HMI10.h 18 KB

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  1. /*
  2. * (C) Copyright 2000-2008
  3. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  4. *
  5. * See file CREDITS for list of people who contributed to this
  6. * project.
  7. *
  8. * This program is free software; you can redistribute it and/or
  9. * modify it under the terms of the GNU General Public License as
  10. * published by the Free Software Foundation; either version 2 of
  11. * the License, or (at your option) any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program; if not, write to the Free Software
  20. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21. * MA 02111-1307 USA
  22. */
  23. /*
  24. * board/config.h - configuration options, board specific
  25. */
  26. #ifndef __CONFIG_H
  27. #define __CONFIG_H
  28. /*
  29. * High Level Configuration Options
  30. * (easy to change)
  31. */
  32. #define CONFIG_HMI10
  33. #define CONFIG_MPC823 1 /* This is a MPC823 CPU */
  34. #define CONFIG_TQM823L 1 /* ...on a TQM8xxL module */
  35. #define CONFIG_LCD
  36. #define CONFIG_NEC_NL6448BC33_54 /* NEC NL6448BC33_54 display */
  37. #ifdef CONFIG_LCD /* with LCD controller ? */
  38. #define CONFIG_SPLASH_SCREEN /* ... with splashscreen support*/
  39. #endif
  40. #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
  41. #undef CONFIG_8xx_CONS_SMC2
  42. #undef CONFIG_8xx_CONS_NONE
  43. #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
  44. #define CONFIG_PS2KBD /* AT-PS/2 Keyboard */
  45. #define CONFIG_PS2MULT /* .. on PS/2 Multiplexer */
  46. #define CONFIG_PS2SERIAL 2 /* .. on COM3 */
  47. #define CONFIG_PS2MULT_DELAY (CONFIG_SYS_HZ/2) /* Initial delay */
  48. #define CONFIG_BOOTCOUNT_LIMIT
  49. #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
  50. #define CONFIG_BOARD_TYPES 1 /* support board types */
  51. #define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo"
  52. #undef CONFIG_BOOTARGS
  53. #define CONFIG_EXTRA_ENV_SETTINGS \
  54. "netdev=eth0\0" \
  55. "nfsargs=setenv bootargs root=/dev/nfs rw " \
  56. "nfsroot=${serverip}:${rootpath}\0" \
  57. "ramargs=setenv bootargs root=/dev/ram rw\0" \
  58. "addip=setenv bootargs ${bootargs} " \
  59. "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
  60. ":${hostname}:${netdev}:off panic=1\0" \
  61. "flash_nfs=run nfsargs addip;" \
  62. "bootm ${kernel_addr}\0" \
  63. "flash_self=run ramargs addip;" \
  64. "bootm ${kernel_addr} ${ramdisk_addr}\0" \
  65. "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
  66. "rootpath=/opt/eldk/ppc_8xx\0" \
  67. "bootfile=/tftpboot/HMI10/uImage\0" \
  68. "kernel_addr=40040000\0" \
  69. "ramdisk_addr=40100000\0" \
  70. ""
  71. #define CONFIG_BOOTCOMMAND "run flash_self"
  72. #define CONFIG_BOARD_EARLY_INIT_R 1
  73. #define CONFIG_MISC_INIT_R 1
  74. #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
  75. #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
  76. /* enable I2C and select the hardware/software driver */
  77. #undef CONFIG_HARD_I2C /* I2C with hardware support */
  78. #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
  79. #define CONFIG_SYS_I2C_SPEED 40000 /* 40 kHz is supposed to work */
  80. #define CONFIG_SYS_I2C_SLAVE 0xFE
  81. /* Software (bit-bang) I2C driver configuration */
  82. #define PB_SCL 0x00000020 /* PB 26 */
  83. #define PB_SDA 0x00000010 /* PB 27 */
  84. #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
  85. #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
  86. #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
  87. #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
  88. #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
  89. else immr->im_cpm.cp_pbdat &= ~PB_SDA
  90. #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
  91. else immr->im_cpm.cp_pbdat &= ~PB_SCL
  92. #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
  93. #undef CONFIG_WATCHDOG /* watchdog disabled */
  94. #define CONFIG_STATUS_LED 1 /* Status LED enabled */
  95. #define CONFIG_CAN_DRIVER 1 /* CAN Driver support enabled */
  96. /*
  97. * BOOTP options
  98. */
  99. #define CONFIG_BOOTP_SUBNETMASK
  100. #define CONFIG_BOOTP_GATEWAY
  101. #define CONFIG_BOOTP_HOSTNAME
  102. #define CONFIG_BOOTP_BOOTPATH
  103. #define CONFIG_BOOTP_BOOTFILESIZE
  104. #define CONFIG_MAC_PARTITION
  105. #define CONFIG_DOS_PARTITION
  106. #define CONFIG_RTC_DS1337 /* Use ds1337 rtc via i2c */
  107. #define CONFIG_SYS_I2C_RTC_ADDR 0x68 /* at address 0x68 */
  108. /*
  109. * Command line configuration.
