SPD823TS.h 15 KB

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  1. /*
  2. * (C) Copyright 2000
  3. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  4. *
  5. * See file CREDITS for list of people who contributed to this
  6. * project.
  7. *
  8. * This program is free software; you can redistribute it and/or
  9. * modify it under the terms of the GNU General Public License as
  10. * published by the Free Software Foundation; either version 2 of
  11. * the License, or (at your option) any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program; if not, write to the Free Software
  20. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21. * MA 02111-1307 USA
  22. */
  23. /*
  24. * board/config.h - configuration options, board specific
  25. */
  26. #ifndef __CONFIG_H
  27. #define __CONFIG_H
  28. /*
  29. * High Level Configuration Options
  30. * (easy to change)
  31. */
  32. #define CONFIG_MPC823 1 /* This is a MPC823 CPU */
  33. #define CONFIG_SPD823TS 1 /* ...on a SPD823TS board */
  34. #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
  35. #undef CONFIG_8xx_CONS_SMC2
  36. #undef CONFIG_8xx_CONS_NONE
  37. #define CONFIG_BAUDRATE 115200
  38. #if 0
  39. #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
  40. #else
  41. #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
  42. #endif
  43. #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
  44. #define CONFIG_BOOTCOMMAND "bootp" /* autoboot command */
  45. #define CONFIG_BOOTARGS "root=/dev/nfs rw " \
  46. "nfsroot=10.0.0.2:/opt/eldk/ppc_8xx " \
  47. "nfsaddrs=10.0.0.99:10.0.0.2"
  48. #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
  49. #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
  50. #undef CONFIG_WATCHDOG /* watchdog disabled */
  51. #define CONFIG_COMMANDS \
  52. ((CONFIG_CMD_DFL & ~(CFG_CMD_FLASH)) | CFG_CMD_IDE) /* no Flash, but IDE */
  53. #define CONFIG_MAC_PARTITION
  54. #define CONFIG_DOS_PARTITION
  55. #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
  56. /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
  57. #include <cmd_confdefs.h>
  58. /*----------------------------------------------------------------------*/
  59. #define CONFIG_ETHADDR 00:D0:93:00:01:CB
  60. #define CONFIG_IPADDR 10.0.0.98
  61. #define CONFIG_SERVERIP 10.0.0.1
  62. #undef CONFIG_BOOTCOMMAND
  63. #define CONFIG_BOOTCOMMAND "tftp 200000 uImage;bootm 200000"
  64. /*----------------------------------------------------------------------*/
  65. /*
  66. * Miscellaneous configurable options
  67. */
  68. #define CFG_LONGHELP /* undef to save memory */
  69. #define CFG_PROMPT "=> " /* Monitor Command Prompt */
  70. #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
  71. #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
  72. #else
  73. #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
  74. #endif
  75. #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
  76. #define CFG_MAXARGS 16 /* max number of command args */
  77. #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
  78. #define CFG_MEMTEST_START 0x00100000 /* memtest works on */
  79. #define CFG_MEMTEST_END 0x00F00000 /* 1 ... 15MB in DRAM */
  80. #define CFG_LOAD_ADDR 0x00100000 /* default load address */
  81. #define CFG_PIO_MODE 0 /* IDE interface in PIO Mode 0 */
  82. #define CFG_PC_IDE_RESET ((ushort)0x0008) /* PC 12 */
  83. #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
  84. #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
  85. /*
  86. * Low Level Configuration Settings
  87. * (address mappings, register initial values, etc.)
  88. * You should know what you are doing if you make changes here.
