3 * Frank Panno <fpanno@delphintech.com>, Delphin Technology AG
5 * This file is based on similar values for other boards found in other
6 * U-Boot config files, and some that I found in the EP8260 manual.
8 * See file CREDITS for list of people who contributed to this
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 * board/config.h - configuration options, board specific
30 * Note: my board is a "SBC 8260 H, V.1.1"
32 * - 32M Local Bus SDRAM
33 * - 16M Flash (4 x AM29DL323DB90WDI)
34 * - 128k NVRAM with RTC
40 /* What is the oscillator's (UX2) frequency in Hz? */
41 #define CONFIG_8260_CLKIN (66 * 1000 * 1000)
43 /*-----------------------------------------------------------------------
44 * MODCK_H & MODCLK[1-3] - Ref: Section 9.2 in MPC8206 User Manual
45 *-----------------------------------------------------------------------
46 * What should MODCK_H be? It is dependent on the oscillator
47 * frequency, MODCK[1-3], and desired CPM and core frequencies.
48 * Here are some example values (all frequencies are in MHz):
50 * MODCK_H MODCK[1-3] Osc CPM Core
51 * ------- ---------- --- --- ----
60 * 0x5 0x7 66 133 200 *
65 #define CFG_SBC_MODCK_H 0x05
67 /* Define this if you want to boot from 0x00000100. If you don't define
68 * this, you will need to program the bootloader to 0xfff00000, and
69 * get the hardware reset config words at 0xfe000000. The simplest
70 * way to do that is to program the bootloader at both addresses.
71 * It is suggested that you just let U-Boot live at 0x00000000.
73 /* #define CFG_SBC_BOOT_LOW 1 */ /* only for HRCW */
74 /* #undef CFG_SBC_BOOT_LOW */
76 /* The reset command will not work as expected if the reset address does
77 * not point to the correct address.
80 #define CFG_RESET_ADDRESS 0xFFF00100
82 /* What should the base address of the main FLASH be and how big is
83 * it (in MBytes)? This must contain TEXT_BASE from board/ep8260/config.mk
84 * The main FLASH is whichever is connected to *CS0. U-Boot expects
85 * this to be the SIMM.
87 #define CFG_FLASH0_BASE 0xFF000000
88 #define CFG_FLASH0_SIZE 16
90 /* What should the base address of the secondary FLASH be and how big
91 * is it (in Mbytes)? The secondary FLASH is whichever is connected
92 * to *CS6. U-Boot expects this to be the on board FLASH. If you don't
93 * want it enabled, don't define these constants.
95 #define CFG_FLASH1_BASE 0
96 #define CFG_FLASH1_SIZE 0
97 #undef CFG_FLASH1_BASE
98 #undef CFG_FLASH1_SIZE
100 /* What should be the base address of SDRAM DIMM (60x bus) and how big is
103 #define CFG_SDRAM0_BASE 0x00000000
104 #define CFG_SDRAM0_SIZE 64
106 /* define CFG_LSDRAM if you want to enable the 32M SDRAM on the
107 * local bus (8260 local bus is NOT cacheable!)
109 /* #define CFG_LSDRAM */
113 /* What should be the base address of SDRAM DIMM (local bus) and how big is
116 #define CFG_SDRAM1_BASE 0x04000000
117 #define CFG_SDRAM1_SIZE 32
119 #define CFG_SDRAM1_BASE 0
120 #define CFG_SDRAM1_SIZE 0
121 #undef CFG_SDRAM1_BASE
122 #undef CFG_SDRAM1_SIZE
123 #endif /* CFG_LSDRAM */
125 /* What should be the base address of NVRAM and how big is
128 #define CFG_NVRAM_BASE_ADDR 0xFa080000
129 #define CFG_NVRAM_SIZE (128*1024)-16
131 /* The RTC is a Dallas DS1556
133 #define CONFIG_RTC_DS1556
135 /* What should be the base address of the LEDs and switch S0?
136 * If you don't want them enabled, don't define this.
