sc3.h 20 KB

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  1. /*
  2. * (C) Copyright 2007
  3. * Heiko Schocher, DENX Software Engineering, <hs@denx.de>.
  4. *
  5. * From:
  6. * (C) Copyright 2003
  7. * Juergen Beisert, EuroDesign embedded technologies, jbeisert@eurodsn.de
  8. *
  9. * See file CREDITS for list of people who contributed to this
  10. * project.
  11. *
  12. * This program is free software; you can redistribute it and/or
  13. * modify it under the terms of the GNU General Public License as
  14. * published by the Free Software Foundation; either version 2 of
  15. * the License, or (at your option) any later version.
  16. *
  17. * This program is distributed in the hope that it will be useful,
  18. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  20. * GNU General Public License for more details.
  21. *
  22. * You should have received a copy of the GNU General Public License
  23. * along with this program; if not, write to the Free Software
  24. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  25. * MA 02111-1307 USA
  26. */
  27. #ifndef __CONFIG_H
  28. #define __CONFIG_H
  29. #undef USE_VGA_GRAPHICS
  30. /* Memory Map
  31. * 0x00000000 .... 0x03FFFFFF -> RAM (up to 128MiB)
  32. * 0x74000000 .... 0x740FFFFF -> CS#6
  33. * 0x74100000 .... 0x741FFFFF -> CS#7
  34. * 0x74200000 .... 0x742FFFFF -> CS4# if no internal USB
  35. * 0x74300000 .... 0x743FFFFF -> CS5# if no boosted IDE
  36. * 0x77C00000 .... 0x77CFFFFF -> CS4# USB HC (1 MiB)
  37. * 0x77D00000 .... 0x77DFFFFF -> CS1# NAND-Flash (1 MiB)
  38. * 0x78000000 .... 0x78FFFFFF -> CS2# ISA-Bus Speicherzugriff (16 MiB)
  39. * 0x79000000 .... 0x7900FFFF -> CS2# ISA-Bus IO-Zugriff (16 MiB, mapped: 64kiB)
  40. * 0x79010000 .... 0x79FFFFFF -> CS2# ISA-Bus IO-Zugriff (mirrored)
  41. * 0x7A000000 .... 0x7A0FFFFF -> CS5# IDE emulation (1MiB)
  42. *
  43. * 0x80000000 .... 0x9FFFFFFF -> PCI-Bus Speicherzugriff (512MiB, mapped: 1:1)
  44. * 0xA0000000 .... 0xBFFFFFFF -> PCI-Bus Speicherzugriff (512MiB, mapped: 0x00000000...0x1FFFFFFF)
  45. * 0xE8000000 .... 0xE800FFFF -> PCI-Bus IO-Zugriff (64kiB, translated to PCI: 0x0000...0xFFFF)
  46. * 0xE8800000 .... 0xEBFFFFFF -> PCI-Bus IO-Zugriff (56MiB, translated to PCI: 0x00800000...0x3FFFFFF)
  47. * 0xEED00000 .... 0xEED00003 -> PCI-Bus
  48. * 0xEF400000 .... 0xEF40003F -> PCI-Bus Local Configuration Registers
  49. * 0xEF40003F .... 0xEF5FFFFF -> reserved
  50. * 0xEF600000 .... 0xEFFFFFFF -> 405GP internal Devices (10 MiB)
  51. * 0xF0000000 .... 0xF01FFFFF -> Flash-ROM (2 MiB)
  52. * 0xF0200000 .... 0xF7FFFFFF -> free for flash devices
  53. * 0xF8000000 .... 0xF8000FFF -> OnChipMemory (4kiB)
  54. * 0xF8001000 .... 0xFFDFFFFF -> free for flash devices
  55. * 0xFFE00000 .... 0xFFFFFFFF -> BOOT-ROM (2 MiB)
  56. */
  57. #define CONFIG_SC3 1
  58. #define CONFIG_4xx 1
  59. #define CONFIG_405GP 1
  60. #define CONFIG_BOARD_EARLY_INIT_F 1
  61. /*
  62. * Define IDE_USES_ISA_EMULATION for slower IDE access in the ISA-IO address range
  63. * If undefined, IDE access uses a seperat emulation with higher access speed.
  64. * Consider to inform your Linux IDE driver about the different addresses!
  65. * IDE_USES_ISA_EMULATION is only used if you define CONFIG_CMD_IDE!
