TQM8260.h 21 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. #if defined(CONFIG_CONS_NONE) || defined(CONFIG_CONS_USE_EXTC)
  53. #define CONFIG_BAUDRATE 230400
  54. #else
  55. #define CONFIG_BAUDRATE 9600
  56. #endif
  57. #define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo"
  58. #undef CONFIG_BOOTARGS
  59. #define CONFIG_EXTRA_ENV_SETTINGS \
  60. "netdev=eth0\0" \
  61. "nfsargs=setenv bootargs root=/dev/nfs rw " \
  62. "nfsroot=${serverip}:${rootpath}\0" \
  63. "ramargs=setenv bootargs root=/dev/ram rw\0" \
  64. "addip=setenv bootargs ${bootargs} " \
  65. "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
  66. ":${hostname}:${netdev}:off panic=1\0" \
  67. "flash_nfs=run nfsargs addip;" \
  68. "bootm ${kernel_addr}\0" \
  69. "flash_self=run ramargs addip;" \
  70. "bootm ${kernel_addr} ${ramdisk_addr}\0" \
  71. "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
  72. "rootpath=/opt/eldk/ppc_82xx\0" \
  73. "bootfile=/tftpboot/TQM8260/uImage\0" \
  74. "kernel_addr=40040000\0" \
  75. "ramdisk_addr=40100000\0" \
  76. ""
  77. #define CONFIG_BOOTCOMMAND "run flash_self"
  78. /* enable I2C and select the hardware/software driver */
  79. #undef CONFIG_HARD_I2C /* I2C with hardware support */
  80. #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
  81. #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
  82. #define CFG_I2C_SLAVE 0x7F
  83. /*
  84. * Software (bit-bang) I2C driver configuration
  85. */
  86. /* TQM8260 Rev.100 has the clock and data pins swapped (!!!) on EEPROM */
  87. #if (CONFIG_TQM8260 <= 100)
  88. #define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */
  89. #define I2C_ACTIVE (iop->pdir |= 0x00020000)
  90. #define I2C_TRISTATE (iop->pdir &= ~0x00020000)
  91. #define I2C_READ ((iop->pdat & 0x00020000) != 0)
  92. #define I2C_SDA(bit) if(bit) iop->pdat |= 0x00020000; \
  93. else iop->pdat &= ~0x00020000
  94. #define I2C_SCL(bit) if(bit) iop->pdat |= 0x00010000; \
  95. else iop->pdat &= ~0x00010000
  96. #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
  97. #else
  98. #define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */
  99. #define I2C_ACTIVE (iop->pdir |= 0x00010000)
  100. #define I2C_TRISTATE (iop->pdir &= ~0x00010000)
  101. #define I2C_READ ((iop->pdat & 0x00010000) != 0)
  102. #define I2C_SDA(bit) if(bit) iop->pdat |= 0x00010000; \
  103. else iop->pdat &= ~0x00010000
  104. #define I2C_SCL(bit) if(bit) iop->pdat |= 0x00020000; \
  105. else iop->pdat &= ~0x00020000
  106. #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
  107. #endif
  108. #define CFG_I2C_EEPROM_ADDR 0x50
  109. #define CFG_I2C_EEPROM_ADDR_LEN 2
  110. #define CFG_EEPROM_PAGE_WRITE_BITS 4
  111. #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
  112. #define CONFIG_I2C_X
  113. /*
  114. * select serial console configuration
  115. *
  116. * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
  117. * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
  118. * for SCC).
  119. *
  120. * if CONFIG_CONS_NONE is defined, then the serial console routines must
  121. * defined elsewhere (for example, on the cogent platform, there are serial
  122. * ports on the motherboard which are used for the serial console - see
  123. * cogent/cma101/serial.[ch]).
