ep8260.h 23 KB

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  1. /*
  2. * (C) Copyright 2002
  3. * Frank Panno <fpanno@delphintech.com>, Delphin Technology AG
  4. *
  5. * This file is based on similar values for other boards found in other
  6. * U-Boot config files, and some that I found in the EP8260 manual.
  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. * "EP8260 H, V.1.1"
  30. * - 64M 60x Bus SDRAM
  31. * - 32M Local Bus SDRAM
  32. * - 16M Flash (4 x AM29DL323DB90WDI)
  33. * - 128k NVRAM with RTC
  34. *
  35. * "EP8260 H2, V.1.3" (CFG_EP8260_H2)
  36. * - 300MHz/133MHz/66MHz
  37. * - 64M 60x Bus SDRAM
  38. * - 32M Local Bus SDRAM
  39. * - 32M Flash
  40. * - 128k NVRAM with RTC
  41. */
  42. #ifndef __CONFIG_H
  43. #define __CONFIG_H
  44. /* Define this to enable support the EP8260 H2 version */
  45. #define CFG_EP8260_H2 1
  46. /* #undef CFG_EP8260_H2 */
  47. #define CONFIG_CPM2 1 /* Has a CPM2 */
  48. /* What is the oscillator's (UX2) frequency in Hz? */
  49. #define CONFIG_8260_CLKIN (66 * 1000 * 1000)
  50. /*-----------------------------------------------------------------------
  51. * MODCK_H & MODCLK[1-3] - Ref: Section 9.2 in MPC8206 User Manual
  52. *-----------------------------------------------------------------------
  53. * What should MODCK_H be? It is dependent on the oscillator
  54. * frequency, MODCK[1-3], and desired CPM and core frequencies.
  55. * Here are some example values (all frequencies are in MHz):
  56. *
  57. * MODCK_H MODCK[1-3] Osc CPM Core
  58. * ------- ---------- --- --- ----
  59. * 0x2 0x2 33 133 133
  60. * 0x2 0x3 33 133 166
  61. * 0x2 0x4 33 133 200
  62. * 0x2 0x5 33 133 233
  63. * 0x2 0x6 33 133 266
  64. *
  65. * 0x5 0x5 66 133 133
  66. * 0x5 0x6 66 133 166
  67. * 0x5 0x7 66 133 200 *
  68. * 0x6 0x0 66 133 233
  69. * 0x6 0x1 66 133 266
  70. * 0x6 0x2 66 133 300
  71. */
  72. #ifdef CFG_EP8260_H2
  73. #define CFG_SBC_MODCK_H (HRCW_MODCK_H0110)
  74. #else
  75. #define CFG_SBC_MODCK_H (HRCW_MODCK_H0110)
  76. #endif
  77. /* Define this if you want to boot from 0x00000100. If you don't define
  78. * this, you will need to program the bootloader to 0xfff00000, and
  79. * get the hardware reset config words at 0xfe000000. The simplest
  80. * way to do that is to program the bootloader at both addresses.
  81. * It is suggested that you just let U-Boot live at 0x00000000.
  82. */
  83. /* #define CFG_SBC_BOOT_LOW 1 */ /* only for HRCW */
  84. /* #undef CFG_SBC_BOOT_LOW */
  85. /* The reset command will not work as expected if the reset address does
  86. * not point to the correct address.
  87. */
  88. #define CFG_RESET_ADDRESS 0xFFF00100
  89. /* What should the base address of the main FLASH be and how big is
  90. * it (in MBytes)? This must contain TEXT_BASE from board/ep8260/config.mk
  91. * The main FLASH is whichever is connected to *CS0. U-Boot expects
  92. * this to be the SIMM.
  93. */
  94. #ifdef CFG_EP8260_H2
  95. #define CFG_FLASH0_BASE 0xFE000000
  96. #define CFG_FLASH0_SIZE 32
  97. #else
  98. #define CFG_FLASH0_BASE 0xFF000000
  99. #define CFG_FLASH0_SIZE 16
  100. #endif
  101. /* What should the base address of the secondary FLASH be and how big
  102. * is it (in Mbytes)? The secondary FLASH is whichever is connected
  103. * to *CS6. U-Boot expects this to be the on board FLASH. If you don't
  104. * want it enabled, don't define these constants.