  66. */
  67. #define IDE_USES_ISA_EMULATION
  68. /*-----------------------------------------------------------------------
  69. * Serial Port
  70. *----------------------------------------------------------------------*/
  71. #define CONFIG_SERIAL_MULTI
  72. #undef CONFIG_SERIAL_SOFTWARE_FIFO
  73. /*
  74. * define CONFIG_POWER_DOWN if your cpu should power down while waiting for your input
  75. * Works only, if you have enabled the CONFIG_SERIAL_SOFTWARE_FIFO feature
  76. */
  77. #if CONFIG_SERIAL_SOFTWARE_FIFO
  78. #define CONFIG_POWER_DOWN
  79. #endif
  80. /*
  81. * define CONFIG_SYS_CLK_FREQ to your base crystal clock in Hz
  82. */
  83. #define CONFIG_SYS_CLK_FREQ 33333333
  84. /*
  85. * define CONFIG_BAUDRATE to the baudrate value you want to use as default
  86. */
  87. #define CONFIG_BAUDRATE 115200
  88. #define CONFIG_BOOTDELAY 3 /* autoboot after 3 seconds */
  89. #define CONFIG_PREBOOT "echo;" \
  90. "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
  91. "echo"
  92. #undef CONFIG_BOOTARGS
  93. #define CONFIG_EXTRA_ENV_SETTINGS \
  94. "netdev=eth0\0" \
  95. "nfsargs=setenv bootargs root=/dev/nfs rw " \
  96. "nfsroot=${serverip}:${rootpath}\0" \
  97. "ramargs=setenv bootargs root=/dev/ram rw\0" \
  98. "nand_args=setenv bootargs root=/dev/mtdblock5 rw" \
  99. "rootfstype=jffs2\0" \
  100. "addip=setenv bootargs ${bootargs} " \
  101. "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
  102. ":${hostname}:${netdev}:off panic=1\0" \
  103. "addcons=setenv bootargs ${bootargs} " \
  104. "console=ttyS0,${baudrate}\0" \
  105. "flash_nfs=run nfsargs addip addcons;" \
  106. "bootm ${kernel_addr}\0" \
  107. "flash_nand=run nand_args addip addcons;bootm ${kernel_addr}\0" \
  108. "net_nfs=tftp 200000 ${bootfile};run nfsargs addip addcons;" \
  109. "bootm\0" \
  110. "rootpath=/opt/eldk/ppc_4xx\0" \
  111. "bootfile=/tftpboot/sc3/uImage\0" \
  112. "u-boot=/tftpboot/sc3/u-boot.bin\0" \
  113. "setup=tftp 200000 /tftpboot/sc3/setup.img;autoscr 200000\0" \
  114. "kernel_addr=FFE08000\0" \
  115. ""
  116. #undef CONFIG_BOOTCOMMAND
  117. #define CONFIG_SILENT_CONSOLE 1 /* enable silent startup */
  118. #define CFG_DEVICE_NULLDEV 1 /* include nulldev device */
  119. #if 1 /* feel free to disable for development */
  120. #define CONFIG_AUTOBOOT_KEYED /* Enable password protection */
  121. #define CONFIG_AUTOBOOT_PROMPT "\nSC3 - booting... stop with ENTER\n"
  122. #define CONFIG_AUTOBOOT_DELAY_STR "\r" /* 1st "password" */
  123. #define CONFIG_AUTOBOOT_DELAY_STR2 "\n" /* 1st "password" */
  124. #endif
  125. /*
  126. * define CONFIG_BOOTCOMMAND to the autoboot commands. They will running after
  127. * the CONFIG_BOOTDELAY delay to boot your machine
  128. */
  129. #define CONFIG_BOOTCOMMAND "bootp;dcache on;bootm"
  130. /*
  131. * define CONFIG_BOOTARGS to the default kernel parameters. They will used if you don't
  132. * set different values at the u-boot prompt
  133. */
  134. #ifdef USE_VGA_GRAPHICS
  135. #define CONFIG_BOOTARGS "root=/dev/nfs rw ip=bootp nfsroot=/tftpboot/solidcard3re"
  136. #else
  137. #define CONFIG_BOOTARGS "console=ttyS0,115200 root=/dev/nfs rw ip=bootp"
  138. #endif
  139. /*
  140. * Is the USB host controller assembled? If yes define CONFIG_ISP1161_PRESENT
  141. * This reserves memory bank #4 for this purpose
  142. */
  143. #undef CONFIG_ISP1161_PRESENT
  144. #undef CONFIG_LOADS_ECHO /* no echo on for serial download */
  145. #define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
  146. #define CONFIG_NET_MULTI
  147. /* #define CONFIG_EEPRO100_SROM_WRITE */
  148. /* #define CONFIG_SHOW_MAC */
  149. #define CONFIG_EEPRO100
  150. #define CONFIG_MII 1 /* add 405GP MII PHY management */
  151. #define CONFIG_PHY_ADDR 1 /* the connected Phy defaults to address 1 */
  152. /*
  153. * Command line configuration.
