TK885D.h 18 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517
  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_TK885D 1 /* ...in a TK885D base board */
  38. #define CONFIG_SYS_TEXT_BASE 0x40000000
  39. #define CONFIG_8xx_OSCLK 10000000 /* 10 MHz - PLL input clock */
  40. #define CONFIG_SYS_8xx_CPUCLK_MIN 15000000 /* 15 MHz - CPU minimum clock */
  41. #define CONFIG_SYS_8xx_CPUCLK_MAX 133000000 /* 133 MHz - CPU maximum clock */
  42. #define CONFIG_8xx_CPUCLK_DEFAULT 66000000 /* 66 MHz - CPU default clock */
  43. /* (it will be used if there is no */
  44. /* 'cpuclk' variable with valid value) */
  45. #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
  46. #define CONFIG_SYS_SMC_RXBUFLEN 128
  47. #define CONFIG_SYS_MAXIDLE 10
  48. #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
  49. #define CONFIG_BOOTCOUNT_LIMIT
  50. #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
  51. #define CONFIG_BOARD_TYPES 1 /* support board types */
  52. #define CONFIG_PREBOOT "echo;" \
  53. "echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
  54. "echo"
  55. #undef CONFIG_BOOTARGS
  56. #define CONFIG_EXTRA_ENV_SETTINGS \
  57. "ethprime=FEC\0" \
  58. "ethact=FEC\0" \
  59. "netdev=eth0\0" \
  60. "nfsargs=setenv bootargs root=/dev/nfs rw " \
  61. "nfsroot=${serverip}:${rootpath}\0" \
  62. "ramargs=setenv bootargs root=/dev/ram rw\0" \
  63. "addip=setenv bootargs ${bootargs} " \
  64. "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
  65. ":${hostname}:${netdev}:off panic=1\0" \
  66. "flash_nfs=run nfsargs addip;" \
  67. "bootm ${kernel_addr}\0" \
  68. "flash_self=run ramargs addip;" \
  69. "bootm ${kernel_addr} ${ramdisk_addr}\0" \
  70. "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
  71. "rootpath=/opt/eldk/ppc_8xx\0" \
  72. "bootfile=/tftpboot/tk885d/uImage\0" \
  73. "u-boot=/tftpboot/tk885d/u-boot.bin\0" \
  74. "kernel_addr=40080000\0" \
  75. "ramdisk_addr=40180000\0" \
  76. "load=tftp 200000 ${u-boot}\0" \
  77. "update=protect off 40000000 +${filesize};" \
  78. "erase 40000000 +${filesize};" \
  79. "cp.b 200000 40000000 ${filesize};" \
  80. "protect on 40000000 +${filesize}\0" \
  81. ""
  82. #define CONFIG_BOOTCOMMAND "run flash_self"
  83. #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
  84. #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
  85. #undef CONFIG_WATCHDOG /* watchdog disabled */
  86. #define CONFIG_STATUS_LED 1 /* Status LED enabled */
  87. #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
  88. /* enable I2C and select the hardware/software driver */
  89. #undef CONFIG_HARD_I2C /* I2C with hardware support */
  90. #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
  91. #define CONFIG_SYS_I2C_SPEED 93000 /* 93 kHz is supposed to work */
  92. #define CONFIG_SYS_I2C_SLAVE 0xFE
  93. #ifdef CONFIG_SOFT_I2C
  94. /*
  95. * Software (bit-bang) I2C driver configuration
  96. */
  97. #define PB_SCL 0x00000020 /* PB 26 */
  98. #define PB_SDA 0x00000010 /* PB 27 */
  99. #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
  100. #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
  101. #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
  102. #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
  103. #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
  104. else immr->im_cpm.cp_pbdat &= ~PB_SDA
  105. #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
  106. else immr->im_cpm.cp_pbdat &= ~PB_SCL
  107. #define I2C_DELAY udelay(2) /* 1/4 I2C clock duration */
  108. #endif /* CONFIG_SOFT_I2C */
  109. #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* EEPROM AT24C?? */
  110. #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 /* two byte address */
  111. #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4
  112. #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
  113. # define CONFIG_RTC_DS1337 1
  114. # define CONFIG_SYS_I2C_RTC_ADDR 0x68
  115. /*
  116. * BOOTP options
  117. */
  118. #define CONFIG_BOOTP_SUBNETMASK
  119. #define CONFIG_BOOTP_GATEWAY
  120. #define CONFIG_BOOTP_HOSTNAME
  121. #define CONFIG_BOOTP_BOOTPATH
  122. #define CONFIG_BOOTP_BOOTFILESIZE
  123. #define CONFIG_MAC_PARTITION
  124. #define CONFIG_DOS_PARTITION
  125. #undef CONFIG_RTC_MPC8xx /* MPC885 does not support RTC */
  126. #define CONFIG_TIMESTAMP /* but print image timestmps */
  127. /*
  128. * Command line configuration.
