stxxtc.h 18 KB

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  1. /*
  2. * (C) Copyright 2000-2004
  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. * Dan Malek, Embedded Edge, LLC, dan@embeddededge.com
  25. * U-Boot port on STx XTc 8xx board
  26. * Mostly copied from Panto's NETTA2 board.
  27. */
  28. #ifndef __CONFIG_H
  29. #define __CONFIG_H
  30. /*
  31. * High Level Configuration Options
  32. * (easy to change)
  33. */
  34. #define CONFIG_MPC875 1 /* This is a MPC875 CPU */
  35. #define CONFIG_STXXTC 1 /* ...on a STx XTc board */
  36. #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
  37. #undef CONFIG_8xx_CONS_SMC2
  38. #undef CONFIG_8xx_CONS_NONE
  39. #define CONFIG_BAUDRATE 115200 /* console baudrate = 115.2kbps */
  40. #define CONFIG_XIN 10000000 /* 10 MHz input xtal */
  41. /* Select one of few clock rates defined later in this file.
  42. */
  43. /* #define MPC8XX_HZ 50000000 */
  44. #define MPC8XX_HZ 66666666
  45. #define CONFIG_8xx_GCLK_FREQ MPC8XX_HZ
  46. #if 0
  47. #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
  48. #else
  49. #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
  50. #endif
  51. #undef CONFIG_CLOCKS_IN_MHZ /* clocks NOT passsed to Linux in MHz */
  52. #undef CONFIG_BOOTARGS
  53. #define CONFIG_BOOTCOMMAND \
  54. "tftpboot; " \
  55. "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
  56. "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
  57. "bootm"
  58. #define CONFIG_AUTOSCRIPT
  59. #define CONFIG_LOADS_ECHO 0 /* echo off for serial download */
  60. #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
  61. #undef CONFIG_WATCHDOG /* watchdog disabled */
  62. #define CONFIG_STATUS_LED 1 /* Status LED enabled */
  63. #define CONFIG_BOARD_SPECIFIC_LED /* version has board specific leds */
  64. /*
  65. * BOOTP options
  66. */
  67. #define CONFIG_BOOTP_SUBNETMASK
  68. #define CONFIG_BOOTP_GATEWAY
  69. #define CONFIG_BOOTP_HOSTNAME
  70. #define CONFIG_BOOTP_BOOTPATH
  71. #define CONFIG_BOOTP_BOOTFILESIZE
  72. #define CONFIG_BOOTP_NISDOMAIN
  73. #undef CONFIG_MAC_PARTITION
  74. #undef CONFIG_DOS_PARTITION
  75. #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
  76. #define CONFIG_NET_MULTI 1 /* the only way to get the FEC in */
  77. #define FEC_ENET 1 /* eth.c needs it that way... */
  78. #undef CFG_DISCOVER_PHY
  79. #define CONFIG_MII 1
  80. #undef CONFIG_RMII
  81. #define CONFIG_ETHER_ON_FEC1 1
  82. #define CONFIG_FEC1_PHY 1 /* phy address of FEC */
  83. #undef CONFIG_FEC1_PHY_NORXERR
  84. #define CONFIG_ETHER_ON_FEC2 1
  85. #define CONFIG_FEC2_PHY 3
  86. #undef CONFIG_FEC2_PHY_NORXERR
  87. #define CONFIG_ENV_OVERWRITE 1 /* allow modification of vendor params */
  88. /*
  89. * Command line configuration.
  90. */
  91. #include <config_cmd_default.h>
  92. #define CONFIG_CMD_DHCP
  93. #define CONFIG_CMD_MII
  94. #define CONFIG_CMD_NAND
  95. #define CONFIG_CMD_NFS
  96. #define CONFIG_CMD_PING
  97. #define CONFIG_BOARD_EARLY_INIT_F 1
  98. #define CONFIG_MISC_INIT_R
  99. /*
  100. * Miscellaneous configurable options
  101. */
  102. #define CFG_LONGHELP /* undef to save memory */
  103. #define CFG_PROMPT "xtc> " /* Monitor Command Prompt */
  104. #define CFG_HUSH_PARSER 1
  105. #define CFG_PROMPT_HUSH_PS2 "> "
  106. #if defined(CONFIG_CMD_KGDB)
  107. #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
  108. #else
  109. #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
  110. #endif
  111. #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
  112. #define CFG_MAXARGS 16 /* max number of command args */
  113. #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
  114. #define CFG_MEMTEST_START 0x0300000 /* memtest works on */
  115. #define CFG_MEMTEST_END 0x0700000 /* 3 ... 7 MB in DRAM */
  116. #define CFG_LOAD_ADDR 0x100000 /* default load address */
  117. #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
  118. #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
  119. /*
  120. * Low Level Configuration Settings
  121. * (address mappings, register initial values, etc.)