138 #define CFG_LED_BASE 0x00000000
142 * select serial console configuration
144 * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
145 * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
148 * if CONFIG_CONS_NONE is defined, then the serial console routines must
151 #define CONFIG_CONS_ON_SMC /* define if console on SMC */
152 #undef CONFIG_CONS_ON_SCC /* define if console on SCC */
153 #undef CONFIG_CONS_NONE /* define if console on neither */
154 #define CONFIG_CONS_INDEX 1 /* which SMC/SCC channel for console */
157 * select ethernet configuration
159 * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
160 * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
163 * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
164 * defined elsewhere (as for the console), or CFG_CMD_NET must be removed
165 * from CONFIG_COMMANDS to remove support for networking.
167 #undef CONFIG_ETHER_ON_SCC /* define if ethernet on SCC */
168 #define CONFIG_ETHER_ON_FCC /* define if ethernet on FCC */
169 #undef CONFIG_ETHER_NONE /* define if ethernet on neither */
170 #define CONFIG_ETHER_INDEX 3 /* which SCC/FCC channel for ethernet */
172 #if ( CONFIG_ETHER_INDEX == 3 )
177 * - RAM for BD/Buffers is on the local Bus (see 28-13)
178 * - Enable Half Duplex in FSMR
180 # define CFG_CMXFCR_MASK (CMXFCR_FC3|CMXFCR_RF3CS_MSK|CMXFCR_TF3CS_MSK)
181 # define CFG_CMXFCR_VALUE (CMXFCR_RF3CS_CLK15|CMXFCR_TF3CS_CLK16)
184 * - RAM for BD/Buffers is on the local Bus (see 28-13)
187 #define CFG_CPMFCR_RAMTYPE 3
188 #else /* CFG_LSDRAM */
189 #define CFG_CPMFCR_RAMTYPE 0
190 #endif /* CFG_LSDRAM */
192 /* - Enable Half Duplex in FSMR */
193 /* # define CFG_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB) */
194 # define CFG_FCC_PSMR 0
196 #else /* CONFIG_ETHER_INDEX */
197 # error "on EP8260 ethernet must be FCC3"
198 #endif /* CONFIG_ETHER_INDEX */
201 * select i2c support configuration
203 * Supported configurations are {none, software, hardware} drivers.
204 * If the software driver is chosen, there are some additional
205 * configuration items that the driver uses to drive the port pins.
207 #undef CONFIG_HARD_I2C /* I2C with hardware support */
208 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
209 #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
210 #define CFG_I2C_SLAVE 0x7F
213 * Software (bit-bang) I2C driver configuration
215 #ifdef CONFIG_SOFT_I2C
216 #define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */
217 #define I2C_ACTIVE (iop->pdir |= 0x00010000)
218 #define I2C_TRISTATE (iop->pdir &= ~0x00010000)
219 #define I2C_READ ((iop->pdat & 0x00010000) != 0)
220 #define I2C_SDA(bit) if(bit) iop->pdat |= 0x00010000; \
221 else iop->pdat &= ~0x00010000
222 #define I2C_SCL(bit) if(bit) iop->pdat |= 0x00020000; \
223 else iop->pdat &= ~0x00020000
224 #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
225 #endif /* CONFIG_SOFT_I2C */
227 /* #define CONFIG_RTC_DS174x */
229 /* Define this to reserve an entire FLASH sector (256 KB) for
230 * environment variables. Otherwise, the environment will be
231 * put in the same sector as U-Boot, and changing variables
232 * will erase U-Boot temporarily
234 #define CFG_ENV_IN_OWN_SECT
236 /* Define to allow the user to overwrite serial and ethaddr */
237 #define CONFIG_ENV_OVERWRITE
239 /* What should the console's baud rate be? */
240 /* #define CONFIG_BAUDRATE 57600 */
241 #define CONFIG_BAUDRATE 115200
243 /* Ethernet MAC address */
244 #define CONFIG_ETHADDR 00:10:EC:00:30:8C
246 #define CONFIG_IPADDR 192.168.254.130
247 #define CONFIG_SERVERIP 192.168.254.49
249 /* Set to a positive value to delay for running BOOTCOMMAND */
250 #define CONFIG_BOOTDELAY -1
252 /* undef this to save memory */
255 /* Monitor Command Prompt */
256 #define CFG_PROMPT "=> "
258 /* Define this variable to enable the "hush" shell (from
259 Busybox) as command line interpreter, thus enabling
260 powerful command line syntax like
261 if...then...else...fi conditionals or `&&' and '||'
262 constructs ("shell scripts").
