TQM8260.h 21 KB

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  1. /*
  2. * (C) Copyright 2001-2003
  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_82xx_CONS_SMC1 1 /* console on SMC1 */
  49. #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
  50. #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
  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. "nfsargs=setenv bootargs root=/dev/nfs rw " \
  55. "nfsroot=$(serverip):$(rootpath)\0" \
  56. "ramargs=setenv bootargs root=/dev/ram rw\0" \
  57. "addip=setenv bootargs $(bootargs) " \
  58. "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)" \
  59. ":$(hostname):$(netdev):off panic=1\0" \
  60. "flash_nfs=run nfsargs addip;" \
  61. "bootm $(kernel_addr)\0" \
  62. "flash_self=run ramargs addip;" \
  63. "bootm $(kernel_addr) $(ramdisk_addr)\0" \
  64. "net_nfs=tftp 200000 $(bootfile);run nfsargs addip;bootm\0" \
  65. "rootpath=/opt/eldk/ppc_82xx\0" \
  66. "bootfile=/tftpboot/TQM8260/uImage\0" \
  67. "kernel_addr=40040000\0" \
  68. "ramdisk_addr=40100000\0" \
  69. ""
  70. #define CONFIG_BOOTCOMMAND "run flash_self"
  71. /* enable I2C and select the hardware/software driver */
  72. #undef CONFIG_HARD_I2C /* I2C with hardware support */
  73. #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
  74. #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
  75. #define CFG_I2C_SLAVE 0x7F
  76. /*
  77. * Software (bit-bang) I2C driver configuration
  78. */
  79. /* TQM8260 Rev.100 has the clock and data pins swapped (!!!) on EEPROM */
  80. #if (CONFIG_TQM8260 <= 100)
  81. #define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */
  82. #define I2C_ACTIVE (iop->pdir |= 0x00020000)
  83. #define I2C_TRISTATE (iop->pdir &= ~0x00020000)
  84. #define I2C_READ ((iop->pdat & 0x00020000) != 0)
  85. #define I2C_SDA(bit) if(bit) iop->pdat |= 0x00020000; \
  86. else iop->pdat &= ~0x00020000
  87. #define I2C_SCL(bit) if(bit) iop->pdat |= 0x00010000; \
  88. else iop->pdat &= ~0x00010000
  89. #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
  90. #else
  91. #define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */
  92. #define I2C_ACTIVE (iop->pdir |= 0x00010000)
  93. #define I2C_TRISTATE (iop->pdir &= ~0x00010000)
  94. #define I2C_READ ((iop->pdat & 0x00010000) != 0)
  95. #define I2C_SDA(bit) if(bit) iop->pdat |= 0x00010000; \
  96. else iop->pdat &= ~0x00010000
  97. #define I2C_SCL(bit) if(bit) iop->pdat |= 0x00020000; \
  98. else iop->pdat &= ~0x00020000
  99. #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
  100. #endif
  101. #define CFG_I2C_EEPROM_ADDR 0x50
  102. #define CFG_I2C_EEPROM_ADDR_LEN 2
  103. #define CFG_EEPROM_PAGE_WRITE_BITS 4
  104. #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
  105. #define CONFIG_I2C_X
  106. /*
  107. * select serial console configuration
  108. *
  109. * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
  110. * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
  111. * for SCC).
  112. *
  113. * if CONFIG_CONS_NONE is defined, then the serial console routines must
  114. * defined elsewhere (for example, on the cogent platform, there are serial
  115. * ports on the motherboard which are used for the serial console - see
  116. * cogent/cma101/serial.[ch]).