  105. */
  106. #define CFG_FLASH1_BASE 0
  107. #define CFG_FLASH1_SIZE 0
  108. #undef CFG_FLASH1_BASE
  109. #undef CFG_FLASH1_SIZE
  110. /* What should be the base address of SDRAM DIMM (60x bus) and how big is
  111. * it (in Mbytes)?
  112. */
  113. #define CFG_SDRAM0_BASE 0x00000000
  114. #define CFG_SDRAM0_SIZE 64
  115. /* define CFG_LSDRAM if you want to enable the 32M SDRAM on the
  116. * local bus (8260 local bus is NOT cacheable!)
  117. */
  118. /* #define CFG_LSDRAM */
  119. #undef CFG_LSDRAM
  120. #ifdef CFG_LSDRAM
  121. /* What should be the base address of SDRAM DIMM (local bus) and how big is
  122. * it (in Mbytes)?
  123. */
  124. #define CFG_SDRAM1_BASE 0x04000000
  125. #define CFG_SDRAM1_SIZE 32
  126. #else
  127. #define CFG_SDRAM1_BASE 0
  128. #define CFG_SDRAM1_SIZE 0
  129. #undef CFG_SDRAM1_BASE
  130. #undef CFG_SDRAM1_SIZE
  131. #endif /* CFG_LSDRAM */
  132. /* What should be the base address of NVRAM and how big is
  133. * it (in Bytes)
  134. */
  135. #define CFG_NVRAM_BASE_ADDR 0xFA080000
  136. #define CFG_NVRAM_SIZE (128*1024)-16
  137. /* The RTC is a Dallas DS1556
  138. */
  139. #define CONFIG_RTC_DS1556
  140. /* What should be the base address of the LEDs and switch S0?
  141. * If you don't want them enabled, don't define this.
  142. */
  143. #define CFG_LED_BASE 0x00000000
  144. #undef CFG_LED_BASE
  145. /*
  146. * select serial console configuration
  147. *
  148. * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
  149. * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
  150. * for SCC).
  151. *
  152. * if CONFIG_CONS_NONE is defined, then the serial console routines must
  153. * defined elsewhere.
  154. */
  155. #define CONFIG_CONS_ON_SMC /* define if console on SMC */
  156. #undef CONFIG_CONS_ON_SCC /* define if console on SCC */
  157. #undef CONFIG_CONS_NONE /* define if console on neither */
  158. #define CONFIG_CONS_INDEX 1 /* which SMC/SCC channel for console */
  159. /*
  160. * select ethernet configuration
  161. *
  162. * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
  163. * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
  164. * for FCC)
  165. *
  166. * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
  167. * defined elsewhere (as for the console), or CFG_CMD_NET must be removed
  168. * from CONFIG_COMMANDS to remove support for networking.
  169. */
  170. #undef CONFIG_ETHER_ON_SCC /* define if ethernet on SCC */
  171. #define CONFIG_ETHER_ON_FCC /* define if ethernet on FCC */
  172. #undef CONFIG_ETHER_NONE /* define if ethernet on neither */
  173. #define CONFIG_ETHER_INDEX 3 /* which SCC/FCC channel for ethernet */
  174. #if ( CONFIG_ETHER_INDEX == 3 )
  175. /*
  176. * - Rx-CLK is CLK15
  177. * - Tx-CLK is CLK16
  178. * - RAM for BD/Buffers is on the local Bus (see 28-13)
  179. * - Enable Half Duplex in FSMR
  180. */
  181. # define CFG_CMXFCR_MASK (CMXFCR_FC3|CMXFCR_RF3CS_MSK|CMXFCR_TF3CS_MSK)
  182. # define CFG_CMXFCR_VALUE (CMXFCR_RF3CS_CLK15|CMXFCR_TF3CS_CLK16)
  183. /*
  184. * - RAM for BD/Buffers is on the local Bus (see 28-13)
  185. */
  186. #ifdef CFG_LSDRAM
  187. #define CFG_CPMFCR_RAMTYPE 3
  188. #else /* CFG_LSDRAM */
  189. #define CFG_CPMFCR_RAMTYPE 0
  190. #endif /* CFG_LSDRAM */
  191. /* - Enable Half Duplex in FSMR */
  192. /* # define CFG_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB) */
  193. # define CFG_FCC_PSMR 0
  194. #else /* CONFIG_ETHER_INDEX */
  195. # error "on EP8260 ethernet must be FCC3"
  196. #endif /* CONFIG_ETHER_INDEX */
  197. /*
  198. * select i2c support configuration
  199. *
  200. * Supported configurations are {none, software, hardware} drivers.
