TQM885D.h 18 KB

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  1. /*
  2. * (C) Copyright 2000-2005
  3. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  4. *
  5. * (C) Copyright 2006
  6. * Martin Krause, TQ-Systems GmBH, martin.krause@tqs.de
  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. /*
  27. * board/config.h - configuration options, board specific
  28. */
  29. #ifndef __CONFIG_H
  30. #define __CONFIG_H
  31. /*
  32. * High Level Configuration Options
  33. * (easy to change)
  34. */
  35. #define CONFIG_MPC885 1 /* This is a MPC885 CPU */
  36. #define CONFIG_TQM885D 1 /* ...on a TQM88D module */
  37. #define CONFIG_SYS_TEXT_BASE 0x40000000
  38. #define CONFIG_8xx_OSCLK 10000000 /* 10 MHz - PLL input clock */
  39. #define CONFIG_SYS_8xx_CPUCLK_MIN 15000000 /* 15 MHz - CPU minimum clock */
  40. #define CONFIG_SYS_8xx_CPUCLK_MAX 133000000 /* 133 MHz - CPU maximum clock */
  41. #define CONFIG_8xx_CPUCLK_DEFAULT 66000000 /* 66 MHz - CPU default clock */
  42. /* (it will be used if there is no */
  43. /* 'cpuclk' variable with valid value) */
  44. #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
  45. #define CONFIG_SYS_SMC_RXBUFLEN 128
  46. #define CONFIG_SYS_MAXIDLE 10
  47. #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
  48. #define CONFIG_BOOTCOUNT_LIMIT
  49. #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
  50. #define CONFIG_BOARD_TYPES 1 /* support board types */
  51. #define CONFIG_PREBOOT "echo;" \
  52. "echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
  53. "echo"
  54. #undef CONFIG_BOOTARGS
  55. #define CONFIG_EXTRA_ENV_SETTINGS \
  56. "netdev=eth0\0" \
  57. "nfsargs=setenv bootargs root=/dev/nfs rw " \
  58. "nfsroot=${serverip}:${rootpath}\0" \
  59. "ramargs=setenv bootargs root=/dev/ram rw\0" \
  60. "addip=setenv bootargs ${bootargs} " \
  61. "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
  62. ":${hostname}:${netdev}:off panic=1\0" \
  63. "flash_nfs=run nfsargs addip;" \
  64. "bootm ${kernel_addr}\0" \
  65. "flash_self=run ramargs addip;" \
  66. "bootm ${kernel_addr} ${ramdisk_addr}\0" \
  67. "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
  68. "rootpath=/opt/eldk/ppc_8xx\0" \
  69. "bootfile=/tftpboot/TQM885D/uImage\0" \
  70. "fdt_addr=400C0000\0" \
  71. "kernel_addr=40100000\0" \
  72. "ramdisk_addr=40280000\0" \
  73. "load=tftp 200000 ${u-boot}\0" \
  74. "update=protect off 40000000 +${filesize};" \
  75. "erase 40000000 +${filesize};" \
  76. "cp.b 200000 40000000 ${filesize};" \
  77. "protect on 40000000 +${filesize}\0" \
  78. ""
  79. #define CONFIG_BOOTCOMMAND "run flash_self"
  80. #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
  81. #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
  82. #undef CONFIG_WATCHDOG /* watchdog disabled */
  83. #define CONFIG_STATUS_LED 1 /* Status LED enabled */
  84. #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
  85. /* enable I2C and select the hardware/software driver */
  86. #undef CONFIG_HARD_I2C /* I2C with hardware support */
  87. #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
  88. #define CONFIG_SYS_I2C_SPEED 93000 /* 93 kHz is supposed to work */
  89. #define CONFIG_SYS_I2C_SLAVE 0xFE
  90. #ifdef CONFIG_SOFT_I2C
  91. /*
  92. * Software (bit-bang) I2C driver configuration
  93. */
  94. #define PB_SCL 0x00000020 /* PB 26 */
  95. #define PB_SDA 0x00000010 /* PB 27 */
  96. #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
  97. #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
  98. #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
  99. #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
  100. #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
  101. else immr->im_cpm.cp_pbdat &= ~PB_SDA
  102. #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
  103. else immr->im_cpm.cp_pbdat &= ~PB_SCL
  104. #define I2C_DELAY udelay(2) /* 1/4 I2C clock duration */
  105. #endif /* CONFIG_SOFT_I2C */
  106. #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* EEPROM AT24C?? */
  107. #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 /* two byte address */
  108. #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4
  109. #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
  110. # define CONFIG_RTC_DS1337 1
  111. # define CONFIG_SYS_I2C_RTC_ADDR 0x68
  112. /*
  113. * BOOTP options
  114. */
  115. #define CONFIG_BOOTP_SUBNETMASK
  116. #define CONFIG_BOOTP_GATEWAY
  117. #define CONFIG_BOOTP_HOSTNAME
  118. #define CONFIG_BOOTP_BOOTPATH
  119. #define CONFIG_BOOTP_BOOTFILESIZE
  120. #define CONFIG_MAC_PARTITION
  121. #define CONFIG_DOS_PARTITION
  122. #undef CONFIG_RTC_MPC8xx /* MPC885 does not support RTC */
  123. #define CONFIG_TIMESTAMP /* but print image timestmps */
  124. /*
  125. * Command line configuration.
