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_SOLIDCARD3 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 your CONFIG_COMMANDS macro includes
  66. * the CFG_CMD_IDE macro!
  67. */
  68. #define IDE_USES_ISA_EMULATION
  69. /*-----------------------------------------------------------------------
  70. * Serial Port
  71. *----------------------------------------------------------------------*/
  72. #define CONFIG_SERIAL_MULTI
  73. #undef CONFIG_SERIAL_SOFTWARE_FIFO
  74. /*
  75. * define CONFIG_POWER_DOWN if your cpu should power down while waiting for your input
  76. * Works only, if you have enabled the CONFIG_SERIAL_SOFTWARE_FIFO feature
  77. */
  78. #if CONFIG_SERIAL_SOFTWARE_FIFO
  79. #define CONFIG_POWER_DOWN
  80. #endif
  81. /*
  82. * define CONFIG_SYS_CLK_FREQ to your base crystal clock in Hz
  83. */
  84. #define CONFIG_SYS_CLK_FREQ 33333333
  85. /*
  86. * define CONFIG_BAUDRATE to the baudrate value you want to use as default
  87. */
  88. #define CONFIG_BAUDRATE 115200
  89. #define CONFIG_BOOTDELAY 3 /* autoboot after 3 seconds */
  90. #define CONFIG_PREBOOT "echo;" \
  91. "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
  92. "echo"
  93. #undef CONFIG_BOOTARGS
  94. #define CONFIG_EXTRA_ENV_SETTINGS \
  95. "netdev=eth0\0" \
  96. "nfsargs=setenv bootargs root=/dev/nfs rw " \
  97. "nfsroot=${serverip}:${rootpath}\0" \
  98. "ramargs=setenv bootargs root=/dev/ram rw\0" \
  99. "nand_args=setenv bootargs root=/dev/mtdblock5 rw" \
  100. "rootfstype=jffs2\0" \
  101. "addip=setenv bootargs ${bootargs} " \
  102. "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
  103. ":${hostname}:${netdev}:off panic=1\0" \
  104. "flash_nfs=run nfsargs addip;" \
  105. "bootm ${kernel_addr}\0" \
  106. "flash_nand=nand_args addip addcon;bootm ${kernel_addr}\0" \
  107. "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
  108. "rootpath=/opt/eldk/ppc_4xx\0" \
  109. "bootfile=/tftpboot/sc3/uImage\0" \
  110. "u-boot=/tftpboot/sc3/u-boot.bin\0" \
  111. "setup=tftp 200000 /tftpboot/sc3/setup.img;autoscr 200000\0" \
  112. "kernel_addr=FFE08000\0" \
  113. ""
  114. #undef CONFIG_BOOTCOMMAND
  115. #define CONFIG_SILENT_CONSOLE 1 /* enable silent startup */
  116. #define CFG_DEVICE_NULLDEV 1 /* include nulldev device */
  117. #if 1 /* feel free to disable for development */
  118. #define CONFIG_AUTOBOOT_KEYED /* Enable password protection */
  119. #define CONFIG_AUTOBOOT_PROMPT "\nSC3 - booting... stop with S\n"
  120. #define CONFIG_AUTOBOOT_DELAY_STR "S" /* 1st "password" */
  121. #endif
  122. /*
  123. * define CONFIG_BOOTCOMMAND to the autoboot commands. They will running after
  124. * the CONFIG_BOOTDELAY delay to boot your machine
  125. */
  126. #define CONFIG_BOOTCOMMAND "bootp;dcache on;bootm"
  127. /*
  128. * define CONFIG_BOOTARGS to the default kernel parameters. They will used if you don't
  129. * set different values at the u-boot prompt
  130. */
  131. #ifdef USE_VGA_GRAPHICS
  132. #define CONFIG_BOOTARGS "root=/dev/nfs rw ip=bootp nfsroot=/tftpboot/solidcard3re"
  133. #else
  134. #define CONFIG_BOOTARGS "console=ttyS0,115200 root=/dev/nfs rw ip=bootp"
  135. #endif
  136. /*
  137. * Is the USB host controller assembled? If yes define CONFIG_ISP1161_PRESENT
  138. * This reserves memory bank #4 for this purpose
  139. */
  140. #undef CONFIG_ISP1161_PRESENT
  141. #undef CONFIG_LOADS_ECHO /* no echo on for serial download */
  142. #define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
  143. #define CONFIG_NET_MULTI
  144. /* #define CONFIG_EEPRO100_SROM_WRITE */
  145. /* #define CONFIG_SHOW_MAC */
  146. #define CONFIG_EEPRO100
  147. #define CONFIG_MII 1 /* add 405GP MII PHY management */
  148. #define CONFIG_PHY_ADDR 1 /* the connected Phy defaults to address 1 */
  149. #define CONFIG_COMMANDS \
  150. (CONFIG_CMD_DFL | \
  151. CFG_CMD_PCI | \
  152. CFG_CMD_IRQ | \
  153. CFG_CMD_NET | \
  154. CFG_CMD_MII | \
  155. CFG_CMD_PING | \
  156. CFG_CMD_NAND | \
  157. CFG_CMD_JFFS2 | \
  158. CFG_CMD_I2C | \