  201. * If the software driver is chosen, there are some additional
  202. * configuration items that the driver uses to drive the port pins.
  203. */
  204. #undef CONFIG_HARD_I2C /* I2C with hardware support */
  205. #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
  206. #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
  207. #define CFG_I2C_SLAVE 0x7F
  208. /*
  209. * Software (bit-bang) I2C driver configuration
  210. */
  211. #ifdef CONFIG_SOFT_I2C
  212. #define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */
  213. #define I2C_ACTIVE (iop->pdir |= 0x00010000)
  214. #define I2C_TRISTATE (iop->pdir &= ~0x00010000)
  215. #define I2C_READ ((iop->pdat & 0x00010000) != 0)
  216. #define I2C_SDA(bit) if(bit) iop->pdat |= 0x00010000; \
  217. else iop->pdat &= ~0x00010000
  218. #define I2C_SCL(bit) if(bit) iop->pdat |= 0x00020000; \
  219. else iop->pdat &= ~0x00020000
  220. #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
  221. #endif /* CONFIG_SOFT_I2C */
  222. /* #define CONFIG_RTC_DS174x */
  223. /* Define this to reserve an entire FLASH sector (256 KB) for
  224. * environment variables. Otherwise, the environment will be
  225. * put in the same sector as U-Boot, and changing variables
  226. * will erase U-Boot temporarily
  227. */
  228. #define CFG_ENV_IN_OWN_SECT
  229. /* Define to allow the user to overwrite serial and ethaddr */
  230. #define CONFIG_ENV_OVERWRITE
  231. /* What should the console's baud rate be? */
  232. #ifdef CFG_EP8260_H2
  233. #define CONFIG_BAUDRATE 9600
  234. #else
  235. #define CONFIG_BAUDRATE 115200
  236. #endif
  237. /* Ethernet MAC address */
  238. #define CONFIG_ETHADDR 00:10:EC:00:30:8C
  239. #define CONFIG_IPADDR 192.168.254.130
  240. #define CONFIG_SERVERIP 192.168.254.49
  241. /* Set to a positive value to delay for running BOOTCOMMAND */
  242. #define CONFIG_BOOTDELAY -1
  243. /* undef this to save memory */
  244. #define CFG_LONGHELP
  245. /* Monitor Command Prompt */
  246. #define CFG_PROMPT "=> "
  247. /* Define this variable to enable the "hush" shell (from
  248. Busybox) as command line interpreter, thus enabling
  249. powerful command line syntax like
  250. if...then...else...fi conditionals or `&&' and '||'
  251. constructs ("shell scripts").
  252. If undefined, you get the old, much simpler behaviour
  253. with a somewhat smapper memory footprint.
