/ppar/psor/pdat for that entry
  43. */
  44. const iop_conf_t iop_conf_tab[4][32] = {
  45. /* Port A configuration */
  46. { /* conf ppar psor pdir podr pdat */
  47. /* PA31 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxENB */
  48. /* PA30 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 TxClav */
  49. /* PA29 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxSOC */
  50. /* PA28 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 RxENB */
  51. /* PA27 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxSOC */
  52. /* PA26 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxClav */
  53. /* PA25 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[0] */
  54. /* PA24 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[1] */
  55. /* PA23 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[2] */
  56. /* PA22 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[3] */
  57. /* PA21 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[4] */
  58. /* PA20 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[5] */
  59. /* PA19 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[6] */
  60. /* PA18 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[7] */
  61. /* PA17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[7] */
  62. /* PA16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[6] */
  63. /* PA15 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[5] */
  64. /* PA14 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[4] */
  65. /* PA13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[3] */
  66. /* PA12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[2] */
  67. /* PA11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[1] */
  68. /* PA10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[0] */
  69. /* PA9 */ { 0, 1, 1, 1, 0, 0 }, /* FCC1 L1TXD */
  70. /* PA8 */ { 0, 1, 1, 0, 0, 0 }, /* FCC1 L1RXD */
  71. /* PA7 */ { 0, 0, 0, 1, 0, 0 }, /* PA7 */
  72. /* PA6 */ { 0, 1, 1, 1, 0, 0 }, /* TDM A1 L1RSYNC */
  73. /* PA5 */ { 0, 0, 0, 1, 0, 0 }, /* PA5 */
  74. /* PA4 */ { 0, 0, 0, 1, 0, 0 }, /* PA4 */
  75. /* PA3 */ { 0, 0, 0, 1, 0, 0 }, /* PA3 */
  76. /* PA2 */ { 0, 0, 0, 1, 0, 0 }, /* PA2 */
  77. /* PA1 */ { 1, 0, 0, 0, 0, 0 }, /* FREERUN */
  78. /* PA0 */ { 0, 0, 0, 1, 0, 0 } /* PA0 */
  79. },
  80. /* Port B configuration */
  81. { /* conf ppar psor pdir podr pdat */
  82. /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */
  83. /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */
  84. /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */
  85. /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */
  86. /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */
  87. /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */
  88. /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */
  89. /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */
  90. /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */
  91. /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */
  92. /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */
  93. /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */
  94. /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */
  95. /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */
  96. /* PB17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_DIV */
  97. /* PB16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_ERR */
  98. /* PB15 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_ERR */
  99. /* PB14 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_EN */
  100. /* PB13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:COL */
  101. /* PB12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:CRS */
  102. /* PB11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
  103. /* PB10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
  104. /* PB9 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
  105. /* PB8 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
  106. /* PB7 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
  107. /* PB6 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
  108. /* PB5 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
  109. /* PB4 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
  110. /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
  111. /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
  112. /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
  113. /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
  114. },
  115. /* Port C */
  116. { /* conf ppar psor pdir podr pdat */
  117. /* PC31 */ { 0, 0, 0, 1, 0, 0 }, /* PC31 */
  118. /* PC30 */ { 0, 0, 0, 1, 0, 0 }, /* PC30 */
  119. /* PC29 */ { 0, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */
  120. /* PC28 */ { 0, 0, 0, 1, 0, 0 }, /* PC28 */
  121. /* PC27 */ { 0, 0, 0, 1, 0, 0 }, /* UART Clock in */
