2 * (C) Copyright 2000, 2001, 2002
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 9600 /* console baudrate */
46 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
48 #define CONFIG_BOOTDELAY 5 /* autoboot after 1 second */
51 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
53 #define CONFIG_BOARD_TYPES 1 /* support board types */
56 #define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
59 #undef CONFIG_BOOTARGS
61 #define CONFIG_NFSBOOTCOMMAND \
63 "setenv bootargs root=/dev/nfs ro nfsroot=$(nfsip):$(rootpath) "\
64 "ip=$(ipaddr):$(nfsip):$(gatewayip):"\
65 "$(netmask):heydeck.eva:eth0:off; "\
68 #define CONFIG_RAMBOOTCOMMAND \
69 "diskboot 100000 0:1; "\
70 "setenv bootargs root=/dev/hda2 panic=1 "\
71 "ip=192.168.0.71:192.168.0.100:192.168.0.2:255.255.255.0; "\
74 #define CONFIG_BOOTCOMMAND \
78 #define CONFIG_MISC_INIT_R 1
80 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
81 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
83 #undef CONFIG_WATCHDOG /* watchdog disabled */
85 #define CONFIG_STATUS_LED 1 /* Status LED enabled */
87 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
89 #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
91 #define CONFIG_MAC_PARTITION
92 #define CONFIG_DOS_PARTITION
94 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
96 #define CONFIG_ETHADDR 00:0B:64:00:00:00 /* our OUI from IEEE */
97 #define CONFIG_KUP4K_LOGO 0x40040000 /* Address of logo bitmap */
99 /* Define to allow the user to overwrite serial and ethaddr */
100 #define CONFIG_ENV_OVERWRITE
102 #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
107 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
108 #include <cmd_confdefs.h>
111 * Miscellaneous configurable options
113 #define CFG_LONGHELP /* undef to save memory */
114 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
115 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
116 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
118 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
120 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
121 #define CFG_MAXARGS 16 /* max number of command args */
122 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
124 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
125 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
127 #define CFG_LOAD_ADDR 0x100000 /* default load address */
129 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
131 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
134 * Low Level Configuration Settings
135 * (address mappings, register initial values, etc.)
136 * You should know what you are doing if you make changes here.
138 /*-----------------------------------------------------------------------
139 * Internal Memory Mapped Register
141 #define CFG_IMMR 0xFFF00000
143 /*-----------------------------------------------------------------------
144 * Definitions for initial stack pointer and data area (in DPRAM)
146 #define CFG_INIT_RAM_ADDR CFG_IMMR
147 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
148 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
149 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
150 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
152 /*-----------------------------------------------------------------------
153 * Start addresses for the final memory configuration
154 * (Set up by the startup code)
155 * Please note that CFG_SDRAM_BASE _must_ start at 0
157 #define CFG_SDRAM_BASE 0x00000000
158 #define CFG_FLASH_BASE 0x40000000
159 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
160 #define CFG_MONITOR_BASE CFG_FLASH_BASE
161 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
164 * For booting Linux, the board info and command line data
165 * have to be in the first 8 MB of memory, since this is
166 * the maximum mapped by the Linux kernel during initialization.
168 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
170 /*-----------------------------------------------------------------------
173 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
174 #define CFG_MAX_FLASH_SECT 67 /* max number of sectors on one chip */
176 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
177 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
179 #define CFG_ENV_IS_IN_FLASH 1
180 #define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
181 #define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */
182 #define CFG_ENV_SECT_SIZE 0x8000
184 /* Address and size of Redundant Environment Sector */
186 #define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SIZE)
187 #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
189 /*-----------------------------------------------------------------------
190 * Hardware Information Block
193 #define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
194 #define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */
195 #define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
197 /*-----------------------------------------------------------------------
198 * Cache Configuration
200 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
201 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
202 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
205 /*-----------------------------------------------------------------------
206 * SYPCR - System Protection Control 11-9
207 * SYPCR can only be written once after reset!
