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/mmu.h>
  30. #include <asm/immap_85xx.h>
  31. #include <asm/fsl_ddr_sdram.h>
  32. #include <ioports.h>
  33. #include <spd_sdram.h>
  34. #include <miiphy.h>
  35. #include <libfdt.h>
  36. #include <fdt_support.h>
  37. #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
  38. extern void ddr_enable_ecc(unsigned int dram_size);
  39. #endif
  40. void local_bus_init(void);
  41. void sdram_init(void);
  42. long int fixed_sdram(void);
  43. /*
  44. * I/O Port configuration table
  45. *
  46. * if conf is 1, then that port pin will be configured at boot time
  47. * according to the five values podr/pdir/ppar/psor/pdat for that entry
  48. */
  49. const iop_conf_t iop_conf_tab[4][32] = {
  50. /* Port A configuration */
  51. { /* conf ppar psor pdir podr pdat */
  52. /* PA31 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxENB */
  53. /* PA30 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 TxClav */
  54. /* PA29 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxSOC */
  55. /* PA28 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 RxENB */
  56. /* PA27 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxSOC */
  57. /* PA26 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxClav */
  58. /* PA25 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[0] */
  59. /* PA24 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[1] */
  60. /* PA23 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[2] */
  61. /* PA22 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[3] */
  62. /* PA21 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[4] */
  63. /* PA20 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[5] */
  64. /* PA19 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[6] */
  65. /* PA18 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[7] */
  66. /* PA17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[7] */
  67. /* PA16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[6] */
  68. /* PA15 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[5] */
  69. /* PA14 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[4] */
  70. /* PA13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[3] */
  71. /* PA12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[2] */
  72. /* PA11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[1] */
  73. /* PA10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[0] */
  74. /* PA9 */ { 0, 1, 1, 1, 0, 0 }, /* FCC1 L1TXD */
  75. /* PA8 */ { 0, 1, 1, 0, 0, 0 }, /* FCC1 L1RXD */
  76. /* PA7 */ { 0, 0, 0, 1, 0, 0 }, /* PA7 */
  77. /* PA6 */ { 0, 1, 1, 1, 0, 0 }, /* TDM A1 L1RSYNC */
  78. /* PA5 */ { 0, 0, 0, 1, 0, 0 }, /* PA5 */
  79. /* PA4 */ { 0, 0, 0, 1, 0, 0 }, /* PA4 */
  80. /* PA3 */ { 0, 0, 0, 1, 0, 0 }, /* PA3 */
  81. /* PA2 */ { 0, 0, 0, 1, 0, 0 }, /* PA2 */
  82. /* PA1 */ { 1, 0, 0, 0, 0, 0 }, /* FREERUN */
  83. /* PA0 */ { 0, 0, 0, 1, 0, 0 } /* PA0 */
  84. },
  85. /* Port B configuration */
  86. { /* conf ppar psor pdir podr pdat */
  87. /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */
  88. /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */
  89. /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */
  90. /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */
  91. /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */
  92. /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */
  93. /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */
  94. /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */
  95. /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */
  96. /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */
  97. /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */
  98. /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */
  99. /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */
  100. /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */
  101. /* PB17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_DIV */
  102. /* PB16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_ERR */
  103. /* PB15 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_ERR */