  122. /* PC26 */ { 0, 0, 0, 1, 0, 0 }, /* PC26 */
  123. /* PC25 */ { 0, 0, 0, 1, 0, 0 }, /* PC25 */
  124. /* PC24 */ { 0, 0, 0, 1, 0, 0 }, /* PC24 */
  125. /* PC23 */ { 0, 1, 0, 1, 0, 0 }, /* ATMTFCLK */
  126. /* PC22 */ { 0, 1, 0, 0, 0, 0 }, /* ATMRFCLK */
  127. /* PC21 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */
  128. /* PC20 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */
  129. /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK CLK13 */
  130. /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK14) */
  131. /* PC17 */ { 0, 0, 0, 1, 0, 0 }, /* PC17 */
  132. /* PC16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK16) */
  133. /* PC15 */ { 1, 1, 0, 0, 0, 0 }, /* PC15 */
  134. /* PC14 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */
  135. /* PC13 */ { 0, 0, 0, 1, 0, 0 }, /* PC13 */
  136. /* PC12 */ { 0, 1, 0, 1, 0, 0 }, /* PC12 */
  137. /* PC11 */ { 0, 0, 0, 1, 0, 0 }, /* LXT971 transmit control */
  138. /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* FETHMDC */
  139. /* PC9 */ { 1, 0, 0, 0, 0, 0 }, /* FETHMDIO */
  140. /* PC8 */ { 0, 0, 0, 1, 0, 0 }, /* PC8 */
  141. /* PC7 */ { 0, 0, 0, 1, 0, 0 }, /* PC7 */
  142. /* PC6 */ { 0, 0, 0, 1, 0, 0 }, /* PC6 */
  143. /* PC5 */ { 0, 0, 0, 1, 0, 0 }, /* PC5 */
  144. /* PC4 */ { 0, 0, 0, 1, 0, 0 }, /* PC4 */
  145. /* PC3 */ { 0, 0, 0, 1, 0, 0 }, /* PC3 */
  146. /* PC2 */ { 0, 0, 0, 1, 0, 1 }, /* ENET FDE */
  147. /* PC1 */ { 0, 0, 0, 1, 0, 0 }, /* ENET DSQE */
  148. /* PC0 */ { 0, 0, 0, 1, 0, 0 }, /* ENET LBK */
  149. },
  150. /* Port D */
  151. { /* conf ppar psor pdir podr pdat */
  152. /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RxD */
  153. /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 EN TxD */
  154. /* PD29 */ { 1, 1, 0, 1, 0, 0 }, /* SCC1 EN TENA */
  155. /* PD28 */ { 0, 1, 0, 0, 0, 0 }, /* PD28 */
  156. /* PD27 */ { 0, 1, 1, 1, 0, 0 }, /* PD27 */
  157. /* PD26 */ { 0, 0, 0, 1, 0, 0 }, /* PD26 */
  158. /* PD25 */ { 0, 0, 0, 1, 0, 0 }, /* PD25 */
  159. /* PD24 */ { 0, 0, 0, 1, 0, 0 }, /* PD24 */
  160. /* PD23 */ { 0, 0, 0, 1, 0, 0 }, /* PD23 */
  161. /* PD22 */ { 0, 0, 0, 1, 0, 0 }, /* PD22 */
  162. /* PD21 */ { 0, 0, 0, 1, 0, 0 }, /* PD21 */
  163. /* PD20 */ { 0, 0, 0, 1, 0, 0 }, /* PD20 */
  164. /* PD19 */ { 0, 0, 0, 1, 0, 0 }, /* PD19 */
  165. /* PD18 */ { 0, 0, 0, 1, 0, 0 }, /* PD18 */
  166. /* PD17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */
  167. /* PD16 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */
  168. /* PD15 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SDA */
  169. /* PD14 */ { 0, 0, 0, 1, 0, 0 }, /* LED */
  170. /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */
  171. /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */
  172. /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */
  173. /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */
  174. /* PD9 */ { 0, 1, 0, 1, 0, 0 }, /* SMC1 TXD */
  175. /* PD8 */ { 0, 1, 0, 0, 0, 0 }, /* SMC1 RXD */
  176. /* PD7 */ { 0, 0, 0, 1, 0, 1 }, /* PD7 */
  177. /* PD6 */ { 0, 0, 0, 1, 0, 1 }, /* PD6 */
  178. /* PD5 */ { 0, 0, 0, 1, 0, 1 }, /* PD5 */
  179. /* PD4 */ { 0, 0, 0, 1, 0, 1 }, /* PD4 */
  180. /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
  181. /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
  182. /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
  183. /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
  184. }
  185. };
  186. int board_early_init_f (void)
  187. {
  188. return 0;
  189. }
  190. int checkboard (void)
  191. {
  192. volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
  193. volatile ccsr_gur_t *gur = &immap->im_gur;
  194. /* PCI slot in USER bits CSR[6:7] by convention. */
  195. uint pci_slot = get_pci_slot ();
  196. uint pci_dual = get_pci_dual (); /* PCI DUAL in CM_PCI[3] */
  197. uint pci1_32 = gur->pordevsr & 0x10000; /* PORDEVSR[15] */
  198. uint pci1_clk_sel = gur->porpllsr & 0x8000; /* PORPLLSR[16] */
  199. uint pci2_clk_sel = gur->porpllsr & 0x4000; /* PORPLLSR[17] */
  200. uint pci1_speed = get_clock_freq (); /* PCI PSPEED in [4:5] */
  201. uint cpu_board_rev = get_cpu_board_revision ();
  202. printf ("Board: CDS Version 0x%02x, PCI Slot %d\n",
  203. get_board_version (), pci_slot);
  204. printf ("CPU Board Revision %d.%d (0x%04x)\n",
  205. MPC85XX_CPU_BOARD_MAJOR (cpu_board_rev),
  206. MPC85XX_CPU_BOARD_MINOR (cpu_board_rev), cpu_board_rev);
  207. printf (" PCI1: %d bit, %s MHz, %s\n",
  208. (pci1_32) ? 32 : 64,
  209. (pci1_speed == 33000000) ? "33" :
  210. (pci1_speed == 66000000) ? "66" : "unknown",
  211. pci1_clk_sel ? "sync" : "async");
  212. if (pci_dual) {
  213. printf (" PCI2: 32 bit, 66 MHz, %s\n",
  214. pci2_clk_sel ? "sync" : "async");
  215. } else {
  216. printf (" PCI2: disabled\n");
  217. }
  218. /*
  219. * Initialize local bus.