  122. * You should know what you are doing if you make changes here.
  123. */
  124. /*-----------------------------------------------------------------------
  125. * Internal Memory Mapped Register
  126. */
  127. #define CFG_IMMR 0xFF000000
  128. /*-----------------------------------------------------------------------
  129. * Definitions for initial stack pointer and data area (in DPRAM)
  130. */
  131. #define CFG_INIT_RAM_ADDR CFG_IMMR
  132. #define CFG_INIT_RAM_END 0x3000 /* End of used area in DPRAM */
  133. #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
  134. #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
  135. #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
  136. /*-----------------------------------------------------------------------
  137. * Start addresses for the final memory configuration
  138. * (Set up by the startup code)
  139. * Please note that CFG_SDRAM_BASE _must_ start at 0
  140. */
  141. #define CFG_SDRAM_BASE 0x00000000
  142. #define CFG_FLASH_BASE 0x40000000
  143. #if defined(DEBUG)
  144. #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
  145. #else
  146. #define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
  147. #endif
  148. /* yes this is weird, I know :) */
  149. #define CFG_MONITOR_BASE (CFG_FLASH_BASE | 0x00F00000)
  150. #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
  151. #define CFG_RESET_ADDRESS 0x80000000
  152. /*
  153. * For booting Linux, the board info and command line data
  154. * have to be in the first 8 MB of memory, since this is
  155. * the maximum mapped by the Linux kernel during initialization.
  156. */
  157. #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
  158. /*-----------------------------------------------------------------------
  159. * FLASH organization
  160. */
  161. #define CFG_ENV_IS_IN_FLASH 1
  162. #define CFG_ENV_SECT_SIZE 0x10000
  163. #define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x00000000)
  164. #define CFG_ENV_OFFSET 0
  165. #define CFG_ENV_SIZE 0x4000
  166. #define CFG_ENV_ADDR_REDUND (CFG_FLASH_BASE + 0x00010000)
  167. #define CFG_ENV_OFFSET_REDUND 0
  168. #define CFG_ENV_SIZE_REDUND CFG_ENV_SIZE
  169. #define CFG_FLASH_CFI 1
  170. #define CFG_FLASH_CFI_DRIVER 1
  171. #undef CFG_FLASH_USE_BUFFER_WRITE /* use buffered writes (20x faster) */
  172. #define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */
  173. #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
  174. #define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE, CFG_FLASH_BASE + 0x2000000 }
  175. #define CFG_FLASH_PROTECTION
  176. /*-----------------------------------------------------------------------
  177. * Cache Configuration
  178. */
  179. #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
  180. #if defined(CONFIG_CMD_KGDB)
  181. #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
  182. #endif
  183. /*-----------------------------------------------------------------------
  184. * SYPCR - System Protection Control 11-9
  185. * SYPCR can only be written once after reset!