263 If undefined, you get the old, much simpler behaviour
264 with a somewhat smapper memory footprint.
266 #define CFG_HUSH_PARSER
267 #define CFG_PROMPT_HUSH_PS2 "> "
269 /* What U-Boot subsytems do you want enabled? */
272 #define CONFIG_COMMANDS ( CFG_CMD_ALL & \
293 /* Where do the internal registers live? */
294 #define CFG_IMMR 0xF0000000
295 #define CFG_DEFAULT_IMMR 0x00010000
297 /* Where do the on board registers (CS4) live? */
298 #define CFG_REGS_BASE 0xFA000000
300 /*****************************************************************************
302 * You should not have to modify any of the following settings
304 *****************************************************************************/
306 #define CONFIG_MPC8260 1 /* This is an MPC8260 CPU */
307 #define CONFIG_EP8260 11 /* on an Embedded Planet EP8260 Board, Rev. 11 */
309 #define CONFIG_BOARD_PRE_INIT 1 /* Call board_pre_init */
311 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
312 #include <cmd_confdefs.h>
315 * Miscellaneous configurable options
317 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
318 # define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
320 # define CFG_CBSIZE 256 /* Console I/O Buffer Size */
323 /* Print Buffer Size */
324 #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT)+16)
326 #define CFG_MAXARGS 8 /* max number of command args */
328 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
331 #define CFG_MEMTEST_START 0x04000000 /* memtest works on */
332 #define CFG_MEMTEST_END 0x06000000 /* 64-96 MB in SDRAM */
334 #define CFG_MEMTEST_START 0x00000000 /* memtest works on */
335 #define CFG_MEMTEST_END 0x02000000 /* 0-32 MB in SDRAM */
336 #endif /* CFG_LSDRAM */
338 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
340 #define CFG_LOAD_ADDR 0x00100000 /* default load address */
341 #define CFG_TFTP_LOADADDR 0x00100000 /* default load address for network file downloads */
343 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
345 /* valid baudrates */
346 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
349 * Low Level Configuration Settings
350 * (address mappings, register initial values, etc.)
351 * You should know what you are doing if you make changes here.
354 #define CFG_FLASH_BASE CFG_FLASH0_BASE
355 #define CFG_SDRAM_BASE CFG_SDRAM0_BASE
357 /*-----------------------------------------------------------------------
358 * Hard Reset Configuration Words
361 #if defined(CFG_SBC_BOOT_LOW)
362 # define CFG_SBC_HRCW_BOOT_FLAGS (HRCW_CIP | HRCW_BMS)
364 # define CFG_SBC_HRCW_BOOT_FLAGS (0x00000000)
365 #endif /* defined(CFG_SBC_BOOT_LOW) */
367 /* get the HRCW ISB field from CFG_IMMR */
369 #define CFG_SBC_HRCW_IMMR ( ((CFG_IMMR & 0x10000000) >> 10) |\
370 ((CFG_IMMR & 0x01000000) >> 7) |\
371 ((CFG_IMMR & 0x00100000) >> 4) )
373 #define CFG_HRCW_MASTER (HRCW_EBM |\
379 CFG_SBC_HRCW_BOOT_FLAGS)
381 #define CFG_HRCW_MASTER 0x10400245
384 #define CFG_HRCW_SLAVE1 0
385 #define CFG_HRCW_SLAVE2 0
386 #define CFG_HRCW_SLAVE3 0
387 #define CFG_HRCW_SLAVE4 0
388 #define CFG_HRCW_SLAVE5 0
389 #define CFG_HRCW_SLAVE6 0
390 #define CFG_HRCW_SLAVE7 0
392 /*-----------------------------------------------------------------------
393 * Definitions for initial stack pointer and data area (in DPRAM)
395 #define CFG_INIT_RAM_ADDR CFG_IMMR
396 #define CFG_INIT_RAM_END 0x4000 /* End of used area in DPRAM */
397 #define CFG_GBL_DATA_SIZE 128 /* bytes reserved for initial data */
398 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
399 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
401 /*-----------------------------------------------------------------------
402 * Start addresses for the final memory configuration
403 * (Set up by the startup code)
404 * Please note that CFG_SDRAM_BASE _must_ start at 0
405 * Note also that the logic that sets CFG_RAMBOOT is platform dependent.
