mpc8560ads.c 17 KB

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  1. /*
  2. * Copyright 2004 Freescale Semiconductor.
  3. * (C) Copyright 2003,Motorola Inc.
  4. * Xianghua Xiao, (X.Xiao@motorola.com)
  5. *
  6. * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
  7. *
  8. * See file CREDITS for list of people who contributed to this
  9. * project.
  10. *
  11. * This program is free software; you can redistribute it and/or
  12. * modify it under the terms of the GNU General Public License as
  13. * published by the Free Software Foundation; either version 2 of
  14. * the License, or (at your option) any later version.
  15. *
  16. * This program is distributed in the hope that it will be useful,
  17. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  19. * GNU General Public License for more details.
  20. *
  21. * You should have received a copy of the GNU General Public License
  22. * along with this program; if not, write to the Free Software
  23. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  24. * MA 02111-1307 USA
  25. */
  26. #include <common.h>
  27. #include <pci.h>
  28. #include <asm/processor.h>
  29. #include <asm/immap_85xx.h>
  30. #include <ioports.h>
  31. #include <spd_sdram.h>
  32. #include <miiphy.h>
  33. #include <libfdt.h>
  34. #include <fdt_support.h>
  35. #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
  36. extern void ddr_enable_ecc(unsigned int dram_size);
  37. #endif
  38. void local_bus_init(void);
  39. void sdram_init(void);
  40. long int fixed_sdram(void);
  41. /*
  42. * I/O Port configuration table
  43. *
  44. * if conf is 1, then that port pin will be configured at boot time
  45. * according to the five values podr/pdir/ppar/psor/pdat for that entry
  46. */
  47. const iop_conf_t iop_conf_tab[4][32] = {
  48. /* Port A configuration */
  49. { /* conf ppar psor pdir podr pdat */
  50. /* PA31 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxENB */
  51. /* PA30 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 TxClav */
  52. /* PA29 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxSOC */
  53. /* PA28 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 RxENB */
  54. /* PA27 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxSOC */
  55. /* PA26 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxClav */
  56. /* PA25 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[0] */
  57. /* PA24 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[1] */
  58. /* PA23 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[2] */
  59. /* PA22 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[3] */
  60. /* PA21 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[4] */
  61. /* PA20 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[5] */
  62. /* PA19 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[6] */
  63. /* PA18 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[7] */
  64. /* PA17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[7] */
  65. /* PA16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[6] */
  66. /* PA15 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[5] */
  67. /* PA14 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[4] */
  68. /* PA13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[3] */
  69. /* PA12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[2] */
  70. /* PA11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[1] */
  71. /* PA10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[0] */
  72. /* PA9 */ { 0, 1, 1, 1, 0, 0 }, /* FCC1 L1TXD */
  73. /* PA8 */ { 0, 1, 1, 0, 0, 0 }, /* FCC1 L1RXD */
  74. /* PA7 */ { 0, 0, 0, 1, 0, 0 }, /* PA7 */
  75. /* PA6 */ { 0, 1, 1, 1, 0, 0 }, /* TDM A1 L1RSYNC */
  76. /* PA5 */ { 0, 0, 0, 1, 0, 0 }, /* PA5 */
  77. /* PA4 */ { 0, 0, 0, 1, 0, 0 }, /* PA4 */
  78. /* PA3 */ { 0, 0, 0, 1, 0, 0 }, /* PA3 */
  79. /* PA2 */ { 0, 0, 0, 1, 0, 0 }, /* PA2 */
  80. /* PA1 */ { 1, 0, 0, 0, 0, 0 }, /* FREERUN */
  81. /* PA0 */ { 0, 0, 0, 1, 0, 0 } /* PA0 */
  82. },
  83. /* Port B configuration */
  84. { /* conf ppar psor pdir podr pdat */
  85. /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */
