sbc8560.c 17 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492
  1. /*
  2. * (C) Copyright 2003,Motorola Inc.
  3. * Xianghua Xiao, (X.Xiao@motorola.com)
  4. *
  5. * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
  6. *
  7. * (C) Copyright 2004 Wind River Systems Inc <www.windriver.com>.
  8. * Added support for Wind River SBC8560 board
  9. *
  10. * See file CREDITS for list of people who contributed to this
  11. * project.
  12. *
  13. * This program is free software; you can redistribute it and/or
  14. * modify it under the terms of the GNU General Public License as
  15. * published by the Free Software Foundation; either version 2 of
  16. * the License, or (at your option) any later version.
  17. *
  18. * This program is distributed in the hope that it will be useful,
  19. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  21. * GNU General Public License for more details.
  22. *
  23. * You should have received a copy of the GNU General Public License
  24. * along with this program; if not, write to the Free Software
  25. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  26. * MA 02111-1307 USA
  27. */
  28. #include <common.h>
  29. #include <asm/processor.h>
  30. #include <asm/mmu.h>
  31. #include <asm/immap_85xx.h>
  32. #include <asm/fsl_ddr_sdram.h>
  33. #include <ioports.h>
  34. #include <spd_sdram.h>
  35. #include <miiphy.h>
  36. #include <libfdt.h>
  37. #include <fdt_support.h>
  38. long int fixed_sdram (void);
  39. /*
  40. * I/O Port configuration table
  41. *
  42. * if conf is 1, then that port pin will be configured at boot time
  43. * according to the five values podr/pdir/ppar/psor/pdat for that entry
  44. */
  45. const iop_conf_t iop_conf_tab[4][32] = {
  46. /* Port A configuration */
  47. { /* conf ppar psor pdir podr pdat */
  48. /* PA31 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxENB */
  49. /* PA30 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 TxClav */
  50. /* PA29 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxSOC */
  51. /* PA28 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 RxENB */
  52. /* PA27 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxSOC */
  53. /* PA26 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxClav */
  54. /* PA25 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[0] */
  55. /* PA24 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[1] */
  56. /* PA23 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[2] */
  57. /* PA22 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[3] */
  58. /* PA21 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[4] */
  59. /* PA20 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[5] */
  60. /* PA19 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[6] */
  61. /* PA18 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[7] */
  62. /* PA17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[7] */
  63. /* PA16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[6] */
  64. /* PA15 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[5] */
  65. /* PA14 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[4] */
  66. /* PA13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[3] */
  67. /* PA12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[2] */
  68. /* PA11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[1] */
  69. /* PA10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[0] */
  70. /* PA9 */ { 0, 1, 1, 1, 0, 0 }, /* FCC1 L1TXD */
  71. /* PA8 */ { 0, 1, 1, 0, 0, 0 }, /* FCC1 L1RXD */
  72. /* PA7 */ { 0, 0, 0, 1, 0, 0 }, /* PA7 */
  73. /* PA6 */ { 0, 1, 1, 1, 0, 0 }, /* TDM A1 L1RSYNC */
  74. /* PA5 */ { 0, 0, 0, 1, 0, 0 }, /* PA5 */
  75. /* PA4 */ { 0, 0, 0, 1, 0, 0 }, /* PA4 */
  76. /* PA3 */ { 0, 0, 0, 1, 0, 0 }, /* PA3 */
  77. /* PA2 */ { 0, 0, 0, 1, 0, 0 }, /* PA2 */
