TQM8260.h 22 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. * board/config.h - configuration options, board specific
  25. */
  26. #ifndef __CONFIG_H
  27. #define __CONFIG_H
  28. /*
  29. * Imported from global configuration:
  30. * CONFIG_MPC8255
  31. * CONFIG_MPC8265
  32. * CONFIG_200MHz
  33. * CONFIG_266MHz
  34. * CONFIG_300MHz
  35. * CONFIG_L2_CACHE
  36. * CONFIG_BUSMODE_60x
  37. */
  38. /*
  39. * High Level Configuration Options
  40. * (easy to change)
  41. */
  42. #define CONFIG_MPC8260 1 /* This is a MPC8260 CPU */
  43. #if 0
  44. #define CONFIG_TQM8260 100 /* ...on a TQM8260 module Rev.100 */
  45. #else
  46. #define CONFIG_TQM8260 200 /* ...on a TQM8260 module Rev.200 */
  47. #endif
  48. #define CONFIG_CPM2 1 /* Has a CPM2 */
  49. #define CONFIG_82xx_CONS_SMC1 1 /* console on SMC1 */
  50. #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
  51. #define CONFIG_BOOTCOUNT_LIMIT
  52. #define CONFIG_BAUDRATE 115200
  53. #define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo"
  54. #undef CONFIG_BOOTARGS
  55. #define CONFIG_EXTRA_ENV_SETTINGS \
  56. "netdev=eth0\0" \
  57. "nfsargs=setenv bootargs root=/dev/nfs rw " \
  58. "nfsroot=${serverip}:${rootpath}\0" \
  59. "ramargs=setenv bootargs root=/dev/ram rw\0" \
  60. "addip=setenv bootargs ${bootargs} " \
  61. "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
  62. ":${hostname}:${netdev}:off panic=1\0" \
  63. "flash_nfs=run nfsargs addip;" \
  64. "bootm ${kernel_addr}\0" \
  65. "flash_self=run ramargs addip;" \
  66. "bootm ${kernel_addr} ${ramdisk_addr}\0" \
  67. "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
  68. "rootpath=/opt/eldk/ppc_6xx\0" \
  69. "bootfile=tqm8260/uImage\0" \
  70. "kernel_addr=40080000\0" \
  71. "ramdisk_addr=40200000\0" \
  72. ""
  73. #define CONFIG_BOOTCOMMAND "run flash_self"
  74. /* enable I2C and select the hardware/software driver */
  75. #undef CONFIG_HARD_I2C /* I2C with hardware support */
  76. #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
  77. #define CONFIG_SYS_I2C_SPEED 400000 /* I2C speed and slave address */
  78. #define CONFIG_SYS_I2C_SLAVE 0x7F
  79. /*
  80. * Software (bit-bang) I2C driver configuration
  81. */
  82. /* TQM8260 Rev.100 has the clock and data pins swapped (!!!) on EEPROM */
  83. #if (CONFIG_TQM8260 <= 100)
  84. #define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */
  85. #define I2C_ACTIVE (iop->pdir |= 0x00020000)
  86. #define I2C_TRISTATE (iop->pdir &= ~0x00020000)
  87. #define I2C_READ ((iop->pdat & 0x00020000) != 0)
  88. #define I2C_SDA(bit) if(bit) iop->pdat |= 0x00020000; \
  89. else iop->pdat &= ~0x00020000
  90. #define I2C_SCL(bit) if(bit) iop->pdat |= 0x00010000; \
  91. else iop->pdat &= ~0x00010000
  92. #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
  93. #else
  94. #define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */
  95. #define I2C_ACTIVE (iop->pdir |= 0x00010000)
  96. #define I2C_TRISTATE (iop->pdir &= ~0x00010000)
  97. #define I2C_READ ((iop->pdat & 0x00010000) != 0)
  98. #define I2C_SDA(bit) if(bit) iop->pdat |= 0x00010000; \
  99. else iop->pdat &= ~0x00010000
  100. #define I2C_SCL(bit) if(bit) iop->pdat |= 0x00020000; \
  101. else iop->pdat &= ~0x00020000
  102. #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
  103. #endif
  104. #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50
  105. #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
  106. #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4
  107. #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
  108. #define CONFIG_I2C_X
  109. /*
  110. * select serial console configuration
  111. *
  112. * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
  113. * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
  114. * for SCC).
