2 * (C) Copyright 2000, 2001
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * Torsten Stevens, FHG IMS, stevens@ims.fhg.de
6 * Bruno Achauer, Exet AG, bruno@exet-ag.de.
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
29 * [derived from config_TQM850L.h]
36 * High Level Configuration Options
40 #define CONFIG_MPC850 1 /* This is a MPC850 CPU */
41 #define CONFIG_LANTEC 2 /* ...on a Lantec rev.2 board */
43 #define CONFIG_SYS_TEXT_BASE 0x40000000
46 * Port assignments (CONFIG_LANTEC == 1):
48 * - SMC2: J6 (Feature connector)
52 * Port assignments (CONFIG_LANTEC == 2): TBD
56 #undef CONFIG_8xx_CONS_SMC2 /* Console is on SMC2 */
57 #define CONFIG_8xx_CONS_SCC3
58 #undef CONFIG_8xx_CONS_NONE
59 #define CONFIG_BAUDRATE 38400 /* console baudrate = 38.4kbps */
61 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
63 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
66 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
68 #undef CONFIG_BOOTARGS
69 #define CONFIG_BOOTCOMMAND \
70 "setenv bootargs root=/dev/ram panic=5;bootm 40040000 400A0000"
72 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
73 #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
75 #undef CONFIG_WATCHDOG /* watchdog disabled */
77 #define CONFIG_STATUS_LED 1 /* Status LED enabled */
82 #define CONFIG_BOOTP_SUBNETMASK
83 #define CONFIG_BOOTP_GATEWAY
84 #define CONFIG_BOOTP_HOSTNAME
85 #define CONFIG_BOOTP_BOOTPATH
86 #define CONFIG_BOOTP_BOOTFILESIZE
90 * Command line configuration.
92 #include <config_cmd_default.h>
94 #define CONFIG_CMD_ASKENV
95 #define CONFIG_CMD_CACHE
96 #define CONFIG_CMD_CDP
97 #define CONFIG_CMD_DATE
98 #define CONFIG_CMD_DHCP
99 #define CONFIG_CMD_DIAG
100 #define CONFIG_CMD_FAT
101 #define CONFIG_CMD_IMMAP
102 #define CONFIG_CMD_PING
103 #define CONFIG_CMD_PORTIO
104 #define CONFIG_CMD_REGINFO
105 #define CONFIG_CMD_SAVES
106 #define CONFIG_CMD_SDRAM
107 #define CONFIG_CMD_SNTP
109 #undef CONFIG_CMD_XIMG
111 #if !(CONFIG_LANTEC >= 2)
112 #undef CONFIG_CMD_DATE
113 #undef CONFIG_CMD_NET
117 #if CONFIG_LANTEC >= 2
118 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
122 * Miscellaneous configurable options
124 #define CONFIG_SYS_LONGHELP /* undef to save memory */
125 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
126 #if defined(CONFIG_CMD_KGDB)
127 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
129 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
131 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
132 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
133 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
135 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
136 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
138 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
140 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
142 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
145 * Low Level Configuration Settings
146 * (address mappings, register initial values, etc.)
147 * You should know what you are doing if you make changes here.
149 /*-----------------------------------------------------------------------
150 * Internal Memory Mapped Register
152 #define CONFIG_SYS_IMMR 0xFFF00000
154 /*-----------------------------------------------------------------------
155 * Definitions for initial stack pointer and data area (in DPRAM)
157 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
158 #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
159 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
160 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
162 /*-----------------------------------------------------------------------
163 * Start addresses for the final memory configuration
164 * (Set up by the startup code)
165 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
167 #define CONFIG_SYS_SDRAM_BASE 0x00000000
168 #define CONFIG_SYS_FLASH_BASE 0x40000000
169 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
170 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
171 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
174 * For booting Linux, the board info and command line data
175 * have to be in the first 8 MB of memory, since this is
176 * the maximum mapped by the Linux kernel during initialization.
178 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
180 /*-----------------------------------------------------------------------
183 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */
184 #define CONFIG_SYS_MAX_FLASH_SECT 67 /* max number of sectors on one chip */
186 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
187 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
189 #define CONFIG_ENV_IS_IN_FLASH 1
190 #define CONFIG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
191 #define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
193 /*-----------------------------------------------------------------------
194 * Cache Configuration
196 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
197 #if defined(CONFIG_CMD_KGDB)
198 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
201 /*-----------------------------------------------------------------------
202 * SYPCR - System Protection Control 11-9
203 * SYPCR can only be written once after reset!