  126. */
  127. #include <config_cmd_default.h>
  128. #define CONFIG_CMD_ASKENV
  129. #define CONFIG_CMD_DATE
  130. #define CONFIG_CMD_DHCP
  131. #define CONFIG_CMD_EEPROM
  132. #define CONFIG_CMD_EXT2
  133. #define CONFIG_CMD_I2C
  134. #define CONFIG_CMD_IDE
  135. #define CONFIG_CMD_MII
  136. #define CONFIG_CMD_NFS
  137. #define CONFIG_CMD_PING
  138. /*
  139. * Miscellaneous configurable options
  140. */
  141. #define CONFIG_SYS_LONGHELP /* undef to save memory */
  142. #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
  143. #define CONFIG_CMDLINE_EDITING 1 /* add command line history */
  144. #define CONFIG_SYS_HUSH_PARSER 1 /* Use the HUSH parser */
  145. #ifdef CONFIG_SYS_HUSH_PARSER
  146. #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
  147. #endif
  148. #if defined(CONFIG_CMD_KGDB)
  149. #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
  150. #else
  151. #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
  152. #endif
  153. #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
  154. #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
  155. #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
  156. #define CONFIG_SYS_MEMTEST_START 0x0100000 /* memtest works on */
  157. #define CONFIG_SYS_MEMTEST_END 0x0300000 /* 1 ... 3 MB in DRAM */
  158. #define CONFIG_SYS_ALT_MEMTEST /* alternate, more extensive
  159. memory test.*/
  160. #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
  161. #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
  162. #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
  163. /*
  164. * Enable loopw command.
  165. */
  166. #define CONFIG_LOOPW
  167. /*
  168. * Low Level Configuration Settings
  169. * (address mappings, register initial values, etc.)
  170. * You should know what you are doing if you make changes here.
  171. */
  172. /*-----------------------------------------------------------------------
  173. * Internal Memory Mapped Register
  174. */
  175. #define CONFIG_SYS_IMMR 0xFFF00000
  176. /*-----------------------------------------------------------------------
  177. * Definitions for initial stack pointer and data area (in DPRAM)
  178. */
  179. #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
  180. #define CONFIG_SYS_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
  181. #define CONFIG_SYS_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
  182. #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
  183. #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
  184. /*-----------------------------------------------------------------------
  185. * Start addresses for the final memory configuration
  186. * (Set up by the startup code)
  187. * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
  188. */
  189. #define CONFIG_SYS_SDRAM_BASE 0x00000000
  190. #define CONFIG_SYS_FLASH_BASE 0x40000000
  191. #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
  192. #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
  193. #define CONFIG_SYS_MALLOC_LEN (256 << 10) /* Reserve 128 kB for malloc() */
  194. /*
  195. * For booting Linux, the board info and command line data
  196. * have to be in the first 8 MB of memory, since this is
  197. * the maximum mapped by the Linux kernel during initialization.
