2 * (C) Copyright 2000-2005
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 * Klaus Heydeck, Kieback & Peter GmbH & Co KG, heydeck@kieback-peter.de
6 * See file CREDITS for list of people who contributed to this
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26 * board/config.h - configuration options, board specific
27 * Derived from ../tqm8xx/tqm8xx.c
34 * High Level Configuration Options
38 #define CONFIG_MPC855 1 /* This is a MPC855 CPU */
39 #define CONFIG_KUP4K 1 /* ...on a KUP4K module */
41 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
42 #undef CONFIG_8xx_CONS_SMC2
43 #undef CONFIG_8xx_CONS_NONE
44 #define CONFIG_BAUDRATE 115200 /* console baudrate */
46 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
48 #define CONFIG_BOOTDELAY 1 /* autoboot after 1 second */
51 #define CONFIG_BOARD_TYPES 1 /* support board types */
54 #undef CONFIG_BOOTARGS
57 #define CONFIG_EXTRA_ENV_SETTINGS \
58 "slot_a_boot=setenv bootargs root=/dev/hda2 ip=off;" \
59 "run addhw; diskboot 200000 0:1; bootm 200000\0" \
60 "slot_b_boot=setenv bootargs root=/dev/hda2 ip=off;" \
61 "run addhw; diskboot 200000 2:1; bootm 200000\0" \
62 "nfs_boot=dhcp; run nfsargs addip addhw; bootm 200000\0" \
63 "panic_boot=echo No Bootdevice !!! reset\0" \
64 "nfsargs=setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath)\0" \
65 "ramargs=setenv bootargs root=/dev/ram rw\0" \
66 "addip=setenv bootargs $(bootargs) ip=$(ipaddr):$(serverip):$(gatewayip)" \
67 ":$(netmask):$(hostname):$(netdev):off\0" \
68 "addhw=setenv bootargs $(bootargs) hw=$(hw) key1=$(key1) panic=1\0" \
72 "load=tftp 200000 bootloader-4k.bitmap;tftp 100000 bootloader-4k.bin\0" \
73 "update=protect off 1:0-7;era 1:0-7;cp.b 100000 40000000 $(filesize);" \
74 "cp.b 200000 40050000 14000\0"
76 #define CONFIG_BOOTCOMMAND \
77 "run slot_a_boot;run slot_b_boot;run nfs_boot;run panic_boot"
80 #define CONFIG_MISC_INIT_R 1
81 #define CONFIG_MISC_INIT_F 1
83 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
84 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
86 #define CONFIG_WATCHDOG 1 /* watchdog enabled */
88 #define CONFIG_STATUS_LED 1 /* Status LED enabled */
90 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
92 #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
94 #define CONFIG_MAC_PARTITION
95 #define CONFIG_DOS_PARTITION
99 * enable I2C and select the hardware/software driver
101 #undef CONFIG_HARD_I2C /* I2C with hardware support */
102 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
104 #define CFG_I2C_SPEED 93000 /* 93 kHz is supposed to work */
105 #define CFG_I2C_SLAVE 0xFE
107 #ifdef CONFIG_SOFT_I2C
109 * Software (bit-bang) I2C driver configuration
111 #define PB_SCL 0x00000020 /* PB 26 */
112 #define PB_SDA 0x00000010 /* PB 27 */
114 #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
115 #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
116 #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
117 #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
118 #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
119 else immr->im_cpm.cp_pbdat &= ~PB_SDA
120 #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
121 else immr->im_cpm.cp_pbdat &= ~PB_SCL
122 #define I2C_DELAY udelay(2) /* 1/4 I2C clock duration */
123 #endif /* CONFIG_SOFT_I2C */
126 /*-----------------------------------------------------------------------
130 #define CFG_I2C_PICIO_ADDR 0x21 /* PCF8574 IO Expander */
131 #define CFG_I2C_RTC_ADDR 0x51 /* PCF8563 RTC */
134 /* List of I2C addresses to be verified by POST */
136 #define I2C_ADDR_LIST {CFG_I2C_PICIO_ADDR, \
141 #define CONFIG_RTC_PCF8563 /* use Philips PCF8563 RTC */
143 #define CFG_DISCOVER_PHY
146 #define CONFIG_ETHADDR 00:0B:64:00:00:00 /* our OUI from IEEE */
148 #define CONFIG_KUP4K_LOGO 0x40050000 /* Address of logo bitmap */
150 /* Define to allow the user to overwrite serial and ethaddr */
151 #define CONFIG_ENV_OVERWRITE
155 #define CONFIG_POST (CFG_POST_CPU | \
160 #define CFG_CMD_POST_DIAG CFG_CMD_DIAG
162 #define CFG_CMD_POST_DIAG 0
166 #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
172 CFG_CMD_POST_DIAG | \
175 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
176 #include <cmd_confdefs.h>
179 * Miscellaneous configurable options
181 #define CFG_LONGHELP /* undef to save memory */
182 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
183 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
184 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
186 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
188 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
189 #define CFG_MAXARGS 16 /* max number of command args */
190 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
192 #define CFG_MEMTEST_START 0x000400000 /* memtest works on */
193 #define CFG_MEMTEST_END 0x002C00000 /* 4 ... 44 MB in DRAM */
195 #define CFG_LOAD_ADDR 0x200000 /* default load address */
197 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
199 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 115200 }
201 #define CFG_CONSOLE_INFO_QUIET 1
204 * Low Level Configuration Settings
205 * (address mappings, register initial values, etc.)