  220. */
  221. local_bus_init ();
  222. return 0;
  223. }
  224. long int
  225. initdram(int board_type)
  226. {
  227. long dram_size = 0;
  228. volatile immap_t *immap = (immap_t *)CFG_IMMR;
  229. puts("Initializing\n");
  230. #if defined(CONFIG_DDR_DLL)
  231. {
  232. /*
  233. * Work around to stabilize DDR DLL MSYNC_IN.
  234. * Errata DDR9 seems to have been fixed.
  235. * This is now the workaround for Errata DDR11:
  236. * Override DLL = 1, Course Adj = 1, Tap Select = 0
  237. */
  238. volatile ccsr_gur_t *gur= &immap->im_gur;
  239. gur->ddrdllcr = 0x81000000;
  240. asm("sync;isync;msync");
  241. udelay(200);
  242. }
  243. #endif
  244. dram_size = spd_sdram();
  245. #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
  246. /*
  247. * Initialize and enable DDR ECC.
  248. */
  249. ddr_enable_ecc(dram_size);
  250. #endif
  251. /*
  252. * SDRAM Initialization
  253. */
  254. sdram_init();
  255. puts(" DDR: ");
  256. return dram_size;
  257. }
  258. /*
  259. * Initialize Local Bus
  260. */
  261. void
  262. local_bus_init(void)
  263. {
  264. volatile immap_t *immap = (immap_t *)CFG_IMMR;
  265. volatile ccsr_gur_t *gur = &immap->im_gur;
  266. volatile ccsr_lbc_t *lbc = &immap->im_lbc;
  267. uint clkdiv;
  268. uint lbc_hz;
  269. sys_info_t sysinfo;
  270. uint temp_lbcdll;
  271. /*
  272. * Errata LBC11.
  273. * Fix Local Bus clock glitch when DLL is enabled.
  274. *
  275. * If localbus freq is < 66Mhz, DLL bypass mode must be used.
  276. * If localbus freq is > 133Mhz, DLL can be safely enabled.
  277. * Between 66 and 133, the DLL is enabled with an override workaround.
  278. */
  279. get_sys_info(&sysinfo);
  280. clkdiv = lbc->lcrr & 0x0f;
  281. lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;
  282. if (lbc_hz < 66) {
  283. lbc->lcrr |= 0x80000000; /* DLL Bypass */
  284. } else if (lbc_hz >= 133) {
  285. lbc->lcrr &= (~0x80000000); /* DLL Enabled */
  286. } else {
  287. lbc->lcrr &= (~0x8000000); /* DLL Enabled */
  288. udelay(200);
  289. /*
  290. * Sample LBC DLL ctrl reg, upshift it to set the
  291. * override bits.
  292. */
  293. temp_lbcdll = gur->lbcdllcr;
  294. gur->lbcdllcr = (((temp_lbcdll & 0xff) << 16) | 0x80000000);
  295. asm("sync;isync;msync");
  296. }
  297. }
  298. /*
  299. * Initialize SDRAM memory on the Local Bus.
  300. */
  301. void
  302. sdram_init(void)
  303. {
  304. #if defined(CFG_OR2_PRELIM) && defined(CFG_BR2_PRELIM)
  305. uint idx;
  306. volatile immap_t *immap = (immap_t *)CFG_IMMR;
  307. volatile ccsr_lbc_t *lbc = &immap->im_lbc;
  308. uint *sdram_addr = (uint *)CFG_LBC_SDRAM_BASE;
  309. uint cpu_board_rev;
  310. uint lsdmr_common;
  311. puts(" SDRAM: ");
  312. print_size (CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
  313. /*
  314. * Setup SDRAM Base and Option Registers
  315. */
  316. lbc->or2 = CFG_OR2_PRELIM;
  317. asm("msync");
  318. lbc->br2 = CFG_BR2_PRELIM;
  319. asm("msync");
  320. lbc->lbcr = CFG_LBC_LBCR;
  321. asm("msync");
  322. lbc->lsrt = CFG_LBC_LSRT;
  323. lbc->mrtpr = CFG_LBC_MRTPR;
  324. asm("msync");
  325. /*
  326. * Determine which address lines to use baed on CPU board rev.