  159. CFG_CMD_IDE | \
  160. CFG_CMD_DATE | \
  161. CFG_CMD_DHCP | \
  162. CFG_CMD_CACHE | \
  163. CFG_CMD_ELF )
  164. /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
  165. #include <cmd_confdefs.h>
  166. #undef CONFIG_WATCHDOG /* watchdog disabled */
  167. /*
  168. * Miscellaneous configurable options
  169. */
  170. #define CFG_LONGHELP 1 /* undef to save memory */
  171. #define CFG_PROMPT "SC3> " /* Monitor Command Prompt */
  172. #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
  173. #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
  174. #define CFG_MAXARGS 16 /* max number of command args */
  175. #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
  176. #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
  177. #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
  178. /*
  179. * If CFG_EXT_SERIAL_CLOCK, then the UART divisor is 1.
  180. * If CFG_405_UART_ERRATA_59, then UART divisor is 31.
  181. * Otherwise, UART divisor is determined by CPU Clock and CFG_BASE_BAUD value.
  182. * The Linux BASE_BAUD define should match this configuration.
  183. * baseBaud = cpuClock/(uartDivisor*16)
  184. * If CFG_405_UART_ERRATA_59 and 200MHz CPU clock,
  185. * set Linux BASE_BAUD to 403200.
  186. *
  187. * Consider the OPB clock! If it get lower the BASE_BAUD must be lower to
  188. * (see 405GP datasheet for descritpion)
  189. */
  190. #undef CFG_EXT_SERIAL_CLOCK /* external serial clock */
  191. #undef CFG_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */
  192. #define CFG_BASE_BAUD 921600 /* internal clock */
  193. /* The following table includes the supported baudrates */
  194. #define CFG_BAUDRATE_TABLE \
  195. {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
  196. #define CFG_LOAD_ADDR 0x1000000 /* default load address */
  197. #define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */
  198. #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
  199. /*-----------------------------------------------------------------------
  200. * IIC stuff
  201. *-----------------------------------------------------------------------
  202. */
  203. #define CONFIG_HARD_I2C /* I2C with hardware support */
  204. #undef CONFIG_SOFT_I2C /* I2C bit-banged */
  205. #define I2C_INIT
  206. #define I2C_ACTIVE 0
  207. #define I2C_TRISTATE 0
  208. #define CFG_I2C_SPEED 100000 /* use the standard 100kHz speed */
  209. #define CFG_I2C_SLAVE 0x7F /* mask valid bits */
  210. #define CONFIG_RTC_DS1337
  211. #define CFG_I2C_RTC_ADDR 0x68
  212. /*-----------------------------------------------------------------------
  213. * PCI stuff
  214. *-----------------------------------------------------------------------
  215. */
  216. #define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */
  217. #define PCI_HOST_FORCE 1 /* configure as pci host */
  218. #define PCI_HOST_AUTO 2 /* detected via arbiter enable */
  219. #define CONFIG_PCI /* include pci support */
  220. #define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */
  221. #define CONFIG_PCI_PNP /* do pci plug-and-play */
  222. /* resource configuration */
  223. /* If you want to see, whats connected to your PCI bus */
  224. /* #define CONFIG_PCI_SCAN_SHOW */
  225. #define CFG_PCI_SUBSYS_VENDORID 0x0000 /* PCI Vendor ID: to-do!!! */
  226. #define CFG_PCI_SUBSYS_DEVICEID 0x0000 /* PCI Device ID: to-do!!! */
  227. #define CFG_PCI_PTM1LA 0x00000000 /* point to sdram */
  228. #define CFG_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */
  229. #define CFG_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */
  230. #define CFG_PCI_PTM2LA 0x00000000 /* disabled */
  231. #define CFG_PCI_PTM2MS 0x00000000 /* disabled */
  232. #define CFG_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */
  233. /*-----------------------------------------------------------------------
  234. * External peripheral base address
  235. *-----------------------------------------------------------------------
  236. */
  237. #if !(CONFIG_COMMANDS & CFG_CMD_IDE)