  104. /* PB14 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_EN */
  105. /* PB13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:COL */
  106. /* PB12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:CRS */
  107. /* PB11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
  108. /* PB10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
  109. /* PB9 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
  110. /* PB8 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
  111. /* PB7 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
  112. /* PB6 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
  113. /* PB5 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
  114. /* PB4 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
  115. /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
  116. /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
  117. /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
  118. /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
  119. },
  120. /* Port C */
  121. { /* conf ppar psor pdir podr pdat */
  122. /* PC31 */ { 0, 0, 0, 1, 0, 0 }, /* PC31 */
  123. /* PC30 */ { 0, 0, 0, 1, 0, 0 }, /* PC30 */
  124. /* PC29 */ { 0, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */
  125. /* PC28 */ { 0, 0, 0, 1, 0, 0 }, /* PC28 */
  126. /* PC27 */ { 0, 0, 0, 1, 0, 0 }, /* UART Clock in */
  127. /* PC26 */ { 0, 0, 0, 1, 0, 0 }, /* PC26 */
  128. /* PC25 */ { 0, 0, 0, 1, 0, 0 }, /* PC25 */
  129. /* PC24 */ { 0, 0, 0, 1, 0, 0 }, /* PC24 */
  130. /* PC23 */ { 0, 1, 0, 1, 0, 0 }, /* ATMTFCLK */
  131. /* PC22 */ { 0, 1, 0, 0, 0, 0 }, /* ATMRFCLK */
  132. /* PC21 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */
  133. /* PC20 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */
  134. /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK CLK13 */
  135. /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK14) */
  136. /* PC17 */ { 0, 0, 0, 1, 0, 0 }, /* PC17 */
  137. /* PC16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK16) */
  138. /* PC15 */ { 1, 1, 0, 0, 0, 0 }, /* PC15 */
  139. /* PC14 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */
  140. /* PC13 */ { 0, 0, 0, 1, 0, 0 }, /* PC13 */
  141. /* PC12 */ { 0, 1, 0, 1, 0, 0 }, /* PC12 */
  142. /* PC11 */ { 0, 0, 0, 1, 0, 0 }, /* LXT971 transmit control */
  143. /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* FETHMDC */
  144. /* PC9 */ { 1, 0, 0, 0, 0, 0 }, /* FETHMDIO */
  145. /* PC8 */ { 0, 0, 0, 1, 0, 0 }, /* PC8 */
  146. /* PC7 */ { 0, 0, 0, 1, 0, 0 }, /* PC7 */
  147. /* PC6 */ { 0, 0, 0, 1, 0, 0 }, /* PC6 */
  148. /* PC5 */ { 0, 0, 0, 1, 0, 0 }, /* PC5 */
  149. /* PC4 */ { 0, 0, 0, 1, 0, 0 }, /* PC4 */
  150. /* PC3 */ { 0, 0, 0, 1, 0, 0 }, /* PC3 */
  151. /* PC2 */ { 0, 0, 0, 1, 0, 1 }, /* ENET FDE */
  152. /* PC1 */ { 0, 0, 0, 1, 0, 0 }, /* ENET DSQE */
  153. /* PC0 */ { 0, 0, 0, 1, 0, 0 }, /* ENET LBK */
  154. },
  155. /* Port D */
  156. { /* conf ppar psor pdir podr pdat */
  157. /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RxD */
  158. /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 EN TxD */
  159. /* PD29 */ { 1, 1, 0, 1, 0, 0 }, /* SCC1 EN TENA */
  160. /* PD28 */ { 0, 1, 0, 0, 0, 0 }, /* PD28 */
  161. /* PD27 */ { 0, 1, 1, 1, 0, 0 }, /* PD27 */
  162. /* PD26 */ { 0, 0, 0, 1, 0, 0 }, /* PD26 */
  163. /* PD25 */ { 0, 0, 0, 1, 0, 0 }, /* PD25 */
  164. /* PD24 */ { 0, 0, 0, 1, 0, 0 }, /* PD24 */
  165. /* PD23 */ { 0, 0, 0, 1, 0, 0 }, /* PD23 */
  166. /* PD22 */ { 0, 0, 0, 1, 0, 0 }, /* PD22 */
  167. /* PD21 */ { 0, 0, 0, 1, 0, 0 }, /* PD21 */
  168. /* PD20 */ { 0, 0, 0, 1, 0, 0 }, /* PD20 */
  169. /* PD19 */ { 0, 0, 0, 1, 0, 0 }, /* PD19 */
  170. /* PD18 */ { 0, 0, 0, 1, 0, 0 }, /* PD18 */
  171. /* PD17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */
  172. /* PD16 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */
  173. /* PD15 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SDA */
  174. /* PD14 */ { 0, 0, 0, 1, 0, 0 }, /* LED */
  175. /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */
  176. /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */
  177. /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */
  178. /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */
  179. /* PD9 */ { 0, 1, 0, 1, 0, 0 }, /* SMC1 TXD */
  180. /* PD8 */ { 0, 1, 0, 0, 0, 0 }, /* SMC1 RXD */
  181. /* PD7 */ { 0, 0, 0, 1, 0, 1 }, /* PD7 */
  182. /* PD6 */ { 0, 0, 0, 1, 0, 1 }, /* PD6 */
  183. /* PD5 */ { 0, 0, 0, 1, 0, 1 }, /* PD5 */
  184. /* PD4 */ { 0, 0, 0, 1, 0, 1 }, /* PD4 */
  185. /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
  186. /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
  187. /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
  188. /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
  189. }
  190. };
  191. /*
  192. * MPC8560ADS Board Status & Control Registers
  193. */
  194. typedef struct bcsr_ {
  195. volatile unsigned char bcsr0;
  196. volatile unsigned char bcsr1;
  197. volatile unsigned char bcsr2;
  198. volatile unsigned char bcsr3;
  199. volatile unsigned char bcsr4;
  200. volatile unsigned char bcsr5;
  201. } bcsr_t;
  202. void reset_phy (void)
  203. {
  204. #if defined(CONFIG_ETHER_ON_FCC) /* avoid compile warnings for now */
  205. volatile bcsr_t *bcsr = (bcsr_t *) CONFIG_SYS_BCSR;
  206. #endif
  207. /* reset Giga bit Ethernet port if needed here */
  208. /* reset the CPM FEC port */
  209. #if (CONFIG_ETHER_INDEX == 2)
  210. bcsr->bcsr2 &= ~FETH2_RST;
  211. udelay(2);
  212. bcsr->bcsr2 |= FETH2_RST;
  213. udelay(1000);
  214. #elif (CONFIG_ETHER_INDEX == 3)
  215. bcsr->bcsr3 &= ~FETH3_RST;
  216. udelay(2);
  217. bcsr->bcsr3 |= FETH3_RST;
  218. udelay(1000);
  219. #endif
  220. #if defined(CONFIG_MII) && defined(CONFIG_ETHER_ON_FCC)
  221. /* reset PHY */
  222. miiphy_reset("FCC1 ETHERNET", 0x0);
  223. /* change PHY address to 0x02 */
  224. bb_miiphy_write(NULL, 0, PHY_MIPSCR, 0xf028);
  225. bb_miiphy_write(NULL, 0x02, PHY_BMCR,
  226. PHY_BMCR_AUTON | PHY_BMCR_RST_NEG);
  227. #endif /* CONFIG_MII */
  228. }
  229. int checkboard (void)
  230. {
  231. puts("Board: ADS\n");
  232. #ifdef CONFIG_PCI
  233. printf(" PCI1: 32 bit, %d MHz (compiled)\n",
  234. CONFIG_SYS_CLK_FREQ / 1000000);
  235. #else
  236. printf(" PCI1: disabled\n");
  237. #endif
  238. /*
  239. * Initialize local bus.
  240. */
  241. local_bus_init();
  242. return 0;
  243. }
  244. phys_size_t
  245. initdram(int board_type)
  246. {
  247. long dram_size = 0;
  248. puts("Initializing\n");
  249. #if defined(CONFIG_DDR_DLL)
  250. {
  251. volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
  252. uint temp_ddrdll = 0;
  253. /*
  254. * Work around to stabilize DDR DLL
  255. */
  256. temp_ddrdll = gur->ddrdllcr;
  257. gur->ddrdllcr = ((temp_ddrdll & 0xff) << 16) | 0x80000000;
  258. asm("sync;isync;msync");
  259. }
  260. #endif
  261. #ifdef CONFIG_SPD_EEPROM
  262. dram_size = fsl_ddr_sdram();
  263. dram_size = setup_ddr_tlbs(dram_size / 0x100000);
  264. dram_size *= 0x100000;
  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 *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
  288. volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_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 & LCRR_CLKDIV;
  302. lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;
  303. if (lbc_hz < 66) {
  304. lbc->lcrr = CONFIG_SYS_LBC_LCRR | 0x80000000; /* DLL Bypass */
  305. } else if (lbc_hz >= 133) {
  306. lbc->lcrr = CONFIG_SYS_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 = CONFIG_SYS_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 *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
  336. uint *sdram_addr = (uint *)CONFIG_SYS_LBC_SDRAM_BASE;
  337. puts(" SDRAM: ");
  338. print_size (CONFIG_SYS_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
  339. /*
  340. * Setup SDRAM Base and Option Registers
  341. */
  342. lbc->or2 = CONFIG_SYS_OR2_PRELIM;
  343. lbc->br2 = CONFIG_SYS_BR2_PRELIM;
  344. lbc->lbcr = CONFIG_SYS_LBC_LBCR;
  345. asm("msync");
  346. lbc->lsrt = CONFIG_SYS_LBC_LSRT;
  347. lbc->mrtpr = CONFIG_SYS_LBC_MRTPR;
  348. asm("sync");
  349. /*
  350. * Configure the SDRAM controller.