  115. *
  116. * if CONFIG_CONS_NONE is defined, then the serial console routines must
  117. * defined elsewhere (for example, on the cogent platform, there are serial
  118. * ports on the motherboard which are used for the serial console - see
  119. * cogent/cma101/serial.[ch]).
  120. */
  121. #define CONFIG_CONS_ON_SMC /* define if console on SMC */
  122. #undef CONFIG_CONS_ON_SCC /* define if console on SCC */
  123. #undef CONFIG_CONS_NONE /* define if console on something else*/
  124. #ifdef CONFIG_82xx_CONS_SMC1
  125. #define CONFIG_CONS_INDEX 1 /* which serial channel for console */
  126. #endif
  127. #ifdef CONFIG_82xx_CONS_SMC2
  128. #define CONFIG_CONS_INDEX 2 /* which serial channel for console */
  129. #endif
  130. #undef CONFIG_CONS_USE_EXTC /* SMC/SCC use ext clock not brg_clk */
  131. #define CONFIG_CONS_EXTC_RATE 3686400 /* SMC/SCC ext clk rate in Hz */
  132. #define CONFIG_CONS_EXTC_PINSEL 0 /* pin select 0=CLK3/CLK9 */
  133. /*
  134. * select ethernet configuration
  135. *
  136. * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
  137. * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
  138. * for FCC)
  139. *
  140. * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
  141. * defined elsewhere (as for the console), or CONFIG_CMD_NET must be unset.
  142. *
  143. * (On TQM8260 either SCC1 or FCC2 may be chosen: SCC1 is hardwired to the
  144. * X.29 connector, and FCC2 is hardwired to the X.1 connector)
  145. */
  146. #undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */
  147. #define CONFIG_ETHER_ON_FCC /* define if ether on FCC */
  148. #undef CONFIG_ETHER_NONE /* define if ether on something else */
  149. #define CONFIG_ETHER_INDEX 2 /* which SCC/FCC channel for ethernet */
  150. #if defined(CONFIG_ETHER_ON_SCC) && (CONFIG_ETHER_INDEX == 1)
  151. /*
  152. * - RX clk is CLK11
  153. * - TX clk is CLK12
  154. */
  155. # define CONFIG_SYS_CMXSCR_VALUE (CMXSCR_RS1CS_CLK11 | CMXSCR_TS1CS_CLK12)
  156. #elif defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 2)
  157. /*
  158. * - Rx-CLK is CLK13
  159. * - Tx-CLK is CLK14
  160. * - RAM for BD/Buffers is on the 60x Bus (see 28-13)
  161. * - Enable Full Duplex in FSMR
  162. */
  163. # define CONFIG_SYS_CMXFCR_MASK (CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK)
  164. # define CONFIG_SYS_CMXFCR_VALUE (CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14)
  165. # define CONFIG_SYS_CPMFCR_RAMTYPE 0
  166. # define CONFIG_SYS_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB)
  167. #endif /* CONFIG_ETHER_ON_FCC, CONFIG_ETHER_INDEX */
  168. /* system clock rate (CLKIN) - equal to the 60x and local bus speed */
  169. #if defined(CONFIG_MPC8255) || defined(CONFIG_MPC8265)
  170. # define CONFIG_8260_CLKIN 66666666 /* in Hz */
  171. #else /* !CONFIG_MPC8255 && !CONFIG_MPC8265 */
  172. # ifndef CONFIG_300MHz
  173. # define CONFIG_8260_CLKIN 66666666 /* in Hz */
  174. # else
  175. # define CONFIG_8260_CLKIN 83333000 /* in Hz */
  176. # endif
  177. #endif /* CONFIG_MPC8255 */
  178. #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
  179. #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
  180. #undef CONFIG_WATCHDOG /* watchdog disabled */
  181. #define CONFIG_TIMESTAMP /* Print image info with timestamp */
  182. /*
  183. * BOOTP options
  184. */
  185. #define CONFIG_BOOTP_SUBNETMASK
  186. #define CONFIG_BOOTP_GATEWAY
  187. #define CONFIG_BOOTP_HOSTNAME
  188. #define CONFIG_BOOTP_BOOTPATH
  189. #define CONFIG_BOOTP_BOOTFILESIZE
  190. /*
  191. * Command line configuration.