  254. */
  255. #define CFG_HUSH_PARSER
  256. #define CFG_PROMPT_HUSH_PS2 "> "
  257. /* What U-Boot subsytems do you want enabled? */
  258. /*
  259. */
  260. #define CONFIG_COMMANDS ( CFG_CMD_ALL & \
  261. ~( CFG_CMD_BMP | \
  262. CFG_CMD_BSP | \
  263. CFG_CMD_DCR | \
  264. CFG_CMD_DHCP | \
  265. CFG_CMD_DOC | \
  266. CFG_CMD_DTT | \
  267. CFG_CMD_EEPROM | \
  268. CFG_CMD_EXT2 | \
  269. CFG_CMD_FDC | \
  270. CFG_CMD_FDOS | \
  271. CFG_CMD_HWFLOW | \
  272. CFG_CMD_IDE | \
  273. CFG_CMD_JFFS2 | \
  274. CFG_CMD_KGDB | \
  275. CFG_CMD_MII | \
  276. CFG_CMD_MMC | \
  277. CFG_CMD_NAND | \
  278. CFG_CMD_PCI | \
  279. CFG_CMD_PCMCIA | \
  280. CFG_CMD_REISER | \
  281. CFG_CMD_SCSI | \
  282. CFG_CMD_SPI | \
  283. CFG_CMD_UNIVERSE| \
  284. CFG_CMD_USB | \
  285. CFG_CMD_VFD | \
  286. CFG_CMD_XIMG ) )
  287. /* Where do the internal registers live? */
  288. #define CFG_IMMR 0xF0000000
  289. #define CFG_DEFAULT_IMMR 0x00010000
  290. /* Where do the on board registers (CS4) live? */
  291. #define CFG_REGS_BASE 0xFA000000
  292. /*****************************************************************************
  293. *
  294. * You should not have to modify any of the following settings
  295. *
  296. *****************************************************************************/
  297. #define CONFIG_MPC8260 1 /* This is an MPC8260 CPU */
  298. #define CONFIG_EP8260 11 /* on an Embedded Planet EP8260 Board, Rev. 11 */
  299. #define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */
  300. /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
  301. #include <cmd_confdefs.h>
  302. /*
  303. * Miscellaneous configurable options
  304. */
  305. #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
  306. # define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
  307. #else
  308. # define CFG_CBSIZE 256 /* Console I/O Buffer Size */
  309. #endif
  310. /* Print Buffer Size */
  311. #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT)+16)
  312. #define CFG_MAXARGS 8 /* max number of command args */
  313. #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
  314. #ifdef CFG_LSDRAM
  315. #define CFG_MEMTEST_START 0x04000000 /* memtest works on */
  316. #define CFG_MEMTEST_END 0x06000000 /* 64-96 MB in SDRAM */
  317. #else
  318. #define CFG_MEMTEST_START 0x00000000 /* memtest works on */
  319. #define CFG_MEMTEST_END 0x02000000 /* 0-32 MB in SDRAM */
  320. #endif /* CFG_LSDRAM */
  321. #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
  322. #define CFG_LOAD_ADDR 0x00100000 /* default load address */
  323. #define CFG_TFTP_LOADADDR 0x00100000 /* default load address for network file downloads */
  324. #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
  325. /* valid baudrates */
  326. #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
  327. /*
  328. * Low Level Configuration Settings
  329. * (address mappings, register initial values, etc.)
  330. * You should know what you are doing if you make changes here.
  331. */
  332. #define CFG_FLASH_BASE CFG_FLASH0_BASE
  333. #define CFG_SDRAM_BASE CFG_SDRAM0_BASE
  334. /*-----------------------------------------------------------------------
  335. * Hard Reset Configuration Words
  336. */
  337. #if defined(CFG_SBC_BOOT_LOW)
  338. # define CFG_SBC_HRCW_BOOT_FLAGS (HRCW_CIP | HRCW_BMS)
  339. #else
  340. # define CFG_SBC_HRCW_BOOT_FLAGS (0x00000000)
  341. #endif /* defined(CFG_SBC_BOOT_LOW) */
  342. #ifdef CFG_EP8260_H2
  343. /* get the HRCW ISB field from CFG_DEFAULT_IMMR */
  344. #define CFG_SBC_HRCW_IMMR ( ((CFG_DEFAULT_IMMR & 0x10000000) >> 10) |\
  345. ((CFG_DEFAULT_IMMR & 0x01000000) >> 7) |\
  346. ((CFG_DEFAULT_IMMR & 0x00100000) >> 4) )
  347. #define CFG_HRCW_MASTER (HRCW_EBM |\
  348. HRCW_L2CPC01 |\
  349. CFG_SBC_HRCW_IMMR |\
  350. HRCW_APPC10 |\
  351. HRCW_CS10PC01 |\
  352. CFG_SBC_MODCK_H |\
  353. CFG_SBC_HRCW_BOOT_FLAGS)
  354. #else
  355. #define CFG_HRCW_MASTER 0x10400245
  356. #endif
  357. /* no slaves */
  358. #define CFG_HRCW_SLAVE1 0
  359. #define CFG_HRCW_SLAVE2 0
  360. #define CFG_HRCW_SLAVE3 0
  361. #define CFG_HRCW_SLAVE4 0
  362. #define CFG_HRCW_SLAVE5 0
  363. #define CFG_HRCW_SLAVE6 0
  364. #define CFG_HRCW_SLAVE7 0
  365. /*-----------------------------------------------------------------------
  366. * Definitions for initial stack pointer and data area (in DPRAM)
  367. */
  368. #define CFG_INIT_RAM_ADDR CFG_IMMR
  369. #define CFG_INIT_RAM_END 0x4000 /* End of used area in DPRAM */
  370. #define CFG_GBL_DATA_SIZE 128 /* bytes reserved for initial data */
  371. #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
  372. #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
  373. /*-----------------------------------------------------------------------
  374. * Start addresses for the final memory configuration
  375. * (Set up by the startup code)
  376. * Please note that CFG_SDRAM_BASE _must_ start at 0
  377. * Note also that the logic that sets CFG_RAMBOOT is platform dependent.