  110. */
  111. #include <config_cmd_default.h>
  112. #define CONFIG_CMD_ASKENV
  113. #define CONFIG_CMD_DATE
  114. #define CONFIG_CMD_DHCP
  115. #define CONFIG_CMD_FAT
  116. #define CONFIG_CMD_I2C
  117. #define CONFIG_CMD_IDE
  118. #define CONFIG_CMD_NFS
  119. #define CONFIG_CMD_SNTP
  120. #ifdef CONFIG_SPLASH_SCREEN
  121. #define CONFIG_CMD_BMP
  122. #endif
  123. /*
  124. * Miscellaneous configurable options
  125. */
  126. #define CONFIG_SYS_LONGHELP /* undef to save memory */
  127. #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
  128. #if 0
  129. #define CONFIG_SYS_HUSH_PARSER 1 /* use "hush" command parser */
  130. #endif
  131. #ifdef CONFIG_SYS_HUSH_PARSER
  132. #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
  133. #endif
  134. #if defined(CONFIG_CMD_KGDB)
  135. #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
  136. #else
  137. #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
  138. #endif
  139. #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
  140. #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
  141. #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
  142. #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
  143. #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
  144. #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
  145. #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
  146. #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
  147. /*
  148. * Low Level Configuration Settings
  149. * (address mappings, register initial values, etc.)
  150. * You should know what you are doing if you make changes here.
  151. */
  152. /*-----------------------------------------------------------------------
  153. * Internal Memory Mapped Register
  154. */
  155. #define CONFIG_SYS_IMMR 0xFFF00000
  156. /*-----------------------------------------------------------------------
  157. * Definitions for initial stack pointer and data area (in DPRAM)
  158. */
  159. #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
  160. #define CONFIG_SYS_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
  161. #define CONFIG_SYS_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
  162. #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
  163. #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
  164. /*-----------------------------------------------------------------------
  165. * Start addresses for the final memory configuration
  166. * (Set up by the startup code)
  167. * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
  168. */
  169. #define CONFIG_SYS_SDRAM_BASE 0x00000000
  170. #define CONFIG_SYS_FLASH_BASE 0x40000000
  171. #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
  172. #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
  173. #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
  174. /*
  175. * For booting Linux, the board info and command line data
  176. * have to be in the first 8 MB of memory, since this is
  177. * the maximum mapped by the Linux kernel during initialization.
  178. */
  179. #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
  180. /*-----------------------------------------------------------------------
  181. * FLASH organization
  182. */
  183. /* use CFI flash driver */
  184. #define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */
  185. #define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
  186. #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE }
  187. #define CONFIG_SYS_FLASH_EMPTY_INFO
  188. #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
  189. #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */
  190. #define CONFIG_SYS_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
  191. #define CONFIG_ENV_IS_IN_FLASH 1
  192. #define CONFIG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
  193. #define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
  194. /* Address and size of Redundant Environment Sector */
  195. #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SIZE)
  196. #define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
  197. /*-----------------------------------------------------------------------
  198. * Hardware Information Block
  199. */
  200. #define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
  201. #define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
  202. #define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
  203. /*-----------------------------------------------------------------------
  204. * Cache Configuration
  205. */
  206. #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
  207. #if defined(CONFIG_CMD_KGDB)
  208. #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
  209. #endif
  210. /*-----------------------------------------------------------------------
  211. * SYPCR - System Protection Control 11-9
  212. * SYPCR can only be written once after reset!
  213. *-----------------------------------------------------------------------
  214. * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
  215. */
  216. #if defined(CONFIG_WATCHDOG)
  217. #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
  218. SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
  219. #else
  220. #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
  221. #endif
  222. /*-----------------------------------------------------------------------
  223. * SIUMCR - SIU Module Configuration 11-6
  224. *-----------------------------------------------------------------------
  225. * PCMCIA config., multi-function pin tri-state
  226. */
  227. #ifndef CONFIG_CAN_DRIVER
  228. #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
  229. #else /* we must activate GPL5 in the SIUMCR for CAN */
  230. #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
  231. #endif /* CONFIG_CAN_DRIVER */
  232. /*-----------------------------------------------------------------------
  233. * TBSCR - Time Base Status and Control 11-26
  234. *-----------------------------------------------------------------------
  235. * Clear Reference Interrupt Status, Timebase freezing enabled
  236. */
  237. #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
  238. /*-----------------------------------------------------------------------
  239. * RTCSC - Real-Time Clock Status and Control Register 11-27
  240. *-----------------------------------------------------------------------
  241. */
  242. #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
  243. /*-----------------------------------------------------------------------
  244. * PISCR - Periodic Interrupt Status and Control 11-31
  245. *-----------------------------------------------------------------------
  246. * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
  247. */
  248. #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
  249. /*-----------------------------------------------------------------------
  250. * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
  251. *-----------------------------------------------------------------------
  252. * Reset PLL lock status sticky bit, timer expired status bit and timer
  253. * interrupt status bit
  254. *
  255. * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
  256. */
  257. #define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
  258. /*-----------------------------------------------------------------------
  259. * SCCR - System Clock and reset Control Register 15-27