  192. */
  193. #include <config_cmd_default.h>
  194. #define CONFIG_CMD_DHCP
  195. #define CONFIG_CMD_I2C
  196. #define CONFIG_CMD_EEPROM
  197. #define CONFIG_CMD_NFS
  198. #define CONFIG_CMD_SNTP
  199. /*
  200. * Miscellaneous configurable options
  201. */
  202. #define CONFIG_SYS_LONGHELP /* undef to save memory */
  203. #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
  204. #define CONFIG_CMDLINE_EDITING 1 /* add command line history */
  205. #define CONFIG_SYS_HUSH_PARSER 1 /* Use the HUSH parser */
  206. #ifdef CONFIG_SYS_HUSH_PARSER
  207. #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
  208. #endif
  209. #if defined(CONFIG_CMD_KGDB)
  210. #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
  211. #else
  212. #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
  213. #endif
  214. #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
  215. #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
  216. #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
  217. #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
  218. #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
  219. #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
  220. #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
  221. #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
  222. #define CONFIG_SYS_RESET_ADDRESS 0xFFFFFFFC /* "bad" address */
  223. /*
  224. * For booting Linux, the board info and command line data
  225. * have to be in the first 8 MB of memory, since this is
  226. * the maximum mapped by the Linux kernel during initialization.
  227. */
  228. #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
  229. /* What should the base address of the main FLASH be and how big is
  230. * it (in MBytes)? This must contain TEXT_BASE from board/tqm8260/config.mk
  231. * The main FLASH is whichever is connected to *CS0.
  232. */
  233. #define CONFIG_SYS_FLASH0_BASE 0x40000000
  234. #define CONFIG_SYS_FLASH1_BASE 0x60000000
  235. #define CONFIG_SYS_FLASH0_SIZE 32
  236. #define CONFIG_SYS_FLASH1_SIZE 32
  237. /* Flash bank size (for preliminary settings)
  238. */
  239. #define CONFIG_SYS_FLASH_SIZE CONFIG_SYS_FLASH0_SIZE
  240. /*-----------------------------------------------------------------------
  241. * FLASH organization
  242. */
  243. #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max num of memory banks */
  244. #define CONFIG_SYS_MAX_FLASH_SECT 128 /* max num of sects on one chip */
  245. #define CONFIG_SYS_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
  246. #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
  247. #define CONFIG_ENV_IS_IN_FLASH 1
  248. #define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0x40000)
  249. #define CONFIG_ENV_SIZE 0x08000
  250. #define CONFIG_ENV_SECT_SIZE 0x40000
  251. #define CONFIG_ENV_ADDR_REDUND (CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE)
  252. #define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE
  253. /*-----------------------------------------------------------------------
  254. * Hardware Information Block
  255. */
  256. #define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
  257. #define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
  258. #define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
  259. /*-----------------------------------------------------------------------
  260. * Hard Reset Configuration Words
  261. *
  262. * if you change bits in the HRCW, you must also change the CONFIG_SYS_*
  263. * defines for the various registers affected by the HRCW e.g. changing
  264. * HRCW_DPPCxx requires you to also change CONFIG_SYS_SIUMCR.
  265. */
  266. #define __HRCW__ALL__ (HRCW_CIP | HRCW_ISB111 | HRCW_BMS)
  267. #if defined(CONFIG_MPC8255) || defined(CONFIG_MPC8265)
  268. # define CONFIG_SYS_HRCW_MASTER (__HRCW__ALL__ | HRCW_MODCK_H0111)
  269. #else /* ! MPC8255 && !MPC8265 */
  270. # if defined(CONFIG_266MHz)
  271. # define CONFIG_SYS_HRCW_MASTER (__HRCW__ALL__ | HRCW_MODCK_H0111)
  272. # elif defined(CONFIG_300MHz)
  273. # define CONFIG_SYS_HRCW_MASTER (__HRCW__ALL__ | HRCW_MODCK_H0110)
  274. # else
  275. # define CONFIG_SYS_HRCW_MASTER (__HRCW__ALL__)
  276. # endif
  277. #endif /* CONFIG_MPC8255 */
  278. /* no slaves so just fill with zeros */
  279. #define CONFIG_SYS_HRCW_SLAVE1 0
  280. #define CONFIG_SYS_HRCW_SLAVE2 0
  281. #define CONFIG_SYS_HRCW_SLAVE3 0
  282. #define CONFIG_SYS_HRCW_SLAVE4 0
  283. #define CONFIG_SYS_HRCW_SLAVE5 0
  284. #define CONFIG_SYS_HRCW_SLAVE6 0
  285. #define CONFIG_SYS_HRCW_SLAVE7 0
  286. /*-----------------------------------------------------------------------
  287. * Internal Memory Mapped Register
  288. */
  289. #define CONFIG_SYS_IMMR 0xFFF00000
  290. /*-----------------------------------------------------------------------
  291. * Definitions for initial stack pointer and data area (in DPRAM)
  292. */
  293. #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
  294. #define CONFIG_SYS_INIT_RAM_END 0x4000 /* End of used area in DPRAM */
  295. #define CONFIG_SYS_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data*/
  296. #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
  297. #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
  298. /*-----------------------------------------------------------------------
  299. * Start addresses for the final memory configuration
  300. * (Set up by the startup code)
  301. * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
  302. *
  303. * 60x SDRAM is mapped at CONFIG_SYS_SDRAM_BASE, local SDRAM
  304. * is mapped at SDRAM_BASE2_PRELIM.