  86. /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */
  87. /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */
  88. /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */
  89. /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */
  90. /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */
  91. /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */
  92. /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */
  93. /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */
  94. /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */
  95. /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */
  96. /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */
  97. /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */
  98. /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */
  99. /* PB17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_DIV */
  100. /* PB16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_ERR */
  101. /* PB15 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_ERR */
  102. /* PB14 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_EN */
  103. /* PB13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:COL */
  104. /* PB12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:CRS */
  105. /* PB11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
  106. /* PB10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
  107. /* PB9 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
  108. /* PB8 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
  109. /* PB7 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
  110. /* PB6 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
  111. /* PB5 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
  112. /* PB4 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
  113. /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
  114. /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
  115. /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
  116. /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
  117. },
  118. /* Port C */
  119. { /* conf ppar psor pdir podr pdat */
  120. /* PC31 */ { 0, 0, 0, 1, 0, 0 }, /* PC31 */
  121. /* PC30 */ { 0, 0, 0, 1, 0, 0 }, /* PC30 */
  122. /* PC29 */ { 0, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */
  123. /* PC28 */ { 0, 0, 0, 1, 0, 0 }, /* PC28 */
  124. /* PC27 */ { 0, 0, 0, 1, 0, 0 }, /* UART Clock in */
  125. /* PC26 */ { 0, 0, 0, 1, 0, 0 }, /* PC26 */
  126. /* PC25 */ { 0, 0, 0, 1, 0, 0 }, /* PC25 */
  127. /* PC24 */ { 0, 0, 0, 1, 0, 0 }, /* PC24 */
  128. /* PC23 */ { 0, 1, 0, 1, 0, 0 }, /* ATMTFCLK */
  129. /* PC22 */ { 0, 1, 0, 0, 0, 0 }, /* ATMRFCLK */
  130. /* PC21 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */
  131. /* PC20 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */
  132. /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK CLK13 */
  133. /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK14) */
  134. /* PC17 */ { 0, 0, 0, 1, 0, 0 }, /* PC17 */
  135. /* PC16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK16) */
  136. /* PC15 */ { 1, 1, 0, 0, 0, 0 }, /* PC15 */
  137. /* PC14 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */
  138. /* PC13 */ { 0, 0, 0, 1, 0, 0 }, /* PC13 */
  139. /* PC12 */ { 0, 1, 0, 1, 0, 0 }, /* PC12 */
  140. /* PC11 */ { 0, 0, 0, 1, 0, 0 }, /* LXT971 transmit control */
  141. /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* FETHMDC */
  142. /* PC9 */ { 1, 0, 0, 0, 0, 0 }, /* FETHMDIO */
  143. /* PC8 */ { 0, 0, 0, 1, 0, 0 }, /* PC8 */
  144. /* PC7 */ { 0, 0, 0, 1, 0, 0 }, /* PC7 */
  145. /* PC6 */ { 0, 0, 0, 1, 0, 0 }, /* PC6 */
  146. /* PC5 */ { 0, 0, 0, 1, 0, 0 }, /* PC5 */
  147. /* PC4 */ { 0, 0, 0, 1, 0, 0 }, /* PC4 */
  148. /* PC3 */ { 0, 0, 0, 1, 0, 0 }, /* PC3 */
  149. /* PC2 */ { 0, 0, 0, 1, 0, 1 }, /* ENET FDE */
  150. /* PC1 */ { 0, 0, 0, 1, 0, 0 }, /* ENET DSQE */
  151. /* PC0 */ { 0, 0, 0, 1, 0, 0 }, /* ENET LBK */
  152. },
  153. /* Port D */
  154. { /* conf ppar psor pdir podr pdat */
  155. /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RxD */
