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_8xx_OSCLK 10000000 /* 10 MHz - PLL input clock */
  38. #define CONFIG_SYS_8xx_CPUCLK_MIN 15000000 /* 15 MHz - CPU minimum clock */
  39. #define CONFIG_SYS_8xx_CPUCLK_MAX 133000000 /* 133 MHz - CPU maximum clock */
  40. #define CONFIG_8xx_CPUCLK_DEFAULT 66000000 /* 66 MHz - CPU default clock */
  41. /* (it will be used if there is no */
  42. /* 'cpuclk' variable with valid value) */
  43. #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
  44. #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
  45. #define CONFIG_BOOTCOUNT_LIMIT
  46. #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
  47. #define CONFIG_BOARD_TYPES 1 /* support board types */
  48. #define CONFIG_PREBOOT "echo;" \
  49. "echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
  50. "echo"
  51. #undef CONFIG_BOOTARGS
  52. #define CONFIG_EXTRA_ENV_SETTINGS \
  53. "netdev=eth0\0" \
  54. "nfsargs=setenv bootargs root=/dev/nfs rw " \
  55. "nfsroot=${serverip}:${rootpath}\0" \
  56. "ramargs=setenv bootargs root=/dev/ram rw\0" \
  57. "addip=setenv bootargs ${bootargs} " \
  58. "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
  59. ":${hostname}:${netdev}:off panic=1\0" \
  60. "flash_nfs=run nfsargs addip;" \
  61. "bootm ${kernel_addr}\0" \
  62. "flash_self=run ramargs addip;" \
  63. "bootm ${kernel_addr} ${ramdisk_addr}\0" \
  64. "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
  65. "rootpath=/opt/eldk/ppc_8xx\0" \
  66. "bootfile=/tftpboot/TQM885D/uImage\0" \
  67. "fdt_addr=400C0000\0" \
  68. "kernel_addr=40100000\0" \
  69. "ramdisk_addr=40280000\0" \
  70. "load=tftp 200000 ${u-boot}\0" \
  71. "update=protect off 40000000 +${filesize};" \
  72. "erase 40000000 +${filesize};" \
  73. "cp.b 200000 40000000 ${filesize};" \
  74. "protect on 40000000 +${filesize}\0" \
  75. ""
  76. #define CONFIG_BOOTCOMMAND "run flash_self"
  77. #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
  78. #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
  79. #undef CONFIG_WATCHDOG /* watchdog disabled */
  80. #define CONFIG_STATUS_LED 1 /* Status LED enabled */
  81. #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
  82. /* enable I2C and select the hardware/software driver */
  83. #undef CONFIG_HARD_I2C /* I2C with hardware support */
  84. #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
  85. #define CONFIG_SYS_I2C_SPEED 93000 /* 93 kHz is supposed to work */
  86. #define CONFIG_SYS_I2C_SLAVE 0xFE
  87. #ifdef CONFIG_SOFT_I2C
  88. /*
  89. * Software (bit-bang) I2C driver configuration
  90. */
  91. #define PB_SCL 0x00000020 /* PB 26 */
  92. #define PB_SDA 0x00000010 /* PB 27 */
  93. #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
  94. #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
  95. #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
  96. #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
  97. #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
  98. else immr->im_cpm.cp_pbdat &= ~PB_SDA
  99. #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
  100. else immr->im_cpm.cp_pbdat &= ~PB_SCL
  101. #define I2C_DELAY udelay(2) /* 1/4 I2C clock duration */
  102. #endif /* CONFIG_SOFT_I2C */
  103. #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* EEPROM AT24C?? */
  104. #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 /* two byte address */
  105. #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4
  106. #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
  107. # define CONFIG_RTC_DS1337 1
  108. # define CONFIG_SYS_I2C_RTC_ADDR 0x68
  109. /*
  110. * BOOTP options
  111. */
  112. #define CONFIG_BOOTP_SUBNETMASK
  113. #define CONFIG_BOOTP_GATEWAY
  114. #define CONFIG_BOOTP_HOSTNAME
  115. #define CONFIG_BOOTP_BOOTPATH
  116. #define CONFIG_BOOTP_BOOTFILESIZE
  117. #define CONFIG_MAC_PARTITION
  118. #define CONFIG_DOS_PARTITION
  119. #undef CONFIG_RTC_MPC8xx /* MPC885 does not support RTC */
  120. #define CONFIG_TIMESTAMP /* but print image timestmps */
  121. /*
  122. * Command line configuration.
