3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
25 * board/config.h - configuration options, board specific
32 * High Level Configuration Options
36 #define CONFIG_MPC855 1 /* This is a MPC855 CPU */
37 #define CONFIG_C2MON 1 /* ...on a C2MON module */
39 #define CONFIG_80MHz 1 /* Running at 5 * 16 = 80 MHz */
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 = 115kbps */
46 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
48 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
51 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
53 #define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
55 #undef CONFIG_BOOTARGS
56 #define CONFIG_BOOTCOMMAND \
58 "setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
59 "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off; " \
62 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
63 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
65 #undef CONFIG_WATCHDOG /* watchdog disabled */
67 #undef CONFIG_STATUS_LED /* Status LED disabled */
69 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
71 #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
73 #define CONFIG_MAC_PARTITION
74 #define CONFIG_DOS_PARTITION
76 #define CONFIG_FEC_ENET 1 /* Use Fast Ethernet Controller */
78 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
80 #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
85 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
86 #include <cmd_confdefs.h>
89 * Miscellaneous configurable options
91 #define CFG_LONGHELP /* undef to save memory */
92 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
94 #undef CFG_HUSH_PARSER /* use "hush" command parser */
95 #ifdef CFG_HUSH_PARSER
96 #define CFG_PROMPT_HUSH_PS2 "> "
99 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
100 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
102 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
104 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
105 #define CFG_MAXARGS 16 /* max number of command args */
106 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
108 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
109 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
111 #define CFG_LOAD_ADDR 0x100000 /* default load address */
113 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
115 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
118 * Low Level Configuration Settings
119 * (address mappings, register initial values, etc.)
120 * You should know what you are doing if you make changes here.
122 /*-----------------------------------------------------------------------
123 * Internal Memory Mapped Register
125 #define CFG_IMMR 0xFFF00000
127 /*-----------------------------------------------------------------------
128 * Definitions for initial stack pointer and data area (in DPRAM)
130 #define CFG_INIT_RAM_ADDR CFG_IMMR
131 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
132 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
133 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
134 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
136 /*-----------------------------------------------------------------------
137 * Start addresses for the final memory configuration
138 * (Set up by the startup code)
139 * Please note that CFG_SDRAM_BASE _must_ start at 0
141 #define CFG_SDRAM_BASE 0x00000000
142 #define CFG_FLASH_BASE 0x40000000
144 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
146 #define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
148 #define CFG_MONITOR_BASE CFG_FLASH_BASE
149 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
152 * For booting Linux, the board info and command line data
153 * have to be in the first 8 MB of memory, since this is
154 * the maximum mapped by the Linux kernel during initialization.
156 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
158 /*-----------------------------------------------------------------------
161 #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
162 #define CFG_MAX_FLASH_SECT 67 /* max number of sectors on one chip */
164 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
165 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
167 #define CFG_ENV_IS_IN_FLASH 1
168 #define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
169 #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
171 /*-----------------------------------------------------------------------
172 * Cache Configuration
174 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
175 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
176 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
179 /*-----------------------------------------------------------------------
180 * SYPCR - System Protection Control 11-9
181 * SYPCR can only be written once after reset!
182 *-----------------------------------------------------------------------
183 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
185 #if defined(CONFIG_WATCHDOG)
186 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
187 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
189 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
192 /*-----------------------------------------------------------------------
193 * SIUMCR - SIU Module Configuration 11-6
194 *-----------------------------------------------------------------------
195 * PCMCIA config., multi-function pin tri-state
197 #ifndef CONFIG_CAN_DRIVER
198 #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
199 #else /* we must activate GPL5 in the SIUMCR for CAN */
200 #define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
201 #endif /* CONFIG_CAN_DRIVER */
203 /*-----------------------------------------------------------------------
204 * TBSCR - Time Base Status and Control 11-26
205 *-----------------------------------------------------------------------
206 * Clear Reference Interrupt Status, Timebase freezing enabled
208 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
210 /*-----------------------------------------------------------------------
211 * RTCSC - Real-Time Clock Status and Control Register 11-27
212 *-----------------------------------------------------------------------
214 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
216 /*-----------------------------------------------------------------------
217 * PISCR - Periodic Interrupt Status and Control 11-31
218 *-----------------------------------------------------------------------
219 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
221 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
223 /*-----------------------------------------------------------------------
224 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