  154. */
  155. #include <config_cmd_default.h>
  156. #define CONFIG_CMD_AUTOSCRIPT
  157. #define CONFIG_CMD_PCI
  158. #define CONFIG_CMD_IRQ
  159. #define CONFIG_CMD_NET
  160. #define CONFIG_CMD_MII
  161. #define CONFIG_CMD_PING
  162. #define CONFIG_CMD_NAND
  163. #define CONFIG_CMD_JFFS2
  164. #define CONFIG_CMD_I2C
  165. #define CONFIG_CMD_IDE
  166. #define CONFIG_CMD_DATE
  167. #define CONFIG_CMD_DHCP
  168. #define CONFIG_CMD_CACHE
  169. #define CONFIG_CMD_ELF
  170. #undef CONFIG_WATCHDOG /* watchdog disabled */
  171. /*
  172. * Miscellaneous configurable options
  173. */
  174. #define CFG_LONGHELP 1 /* undef to save memory */
  175. #define CFG_PROMPT "SC3> " /* Monitor Command Prompt */
  176. #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
  177. #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
  178. #define CFG_MAXARGS 16 /* max number of command args */
  179. #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
  180. #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
  181. #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
  182. /*
  183. * If CFG_EXT_SERIAL_CLOCK, then the UART divisor is 1.
  184. * If CFG_405_UART_ERRATA_59, then UART divisor is 31.
  185. * Otherwise, UART divisor is determined by CPU Clock and CFG_BASE_BAUD value.
  186. * The Linux BASE_BAUD define should match this configuration.
  187. * baseBaud = cpuClock/(uartDivisor*16)
  188. * If CFG_405_UART_ERRATA_59 and 200MHz CPU clock,
  189. * set Linux BASE_BAUD to 403200.
  190. *
  191. * Consider the OPB clock! If it get lower the BASE_BAUD must be lower to
  192. * (see 405GP datasheet for descritpion)
  193. */
  194. #undef CFG_EXT_SERIAL_CLOCK /* external serial clock */
  195. #undef CFG_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */
  196. #define CFG_BASE_BAUD 921600 /* internal clock */
  197. /* The following table includes the supported baudrates */
  198. #define CFG_BAUDRATE_TABLE \
  199. {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
  200. #define CFG_LOAD_ADDR 0x1000000 /* default load address */
  201. #define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */
  202. #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
  203. /*-----------------------------------------------------------------------
  204. * IIC stuff
  205. *-----------------------------------------------------------------------
  206. */
  207. #define CONFIG_HARD_I2C /* I2C with hardware support */
  208. #undef CONFIG_SOFT_I2C /* I2C bit-banged */
  209. #define I2C_INIT
  210. #define I2C_ACTIVE 0
  211. #define I2C_TRISTATE 0
  212. #define CFG_I2C_SPEED 100000 /* use the standard 100kHz speed */
  213. #define CFG_I2C_SLAVE 0x7F /* mask valid bits */
  214. #define CONFIG_RTC_DS1337
  215. #define CFG_I2C_RTC_ADDR 0x68
  216. /*-----------------------------------------------------------------------
  217. * PCI stuff
  218. *-----------------------------------------------------------------------
  219. */
  220. #define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */
  221. #define PCI_HOST_FORCE 1 /* configure as pci host */
  222. #define PCI_HOST_AUTO 2 /* detected via arbiter enable */
  223. #define CONFIG_PCI /* include pci support */
  224. #define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */
  225. #define CONFIG_PCI_PNP /* do pci plug-and-play */
  226. /* resource configuration */
  227. /* If you want to see, whats connected to your PCI bus */
  228. /* #define CONFIG_PCI_SCAN_SHOW */
  229. #define CFG_PCI_SUBSYS_VENDORID 0x0000 /* PCI Vendor ID: to-do!!! */
  230. #define CFG_PCI_SUBSYS_DEVICEID 0x0000 /* PCI Device ID: to-do!!! */
  231. #define CFG_PCI_PTM1LA 0x00000000 /* point to sdram */
  232. #define CFG_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */
  233. #define CFG_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */
  234. #define CFG_PCI_PTM2LA 0x00000000 /* disabled */
  235. #define CFG_PCI_PTM2MS 0x00000000 /* disabled */
  236. #define CFG_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */
  237. /*-----------------------------------------------------------------------