  378. */
  379. #define CFG_MONITOR_BASE TEXT_BASE
  380. #if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
  381. # define CFG_RAMBOOT
  382. #endif
  383. #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
  384. #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
  385. /*
  386. * For booting Linux, the board info and command line data
  387. * have to be in the first 8 MB of memory, since this is
  388. * the maximum mapped by the Linux kernel during initialization.
  389. */
  390. #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
  391. /*-----------------------------------------------------------------------
  392. * FLASH and environment organization
  393. */
  394. #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
  395. #ifdef CFG_EP8260_H2
  396. #define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */
  397. #else
  398. #define CFG_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
  399. #endif
  400. #define CFG_FLASH_ERASE_TOUT 8000 /* Timeout for Flash Erase (in ms) */
  401. #define CFG_FLASH_WRITE_TOUT 1 /* Timeout for Flash Write (in ms) */
  402. #ifndef CFG_RAMBOOT
  403. # define CFG_ENV_IS_IN_FLASH 1
  404. # ifdef CFG_ENV_IN_OWN_SECT
  405. # define CFG_ENV_ADDR (CFG_MONITOR_BASE + 0x40000)
  406. # define CFG_ENV_SECT_SIZE 0x40000
  407. # else
  408. # define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_MONITOR_LEN - CFG_ENV_SECT_SIZE)
  409. # define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */
  410. # define CFG_ENV_SECT_SIZE 0x10000 /* see README - env sect real size */
  411. # endif /* CFG_ENV_IN_OWN_SECT */
  412. #else
  413. # define CFG_ENV_IS_IN_NVRAM 1
  414. # define CFG_ENV_ADDR (CFG_MONITOR_BASE - 0x1000)
  415. # define CFG_ENV_SIZE 0x200
  416. #endif /* CFG_RAMBOOT */
  417. /*-----------------------------------------------------------------------
  418. * Cache Configuration
  419. */
  420. #define CFG_CACHELINE_SIZE 32 /* For MPC8260 CPU */
  421. #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
  422. # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
  423. #endif
  424. /*-----------------------------------------------------------------------
  425. * HIDx - Hardware Implementation-dependent Registers 2-11
  426. *-----------------------------------------------------------------------
  427. * HID0 also contains cache control - initially enable both caches and
  428. * invalidate contents, then the final state leaves only the instruction
  429. * cache enabled. Note that Power-On and Hard reset invalidate the caches,
  430. * but Soft reset does not.
  431. *
  432. * HID1 has only read-only information - nothing to set.
  433. */
  434. #define CFG_HID0_INIT (HID0_ICE |\
  435. HID0_DCE |\
  436. HID0_ICFI |\
  437. HID0_DCI |\
  438. HID0_IFEM |\
  439. HID0_ABE)
  440. #ifdef CFG_LSDRAM
  441. /* 8260 local bus is NOT cacheable */
  442. #define CFG_HID0_FINAL (/*HID0_ICE |*/\
  443. HID0_IFEM |\
  444. HID0_ABE |\
  445. HID0_EMCP)
  446. #else /* !CFG_LSDRAM */
  447. #define CFG_HID0_FINAL (HID0_ICE |\
  448. HID0_IFEM |\
  449. HID0_ABE |\
  450. HID0_EMCP)
  451. #endif /* CFG_LSDRAM */
  452. #define CFG_HID2 0
  453. /*-----------------------------------------------------------------------
  454. * RMR - Reset Mode Register
  455. *-----------------------------------------------------------------------
  456. */
  457. #define CFG_RMR 0
  458. /*-----------------------------------------------------------------------
  459. * BCR - Bus Configuration 4-25
  460. *-----------------------------------------------------------------------
  461. */
  462. #define CFG_BCR (BCR_EBM |\
  463. BCR_PLDP |\
  464. BCR_EAV |\
  465. BCR_NPQM0)
  466. /*-----------------------------------------------------------------------
  467. * SIUMCR - SIU Module Configuration 4-31
  468. *-----------------------------------------------------------------------
  469. */
  470. #define CFG_SIUMCR (SIUMCR_L2CPC01 |\
  471. SIUMCR_APPC10 |\
  472. SIUMCR_CS10PC01)
  473. /*-----------------------------------------------------------------------
  474. * SYPCR - System Protection Control 11-9
  475. * SYPCR can only be written once after reset!