407 #define CFG_MONITOR_BASE TEXT_BASE
410 #if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
414 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
415 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
418 * For booting Linux, the board info and command line data
419 * have to be in the first 8 MB of memory, since this is
420 * the maximum mapped by the Linux kernel during initialization.
422 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
424 /*-----------------------------------------------------------------------
425 * FLASH and environment organization
427 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
428 #define CFG_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
430 #define CFG_FLASH_ERASE_TOUT 8000 /* Timeout for Flash Erase (in ms) */
431 #define CFG_FLASH_WRITE_TOUT 1 /* Timeout for Flash Write (in ms) */
434 # define CFG_ENV_IS_IN_FLASH 1
436 # ifdef CFG_ENV_IN_OWN_SECT
437 # define CFG_ENV_ADDR (CFG_MONITOR_BASE + 0x40000)
438 # define CFG_ENV_SECT_SIZE 0x40000
440 # define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_MONITOR_LEN - CFG_ENV_SECT_SIZE)
441 # define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */
442 # define CFG_ENV_SECT_SIZE 0x10000 /* see README - env sect real size */
443 # endif /* CFG_ENV_IN_OWN_SECT */
445 # define CFG_ENV_IS_IN_NVRAM 1
446 # define CFG_ENV_ADDR (CFG_MONITOR_BASE - 0x1000)
447 # define CFG_ENV_SIZE 0x200
448 #endif /* CFG_RAMBOOT */
450 /*-----------------------------------------------------------------------
451 * Cache Configuration
453 #define CFG_CACHELINE_SIZE 32 /* For MPC8260 CPU */
455 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
456 # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
459 /*-----------------------------------------------------------------------
460 * HIDx - Hardware Implementation-dependent Registers 2-11
461 *-----------------------------------------------------------------------
462 * HID0 also contains cache control - initially enable both caches and
463 * invalidate contents, then the final state leaves only the instruction
464 * cache enabled. Note that Power-On and Hard reset invalidate the caches,
465 * but Soft reset does not.
467 * HID1 has only read-only information - nothing to set.
469 #define CFG_HID0_INIT (HID0_ICE |\
476 /* 8260 local bus is NOT cacheable */
477 #define CFG_HID0_FINAL (/*HID0_ICE |*/\
481 #else /* !CFG_LSDRAM */
482 #define CFG_HID0_FINAL (HID0_ICE |\
486 #endif /* CFG_LSDRAM */
490 /*-----------------------------------------------------------------------
491 * RMR - Reset Mode Register
492 *-----------------------------------------------------------------------
496 /*-----------------------------------------------------------------------
497 * BCR - Bus Configuration 4-25
498 *-----------------------------------------------------------------------
500 /*#define CFG_BCR (BCR_EBM |\
505 #define CFG_BCR 0x80C08000
506 /*-----------------------------------------------------------------------
507 * SIUMCR - SIU Module Configuration 4-31
508 *-----------------------------------------------------------------------
511 #define CFG_SIUMCR (SIUMCR_L2CPC01 |\
516 /*-----------------------------------------------------------------------
517 * SYPCR - System Protection Control 11-9
518 * SYPCR can only be written once after reset!
