QS823.h 20 KB

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  1. /*
  2. * (C) Copyright 2003
  3. * MuLogic B.V.
  4. *
  5. * (C) Copyright 2002
  6. * Simple Network Magic Corporation
  7. *
  8. * (C) Copyright 2000
  9. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  10. *
  11. * See file CREDITS for list of people who contributed to this
  12. * project.
  13. *
  14. * This program is free software; you can redistribute it and/or
  15. * modify it under the terms of the GNU General Public License as
  16. * published by the Free Software Foundation; either version 2 of
  17. * the License, or (at your option) any later version.
  18. *
  19. * This program is distributed in the hope that it will be useful,
  20. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  22. * GNU General Public License for more details.
  23. *
  24. * You should have received a copy of the GNU General Public License
  25. * along with this program; if not, write to the Free Software
  26. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  27. * MA 02111-1307 USA
  28. */
  29. /*
  30. * board/config.h - configuration options, board specific
  31. */
  32. #ifndef __CONFIG_H
  33. #define __CONFIG_H
  34. /* various debug settings */
  35. #undef CFG_DEVICE_NULLDEV /* null device */
  36. #undef CONFIG_SILENT_CONSOLE /* silent console */
  37. #undef CFG_CONSOLE_INFO_QUIET /* silent console ? */
  38. #undef DEBUG /* debug output code */
  39. #undef DEBUG_FLASH /* debug flash code */
  40. #undef FLASH_DEBUG /* debug fash code */
  41. #undef DEBUG_ENV /* debug environment code */
  42. #define CFG_DIRECT_FLASH_TFTP 1 /* allow direct tftp to flash */
  43. #define CONFIG_ENV_OVERWRITE 1 /* allow overwrite MAC address */
  44. /*
  45. * High Level Configuration Options
  46. * (easy to change)
  47. */
  48. #define CONFIG_MPC823 1 /* This is a MPC823 CPU */
  49. #define CONFIG_QS823 1 /* ...on a QS823 module */
  50. #define CONFIG_SCC2_ENET 1 /* SCC2 10BaseT ethernet */
  51. /* Select the target clock speed */
  52. #undef CONFIG_CLOCK_16MHZ /* cpu=16,777,216 Hz, mem=16Mhz */
  53. #undef CONFIG_CLOCK_33MHZ /* cpu=33,554,432 Hz, mem=33Mhz */
  54. #undef CONFIG_CLOCK_50MHZ /* cpu=49,971,200 Hz, mem=33Mhz */
  55. #define CONFIG_CLOCK_66MHZ 1 /* cpu=67,108,864 Hz, mem=66Mhz */
  56. #undef CONFIG_CLOCK_80MHZ /* cpu=79,986,688 Hz, mem=33Mhz */
  57. #ifdef CONFIG_CLOCK_16MHZ
  58. #define CONFIG_CLOCK_MULT 512
  59. #endif
  60. #ifdef CONFIG_CLOCK_33MHZ
  61. #define CONFIG_CLOCK_MULT 1024
  62. #endif
  63. #ifdef CONFIG_CLOCK_50MHZ
  64. #define CONFIG_CLOCK_MULT 1525
  65. #endif
  66. #ifdef CONFIG_CLOCK_66MHZ
  67. #define CONFIG_CLOCK_MULT 2048
  68. #endif
  69. #ifdef CONFIG_CLOCK_80MHZ
  70. #define CONFIG_CLOCK_MULT 2441
  71. #endif
  72. /* choose flash size, 4Mb or 8Mb */
  73. #define CONFIG_FLASH_4MB 1 /* board has 4Mb flash */
  74. #undef CONFIG_FLASH_8MB /* board has 8Mb flash */
  75. #define CONFIG_CLOCK_BASE 32768 /* Base clock input freq */
  76. #undef CONFIG_8xx_CONS_SMC1
  77. #define CONFIG_8xx_CONS_SMC2 1 /* Console is on SMC2 */
  78. #undef CONFIG_8xx_CONS_NONE
  79. #define CONFIG_BAUDRATE 38400 /* console baudrate = 38.4kbps */
  80. #undef CONFIG_CLOCKS_IN_MHZ /* clocks passsed to Linux in MHz */
  81. /* Define default IP addresses */
  82. #define CONFIG_IPADDR 192.168.1.99 /* own ip address */