  238. * External peripheral base address
  239. *-----------------------------------------------------------------------
  240. */
  241. #if !defined(CONFIG_CMD_IDE)
  242. #undef CONFIG_IDE_LED /* no led for ide supported */
  243. #undef CONFIG_IDE_RESET /* no reset for ide supported */
  244. /*-----------------------------------------------------------------------
  245. * IDE/ATA stuff
  246. *-----------------------------------------------------------------------
  247. */
  248. #else
  249. #define CONFIG_START_IDE 1 /* check, if use IDE */
  250. #undef CONFIG_IDE_8xx_DIRECT /* no pcmcia interface required */
  251. #undef CONFIG_IDE_LED /* no led for ide supported */
  252. #undef CONFIG_IDE_RESET /* no reset for ide supported */
  253. #define CONFIG_ATAPI
  254. #define CONFIG_DOS_PARTITION
  255. #define CFG_IDE_MAXDEVICE (CFG_IDE_MAXBUS*1) /* max. 1 drives per IDE bus */
  256. #ifndef IDE_USES_ISA_EMULATION
  257. /* New and faster access */
  258. #define CFG_ATA_BASE_ADDR 0x7A000000 /* start of ISA IO emulation */
  259. /* How many IDE busses are available */
  260. #define CFG_IDE_MAXBUS 1
  261. /* What IDE ports are available */
  262. #define CFG_ATA_IDE0_OFFSET 0x000 /* first is available */
  263. #undef CFG_ATA_IDE1_OFFSET /* second not available */
  264. /* access to the data port is calculated:
  265. CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_DATA_OFFSET + 0 */
  266. #define CFG_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */
  267. /* access to the registers is calculated:
  268. CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_REG_OFFSET + [1..7] */
  269. #define CFG_ATA_REG_OFFSET 0x0000 /* Offset for normal register accesses */
  270. /* access to the alternate register is calculated:
  271. CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_ALT_OFFSET + 6 */
  272. #define CFG_ATA_ALT_OFFSET 0x008 /* Offset for alternate registers */
  273. #else /* IDE_USES_ISA_EMULATION */
  274. #define CFG_ATA_BASE_ADDR 0x79000000 /* start of ISA IO emulation */
  275. /* How many IDE busses are available */
  276. #define CFG_IDE_MAXBUS 1
  277. /* What IDE ports are available */
  278. #define CFG_ATA_IDE0_OFFSET 0x01F0 /* first is available */
  279. #undef CFG_ATA_IDE1_OFFSET /* second not available */
  280. /* access to the data port is calculated:
  281. CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_DATA_OFFSET + 0 */
  282. #define CFG_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */
  283. /* access to the registers is calculated:
  284. CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_REG_OFFSET + [1..7] */
  285. #define CFG_ATA_REG_OFFSET 0x0000 /* Offset for normal register accesses */
  286. /* access to the alternate register is calculated:
  287. CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_ALT_OFFSET + 6 */
  288. #define CFG_ATA_ALT_OFFSET 0x03F0 /* Offset for alternate registers */
  289. #endif /* IDE_USES_ISA_EMULATION */
  290. #endif
  291. /*
  292. #define CFG_KEY_REG_BASE_ADDR 0xF0100000
  293. #define CFG_IR_REG_BASE_ADDR 0xF0200000
  294. #define CFG_FPGA_REG_BASE_ADDR 0xF0300000
  295. */
  296. /*-----------------------------------------------------------------------
  297. * Start addresses for the final memory configuration
  298. * (Set up by the startup code)
  299. * Please note that CFG_SDRAM_BASE _must_ start at 0
  300. *
  301. * CFG_FLASH_BASE -> start address of internal flash
  302. * CFG_MONITOR_BASE -> start of u-boot
  303. */
  304. #ifndef __ASSEMBLER__
  305. extern unsigned long offsetOfBigFlash;
  306. extern unsigned long offsetOfEnvironment;
  307. #endif
  308. #define CFG_SDRAM_BASE 0x00000000
  309. #define CFG_FLASH_BASE 0xFFE00000
  310. #define CFG_MONITOR_BASE 0xFFFC0000 /* placed last 256k */
  311. #define CFG_MONITOR_LEN (224 * 1024) /* Reserve 224 KiB for Monitor */
  312. #define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 KiB for malloc() */
  313. /*
  314. * For booting Linux, the board info and command line data
  315. * have to be in the first 8 MiB of memory, since this is
  316. * the maximum mapped by the Linux kernel during initialization.