  238. #undef CONFIG_IDE_LED /* no led for ide supported */
  239. #undef CONFIG_IDE_RESET /* no reset for ide supported */
  240. /*-----------------------------------------------------------------------
  241. * IDE/ATA stuff
  242. *-----------------------------------------------------------------------
  243. */
  244. #else /* !(CONFIG_COMMANDS & CFG_CMD_IDE) */
  245. #define CONFIG_START_IDE 1 /* check, if use IDE */
  246. #undef CONFIG_IDE_8xx_DIRECT /* no pcmcia interface required */
  247. #undef CONFIG_IDE_LED /* no led for ide supported */
  248. #undef CONFIG_IDE_RESET /* no reset for ide supported */
  249. #define CONFIG_ATAPI
  250. #define CONFIG_DOS_PARTITION
  251. #define CFG_IDE_MAXDEVICE (CFG_IDE_MAXBUS*1) /* max. 1 drives per IDE bus */
  252. #ifndef IDE_USES_ISA_EMULATION
  253. /* New and faster access */
  254. #define CFG_ATA_BASE_ADDR 0x7A000000 /* start of ISA IO emulation */
  255. /* How many IDE busses are available */
  256. #define CFG_IDE_MAXBUS 1
  257. /* What IDE ports are available */
  258. #define CFG_ATA_IDE0_OFFSET 0x000 /* first is available */
  259. #undef CFG_ATA_IDE1_OFFSET /* second not available */
  260. /* access to the data port is calculated:
  261. CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_DATA_OFFSET + 0 */
  262. #define CFG_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */
  263. /* access to the registers is calculated:
  264. CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_REG_OFFSET + [1..7] */
  265. #define CFG_ATA_REG_OFFSET 0x0000 /* Offset for normal register accesses */
  266. /* access to the alternate register is calculated:
  267. CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_ALT_OFFSET + 6 */
  268. #define CFG_ATA_ALT_OFFSET 0x008 /* Offset for alternate registers */
  269. #else /* IDE_USES_ISA_EMULATION */
  270. #define CFG_ATA_BASE_ADDR 0x79000000 /* start of ISA IO emulation */
  271. /* How many IDE busses are available */
  272. #define CFG_IDE_MAXBUS 1
  273. /* What IDE ports are available */
  274. #define CFG_ATA_IDE0_OFFSET 0x01F0 /* first is available */
  275. #undef CFG_ATA_IDE1_OFFSET /* second not available */
  276. /* access to the data port is calculated:
  277. CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_DATA_OFFSET + 0 */
  278. #define CFG_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */
  279. /* access to the registers is calculated:
  280. CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_REG_OFFSET + [1..7] */
  281. #define CFG_ATA_REG_OFFSET 0x0000 /* Offset for normal register accesses */
  282. /* access to the alternate register is calculated:
  283. CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_ALT_OFFSET + 6 */
  284. #define CFG_ATA_ALT_OFFSET 0x03F0 /* Offset for alternate registers */
  285. #endif /* IDE_USES_ISA_EMULATION */
  286. #endif /* !(CONFIG_COMMANDS & CFG_CMD_IDE) */
  287. /*
  288. #define CFG_KEY_REG_BASE_ADDR 0xF0100000
  289. #define CFG_IR_REG_BASE_ADDR 0xF0200000
  290. #define CFG_FPGA_REG_BASE_ADDR 0xF0300000
  291. */
  292. /*-----------------------------------------------------------------------
  293. * Start addresses for the final memory configuration
  294. * (Set up by the startup code)
  295. * Please note that CFG_SDRAM_BASE _must_ start at 0
  296. *
  297. * CFG_FLASH_BASE -> start address of internal flash
  298. * CFG_MONITOR_BASE -> start of u-boot
  299. */
  300. #ifndef __ASSEMBLER__
  301. extern unsigned long offsetOfBigFlash;
  302. extern unsigned long offsetOfEnvironment;
  303. #endif
  304. #define CFG_SDRAM_BASE 0x00000000
  305. #define CFG_FLASH_BASE 0xFFE00000
  306. #define CFG_MONITOR_BASE 0xFFFC0000 /* placed last 256k */
  307. #define CFG_MONITOR_LEN (224 * 1024) /* Reserve 224 KiB for Monitor */
  308. #define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 KiB for malloc() */
  309. /*
  310. * For booting Linux, the board info and command line data
  311. * have to be in the first 8 MiB of memory, since this is
  312. * the maximum mapped by the Linux kernel during initialization.