  78. /* PA1 */ { 1, 0, 0, 0, 0, 0 }, /* FREERUN */
  79. /* PA0 */ { 0, 0, 0, 1, 0, 0 } /* PA0 */
  80. },
  81. /* Port B configuration */
  82. { /* conf ppar psor pdir podr pdat */
  83. /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */
  84. /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */
  85. /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */
  86. /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */
  87. /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */
  88. /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */
  89. /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */
  90. /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */
  91. /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */
  92. /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */
  93. /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */
  94. /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */
  95. /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */
  96. /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */
  97. /* PB17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_DIV */
  98. /* PB16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_ERR */
  99. /* PB15 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_ERR */
  100. /* PB14 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_EN */
  101. /* PB13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:COL */
  102. /* PB12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:CRS */
  103. /* PB11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
  104. /* PB10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
  105. /* PB9 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
  106. /* PB8 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
  107. /* PB7 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
  108. /* PB6 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
  109. /* PB5 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
  110. /* PB4 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
  111. /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
  112. /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
  113. /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
  114. /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
  115. },
  116. /* Port C */
  117. { /* conf ppar psor pdir podr pdat */
  118. /* PC31 */ { 0, 0, 0, 1, 0, 0 }, /* PC31 */
  119. /* PC30 */ { 0, 0, 0, 1, 0, 0 }, /* PC30 */
  120. /* PC29 */ { 0, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */
  121. /* PC28 */ { 0, 0, 0, 1, 0, 0 }, /* PC28 */
  122. /* PC27 */ { 0, 0, 0, 1, 0, 0 }, /* UART Clock in */
  123. /* PC26 */ { 0, 0, 0, 1, 0, 0 }, /* PC26 */
  124. /* PC25 */ { 0, 0, 0, 1, 0, 0 }, /* PC25 */
  125. /* PC24 */ { 0, 0, 0, 1, 0, 0 }, /* PC24 */
  126. /* PC23 */ { 0, 1, 0, 1, 0, 0 }, /* ATMTFCLK */
  127. /* PC22 */ { 0, 1, 0, 0, 0, 0 }, /* ATMRFCLK */
  128. /* PC21 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */
  129. /* PC20 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */
  130. /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK CLK13 */
  131. /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK14) */
  132. /* PC17 */ { 0, 0, 0, 1, 0, 0 }, /* PC17 */
  133. /* PC16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK16) */
  134. /* PC15 */ { 1, 1, 0, 0, 0, 0 }, /* PC15 */
  135. /* PC14 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */
  136. /* PC13 */ { 0, 0, 0, 1, 0, 0 }, /* PC13 */
  137. /* PC12 */ { 0, 1, 0, 1, 0, 0 }, /* PC12 */
  138. /* PC11 */ { 0, 0, 0, 1, 0, 0 }, /* LXT971 transmit control */
  139. /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* FETHMDC */
  140. /* PC9 */ { 1, 0, 0, 0, 0, 0 }, /* FETHMDIO */
  141. /* PC8 */ { 0, 0, 0, 1, 0, 0 }, /* PC8 */