  123. */
  124. #include <config_cmd_default.h>
  125. #define CONFIG_CMD_ASKENV
  126. #define CONFIG_CMD_DATE
  127. #define CONFIG_CMD_DHCP
  128. #define CONFIG_CMD_EEPROM
  129. #define CONFIG_CMD_EXT2
  130. #define CONFIG_CMD_I2C
  131. #define CONFIG_CMD_IDE
  132. #define CONFIG_CMD_MII
  133. #define CONFIG_CMD_NFS
  134. #define CONFIG_CMD_PING
  135. /*
  136. * Miscellaneous configurable options
  137. */
  138. #define CONFIG_SYS_LONGHELP /* undef to save memory */
  139. #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
  140. #define CONFIG_CMDLINE_EDITING 1 /* add command line history */
  141. #define CONFIG_SYS_HUSH_PARSER 1 /* Use the HUSH parser */
  142. #ifdef CONFIG_SYS_HUSH_PARSER
  143. #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
  144. #endif
  145. #if defined(CONFIG_CMD_KGDB)
  146. #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
  147. #else
  148. #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
  149. #endif
  150. #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
  151. #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
  152. #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
  153. #define CONFIG_SYS_MEMTEST_START 0x0100000 /* memtest works on */
  154. #define CONFIG_SYS_MEMTEST_END 0x0300000 /* 1 ... 3 MB in DRAM */
  155. #define CONFIG_SYS_ALT_MEMTEST /* alternate, more extensive
  156. memory test.*/
  157. #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
  158. #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
  159. #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
  160. /*
  161. * Enable loopw command.
  162. */
  163. #define CONFIG_LOOPW
  164. /*
  165. * Low Level Configuration Settings
  166. * (address mappings, register initial values, etc.)
  167. * You should know what you are doing if you make changes here.
  168. */
  169. /*-----------------------------------------------------------------------
  170. * Internal Memory Mapped Register
  171. */
  172. #define CONFIG_SYS_IMMR 0xFFF00000
  173. /*-----------------------------------------------------------------------
  174. * Definitions for initial stack pointer and data area (in DPRAM)
  175. */
  176. #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
  177. #define CONFIG_SYS_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
  178. #define CONFIG_SYS_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
  179. #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
  180. #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
  181. /*-----------------------------------------------------------------------
  182. * Start addresses for the final memory configuration
  183. * (Set up by the startup code)
  184. * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
  185. */
  186. #define CONFIG_SYS_SDRAM_BASE 0x00000000
  187. #define CONFIG_SYS_FLASH_BASE 0x40000000
  188. #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
  189. #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
  190. #define CONFIG_SYS_MALLOC_LEN (256 << 10) /* Reserve 128 kB for malloc() */
  191. /*
  192. * For booting Linux, the board info and command line data
  193. * have to be in the first 8 MB of memory, since this is
  194. * the maximum mapped by the Linux kernel during initialization.
  195. */
  196. #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
  197. /*-----------------------------------------------------------------------
  198. * FLASH organization
  199. */
  200. /* use CFI flash driver */
  201. #define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */
  202. #define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
  203. #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE }
  204. #define CONFIG_SYS_FLASH_EMPTY_INFO
  205. #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
  206. #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
  207. #define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
  208. #define CONFIG_ENV_IS_IN_FLASH 1
  209. #define CONFIG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */
  210. #define CONFIG_ENV_SIZE 0x08000 /* Total Size of Environment */
  211. #define CONFIG_ENV_SECT_SIZE 0x40000 /* Total Size of Environment Sector */
  212. /* Address and size of Redundant Environment Sector */
  213. #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SECT_SIZE)
  214. #define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
  215. /*-----------------------------------------------------------------------
  216. * Hardware Information Block
  217. */
  218. #define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
  219. #define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
  220. #define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
  221. /*-----------------------------------------------------------------------
  222. * Cache Configuration
  223. */
  224. #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
  225. #if defined(CONFIG_CMD_KGDB)
  226. #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
  227. #endif
  228. /*-----------------------------------------------------------------------
  229. * SYPCR - System Protection Control 11-9
  230. * SYPCR can only be written once after reset!