  313. */
  314. #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
  315. /*-----------------------------------------------------------------------
  316. * FLASH organization ## FIXME: lookup in datasheet
  317. */
  318. #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
  319. #define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
  320. #define CFG_FLASH_CFI /* flash is CFI compat. */
  321. #define CFG_FLASH_CFI_DRIVER /* Use common CFI driver*/
  322. #define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector */
  323. #define CFG_FLASH_QUIET_TEST 1 /* don't warn upon unknown flash*/
  324. #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
  325. #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
  326. #define CFG_WRITE_SWAPPED_DATA /* swap Databytes between reading/writing */
  327. #define CFG_ENV_IS_IN_FLASH 1
  328. #if CFG_ENV_IS_IN_FLASH
  329. #define CFG_ENV_OFFSET 0x00000000 /* Offset of Environment Sector in bottom type */
  330. #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
  331. #define CFG_ENV_SECT_SIZE 0x4000 /* see README - env sector total size */
  332. /* Address and size of Redundant Environment Sector */
  333. #define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SIZE)
  334. #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
  335. #endif
  336. /* let us changing anything in our environment */
  337. #define CONFIG_ENV_OVERWRITE
  338. /*
  339. * NAND-FLASH stuff
  340. */
  341. #define CFG_MAX_NAND_DEVICE 1
  342. #define NAND_MAX_CHIPS 1
  343. #define CFG_NAND_BASE 0x77D00000
  344. #define CONFIG_JFFS2_NAND 1 /* jffs2 on nand support */
  345. /* No command line, one static partition Partition 3 contains jffs2 rootfs */
  346. #undef CONFIG_JFFS2_CMDLINE
  347. #define CONFIG_JFFS2_DEV "nand0"
  348. #define CONFIG_JFFS2_PART_SIZE 0x00400000
  349. #define CONFIG_JFFS2_PART_OFFSET 0x00c00000
  350. /*-----------------------------------------------------------------------
  351. * Cache Configuration
  352. *
  353. * CFG_DCACHE_SIZE -> size of data cache:
  354. * - 405GP 8k
  355. * - 405GPr 16k
  356. * How to handle the difference in chache size?
  357. * CFG_CACHELINE_SIZE -> size of one cache line: 32 bytes
  358. * (used in cpu/ppc4xx/start.S)
  359. */
  360. #define CFG_DCACHE_SIZE 16384
  361. #define CFG_CACHELINE_SIZE 32
  362. #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
  363. #define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
  364. #endif
  365. /*
  366. * Init Memory Controller:
  367. *
  368. */
  369. #define FLASH_BASE0_PRELIM CFG_FLASH_BASE
  370. #define FLASH_BASE1_PRELIM 0
  371. /*-----------------------------------------------------------------------
  372. * Some informations about the internal SRAM (OCM=On Chip Memory)
  373. *
  374. * CFG_OCM_DATA_ADDR -> location
  375. * CFG_OCM_DATA_SIZE -> size
  376. */
  377. #define CFG_TEMP_STACK_OCM 1
  378. #define CFG_OCM_DATA_ADDR 0xF8000000
  379. #define CFG_OCM_DATA_SIZE 0x1000
  380. /*-----------------------------------------------------------------------
  381. * Definitions for initial stack pointer and data area (in DPRAM):
  382. * - we are using the internal 4k SRAM, so we don't need data cache mapping
  383. * - internal SRAM (OCM=On Chip Memory) is placed to CFG_OCM_DATA_ADDR
  384. * - Stackpointer will be located to
  385. * (CFG_INIT_RAM_ADDR&0xFFFF0000) | (CFG_INIT_SP_OFFSET&0x0000FFFF)
  386. * in cpu/ppc4xx/start.S
  387. */
  388. #undef CFG_INIT_DCACHE_CS
  389. /* Where the internal SRAM starts */
  390. #define CFG_INIT_RAM_ADDR CFG_OCM_DATA_ADDR