  117. */
  118. #define CONFIG_CONS_ON_SMC /* define if console on SMC */
  119. #undef CONFIG_CONS_ON_SCC /* define if console on SCC */
  120. #undef CONFIG_CONS_NONE /* define if console on something else*/
  121. #ifdef CONFIG_82xx_CONS_SMC1
  122. #define CONFIG_CONS_INDEX 1 /* which serial channel for console */
  123. #endif
  124. #ifdef CONFIG_82xx_CONS_SMC2
  125. #define CONFIG_CONS_INDEX 2 /* which serial channel for console */
  126. #endif
  127. #undef CONFIG_CONS_USE_EXTC /* SMC/SCC use ext clock not brg_clk */
  128. #define CONFIG_CONS_EXTC_RATE 3686400 /* SMC/SCC ext clk rate in Hz */
  129. #define CONFIG_CONS_EXTC_PINSEL 0 /* pin select 0=CLK3/CLK9 */
  130. /*
  131. * select ethernet configuration
  132. *
  133. * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
  134. * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
  135. * for FCC)
  136. *
  137. * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
  138. * defined elsewhere (as for the console), or CFG_CMD_NET must be removed
  139. * from CONFIG_COMMANDS to remove support for networking.
  140. *
  141. * (On TQM8260 either SCC1 or FCC2 may be chosen: SCC1 is hardwired to the
  142. * X.29 connector, and FCC2 is hardwired to the X.1 connector)
  143. */
  144. #undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */
  145. #define CONFIG_ETHER_ON_FCC /* define if ether on FCC */
  146. #undef CONFIG_ETHER_NONE /* define if ether on something else */
  147. #define CONFIG_ETHER_INDEX 2 /* which SCC/FCC channel for ethernet */
  148. #if defined(CONFIG_ETHER_ON_SCC) && (CONFIG_ETHER_INDEX == 1)
  149. /*
  150. * - RX clk is CLK11
  151. * - TX clk is CLK12
  152. */
  153. # define CFG_CMXSCR_VALUE (CMXSCR_RS1CS_CLK11 | CMXSCR_TS1CS_CLK12)
  154. #elif defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 2)
  155. /*
  156. * - Rx-CLK is CLK13
  157. * - Tx-CLK is CLK14
  158. * - RAM for BD/Buffers is on the 60x Bus (see 28-13)
  159. * - Enable Full Duplex in FSMR
  160. */
  161. # define CFG_CMXFCR_MASK (CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK)
  162. # define CFG_CMXFCR_VALUE (CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14)
  163. # define CFG_CPMFCR_RAMTYPE 0
  164. # define CFG_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB)
  165. #endif /* CONFIG_ETHER_ON_FCC, CONFIG_ETHER_INDEX */
  166. /* system clock rate (CLKIN) - equal to the 60x and local bus speed */
  167. #if defined(CONFIG_MPC8255) || defined(CONFIG_MPC8265)
  168. # define CONFIG_8260_CLKIN 66666666 /* in Hz */
  169. #else /* !CONFIG_MPC8255 && !CONFIG_MPC8265 */
  170. # ifndef CONFIG_300MHz
  171. # define CONFIG_8260_CLKIN 66666666 /* in Hz */
  172. # else
  173. # define CONFIG_8260_CLKIN 83333000 /* in Hz */
  174. # endif
  175. #endif /* CONFIG_MPC8255 */
  176. #if defined(CONFIG_CONS_NONE) || defined(CONFIG_CONS_USE_EXTC)
  177. #define CONFIG_BAUDRATE 230400
  178. #else
  179. #define CONFIG_BAUDRATE 9600
  180. #endif
  181. #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
  182. #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
  183. #undef CONFIG_WATCHDOG /* watchdog disabled */
  184. #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT|CONFIG_BOOTP_BOOTFILESIZE)
  185. #define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
  186. CFG_CMD_I2C | \
  187. CFG_CMD_EEPROM)
  188. /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
  189. #include <cmd_confdefs.h>
  190. /*
  191. * Miscellaneous configurable options
  192. */
  193. #define CFG_LONGHELP /* undef to save memory */
  194. #define CFG_PROMPT "=> " /* Monitor Command Prompt */
  195. #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
  196. #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
  197. #else
  198. #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
  199. #endif
  200. #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
  201. #define CFG_MAXARGS 16 /* max number of command args */
  202. #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
  203. #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
  204. #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
  205. #define CFG_LOAD_ADDR 0x100000 /* default load address */
  206. #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
  207. #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
  208. #define CFG_RESET_ADDRESS 0xFFFFFFFC /* "bad" address */
  209. /*
  210. * For booting Linux, the board info and command line data
  211. * have to be in the first 8 MB of memory, since this is
  212. * the maximum mapped by the Linux kernel during initialization.