  129. */
  130. #include <config_cmd_default.h>
  131. #define CONFIG_CMD_ASKENV
  132. #define CONFIG_CMD_DATE
  133. #define CONFIG_CMD_DHCP
  134. #define CONFIG_CMD_EEPROM
  135. #define CONFIG_CMD_I2C
  136. #define CONFIG_CMD_IDE
  137. #define CONFIG_CMD_MII
  138. #define CONFIG_CMD_NFS
  139. #define CONFIG_CMD_PING
  140. /*
  141. * Miscellaneous configurable options
  142. */
  143. #define CONFIG_SYS_LONGHELP /* undef to save memory */
  144. #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
  145. #define CONFIG_CMDLINE_EDITING 1 /* add command line history */
  146. #define CONFIG_SYS_HUSH_PARSER 1 /* Use the HUSH parser */
  147. #ifdef CONFIG_SYS_HUSH_PARSER
  148. #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
  149. #endif
  150. #if defined(CONFIG_CMD_KGDB)
  151. #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
  152. #else
  153. #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
  154. #endif
  155. #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
  156. #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
  157. #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
  158. #define CONFIG_SYS_MEMTEST_START 0x0100000 /* memtest works on */
  159. #define CONFIG_SYS_MEMTEST_END 0x0300000 /* 1 ... 3 MB in DRAM */
  160. #define CONFIG_SYS_ALT_MEMTEST /* alternate, more extensive
  161. memory test.*/
  162. #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
  163. #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
  164. #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
  165. /*
  166. * Enable loopw command.
  167. */
  168. #define CONFIG_LOOPW
  169. /*
  170. * Low Level Configuration Settings
  171. * (address mappings, register initial values, etc.)
  172. * You should know what you are doing if you make changes here.
  173. */
  174. /*-----------------------------------------------------------------------
  175. * Internal Memory Mapped Register
  176. */
  177. #define CONFIG_SYS_IMMR 0xFFF00000
  178. /*-----------------------------------------------------------------------
  179. * Definitions for initial stack pointer and data area (in DPRAM)
  180. */
  181. #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
  182. #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
  183. #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
  184. #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
  185. /*-----------------------------------------------------------------------
  186. * Start addresses for the final memory configuration
  187. * (Set up by the startup code)
  188. * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
  189. */
  190. #define CONFIG_SYS_SDRAM_BASE 0x00000000
  191. #define CONFIG_SYS_FLASH_BASE 0x40000000
  192. #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
  193. #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
  194. #define CONFIG_SYS_MALLOC_LEN (256 << 10) /* Reserve 128 kB for malloc() */
  195. /*
  196. * For booting Linux, the board info and command line data
  197. * have to be in the first 8 MB of memory, since this is
  198. * the maximum mapped by the Linux kernel during initialization.