  391. /* Where the internal SRAM ends (only offset) */
  392. #define CFG_INIT_RAM_END 0x0F00
  393. /*
  394. CFG_INIT_RAM_ADDR ------> ------------ lower address
  395. | |
  396. | ^ |
  397. | | |
  398. | | Stack |
  399. CFG_GBL_DATA_OFFSET ----> ------------
  400. | |
  401. | 64 Bytes |
  402. | |
  403. CFG_INIT_RAM_END ------> ------------ higher address
  404. (offset only)
  405. */
  406. /* size in bytes reserved for initial data */
  407. #define CFG_GBL_DATA_SIZE 64
  408. #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
  409. /* Initial value of the stack pointern in internal SRAM */
  410. #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
  411. /*
  412. * Internal Definitions
  413. *
  414. * Boot Flags
  415. */
  416. #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
  417. #define BOOTFLAG_WARM 0x02 /* Software reboot */
  418. /* ################################################################################### */
  419. /* These defines will be used in cpu/ppc4xx/cpu_init.c to setup external chip selects */
  420. /* They are currently undefined cause they are initiaized in board/solidcard3/init.S */
  421. /* This chip select accesses the boot device */
  422. /* It depends on boot select switch if this device is 16 or 8 bit */
  423. #undef CFG_EBC_PB0AP
  424. #undef CFG_EBC_PB0CR
  425. #undef CFG_EBC_PB1AP
  426. #undef CFG_EBC_PB1CR
  427. #undef CFG_EBC_PB2AP
  428. #undef CFG_EBC_PB2CR
  429. #undef CFG_EBC_PB3AP
  430. #undef CFG_EBC_PB3CR
  431. #undef CFG_EBC_PB4AP
  432. #undef CFG_EBC_PB4CR
  433. #undef CFG_EBC_PB5AP
  434. #undef CFG_EBC_PB5CR
  435. #undef CFG_EBC_PB6AP
  436. #undef CFG_EBC_PB6CR
  437. #undef CFG_EBC_PB7AP
  438. #undef CFG_EBC_PB7CR
  439. #define CFG_EBC_CFG 0xb84ef000
  440. #define CONFIG_SDRAM_BANK0 /* use the standard SDRAM initialization */
  441. #undef CONFIG_SPD_EEPROM
  442. /*
  443. * Define this to get more information about system configuration
  444. */
  445. /* #define SC3_DEBUGOUT */
  446. #undef SC3_DEBUGOUT
  447. /***********************************************************************
  448. * External peripheral base address
  449. ***********************************************************************/
  450. #define CFG_ISA_MEM_BASE_ADDRESS 0x78000000
  451. /*
  452. Die Grafik-Treiber greifen über die Adresse in diesem Macro auf den Chip zu.
  453. Das funktioniert bei deren Karten, weil sie eine PCI-Bridge benutzen, die
  454. das gleiche Mapping durchführen kann, wie der SC520 (also Aufteilen von IO-Zugriffen
  455. auf ISA- und PCI-Zyklen)
  456. */
  457. #define CFG_ISA_IO_BASE_ADDRESS 0xE8000000
  458. /*#define CFG_ISA_IO_BASE_ADDRESS 0x79000000 */
  459. /************************************************************
  460. * Video support
  461. ************************************************************/
  462. #ifdef USE_VGA_GRAPHICS
  463. #define CONFIG_VIDEO /* To enable video controller support */
  464. #define CONFIG_VIDEO_CT69000
  465. #define CONFIG_CFB_CONSOLE
  466. /* #define CONFIG_VIDEO_LOGO */
  467. #define CONFIG_VGA_AS_SINGLE_DEVICE
  468. #define CONFIG_VIDEO_SW_CURSOR
  469. /* #define CONFIG_VIDEO_HW_CURSOR */
  470. #define CONFIG_VIDEO_ONBOARD /* Video controller is on-board */
  471. #define VIDEO_HW_RECTFILL
  472. #define VIDEO_HW_BITBLT
  473. #endif
  474. /************************************************************
  475. * Ident
  476. ************************************************************/
  477. #define CONFIG_SC3_VERSION "r1.4"
  478. #define POST_OUT(x) (*((volatile unsigned char*)(0x79000080))=x)
  479. #endif /* __CONFIG_H */