  213. */
  214. #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
  215. /* What should the base address of the main FLASH be and how big is
  216. * it (in MBytes)? This must contain TEXT_BASE from board/tqm8260/config.mk
  217. * The main FLASH is whichever is connected to *CS0.
  218. */
  219. #define CFG_FLASH0_BASE 0x40000000
  220. #define CFG_FLASH1_BASE 0x60000000
  221. #define CFG_FLASH0_SIZE 32
  222. #define CFG_FLASH1_SIZE 32
  223. /* Flash bank size (for preliminary settings)
  224. */
  225. #define CFG_FLASH_SIZE CFG_FLASH0_SIZE
  226. /*-----------------------------------------------------------------------
  227. * FLASH organization
  228. */
  229. #define CFG_MAX_FLASH_BANKS 1 /* max num of memory banks */
  230. #define CFG_MAX_FLASH_SECT 128 /* max num of sects on one chip */
  231. #define CFG_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
  232. #define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
  233. #if 0
  234. /* Start port with environment in flash; switch to EEPROM later */
  235. #define CFG_ENV_IS_IN_FLASH 1
  236. #define CFG_ENV_ADDR (CFG_FLASH_BASE+0x40000)
  237. #define CFG_ENV_SIZE 0x40000
  238. #define CFG_ENV_SECT_SIZE 0x40000
  239. #else
  240. /* Final version: environment in EEPROM */
  241. #define CFG_ENV_IS_IN_EEPROM 1
  242. #define CFG_ENV_OFFSET 0
  243. #define CFG_ENV_SIZE 2048
  244. #endif
  245. /*-----------------------------------------------------------------------
  246. * Hardware Information Block
  247. */
  248. #define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
  249. #define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */
  250. #define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
  251. /*-----------------------------------------------------------------------
  252. * Hard Reset Configuration Words
  253. *
  254. * if you change bits in the HRCW, you must also change the CFG_*
  255. * defines for the various registers affected by the HRCW e.g. changing
  256. * HRCW_DPPCxx requires you to also change CFG_SIUMCR.
  257. */
  258. #define __HRCW__ALL__ (HRCW_CIP | HRCW_ISB111 | HRCW_BMS)
  259. #if defined(CONFIG_MPC8255) || defined(CONFIG_MPC8265)
  260. # define CFG_HRCW_MASTER (__HRCW__ALL__ | HRCW_MODCK_H0111)
  261. #else /* ! MPC8255 && !MPC8265 */
  262. # if defined(CONFIG_266MHz)
  263. # define CFG_HRCW_MASTER (__HRCW__ALL__ | HRCW_MODCK_H0111)
  264. # elif defined(CONFIG_300MHz)
  265. # define CFG_HRCW_MASTER (__HRCW__ALL__ | HRCW_MODCK_H0110)
  266. # else
  267. # define CFG_HRCW_MASTER (__HRCW__ALL__)
  268. # endif
  269. #endif /* CONFIG_MPC8255 */
  270. /* no slaves so just fill with zeros */
  271. #define CFG_HRCW_SLAVE1 0
  272. #define CFG_HRCW_SLAVE2 0
  273. #define CFG_HRCW_SLAVE3 0
  274. #define CFG_HRCW_SLAVE4 0
  275. #define CFG_HRCW_SLAVE5 0
  276. #define CFG_HRCW_SLAVE6 0
  277. #define CFG_HRCW_SLAVE7 0
  278. /*-----------------------------------------------------------------------
  279. * Internal Memory Mapped Register
  280. */
  281. #define CFG_IMMR 0xFFF00000
  282. /*-----------------------------------------------------------------------
  283. * Definitions for initial stack pointer and data area (in DPRAM)
  284. */
  285. #define CFG_INIT_RAM_ADDR CFG_IMMR
  286. #define CFG_INIT_RAM_END 0x4000 /* End of used area in DPRAM */
  287. #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data*/
  288. #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
  289. #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
  290. /*-----------------------------------------------------------------------
  291. * Start addresses for the final memory configuration
  292. * (Set up by the startup code)
  293. * Please note that CFG_SDRAM_BASE _must_ start at 0
  294. *
  295. * 60x SDRAM is mapped at CFG_SDRAM_BASE, local SDRAM
  296. * is mapped at SDRAM_BASE2_PRELIM.