  83. #define CONFIG_SERVERIP 192.168.1.19 /* used for tftp (not nfs?) */
  84. /* message to say directly after booting */
  85. #define CONFIG_PREBOOT "echo '';" \
  86. "echo 'type:';" \
  87. "echo 'run boot_nfs to boot to NFS';" \
  88. "echo 'run boot_flash to boot to flash';" \
  89. "echo '';" \
  90. "echo 'run flash_rootfs to install a new rootfs';" \
  91. "echo 'run flash_env to clear the env sector';" \
  92. "echo 'run flash_rw to clear the rw fs';" \
  93. "echo 'run flash_uboot to install a new u-boot';" \
  94. "echo 'run flash_kernel to install a new kernel';"
  95. /* wait 5 seconds before executing CONFIG_BOOTCOMMAND */
  96. #define CONFIG_BOOTDELAY 5
  97. #define CONFIG_BOOTCOMMAND "run boot_nfs"
  98. #undef CONFIG_BOOTARGS /* made by set_nfs of set_flash */
  99. /* Our flash filesystem looks like this
  100. *
  101. * 4Mb board:
  102. * ffc0 0000 - ffeb ffff root filesystem (jffs2) (~3Mb)
  103. * ffec 0000 - ffed ffff read-write filesystem (ext2)
  104. * ffee 0000 - ffef ffff environment
  105. * fff0 0000 - fff1 ffff u-boot
  106. * fff2 0000 - ffff ffff linux kernel
  107. *
  108. * 8Mb board:
  109. * ff80 0000 - ffeb ffff root filesystem (jffs2) (~7Mb)
  110. * ffec 0000 - ffed ffff read-write filesystem (ext2)
  111. * ffee 0000 - ffef ffff environment
  112. * fff0 0000 - fff1 ffff u-boot
  113. * fff2 0000 - ffff ffff linux kernel
  114. *
  115. */
  116. /* environment for 4Mb board */
  117. #ifdef CONFIG_FLASH_4MB
  118. #define CONFIG_EXTRA_ENV_SETTINGS \
  119. "serial#=QS823\0" \
  120. "hostname=qs823\0" \
  121. "netdev=eth0\0" \
  122. "ethaddr=00:01:02:B4:36:56\0" \
  123. "rootpath=/exports/rootfs\0" \
  124. "mtdparts=mtdparts=phys:2816k(root),128k(rw),128k(env),128k(u-boot),-(kernel)\0" \
  125. /* fill in variables */ \
  126. "set_ip=setenv ip ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off\0" \
  127. "set_nfs=setenv bootargs root=/dev/nfs rw nfsroot=$serverip:$rootpath $ip init=/sbin/init $mtdparts\0" \
  128. "set_flash=setenv bootargs root=/dev/mtdblock1 ro $ip init=/sbin/init $mtdparts\0" \
  129. /* commands */ \
  130. "boot_nfs=run set_ip; run set_nfs; tftp 0x400000 /tftpboot/vmlinux.UBoot; bootm 0x400000\0" \
  131. "boot_flash=run set_ip; run set_flash; bootm fff20000\0" \
  132. /* reinstall flash parts */ \
  133. "flash_rootfs=protect off ffc00000 ffebffff; era ffc00000 ffebffff; tftp ffc00000 /tftpboot/rootfs.jffs2\0" \
  134. "flash_rw=protect off ffec0000 ffedffff; era ffec0000 ffedffff\0" \
  135. "flash_env=protect off ffee0000 ffefffff; era ffee0000 ffefffff\0" \
  136. "flash_uboot=protect off fff00000 fff1ffff; era fff00000 fff1ffff; tftp fff00000 /tftpboot/u-boot.4mb.bin\0" \
  137. "flash_kernel=protect off fff20000 ffffffff; era fff20000 ffffffff; tftp fff20000 /tftpboot/vmlinux.UBoot\0"
  138. #endif /* CONFIG_FLASH_4MB */
  139. /* environment for 8Mb board */
  140. #ifdef CONFIG_FLASH_8MB
  141. #define CONFIG_EXTRA_ENV_SETTINGS \
  142. "serial#=QS823\0" \
  143. "hostname=qs823\0" \
  144. "netdev=eth0\0" \
  145. "ethaddr=00:01:02:B4:36:56\0" \
  146. "rootpath=/exports/rootfs\0" \
  147. "mtdparts=mtdparts=phys:6912k(root),128k(rw),128k(env),128k(u-boot),-(kernel)\0" \
  148. /* fill in variables */ \
  149. "set_ip=setenv ip ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off\0" \
  150. "set_nfs=setenv bootargs root=/dev/nfs rw nfsroot=$serverip:$rootpath $ip init=/sbin/init $mtdparts\0" \
