TQM5200.h 15 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514
  1. /*
  2. * (C) Copyright 2003-2004
  3. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  4. *
  5. * (C) Copyright 2004
  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. #ifndef __CONFIG_H
  27. #define __CONFIG_H
  28. /*
  29. * High Level Configuration Options
  30. * (easy to change)
  31. */
  32. #define CONFIG_MPC5xxx 1 /* This is an MPC5xxx CPU */
  33. #define CONFIG_MPC5200 1 /* (more precisely an MPC5200 CPU) */
  34. #define CONFIG_TQM5200 1 /* ... on TQM5200 module */
  35. #define CONFIG_STK52XX 1 /* ... on a STK52XX base board */
  36. #define CFG_MPC5XXX_CLKIN 33000000 /* ... running at 33.000000MHz */
  37. #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
  38. #define BOOTFLAG_WARM 0x02 /* Software reboot */
  39. #define CFG_CACHELINE_SIZE 32 /* For MPC5xxx CPUs */
  40. #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
  41. # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
  42. #endif
  43. /*
  44. * Serial console configuration
  45. */
  46. #define CONFIG_PSC_CONSOLE 1 /* console is on PSC1 */
  47. #define CONFIG_BAUDRATE 115200 /* ... at 115200 bps */
  48. #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 }
  49. #ifdef CONFIG_STK52XX
  50. #define CONFIG_PS2KBD /* AT-PS/2 Keyboard */
  51. #define CONFIG_PS2MULT /* .. on PS/2 Multiplexer */
  52. #define CONFIG_PS2SERIAL 6 /* .. on PSC6 */
  53. #define CONFIG_PS2MULT_DELAY (CFG_HZ/2) /* Initial delay */
  54. #define CONFIG_BOARD_EARLY_INIT_R
  55. #endif /* CONFIG_STK52XX */
  56. #ifdef CONFIG_MPC5200 /* MPC5100 PCI is not supported yet. */
  57. /*
  58. * PCI Mapping:
  59. * 0x40000000 - 0x4fffffff - PCI Memory
  60. * 0x50000000 - 0x50ffffff - PCI IO Space
  61. */
  62. #ifdef CONFIG_STK52XX
  63. #define CONFIG_PCI 1
  64. #elif
  65. #define CONFIG_PCI 0
  66. #endif
  67. #define CONFIG_PCI_PNP 1
  68. /* #define CONFIG_PCI_SCAN_SHOW 1 */
  69. #define CONFIG_PCI_MEM_BUS 0x40000000
  70. #define CONFIG_PCI_MEM_PHYS CONFIG_PCI_MEM_BUS
  71. #define CONFIG_PCI_MEM_SIZE 0x10000000
  72. #define CONFIG_PCI_IO_BUS 0x50000000
  73. #define CONFIG_PCI_IO_PHYS CONFIG_PCI_IO_BUS
  74. #define CONFIG_PCI_IO_SIZE 0x01000000
  75. #define CONFIG_NET_MULTI 1
  76. #define CONFIG_EEPRO100 1
  77. #define CFG_RX_ETH_BUFFER 8 /* use 8 rx buffer on eepro100 */
  78. #define CONFIG_NS8382X 1
  79. #ifdef CONFIG_STK52XX
  80. #define ADD_PCI_CMD CFG_CMD_PCI
  81. #elif
  82. #define ADD_PCI_CMD 0
  83. #endif
  84. #else /* MPC5100 */
  85. #define ADD_PCI_CMD 0 /* no CFG_CMD_PCI */
  86. #endif
  87. /* Partitions */
  88. #define CONFIG_MAC_PARTITION
  89. #define CONFIG_DOS_PARTITION
  90. /* USB */
  91. #ifdef CONFIG_STK52XX
  92. #define CONFIG_USB_OHCI
  93. #define ADD_USB_CMD CFG_CMD_USB | CFG_CMD_FAT
  94. #define CONFIG_USB_STORAGE
  95. #else
  96. #define ADD_USB_CMD 0
  97. #endif
  98. /* POST support */
  99. #define CONFIG_POST (CFG_POST_MEMORY | \
  100. CFG_POST_CPU | \
  101. CFG_POST_I2C)
  102. #ifdef CONFIG_POST
  103. #define CFG_CMD_POST_DIAG CFG_CMD_DIAG