  317. */
  318. #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
  319. /*-----------------------------------------------------------------------
  320. * FLASH organization ## FIXME: lookup in datasheet
  321. */
  322. #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
  323. #define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
  324. #define CFG_FLASH_CFI /* flash is CFI compat. */
  325. #define CFG_FLASH_CFI_DRIVER /* Use common CFI driver*/
  326. #define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector */
  327. #define CFG_FLASH_QUIET_TEST 1 /* don't warn upon unknown flash*/
  328. #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
  329. #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
  330. #define CFG_WRITE_SWAPPED_DATA /* swap Databytes between reading/writing */
  331. #define CFG_ENV_IS_IN_FLASH 1
  332. #if CFG_ENV_IS_IN_FLASH
  333. #define CFG_ENV_OFFSET 0x00000000 /* Offset of Environment Sector in bottom type */
  334. #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
  335. #define CFG_ENV_SECT_SIZE 0x4000 /* see README - env sector total size */
  336. /* Address and size of Redundant Environment Sector */
  337. #define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SIZE)
  338. #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
  339. #endif
  340. /* let us changing anything in our environment */
  341. #define CONFIG_ENV_OVERWRITE
  342. /*
  343. * NAND-FLASH stuff
  344. */
  345. #define CFG_MAX_NAND_DEVICE 1
  346. #define NAND_MAX_CHIPS 1
  347. #define CFG_NAND_BASE 0x77D00000
  348. #define CONFIG_JFFS2_NAND 1 /* jffs2 on nand support */
  349. /* No command line, one static partition */
  350. #undef CONFIG_JFFS2_CMDLINE
  351. #define CONFIG_JFFS2_DEV "nand0"
  352. #define CONFIG_JFFS2_PART_SIZE 0x01000000
  353. #define CONFIG_JFFS2_PART_OFFSET 0x00000000
  354. /*-----------------------------------------------------------------------
  355. * Cache Configuration
  356. *
  357. * CFG_DCACHE_SIZE -> size of data cache:
  358. * - 405GP 8k
  359. * - 405GPr 16k
  360. * How to handle the difference in chache size?
  361. * CFG_CACHELINE_SIZE -> size of one cache line: 32 bytes
  362. * (used in cpu/ppc4xx/start.S)
  363. */
  364. #define CFG_DCACHE_SIZE 16384
  365. #define CFG_CACHELINE_SIZE 32
  366. #if defined(CONFIG_CMD_KGDB)
  367. #define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
  368. #endif
  369. /*
  370. * Init Memory Controller:
  371. *
  372. */
  373. #define FLASH_BASE0_PRELIM CFG_FLASH_BASE
  374. #define FLASH_BASE1_PRELIM 0
  375. /*-----------------------------------------------------------------------
  376. * Some informations about the internal SRAM (OCM=On Chip Memory)
  377. *
  378. * CFG_OCM_DATA_ADDR -> location
  379. * CFG_OCM_DATA_SIZE -> size
  380. */
  381. #define CFG_TEMP_STACK_OCM 1
  382. #define CFG_OCM_DATA_ADDR 0xF8000000
  383. #define CFG_OCM_DATA_SIZE 0x1000
  384. /*-----------------------------------------------------------------------
  385. * Definitions for initial stack pointer and data area (in DPRAM):
  386. * - we are using the internal 4k SRAM, so we don't need data cache mapping
  387. * - internal SRAM (OCM=On Chip Memory) is placed to CFG_OCM_DATA_ADDR
  388. * - Stackpointer will be located to
  389. * (CFG_INIT_RAM_ADDR&0xFFFF0000) | (CFG_INIT_SP_OFFSET&0x0000FFFF)
  390. * in cpu/ppc4xx/start.S
  391. */
  392. #undef CFG_INIT_DCACHE_CS
  393. /* Where the internal SRAM starts */
  394. #define CFG_INIT_RAM_ADDR CFG_OCM_DATA_ADDR
  395. /* Where the internal SRAM ends (only offset) */