  151. "set_flash=setenv bootargs root=/dev/mtdblock1 ro $ip init=/sbin/init $mtdparts\0" \
  152. /* commands */ \
  153. "boot_nfs=run set_ip; run set_nfs; tftp 0x400000 /tftpboot/vmlinux.UBoot; bootm 0x400000\0" \
  154. "boot_flash=run set_ip; run set_flash; bootm fff20000\0" \
  155. /* reinstall flash parts */ \
  156. "flash_rootfs=protect off ff800000 ffebffff; era ff800000 ffebffff; tftp ff800000 /tftpboot/rootfs.jffs2\0" \
  157. "flash_rw=protect off ffec0000 ffedffff; era ffec0000 ffedffff\0" \
  158. "flash_env=protect off ffee0000 ffefffff; era ffee0000 ffefffff\0" \
  159. "flash_uboot=protect off fff00000 fff1ffff; era fff00000 fff1ffff; tftp fff00000 /tftpboot/u-boot.8mb.bin\0" \
  160. "flash_kernel=protect off fff20000 ffffffff; era fff20000 ffffffff; tftp fff20000 /tftpboot/vmlinux.UBoot\0"
  161. #endif /* CONFIG_FLASH_8MB */
  162. #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
  163. #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
  164. #undef CONFIG_WATCHDOG /* watchdog disabled */
  165. #undef CONFIG_STATUS_LED /* Status LED disabled */
  166. #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
  167. #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
  168. #undef CONFIG_MAC_PARTITION
  169. #undef CONFIG_DOS_PARTITION
  170. #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
  171. #define CONFIG_COMMANDS (CFG_CMD_BDI | \
  172. CFG_CMD_BOOTD | \
  173. CFG_CMD_CONSOLE | \
  174. CFG_CMD_DATE | \
  175. CFG_CMD_ENV | \
  176. CFG_CMD_FLASH | \
  177. CFG_CMD_IMI | \
  178. CFG_CMD_IMMAP | \
  179. CFG_CMD_MEMORY | \
  180. CFG_CMD_NET | \
  181. CFG_CMD_RUN)
  182. /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
  183. #include <cmd_confdefs.h>
  184. /*-----------------------------------------------------------------------
  185. * Environment variable storage is in FLASH, one sector before U-boot
  186. */
  187. #define CFG_ENV_IS_IN_FLASH 1
  188. #define CFG_ENV_SECT_SIZE 0x20000 /* 128Kb, one whole sector */
  189. #define CFG_ENV_SIZE 0x2000 /* 8kb */
  190. #define CFG_ENV_ADDR 0xffee0000 /* address of env sector */
  191. /*-----------------------------------------------------------------------
  192. * Miscellaneous configurable options
  193. */
  194. #define CFG_LONGHELP /* undef to save memory */
  195. #define CFG_PROMPT "=> " /* Monitor Command Prompt */
  196. #define CFG_HUSH_PARSER 1 /* use "hush" command parser */
  197. #define CFG_PROMPT_HUSH_PS2 "> "
  198. #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
  199. #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
  200. #else
  201. #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
  202. #endif
  203. #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
  204. #define CFG_MAXARGS 16 /* max number of command args */
  205. #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
  206. #define CFG_MEMTEST_START 0x0400000 /* memtest works */
  207. #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
  208. #define CFG_LOAD_ADDR 0x400000 /* default load address */
  209. #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
  210. #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
  211. /*-----------------------------------------------------------------------
  212. * Low Level Configuration Settings
  213. * (address mappings, register initial values, etc.)
  214. * You should know what you are doing if you make changes here.