  142. /* PC7 */ { 0, 0, 0, 1, 0, 0 }, /* PC7 */
  143. /* PC6 */ { 0, 0, 0, 1, 0, 0 }, /* PC6 */
  144. /* PC5 */ { 0, 0, 0, 1, 0, 0 }, /* PC5 */
  145. /* PC4 */ { 0, 0, 0, 1, 0, 0 }, /* PC4 */
  146. /* PC3 */ { 0, 0, 0, 1, 0, 0 }, /* PC3 */
  147. /* PC2 */ { 0, 0, 0, 1, 0, 1 }, /* ENET FDE */
  148. /* PC1 */ { 0, 0, 0, 1, 0, 0 }, /* ENET DSQE */
  149. /* PC0 */ { 0, 0, 0, 1, 0, 0 }, /* ENET LBK */
  150. },
  151. /* Port D */
  152. { /* conf ppar psor pdir podr pdat */
  153. /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RxD */
  154. /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 EN TxD */
  155. /* PD29 */ { 1, 1, 0, 1, 0, 0 }, /* SCC1 RTS */
  156. /* PD28 */ { 1, 1, 0, 0, 0, 0 }, /* SCC2 RxD */
  157. /* PD27 */ { 1, 1, 1, 1, 0, 0 }, /* SCC2 TxD */
  158. /* PD26 */ { 1, 1, 0, 1, 0, 0 }, /* SCC2 RTS */
  159. /* PD25 */ { 0, 0, 0, 1, 0, 0 }, /* PD25 */
  160. /* PD24 */ { 0, 0, 0, 1, 0, 0 }, /* PD24 */
  161. /* PD23 */ { 0, 0, 0, 1, 0, 0 }, /* PD23 */
  162. /* PD22 */ { 0, 0, 0, 1, 0, 0 }, /* PD22 */
  163. /* PD21 */ { 0, 0, 0, 1, 0, 0 }, /* PD21 */
  164. /* PD20 */ { 0, 0, 0, 1, 0, 0 }, /* PD20 */
  165. /* PD19 */ { 0, 0, 0, 1, 0, 0 }, /* PD19 */
  166. /* PD18 */ { 0, 0, 0, 1, 0, 0 }, /* PD18 */
  167. /* PD17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */
  168. /* PD16 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */
  169. /* PD15 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SDA */
  170. /* PD14 */ { 0, 0, 0, 1, 0, 0 }, /* LED */
  171. /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */
  172. /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */
  173. /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */
  174. /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */
  175. /* PD9 */ { 0, 1, 0, 1, 0, 0 }, /* SMC1 TXD */
  176. /* PD8 */ { 0, 1, 0, 0, 0, 0 }, /* SMC1 RXD */
  177. /* PD7 */ { 0, 0, 0, 1, 0, 1 }, /* PD7 */
  178. /* PD6 */ { 0, 0, 0, 1, 0, 1 }, /* PD6 */
  179. /* PD5 */ { 0, 0, 0, 1, 0, 1 }, /* PD5 */
  180. /* PD4 */ { 0, 0, 0, 1, 0, 1 }, /* PD4 */
  181. /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
  182. /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
  183. /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
  184. /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
  185. }
  186. };
  187. int board_early_init_f (void)
  188. {
  189. #if defined(CONFIG_PCI)
  190. volatile ccsr_pcix_t *pci = (void *)(CONFIG_SYS_MPC85xx_PCIX_ADDR);
  191. pci->peer &= 0xfffffffdf; /* disable master abort */
  192. #endif
  193. return 0;
  194. }
  195. void reset_phy (void)
  196. {
  197. #if defined(CONFIG_ETHER_ON_FCC) /* avoid compile warnings for now */
  198. volatile unsigned char *bcsr = (unsigned char *) CONFIG_SYS_BCSR;
  199. #endif
  200. /* reset Giga bit Ethernet port if needed here */
  201. /* reset the CPM FEC port */
  202. #if (CONFIG_ETHER_INDEX == 2)
  203. bcsr[0] &= ~0x20;
  204. udelay(2);
  205. bcsr[0] |= 0x20;
  206. udelay(1000);
  207. #elif (CONFIG_ETHER_INDEX == 3)
  208. bcsr[0] &= ~0x10;
  209. udelay(2);
  210. bcsr[0] |= 0x10;
  211. udelay(1000);
  212. #endif
  213. #if defined(CONFIG_MII) && defined(CONFIG_ETHER_ON_FCC)
  214. /* reset PHY */
  215. miiphy_reset("FCC1 ETHERNET", 0x0);
  216. /* change PHY address to 0x02 */
  217. bb_miiphy_write(NULL, 0, PHY_MIPSCR, 0xf028);
  218. bb_miiphy_write(NULL, 0x02, PHY_BMCR,
  219. PHY_BMCR_AUTON | PHY_BMCR_RST_NEG);
  220. #endif /* CONFIG_MII */
  221. }
  222. int checkboard (void)
  223. {
  224. sys_info_t sysinfo;
  225. char buf[32];
  226. get_sys_info (&sysinfo);
  227. #ifdef CONFIG_SBC8560
  228. printf ("Board: Wind River SBC8560 Board\n");
  229. #else
  230. printf ("Board: Wind River SBC8540 Board\n");
  231. #endif
  232. printf ("\tCPU: %s MHz\n", strmhz(buf, sysinfo.freqProcessor[0]));