  104. /* preserve space for the post_word at end of on-chip SRAM */
  105. #define MPC5XXX_SRAM_POST_SIZE MPC5XXX_SRAM_SIZE-4
  106. #else
  107. #define CFG_CMD_POST_DIAG 0
  108. #endif
  109. /* IDE */
  110. #if defined (CONFIG_MINIFAP) || defined (CONFIG_STK52XX)
  111. #define ADD_IDE_CMD (CFG_CMD_IDE | CFG_CMD_FAT | CFG_CMD_EXT2)
  112. #else
  113. #define ADD_IDE_CMD 0
  114. #endif
  115. /*
  116. * Supported commands
  117. */
  118. #define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
  119. ADD_IDE_CMD | \
  120. ADD_PCI_CMD | \
  121. ADD_USB_CMD | \
  122. CFG_CMD_ASKENV | \
  123. CFG_CMD_DATE | \
  124. CFG_CMD_DHCP | \
  125. CFG_CMD_ECHO | \
  126. CFG_CMD_EEPROM | \
  127. CFG_CMD_I2C | \
  128. CFG_CMD_MII | \
  129. CFG_CMD_PING | \
  130. CFG_CMD_POST_DIAG | \
  131. CFG_CMD_REGINFO )
  132. /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
  133. #include <cmd_confdefs.h>
  134. #define CONFIG_TIMESTAMP /* display image timestamps */
  135. #if (TEXT_BASE == 0xFC000000) /* Boot low */
  136. # define CFG_LOWBOOT 1
  137. #endif
  138. /*
  139. * Autobooting
  140. */
  141. #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
  142. #define CONFIG_PREBOOT "echo;" \
  143. "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
  144. "echo"
  145. #undef CONFIG_BOOTARGS
  146. #if defined (CONFIG_TQM5200_AA)
  147. # define CONFIG_U_BOOT_SUFFIX "-AA"
  148. #elif defined (CONFIG_TQM5200_AB)
  149. # define CONFIG_U_BOOT_SUFFIX "-AB"
  150. #elif defined (CONFIG_TQM5200_AC)
  151. # define CONFIG_U_BOOT_SUFFIX "-AC"
  152. #else
  153. # define CONFIG_U_BOOT_SUFFIX /* nothing */
  154. #endif
  155. #define CONFIG_EXTRA_ENV_SETTINGS \
  156. "netdev=eth0\0" \
  157. "rootpath=/opt/eldk/ppc_6xx\0" \
  158. "ramargs=setenv bootargs root=/dev/ram rw\0" \
  159. "nfsargs=setenv bootargs root=/dev/nfs rw " \
  160. "nfsroot=$(serverip):$(rootpath)\0" \
  161. "addip=setenv bootargs $(bootargs) " \
  162. "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)" \
  163. ":$(hostname):$(netdev):off panic=1\0" \
  164. "flash_self=run ramargs addip;" \
  165. "bootm $(kernel_addr) $(ramdisk_addr)\0" \
  166. "flash_nfs=run nfsargs addip;" \
  167. "bootm $(kernel_addr)\0" \
  168. "net_nfs=tftp 200000 $(bootfile);run nfsargs addip;bootm\0" \
  169. "bootfile=/tftpboot/tqm5200/uImage\0" \
  170. "load=tftp 200000 $(u-boot)\0" \
  171. "u-boot=/tftpboot/tqm5200/u-boot.bin" CONFIG_U_BOOT_SUFFIX \
  172. "update=protect off FC000000 FC05FFFF;" \
  173. "erase FC000000 FC05FFFF;" \
  174. "cp.b 200000 FC000000 $(filesize);" \
  175. "protect on FC000000 FC05FFFF\0"a \
  176. ""
  177. #define CONFIG_BOOTCOMMAND "run net_nfs"
  178. /*
  179. * IPB Bus clocking configuration.
  180. */
  181. #define CFG_IPBSPEED_133 /* define for 133MHz speed */
  182. #if defined(CFG_IPBSPEED_133)
  183. /*
  184. * PCI Bus clocking configuration
  185. *
  186. * Actually a PCI Clock of 66 MHz is only set (in cpu_init.c) if
  187. * CFG_IPBSPEED_133 is defined. This is because a PCI Clock of 66 MHz yet hasn't
  188. * been tested with a IPB Bus Clock of 66 MHz.