  156. /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 EN TxD */
  157. /* PD29 */ { 1, 1, 0, 1, 0, 0 }, /* SCC1 EN TENA */
  158. /* PD28 */ { 0, 1, 0, 0, 0, 0 }, /* PD28 */
  159. /* PD27 */ { 0, 1, 1, 1, 0, 0 }, /* PD27 */
  160. /* PD26 */ { 0, 0, 0, 1, 0, 0 }, /* PD26 */
  161. /* PD25 */ { 0, 0, 0, 1, 0, 0 }, /* PD25 */
  162. /* PD24 */ { 0, 0, 0, 1, 0, 0 }, /* PD24 */
  163. /* PD23 */ { 0, 0, 0, 1, 0, 0 }, /* PD23 */
  164. /* PD22 */ { 0, 0, 0, 1, 0, 0 }, /* PD22 */
  165. /* PD21 */ { 0, 0, 0, 1, 0, 0 }, /* PD21 */
  166. /* PD20 */ { 0, 0, 0, 1, 0, 0 }, /* PD20 */
  167. /* PD19 */ { 0, 0, 0, 1, 0, 0 }, /* PD19 */
  168. /* PD18 */ { 0, 0, 0, 1, 0, 0 }, /* PD18 */
  169. /* PD17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */
  170. /* PD16 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */
  171. /* PD15 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SDA */
  172. /* PD14 */ { 0, 0, 0, 1, 0, 0 }, /* LED */
  173. /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */
  174. /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */
  175. /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */
  176. /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */
  177. /* PD9 */ { 0, 1, 0, 1, 0, 0 }, /* SMC1 TXD */
  178. /* PD8 */ { 0, 1, 0, 0, 0, 0 }, /* SMC1 RXD */
  179. /* PD7 */ { 0, 0, 0, 1, 0, 1 }, /* PD7 */
  180. /* PD6 */ { 0, 0, 0, 1, 0, 1 }, /* PD6 */
  181. /* PD5 */ { 0, 0, 0, 1, 0, 1 }, /* PD5 */
  182. /* PD4 */ { 0, 0, 0, 1, 0, 1 }, /* PD4 */
  183. /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
  184. /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
  185. /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
  186. /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
  187. }
  188. };
  189. /*
  190. * MPC8560ADS Board Status & Control Registers
  191. */
  192. typedef struct bcsr_ {
  193. volatile unsigned char bcsr0;
  194. volatile unsigned char bcsr1;
  195. volatile unsigned char bcsr2;
  196. volatile unsigned char bcsr3;
  197. volatile unsigned char bcsr4;
  198. volatile unsigned char bcsr5;
  199. } bcsr_t;
  200. int board_early_init_f (void)
  201. {
  202. return 0;
  203. }
  204. void reset_phy (void)
  205. {
  206. #if defined(CONFIG_ETHER_ON_FCC) /* avoid compile warnings for now */
  207. volatile bcsr_t *bcsr = (bcsr_t *) CFG_BCSR;
  208. #endif
  209. /* reset Giga bit Ethernet port if needed here */
  210. /* reset the CPM FEC port */
  211. #if (CONFIG_ETHER_INDEX == 2)
  212. bcsr->bcsr2 &= ~FETH2_RST;
  213. udelay(2);
  214. bcsr->bcsr2 |= FETH2_RST;
  215. udelay(1000);
  216. #elif (CONFIG_ETHER_INDEX == 3)
  217. bcsr->bcsr3 &= ~FETH3_RST;
  218. udelay(2);
  219. bcsr->bcsr3 |= FETH3_RST;
  220. udelay(1000);
  221. #endif
  222. #if defined(CONFIG_MII) && defined(CONFIG_ETHER_ON_FCC)
  223. /* reset PHY */
  224. miiphy_reset("FCC1 ETHERNET", 0x0);
  225. /* change PHY address to 0x02 */
  226. bb_miiphy_write(NULL, 0, PHY_MIPSCR, 0xf028);
  227. bb_miiphy_write(NULL, 0x02, PHY_BMCR,
  228. PHY_BMCR_AUTON | PHY_BMCR_RST_NEG);
  229. #endif /* CONFIG_MII */
  230. }
  231. int checkboard (void)
  232. {
  233. puts("Board: ADS\n");
  234. #ifdef CONFIG_PCI
  235. printf(" PCI1: 32 bit, %d MHz (compiled)\n",
  236. CONFIG_SYS_CLK_FREQ / 1000000);
  237. #else
  238. printf(" PCI1: disabled\n");
  239. #endif
  240. /*
  241. * Initialize local bus.
  242. */
  243. local_bus_init();
  244. return 0;
  245. }
  246. long int
  247. initdram(int board_type)
  248. {
  249. long dram_size = 0;
  250. puts("Initializing\n");
  251. #if defined(CONFIG_DDR_DLL)
  252. {
  253. volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
  254. uint temp_ddrdll = 0;
  255. /*
  256. * Work around to stabilize DDR DLL
  257. */
  258. temp_ddrdll = gur->ddrdllcr;
  259. gur->ddrdllcr = ((temp_ddrdll & 0xff) << 16) | 0x80000000;
  260. asm("sync;isync;msync");
  261. }
  262. #endif
  263. #if defined(CONFIG_SPD_EEPROM)
  264. dram_size = spd_sdram ();
  265. #else
  266. dram_size = fixed_sdram ();
  267. #endif
  268. #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
  269. /*
  270. * Initialize and enable DDR ECC.