  305. */
  306. #define CONFIG_SYS_SDRAM_BASE 0x00000000
  307. #define CONFIG_SYS_FLASH_BASE CONFIG_SYS_FLASH0_BASE
  308. #define CONFIG_SYS_MONITOR_BASE TEXT_BASE
  309. #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
  310. #define CONFIG_SYS_MALLOC_LEN (512 << 10) /* Reserve 512 kB for malloc()*/
  311. /*
  312. * Internal Definitions
  313. *
  314. * Boot Flags
  315. */
  316. #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH*/
  317. #define BOOTFLAG_WARM 0x02 /* Software reboot */
  318. /*-----------------------------------------------------------------------
  319. * Cache Configuration
  320. */
  321. #define CONFIG_SYS_CACHELINE_SIZE 32 /* For MPC8260 CPU */
  322. #if defined(CONFIG_CMD_KGDB)
  323. # define CONFIG_SYS_CACHELINE_SHIFT 5 /* log base 2 of the above value */
  324. #endif
  325. /*-----------------------------------------------------------------------
  326. * HIDx - Hardware Implementation-dependent Registers 2-11
  327. *-----------------------------------------------------------------------
  328. * HID0 also contains cache control - initially enable both caches and
  329. * invalidate contents, then the final state leaves only the instruction
  330. * cache enabled. Note that Power-On and Hard reset invalidate the caches,
  331. * but Soft reset does not.
  332. *
  333. * HID1 has only read-only information - nothing to set.
  334. */
  335. #define CONFIG_SYS_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI|\
  336. HID0_IFEM|HID0_ABE)
  337. #define CONFIG_SYS_HID0_FINAL (HID0_IFEM|HID0_ABE)
  338. #define CONFIG_SYS_HID2 0
  339. /*-----------------------------------------------------------------------
  340. * RMR - Reset Mode Register 5-5
  341. *-----------------------------------------------------------------------
  342. * turn on Checkstop Reset Enable
  343. */
  344. #define CONFIG_SYS_RMR RMR_CSRE
  345. /*-----------------------------------------------------------------------
  346. * BCR - Bus Configuration 4-25
  347. *-----------------------------------------------------------------------
  348. */
  349. #ifdef CONFIG_BUSMODE_60x
  350. #define CONFIG_SYS_BCR (BCR_EBM|BCR_L2C|BCR_LETM|\
  351. BCR_NPQM0|BCR_NPQM1|BCR_NPQM2) /* 60x mode */
  352. #else
  353. #define BCR_APD01 0x10000000
  354. #define CONFIG_SYS_BCR (BCR_APD01|BCR_ETM|BCR_LETM) /* 8260 mode */
  355. #endif
  356. /*-----------------------------------------------------------------------
  357. * SIUMCR - SIU Module Configuration 4-31
  358. *-----------------------------------------------------------------------
  359. */
  360. #if 0
  361. #define CONFIG_SYS_SIUMCR (SIUMCR_DPPC10|SIUMCR_APPC10)
  362. #else
  363. #define CONFIG_SYS_SIUMCR (SIUMCR_DPPC00|SIUMCR_APPC10)
  364. #endif
  365. /*-----------------------------------------------------------------------
  366. * SYPCR - System Protection Control 4-35
  367. * SYPCR can only be written once after reset!