204 *-----------------------------------------------------------------------
205 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
207 #if defined(CONFIG_WATCHDOG)
208 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
209 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
211 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
214 /*-----------------------------------------------------------------------
215 * SIUMCR - SIU Module Configuration 11-6
216 *-----------------------------------------------------------------------
217 * PCMCIA config., multi-function pin tri-state
219 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01 | SIUMCR_DLK)
221 /*-----------------------------------------------------------------------
222 * Clock Setting - Has the Lantec board a 32kHz clock ??? [XXX]
223 *-----------------------------------------------------------------------
225 #define CONFIG_8xx_GCLK_FREQ 33000000
227 /*-----------------------------------------------------------------------
228 * TBSCR - Time Base Status and Control 11-26
229 *-----------------------------------------------------------------------
230 * Clear Reference Interrupt Status, Timebase freezing enabled
232 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
234 /*-----------------------------------------------------------------------
235 * RTCSC - Real-Time Clock Status and Control Register 11-27
236 *-----------------------------------------------------------------------
238 #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
240 /*-----------------------------------------------------------------------
241 * PISCR - Periodic Interrupt Status and Control 11-31
242 *-----------------------------------------------------------------------
243 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
245 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
247 /*-----------------------------------------------------------------------
248 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
249 *-----------------------------------------------------------------------
250 * Reset PLL lock status sticky bit, timer expired status bit and timer
251 * interrupt status bit
253 * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
255 /* up to 50 MHz we use a 1:1 clock */
256 #define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
258 /*-----------------------------------------------------------------------
259 * SCCR - System Clock and reset Control Register 15-27
260 *-----------------------------------------------------------------------
261 * Set clock output, timebase and RTC source and divider,
262 * power management and some other internal clocks
264 #define SCCR_MASK SCCR_EBDF11
265 /* up to 50 MHz we use a 1:1 clock */
266 #define CONFIG_SYS_SCCR (SCCR_TBS | \
267 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
268 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
271 /*-----------------------------------------------------------------------
273 *-----------------------------------------------------------------------
276 #define CONFIG_SYS_DER 0
279 * Init Memory Controller:
281 * BR0/5 and OR0/5 (FLASH)
284 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
285 #define FLASH_BASE5_PRELIM 0x60000000 /* FLASH bank #1 */
287 /* used to re-map FLASH both when starting from SRAM or FLASH:
288 * restrict access enough to keep SRAM working (if any)
289 * but not too much to meddle with FLASH accesses
291 #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
292 #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
295 #define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_BI | \
296 OR_SCY_5_CLK | OR_TRLX)
298 #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
299 #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
300 #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
302 #define CONFIG_SYS_OR5_REMAP CONFIG_SYS_OR0_REMAP
303 #define CONFIG_SYS_OR5_PRELIM CONFIG_SYS_OR0_PRELIM
304 #define CONFIG_SYS_BR5_PRELIM ((FLASH_BASE5_PRELIM & BR_BA_MSK) | BR_V )
307 * BR2/3 and OR2/3 (SDRAM)
310 #define SDRAM_BASE3_PRELIM 0x00000000 /* SDRAM bank #0 */
311 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
313 /* SDRAM timing: Multiplexed addresses */
314 #define CONFIG_SYS_OR_TIMING_SDRAM (OR_CSNT_SAM)
316 #define CONFIG_SYS_OR3_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
317 #define CONFIG_SYS_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
320 * Memory Periodic Timer Prescaler
323 /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
324 #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
325 #define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
327 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
328 #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
329 #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
332 * MAMR settings for SDRAM
334 /* periodic timer for refresh */
335 #define CONFIG_SYS_MAMR_PTA 97 /* start with divider for 100 MHz */
338 #define CONFIG_SYS_MAMR_8COL \
339 ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
340 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
341 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
347 /* No command line, one static partition, whole device */
348 #undef CONFIG_CMD_MTDPARTS
349 #define CONFIG_JFFS2_DEV "nor0"
350 #define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF
351 #define CONFIG_JFFS2_PART_OFFSET 0x00000000
353 /* mtdparts command line support */
355 #define CONFIG_CMD_MTDPARTS
356 #define MTDIDS_DEFAULT ""
357 #define MTDPARTS_DEFAULT ""
360 #endif /* __CONFIG_H */