CCM.h 18 KB

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  1. /*
  2. * (C) Copyright 2001-2005
  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. * configuration options, board specific, for Siemens Card Controller Module
  25. */
  26. #ifndef __CONFIG_H
  27. #define __CONFIG_H
  28. #undef CCM_80MHz /* define for 80 MHz CPU only */
  29. /*
  30. * High Level Configuration Options
  31. * (easy to change)
  32. */
  33. #define CONFIG_MPC860 1 /* This is a MPC860 CPU ... */
  34. #define CONFIG_CCM 1 /* on a Card Controller Module */
  35. #define CONFIG_MISC_INIT_R /* Call misc_init_r() */
  36. #define CONFIG_RESET_PHY_R 1 /* Call reset_phy() */
  37. #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
  38. #undef CONFIG_8xx_CONS_SMC2
  39. #undef CONFIG_8xx_CONS_NONE
  40. /* ENVIRONMENT */
  41. #define CONFIG_BAUDRATE 19200 /* console baudrate in bps */
  42. #define CONFIG_BOOTDELAY 2 /* autoboot after 2 seconds */
  43. #define CONFIG_IPADDR 192.168.0.42
  44. #define CONFIG_NETMASK 255.255.255.0
  45. #define CONFIG_GATEWAYIP 0.0.0.0
  46. #define CONFIG_SERVERIP 192.168.0.254
  47. #define CONFIG_HOSTNAME CCM
  48. #define CONFIG_LOADADDR 40180000
  49. #undef CONFIG_BOOTARGS
  50. #define CONFIG_BOOTCOMMAND "setenv bootargs " \
  51. "mem=${mem} " \
  52. "root=/dev/ram rw ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off " \
  53. "wt_8xx=timeout:3600; " \
  54. "bootm"
  55. #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
  56. #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
  57. #define CONFIG_WATCHDOG 1 /* watchdog enabled */
  58. #undef CONFIG_STATUS_LED /* Status LED disabled */
  59. #define CONFIG_PRAM 512 /* reserve 512kB "protected RAM"*/
  60. #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
  61. #define CONFIG_SPI /* enable SPI driver */
  62. #define CONFIG_SPI_X /* 16 bit EEPROM addressing */
  63. /* ----------------------------------------------------------------
  64. * Offset to initial SPI buffers in DPRAM (used if the environment
  65. * is in the SPI EEPROM): We need a 520 byte scratch DPRAM area to
  66. * use at an early stage. It is used between the two initialization
  67. * calls (spi_init_f() and spi_init_r()). The value 0xB00 makes it
  68. * far enough from the start of the data area (as well as from the
  69. * stack pointer).
  70. * ---------------------------------------------------------------- */
  71. #define CONFIG_SYS_SPI_INIT_OFFSET 0xB00
  72. #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 5 /* 32-byte page size */
  73. #define CONFIG_MAC_PARTITION /* nod used yet */
  74. #define CONFIG_DOS_PARTITION
  75. /*
  76. * BOOTP options
  77. */
  78. #define CONFIG_BOOTP_SUBNETMASK
  79. #define CONFIG_BOOTP_GATEWAY
  80. #define CONFIG_BOOTP_HOSTNAME
  81. #define CONFIG_BOOTP_BOOTPATH
  82. #define CONFIG_BOOTP_BOOTFILESIZE
  83. /*
  84. * Command line configuration.