  233. printf ("\tCCB: %s MHz\n", strmhz(buf, sysinfo.freqSystemBus));
  234. printf ("\tDDR: %s MHz\n", strmhz(buf, sysinfo.freqSystemBus/2));
  235. if((CONFIG_SYS_LBC_LCRR & 0x0f) == 2 || (CONFIG_SYS_LBC_LCRR & 0x0f) == 4 \
  236. || (CONFIG_SYS_LBC_LCRR & 0x0f) == 8) {
  237. printf ("\tLBC: %s MHz\n",
  238. strmhz(buf, sysinfo.freqSystemBus/(CONFIG_SYS_LBC_LCRR & 0x0f)));
  239. } else {
  240. printf("\tLBC: unknown\n");
  241. }
  242. printf("\tCPM: %s MHz\n", strmhz(buf, sysinfo.freqSystemBus));
  243. printf("L1 D-cache 32KB, L1 I-cache 32KB enabled.\n");
  244. return (0);
  245. }
  246. phys_size_t initdram (int board_type)
  247. {
  248. long dram_size = 0;
  249. #if 0
  250. #if !defined(CONFIG_RAM_AS_FLASH)
  251. volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
  252. sys_info_t sysinfo;
  253. uint temp_lbcdll = 0;
  254. #endif
  255. #endif /* 0 */
  256. #if !defined(CONFIG_RAM_AS_FLASH) || defined(CONFIG_DDR_DLL)
  257. volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
  258. #endif
  259. #if defined(CONFIG_DDR_DLL)
  260. uint temp_ddrdll = 0;
  261. /* Work around to stabilize DDR DLL */
  262. temp_ddrdll = gur->ddrdllcr;
  263. gur->ddrdllcr = ((temp_ddrdll & 0xff) << 16) | 0x80000000;
  264. asm("sync;isync;msync");
  265. #endif
  266. #if defined(CONFIG_SPD_EEPROM)
  267. dram_size = fsl_ddr_sdram();
  268. dram_size = setup_ddr_tlbs(dram_size / 0x100000);
  269. dram_size *= 0x100000;
  270. #else
  271. dram_size = fixed_sdram ();
  272. #endif
  273. #if 0
  274. #if !defined(CONFIG_RAM_AS_FLASH) /* LocalBus SDRAM is not emulating flash */
  275. get_sys_info(&sysinfo);
  276. /* if localbus freq is less than 66MHz,we use bypass mode,otherwise use DLL */
  277. if(sysinfo.freqSystemBus/(CONFIG_SYS_LBC_LCRR & 0x0f) < 66000000) {
  278. lbc->lcrr = (CONFIG_SYS_LBC_LCRR & 0x0fffffff)| 0x80000000;
  279. } else {
  280. #if defined(CONFIG_MPC85xx_REV1) /* need change CLKDIV before enable DLL */
  281. lbc->lcrr = 0x10000004; /* default CLKDIV is 8, change it to 4 temporarily */
  282. #endif
  283. lbc->lcrr = CONFIG_SYS_LBC_LCRR & 0x7fffffff;
  284. udelay(200);
  285. temp_lbcdll = gur->lbcdllcr;
  286. gur->lbcdllcr = ((temp_lbcdll & 0xff) << 16 ) | 0x80000000;
  287. asm("sync;isync;msync");
  288. }
  289. lbc->or2 = CONFIG_SYS_OR2_PRELIM; /* 64MB SDRAM */
  290. lbc->br2 = CONFIG_SYS_BR2_PRELIM;
  291. lbc->lbcr = CONFIG_SYS_LBC_LBCR;
  292. lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_1;
  293. asm("sync");
  294. (unsigned int) * (ulong *)0 = 0x000000ff;
  295. lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_2;
  296. asm("sync");
  297. (unsigned int) * (ulong *)0 = 0x000000ff;
  298. lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_3;
  299. asm("sync");
  300. (unsigned int) * (ulong *)0 = 0x000000ff;
  301. lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_4;
  302. asm("sync");
  303. (unsigned int) * (ulong *)0 = 0x000000ff;
  304. lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_5;
  305. asm("sync");
  306. lbc->lsrt = CONFIG_SYS_LBC_LSRT;
  307. asm("sync");
  308. lbc->mrtpr = CONFIG_SYS_LBC_MRTPR;
  309. asm("sync");
  310. #endif
  311. #endif
  312. #if defined(CONFIG_DDR_ECC)
  313. {
  314. /* Initialize all of memory for ECC, then
  315. * enable errors */
  316. uint *p = 0;
  317. uint i = 0;
  318. volatile ccsr_ddr_t *ddr= (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
  319. dma_init();
  320. for (*p = 0; p < (uint *)(8 * 1024); p++) {
  321. if (((unsigned int)p & 0x1f) == 0) { dcbz(p); }
  322. *p = (unsigned int)0xdeadbeef;
  323. if (((unsigned int)p & 0x1c) == 0x1c) { dcbf(p); }
  324. }
  325. /* 8K */
  326. dma_xfer((uint *)0x2000,0x2000,(uint *)0);
  327. /* 16K */
  328. dma_xfer((uint *)0x4000,0x4000,(uint *)0);
  329. /* 32K */