  297. */
  298. #define CFG_SDRAM_BASE 0x00000000
  299. #define CFG_FLASH_BASE CFG_FLASH0_BASE
  300. #define CFG_MONITOR_BASE TEXT_BASE
  301. #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
  302. #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc()*/
  303. /*
  304. * Internal Definitions
  305. *
  306. * Boot Flags
  307. */
  308. #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH*/
  309. #define BOOTFLAG_WARM 0x02 /* Software reboot */
  310. /*-----------------------------------------------------------------------
  311. * Cache Configuration
  312. */
  313. #define CFG_CACHELINE_SIZE 32 /* For MPC8260 CPU */
  314. #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
  315. # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
  316. #endif
  317. /*-----------------------------------------------------------------------
  318. * HIDx - Hardware Implementation-dependent Registers 2-11
  319. *-----------------------------------------------------------------------
  320. * HID0 also contains cache control - initially enable both caches and
  321. * invalidate contents, then the final state leaves only the instruction
  322. * cache enabled. Note that Power-On and Hard reset invalidate the caches,
  323. * but Soft reset does not.
  324. *
  325. * HID1 has only read-only information - nothing to set.
  326. */
  327. #define CFG_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI|\
  328. HID0_IFEM|HID0_ABE)
  329. #define CFG_HID0_FINAL (HID0_IFEM|HID0_ABE)
  330. #define CFG_HID2 0
  331. /*-----------------------------------------------------------------------
  332. * RMR - Reset Mode Register 5-5
  333. *-----------------------------------------------------------------------
  334. * turn on Checkstop Reset Enable
  335. */
  336. #define CFG_RMR RMR_CSRE
  337. /*-----------------------------------------------------------------------
  338. * BCR - Bus Configuration 4-25
  339. *-----------------------------------------------------------------------
  340. */
  341. #ifdef CONFIG_BUSMODE_60x
  342. #define CFG_BCR (BCR_EBM|BCR_L2C|BCR_LETM|\
  343. BCR_NPQM0|BCR_NPQM1|BCR_NPQM2) /* 60x mode */
  344. #else
  345. #define BCR_APD01 0x10000000
  346. #define CFG_BCR (BCR_APD01|BCR_ETM|BCR_LETM) /* 8260 mode */
  347. #endif
  348. /*-----------------------------------------------------------------------
  349. * SIUMCR - SIU Module Configuration 4-31
  350. *-----------------------------------------------------------------------
  351. */
  352. #if 0
  353. #define CFG_SIUMCR (SIUMCR_DPPC10|SIUMCR_APPC10)
  354. #else
  355. #define CFG_SIUMCR (SIUMCR_DPPC00|SIUMCR_APPC10)
  356. #endif
  357. /*-----------------------------------------------------------------------
  358. * SYPCR - System Protection Control 4-35
  359. * SYPCR can only be written once after reset!