  215. */
  216. /*-----------------------------------------------------------------------
  217. * Internal Memory Mapped Register
  218. */
  219. #define CFG_IMMR 0xFF000000
  220. /*-----------------------------------------------------------------------
  221. * Definitions for initial stack pointer and data area (in DPRAM)
  222. */
  223. #define CFG_INIT_RAM_ADDR CFG_IMMR
  224. #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
  225. #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
  226. #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
  227. #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
  228. /*-----------------------------------------------------------------------
  229. * Start addresses for the final memory configuration
  230. * (Set up by the startup code)
  231. * Please note that CFG_SDRAM_BASE _must_ start at 0
  232. */
  233. #define CFG_SDRAM_BASE 0x00000000
  234. #define CFG_FLASH_BASE 0xFF800000 /* Allow an 8Mbyte window */
  235. #define FLASH_BASE0_4M_PRELIM 0xFFC00000 /* Base for 4M Flash */
  236. #define FLASH_BASE0_8M_PRELIM 0xFF800000 /* Base for 8M Flash */
  237. #define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
  238. #define CFG_MONITOR_BASE 0xFFF00000 /* U-boot location */
  239. #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
  240. /*
  241. * For booting Linux, the board info and command line data
  242. * have to be in the first 8 MB of memory, since this is
  243. * the maximum mapped by the Linux kernel during initialization.
  244. */
  245. #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
  246. /*-----------------------------------------------------------------------
  247. * TODO flash parameters
  248. * FLASH organization for Intel Strataflash
  249. */
  250. #undef CFG_FLASH_16BIT /* 32-bit wide flash memory */
  251. #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
  252. #define CFG_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
  253. #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
  254. #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
  255. /*-----------------------------------------------------------------------
  256. * Cache Configuration
  257. */
  258. #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
  259. #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
  260. #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
  261. #endif
  262. /*-----------------------------------------------------------------------
  263. * SYPCR - System Protection Control 11-9
  264. * SYPCR can only be written once after reset!
  265. *-----------------------------------------------------------------------
  266. * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
  267. */
  268. #ifdef CONFIG_WATCHDOG
  269. #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWE | SYPCR_SWRI | SYPCR_SWP)
  270. #else
  271. #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWRI | SYPCR_SWP)
  272. #endif
  273. /*-----------------------------------------------------------------------
  274. * SIUMCR - SIU Module Configuration 11-6
  275. *-----------------------------------------------------------------------
  276. */
  277. #define CFG_SIUMCR (SIUMCR_DLK | SIUMCR_DPC | SIUMCR_MPRE | SIUMCR_MLRC01 | SIUMCR_GB5E)
  278. /*-----------------------------------------------------------------------
  279. * TBSCR - Time Base Status and Control 11-26
  280. *-----------------------------------------------------------------------
  281. */
  282. #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
  283. /*-----------------------------------------------------------------------
  284. * RTCSC - Real-Time Clock Status and Control Register 11-27
  285. *-----------------------------------------------------------------------
  286. */
  287. #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
  288. /*-----------------------------------------------------------------------
  289. * PISCR - Periodic Interrupt Status and Control 11-31
  290. *-----------------------------------------------------------------------
  291. */
  292. #define CFG_PISCR (PISCR_PS | PISCR_PITF)
  293. /*-----------------------------------------------------------------------
  294. * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
  295. *-----------------------------------------------------------------------
  296. */
  297. /* MF (Multiplication Factor of SPLL) */
  298. /* Sets the QS823 to specified clock from 32KHz clock at EXTAL. */
  299. #define vPLPRCR_MF ((CONFIG_CLOCK_MULT+1) << 20)
  300. #define CFG_PLPRCR (vPLPRCR_MF | PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST | PLPRCR_LOLRE)
  301. /*-----------------------------------------------------------------------
  302. * SCCR - System Clock and reset Control Register 15-27
  303. *-----------------------------------------------------------------------
  304. */
  305. #if defined(CONFIG_CLOCK_16MHZ) || defined(CONFIG_CLOCK_33MHZ) || defined(CONFIG_CLOCK_50MHZ)
  306. #define CFG_SCCR (SCCR_TBS | SCCR_EBDF00 | SCCR_DFBRG00)
  307. #define CFG_BRGCLK_PRESCALE 1
  308. #endif
  309. #if defined(CONFIG_CLOCK_66MHZ)
  310. #define CFG_SCCR (SCCR_TBS | SCCR_EBDF00 | SCCR_DFBRG01)
  311. #define CFG_BRGCLK_PRESCALE 4
  312. #endif
  313. #if defined(CONFIG_CLOCK_80MHZ)
  314. #define CFG_SCCR (SCCR_TBS | SCCR_EBDF01 | SCCR_DFBRG01)
  315. #define CFG_BRGCLK_PRESCALE 4
  316. #endif
  317. #define SCCR_MASK CFG_SCCR
  318. /*-----------------------------------------------------------------------
  319. * Debug Enable Register
  320. * 0x73E67C0F - All interrupts handled by BDM
  321. * 0x00824001 - Only interrupts needed by MWDebug.exe handled by BDM
  322. *-----------------------------------------------------------------------
  323. #define CFG_DER 0x73E67C0F
  324. #define CFG_DER 0x0082400F
  325. #-------------------------------------------------------------------------
  326. # Program the Debug Enable Register (DER). This register provides the user
  327. # with the reason for entering into the debug mode. We want all conditions
  328. # to end up as an exception. We don't want to enter into debug mode for
  329. # any condition. See the back of of the Development Support section of the
  330. # MPC860 User Manual for a description of this register.