  89. */
  90. /*-----------------------------------------------------------------------
  91. * Internal Memory Mapped Register
  92. */
  93. #define CFG_IMMR 0xFFF00000 /* was: 0xFF000000 */
  94. /*-----------------------------------------------------------------------
  95. * Definitions for initial stack pointer and data area (in DPRAM)
  96. */
  97. #define CFG_INIT_RAM_ADDR CFG_IMMR
  98. #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
  99. #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
  100. #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
  101. #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
  102. /*-----------------------------------------------------------------------
  103. * Start addresses for the final memory configuration
  104. * (Set up by the startup code)
  105. * Please note that CFG_SDRAM_BASE _must_ start at 0
  106. */
  107. #define CFG_SDRAM_BASE 0x00000000
  108. #define CFG_FLASH_BASE 0xFF000000
  109. #ifdef DEBUG
  110. #define CFG_MONITOR_LEN (512 << 10) /* Reserve 512 kB for Monitor */
  111. #else
  112. #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
  113. #endif
  114. #define CFG_MONITOR_BASE CFG_FLASH_BASE
  115. #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
  116. /*
  117. * For booting Linux, the board info and command line data
  118. * have to be in the first 8 MB of memory, since this is
  119. * the maximum mapped by the Linux kernel during initialization.
  120. */
  121. #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
  122. /*-----------------------------------------------------------------------
  123. * FLASH organization
  124. */
  125. #define CFG_MAX_FLASH_BANKS 0 /* max number of memory banks */
  126. #define CFG_MAX_FLASH_SECT 0 /* max number of sectors on one chip */
  127. #define CFG_FLASH_ERASE_TOUT 0 /* Timeout for Flash Erase (in ms) */
  128. #define CFG_FLASH_WRITE_TOUT 0 /* Timeout for Flash Write (in ms) */
  129. #define CFG_ENV_IS_IN_FLASH 1
  130. #define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
  131. #define CFG_ENV_SIZE 0x0800 /* Total Size of Environment Sector */
  132. /*-----------------------------------------------------------------------
  133. * Cache Configuration
  134. */
  135. #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
  136. #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
  137. #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
  138. #endif
  139. /*-----------------------------------------------------------------------
  140. * SYPCR - System Protection Control 11-9
  141. * SYPCR can only be written once after reset!
  142. *-----------------------------------------------------------------------
  143. * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
  144. */
  145. #if defined(CONFIG_WATCHDOG)
  146. #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
  147. SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
  148. #else
  149. #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
  150. #endif
  151. /*-----------------------------------------------------------------------
  152. * SIUMCR - SIU Module Configuration 11-6
  153. *-----------------------------------------------------------------------
  154. * PCMCIA config., multi-function pin tri-state
  155. */
  156. /* 0x00000040 */
  157. #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC00 | SIUMCR_GB5E)
  158. /*-----------------------------------------------------------------------
  159. * TBSCR - Time Base Status and Control 11-26
  160. *-----------------------------------------------------------------------
  161. * Clear Reference Interrupt Status, Timebase freezing enabled
  162. */
  163. #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
  164. /*-----------------------------------------------------------------------
  165. * PISCR - Periodic Interrupt Status and Control 11-31
  166. *-----------------------------------------------------------------------
  167. * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
  168. */
  169. #define CFG_PISCR (PISCR_PS | PISCR_PITF)
  170. /*-----------------------------------------------------------------------
  171. * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
  172. *-----------------------------------------------------------------------
  173. * Reset PLL lock status sticky bit, timer expired status bit and timer
  174. * interrupt status bit, set PLL multiplication factor !