  260. *-----------------------------------------------------------------------
  261. * Set clock output, timebase and RTC source and divider,
  262. * power management and some other internal clocks
  263. */
  264. #define SCCR_MASK SCCR_EBDF11
  265. #define CONFIG_SYS_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
  266. SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
  267. SCCR_DFALCD00)
  268. /*-----------------------------------------------------------------------
  269. * PCMCIA stuff
  270. *-----------------------------------------------------------------------
  271. *
  272. */
  273. #define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0100000)
  274. #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
  275. #define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4100000)
  276. #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
  277. #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8100000)
  278. #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
  279. #define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC100000)
  280. #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
  281. #define PCMCIA_MEM_WIN_NO 5
  282. #define NSCU_OE_INV 1 /* PCMCIA_GCRX_CXOE is inverted */
  283. /*-----------------------------------------------------------------------
  284. * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
  285. *-----------------------------------------------------------------------
  286. */
  287. #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
  288. #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
  289. #undef CONFIG_IDE_RESET /* reset for ide not supported */
  290. #ifndef CONFIG_STATUS_LED /* Status and IDE LED's are mutually exclusive */
  291. #define CONFIG_IDE_LED 1 /* LED for ide supported */
  292. #endif
  293. #define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
  294. #define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
  295. #define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
  296. #define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
  297. /* Offset for data I/O */
  298. #define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
  299. /* Offset for normal register accesses */
  300. #define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
  301. /* Offset for alternate registers */
  302. #define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
  303. /*-----------------------------------------------------------------------
  304. *
  305. *-----------------------------------------------------------------------
  306. *
  307. */
  308. #define CONFIG_SYS_DER 0
  309. /*
  310. * Init Memory Controller:
  311. *
  312. * BR0/1 and OR0/1 (FLASH)
  313. */
  314. #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
  315. #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
  316. /* used to re-map FLASH both when starting from SRAM or FLASH:
  317. * restrict access enough to keep SRAM working (if any)
  318. * but not too much to meddle with FLASH accesses
  319. */
  320. #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
  321. #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
  322. /*
  323. * FLASH timing:
  324. */
  325. #define CONFIG_SYS_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
  326. OR_SCY_3_CLK | OR_EHTR | OR_BI)
  327. #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
  328. #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
  329. #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
  330. #define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
  331. #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
  332. #define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
  333. /*
  334. * BR2/3 and OR2/3 (SDRAM)
  335. *
  336. */
  337. #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
  338. #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
  339. #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
  340. /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
  341. #define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
  342. #define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
  343. #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
  344. #ifndef CONFIG_CAN_DRIVER
  345. #define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM
  346. #define CONFIG_SYS_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
  347. #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
  348. #define CONFIG_SYS_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
  349. #define CONFIG_SYS_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
  350. #define CONFIG_SYS_OR3_CAN (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
  351. #define CONFIG_SYS_BR3_CAN ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
  352. BR_PS_8 | BR_MS_UPMB | BR_V )
  353. #endif /* CONFIG_CAN_DRIVER */
  354. /*
  355. * Memory Periodic Timer Prescaler
  356. *
  357. * The Divider for PTA (refresh timer) configuration is based on an
  358. * example SDRAM configuration (64 MBit, one bank). The adjustment to
  359. * the number of chip selects (NCS) and the actually needed refresh
  360. * rate is done by setting MPTPR.
  361. *
  362. * PTA is calculated from
  363. * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
  364. *
  365. * gclk CPU clock (not bus clock!)
  366. * Trefresh Refresh cycle * 4 (four word bursts used)
  367. *
  368. * 4096 Rows from SDRAM example configuration
  369. * 1000 factor s -> ms
  370. * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
  371. * 4 Number of refresh cycles per period
  372. * 64 Refresh cycle in ms per number of rows
  373. * --------------------------------------------
  374. * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
  375. *
  376. * 50 MHz => 50.000.000 / Divider = 98
  377. * 66 Mhz => 66.000.000 / Divider = 129
  378. * 80 Mhz => 80.000.000 / Divider = 156
  379. */
  380. #define CONFIG_SYS_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
  381. #define CONFIG_SYS_MAMR_PTA 98
  382. /*
  383. * For 16 MBit, refresh rates could be 31.3 us
  384. * (= 64 ms / 2K = 125 / quad bursts).
  385. * For a simpler initialization, 15.6 us is used instead.
  386. *
  387. * #define CONFIG_SYS_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
  388. * #define CONFIG_SYS_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
  389. */
  390. #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
  391. #define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
  392. /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
  393. #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
  394. #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
  395. /*
  396. * MAMR settings for SDRAM
  397. */
  398. /* 8 column SDRAM */
  399. #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
  400. MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
  401. MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
  402. /* 9 column SDRAM */
  403. #define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
  404. MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
  405. MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
  406. /*
  407. * Internal Definitions
  408. *
  409. * Boot Flags
  410. */
  411. #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
  412. #define BOOTFLAG_WARM 0x02 /* Software reboot */
  413. #endif /* __CONFIG_H */