519 *-----------------------------------------------------------------------
520 * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
523 #define CFG_SYPCR (SYPCR_SWTC |\
529 #define CFG_SYPCR (SYPCR_SWTC |\
534 /*-----------------------------------------------------------------------
535 * TMCNTSC - Time Counter Status and Control 4-40
536 *-----------------------------------------------------------------------
537 * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
538 * and enable Time Counter
540 #define CFG_TMCNTSC (TMCNTSC_SEC |\
545 /*-----------------------------------------------------------------------
546 * PISCR - Periodic Interrupt Status and Control 4-42
547 *-----------------------------------------------------------------------
548 * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
551 /*#define CFG_PISCR (PISCR_PS |\
555 /*-----------------------------------------------------------------------
556 * SCCR - System Clock Control 9-8
557 *-----------------------------------------------------------------------
559 #define CFG_SCCR (SCCR_DFBRG01)
561 /*-----------------------------------------------------------------------
562 * RCCR - RISC Controller Configuration 13-7
563 *-----------------------------------------------------------------------
567 /*-----------------------------------------------------------------------
568 * MPTPR - Memory Refresh Timer Prescale Register 10-32
569 *-----------------------------------------------------------------------
571 #define CFG_MPTPR (0x0A00 & MPTPR_PTP_MSK)
574 * Init Memory Controller:
576 * Bank Bus Machine PortSz Device
577 * ---- --- ------- ------ ------
578 * 0 60x GPCM 64 bit FLASH (BGA - 16MB AMD AM29DL323DB90WDI)
579 * 1 60x SDRAM 64 bit SDRAM (BGA - 64MB Micron 48LC8M16A2TG)
580 * 2 Local SDRAM 32 bit SDRAM (BGA - 32MB Micron 48LC8M16A2TG)
582 * 4 60x GPCM 8 bit Board Regs, NVRTC
592 /*-----------------------------------------------------------------------
593 * BRx - Base Register
594 * Ref: Section 10.3.1 on page 10-14
595 * ORx - Option Register
596 * Ref: Section 10.3.2 on page 10-18
597 *-----------------------------------------------------------------------
603 #define CFG_BR0_PRELIM ((CFG_FLASH0_BASE & BRx_BA_MSK) |\
609 #define CFG_OR0_PRELIM (MEG_TO_AM(CFG_FLASH0_SIZE) |\
618 #define CFG_BR1_PRELIM ((CFG_SDRAM0_BASE & BRx_BA_MSK) |\
623 #define CFG_OR1_PRELIM (MEG_TO_AM(CFG_SDRAM0_SIZE) |\
625 ORxS_ROWST_PBI1_A6 |\
628 #define CFG_PSDMR 0xC34E2462
629 #define CFG_PSRT 0x64
637 #define CFG_BR2_PRELIM ((CFG_SDRAM1_BASE & BRx_BA_MSK) |\
642 #define CFG_OR2_PRELIM (MEG_TO_AM(CFG_SDRAM1_SIZE) |\
644 ORxS_ROWST_PBI0_A9 |\
647 #define CFG_LSDMR 0x416A2562
648 #define CFG_LSRT 0x64
651 #endif /* CFG_LSDRAM */
653 /* Bank 4 - On board registers
656 #define CFG_BR4_PRELIM ((CFG_REGS_BASE & BRx_BA_MSK) |\
661 #define CFG_OR4_PRELIM (ORxG_AM_MSK |\
667 #define CFG_OR4_PRELIM 0xfff00854
669 /* Bank 8 - On board registers
670 * PCMCIA (currently not working!)
672 #define CFG_BR8_PRELIM ((CFG_REGS_BASE & BRx_BA_MSK) |\
677 #define CFG_OR8_PRELIM (ORxG_AM_MSK |\
684 * Internal Definitions
688 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
689 #define BOOTFLAG_WARM 0x02 /* Software reboot */
691 #endif /* __CONFIG_H */