  186. *-----------------------------------------------------------------------
  187. * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
  188. */
  189. #if defined(CONFIG_WATCHDOG)
  190. #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
  191. SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
  192. #else
  193. #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
  194. #endif
  195. /*-----------------------------------------------------------------------
  196. * SIUMCR - SIU Module Configuration 11-6
  197. *-----------------------------------------------------------------------
  198. * PCMCIA config., multi-function pin tri-state
  199. */
  200. #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01 | SIUMCR_FRC | SIUMCR_GB5E)
  201. /*-----------------------------------------------------------------------
  202. * TBSCR - Time Base Status and Control 11-26
  203. *-----------------------------------------------------------------------
  204. * Clear Reference Interrupt Status, Timebase freezing enabled
  205. */
  206. #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
  207. /*-----------------------------------------------------------------------
  208. * RTCSC - Real-Time Clock Status and Control Register 11-27
  209. *-----------------------------------------------------------------------
  210. */
  211. #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
  212. /*-----------------------------------------------------------------------
  213. * PISCR - Periodic Interrupt Status and Control 11-31
  214. *-----------------------------------------------------------------------
  215. * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
  216. */
  217. #define CFG_PISCR (PISCR_PS | PISCR_PITF)
  218. /*-----------------------------------------------------------------------
  219. * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
  220. *-----------------------------------------------------------------------
  221. * Reset PLL lock status sticky bit, timer expired status bit and timer
  222. * interrupt status bit
  223. *
  224. */
  225. #if CONFIG_XIN == 10000000
  226. #if MPC8XX_HZ == 50000000
  227. #define CFG_PLPRCR ((0 << PLPRCR_MFN_SHIFT) | (0 << PLPRCR_MFD_SHIFT) | \
  228. (1 << PLPRCR_S_SHIFT) | (10 << PLPRCR_MFI_SHIFT) | (0 << PLPRCR_PDF_SHIFT) | \
  229. PLPRCR_TEXPS)
  230. #elif MPC8XX_HZ == 66666666
  231. #define CFG_PLPRCR ((1 << PLPRCR_MFN_SHIFT) | (2 << PLPRCR_MFD_SHIFT) | \
  232. (1 << PLPRCR_S_SHIFT) | (13 << PLPRCR_MFI_SHIFT) | (0 << PLPRCR_PDF_SHIFT) | \
  233. PLPRCR_TEXPS)
  234. #else
  235. #error unsupported CPU freq for XIN = 10MHz
  236. #endif
  237. #else
  238. #error unsupported freq for XIN (must be 10MHz)
  239. #endif
  240. /*
  241. *-----------------------------------------------------------------------
  242. * SCCR - System Clock and reset Control Register 15-27
  243. *-----------------------------------------------------------------------
  244. * Set clock output, timebase and RTC source and divider,
  245. * power management and some other internal clocks
  246. *
  247. * Note: When TBS == 0 the timebase is independent of current cpu clock.
  248. */
  249. #define SCCR_MASK SCCR_EBDF11
  250. #if MPC8XX_HZ > 66666666
  251. #define CFG_SCCR (/* SCCR_TBS | */ SCCR_CRQEN | \
  252. SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
  253. SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
  254. SCCR_DFALCD00 | SCCR_EBDF01)
  255. #else
  256. #define CFG_SCCR (/* SCCR_TBS | */ SCCR_CRQEN | \
  257. SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
  258. SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
  259. SCCR_DFALCD00)
  260. #endif
  261. /*-----------------------------------------------------------------------
  262. *
  263. *-----------------------------------------------------------------------
  264. *
  265. */
  266. /*#define CFG_DER 0x2002000F*/
  267. #define CFG_DER 0
  268. /*
  269. * Init Memory Controller:
  270. *
  271. * BR0/1 and OR0/1 (FLASH)
  272. */
  273. #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
  274. #define FLASH_BASE1_PRELIM 0x42000000 /* FLASH bank #1 */
  275. /* used to re-map FLASH both when starting from SRAM or FLASH:
  276. * restrict access enough to keep SRAM working (if any)
  277. * but not too much to meddle with FLASH accesses
  278. */
  279. #define FLASH_BANK_MAX_SIZE 0x01000000 /* max size per chip */
  280. #define CFG_REMAP_OR_AM 0x80000000
  281. #define CFG_PRELIM_OR_AM (0xFFFFFFFFLU & ~(FLASH_BANK_MAX_SIZE - 1))
  282. /* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1 */
  283. #define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_BI | OR_SCY_5_CLK | OR_TRLX)
  284. #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
  285. #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
  286. #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V )
  287. #define CFG_OR1_PRELIM ((0xFFFFFFFFLU & ~(FLASH_BANK_MAX_SIZE - 1)) | CFG_OR_TIMING_FLASH)
  288. #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V )
  289. /*
  290. * BR4 and OR4 (SDRAM)
  291. *
  292. */
  293. #define SDRAM_BASE1_PRELIM 0x00000000 /* SDRAM bank #0 */
  294. #define SDRAM_MAX_SIZE (256 << 20) /* max 256MB per bank */
  295. /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
  296. #define CFG_OR_TIMING_SDRAM (OR_CSNT_SAM | OR_G5LS)
  297. #define CFG_OR4_PRELIM ((0xFFFFFFFFLU & ~(SDRAM_MAX_SIZE - 1)) | CFG_OR_TIMING_SDRAM)
  298. #define CFG_BR4_PRELIM ((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_PS_32 | BR_V)
  299. /*
  300. * Memory Periodic Timer Prescaler
  301. */
  302. /*
  303. * Memory Periodic Timer Prescaler
  304. *
  305. * The Divider for PTA (refresh timer) configuration is based on an
  306. * example SDRAM configuration (64 MBit, one bank). The adjustment to
  307. * the number of chip selects (NCS) and the actually needed refresh
  308. * rate is done by setting MPTPR.