  85. */
  86. #include <config_cmd_default.h>
  87. #define CONFIG_CMD_BSP
  88. #define CONFIG_CMD_DHCP
  89. #define CONFIG_CMD_DATE
  90. #define CONFIG_CMD_EEPROM
  91. #define CONFIG_CMD_NFS
  92. #define CONFIG_CMD_SNTP
  93. /*
  94. * Miscellaneous configurable options
  95. */
  96. #define CONFIG_SYS_LONGHELP /* undef to save memory */
  97. #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
  98. #if defined(CONFIG_CMD_KGDB)
  99. #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
  100. #else
  101. #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
  102. #endif
  103. #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
  104. #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
  105. #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
  106. #define CONFIG_SYS_MEMTEST_START 0x00100000 /* memtest works on */
  107. #define CONFIG_SYS_MEMTEST_END 0x00F00000 /* 1 ... 15MB in DRAM */
  108. #define CONFIG_SYS_LOAD_ADDR 0x00100000 /* default load address */
  109. /* Ethernet hardware configuration done using port pins */
  110. #define CONFIG_SYS_PA_ETH_RESET 0x0200 /* PA 6 */
  111. #define CONFIG_SYS_PA_ETH_MDDIS 0x4000 /* PA 1 */
  112. #define CONFIG_SYS_PB_ETH_POWERDOWN 0x00000800 /* PB 20 */
  113. #define CONFIG_SYS_PB_ETH_CFG1 0x00000400 /* PB 21 */
  114. #define CONFIG_SYS_PB_ETH_CFG2 0x00000200 /* PB 22 */
  115. #define CONFIG_SYS_PB_ETH_CFG3 0x00000100 /* PB 23 */
  116. /* Ethernet settings:
  117. * MDIO not disabled, autonegotiation, 10/100Mbps, half/full duplex
  118. */
  119. #define CONFIG_SYS_ETH_MDDIS_VALUE 0
  120. #define CONFIG_SYS_ETH_CFG1_VALUE 1
  121. #define CONFIG_SYS_ETH_CFG2_VALUE 1
  122. #define CONFIG_SYS_ETH_CFG3_VALUE 1
  123. /* PUMA configuration */
  124. #define CONFIG_SYS_PC_PUMA_PROG 0x0200 /* PC 6 */
  125. #define CONFIG_SYS_PC_PUMA_DONE 0x0008 /* PC 12 */
  126. #define CONFIG_SYS_PC_PUMA_INIT 0x0004 /* PC 13 */
  127. #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
  128. #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
  129. /*
  130. * Low Level Configuration Settings
  131. * (address mappings, register initial values, etc.)
  132. * You should know what you are doing if you make changes here.
  133. */
  134. /*-----------------------------------------------------------------------
  135. * Internal Memory Mapped Register
  136. */
  137. #define CONFIG_SYS_IMMR 0xF0000000
  138. /*-----------------------------------------------------------------------
  139. * Definitions for initial stack pointer and data area (in DPRAM)
  140. */
  141. #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
  142. #define CONFIG_SYS_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
  143. #define CONFIG_SYS_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
  144. #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
  145. #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
  146. /*-----------------------------------------------------------------------
  147. * Address accessed to reset the board - must not be mapped/assigned
  148. */
  149. #define CONFIG_SYS_RESET_ADDRESS 0xFEFFFFFF
  150. /*-----------------------------------------------------------------------
  151. * Start addresses for the final memory configuration
  152. * (Set up by the startup code)
  153. * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
  154. */
  155. #define CONFIG_SYS_SDRAM_BASE 0x00000000
  156. #define CONFIG_SYS_FLASH_BASE 0x40000000
  157. #if defined(DEBUG)
  158. #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
  159. #else
  160. #define CONFIG_SYS_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
  161. #endif
  162. #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
  163. #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
  164. /*
  165. * For booting Linux, the board info and command line data
  166. * have to be in the first 8 MB of memory, since this is
  167. * the maximum mapped by the Linux kernel during initialization.
  168. */
  169. #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
  170. /*-----------------------------------------------------------------------
  171. * FLASH organization
  172. */
  173. #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */
  174. #define CONFIG_SYS_MAX_FLASH_SECT 67 /* max number of sectors on one chip */
  175. #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
  176. #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
  177. #if 1
  178. /* Start port with environment in flash; switch to SPI EEPROM later */
  179. #define CONFIG_ENV_IS_IN_FLASH 1
  180. #define CONFIG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
  181. #define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
  182. /* Address and size of Redundant Environment Sector */
  183. #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SIZE)
  184. #define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
  185. #else
  186. /* Final version: environment in EEPROM */
  187. #define CONFIG_ENV_IS_IN_EEPROM 1
  188. #define CONFIG_ENV_OFFSET 2048
  189. #define CONFIG_ENV_SIZE 2048
  190. #endif
  191. /*-----------------------------------------------------------------------
  192. * Hardware Information Block
  193. */
  194. #define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
  195. #define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
  196. #define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
  197. /*-----------------------------------------------------------------------
  198. * Cache Configuration
  199. */
  200. #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
  201. #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
  202. /*-----------------------------------------------------------------------
  203. * SYPCR - System Protection Control 11-9
  204. * SYPCR can only be written once after reset!