  330. dma_xfer((uint *)0x8000,0x8000,(uint *)0);
  331. /* 64K */
  332. dma_xfer((uint *)0x10000,0x10000,(uint *)0);
  333. /* 128k */
  334. dma_xfer((uint *)0x20000,0x20000,(uint *)0);
  335. /* 256k */
  336. dma_xfer((uint *)0x40000,0x40000,(uint *)0);
  337. /* 512k */
  338. dma_xfer((uint *)0x80000,0x80000,(uint *)0);
  339. /* 1M */
  340. dma_xfer((uint *)0x100000,0x100000,(uint *)0);
  341. /* 2M */
  342. dma_xfer((uint *)0x200000,0x200000,(uint *)0);
  343. /* 4M */
  344. dma_xfer((uint *)0x400000,0x400000,(uint *)0);
  345. for (i = 1; i < dram_size / 0x800000; i++) {
  346. dma_xfer((uint *)(0x800000*i),0x800000,(uint *)0);
  347. }
  348. /* Enable errors for ECC */
  349. ddr->err_disable = 0x00000000;
  350. asm("sync;isync;msync");
  351. }
  352. #endif
  353. return dram_size;
  354. }
  355. #if defined(CONFIG_SYS_DRAM_TEST)
  356. int testdram (void)
  357. {
  358. uint *pstart = (uint *) CONFIG_SYS_MEMTEST_START;
  359. uint *pend = (uint *) CONFIG_SYS_MEMTEST_END;
  360. uint *p;
  361. printf("SDRAM test phase 1:\n");
  362. for (p = pstart; p < pend; p++)
  363. *p = 0xaaaaaaaa;
  364. for (p = pstart; p < pend; p++) {
  365. if (*p != 0xaaaaaaaa) {
  366. printf ("SDRAM test fails at: %08x\n", (uint) p);
  367. return 1;
  368. }
  369. }
  370. printf("SDRAM test phase 2:\n");
  371. for (p = pstart; p < pend; p++)
  372. *p = 0x55555555;
  373. for (p = pstart; p < pend; p++) {
  374. if (*p != 0x55555555) {
  375. printf ("SDRAM test fails at: %08x\n", (uint) p);
  376. return 1;
  377. }
  378. }
  379. printf("SDRAM test passed.\n");
  380. return 0;
  381. }
  382. #endif
  383. #if !defined(CONFIG_SPD_EEPROM)
  384. /*************************************************************************
  385. * fixed sdram init -- doesn't use serial presence detect.
  386. ************************************************************************/
  387. long int fixed_sdram (void)
  388. {
  389. #define CONFIG_SYS_DDR_CONTROL 0xc2000000
  390. #ifndef CONFIG_SYS_RAMBOOT
  391. volatile ccsr_ddr_t *ddr= (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
  392. #if (CONFIG_SYS_SDRAM_SIZE == 512)
  393. ddr->cs0_bnds = 0x0000000f;
  394. #else
  395. ddr->cs0_bnds = 0x00000007;
  396. #endif
  397. ddr->cs1_bnds = 0x0010001f;
  398. ddr->cs2_bnds = 0x00000000;
  399. ddr->cs3_bnds = 0x00000000;
  400. ddr->cs0_config = 0x80000102;
  401. ddr->cs1_config = 0x80000102;
  402. ddr->cs2_config = 0x00000000;
  403. ddr->cs3_config = 0x00000000;
  404. ddr->timing_cfg_1 = 0x37334321;
  405. ddr->timing_cfg_2 = 0x00000800;
  406. ddr->sdram_cfg = 0x42000000;
  407. ddr->sdram_mode = 0x00000022;
  408. ddr->sdram_interval = 0x05200100;
  409. ddr->err_sbe = 0x00ff0000;
  410. #if defined (CONFIG_DDR_ECC)
  411. ddr->err_disable = 0x0000000D;
  412. #endif
  413. asm("sync;isync;msync");
  414. udelay(500);
  415. #if defined (CONFIG_DDR_ECC)
  416. /* Enable ECC checking */
  417. ddr->sdram_cfg = (CONFIG_SYS_DDR_CONTROL | 0x20000000);
  418. #else
  419. ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;
  420. #endif
  421. asm("sync; isync; msync");
  422. udelay(500);
  423. #endif
  424. return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
  425. }
  426. #endif /* !defined(CONFIG_SPD_EEPROM) */
  427. #if defined(CONFIG_OF_BOARD_SETUP)
  428. void
  429. ft_board_setup(void *blob, bd_t *bd)
  430. {
  431. int node, tmp[2];
  432. #ifdef CONFIG_PCI
  433. const char *path;
  434. #endif
  435. ft_cpu_setup(blob, bd);
  436. node = fdt_path_offset(blob, "/aliases");
  437. tmp[0] = 0;
  438. if (node >= 0) {
  439. #ifdef CONFIG_PCI
  440. path = fdt_getprop(blob, node, "pci0", NULL);
  441. if (path) {
  442. tmp[1] = hose.last_busno - hose.first_busno;
  443. do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
  444. }
  445. #endif
  446. }
  447. }
  448. #endif