  198. */
  199. #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
  200. /*-----------------------------------------------------------------------
  201. * FLASH organization
  202. */
  203. /* use CFI flash driver */
  204. #define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */
  205. #define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
  206. #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE }
  207. #define CONFIG_SYS_FLASH_EMPTY_INFO
  208. #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
  209. #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
  210. #define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
  211. #define CONFIG_ENV_IS_IN_FLASH 1
  212. #define CONFIG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */
  213. #define CONFIG_ENV_SIZE 0x08000 /* Total Size of Environment */
  214. #define CONFIG_ENV_SECT_SIZE 0x40000 /* Total Size of Environment Sector */
  215. /* Address and size of Redundant Environment Sector */
  216. #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SECT_SIZE)
  217. #define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
  218. /*-----------------------------------------------------------------------
  219. * Hardware Information Block
  220. */
  221. #define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
  222. #define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
  223. #define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
  224. /*-----------------------------------------------------------------------
  225. * Cache Configuration
  226. */
  227. #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
  228. #if defined(CONFIG_CMD_KGDB)
  229. #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
  230. #endif
  231. /*-----------------------------------------------------------------------
  232. * SYPCR - System Protection Control 11-9
  233. * SYPCR can only be written once after reset!
  234. *-----------------------------------------------------------------------
  235. * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
  236. */
  237. #if defined(CONFIG_WATCHDOG)
  238. #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
  239. SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
  240. #else
  241. #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
  242. #endif
  243. /*-----------------------------------------------------------------------
  244. * SIUMCR - SIU Module Configuration 11-6
  245. *-----------------------------------------------------------------------
  246. * PCMCIA config., multi-function pin tri-state
  247. */
  248. #ifndef CONFIG_CAN_DRIVER
  249. #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
  250. #else /* we must activate GPL5 in the SIUMCR for CAN */
  251. #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
  252. #endif /* CONFIG_CAN_DRIVER */
  253. /*-----------------------------------------------------------------------
  254. * TBSCR - Time Base Status and Control 11-26
  255. *-----------------------------------------------------------------------
  256. * Clear Reference Interrupt Status, Timebase freezing enabled
  257. */
  258. #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
  259. /*-----------------------------------------------------------------------
  260. * PISCR - Periodic Interrupt Status and Control 11-31
  261. *-----------------------------------------------------------------------
  262. * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
  263. */
  264. #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
  265. /*-----------------------------------------------------------------------
  266. * SCCR - System Clock and reset Control Register 15-27
  267. *-----------------------------------------------------------------------
  268. * Set clock output, timebase and RTC source and divider,
  269. * power management and some other internal clocks
  270. */
  271. #define SCCR_MASK SCCR_EBDF11
  272. #define CONFIG_SYS_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
  273. SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
  274. SCCR_DFALCD00)
  275. /*-----------------------------------------------------------------------
  276. * PCMCIA stuff
  277. *-----------------------------------------------------------------------
  278. *
  279. */
  280. #define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
  281. #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
  282. #define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
  283. #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
  284. #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
  285. #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
  286. #define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
  287. #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
  288. /*-----------------------------------------------------------------------
  289. * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
  290. *-----------------------------------------------------------------------
  291. */
  292. #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
  293. #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
  294. #undef CONFIG_IDE_LED /* LED for ide not supported */
  295. #undef CONFIG_IDE_RESET /* reset for ide not supported */
  296. #define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
  297. #define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
  298. #define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
  299. #define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
  300. /* Offset for data I/O */
  301. #define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
  302. /* Offset for normal register accesses */