  368. *-----------------------------------------------------------------------
  369. * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
  370. */
  371. #if defined(CONFIG_WATCHDOG)
  372. #define CONFIG_SYS_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
  373. SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE)
  374. #else
  375. #define CONFIG_SYS_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
  376. SYPCR_SWRI|SYPCR_SWP)
  377. #endif /* CONFIG_WATCHDOG */
  378. /*-----------------------------------------------------------------------
  379. * TMCNTSC - Time Counter Status and Control 4-40
  380. *-----------------------------------------------------------------------
  381. * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
  382. * and enable Time Counter
  383. */
  384. #define CONFIG_SYS_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
  385. /*-----------------------------------------------------------------------
  386. * PISCR - Periodic Interrupt Status and Control 4-42
  387. *-----------------------------------------------------------------------
  388. * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
  389. * Periodic timer
  390. */
  391. #define CONFIG_SYS_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE)
  392. /*-----------------------------------------------------------------------
  393. * SCCR - System Clock Control 9-8
  394. *-----------------------------------------------------------------------
  395. * Ensure DFBRG is Divide by 16
  396. */
  397. #define CONFIG_SYS_SCCR 0
  398. /*-----------------------------------------------------------------------
  399. * RCCR - RISC Controller Configuration 13-7
  400. *-----------------------------------------------------------------------
  401. */
  402. #define CONFIG_SYS_RCCR 0
  403. /*
  404. * Init Memory Controller:
  405. *
  406. * Bank Bus Machine PortSz Device
  407. * ---- --- ------- ------ ------
  408. * 0 60x GPCM 64 bit FLASH
  409. * 1 60x SDRAM 64 bit SDRAM
  410. * 2 Local SDRAM 32 bit SDRAM
  411. *
  412. */
  413. /* Initialize SDRAM on local bus
  414. */
  415. #define CONFIG_SYS_INIT_LOCAL_SDRAM
  416. #define SDRAM_MAX_SIZE 0x08000000 /* max. 128 MB */
  417. /* Minimum mask to separate preliminary
  418. * address ranges for CS[0:2]
  419. */
  420. #define CONFIG_SYS_GLOBAL_SDRAM_LIMIT (512<<20) /* less than 512 MB */
  421. #define CONFIG_SYS_LOCAL_SDRAM_LIMIT (128<<20) /* less than 128 MB */
  422. #define CONFIG_SYS_MPTPR 0x4000
  423. /*-----------------------------------------------------------------------------
  424. * Address for Mode Register Set (MRS) command
  425. *-----------------------------------------------------------------------------
  426. * In fact, the address is rather configuration data presented to the SDRAM on
  427. * its address lines. Because the address lines may be mux'ed externally either
  428. * for 8 column or 9 column devices, some bits appear twice in the 8260's
  429. * address:
  430. *
  431. * | (RFU) | (RFU) | WBL | TM | CL | BT | Burst Length |
  432. * | BA1 BA0 | A12 : A10 | A9 | A8 A7 | A6 : A4 | A3 | A2 : A0 |
  433. * 8 columns mux'ing: | A9 | A10 A21 | A22 : A24 | A25 | A26 : A28 |
  434. * 9 columns mux'ing: | A8 | A20 A21 | A22 : A24 | A25 | A26 : A28 |
  435. * Settings: | 0 | 0 0 | 0 1 0 | 0 | 0 1 0 |
  436. *-----------------------------------------------------------------------------
  437. */
  438. #define CONFIG_SYS_MRS_OFFS 0x00000110
  439. /* Bank 0 - FLASH
  440. */
  441. #define CONFIG_SYS_BR0_PRELIM ((CONFIG_SYS_FLASH_BASE & BRx_BA_MSK) |\
  442. BRx_PS_64 |\
  443. BRx_MS_GPCM_P |\
  444. BRx_V)
  445. #define CONFIG_SYS_OR0_PRELIM (MEG_TO_AM(CONFIG_SYS_FLASH_SIZE) |\
  446. ORxG_CSNT |\
  447. ORxG_ACS_DIV1 |\
  448. ORxG_SCY_3_CLK |\
  449. ORxG_EHTR |\
  450. ORxG_TRLX)
  451. /* SDRAM on TQM8260 can have either 8 or 9 columns.
  452. * The number affects configuration values.