  205. *-----------------------------------------------------------------------
  206. * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
  207. */
  208. #if defined(CONFIG_WATCHDOG)
  209. #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
  210. SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
  211. #else
  212. #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
  213. SYPCR_SWP)
  214. #endif
  215. /*-----------------------------------------------------------------------
  216. * SIUMCR - SIU Module Configuration 11-6
  217. *-----------------------------------------------------------------------
  218. * we must activate GPL5 in the SIUMCR for CAN
  219. */
  220. #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
  221. /*-----------------------------------------------------------------------
  222. * TBSCR - Time Base Status and Control 11-26
  223. *-----------------------------------------------------------------------
  224. * Clear Reference Interrupt Status, Timebase freezing enabled
  225. */
  226. #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
  227. /*-----------------------------------------------------------------------
  228. * RTCSC - Real-Time Clock Status and Control Register 11-27
  229. *-----------------------------------------------------------------------
  230. */
  231. #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
  232. /*-----------------------------------------------------------------------
  233. * PISCR - Periodic Interrupt Status and Control 11-31
  234. *-----------------------------------------------------------------------
  235. * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
  236. */
  237. #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
  238. /*-----------------------------------------------------------------------
  239. * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
  240. *-----------------------------------------------------------------------
  241. * Reset PLL lock status sticky bit, timer expired status bit and timer
  242. * interrupt status bit
  243. *
  244. * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
  245. */
  246. #ifdef CCM_80MHz /* for 80 MHz, we use a 16 MHz clock * 5 */
  247. #define CONFIG_SYS_PLPRCR \
  248. ( (5-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_TMIST )
  249. #else /* up to 50 MHz we use a 1:1 clock */
  250. #define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
  251. #endif /* CCM_80MHz */
  252. /*-----------------------------------------------------------------------
  253. * SCCR - System Clock and reset Control Register 15-27
  254. *-----------------------------------------------------------------------
  255. * Set clock output, timebase and RTC source and divider,
  256. * power management and some other internal clocks
  257. */
  258. #define SCCR_MASK SCCR_EBDF11
  259. #ifdef CCM_80MHz /* for 80 MHz, we use a 16 MHz clock * 5 */
  260. #define CONFIG_SYS_SCCR (/* SCCR_TBS | */ \
  261. SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
  262. SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
  263. SCCR_DFALCD00)
  264. #else /* up to 50 MHz we use a 1:1 clock */
  265. #define CONFIG_SYS_SCCR (SCCR_TBS | \
  266. SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
  267. SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
  268. SCCR_DFALCD00)
  269. #endif /* CCM_80MHz */
  270. /*-----------------------------------------------------------------------
  271. *
  272. * Interrupt Levels
  273. *-----------------------------------------------------------------------
  274. */
  275. #define CONFIG_SYS_CPM_INTERRUPT 13 /* SIU_LEVEL6 */
  276. /*-----------------------------------------------------------------------
  277. *
  278. *-----------------------------------------------------------------------
  279. *
  280. */
  281. #define CONFIG_SYS_DER 0
  282. /*
  283. * Init Memory Controller:
  284. *
  285. * BR0/1 and OR0/1 (FLASH)
  286. */
  287. #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
  288. #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
  289. /* used to re-map FLASH both when starting from SRAM or FLASH:
  290. * restrict access enough to keep SRAM working (if any)
  291. * but not too much to meddle with FLASH accesses
  292. */
  293. #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
  294. #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
  295. /* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1 */
  296. #define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | \
  297. OR_SCY_5_CLK | OR_EHTR)
  298. #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
  299. #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
  300. #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