208 *-----------------------------------------------------------------------
209 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
211 #if defined(CONFIG_WATCHDOG)
212 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
213 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
215 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
218 /*-----------------------------------------------------------------------
219 * SIUMCR - SIU Module Configuration 11-6
220 *-----------------------------------------------------------------------
221 * PCMCIA config., multi-function pin tri-state
223 #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC00)
225 /*-----------------------------------------------------------------------
226 * TBSCR - Time Base Status and Control 11-26
227 *-----------------------------------------------------------------------
228 * Clear Reference Interrupt Status, Timebase freezing enabled
230 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
232 /*-----------------------------------------------------------------------
233 * RTCSC - Real-Time Clock Status and Control Register 11-27
234 *-----------------------------------------------------------------------
236 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
238 /*-----------------------------------------------------------------------
239 * PISCR - Periodic Interrupt Status and Control 11-31
240 *-----------------------------------------------------------------------
241 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
243 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
245 /*-----------------------------------------------------------------------
246 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
247 *-----------------------------------------------------------------------
248 * Reset PLL lock status sticky bit, timer expired status bit and timer
249 * interrupt status bit
251 * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
253 #define CFG_PLPRCR ( (3-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_TMIST )
255 /*-----------------------------------------------------------------------
256 * SCCR - System Clock and reset Control Register 15-27
257 *-----------------------------------------------------------------------
258 * Set clock output, timebase and RTC source and divider,
259 * power management and some other internal clocks
261 #define SCCR_MASK SCCR_EBDF00
262 #define CFG_SCCR ( SCCR_TBS | SCCR_EBDF00 | \
263 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
264 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
267 /*-----------------------------------------------------------------------
269 *-----------------------------------------------------------------------
273 /* KUP4K use both slots, SLOT_A as "primary". */
274 #define CONFIG_PCMCIA_SLOT_A 1
276 #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
277 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
278 #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
279 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
280 #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
281 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
282 #define CFG_PCMCIA_IO_ADDR (0xEC000000)
283 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
285 #define PCMCIA_SOCKETS_NO 2
286 #define PCMCIA_MEM_WIN_NO 8
287 /*-----------------------------------------------------------------------
288 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
289 *-----------------------------------------------------------------------
292 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
294 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
295 #undef CONFIG_IDE_LED /* LED for ide not supported */
296 #undef CONFIG_IDE_RESET /* reset for ide not supported */
298 #define CFG_IDE_MAXBUS 2
299 #define CFG_IDE_MAXDEVICE 4
301 #define CFG_ATA_IDE0_OFFSET 0x0000
303 #define CFG_ATA_IDE1_OFFSET (4 * CFG_PCMCIA_MEM_SIZE)
305 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
307 /* Offset for data I/O */
308 #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
310 /* Offset for normal register accesses */
311 #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
313 /* Offset for alternate registers */
314 #define CFG_ATA_ALT_OFFSET 0x0100
317 /*-----------------------------------------------------------------------
319 *-----------------------------------------------------------------------
322 /*#define CFG_DER 0x2002000F*/
326 * Init Memory Controller:
328 * BR0/1 and OR0/1 (FLASH)
330 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
332 /* used to re-map FLASH both when starting from SRAM or FLASH:
333 * restrict access enough to keep SRAM working (if any)
334 * but not too much to meddle with FLASH accesses
336 #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
337 #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
342 #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
343 OR_SCY_2_CLK | OR_EHTR | OR_BI)
345 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
346 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
347 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V )
351 * BR2/3 and OR2/3 (SDRAM)
354 #define SDRAM_BASE1_PRELIM 0x00000000 /* SDRAM bank #0 */
355 #define SDRAM_BASE2_PRELIM 0x20000000 /* SDRAM bank #1 */
356 #define SDRAM_BASE3_PRELIM 0x30000000 /* SDRAM bank #2 */
357 #define SDRAM_MAX_SIZE 0x04000000 /* max 648 MB per bank */
359 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
360 #define CFG_OR_TIMING_SDRAM 0x00000A00
363 #define CFG_OR1_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
364 #define CFG_BR1_PRELIM ((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
366 #define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
367 #define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
369 #define CFG_OR3_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
370 #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
375 * Memory Periodic Timer Prescaler
377 * The Divider for PTA (refresh timer) configuration is based on an
378 * example SDRAM configuration (64 MBit, one bank). The adjustment to
379 * the number of chip selects (NCS) and the actually needed refresh
380 * rate is done by setting MPTPR.
382 * PTA is calculated from
383 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
385 * gclk CPU clock (not bus clock!)
386 * Trefresh Refresh cycle * 4 (four word bursts used)
388 * 4096 Rows from SDRAM example configuration
389 * 1000 factor s -> ms
390 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
391 * 4 Number of refresh cycles per period
392 * 64 Refresh cycle in ms per number of rows
393 * --------------------------------------------
394 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
396 * 50 MHz => 50.000.000 / Divider = 98
397 * 66 Mhz => 66.000.000 / Divider = 129
398 * 80 Mhz => 80.000.000 / Divider = 156
400 #if defined(CONFIG_80MHz)
401 #define CFG_MAMR_PTA 156
402 #elif defined(CONFIG_66MHz)
403 #define CFG_MAMR_PTA 129
405 #define CFG_MAMR_PTA 98
406 #endif /*CONFIG_??MHz */
409 * For 16 MBit, refresh rates could be 31.3 us
410 * (= 64 ms / 2K = 125 / quad bursts).
411 * For a simpler initialization, 15.6 us is used instead.
413 * #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
414 * #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
416 #define CFG_MPTPR 0x400
419 * MAMR settings for SDRAM
421 #define CFG_MAMR 0x80802114
424 * Internal Definitions
428 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
429 #define BOOTFLAG_WARM 0x02 /* Software reboot */
433 #define CONFIG_AUTOBOOT_KEYED /* use key strings to stop autoboot */
435 #define CONFIG_AUTOBOOT_PROMPT "Boote in %d Sekunden - stop mit \"2\"\n"
437 #define CONFIG_AUTOBOOT_STOP_STR "2" /* easy to stop for now */
438 #endif /* NOT_USED_FOR_NOW */
440 #endif /* __CONFIG_H */