  231. *-----------------------------------------------------------------------
  232. * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
  233. */
  234. #if defined(CONFIG_WATCHDOG)
  235. #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
  236. SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
  237. #else
  238. #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
  239. #endif
  240. /*-----------------------------------------------------------------------
  241. * SIUMCR - SIU Module Configuration 11-6
  242. *-----------------------------------------------------------------------
  243. * PCMCIA config., multi-function pin tri-state
  244. */
  245. #ifndef CONFIG_CAN_DRIVER
  246. #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
  247. #else /* we must activate GPL5 in the SIUMCR for CAN */
  248. #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
  249. #endif /* CONFIG_CAN_DRIVER */
  250. /*-----------------------------------------------------------------------
  251. * TBSCR - Time Base Status and Control 11-26
  252. *-----------------------------------------------------------------------
  253. * Clear Reference Interrupt Status, Timebase freezing enabled
  254. */
  255. #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
  256. /*-----------------------------------------------------------------------
  257. * PISCR - Periodic Interrupt Status and Control 11-31
  258. *-----------------------------------------------------------------------
  259. * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
  260. */
  261. #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
  262. /*-----------------------------------------------------------------------
  263. * SCCR - System Clock and reset Control Register 15-27
  264. *-----------------------------------------------------------------------
  265. * Set clock output, timebase and RTC source and divider,
  266. * power management and some other internal clocks
  267. */
  268. #define SCCR_MASK SCCR_EBDF11
  269. #define CONFIG_SYS_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
  270. SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
  271. SCCR_DFALCD00)
  272. /*-----------------------------------------------------------------------
  273. * PCMCIA stuff
  274. *-----------------------------------------------------------------------
  275. *
  276. */
  277. #define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
  278. #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
  279. #define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
  280. #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
  281. #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
  282. #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
  283. #define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
  284. #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
  285. /*-----------------------------------------------------------------------
  286. * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
  287. *-----------------------------------------------------------------------
  288. */
  289. #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
  290. #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
  291. #undef CONFIG_IDE_LED /* LED for ide not supported */
  292. #undef CONFIG_IDE_RESET /* reset for ide not supported */
  293. #define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
  294. #define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
  295. #define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
  296. #define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
  297. /* Offset for data I/O */
  298. #define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
  299. /* Offset for normal register accesses */
  300. #define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
  301. /* Offset for alternate registers */
  302. #define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
  303. /*-----------------------------------------------------------------------
  304. *
  305. *-----------------------------------------------------------------------
  306. *
  307. */
  308. #define CONFIG_SYS_DER 0
  309. /*
  310. * Init Memory Controller:
  311. *
  312. * BR0/1 and OR0/1 (FLASH)
  313. */
  314. #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
  315. #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
  316. /* used to re-map FLASH both when starting from SRAM or FLASH:
  317. * restrict access enough to keep SRAM working (if any)
  318. * but not too much to meddle with FLASH accesses
  319. */
  320. #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
  321. #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
  322. /*