  351. */
  352. lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_1;
  353. asm("sync");
  354. *sdram_addr = 0xff;
  355. ppcDcbf((unsigned long) sdram_addr);
  356. udelay(100);
  357. lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_2;
  358. asm("sync");
  359. *sdram_addr = 0xff;
  360. ppcDcbf((unsigned long) sdram_addr);
  361. udelay(100);
  362. lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_3;
  363. asm("sync");
  364. *sdram_addr = 0xff;
  365. ppcDcbf((unsigned long) sdram_addr);
  366. udelay(100);
  367. lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_4;
  368. asm("sync");
  369. *sdram_addr = 0xff;
  370. ppcDcbf((unsigned long) sdram_addr);
  371. udelay(100);
  372. lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_5;
  373. asm("sync");
  374. *sdram_addr = 0xff;
  375. ppcDcbf((unsigned long) sdram_addr);
  376. udelay(100);
  377. }
  378. #if !defined(CONFIG_SPD_EEPROM)
  379. /*************************************************************************
  380. * fixed sdram init -- doesn't use serial presence detect.
  381. ************************************************************************/
  382. long int fixed_sdram (void)
  383. {
  384. #ifndef CONFIG_SYS_RAMBOOT
  385. volatile ccsr_ddr_t *ddr= (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
  386. ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
  387. ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;
  388. ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
  389. ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
  390. ddr->sdram_mode = CONFIG_SYS_DDR_MODE;
  391. ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
  392. #if defined (CONFIG_DDR_ECC)
  393. ddr->err_disable = 0x0000000D;
  394. ddr->err_sbe = 0x00ff0000;
  395. #endif
  396. asm("sync;isync;msync");
  397. udelay(500);
  398. #if defined (CONFIG_DDR_ECC)
  399. /* Enable ECC checking */
  400. ddr->sdram_cfg = (CONFIG_SYS_DDR_CONTROL | 0x20000000);
  401. #else
  402. ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;
  403. #endif
  404. asm("sync; isync; msync");
  405. udelay(500);
  406. #endif
  407. return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
  408. }
  409. #endif /* !defined(CONFIG_SPD_EEPROM) */
  410. #if defined(CONFIG_PCI)
  411. /*
  412. * Initialize PCI Devices, report devices found.
  413. */
  414. #ifndef CONFIG_PCI_PNP
  415. static struct pci_config_table pci_mpc85xxads_config_table[] = {
  416. { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
  417. PCI_IDSEL_NUMBER, PCI_ANY_ID,
  418. pci_cfgfunc_config_device, { PCI_ENET0_IOADDR,
  419. PCI_ENET0_MEMADDR,
  420. PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER
  421. } },
  422. { }
  423. };
  424. #endif
  425. static struct pci_controller hose = {
  426. #ifndef CONFIG_PCI_PNP
  427. config_table: pci_mpc85xxads_config_table,
  428. #endif
  429. };
  430. #endif /* CONFIG_PCI */
  431. void
  432. pci_init_board(void)
  433. {
  434. #ifdef CONFIG_PCI
  435. pci_mpc85xx_init(&hose);
  436. #endif /* CONFIG_PCI */
  437. }
  438. #if defined(CONFIG_OF_BOARD_SETUP)
  439. void
  440. ft_board_setup(void *blob, bd_t *bd)
  441. {
  442. int node, tmp[2];
  443. const char *path;
  444. ft_cpu_setup(blob, bd);
  445. node = fdt_path_offset(blob, "/aliases");
  446. tmp[0] = 0;
  447. if (node >= 0) {
  448. #ifdef CONFIG_PCI
  449. path = fdt_getprop(blob, node, "pci0", NULL);
  450. if (path) {
  451. tmp[1] = hose.last_busno - hose.first_busno;
  452. do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
  453. }
  454. #endif
  455. }
  456. }
  457. #endif