  189. */
  190. #define CFG_PCISPEED_66 /* define for 66MHz speed */
  191. #endif
  192. /*
  193. * I2C configuration
  194. */
  195. #define CONFIG_HARD_I2C 1 /* I2C with hardware support */
  196. #if defined (CONFIG_MINIFAP)
  197. #define CFG_I2C_MODULE 2 /* Select I2C module #1 or #2 */
  198. #else
  199. #define CFG_I2C_MODULE 1 /* Select I2C module #1 or #2 */
  200. #endif
  201. /*
  202. * I2C clock frequency
  203. *
  204. * Please notice, that the resulting clock frequency could differ from the
  205. * configured value. This is because the I2C clock is derived from system
  206. * clock over a frequency divider with only a few divider values. U-boot
  207. * calculates the best approximation for CFG_I2C_SPEED. However the calculated
  208. * approximation allways lies below the configured value, never above.
  209. */
  210. #define CFG_I2C_SPEED 100000 /* 100 kHz */
  211. #define CFG_I2C_SLAVE 0x7F
  212. /*
  213. * EEPROM configuration for onboard EEPROM M24C32 (M24C64 should work
  214. * also). For other EEPROMs configuration should be verified. On Mini-FAP the
  215. * EEPROM (24C64) is on the same I2C address (but on other I2C bus), so the
  216. * same configuration could be used.
  217. */
  218. #define CFG_I2C_EEPROM_ADDR 0x50 /* 1010000x */
  219. #define CFG_I2C_EEPROM_ADDR_LEN 2
  220. #define CFG_EEPROM_PAGE_WRITE_BITS 5 /* =32 Bytes per write */
  221. #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 20
  222. /*
  223. * HW-Monitor configuration on Mini-FAP
  224. */
  225. #if defined (CONFIG_MINIFAP)
  226. #define CFG_I2C_HWMON_ADDR 0x2C
  227. #endif
  228. /* List of I2C addresses to be verified by POST */
  229. #if defined (CONFIG_TQM5200_AA) || defined (CONFIG_TQM5200_AB)
  230. #define I2C_ADDR_LIST { CFG_I2C_EEPROM_ADDR, \
  231. CFG_I2C_SLAVE }
  232. #elif defined (CONFIG_TQM5200_AC)
  233. #define I2C_ADDR_LIST { CFG_I2C_SLAVE }
  234. #endif
  235. #if defined (CONFIG_MINIFAP)
  236. #undef I2C_ADDR_LIST
  237. #define I2C_ADDR_LIST { CFG_I2C_EEPROM_ADDR, \
  238. CFG_I2C_HWMON_ADDR, \
  239. CFG_I2C_SLAVE }
  240. #endif
  241. /*
  242. * Flash configuration
  243. */
  244. #define CFG_FLASH_BASE TEXT_BASE /* 0xFC000000 */
  245. /* use CFI flash driver if no module variant is spezified */
  246. #define CFG_FLASH_CFI 1 /* Flash is CFI conformant */
  247. #define CFG_FLASH_CFI_DRIVER 1 /* Use the common driver */
  248. #define CFG_FLASH_BANKS_LIST { CFG_BOOTCS_START }
  249. #define CFG_FLASH_EMPTY_INFO
  250. #define CFG_FLASH_SIZE 0x02000000 /* 32 MByte */
  251. #define CFG_MAX_FLASH_SECT 256 /* max num of sects on one chip */
  252. #if !defined(CFG_LOWBOOT)
  253. #define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x00760000 + 0x00800000)
  254. #else /* CFG_LOWBOOT */
  255. #define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x00060000)
  256. #endif /* CFG_LOWBOOT */
  257. #define CFG_MAX_FLASH_BANKS 1 /* max num of flash banks
  258. (= chip selects) */
  259. #define CFG_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
  260. #define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
  261. /*
  262. * Environment settings
  263. */
  264. #define CFG_ENV_IS_IN_FLASH 1
  265. #define CFG_ENV_SIZE 0x10000
  266. #define CFG_ENV_SECT_SIZE 0x20000
  267. #define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR + CFG_ENV_SECT_SIZE)
  268. #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