  124. */
  125. #define CONFIG_CONS_ON_SMC /* define if console on SMC */
  126. #undef CONFIG_CONS_ON_SCC /* define if console on SCC */
  127. #undef CONFIG_CONS_NONE /* define if console on something else*/
  128. #ifdef CONFIG_82xx_CONS_SMC1
  129. #define CONFIG_CONS_INDEX 1 /* which serial channel for console */
  130. #endif
  131. #ifdef CONFIG_82xx_CONS_SMC2
  132. #define CONFIG_CONS_INDEX 2 /* which serial channel for console */
  133. #endif
  134. #undef CONFIG_CONS_USE_EXTC /* SMC/SCC use ext clock not brg_clk */
  135. #define CONFIG_CONS_EXTC_RATE 3686400 /* SMC/SCC ext clk rate in Hz */
  136. #define CONFIG_CONS_EXTC_PINSEL 0 /* pin select 0=CLK3/CLK9 */
  137. /*
  138. * select ethernet configuration
  139. *
  140. * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
  141. * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
  142. * for FCC)
  143. *
  144. * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
  145. * defined elsewhere (as for the console), or CONFIG_CMD_NET must be unset.
  146. *
  147. * (On TQM8260 either SCC1 or FCC2 may be chosen: SCC1 is hardwired to the
  148. * X.29 connector, and FCC2 is hardwired to the X.1 connector)
  149. */
  150. #undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */
  151. #define CONFIG_ETHER_ON_FCC /* define if ether on FCC */
  152. #undef CONFIG_ETHER_NONE /* define if ether on something else */
  153. #define CONFIG_ETHER_INDEX 2 /* which SCC/FCC channel for ethernet */
  154. #if defined(CONFIG_ETHER_ON_SCC) && (CONFIG_ETHER_INDEX == 1)
  155. /*
  156. * - RX clk is CLK11
  157. * - TX clk is CLK12
  158. */
  159. # define CFG_CMXSCR_VALUE (CMXSCR_RS1CS_CLK11 | CMXSCR_TS1CS_CLK12)
  160. #elif defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 2)
  161. /*
  162. * - Rx-CLK is CLK13
  163. * - Tx-CLK is CLK14
  164. * - RAM for BD/Buffers is on the 60x Bus (see 28-13)
  165. * - Enable Full Duplex in FSMR
  166. */
  167. # define CFG_CMXFCR_MASK (CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK)
  168. # define CFG_CMXFCR_VALUE (CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14)
  169. # define CFG_CPMFCR_RAMTYPE 0
  170. # define CFG_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB)
  171. #endif /* CONFIG_ETHER_ON_FCC, CONFIG_ETHER_INDEX */
  172. /* system clock rate (CLKIN) - equal to the 60x and local bus speed */
  173. #if defined(CONFIG_MPC8255) || defined(CONFIG_MPC8265)
  174. # define CONFIG_8260_CLKIN 66666666 /* in Hz */
  175. #else /* !CONFIG_MPC8255 && !CONFIG_MPC8265 */
  176. # ifndef CONFIG_300MHz
  177. # define CONFIG_8260_CLKIN 66666666 /* in Hz */
  178. # else
  179. # define CONFIG_8260_CLKIN 83333000 /* in Hz */
  180. # endif
  181. #endif /* CONFIG_MPC8255 */
  182. #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
  183. #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
  184. #undef CONFIG_WATCHDOG /* watchdog disabled */
  185. #define CONFIG_TIMESTAMP /* Print image info with timestamp */
  186. /*
  187. * BOOTP options
  188. */
  189. #define CONFIG_BOOTP_SUBNETMASK
  190. #define CONFIG_BOOTP_GATEWAY
  191. #define CONFIG_BOOTP_HOSTNAME
  192. #define CONFIG_BOOTP_BOOTPATH
  193. #define CONFIG_BOOTP_BOOTFILESIZE
  194. /*
  195. * Command line configuration.