  199. */
  200. #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
  201. /*-----------------------------------------------------------------------
  202. * FLASH organization
  203. */
  204. /* use CFI flash driver */
  205. #define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */
  206. #define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
  207. #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE }
  208. #define CONFIG_SYS_FLASH_EMPTY_INFO
  209. #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
  210. #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
  211. #define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
  212. #define CONFIG_ENV_IS_IN_FLASH 1
  213. #define CONFIG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */
  214. #define CONFIG_ENV_SIZE 0x08000 /* Total Size of Environment */
  215. #define CONFIG_ENV_SECT_SIZE 0x40000 /* Total Size of Environment Sector */
  216. /* Address and size of Redundant Environment Sector */
  217. #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SECT_SIZE)
  218. #define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
  219. /*-----------------------------------------------------------------------
  220. * Hardware Information Block
  221. */
  222. #define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
  223. #define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
  224. #define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
  225. /*-----------------------------------------------------------------------
  226. * Cache Configuration
  227. */
  228. #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
  229. #if defined(CONFIG_CMD_KGDB)
  230. #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
  231. #endif
  232. /*-----------------------------------------------------------------------
  233. * SYPCR - System Protection Control 11-9
  234. * SYPCR can only be written once after reset!
  235. *-----------------------------------------------------------------------
  236. * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
  237. */
  238. #if defined(CONFIG_WATCHDOG)
  239. #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
  240. SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
  241. #else
  242. #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
  243. #endif
  244. /*-----------------------------------------------------------------------
  245. * SIUMCR - SIU Module Configuration 11-6
  246. *-----------------------------------------------------------------------
  247. * PCMCIA config., multi-function pin tri-state
  248. */
  249. #ifndef CONFIG_CAN_DRIVER
  250. #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
  251. #else /* we must activate GPL5 in the SIUMCR for CAN */
  252. #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
  253. #endif /* CONFIG_CAN_DRIVER */
  254. /*-----------------------------------------------------------------------
  255. * TBSCR - Time Base Status and Control 11-26
  256. *-----------------------------------------------------------------------
  257. * Clear Reference Interrupt Status, Timebase freezing enabled
  258. */
  259. #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
  260. /*-----------------------------------------------------------------------
  261. * PISCR - Periodic Interrupt Status and Control 11-31
  262. *-----------------------------------------------------------------------
  263. * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
  264. */
  265. #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
  266. /*-----------------------------------------------------------------------
  267. * SCCR - System Clock and reset Control Register 15-27
  268. *-----------------------------------------------------------------------
  269. * Set clock output, timebase and RTC source and divider,
  270. * power management and some other internal clocks
  271. */
  272. #define SCCR_MASK SCCR_EBDF11
  273. #define CONFIG_SYS_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
  274. SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
  275. SCCR_DFALCD00)
  276. /*-----------------------------------------------------------------------
  277. * PCMCIA stuff
  278. *-----------------------------------------------------------------------
  279. *
  280. */
  281. #define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
  282. #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
  283. #define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
  284. #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
  285. #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
  286. #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
  287. #define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
  288. #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
  289. /*-----------------------------------------------------------------------
  290. * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
  291. *-----------------------------------------------------------------------
  292. */
  293. #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
  294. #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
  295. #undef CONFIG_IDE_LED /* LED for ide not supported */
  296. #undef CONFIG_IDE_RESET /* reset for ide not supported */
  297. #define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
  298. #define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
  299. #define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
  300. #define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
  301. /* Offset for data I/O */
  302. #define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
  303. /* Offset for normal register accesses */