225 *-----------------------------------------------------------------------
226 * Reset PLL lock status sticky bit, timer expired status bit and timer
227 * interrupt status bit
229 * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
231 #ifdef CONFIG_80MHz /* for 80 MHz, we use a 16 MHz clock * 5 */
233 ( (5-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_TMIST )
234 #else /* up to 50 MHz we use a 1:1 clock */
235 #define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
236 #endif /* CONFIG_80MHz */
238 /*-----------------------------------------------------------------------
239 * SCCR - System Clock and reset Control Register 15-27
240 *-----------------------------------------------------------------------
241 * Set clock output, timebase and RTC source and divider,
242 * power management and some other internal clocks
244 #define SCCR_MASK SCCR_EBDF11
245 #ifdef CONFIG_80MHz /* for 80 MHz, we use a 16 MHz clock * 5 */
246 #define CFG_SCCR (/* SCCR_TBS | */ \
247 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
248 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
250 #else /* up to 50 MHz we use a 1:1 clock */
251 #define CFG_SCCR (SCCR_TBS | \
252 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
253 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
255 #endif /* CONFIG_80MHz */
257 /*-----------------------------------------------------------------------
259 *-----------------------------------------------------------------------
262 #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
263 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
264 #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
265 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
266 #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
267 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
268 #define CFG_PCMCIA_IO_ADDR (0xEC000000)
269 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
271 /*-----------------------------------------------------------------------
272 * PCMCIA Power Switch
274 * The C2MON uses a TPS2211A PC-Card Power-Interface Switch to
275 * control the voltages on the PCMCIA slot which is connected
276 * to Port C (all outputs) and Port B (Over-Current Input)
277 *-----------------------------------------------------------------------
280 #define TPS2211_VCCD0 0x0002 /* PC.14 */
281 #define TPS2211_VCCD1 0x0004 /* PC.13 */
282 #define TPS2211_VPPD0 0x0008 /* PC.12 */
283 #define TPS2211_VPPD1 0x0010 /* PC.11 */
284 #define TPS2211_OUTPUTS ( TPS2211_VCCD0 | TPS2211_VCCD1 | \
285 TPS2211_VPPD0 | TPS2211_VPPD1 )
288 #define TPS2211_OC 0x00000200 /* PB.22: Over-Current */
289 #define TPS2211_INPUTS ( TPS2211_OC )
291 /*-----------------------------------------------------------------------
292 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
293 *-----------------------------------------------------------------------
296 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
298 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
299 #undef CONFIG_IDE_LED /* LED for ide not supported */
300 #undef CONFIG_IDE_RESET /* reset for ide not supported */
302 #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
303 #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
305 #define CFG_ATA_IDE0_OFFSET 0x0000
307 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
309 /* Offset for data I/O */
310 #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
312 /* Offset for normal register accesses */
313 #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
315 /* Offset for alternate registers */
316 #define CFG_ATA_ALT_OFFSET 0x0100
319 /*-----------------------------------------------------------------------
321 *-----------------------------------------------------------------------
324 /*#define CFG_DER 0x2002000F*/
328 * Init Memory Controller:
330 * BR0/1 and OR0/1 (FLASH)
333 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
334 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
336 /* used to re-map FLASH both when starting from SRAM or FLASH:
337 * restrict access enough to keep SRAM working (if any)
338 * but not too much to meddle with FLASH accesses
340 #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
341 #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
343 /* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1 */
344 #define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | \
345 OR_SCY_5_CLK | OR_EHTR)
347 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
348 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
349 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
351 #define CFG_OR1_REMAP CFG_OR0_REMAP
352 #define CFG_OR1_PRELIM CFG_OR0_PRELIM
353 #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
356 * BR2/3 and OR2/3 (SDRAM)
359 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
360 #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
361 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
363 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
364 #define CFG_OR_TIMING_SDRAM 0x00000A00
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 #ifndef CONFIG_CAN_DRIVER
370 #define CFG_OR3_PRELIM CFG_OR2_PRELIM
371 #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
372 #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
373 #define CFG_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
374 #define CFG_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
375 #define CFG_OR3_CAN (CFG_CAN_OR_AM | OR_G5LA | OR_BI)
376 #define CFG_BR3_CAN ((CFG_CAN_BASE & BR_BA_MSK) | \
377 BR_PS_8 | BR_MS_UPMB | BR_V )
378 #endif /* CONFIG_CAN_DRIVER */
381 * Memory Periodic Timer Prescaler
384 /* periodic timer for refresh */
385 #define CFG_MAMR_PTA 97 /* start with divider for 100 MHz */
387 /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
388 #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
389 #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
391 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
392 #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
393 #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
396 * MAMR settings for SDRAM
400 #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
401 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
402 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
404 #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
405 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
406 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
410 * Internal Definitions
414 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
415 #define BOOTFLAG_WARM 0x02 /* Software reboot */
417 #endif /* __CONFIG_H */