  196. */
  197. #include <config_cmd_default.h>
  198. #define CONFIG_CMD_DHCP
  199. #define CONFIG_CMD_I2C
  200. #define CONFIG_CMD_EEPROM
  201. #define CONFIG_CMD_NFS
  202. #define CONFIG_CMD_SNTP
  203. /*
  204. * Miscellaneous configurable options
  205. */
  206. #define CFG_LONGHELP /* undef to save memory */
  207. #define CFG_PROMPT "=> " /* Monitor Command Prompt */
  208. #define CONFIG_CMDLINE_EDITING 1 /* add command line history */
  209. #define CFG_HUSH_PARSER 1 /* Use the HUSH parser */
  210. #ifdef CFG_HUSH_PARSER
  211. #define CFG_PROMPT_HUSH_PS2 "> "
  212. #endif
  213. #if defined(CONFIG_CMD_KGDB)
  214. #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
  215. #else
  216. #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
  217. #endif
  218. #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
  219. #define CFG_MAXARGS 16 /* max number of command args */
  220. #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
  221. #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
  222. #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
  223. #define CFG_LOAD_ADDR 0x100000 /* default load address */
  224. #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
  225. #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
  226. #define CFG_RESET_ADDRESS 0xFFFFFFFC /* "bad" address */
  227. /*
  228. * For booting Linux, the board info and command line data
  229. * have to be in the first 8 MB of memory, since this is
  230. * the maximum mapped by the Linux kernel during initialization.
  231. */
  232. #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
  233. /* What should the base address of the main FLASH be and how big is
  234. * it (in MBytes)? This must contain TEXT_BASE from board/tqm8260/config.mk
  235. * The main FLASH is whichever is connected to *CS0.
  236. */
  237. #define CFG_FLASH0_BASE 0x40000000
  238. #define CFG_FLASH1_BASE 0x60000000
  239. #define CFG_FLASH0_SIZE 32
  240. #define CFG_FLASH1_SIZE 32
  241. /* Flash bank size (for preliminary settings)
  242. */
  243. #define CFG_FLASH_SIZE CFG_FLASH0_SIZE
  244. /*-----------------------------------------------------------------------
  245. * FLASH organization
  246. */
  247. #define CFG_MAX_FLASH_BANKS 1 /* max num of memory banks */
  248. #define CFG_MAX_FLASH_SECT 128 /* max num of sects on one chip */
  249. #define CFG_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
  250. #define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
  251. #if 0
  252. /* Start port with environment in flash; switch to EEPROM later */
  253. #define CFG_ENV_IS_IN_FLASH 1
  254. #define CFG_ENV_ADDR (CFG_FLASH_BASE+0x40000)
  255. #define CFG_ENV_SIZE 0x40000
  256. #define CFG_ENV_SECT_SIZE 0x40000
  257. #else
  258. /* Final version: environment in EEPROM */
  259. #define CFG_ENV_IS_IN_EEPROM 1
  260. #define CFG_ENV_OFFSET 0
  261. #define CFG_ENV_SIZE 2048
  262. #endif
  263. /*-----------------------------------------------------------------------
  264. * Hardware Information Block
  265. */
  266. #define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
  267. #define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */
  268. #define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
  269. /*-----------------------------------------------------------------------
  270. * Hard Reset Configuration Words
  271. *
  272. * if you change bits in the HRCW, you must also change the CFG_*
  273. * defines for the various registers affected by the HRCW e.g. changing
  274. * HRCW_DPPCxx requires you to also change CFG_SIUMCR.
  275. */
  276. #define __HRCW__ALL__ (HRCW_CIP | HRCW_ISB111 | HRCW_BMS)
  277. #if defined(CONFIG_MPC8255) || defined(CONFIG_MPC8265)
  278. # define CFG_HRCW_MASTER (__HRCW__ALL__ | HRCW_MODCK_H0111)
  279. #else /* ! MPC8255 && !MPC8265 */
  280. # if defined(CONFIG_266MHz)
  281. # define CFG_HRCW_MASTER (__HRCW__ALL__ | HRCW_MODCK_H0111)
  282. # elif defined(CONFIG_300MHz)
  283. # define CFG_HRCW_MASTER (__HRCW__ALL__ | HRCW_MODCK_H0110)
  284. # else
  285. # define CFG_HRCW_MASTER (__HRCW__ALL__)
  286. # endif
  287. #endif /* CONFIG_MPC8255 */
  288. /* no slaves so just fill with zeros */
  289. #define CFG_HRCW_SLAVE1 0
  290. #define CFG_HRCW_SLAVE2 0
  291. #define CFG_HRCW_SLAVE3 0
  292. #define CFG_HRCW_SLAVE4 0
  293. #define CFG_HRCW_SLAVE5 0
  294. #define CFG_HRCW_SLAVE6 0
  295. #define CFG_HRCW_SLAVE7 0
  296. /*-----------------------------------------------------------------------
  297. * Internal Memory Mapped Register
  298. */
  299. #define CFG_IMMR 0xFFF00000
  300. /*-----------------------------------------------------------------------
  301. * Definitions for initial stack pointer and data area (in DPRAM)
  302. */
  303. #define CFG_INIT_RAM_ADDR CFG_IMMR
  304. #define CFG_INIT_RAM_END 0x4000 /* End of used area in DPRAM */
  305. #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data*/
  306. #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
  307. #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
  308. /*-----------------------------------------------------------------------
  309. * Start addresses for the final memory configuration
  310. * (Set up by the startup code)
  311. * Please note that CFG_SDRAM_BASE _must_ start at 0
  312. *
  313. * 60x SDRAM is mapped at CFG_SDRAM_BASE, local SDRAM
  314. * is mapped at SDRAM_BASE2_PRELIM.