  175. */
  176. /* 0x00b0c0c0 */
  177. #define CFG_PLPRCR \
  178. ( (11 << PLPRCR_MF_SHIFT) | \
  179. PLPRCR_SPLSS | PLPRCR_TEXPS | /*PLPRCR_TMIST|*/ \
  180. /*PLPRCR_CSRC|*/ PLPRCR_LPM_NORMAL | \
  181. PLPRCR_CSR | PLPRCR_LOLRE /*|PLPRCR_FIOPD*/ \
  182. )
  183. /*-----------------------------------------------------------------------
  184. * SCCR - System Clock and reset Control Register 15-27
  185. *-----------------------------------------------------------------------
  186. * Set clock output, timebase and RTC source and divider,
  187. * power management and some other internal clocks
  188. */
  189. #define SCCR_MASK SCCR_EBDF11
  190. /* 0x01800014 */
  191. #define CFG_SCCR (SCCR_COM00 | /*SCCR_TBS|*/ \
  192. SCCR_RTDIV | SCCR_RTSEL | \
  193. /*SCCR_CRQEN|*/ /*SCCR_PRQEN|*/ \
  194. SCCR_EBDF00 | SCCR_DFSYNC00 | \
  195. SCCR_DFBRG00 | SCCR_DFNL000 | \
  196. SCCR_DFNH000 | SCCR_DFLCD101 | \
  197. SCCR_DFALCD00)
  198. /*-----------------------------------------------------------------------
  199. * RTCSC - Real-Time Clock Status and Control Register
  200. *-----------------------------------------------------------------------
  201. */
  202. /* 0x00C3 */
  203. #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
  204. /*-----------------------------------------------------------------------
  205. * RCCR - RISC Controller Configuration Register
  206. *-----------------------------------------------------------------------
  207. */
  208. /* TIMEP=2 */
  209. #define CFG_RCCR 0x0200
  210. /*-----------------------------------------------------------------------
  211. * RMDS - RISC Microcode Development Support Control Register
  212. *-----------------------------------------------------------------------
  213. */
  214. #define CFG_RMDS 0
  215. /*-----------------------------------------------------------------------
  216. * SDSR - SDMA Status Register
  217. *-----------------------------------------------------------------------
  218. */
  219. #define CFG_SDSR ((u_char)0x83)
  220. /*-----------------------------------------------------------------------
  221. * SDMR - SDMA Mask Register
  222. *-----------------------------------------------------------------------
  223. */
  224. #define CFG_SDMR ((u_char)0x00)
  225. /*-----------------------------------------------------------------------
  226. *
  227. * Interrupt Levels
  228. *-----------------------------------------------------------------------
  229. */
  230. #define CFG_CPM_INTERRUPT 13 /* SIU_LEVEL6 */
  231. /*-----------------------------------------------------------------------
  232. * PCMCIA stuff
  233. *-----------------------------------------------------------------------
  234. *
  235. */
  236. #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
  237. #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
  238. #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
  239. #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
  240. #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
  241. #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
  242. #define CFG_PCMCIA_IO_ADDR (0xEC000000)
  243. #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
  244. /*-----------------------------------------------------------------------
  245. * IDE/ATA stuff
  246. *-----------------------------------------------------------------------
  247. */
  248. #define CONFIG_IDE_8xx_DIRECT 1 /* PCMCIA interface required */
  249. #define CONFIG_IDE_LED 1 /* LED for ide supported */
  250. #define CONFIG_IDE_RESET 1 /* reset for ide supported */
  251. #define CFG_IDE_MAXBUS 2 /* max. 2 IDE busses */
  252. #define CFG_IDE_MAXDEVICE (CFG_IDE_MAXBUS*2) /* max. 2 drives per IDE bus */
  253. #define CFG_ATA_BASE_ADDR 0xFE100000
  254. #define CFG_ATA_IDE0_OFFSET 0x0000
  255. #define CFG_ATA_IDE1_OFFSET 0x0C00
  256. #define CFG_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */
  257. #define CFG_ATA_REG_OFFSET 0x0080 /* Offset for normal register accesses */