  331. #-------------------------------------------------------------------------
  332. */
  333. #define CFG_DER 0
  334. /*-----------------------------------------------------------------------
  335. * Memory Controller Initialization Constants
  336. *-----------------------------------------------------------------------
  337. */
  338. /*
  339. * BR0 and OR0 (AMD dual FLASH devices)
  340. * Base address = 0xFFF0_0000 - 0xFFF7_FFFF (After relocation)
  341. */
  342. #define CFG_PRELIM_OR_AM
  343. #define CFG_OR_TIMING_FLASH
  344. /*
  345. *-----------------------------------------------------------------------
  346. * Base Register 0 (BR0): Bank 0 is assigned to the 8Mbyte (2M X 32)
  347. * flash that resides on the QS823.
  348. *-----------------------------------------------------------------------
  349. */
  350. /* BA (Base Address) = 0xFF80+0b for a total of 17 bits. 17 bit base addr */
  351. /* represents a minumum 32K block size. */
  352. #define vBR0_BA ((0xFF80 << 16) + (0 << 15))
  353. #define CFG_BR0_PRELIM (vBR0_BA | BR_V)
  354. /* AM (Address Mask) = 0xFF80+0b = We've masked the upper 9 bits */
  355. /* which defines a 8 Mbyte memory block. */
  356. #define vOR0_AM ((0xFF80 << 16) + (0 << 15))
  357. #if defined(CONFIG_CLOCK_50MHZ) || defined(CONFIG_CLOCK_80MHZ)
  358. /* 0101 = Add a 5 clock cycle wait state */
  359. #define CFG_OR0_PRELIM (vOR0_AM | OR_CSNT_SAM | 0R_ACS_DIV4 | OR_BI | OR_SCY_5_CLK)
  360. #endif
  361. #if defined(CONFIG_CLOCK_33MHZ) || defined(CONFIG_CLOCK_66MHZ)
  362. /* 0011 = Add a 3 clock cycle wait state */
  363. /* 29.8ns clock * (3 + 2) = 149ns cycle time */
  364. #define CFG_OR0_PRELIM (vOR0_AM | OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_3_CLK)
  365. #endif
  366. #if defined(CONFIG_CLOCK_16MHZ)
  367. /* 0010 = Add a 2 clock cycle wait state */
  368. #define CFG_OR0_PRELIM (vOR0_AM | OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_2_CLK)
  369. #endif
  370. /*
  371. * BR1 and OR1 (SDRAM)
  372. * Base Address = 0x00000000 - 0x00FF_FFFF (16M After relocation)
  373. * Base Address = 0x00000000 - 0x01FF_FFFF (32M After relocation)
  374. * Base Address = 0x00000000 - 0x03FF_FFFF (64M After relocation)
  375. * Base Address = 0x00000000 - 0x07FF_FFFF (128M After relocation)
  376. */
  377. #define SDRAM_BASE 0x00000000 /* SDRAM bank */
  378. #define SDRAM_PRELIM_OR_AM 0xF8000000 /* map max. 128 MB */
  379. /* AM (Address Mask) = 0xF800+0b = We've masked the upper 5 bits which
  380. * represents a 128 Mbyte block the DRAM in
  381. * this address base.