  315. */
  316. #define CFG_SDRAM_BASE 0x00000000
  317. #define CFG_FLASH_BASE CFG_FLASH0_BASE
  318. #define CFG_MONITOR_BASE TEXT_BASE
  319. #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
  320. #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc()*/
  321. /*
  322. * Internal Definitions
  323. *
  324. * Boot Flags
  325. */
  326. #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH*/
  327. #define BOOTFLAG_WARM 0x02 /* Software reboot */
  328. /*-----------------------------------------------------------------------
  329. * Cache Configuration
  330. */
  331. #define CFG_CACHELINE_SIZE 32 /* For MPC8260 CPU */
  332. #if defined(CONFIG_CMD_KGDB)
  333. # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
  334. #endif
  335. /*-----------------------------------------------------------------------
  336. * HIDx - Hardware Implementation-dependent Registers 2-11
  337. *-----------------------------------------------------------------------
  338. * HID0 also contains cache control - initially enable both caches and
  339. * invalidate contents, then the final state leaves only the instruction
  340. * cache enabled. Note that Power-On and Hard reset invalidate the caches,
  341. * but Soft reset does not.
  342. *
  343. * HID1 has only read-only information - nothing to set.
  344. */
  345. #define CFG_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI|\
  346. HID0_IFEM|HID0_ABE)
  347. #define CFG_HID0_FINAL (HID0_IFEM|HID0_ABE)
  348. #define CFG_HID2 0
  349. /*-----------------------------------------------------------------------
  350. * RMR - Reset Mode Register 5-5
  351. *-----------------------------------------------------------------------
  352. * turn on Checkstop Reset Enable
  353. */
  354. #define CFG_RMR RMR_CSRE
  355. /*-----------------------------------------------------------------------
  356. * BCR - Bus Configuration 4-25
  357. *-----------------------------------------------------------------------
  358. */
  359. #ifdef CONFIG_BUSMODE_60x
  360. #define CFG_BCR (BCR_EBM|BCR_L2C|BCR_LETM|\
  361. BCR_NPQM0|BCR_NPQM1|BCR_NPQM2) /* 60x mode */
  362. #else
  363. #define BCR_APD01 0x10000000
  364. #define CFG_BCR (BCR_APD01|BCR_ETM|BCR_LETM) /* 8260 mode */
  365. #endif
  366. /*-----------------------------------------------------------------------
  367. * SIUMCR - SIU Module Configuration 4-31
  368. *-----------------------------------------------------------------------
  369. */
  370. #if 0
  371. #define CFG_SIUMCR (SIUMCR_DPPC10|SIUMCR_APPC10)
  372. #else
  373. #define CFG_SIUMCR (SIUMCR_DPPC00|SIUMCR_APPC10)
  374. #endif
  375. /*-----------------------------------------------------------------------
  376. * SYPCR - System Protection Control 4-35
  377. * SYPCR can only be written once after reset!