  304. #define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
  305. /* Offset for alternate registers */
  306. #define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
  307. /*-----------------------------------------------------------------------
  308. *
  309. *-----------------------------------------------------------------------
  310. *
  311. */
  312. #define CONFIG_SYS_DER 0
  313. /*
  314. * Init Memory Controller:
  315. *
  316. * BR0/1 and OR0/1 (FLASH)
  317. */
  318. #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
  319. #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
  320. /* used to re-map FLASH both when starting from SRAM or FLASH:
  321. * restrict access enough to keep SRAM working (if any)
  322. * but not too much to meddle with FLASH accesses
  323. */
  324. #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
  325. #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
  326. /*
  327. * FLASH timing: Default value of OR0 after reset
  328. */
  329. #define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_MSK | OR_BI | \
  330. OR_SCY_6_CLK | OR_TRLX)
  331. #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
  332. #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
  333. #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
  334. #define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
  335. #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
  336. #define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
  337. /*
  338. * BR2/3 and OR2/3 (SDRAM)
  339. *
  340. */
  341. #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
  342. #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
  343. #define SDRAM_MAX_SIZE (256 << 20) /* max 256 MB per bank */
  344. /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
  345. #define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
  346. #define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
  347. #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
  348. #ifndef CONFIG_CAN_DRIVER
  349. #define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM
  350. #define CONFIG_SYS_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
  351. #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
  352. #define CONFIG_SYS_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
  353. #define CONFIG_SYS_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
  354. #define CONFIG_SYS_OR3_CAN (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
  355. #define CONFIG_SYS_BR3_CAN ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
  356. BR_PS_8 | BR_MS_UPMB | BR_V )
  357. #endif /* CONFIG_CAN_DRIVER */
  358. /*
  359. * 4096 Rows from SDRAM example configuration
  360. * 1000 factor s -> ms
  361. * 64 PTP (pre-divider from MPTPR) from SDRAM example configuration
  362. * 4 Number of refresh cycles per period
  363. * 64 Refresh cycle in ms per number of rows
  364. */
  365. #define CONFIG_SYS_PTA_PER_CLK ((4096 * 64 * 1000) / (4 * 64))
  366. /*
  367. * Periodic timer (MAMR[PTx]) for 4 * 7.8 us refresh (= 31.2 us per quad)
  368. *
  369. * CPUclock(MHz) * 31.2
  370. * CONFIG_SYS_MAMR_PTA = ----------------------------------- with DFBRG = 0
  371. * 2^(2*SCCR[DFBRG]) * MPTPR_PTP_DIV16
  372. *
  373. * CPU clock = 15 MHz: CONFIG_SYS_MAMR_PTA = 29 -> 4 * 7.73 us
  374. * CPU clock = 50 MHz: CONFIG_SYS_MAMR_PTA = 97 -> 4 * 7.76 us
  375. * CPU clock = 66 MHz: CONFIG_SYS_MAMR_PTA = 128 -> 4 * 7.75 us
  376. * CPU clock = 133 MHz: CONFIG_SYS_MAMR_PTA = 255 -> 4 * 7.67 us
  377. *
  378. * Value 97 is for 4 * 7.8 us at 50 MHz. So the refresh cycle requirement will
  379. * be met also in the default configuration, i.e. if environment variable
  380. * 'cpuclk' is not set.
  381. */
  382. #define CONFIG_SYS_MAMR_PTA 128
  383. /*
  384. * Memory Periodic Timer Prescaler Register (MPTPR) values.
  385. */
  386. /* 4 * 7.8 us refresh (= 31.2 us per quad) at 50 MHz and PTA = 97 */
  387. #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16
  388. /* 4 * 3.9 us refresh (= 15.6 us per quad) at 50 MHz and PTA = 97 */
  389. #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8
  390. /*
  391. * MAMR settings for SDRAM
  392. */
  393. /* 8 column SDRAM */
  394. #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
  395. MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
  396. MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
  397. /* 9 column SDRAM */
  398. #define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
  399. MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
  400. MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
  401. /* 10 column SDRAM */
  402. #define CONFIG_SYS_MAMR_10COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
  403. MAMR_AMA_TYPE_2 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A9 | \
  404. MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
  405. /*
  406. * Network configuration
  407. */
  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. #define CONFIG_LAST_STAGE_INIT 1 /* Have to configure PHYs for Linux */
  412. /* CONFIG_SYS_DISCOVER_PHY only works with FEC if only one interface is enabled */
  413. #if (!defined(CONFIG_ETHER_ON_FEC1) || !defined(CONFIG_ETHER_ON_FEC2))
  414. #define CONFIG_SYS_DISCOVER_PHY
  415. #endif
  416. #ifndef CONFIG_SYS_DISCOVER_PHY
  417. /* PHY addresses - hard wired in hardware */
  418. #define CONFIG_FEC1_PHY 1
  419. #define CONFIG_FEC2_PHY 2
  420. #endif
  421. #define CONFIG_MII_INIT 1
  422. #define CONFIG_NET_RETRY_COUNT 3
  423. #define CONFIG_ETHPRIME "FEC"
  424. /* pass open firmware flat tree */
  425. #define CONFIG_OF_LIBFDT 1
  426. #define CONFIG_OF_BOARD_SETUP 1
  427. #define CONFIG_HWCONFIG 1
  428. #endif /* __CONFIG_H */