  271. */
  272. ddr_enable_ecc(dram_size);
  273. #endif
  274. /*
  275. * Initialize SDRAM.
  276. */
  277. sdram_init();
  278. puts(" DDR: ");
  279. return dram_size;
  280. }
  281. /*
  282. * Initialize Local Bus
  283. */
  284. void
  285. local_bus_init(void)
  286. {
  287. volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
  288. volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
  289. uint clkdiv;
  290. uint lbc_hz;
  291. sys_info_t sysinfo;
  292. /*
  293. * Errata LBC11.
  294. * Fix Local Bus clock glitch when DLL is enabled.
  295. *
  296. * If localbus freq is < 66Mhz, DLL bypass mode must be used.
  297. * If localbus freq is > 133Mhz, DLL can be safely enabled.
  298. * Between 66 and 133, the DLL is enabled with an override workaround.
  299. */
  300. get_sys_info(&sysinfo);
  301. clkdiv = lbc->lcrr & 0x0f;
  302. lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;
  303. if (lbc_hz < 66) {
  304. lbc->lcrr = CFG_LBC_LCRR | 0x80000000; /* DLL Bypass */
  305. } else if (lbc_hz >= 133) {
  306. lbc->lcrr = CFG_LBC_LCRR & (~0x80000000); /* DLL Enabled */
  307. } else {
  308. /*
  309. * On REV1 boards, need to change CLKDIV before enable DLL.
  310. * Default CLKDIV is 8, change it to 4 temporarily.
  311. */
  312. uint pvr = get_pvr();
  313. uint temp_lbcdll = 0;
  314. if (pvr == PVR_85xx_REV1) {
  315. /* FIXME: Justify the high bit here. */
  316. lbc->lcrr = 0x10000004;
  317. }
  318. lbc->lcrr = CFG_LBC_LCRR & (~0x80000000);/* DLL Enabled */
  319. udelay(200);
  320. /*
  321. * Sample LBC DLL ctrl reg, upshift it to set the
  322. * override bits.
  323. */
  324. temp_lbcdll = gur->lbcdllcr;
  325. gur->lbcdllcr = (((temp_lbcdll & 0xff) << 16) | 0x80000000);
  326. asm("sync;isync;msync");
  327. }
  328. }
  329. /*
  330. * Initialize SDRAM memory on the Local Bus.
  331. */
  332. void
  333. sdram_init(void)
  334. {
  335. volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
  336. uint *sdram_addr = (uint *)CFG_LBC_SDRAM_BASE;
  337. puts(" SDRAM: ");
  338. print_size (CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
  339. /*
  340. * Setup SDRAM Base and Option Registers
  341. */
  342. lbc->or2 = CFG_OR2_PRELIM;
  343. lbc->br2 = CFG_BR2_PRELIM;
  344. lbc->lbcr = CFG_LBC_LBCR;
  345. asm("msync");
  346. lbc->lsrt = CFG_LBC_LSRT;
  347. lbc->mrtpr = CFG_LBC_MRTPR;
  348. asm("sync");
  349. /*
  350. * Configure the SDRAM controller.