  269. /*
  270. * Memory map
  271. */
  272. #define CFG_MBAR 0xF0000000
  273. #define CFG_SDRAM_BASE 0x00000000
  274. #define CFG_DEFAULT_MBAR 0x80000000
  275. /* Use ON-Chip SRAM until RAM will be available */
  276. #define CFG_INIT_RAM_ADDR MPC5XXX_SRAM
  277. #ifdef CONFIG_POST
  278. /* preserve space for the post_word at end of on-chip SRAM */
  279. #define CFG_INIT_RAM_END MPC5XXX_SRAM_POST_SIZE
  280. #else
  281. #define CFG_INIT_RAM_END MPC5XXX_SRAM_SIZE
  282. #endif
  283. #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
  284. #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
  285. #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
  286. #define CFG_MONITOR_BASE TEXT_BASE
  287. #if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
  288. # define CFG_RAMBOOT 1
  289. #endif
  290. #define CFG_MONITOR_LEN (384 << 10) /* Reserve 384 kB for Monitor */
  291. #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
  292. #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
  293. /*
  294. * Ethernet configuration
  295. */
  296. #define CONFIG_MPC5xxx_FEC 1
  297. /*
  298. * Define CONFIG_FEC_10MBIT to force FEC at 10Mb
  299. */
  300. /* #define CONFIG_FEC_10MBIT 1 */
  301. #define CONFIG_PHY_ADDR 0x00
  302. /*
  303. * GPIO configuration
  304. *
  305. * use pin gpio_wkup_6 as second SDRAM chip select (mem_cs1):
  306. * Bit 0 (mask: 0x80000000): 1
  307. * use ALT CAN position: Bits 2-3 (mask: 0x30000000):
  308. * 00 -> No Alternatives, I2C1 is used for onboard EEPROM
  309. * 01 -> CAN1 on I2C1, CAN2 on Tmr0/1 do not use on TQM5200 with onboard
  310. * EEPROM
  311. * use PSC1 as UART: Bits 28-31 (mask: 0x00000007): 0100
  312. * use PSC6:
  313. * on STK52xx:
  314. * use as UART. Pins PSC6_0 to PSC6_3 are used.
  315. Bits 9:11 (mask: 0x00700000):
  316. * 101 -> PSC6 : Extended POST test is not available
  317. * on MINI-FAP and TQM5200_IB:
  318. * use PSC6_1 and PSC6_3 as GPIO: Bits 9:11 (mask: 0x00700000):
  319. * 011 -> PSC6 could not be used as UART or CODEC. IrDA still possible.
  320. * GPIO on PSC6_3 is used in post_hotkeys_pressed() to enable extended POST
  321. * tests.
  322. */
  323. #if defined (CONFIG_MINIFAP)
  324. #define CFG_GPS_PORT_CONFIG 0x91300004
  325. #elif defined (CONFIG_STK52XX)
  326. #define CFG_GPS_PORT_CONFIG 0x81500004
  327. #else
  328. #define CFG_GPS_PORT_CONFIG 0x81300004
  329. #endif
  330. /*
  331. * RTC configuration
  332. */
  333. #define CONFIG_RTC_MPC5200 1 /* use internal MPC5200 RTC */
  334. /*
  335. * Miscellaneous configurable options
  336. */
  337. #define CFG_LONGHELP /* undef to save memory */
  338. #define CFG_PROMPT "=> " /* Monitor Command Prompt */
  339. #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
  340. #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
  341. #else
  342. #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
  343. #endif
  344. #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
  345. #define CFG_MAXARGS 16 /* max number of command args */
  346. #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
  347. /* Enable an alternate, more extensive memory test */
  348. #define CFG_ALT_MEMTEST
  349. #define CFG_MEMTEST_START 0x00100000 /* memtest works on */
  350. #define CFG_MEMTEST_END 0x00f00000 /* 1 ... 15 MB in DRAM */
  351. #define CFG_LOAD_ADDR 0x100000 /* default load address */