  301. #define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
  302. #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
  303. #define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
  304. /*
  305. * BR2 and OR2 (SDRAM)
  306. *
  307. */
  308. #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
  309. #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
  310. #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
  311. /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
  312. #define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
  313. #define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
  314. #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
  315. /*
  316. * BR3 and OR3 (CAN Controller)
  317. */
  318. #define CONFIG_SYS_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
  319. #define CONFIG_SYS_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
  320. #define CONFIG_SYS_OR3_CAN (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
  321. #define CONFIG_SYS_BR3_CAN ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
  322. BR_PS_8 | BR_MS_UPMB | BR_V )
  323. /*
  324. * BR4/OR4: PUMA Config
  325. *
  326. * Memory controller will be used in 2 modes:
  327. *
  328. * - "read" mode:
  329. * BR4: 0x10100801 OR4: 0xffff8520
  330. * - "load" mode (chip select on UPM B):
  331. * BR4: 0x101004c1 OR4: 0xffff8600
  332. *
  333. * Default initialization is in "read" mode
  334. */
  335. #define PUMA_CONF_BASE 0x10100000 /* PUMA Config */
  336. #define PUMA_CONF_OR_AM 0xFFFF8000 /* 32 kB */
  337. #define PUMA_CONF_LOAD_TIMING (OR_ACS_DIV2 | OR_SCY_2_CLK)
  338. #define PUMA_CONF_READ_TIMING (OR_G5LA | OR_BI | OR_SCY_2_CLK)
  339. #define PUMA_CONF_BR_LOAD ((PUMA_CONF_BASE & BR_BA_MSK) | \
  340. BR_PS_8 | BR_MS_UPMB | BR_V)
  341. #define PUMA_CONF_OR_LOAD (PUMA_CONF_OR_AM | PUMA_CONF_LOAD_TIMING)
  342. #define PUMA_CONF_BR_READ ((PUMA_CONF_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
  343. #define PUMA_CONF_OR_READ (PUMA_CONF_OR_AM | PUMA_CONF_READ_TIMING)
  344. #define CONFIG_SYS_BR4_PRELIM PUMA_CONF_BR_READ
  345. #define CONFIG_SYS_OR4_PRELIM PUMA_CONF_OR_READ
  346. /*
  347. * BR5/OR5: PUMA: SMA Bus 8 Bit
  348. * BR5: 0x10200401 OR5: 0xffe0010a
  349. */
  350. #define PUMA_SMA8_BASE 0x10200000 /* PUMA SMA Bus 8 Bit */
  351. #define PUMA_SMA8_OR_AM 0xFFE00000 /* 2 MB */
  352. #define PUMA_SMA8_TIMING (OR_BI | OR_SCY_0_CLK | OR_EHTR)
  353. #define CONFIG_SYS_BR5_PRELIM ((PUMA_SMA8_BASE & BR_BA_MSK) | BR_PS_8 | BR_V)
  354. #define CONFIG_SYS_OR5_PRELIM (PUMA_SMA8_OR_AM | PUMA_SMA8_TIMING | OR_SETA)
  355. /*
  356. * BR6/OR6: PUMA: SMA Bus 16 Bit
  357. * BR6: 0x10600801 OR6: 0xffe0010a
  358. */
  359. #define PUMA_SMA16_BASE 0x10600000 /* PUMA SMA Bus 16 Bit */
  360. #define PUMA_SMA16_OR_AM 0xFFE00000 /* 2 MB */
  361. #define PUMA_SMA16_TIMING (OR_BI | OR_SCY_0_CLK | OR_EHTR)
  362. #define CONFIG_SYS_BR6_PRELIM ((PUMA_SMA16_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
  363. #define CONFIG_SYS_OR6_PRELIM (PUMA_SMA16_OR_AM | PUMA_SMA16_TIMING | OR_SETA)
  364. /*
  365. * BR7/OR7: PUMA: external Flash
  366. * BR7: 0x10a00801 OR7: 0xfe00010a
  367. */
  368. #define PUMA_FLASH_BASE 0x10A00000 /* PUMA external Flash */
  369. #define PUMA_FLASH_OR_AM 0xFE000000 /* 32 MB */
  370. #define PUMA_FLASH_TIMING (OR_BI | OR_SCY_0_CLK | OR_EHTR)
  371. #define CONFIG_SYS_BR7_PRELIM ((PUMA_FLASH_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
  372. #define CONFIG_SYS_OR7_PRELIM (PUMA_FLASH_OR_AM | PUMA_FLASH_TIMING | OR_SETA)
  373. /*
  374. * Memory Periodic Timer Prescaler
  375. */
  376. /* periodic timer for refresh */
  377. #define CONFIG_SYS_MAMR_PTA 97 /* start with divider for 100 MHz */
  378. /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
  379. #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
  380. #define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
  381. /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
  382. #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
  383. #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
  384. /*
  385. * MAMR settings for SDRAM
  386. */
  387. /* 8 column SDRAM */
  388. #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
  389. MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
  390. MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
  391. /* 9 column SDRAM */
  392. #define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
  393. MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
  394. MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
  395. /*
  396. * Internal Definitions
  397. *
  398. * Boot Flags
  399. */
  400. #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
  401. #define BOOTFLAG_WARM 0x02 /* Software reboot */
  402. #endif /* __CONFIG_H */