  378. *-----------------------------------------------------------------------
  379. * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
  380. */
  381. #if defined(CONFIG_WATCHDOG)
  382. #define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
  383. SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE)
  384. #else
  385. #define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
  386. SYPCR_SWRI|SYPCR_SWP)
  387. #endif /* CONFIG_WATCHDOG */
  388. /*-----------------------------------------------------------------------
  389. * TMCNTSC - Time Counter Status and Control 4-40
  390. *-----------------------------------------------------------------------
  391. * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
  392. * and enable Time Counter
  393. */
  394. #define CFG_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
  395. /*-----------------------------------------------------------------------
  396. * PISCR - Periodic Interrupt Status and Control 4-42
  397. *-----------------------------------------------------------------------
  398. * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
  399. * Periodic timer
  400. */
  401. #define CFG_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE)
  402. /*-----------------------------------------------------------------------
  403. * SCCR - System Clock Control 9-8
  404. *-----------------------------------------------------------------------
  405. * Ensure DFBRG is Divide by 16
  406. */
  407. #define CFG_SCCR 0
  408. /*-----------------------------------------------------------------------
  409. * RCCR - RISC Controller Configuration 13-7
  410. *-----------------------------------------------------------------------
  411. */
  412. #define CFG_RCCR 0
  413. /*
  414. * Init Memory Controller:
  415. *
  416. * Bank Bus Machine PortSz Device
  417. * ---- --- ------- ------ ------
  418. * 0 60x GPCM 64 bit FLASH
  419. * 1 60x SDRAM 64 bit SDRAM
  420. * 2 Local SDRAM 32 bit SDRAM
  421. *
  422. */
  423. /* Initialize SDRAM on local bus
  424. */
  425. #define CFG_INIT_LOCAL_SDRAM
  426. #define SDRAM_MAX_SIZE 0x08000000 /* max. 128 MB */
  427. /* Minimum mask to separate preliminary
  428. * address ranges for CS[0:2]
  429. */
  430. #define CFG_GLOBAL_SDRAM_LIMIT (512<<20) /* less than 512 MB */
  431. #define CFG_LOCAL_SDRAM_LIMIT (128<<20) /* less than 128 MB */
  432. #define CFG_MPTPR 0x4000
  433. /*-----------------------------------------------------------------------------
  434. * Address for Mode Register Set (MRS) command
  435. *-----------------------------------------------------------------------------
  436. * In fact, the address is rather configuration data presented to the SDRAM on
  437. * its address lines. Because the address lines may be mux'ed externally either
  438. * for 8 column or 9 column devices, some bits appear twice in the 8260's
  439. * address:
  440. *
  441. * | (RFU) | (RFU) | WBL | TM | CL | BT | Burst Length |
  442. * | BA1 BA0 | A12 : A10 | A9 | A8 A7 | A6 : A4 | A3 | A2 : A0 |
  443. * 8 columns mux'ing: | A9 | A10 A21 | A22 : A24 | A25 | A26 : A28 |
  444. * 9 columns mux'ing: | A8 | A20 A21 | A22 : A24 | A25 | A26 : A28 |
  445. * Settings: | 0 | 0 0 | 0 1 0 | 0 | 0 1 0 |
  446. *-----------------------------------------------------------------------------
  447. */
  448. #define CFG_MRS_OFFS 0x00000110
  449. /* Bank 0 - FLASH
  450. */
  451. #define CFG_BR0_PRELIM ((CFG_FLASH_BASE & BRx_BA_MSK) |\
  452. BRx_PS_64 |\
  453. BRx_MS_GPCM_P |\
  454. BRx_V)
  455. #define CFG_OR0_PRELIM (MEG_TO_AM(CFG_FLASH_SIZE) |\
  456. ORxG_CSNT |\
  457. ORxG_ACS_DIV1 |\
  458. ORxG_SCY_3_CLK |\
  459. ORxG_EHTR |\
  460. ORxG_TRLX)
  461. /* SDRAM on TQM8260 can have either 8 or 9 columns.
  462. * The number affects configuration values.