  303. #define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
  304. /* Offset for alternate registers */
  305. #define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
  306. /*-----------------------------------------------------------------------
  307. *
  308. *-----------------------------------------------------------------------
  309. *
  310. */
  311. #define CONFIG_SYS_DER 0
  312. /*
  313. * Init Memory Controller:
  314. *
  315. * BR0/1 and OR0/1 (FLASH)
  316. */
  317. #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
  318. #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
  319. /* used to re-map FLASH both when starting from SRAM or FLASH:
  320. * restrict access enough to keep SRAM working (if any)
  321. * but not too much to meddle with FLASH accesses
  322. */
  323. #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
  324. #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
  325. /*
  326. * FLASH timing: Default value of OR0 after reset
  327. */
  328. #define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_MSK | OR_BI | \
  329. OR_SCY_6_CLK | OR_TRLX)
  330. #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
  331. #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
  332. #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
  333. #define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
  334. #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
  335. #define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
  336. /*
  337. * BR2/3 and OR2/3 (SDRAM)
  338. *
  339. */
  340. #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
  341. #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
  342. #define SDRAM_MAX_SIZE (256 << 20) /* max 256 MB per bank */
  343. /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
  344. #define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
  345. #define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
  346. #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
  347. #ifndef CONFIG_CAN_DRIVER
  348. #define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM
  349. #define CONFIG_SYS_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
  350. #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
  351. #define CONFIG_SYS_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
  352. #define CONFIG_SYS_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
  353. #define CONFIG_SYS_OR3_CAN (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
  354. #define CONFIG_SYS_BR3_CAN ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
  355. BR_PS_8 | BR_MS_UPMB | BR_V )
  356. #endif /* CONFIG_CAN_DRIVER */
  357. /*
  358. * 4096 Rows from SDRAM example configuration
  359. * 1000 factor s -> ms
  360. * 64 PTP (pre-divider from MPTPR) from SDRAM example configuration
  361. * 4 Number of refresh cycles per period
  362. * 64 Refresh cycle in ms per number of rows
  363. */
  364. #define CONFIG_SYS_PTA_PER_CLK ((4096 * 64 * 1000) / (4 * 64))
  365. /*
  366. * Periodic timer (MAMR[PTx]) for 4 * 7.8 us refresh (= 31.2 us per quad)
  367. *
  368. * CPUclock(MHz) * 31.2
  369. * CONFIG_SYS_MAMR_PTA = ----------------------------------- with DFBRG = 0
  370. * 2^(2*SCCR[DFBRG]) * MPTPR_PTP_DIV16
  371. *
  372. * CPU clock = 15 MHz: CONFIG_SYS_MAMR_PTA = 29 -> 4 * 7.73 us
  373. * CPU clock = 50 MHz: CONFIG_SYS_MAMR_PTA = 97 -> 4 * 7.76 us
  374. * CPU clock = 66 MHz: CONFIG_SYS_MAMR_PTA = 128 -> 4 * 7.75 us
  375. * CPU clock = 133 MHz: CONFIG_SYS_MAMR_PTA = 255 -> 4 * 7.67 us
  376. *
  377. * Value 97 is for 4 * 7.8 us at 50 MHz. So the refresh cycle requirement will
  378. * be met also in the default configuration, i.e. if environment variable
  379. * 'cpuclk' is not set.
  380. */
  381. #define CONFIG_SYS_MAMR_PTA 128
  382. /*
  383. * Memory Periodic Timer Prescaler Register (MPTPR) values.
  384. */
  385. /* 4 * 7.8 us refresh (= 31.2 us per quad) at 50 MHz and PTA = 97 */
  386. #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16
  387. /* 4 * 3.9 us refresh (= 15.6 us per quad) at 50 MHz and PTA = 97 */
  388. #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8
  389. /*
  390. * MAMR settings for SDRAM
  391. */
  392. /* 8 column SDRAM */
  393. #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
  394. MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
  395. MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
  396. /* 9 column SDRAM */
  397. #define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
  398. MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
  399. MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
  400. /* 10 column SDRAM */
  401. #define CONFIG_SYS_MAMR_10COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
  402. MAMR_AMA_TYPE_2 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A9 | \
  403. MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
  404. /*
  405. * Network configuration
  406. */
  407. #define CONFIG_SCC2_ENET /* enable ethernet on SCC2 */
  408. #define CONFIG_FEC_ENET /* enable ethernet on FEC */
  409. #define CONFIG_ETHER_ON_FEC1 /* ... for FEC1 */
  410. #define CONFIG_ETHER_ON_FEC2 /* ... for FEC2 */
  411. #if defined(CONFIG_CMD_MII)
  412. #define CONFIG_SYS_DISCOVER_PHY
  413. #define CONFIG_MII_INIT 1
  414. #endif
  415. #define CONFIG_NET_RETRY_COUNT 1 /* reduce max. timeout before
  416. switching to another netwok (if the
  417. tried network is unreachable) */
  418. #define CONFIG_ETHPRIME "SCC"
  419. /* pass open firmware flat tree */
  420. #define CONFIG_OF_LIBFDT 1
  421. #define CONFIG_OF_BOARD_SETUP 1
  422. #define CONFIG_HWCONFIG 1
  423. #endif /* __CONFIG_H */