  258. #define CFG_ATA_ALT_OFFSET 0x0100 /* Offset for alternate registers */
  259. /*-----------------------------------------------------------------------
  260. *
  261. *-----------------------------------------------------------------------
  262. *
  263. */
  264. #define CFG_DER 0
  265. /*
  266. * Init Memory Controller:
  267. *
  268. * BR0/1 and OR0/1 (FLASH)
  269. */
  270. #define FLASH_BASE0_PRELIM 0xFF000000 /* FLASH bank #0 */
  271. #define FLASH_BASE1_PRELIM 0xFF080000 /* FLASH bank #1 */
  272. /* used to re-map FLASH both when starting from SRAM or FLASH:
  273. * restrict access enough to keep SRAM working (if any)
  274. * but not too much to meddle with FLASH accesses
  275. */
  276. /* EPROMs are 512kb */
  277. #define CFG_REMAP_OR_AM 0xFFF80000 /* OR addr mask */
  278. #define CFG_PRELIM_OR_AM 0xFFF80000 /* OR addr mask */
  279. /* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1 */
  280. #define CFG_OR_TIMING_FLASH (/* OR_CSNT_SAM | */ OR_ACS_DIV4 | OR_BI | \
  281. OR_SCY_5_CLK | OR_EHTR)
  282. #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
  283. #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
  284. /* 16 bit, bank valid */
  285. #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V )
  286. #define CFG_OR1_REMAP CFG_OR0_REMAP
  287. #define CFG_OR1_PRELIM CFG_OR0_PRELIM
  288. /* 16 bit, bank valid */
  289. #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V )
  290. /*
  291. * BR2-5 and OR2-5 (SRAM/SDRAM/PER8/SHARC)
  292. *
  293. */
  294. #define SRAM_BASE 0xFE200000 /* SRAM bank */
  295. #define SRAM_OR_AM 0xFFE00000 /* SRAM is 2 MB */
  296. #define SDRAM_BASE3_PRELIM 0x00000000 /* SDRAM bank */
  297. #define SDRAM_PRELIM_OR_AM 0xF8000000 /* map max. 128 MB */
  298. #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB SDRAM */
  299. #define PER8_BASE 0xFE000000 /* PER8 bank */
  300. #define PER8_OR_AM 0xFFF00000 /* PER8 is 1 MB */
  301. #define SHARC_BASE 0xFE400000 /* SHARC bank */
  302. #define SHARC_OR_AM 0xFFC00000 /* SHARC is 4 MB */
  303. /* SRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
  304. #define CFG_OR_TIMING_SRAM 0x00000D42 /* SRAM-Timing */
  305. #define CFG_OR2 (SRAM_OR_AM | CFG_OR_TIMING_SRAM )
  306. #define CFG_BR2 ((SRAM_BASE & BR_BA_MSK) | BR_PS_16 | BR_V )
  307. /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
  308. #define CFG_OR_TIMING_SDRAM 0x00000A00 /* SDRAM-Timing */
  309. #define CFG_OR3_PRELIM (SDRAM_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
  310. #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMB | BR_V )
  311. #define CFG_OR_TIMING_PER8 0x00000F32 /* PER8-Timing */
  312. #define CFG_OR4 (PER8_OR_AM | CFG_OR_TIMING_PER8 )
  313. #define CFG_BR4 ((PER8_BASE & BR_BA_MSK) | BR_PS_8 | BR_V )
  314. #define CFG_OR_TIMING_SHARC 0x00000700 /* SHARC-Timing */
  315. #define CFG_OR5 (SHARC_OR_AM | CFG_OR_TIMING_SHARC )
  316. #define CFG_BR5 ((SHARC_BASE & BR_BA_MSK) | BR_PS_32 | BR_MS_UPMA | BR_V )
  317. /*
  318. * Memory Periodic Timer Prescaler
  319. */
  320. /* periodic timer for refresh */
  321. #define CFG_MBMR_PTB 204
  322. /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
  323. #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
  324. #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
  325. /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
  326. #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
  327. #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
  328. /*
  329. * MBMR settings for SDRAM
  330. */
  331. /* 8 column SDRAM */
  332. #define CFG_MBMR_8COL ((CFG_MBMR_PTB << MBMR_PTB_SHIFT) | \
  333. MBMR_AMB_TYPE_0 | MBMR_DSB_1_CYCL | MBMR_G0CLB_A11 | \
  334. MBMR_RLFB_1X | MBMR_WLFB_1X | MBMR_TLFB_4X)
  335. /*
  336. * Internal Definitions
  337. *
  338. * Boot Flags
  339. */
  340. #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
  341. #define BOOTFLAG_WARM 0x02 /* Software reboot */
  342. #endif /* __CONFIG_H */