206 * You should know what you are doing if you make changes here.
208 /*-----------------------------------------------------------------------
209 * Internal Memory Mapped Register
211 #define CFG_IMMR 0xFFF00000
213 /*-----------------------------------------------------------------------
214 * Definitions for initial stack pointer and data area (in DPRAM)
216 #define CFG_INIT_RAM_ADDR CFG_IMMR
217 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
218 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
219 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
220 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
222 /*-----------------------------------------------------------------------
223 * Start addresses for the final memory configuration
224 * (Set up by the startup code)
225 * Please note that CFG_SDRAM_BASE _must_ start at 0
227 #define CFG_SDRAM_BASE 0x00000000
228 #define CFG_FLASH_BASE 0x40000000
229 #define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
230 #define CFG_MONITOR_BASE CFG_FLASH_BASE
231 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
234 * For booting Linux, the board info and command line data
235 * have to be in the first 8 MB of memory, since this is
236 * the maximum mapped by the Linux kernel during initialization.
238 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
240 /*-----------------------------------------------------------------------
243 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
244 #define CFG_MAX_FLASH_SECT 19 /* max number of sectors on one chip */
246 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
247 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
249 #define CFG_ENV_IS_IN_FLASH 1
250 #define CFG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */
251 #define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */
252 #define CFG_ENV_SECT_SIZE 0x10000
254 /* Address and size of Redundant Environment Sector */
256 #define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SIZE)
257 #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
259 /*-----------------------------------------------------------------------
260 * Hardware Information Block
263 #define CFG_HWINFO_OFFSET 0x000F0000 /* offset of HW Info block */
264 #define CFG_HWINFO_SIZE 0x00000100 /* size of HW Info block */
265 #define CFG_HWINFO_MAGIC 0x4B26500D /* 'K&P<CR>' */
267 /*-----------------------------------------------------------------------
268 * Cache Configuration
270 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
271 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
272 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
275 /*-----------------------------------------------------------------------
276 * SYPCR - System Protection Control 11-9
277 * SYPCR can only be written once after reset!