  360. *-----------------------------------------------------------------------
  361. * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
  362. */
  363. #if defined(CONFIG_WATCHDOG)
  364. #define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
  365. SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE)
  366. #else
  367. #define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
  368. SYPCR_SWRI|SYPCR_SWP)
  369. #endif /* CONFIG_WATCHDOG */
  370. /*-----------------------------------------------------------------------
  371. * TMCNTSC - Time Counter Status and Control 4-40
  372. *-----------------------------------------------------------------------
  373. * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
  374. * and enable Time Counter
  375. */
  376. #define CFG_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
  377. /*-----------------------------------------------------------------------
  378. * PISCR - Periodic Interrupt Status and Control 4-42
  379. *-----------------------------------------------------------------------
  380. * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
  381. * Periodic timer
  382. */
  383. #define CFG_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE)
  384. /*-----------------------------------------------------------------------
  385. * SCCR - System Clock Control 9-8
  386. *-----------------------------------------------------------------------
  387. * Ensure DFBRG is Divide by 16
  388. */
  389. #define CFG_SCCR 0
  390. /*-----------------------------------------------------------------------
  391. * RCCR - RISC Controller Configuration 13-7
  392. *-----------------------------------------------------------------------
  393. */
  394. #define CFG_RCCR 0
  395. /*
  396. * Init Memory Controller:
  397. *
  398. * Bank Bus Machine PortSz Device
  399. * ---- --- ------- ------ ------
  400. * 0 60x GPCM 64 bit FLASH
  401. * 1 60x SDRAM 64 bit SDRAM
  402. * 2 Local SDRAM 32 bit SDRAM
  403. *
  404. */
  405. /* Initialize SDRAM on local bus
  406. */
  407. #define CFG_INIT_LOCAL_SDRAM
  408. #define SDRAM_MAX_SIZE 0x08000000 /* max. 128 MB */
  409. /* Minimum mask to separate preliminary
  410. * address ranges for CS[0:2]
  411. */
  412. #define CFG_GLOBAL_SDRAM_LIMIT (512<<20) /* less than 512 MB */
  413. #define CFG_LOCAL_SDRAM_LIMIT (128<<20) /* less than 128 MB */
  414. #define CFG_MPTPR 0x4000
  415. /*-----------------------------------------------------------------------------
  416. * Address for Mode Register Set (MRS) command
  417. *-----------------------------------------------------------------------------
  418. * In fact, the address is rather configuration data presented to the SDRAM on
  419. * its address lines. Because the address lines may be mux'ed externally either
  420. * for 8 column or 9 column devices, some bits appear twice in the 8260's
  421. * address:
  422. *
  423. * | (RFU) | (RFU) | WBL | TM | CL | BT | Burst Length |
  424. * | BA1 BA0 | A12 : A10 | A9 | A8 A7 | A6 : A4 | A3 | A2 : A0 |
  425. * 8 columns mux'ing: | A9 | A10 A21 | A22 : A24 | A25 | A26 : A28 |
  426. * 9 columns mux'ing: | A8 | A20 A21 | A22 : A24 | A25 | A26 : A28 |
  427. * Settings: | 0 | 0 0 | 0 1 0 | 0 | 0 1 0 |
  428. *-----------------------------------------------------------------------------
  429. */
  430. #define CFG_MRS_OFFS 0x00000110
  431. /* Bank 0 - FLASH
  432. */
  433. #define CFG_BR0_PRELIM ((CFG_FLASH_BASE & BRx_BA_MSK) |\
  434. BRx_PS_64 |\
  435. BRx_MS_GPCM_P |\
  436. BRx_V)
  437. #define CFG_OR0_PRELIM (MEG_TO_AM(CFG_FLASH_SIZE) |\
  438. ORxG_CSNT |\
  439. ORxG_ACS_DIV1 |\
  440. ORxG_SCY_3_CLK |\
  441. ORxG_EHTR |\
  442. ORxG_TRLX)
  443. /* SDRAM on TQM8260 can have either 8 or 9 columns.
  444. * The number affects configuration values.