  453. */
  454. /* Bank 1 - 60x bus SDRAM
  455. */
  456. #define CONFIG_SYS_PSRT 0x20
  457. #define CONFIG_SYS_LSRT 0x20
  458. #ifndef CONFIG_SYS_RAMBOOT
  459. #define CONFIG_SYS_BR1_PRELIM ((CONFIG_SYS_SDRAM_BASE & BRx_BA_MSK) |\
  460. BRx_PS_64 |\
  461. BRx_MS_SDRAM_P |\
  462. BRx_V)
  463. #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR1_8COL
  464. /* SDRAM initialization values for 8-column chips
  465. */
  466. #define CONFIG_SYS_OR1_8COL ((~(CONFIG_SYS_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
  467. ORxS_BPD_4 |\
  468. ORxS_ROWST_PBI1_A7 |\
  469. ORxS_NUMR_12)
  470. #define CONFIG_SYS_PSDMR_8COL (PSDMR_PBI |\
  471. PSDMR_SDAM_A15_IS_A5 |\
  472. PSDMR_BSMA_A12_A14 |\
  473. PSDMR_SDA10_PBI1_A8 |\
  474. PSDMR_RFRC_7_CLK |\
  475. PSDMR_PRETOACT_2W |\
  476. PSDMR_ACTTORW_2W |\
  477. PSDMR_LDOTOPRE_1C |\
  478. PSDMR_WRC_2C |\
  479. PSDMR_EAMUX |\
  480. PSDMR_CL_2)
  481. /* SDRAM initialization values for 9-column chips
  482. */
  483. #define CONFIG_SYS_OR1_9COL ((~(CONFIG_SYS_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
  484. ORxS_BPD_4 |\
  485. ORxS_ROWST_PBI1_A5 |\
  486. ORxS_NUMR_13)
  487. #define CONFIG_SYS_PSDMR_9COL (PSDMR_PBI |\
  488. PSDMR_SDAM_A16_IS_A5 |\
  489. PSDMR_BSMA_A12_A14 |\
  490. PSDMR_SDA10_PBI1_A7 |\
  491. PSDMR_RFRC_7_CLK |\
  492. PSDMR_PRETOACT_2W |\
  493. PSDMR_ACTTORW_2W |\
  494. PSDMR_LDOTOPRE_1C |\
  495. PSDMR_WRC_2C |\
  496. PSDMR_EAMUX |\
  497. PSDMR_CL_2)
  498. /* Bank 2 - Local bus SDRAM
  499. */
  500. #ifdef CONFIG_SYS_INIT_LOCAL_SDRAM
  501. #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BRx_BA_MSK) |\
  502. BRx_PS_32 |\
  503. BRx_MS_SDRAM_L |\
  504. BRx_V)
  505. #define CONFIG_SYS_OR2_PRELIM CONFIG_SYS_OR2_8COL
  506. #define SDRAM_BASE2_PRELIM 0x80000000
  507. /* SDRAM initialization values for 8-column chips
  508. */
  509. #define CONFIG_SYS_OR2_8COL ((~(CONFIG_SYS_LOCAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
  510. ORxS_BPD_4 |\
  511. ORxS_ROWST_PBI1_A8 |\
  512. ORxS_NUMR_12)
  513. #define CONFIG_SYS_LSDMR_8COL (PSDMR_PBI |\
  514. PSDMR_SDAM_A15_IS_A5 |\
  515. PSDMR_BSMA_A13_A15 |\
  516. PSDMR_SDA10_PBI1_A9 |\
  517. PSDMR_RFRC_7_CLK |\
  518. PSDMR_PRETOACT_2W |\
  519. PSDMR_ACTTORW_2W |\
  520. PSDMR_BL |\
  521. PSDMR_LDOTOPRE_1C |\
  522. PSDMR_WRC_2C |\
  523. PSDMR_CL_2)
  524. /* SDRAM initialization values for 9-column chips
  525. */
  526. #define CONFIG_SYS_OR2_9COL ((~(CONFIG_SYS_LOCAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
  527. ORxS_BPD_4 |\
  528. ORxS_ROWST_PBI1_A6 |\
  529. ORxS_NUMR_13)
  530. #define CONFIG_SYS_LSDMR_9COL (PSDMR_PBI |\
  531. PSDMR_SDAM_A16_IS_A5 |\
  532. PSDMR_BSMA_A13_A15 |\
  533. PSDMR_SDA10_PBI1_A8 |\
  534. PSDMR_RFRC_7_CLK |\
  535. PSDMR_PRETOACT_2W |\
  536. PSDMR_ACTTORW_2W |\
  537. PSDMR_BL |\
  538. PSDMR_LDOTOPRE_1C |\
  539. PSDMR_WRC_2C |\
  540. PSDMR_CL_2)
  541. #endif /* CONFIG_SYS_INIT_LOCAL_SDRAM */
  542. #endif /* CONFIG_SYS_RAMBOOT */
  543. #endif /* __CONFIG_H */