278 *-----------------------------------------------------------------------
279 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
281 #if 0 && defined(CONFIG_WATCHDOG) /* KUP uses external TPS3705 WD */
282 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
283 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
285 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
288 /*-----------------------------------------------------------------------
289 * SIUMCR - SIU Module Configuration 11-6
290 *-----------------------------------------------------------------------
291 * PCMCIA config., multi-function pin tri-state
293 #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC00)
295 /*-----------------------------------------------------------------------
296 * TBSCR - Time Base Status and Control 11-26
297 *-----------------------------------------------------------------------
298 * Clear Reference Interrupt Status, Timebase freezing enabled
300 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
302 /*-----------------------------------------------------------------------
303 * RTCSC - Real-Time Clock Status and Control Register 11-27
304 *-----------------------------------------------------------------------
306 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
308 /*-----------------------------------------------------------------------
309 * PISCR - Periodic Interrupt Status and Control 11-31
310 *-----------------------------------------------------------------------
311 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
313 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
315 /*-----------------------------------------------------------------------
316 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
317 *-----------------------------------------------------------------------
318 * Reset PLL lock status sticky bit, timer expired status bit and timer
319 * interrupt status bit
321 * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
323 #define CFG_PLPRCR ( (5-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_TMIST )
325 /*-----------------------------------------------------------------------
326 * SCCR - System Clock and reset Control Register 15-27
327 *-----------------------------------------------------------------------
328 * Set clock output, timebase and RTC source and divider,
329 * power management and some other internal clocks
331 #define SCCR_MASK SCCR_EBDF00
332 #define CFG_SCCR (SCCR_TBS | SCCR_EBDF01 | \
333 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
334 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
337 /*-----------------------------------------------------------------------
339 *-----------------------------------------------------------------------
343 /* KUP4K use both slots, SLOT_A as "primary". */
344 #define CONFIG_PCMCIA_SLOT_A 1
346 #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
347 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
348 #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
349 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
350 #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
351 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
352 #define CFG_PCMCIA_IO_ADDR (0xEC000000)
353 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
355 #define PCMCIA_SOCKETS_NO 2
356 #define PCMCIA_MEM_WIN_NO 8
357 /*-----------------------------------------------------------------------
358 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
359 *-----------------------------------------------------------------------
362 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
364 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
365 #define CONFIG_IDE_LED 1 /* LED for ide supported */
366 #undef CONFIG_IDE_RESET /* reset for ide not supported */
368 #define CFG_IDE_MAXBUS 2
369 #define CFG_IDE_MAXDEVICE 4
371 #define CFG_ATA_IDE0_OFFSET 0x0000
373 #define CFG_ATA_IDE1_OFFSET (4 * CFG_PCMCIA_MEM_SIZE)
375 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
377 /* Offset for data I/O */
378 #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
380 /* Offset for normal register accesses */
381 #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
383 /* Offset for alternate registers */
384 #define CFG_ATA_ALT_OFFSET 0x0100
387 /*-----------------------------------------------------------------------
389 *-----------------------------------------------------------------------
395 * Init Memory Controller:
397 * BR0/1 and OR0/1 (FLASH)
399 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
401 /* used to re-map FLASH both when starting from SRAM or FLASH:
402 * restrict access enough to keep SRAM working (if any)
403 * but not too much to meddle with FLASH accesses
405 #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
406 #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
411 #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
412 OR_SCY_2_CLK | OR_EHTR | OR_BI)
414 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
415 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
416 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V )
419 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
420 #define CFG_OR_TIMING_SDRAM 0x00000A00
424 * Memory Periodic Timer Prescaler
426 * The Divider for PTA (refresh timer) configuration is based on an
427 * example SDRAM configuration (64 MBit, one bank). The adjustment to
428 * the number of chip selects (NCS) and the actually needed refresh
429 * rate is done by setting MPTPR.
431 * PTA is calculated from
432 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
434 * gclk CPU clock (not bus clock!)
435 * Trefresh Refresh cycle * 4 (four word bursts used)
437 * 4096 Rows from SDRAM example configuration
438 * 1000 factor s -> ms
439 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
440 * 4 Number of refresh cycles per period
441 * 64 Refresh cycle in ms per number of rows
442 * --------------------------------------------
443 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
445 * 50 MHz => 50.000.000 / Divider = 98
446 * 66 Mhz => 66.000.000 / Divider = 129
447 * 80 Mhz => 80.000.000 / Divider = 156
449 #if defined(CONFIG_80MHz)
450 #define CFG_MAMR_PTA 156
451 #elif defined(CONFIG_66MHz)
452 #define CFG_MAMR_PTA 129
454 #define CFG_MAMR_PTA 98
455 #endif /*CONFIG_??MHz */
458 * For 16 MBit, refresh rates could be 31.3 us
459 * (= 64 ms / 2K = 125 / quad bursts).
460 * For a simpler initialization, 15.6 us is used instead.
462 * #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
463 * #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
465 #define CFG_MPTPR 0x400
468 * MAMR settings for SDRAM
470 #define CFG_MAMR 0x80802114
473 * Internal Definitions
477 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
478 #define BOOTFLAG_WARM 0x02 /* Software reboot */
481 #define CONFIG_AUTOBOOT_KEYED /* use key strings to stop autoboot */
483 #define CONFIG_AUTOBOOT_PROMPT "Boote in %d Sekunden - stop mit \"2\"\n"
485 #define CONFIG_AUTOBOOT_STOP_STR "." /* easy to stop for now */
486 #define CONFIG_SILENT_CONSOLE 1
488 #endif /* __CONFIG_H */