  476. *-----------------------------------------------------------------------
  477. * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
  478. */
  479. #ifdef CFG_EP8260_H2
  480. /* TBD: Find out why setting the BMT to 0xff causes the FCC to
  481. * generate TX buffer underrun errors for large packets under
  482. * Linux
  483. */
  484. #define CFG_SYPCR_BMT 0x00000600
  485. #else
  486. #define CFG_SYPCR_BMT SYPCR_BMT
  487. #endif
  488. #ifdef CFG_LSDRAM
  489. #define CFG_SYPCR (SYPCR_SWTC |\
  490. CFG_SYPCR_BMT |\
  491. SYPCR_PBME |\
  492. SYPCR_LBME |\
  493. SYPCR_SWP)
  494. #else
  495. #define CFG_SYPCR (SYPCR_SWTC |\
  496. CFG_SYPCR_BMT |\
  497. SYPCR_PBME |\
  498. SYPCR_SWP)
  499. #endif
  500. /*-----------------------------------------------------------------------
  501. * TMCNTSC - Time Counter Status and Control 4-40
  502. *-----------------------------------------------------------------------
  503. * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
  504. * and enable Time Counter
  505. */
  506. #define CFG_TMCNTSC (TMCNTSC_SEC |\
  507. TMCNTSC_ALR |\
  508. TMCNTSC_TCF |\
  509. TMCNTSC_TCE)
  510. /*-----------------------------------------------------------------------
  511. * PISCR - Periodic Interrupt Status and Control 4-42
  512. *-----------------------------------------------------------------------
  513. * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
  514. * Periodic timer
  515. */
  516. #ifdef CFG_EP8260_H2
  517. #define CFG_PISCR (PISCR_PS |\
  518. PISCR_PTF |\
  519. PISCR_PTE)
  520. #else
  521. #define CFG_PISCR 0
  522. #endif
  523. /*-----------------------------------------------------------------------
  524. * SCCR - System Clock Control 9-8
  525. *-----------------------------------------------------------------------
  526. */
  527. #define CFG_SCCR (SCCR_DFBRG01)
  528. /*-----------------------------------------------------------------------
  529. * RCCR - RISC Controller Configuration 13-7
  530. *-----------------------------------------------------------------------
  531. */
  532. #define CFG_RCCR 0
  533. /*-----------------------------------------------------------------------
  534. * MPTPR - Memory Refresh Timer Prescale Register 10-32
  535. *-----------------------------------------------------------------------
  536. */
  537. #define CFG_MPTPR (0x0A00 & MPTPR_PTP_MSK)
  538. /*
  539. * Init Memory Controller:
  540. *
  541. * Bank Bus Machine PortSz Device
  542. * ---- --- ------- ------ ------
  543. * 0 60x GPCM 64 bit FLASH (BGA - 16MB AMD AM29DL323DB90WDI)
  544. * 1 60x SDRAM 64 bit SDRAM (BGA - 64MB Micron 48LC8M16A2TG)
  545. * 2 Local SDRAM 32 bit SDRAM (BGA - 32MB Micron 48LC8M16A2TG)
  546. * 3 unused