  382. */
  383. #define vOR1_AM ((0xF800 << 16) + (0 << 15))
  384. #define vBR1_BA ((0x0000 << 16) + (0 << 15))
  385. #define CFG_OR1 (vOR1_AM | OR_CSNT_SAM | OR_BI)
  386. #define CFG_BR1 (vBR1_BA | BR_MS_UPMA | BR_V)
  387. /* Machine A Mode Register */
  388. /* PTA Periodic Timer A */
  389. #if defined(CONFIG_CLOCK_80MHZ)
  390. #define vMAMR_PTA (19 << 24)
  391. #endif
  392. #if defined(CONFIG_CLOCK_66MHZ)
  393. #define vMAMR_PTA (16 << 24)
  394. #endif
  395. #if defined(CONFIG_CLOCK_50MHZ)
  396. #define vMAMR_PTA (195 << 24)
  397. #endif
  398. #if defined(CONFIG_CLOCK_33MHZ)
  399. #define vMAMR_PTA (131 << 24)
  400. #endif
  401. #if defined(CONFIG_CLOCK_16MHZ)
  402. #define vMAMR_PTA (65 << 24)
  403. #endif
  404. /* For boards with 16M of SDRAM */
  405. #define SDRAM_16M_MAX_SIZE 0x01000000 /* max 16MB SDRAM */
  406. #define CFG_16M_MAMR (vMAMR_PTA | MAMR_AMA_TYPE_0 | MAMR_DSA_2_CYCL | MAMR_G0CLA_A11 |\
  407. MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
  408. /* For boards with 32M of SDRAM */
  409. #define SDRAM_32M_MAX_SIZE 0x02000000 /* max 32MB SDRAM */
  410. #define CFG_32M_MAMR (vMAMR_PTA | MAMR_AMA_TYPE_1 | MAMR_DSA_2_CYCL | MAMR_G0CLA_A10 |\
  411. MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
  412. /* Memory Periodic Timer Prescaler Register */
  413. #if defined(CONFIG_CLOCK_66MHZ) || defined(CONFIG_CLOCK_80MHZ)
  414. /* Divide by 32 */
  415. #define CFG_MPTPR 0x02
  416. #endif
  417. #if defined(CONFIG_CLOCK_16MHZ) || defined(CONFIG_CLOCK_33MHZ) || defined(CONFIG_CLOCK_50MHZ)
  418. /* Divide by 16 */
  419. #define CFG_MPTPR 0x04
  420. #endif
  421. /*
  422. * BR2 and OR2 (Unused)
  423. * Base address = 0xF020_0000 - 0xF020_0FFF
  424. *
  425. */
  426. #define CFG_OR2_PRELIM 0xFFF00000
  427. #define CFG_BR2_PRELIM 0xF0200000
  428. /*
  429. * BR3 and OR3 (External Bus CS3)
  430. * Base address = 0xF030_0000 - 0xF030_0FFF
  431. *
  432. */
  433. #define CFG_OR3_PRELIM 0xFFF00000
  434. #define CFG_BR3_PRELIM 0xF0300000
  435. /*
  436. * BR4 and OR4 (External Bus CS3)
  437. * Base address = 0xF040_0000 - 0xF040_0FFF
  438. *
  439. */
  440. #define CFG_OR4_PRELIM 0xFFF00000
  441. #define CFG_BR4_PRELIM 0xF0400000
  442. /*
  443. * BR4 and OR4 (External Bus CS3)
  444. * Base address = 0xF050_0000 - 0xF050_0FFF
  445. *
  446. */
  447. #define CFG_OR5_PRELIM 0xFFF00000
  448. #define CFG_BR5_PRELIM 0xF0500000
  449. /*
  450. * BR6 and OR6 (Unused)
  451. * Base address = 0xF060_0000 - 0xF060_0FFF
  452. *
  453. */
  454. #define CFG_OR6_PRELIM 0xFFF00000
  455. #define CFG_BR6_PRELIM 0xF0600000
  456. /*
  457. * BR7 and OR7 (Unused)
  458. * Base address = 0xF070_0000 - 0xF070_0FFF
  459. *
  460. */
  461. #define CFG_OR7_PRELIM 0xFFF00000
  462. #define CFG_BR7_PRELIM 0xF0700000
  463. /*
  464. * Internal Definitions
  465. *
  466. * Boot Flags
  467. */
  468. #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
  469. #define BOOTFLAG_WARM 0x02 /* Software reboot */
  470. /*
  471. * Sanity checks
  472. */
  473. #if defined(CONFIG_SCC1_ENET) && defined(CONFIG_FEC_ENET)
  474. #error Both CONFIG_SCC1_ENET and CONFIG_FEC_ENET configured
  475. #endif
  476. #endif /* __CONFIG_H */