  445. */
  446. /* Bank 1 - 60x bus SDRAM
  447. */
  448. #define CFG_PSRT 0x20
  449. #define CFG_LSRT 0x20
  450. #ifndef CFG_RAMBOOT
  451. #define CFG_BR1_PRELIM ((CFG_SDRAM_BASE & BRx_BA_MSK) |\
  452. BRx_PS_64 |\
  453. BRx_MS_SDRAM_P |\
  454. BRx_V)
  455. #define CFG_OR1_PRELIM CFG_OR1_8COL
  456. /* SDRAM initialization values for 8-column chips
  457. */
  458. #define CFG_OR1_8COL ((~(CFG_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
  459. ORxS_BPD_4 |\
  460. ORxS_ROWST_PBI1_A7 |\
  461. ORxS_NUMR_12)
  462. #define CFG_PSDMR_8COL (PSDMR_PBI |\
  463. PSDMR_SDAM_A15_IS_A5 |\
  464. PSDMR_BSMA_A12_A14 |\
  465. PSDMR_SDA10_PBI1_A8 |\
  466. PSDMR_RFRC_7_CLK |\
  467. PSDMR_PRETOACT_2W |\
  468. PSDMR_ACTTORW_2W |\
  469. PSDMR_LDOTOPRE_1C |\
  470. PSDMR_WRC_2C |\
  471. PSDMR_EAMUX |\
  472. PSDMR_CL_2)
  473. /* SDRAM initialization values for 9-column chips
  474. */
  475. #define CFG_OR1_9COL ((~(CFG_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
  476. ORxS_BPD_4 |\
  477. ORxS_ROWST_PBI1_A5 |\
  478. ORxS_NUMR_13)
  479. #define CFG_PSDMR_9COL (PSDMR_PBI |\
  480. PSDMR_SDAM_A16_IS_A5 |\
  481. PSDMR_BSMA_A12_A14 |\
  482. PSDMR_SDA10_PBI1_A7 |\
  483. PSDMR_RFRC_7_CLK |\
  484. PSDMR_PRETOACT_2W |\
  485. PSDMR_ACTTORW_2W |\
  486. PSDMR_LDOTOPRE_1C |\
  487. PSDMR_WRC_2C |\
  488. PSDMR_EAMUX |\
  489. PSDMR_CL_2)
  490. /* Bank 2 - Local bus SDRAM
  491. */
  492. #ifdef CFG_INIT_LOCAL_SDRAM
  493. #define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BRx_BA_MSK) |\
  494. BRx_PS_32 |\
  495. BRx_MS_SDRAM_L |\
  496. BRx_V)
  497. #define CFG_OR2_PRELIM CFG_OR2_8COL
  498. #define SDRAM_BASE2_PRELIM 0x80000000
  499. /* SDRAM initialization values for 8-column chips
  500. */
  501. #define CFG_OR2_8COL ((~(CFG_LOCAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
  502. ORxS_BPD_4 |\
  503. ORxS_ROWST_PBI1_A8 |\
  504. ORxS_NUMR_12)
  505. #define CFG_LSDMR_8COL (PSDMR_PBI |\
  506. PSDMR_SDAM_A15_IS_A5 |\
  507. PSDMR_BSMA_A13_A15 |\
  508. PSDMR_SDA10_PBI1_A9 |\
  509. PSDMR_RFRC_7_CLK |\
  510. PSDMR_PRETOACT_2W |\
  511. PSDMR_ACTTORW_2W |\
  512. PSDMR_BL |\
  513. PSDMR_LDOTOPRE_1C |\
  514. PSDMR_WRC_2C |\
  515. PSDMR_CL_2)
  516. /* SDRAM initialization values for 9-column chips
  517. */
  518. #define CFG_OR2_9COL ((~(CFG_LOCAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
  519. ORxS_BPD_4 |\
  520. ORxS_ROWST_PBI1_A6 |\
  521. ORxS_NUMR_13)
  522. #define CFG_LSDMR_9COL (PSDMR_PBI |\
  523. PSDMR_SDAM_A16_IS_A5 |\
  524. PSDMR_BSMA_A13_A15 |\
  525. PSDMR_SDA10_PBI1_A8 |\
  526. PSDMR_RFRC_7_CLK |\
  527. PSDMR_PRETOACT_2W |\
  528. PSDMR_ACTTORW_2W |\
  529. PSDMR_BL |\
  530. PSDMR_LDOTOPRE_1C |\
  531. PSDMR_WRC_2C |\
  532. PSDMR_CL_2)
  533. #endif /* CFG_INIT_LOCAL_SDRAM */
  534. #endif /* CFG_RAMBOOT */
  535. #endif /* __CONFIG_H */