  547. * 4 60x GPCM 8 bit Board Regs, NVRTC
  548. * 5 unused
  549. * 6 unused
  550. * 7 unused
  551. * 8 PCMCIA
  552. * 9 unused
  553. * 10 unused
  554. * 11 unused
  555. */
  556. /*-----------------------------------------------------------------------
  557. * BRx - Base Register
  558. * Ref: Section 10.3.1 on page 10-14
  559. * ORx - Option Register
  560. * Ref: Section 10.3.2 on page 10-18
  561. *-----------------------------------------------------------------------
  562. */
  563. /* Bank 0 - FLASH
  564. *
  565. */
  566. #define CFG_BR0_PRELIM ((CFG_FLASH0_BASE & BRx_BA_MSK) |\
  567. BRx_PS_64 |\
  568. BRx_DECC_NONE |\
  569. BRx_MS_GPCM_P |\
  570. BRx_V)
  571. #define CFG_OR0_PRELIM (MEG_TO_AM(CFG_FLASH0_SIZE) |\
  572. ORxG_CSNT |\
  573. ORxG_ACS_DIV1 |\
  574. ORxG_SCY_8_CLK |\
  575. ORxG_EHTR)
  576. /* Bank 1 - SDRAM
  577. * PSDRAM
  578. */
  579. #define CFG_BR1_PRELIM ((CFG_SDRAM0_BASE & BRx_BA_MSK) |\
  580. BRx_PS_64 |\
  581. BRx_MS_SDRAM_P |\
  582. BRx_V)
  583. #define CFG_OR1_PRELIM (MEG_TO_AM(CFG_SDRAM0_SIZE) |\
  584. ORxS_BPD_4 |\
  585. ORxS_ROWST_PBI1_A6 |\
  586. ORxS_NUMR_12)
  587. #ifdef CFG_EP8260_H2
  588. #define CFG_PSDMR 0xC34E246E
  589. #else
  590. #define CFG_PSDMR 0xC34E2462
  591. #endif
  592. #define CFG_PSRT 0x64
  593. #ifdef CFG_LSDRAM
  594. /* Bank 2 - SDRAM
  595. * LSDRAM
  596. */
  597. #define CFG_BR2_PRELIM ((CFG_SDRAM1_BASE & BRx_BA_MSK) |\
  598. BRx_PS_32 |\
  599. BRx_MS_SDRAM_L |\
  600. BRx_V)
  601. #define CFG_OR2_PRELIM (MEG_TO_AM(CFG_SDRAM1_SIZE) |\
  602. ORxS_BPD_4 |\
  603. ORxS_ROWST_PBI0_A9 |\
  604. ORxS_NUMR_12)
  605. #define CFG_LSDMR 0x416A2562
  606. #define CFG_LSRT 0x64
  607. #else
  608. #define CFG_LSRT 0x0
  609. #endif /* CFG_LSDRAM */
  610. /* Bank 4 - On board registers
  611. * NVRTC and BCSR
  612. */
  613. #define CFG_BR4_PRELIM ((CFG_REGS_BASE & BRx_BA_MSK) |\
  614. BRx_PS_8 |\
  615. BRx_MS_GPCM_P |\
  616. BRx_V)
  617. /*
  618. #define CFG_OR4_PRELIM (ORxG_AM_MSK |\
  619. ORxG_CSNT |\
  620. ORxG_ACS_DIV1 |\
  621. ORxG_SCY_10_CLK |\
  622. ORxG_TRLX)
  623. */
  624. #define CFG_OR4_PRELIM 0xfff00854
  625. #ifdef _NOT_USED_SINCE_NOT_WORKING_
  626. /* Bank 8 - On board registers
  627. * PCMCIA (currently not working!)
  628. */
  629. #define CFG_BR8_PRELIM ((CFG_REGS_BASE & BRx_BA_MSK) |\
  630. BRx_PS_16 |\
  631. BRx_MS_GPCM_P |\
  632. BRx_V)
  633. #define CFG_OR8_PRELIM (ORxG_AM_MSK |\
  634. ORxG_CSNT |\
  635. ORxG_ACS_DIV1 |\
  636. ORxG_SETA |\
  637. ORxG_SCY_10_CLK)
  638. #endif
  639. /*
  640. * Internal Definitions
  641. *
  642. * Boot Flags
  643. */
  644. #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
  645. #define BOOTFLAG_WARM 0x02 /* Software reboot */
  646. #endif /* __CONFIG_H */