  352. #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
  353. /*
  354. * Enable loopw commando. This has only affect, if CFG_CMD_MEM is defined,
  355. * which is normally part of the default commands (CFV_CMD_DFL)
  356. */
  357. #define CONFIG_LOOPW
  358. /*
  359. * Various low-level settings
  360. */
  361. #if defined(CONFIG_MPC5200)
  362. #define CFG_HID0_INIT HID0_ICE | HID0_ICFI
  363. #define CFG_HID0_FINAL HID0_ICE
  364. #else
  365. #define CFG_HID0_INIT 0
  366. #define CFG_HID0_FINAL 0
  367. #endif
  368. #define CFG_BOOTCS_START CFG_FLASH_BASE
  369. #define CFG_BOOTCS_SIZE CFG_FLASH_SIZE
  370. #ifdef CFG_PCISPEED_66
  371. #define CFG_BOOTCS_CFG 0x0008DF30 /* for pci_clk = 66 MHz */
  372. #else
  373. #define CFG_BOOTCS_CFG 0x0004DF30 /* for pci_clk = 33 MHz */
  374. #endif
  375. #define CFG_CS0_START CFG_FLASH_BASE
  376. #define CFG_CS0_SIZE CFG_FLASH_SIZE
  377. /* automatic configuration of chip selects */
  378. #ifdef CONFIG_CS_AUTOCONF
  379. #define CONFIG_LAST_STAGE_INIT
  380. #endif
  381. /*
  382. * SRAM - Do not map below 2 GB in address space, because this area is used
  383. * for SDRAM autosizing.
  384. */
  385. #if defined CONFIG_TQM5200_AB || defined (CONFIG_CS_AUTOCONF)
  386. #define CFG_CS2_START 0xE5000000
  387. #ifdef CONFIG_TQM5200_AB
  388. #define CFG_CS2_SIZE 0x80000 /* 512 kByte */
  389. #else /* CONFIG_CS_AUTOCONF */
  390. #define CFG_CS2_SIZE 0x100000 /* 1 MByte */
  391. #endif
  392. #define CFG_CS2_CFG 0x0004D930
  393. #endif
  394. /*
  395. * Grafic controller - Do not map below 2 GB in address space, because this
  396. * area is used for SDRAM autosizing.
  397. */
  398. #if defined (CONFIG_TQM5200_AB) || defined (CONFIG_TQM5200_AC) || \
  399. defined (CONFIG_CS_AUTOCONF)
  400. #define CFG_CS1_START 0xE0000000
  401. #define CFG_CS1_SIZE 0x4000000 /* 64 MByte */
  402. #define CFG_CS1_CFG 0x8F48FF70
  403. #define SM501_MMIO_BASE CFG_CS1_START + 0x03E00000
  404. #endif
  405. #define CFG_CS_BURST 0x00000000
  406. #define CFG_CS_DEADCYCLE 0x33333333
  407. #define CFG_RESET_ADDRESS 0xff000000
  408. /*-----------------------------------------------------------------------
  409. * USB stuff
  410. *-----------------------------------------------------------------------
  411. */
  412. #define CONFIG_USB_CLOCK 0x0001BBBB
  413. #define CONFIG_USB_CONFIG 0x00001000
  414. /*-----------------------------------------------------------------------
  415. * IDE/ATA stuff Supports IDE harddisk
  416. *-----------------------------------------------------------------------
  417. */
  418. #undef CONFIG_IDE_8xx_PCCARD /* Use IDE with PC Card Adapter */
  419. #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
  420. #undef CONFIG_IDE_LED /* LED for ide not supported */
  421. #define CONFIG_IDE_RESET /* reset for ide supported */
  422. #define CONFIG_IDE_PREINIT
  423. #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
  424. #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
  425. #define CFG_ATA_IDE0_OFFSET 0x0000
  426. #define CFG_ATA_BASE_ADDR MPC5XXX_ATA
  427. /* Offset for data I/O */
  428. #define CFG_ATA_DATA_OFFSET (0x0060)
  429. /* Offset for normal register accesses */
  430. #define CFG_ATA_REG_OFFSET (CFG_ATA_DATA_OFFSET)
  431. /* Offset for alternate registers */
  432. #define CFG_ATA_ALT_OFFSET (0x005C)
  433. /* Interval between registers */
  434. #define CFG_ATA_STRIDE 4
  435. #endif /* __CONFIG_H */