  309. *
  310. * PTA is calculated from
  311. * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
  312. *
  313. * gclk CPU clock (not bus clock!)
  314. * Trefresh Refresh cycle * 4 (four word bursts used)
  315. *
  316. * 4096 Rows from SDRAM example configuration
  317. * 1000 factor s -> ms
  318. * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
  319. * 4 Number of refresh cycles per period
  320. * 64 Refresh cycle in ms per number of rows
  321. * --------------------------------------------
  322. * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
  323. *
  324. * 50 MHz => 50.000.000 / Divider = 98
  325. * 66 Mhz => 66.000.000 / Divider = 129
  326. * 80 Mhz => 80.000.000 / Divider = 156
  327. */
  328. #define CFG_MAMR_PTA 234
  329. /*
  330. * For 16 MBit, refresh rates could be 31.3 us
  331. * (= 64 ms / 2K = 125 / quad bursts).
  332. * For a simpler initialization, 15.6 us is used instead.
  333. *
  334. * #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
  335. * #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
  336. */
  337. #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
  338. #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
  339. /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
  340. #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
  341. #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
  342. /*
  343. * MAMR settings for SDRAM
  344. */
  345. /* 8 column SDRAM */
  346. #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
  347. MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
  348. MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
  349. /* 9 column SDRAM */
  350. #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
  351. MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
  352. MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
  353. /*
  354. * Internal Definitions
  355. *
  356. * Boot Flags
  357. */
  358. #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
  359. #define BOOTFLAG_WARM 0x02 /* Software reboot */
  360. #define CONFIG_LAST_STAGE_INIT /* needed to reset the damn phys */
  361. /****************************************************************/
  362. #define NAND_SIZE 0x00010000 /* 64K */
  363. #define NAND_BASE 0xF1000000
  364. /****************************************************************/
  365. /* NAND */
  366. #define CFG_NAND_LEGACY
  367. #define CFG_NAND_BASE NAND_BASE
  368. #define CONFIG_MTD_NAND_ECC_JFFS2
  369. #define CONFIG_MTD_NAND_VERIFY_WRITE
  370. #define CONFIG_MTD_NAND_UNSAFE
  371. #define CFG_MAX_NAND_DEVICE 1
  372. #undef NAND_NO_RB
  373. #define SECTORSIZE 512
  374. #define ADDR_COLUMN 1
  375. #define ADDR_PAGE 2
  376. #define ADDR_COLUMN_PAGE 3
  377. #define NAND_ChipID_UNKNOWN 0x00
  378. #define NAND_MAX_FLOORS 1
  379. #define NAND_MAX_CHIPS 1
  380. /* ALE = PC15, CLE = PB23, CE = PA7, F_RY_BY = PA6 */
  381. #define NAND_DISABLE_CE(nand) \
  382. do { \
  383. (((volatile immap_t *)CFG_IMMR)->im_ioport.iop_padat) |= (1 << (15 - 7)); \
  384. } while(0)
  385. #define NAND_ENABLE_CE(nand) \
  386. do { \
  387. (((volatile immap_t *)CFG_IMMR)->im_ioport.iop_padat) &= ~(1 << (15 - 7)); \
  388. } while(0)
  389. #define NAND_CTL_CLRALE(nandptr) \
  390. do { \
  391. (((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pcdat) &= ~(1 << (15 - 15)); \
  392. } while(0)
  393. #define NAND_CTL_SETALE(nandptr) \
  394. do { \
  395. (((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pcdat) |= (1 << (15 - 15)); \