  463. */
  464. /* Bank 1 - 60x bus SDRAM
  465. */
  466. #define CFG_PSRT 0x20
  467. #define CFG_LSRT 0x20
  468. #ifndef CFG_RAMBOOT
  469. #define CFG_BR1_PRELIM ((CFG_SDRAM_BASE & BRx_BA_MSK) |\
  470. BRx_PS_64 |\
  471. BRx_MS_SDRAM_P |\
  472. BRx_V)
  473. #define CFG_OR1_PRELIM CFG_OR1_8COL
  474. /* SDRAM initialization values for 8-column chips
  475. */
  476. #define CFG_OR1_8COL ((~(CFG_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
  477. ORxS_BPD_4 |\
  478. ORxS_ROWST_PBI1_A7 |\
  479. ORxS_NUMR_12)
  480. #define CFG_PSDMR_8COL (PSDMR_PBI |\
  481. PSDMR_SDAM_A15_IS_A5 |\
  482. PSDMR_BSMA_A12_A14 |\
  483. PSDMR_SDA10_PBI1_A8 |\
  484. PSDMR_RFRC_7_CLK |\
  485. PSDMR_PRETOACT_2W |\
  486. PSDMR_ACTTORW_2W |\
  487. PSDMR_LDOTOPRE_1C |\
  488. PSDMR_WRC_2C |\
  489. PSDMR_EAMUX |\
  490. PSDMR_CL_2)
  491. /* SDRAM initialization values for 9-column chips
  492. */
  493. #define CFG_OR1_9COL ((~(CFG_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
  494. ORxS_BPD_4 |\
  495. ORxS_ROWST_PBI1_A5 |\
  496. ORxS_NUMR_13)
  497. #define CFG_PSDMR_9COL (PSDMR_PBI |\
  498. PSDMR_SDAM_A16_IS_A5 |\
  499. PSDMR_BSMA_A12_A14 |\
  500. PSDMR_SDA10_PBI1_A7 |\
  501. PSDMR_RFRC_7_CLK |\
  502. PSDMR_PRETOACT_2W |\
  503. PSDMR_ACTTORW_2W |\
  504. PSDMR_LDOTOPRE_1C |\
  505. PSDMR_WRC_2C |\
  506. PSDMR_EAMUX |\
  507. PSDMR_CL_2)
  508. /* Bank 2 - Local bus SDRAM
  509. */
  510. #ifdef CFG_INIT_LOCAL_SDRAM
  511. #define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BRx_BA_MSK) |\
  512. BRx_PS_32 |\
  513. BRx_MS_SDRAM_L |\
  514. BRx_V)
  515. #define CFG_OR2_PRELIM CFG_OR2_8COL
  516. #define SDRAM_BASE2_PRELIM 0x80000000
  517. /* SDRAM initialization values for 8-column chips
  518. */
  519. #define CFG_OR2_8COL ((~(CFG_LOCAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
  520. ORxS_BPD_4 |\
  521. ORxS_ROWST_PBI1_A8 |\
  522. ORxS_NUMR_12)
  523. #define CFG_LSDMR_8COL (PSDMR_PBI |\
  524. PSDMR_SDAM_A15_IS_A5 |\
  525. PSDMR_BSMA_A13_A15 |\
  526. PSDMR_SDA10_PBI1_A9 |\
  527. PSDMR_RFRC_7_CLK |\
  528. PSDMR_PRETOACT_2W |\
  529. PSDMR_ACTTORW_2W |\
  530. PSDMR_BL |\
  531. PSDMR_LDOTOPRE_1C |\
  532. PSDMR_WRC_2C |\
  533. PSDMR_CL_2)
  534. /* SDRAM initialization values for 9-column chips
  535. */
  536. #define CFG_OR2_9COL ((~(CFG_LOCAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
  537. ORxS_BPD_4 |\
  538. ORxS_ROWST_PBI1_A6 |\
  539. ORxS_NUMR_13)
  540. #define CFG_LSDMR_9COL (PSDMR_PBI |\
  541. PSDMR_SDAM_A16_IS_A5 |\
  542. PSDMR_BSMA_A13_A15 |\
  543. PSDMR_SDA10_PBI1_A8 |\
  544. PSDMR_RFRC_7_CLK |\
  545. PSDMR_PRETOACT_2W |\
  546. PSDMR_ACTTORW_2W |\
  547. PSDMR_BL |\
  548. PSDMR_LDOTOPRE_1C |\
  549. PSDMR_WRC_2C |\
  550. PSDMR_CL_2)
  551. #endif /* CFG_INIT_LOCAL_SDRAM */
  552. #endif /* CFG_RAMBOOT */
  553. #endif /* __CONFIG_H */