  396. #define CFG_INIT_RAM_END 0x0F00
  397. /*
  398. CFG_INIT_RAM_ADDR ------> ------------ lower address
  399. | |
  400. | ^ |
  401. | | |
  402. | | Stack |
  403. CFG_GBL_DATA_OFFSET ----> ------------
  404. | |
  405. | 64 Bytes |
  406. | |
  407. CFG_INIT_RAM_END ------> ------------ higher address
  408. (offset only)
  409. */
  410. /* size in bytes reserved for initial data */
  411. #define CFG_GBL_DATA_SIZE 64
  412. #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
  413. /* Initial value of the stack pointern in internal SRAM */
  414. #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
  415. /*
  416. * Internal Definitions
  417. *
  418. * Boot Flags
  419. */
  420. #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
  421. #define BOOTFLAG_WARM 0x02 /* Software reboot */
  422. /* ################################################################################### */
  423. /* These defines will be used in cpu/ppc4xx/cpu_init.c to setup external chip selects */
  424. /* They are currently undefined cause they are initiaized in board/solidcard3/init.S */
  425. /* This chip select accesses the boot device */
  426. /* It depends on boot select switch if this device is 16 or 8 bit */
  427. #undef CFG_EBC_PB0AP
  428. #undef CFG_EBC_PB0CR
  429. #undef CFG_EBC_PB1AP
  430. #undef CFG_EBC_PB1CR
  431. #undef CFG_EBC_PB2AP
  432. #undef CFG_EBC_PB2CR
  433. #undef CFG_EBC_PB3AP
  434. #undef CFG_EBC_PB3CR
  435. #undef CFG_EBC_PB4AP
  436. #undef CFG_EBC_PB4CR
  437. #undef CFG_EBC_PB5AP
  438. #undef CFG_EBC_PB5CR
  439. #undef CFG_EBC_PB6AP
  440. #undef CFG_EBC_PB6CR
  441. #undef CFG_EBC_PB7AP
  442. #undef CFG_EBC_PB7CR
  443. #define CFG_EBC_CFG 0xb84ef000
  444. #define CONFIG_SDRAM_BANK0 /* use the standard SDRAM initialization */
  445. #undef CONFIG_SPD_EEPROM
  446. /*
  447. * Define this to get more information about system configuration
  448. */
  449. /* #define SC3_DEBUGOUT */
  450. #undef SC3_DEBUGOUT
  451. /***********************************************************************
  452. * External peripheral base address
  453. ***********************************************************************/
  454. #define CFG_ISA_MEM_BASE_ADDRESS 0x78000000
  455. /*
  456. Die Grafik-Treiber greifen über die Adresse in diesem Macro auf den Chip zu.
  457. Das funktioniert bei deren Karten, weil sie eine PCI-Bridge benutzen, die
  458. das gleiche Mapping durchführen kann, wie der SC520 (also Aufteilen von IO-Zugriffen
  459. auf ISA- und PCI-Zyklen)
  460. */
  461. #define CFG_ISA_IO_BASE_ADDRESS 0xE8000000
  462. /*#define CFG_ISA_IO_BASE_ADDRESS 0x79000000 */
  463. /************************************************************
  464. * Video support
  465. ************************************************************/
  466. #ifdef USE_VGA_GRAPHICS
  467. #define CONFIG_VIDEO /* To enable video controller support */
  468. #define CONFIG_VIDEO_CT69000
  469. #define CONFIG_CFB_CONSOLE
  470. /* #define CONFIG_VIDEO_LOGO */
  471. #define CONFIG_VGA_AS_SINGLE_DEVICE
  472. #define CONFIG_VIDEO_SW_CURSOR
  473. /* #define CONFIG_VIDEO_HW_CURSOR */
  474. #define CONFIG_VIDEO_ONBOARD /* Video controller is on-board */
  475. #define VIDEO_HW_RECTFILL
  476. #define VIDEO_HW_BITBLT
  477. #endif
  478. /************************************************************
  479. * Ident
  480. ************************************************************/
  481. #define CONFIG_SC3_VERSION "r1.4"
  482. #define POST_OUT(x) (*((volatile unsigned char*)(0x79000080))=x)
  483. #endif /* __CONFIG_H */