  396. } while(0)
  397. #define NAND_CTL_CLRCLE(nandptr) \
  398. do { \
  399. (((volatile immap_t *)CFG_IMMR)->im_cpm.cp_pbdat) &= ~(1 << (31 - 23)); \
  400. } while(0)
  401. #define NAND_CTL_SETCLE(nandptr) \
  402. do { \
  403. (((volatile immap_t *)CFG_IMMR)->im_cpm.cp_pbdat) |= (1 << (31 - 23)); \
  404. } while(0)
  405. #ifndef NAND_NO_RB
  406. #define NAND_WAIT_READY(nand) \
  407. do { \
  408. int _tries = 0; \
  409. while ((((volatile immap_t *)CFG_IMMR)->im_ioport.iop_padat & (1 << (15 - 6))) == 0) \
  410. if (++_tries > 100000) \
  411. break; \
  412. } while (0)
  413. #else
  414. #define NAND_WAIT_READY(nand) udelay(12)
  415. #endif
  416. #define WRITE_NAND_COMMAND(d, adr) \
  417. do { \
  418. *(volatile unsigned char *)((unsigned long)(adr)) = (unsigned char)(d); \
  419. } while(0)
  420. #define WRITE_NAND_ADDRESS(d, adr) \
  421. do { \
  422. *(volatile unsigned char *)((unsigned long)(adr)) = (unsigned char)(d); \
  423. } while(0)
  424. #define WRITE_NAND(d, adr) \
  425. do { \
  426. *(volatile unsigned char *)((unsigned long)(adr)) = (unsigned char)(d); \
  427. } while(0)
  428. #define READ_NAND(adr) \
  429. ((unsigned char)(*(volatile unsigned char *)(unsigned long)(adr)))
  430. /*****************************************************************************/
  431. #define CFG_DIRECT_FLASH_TFTP
  432. #define CFG_DIRECT_NAND_TFTP
  433. /*****************************************************************************/
  434. /* Status Leds are on the MODCK pins, which become the PCMCIA PGCRB,
  435. * CxOE and CxRESET. We use the CxOE.
  436. */
  437. #define STATUS_LED_BIT 0x00000080 /* bit 24 */
  438. #define STATUS_LED_PERIOD (CFG_HZ / 2)
  439. #define STATUS_LED_STATE STATUS_LED_BLINKING
  440. #define STATUS_LED_ACTIVE 0 /* LED on for bit == 0 */
  441. #define STATUS_LED_BOOT 0 /* LED 0 used for boot status */
  442. #ifndef __ASSEMBLY__
  443. /* LEDs */
  444. /* led_id_t is unsigned int mask */
  445. typedef unsigned int led_id_t;
  446. #define __led_toggle(_msk) \
  447. do { \
  448. ((volatile immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pgcrb ^= (_msk); \
  449. } while(0)
  450. #define __led_set(_msk, _st) \
  451. do { \
  452. if ((_st)) \
  453. ((volatile immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pgcrb |= (_msk); \
  454. else \
  455. ((volatile immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pgcrb &= ~(_msk); \
  456. } while(0)
  457. #define __led_init(msk, st) __led_set(msk, st)
  458. #endif
  459. /******************************************************************************/
  460. #define CFG_CONSOLE_IS_IN_ENV 1
  461. #define CFG_CONSOLE_OVERWRITE_ROUTINE 1
  462. #define CFG_CONSOLE_ENV_OVERWRITE 1
  463. /******************************************************************************/
  464. /* use board specific hardware */
  465. #undef CONFIG_WATCHDOG /* watchdog disabled */
  466. #define CONFIG_HW_WATCHDOG
  467. #define CONFIG_SHOW_ACTIVITY
  468. /*****************************************************************************/
  469. #define CONFIG_AUTO_COMPLETE 1
  470. #define CONFIG_CRC32_VERIFY 1
  471. #define CONFIG_HUSH_OLD_PARSER_COMPATIBLE 1
  472. /*****************************************************************************/
  473. /* pass open firmware flat tree */
  474. #define CONFIG_OF_FLAT_TREE 1
  475. #define OF_CPU "PowerPC,MPC870@0"
  476. #define OF_TBCLK (MPC8XX_HZ / 16)
  477. #define CONFIG_OF_HAS_BD_T 1
  478. #define CONFIG_OF_HAS_UBOOT_ENV 1
  479. #endif /* __CONFIG_H */