  351. */
  352. lbc->lsdmr = CFG_LBC_LSDMR_1;
  353. asm("sync");
  354. *sdram_addr = 0xff;
  355. ppcDcbf((unsigned long) sdram_addr);
  356. udelay(100);
  357. lbc->lsdmr = CFG_LBC_LSDMR_2;
  358. asm("sync");
  359. *sdram_addr = 0xff;
  360. ppcDcbf((unsigned long) sdram_addr);
  361. udelay(100);
  362. lbc->lsdmr = CFG_LBC_LSDMR_3;
  363. asm("sync");
  364. *sdram_addr = 0xff;
  365. ppcDcbf((unsigned long) sdram_addr);
  366. udelay(100);
  367. lbc->lsdmr = CFG_LBC_LSDMR_4;
  368. asm("sync");
  369. *sdram_addr = 0xff;
  370. ppcDcbf((unsigned long) sdram_addr);
  371. udelay(100);
  372. lbc->lsdmr = CFG_LBC_LSDMR_5;
  373. asm("sync");
  374. *sdram_addr = 0xff;
  375. ppcDcbf((unsigned long) sdram_addr);
  376. udelay(100);
  377. }
  378. #if defined(CFG_DRAM_TEST)
  379. int testdram (void)
  380. {
  381. uint *pstart = (uint *) CFG_MEMTEST_START;
  382. uint *pend = (uint *) CFG_MEMTEST_END;
  383. uint *p;
  384. printf("SDRAM test phase 1:\n");
  385. for (p = pstart; p < pend; p++)
  386. *p = 0xaaaaaaaa;
  387. for (p = pstart; p < pend; p++) {
  388. if (*p != 0xaaaaaaaa) {
  389. printf ("SDRAM test fails at: %08x\n", (uint) p);
  390. return 1;
  391. }
  392. }
  393. printf("SDRAM test phase 2:\n");
  394. for (p = pstart; p < pend; p++)
  395. *p = 0x55555555;
  396. for (p = pstart; p < pend; p++) {
  397. if (*p != 0x55555555) {
  398. printf ("SDRAM test fails at: %08x\n", (uint) p);
  399. return 1;
  400. }
  401. }
  402. printf("SDRAM test passed.\n");
  403. return 0;
  404. }
  405. #endif
  406. #if !defined(CONFIG_SPD_EEPROM)
  407. /*************************************************************************
  408. * fixed sdram init -- doesn't use serial presence detect.
  409. ************************************************************************/
  410. long int fixed_sdram (void)
  411. {
  412. #ifndef CFG_RAMBOOT
  413. volatile ccsr_ddr_t *ddr= (void *)(CFG_MPC85xx_DDR_ADDR);
  414. ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
  415. ddr->cs0_config = CFG_DDR_CS0_CONFIG;
  416. ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
  417. ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
  418. ddr->sdram_mode = CFG_DDR_MODE;
  419. ddr->sdram_interval = CFG_DDR_INTERVAL;
  420. #if defined (CONFIG_DDR_ECC)
  421. ddr->err_disable = 0x0000000D;
  422. ddr->err_sbe = 0x00ff0000;
  423. #endif
  424. asm("sync;isync;msync");
  425. udelay(500);
  426. #if defined (CONFIG_DDR_ECC)
  427. /* Enable ECC checking */
  428. ddr->sdram_cfg = (CFG_DDR_CONTROL | 0x20000000);
  429. #else
  430. ddr->sdram_cfg = CFG_DDR_CONTROL;
  431. #endif
  432. asm("sync; isync; msync");
  433. udelay(500);
  434. #endif
  435. return CFG_SDRAM_SIZE * 1024 * 1024;
  436. }
  437. #endif /* !defined(CONFIG_SPD_EEPROM) */
  438. #if defined(CONFIG_PCI)
  439. /*
  440. * Initialize PCI Devices, report devices found.
  441. */
  442. #ifndef CONFIG_PCI_PNP
  443. static struct pci_config_table pci_mpc85xxads_config_table[] = {
  444. { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
  445. PCI_IDSEL_NUMBER, PCI_ANY_ID,
  446. pci_cfgfunc_config_device, { PCI_ENET0_IOADDR,
  447. PCI_ENET0_MEMADDR,
  448. PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER
  449. } },
  450. { }
  451. };
  452. #endif
  453. static struct pci_controller hose = {
  454. #ifndef CONFIG_PCI_PNP
  455. config_table: pci_mpc85xxads_config_table,
  456. #endif
  457. };
  458. #endif /* CONFIG_PCI */
  459. void
  460. pci_init_board(void)
  461. {
  462. #ifdef CONFIG_PCI
  463. pci_mpc85xx_init(&hose);
  464. #endif /* CONFIG_PCI */
  465. }
  466. #if defined(CONFIG_OF_BOARD_SETUP)
  467. void
  468. ft_board_setup(void *blob, bd_t *bd)
  469. {
  470. int node, tmp[2];
  471. const char *path;
  472. ft_cpu_setup(blob, bd);
  473. node = fdt_path_offset(blob, "/aliases");
  474. tmp[0] = 0;
  475. if (node >= 0) {
  476. #ifdef CONFIG_PCI
  477. path = fdt_getprop(blob, node, "pci0", NULL);
  478. if (path) {
  479. tmp[1] = hose.last_busno - hose.first_busno;
  480. do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
  481. }
  482. #endif
  483. }
  484. }
  485. #endif