  327. */
  328. cpu_board_rev = get_cpu_board_revision();
  329. lsdmr_common = CFG_LBC_LSDMR_COMMON;
  330. if (cpu_board_rev == MPC85XX_CPU_BOARD_REV_1_0) {
  331. lsdmr_common |= CFG_LBC_LSDMR_BSMA1617;
  332. } else if (cpu_board_rev == MPC85XX_CPU_BOARD_REV_1_1) {
  333. lsdmr_common |= CFG_LBC_LSDMR_BSMA1516;
  334. } else {
  335. /*
  336. * Assume something unable to identify itself is
  337. * really old, and likely has lines 16/17 mapped.
  338. */
  339. lsdmr_common |= CFG_LBC_LSDMR_BSMA1617;
  340. }
  341. /*
  342. * Issue PRECHARGE ALL command.
  343. */
  344. lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_PCHALL;
  345. asm("sync;msync");
  346. *sdram_addr = 0xff;
  347. ppcDcbf((unsigned long) sdram_addr);
  348. udelay(100);
  349. /*
  350. * Issue 8 AUTO REFRESH commands.
  351. */
  352. for (idx = 0; idx < 8; idx++) {
  353. lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_ARFRSH;
  354. asm("sync;msync");
  355. *sdram_addr = 0xff;
  356. ppcDcbf((unsigned long) sdram_addr);
  357. udelay(100);
  358. }
  359. /*
  360. * Issue 8 MODE-set command.
  361. */
  362. lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_MRW;
  363. asm("sync;msync");
  364. *sdram_addr = 0xff;
  365. ppcDcbf((unsigned long) sdram_addr);
  366. udelay(100);
  367. /*
  368. * Issue NORMAL OP command.
  369. */
  370. lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_NORMAL;
  371. asm("sync;msync");
  372. *sdram_addr = 0xff;
  373. ppcDcbf((unsigned long) sdram_addr);
  374. udelay(200); /* Overkill. Must wait > 200 bus cycles */
  375. #endif /* enable SDRAM init */
  376. }
  377. #if defined(CFG_DRAM_TEST)
  378. int
  379. testdram(void)
  380. {
  381. uint *pstart = (uint *) CFG_MEMTEST_START;
  382. uint *pend = (uint *) CFG_MEMTEST_END;
  383. uint *p;
  384. printf("Testing DRAM from 0x%08x to 0x%08x\n",
  385. CFG_MEMTEST_START,
  386. CFG_MEMTEST_END);
  387. printf("DRAM test phase 1:\n");
  388. for (p = pstart; p < pend; p++)
  389. *p = 0xaaaaaaaa;
  390. for (p = pstart; p < pend; p++) {
  391. if (*p != 0xaaaaaaaa) {
  392. printf ("DRAM test fails at: %08x\n", (uint) p);
  393. return 1;
  394. }
  395. }
  396. printf("DRAM test phase 2:\n");
  397. for (p = pstart; p < pend; p++)
  398. *p = 0x55555555;
  399. for (p = pstart; p < pend; p++) {
  400. if (*p != 0x55555555) {
  401. printf ("DRAM test fails at: %08x\n", (uint) p);
  402. return 1;
  403. }
  404. }
  405. printf("DRAM test passed.\n");
  406. return 0;
  407. }
  408. #endif
  409. #if defined(CONFIG_PCI)
  410. /*
  411. * Initialize PCI Devices, report devices found.
  412. */
  413. #ifndef CONFIG_PCI_PNP
  414. static struct pci_config_table pci_mpc85xxcds_config_table[] = {
  415. { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
  416. PCI_IDSEL_NUMBER, PCI_ANY_ID,
  417. pci_cfgfunc_config_device, { PCI_ENET0_IOADDR,
  418. PCI_ENET0_MEMADDR,
  419. PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER
  420. } },
  421. { }
  422. };
  423. #endif
  424. static struct pci_controller hose = {
  425. #ifndef CONFIG_PCI_PNP
  426. config_table: pci_mpc85xxcds_config_table,
  427. #endif
  428. };
  429. #endif /* CONFIG_PCI */
  430. void
  431. pci_init_board(void)
  432. {
  433. #ifdef CONFIG_PCI
  434. extern void pci_mpc85xx_init(struct pci_controller *hose);
  435. pci_mpc85xx_init(&hose);
  436. #endif
  437. }