  323. * FLASH timing: Default value of OR0 after reset
  324. */
  325. #define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_MSK | OR_BI | \
  326. OR_SCY_6_CLK | OR_TRLX)
  327. #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
  328. #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
  329. #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
  330. #define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
  331. #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
  332. #define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
  333. /*
  334. * BR2/3 and OR2/3 (SDRAM)
  335. *
  336. */
  337. #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
  338. #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
  339. #define SDRAM_MAX_SIZE (256 << 20) /* max 256 MB per bank */
  340. /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
  341. #define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
  342. #define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
  343. #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
  344. #ifndef CONFIG_CAN_DRIVER
  345. #define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM
  346. #define CONFIG_SYS_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
  347. #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
  348. #define CONFIG_SYS_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
  349. #define CONFIG_SYS_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
  350. #define CONFIG_SYS_OR3_CAN (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
  351. #define CONFIG_SYS_BR3_CAN ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
  352. BR_PS_8 | BR_MS_UPMB | BR_V )
  353. #endif /* CONFIG_CAN_DRIVER */
  354. /*
  355. * 4096 Rows from SDRAM example configuration
  356. * 1000 factor s -> ms
  357. * 64 PTP (pre-divider from MPTPR) from SDRAM example configuration
  358. * 4 Number of refresh cycles per period
  359. * 64 Refresh cycle in ms per number of rows
  360. */
  361. #define CONFIG_SYS_PTA_PER_CLK ((4096 * 64 * 1000) / (4 * 64))
  362. /*
  363. * Periodic timer (MAMR[PTx]) for 4 * 7.8 us refresh (= 31.2 us per quad)
  364. *
  365. * CPUclock(MHz) * 31.2
  366. * CONFIG_SYS_MAMR_PTA = ----------------------------------- with DFBRG = 0
  367. * 2^(2*SCCR[DFBRG]) * MPTPR_PTP_DIV16
  368. *
  369. * CPU clock = 15 MHz: CONFIG_SYS_MAMR_PTA = 29 -> 4 * 7.73 us
  370. * CPU clock = 50 MHz: CONFIG_SYS_MAMR_PTA = 97 -> 4 * 7.76 us
  371. * CPU clock = 66 MHz: CONFIG_SYS_MAMR_PTA = 128 -> 4 * 7.75 us
  372. * CPU clock = 133 MHz: CONFIG_SYS_MAMR_PTA = 255 -> 4 * 7.67 us
  373. *
  374. * Value 97 is for 4 * 7.8 us at 50 MHz. So the refresh cycle requirement will
  375. * be met also in the default configuration, i.e. if environment variable
  376. * 'cpuclk' is not set.
  377. */
  378. #define CONFIG_SYS_MAMR_PTA 128
  379. /*
  380. * Memory Periodic Timer Prescaler Register (MPTPR) values.
  381. */
  382. /* 4 * 7.8 us refresh (= 31.2 us per quad) at 50 MHz and PTA = 97 */
  383. #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16
  384. /* 4 * 3.9 us refresh (= 15.6 us per quad) at 50 MHz and PTA = 97 */
  385. #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8
  386. /*
  387. * MAMR settings for SDRAM
  388. */
  389. /* 8 column SDRAM */
  390. #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
  391. MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
  392. MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
  393. /* 9 column SDRAM */
  394. #define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
  395. MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
  396. MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
  397. /* 10 column SDRAM */
  398. #define CONFIG_SYS_MAMR_10COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
  399. MAMR_AMA_TYPE_2 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A9 | \
  400. MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
  401. /*
  402. * Internal Definitions
  403. *
  404. * Boot Flags
  405. */
  406. #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
  407. #define BOOTFLAG_WARM 0x02 /* Software reboot */
  408. /*
  409. * Network configuration
  410. */
  411. #define CONFIG_SCC2_ENET /* enable ethernet on SCC2 */
  412. #define CONFIG_FEC_ENET /* enable ethernet on FEC */
  413. #define CONFIG_ETHER_ON_FEC1 /* ... for FEC1 */
  414. #define CONFIG_ETHER_ON_FEC2 /* ... for FEC2 */
  415. #if defined(CONFIG_CMD_MII)
  416. #define CONFIG_SYS_DISCOVER_PHY
  417. #define CONFIG_MII_INIT 1
  418. #endif
  419. #define CONFIG_NET_RETRY_COUNT 1 /* reduce max. timeout before
  420. switching to another netwok (if the
  421. tried network is unreachable) */
  422. #define CONFIG_ETHPRIME "SCC ETHERNET"
  423. #endif /* __CONFIG_H */