2 * (C) Copyright 2000-2008
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_MPC850 1 /* This is a MPC850 CPU */
37 #define CONFIG_TQM850M 1 /* ...on a TQM8xxM module */
39 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
40 #undef CONFIG_8xx_CONS_SMC2
41 #undef CONFIG_8xx_CONS_NONE
42 #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
44 #define CONFIG_BOOTCOUNT_LIMIT
46 #define CONFIG_BOARD_TYPES 1 /* support board types */
48 #define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo"
50 #undef CONFIG_BOOTARGS
52 #define CONFIG_EXTRA_ENV_SETTINGS \
54 "nfsargs=setenv bootargs root=/dev/nfs rw " \
55 "nfsroot=${serverip}:${rootpath}\0" \
56 "ramargs=setenv bootargs root=/dev/ram rw\0" \
57 "addip=setenv bootargs ${bootargs} " \
58 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
59 ":${hostname}:${netdev}:off panic=1\0" \
60 "flash_nfs=run nfsargs addip;" \
61 "bootm ${kernel_addr}\0" \
62 "flash_self=run ramargs addip;" \
63 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
64 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
65 "rootpath=/opt/eldk/ppc_8xx\0" \
66 "hostname=TQM850M\0" \
67 "bootfile=TQM850M/uImage\0" \
68 "fdt_addr=40080000\0" \
69 "kernel_addr=400A0000\0" \
70 "ramdisk_addr=40280000\0" \
71 "u-boot=TQM850M/u-image.bin\0" \
72 "load=tftp 200000 ${u-boot}\0" \
73 "update=prot off 40000000 +${filesize};" \
74 "era 40000000 +${filesize};" \
75 "cp.b 200000 40000000 ${filesize};" \
76 "sete filesize;save\0" \
78 #define CONFIG_BOOTCOMMAND "run flash_self"
80 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
81 #undef CONFIG_SYS_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 */
92 #define CONFIG_BOOTP_SUBNETMASK
93 #define CONFIG_BOOTP_GATEWAY
94 #define CONFIG_BOOTP_HOSTNAME
95 #define CONFIG_BOOTP_BOOTPATH
96 #define CONFIG_BOOTP_BOOTFILESIZE
99 #define CONFIG_MAC_PARTITION
100 #define CONFIG_DOS_PARTITION
102 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
105 * Command line configuration.
107 #include <config_cmd_default.h>
109 #define CONFIG_CMD_ASKENV
110 #define CONFIG_CMD_DATE
111 #define CONFIG_CMD_DHCP
112 #define CONFIG_CMD_ELF
113 #define CONFIG_CMD_IDE
114 #define CONFIG_CMD_JFFS2
115 #define CONFIG_CMD_NFS
116 #define CONFIG_CMD_SNTP
119 #define CONFIG_NETCONSOLE
123 * Miscellaneous configurable options
125 #define CONFIG_SYS_LONGHELP /* undef to save memory */
126 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
128 #define CONFIG_CMDLINE_EDITING 1 /* add command line history */
129 #define CONFIG_SYS_HUSH_PARSER 1 /* Use the HUSH parser */
130 #ifdef CONFIG_SYS_HUSH_PARSER
131 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
134 #if defined(CONFIG_CMD_KGDB)
135 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
137 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
139 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
140 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
141 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
143 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
144 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
146 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
148 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
150 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
153 * Low Level Configuration Settings
154 * (address mappings, register initial values, etc.)
155 * You should know what you are doing if you make changes here.
157 /*-----------------------------------------------------------------------
158 * Internal Memory Mapped Register
160 #define CONFIG_SYS_IMMR 0xFFF00000
162 /*-----------------------------------------------------------------------
163 * Definitions for initial stack pointer and data area (in DPRAM)
165 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
166 #define CONFIG_SYS_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
167 #define CONFIG_SYS_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
168 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
169 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
171 /*-----------------------------------------------------------------------
172 * Start addresses for the final memory configuration
173 * (Set up by the startup code)
174 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
176 #define CONFIG_SYS_SDRAM_BASE 0x00000000
177 #define CONFIG_SYS_FLASH_BASE 0x40000000
178 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
179 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
180 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
183 * For booting Linux, the board info and command line data
184 * have to be in the first 8 MB of memory, since this is
185 * the maximum mapped by the Linux kernel during initialization.
187 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
189 /*-----------------------------------------------------------------------
193 /* use CFI flash driver */
194 #define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */
195 #define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
196 #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE }
197 #define CONFIG_SYS_FLASH_EMPTY_INFO
198 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
199 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
200 #define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
202 #define CONFIG_ENV_IS_IN_FLASH 1
203 #define CONFIG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */
204 #define CONFIG_ENV_SIZE 0x08000 /* Total Size of Environment */
205 #define CONFIG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment Sector */
207 /* Address and size of Redundant Environment Sector */
208 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SECT_SIZE)
209 #define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
211 #define CONFIG_SYS_USE_PPCENV /* Environment embedded in sect .ppcenv */
213 #define CONFIG_MISC_INIT_R /* Make sure to remap flashes correctly */
215 /*-----------------------------------------------------------------------
216 * Dynamic MTD partition support
218 #define CONFIG_JFFS2_CMDLINE
219 #define MTDIDS_DEFAULT "nor0=TQM8xxM-0"
221 #define MTDPARTS_DEFAULT "mtdparts=TQM8xxM-0:512k(u-boot)," \
227 /*-----------------------------------------------------------------------
228 * Hardware Information Block
230 #define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
231 #define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
232 #define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
234 /*-----------------------------------------------------------------------
235 * Cache Configuration
237 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
238 #if defined(CONFIG_CMD_KGDB)
239 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
242 /*-----------------------------------------------------------------------
243 * SYPCR - System Protection Control 11-9
244 * SYPCR can only be written once after reset!
245 *-----------------------------------------------------------------------
246 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
248 #if defined(CONFIG_WATCHDOG)
249 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
250 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
252 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
255 /*-----------------------------------------------------------------------
256 * SIUMCR - SIU Module Configuration 11-6
257 *-----------------------------------------------------------------------
258 * PCMCIA config., multi-function pin tri-state
260 #ifndef CONFIG_CAN_DRIVER
261 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
262 #else /* we must activate GPL5 in the SIUMCR for CAN */
263 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
264 #endif /* CONFIG_CAN_DRIVER */
266 /*-----------------------------------------------------------------------
267 * TBSCR - Time Base Status and Control 11-26
268 *-----------------------------------------------------------------------
269 * Clear Reference Interrupt Status, Timebase freezing enabled
271 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
273 /*-----------------------------------------------------------------------
274 * RTCSC - Real-Time Clock Status and Control Register 11-27
275 *-----------------------------------------------------------------------
277 #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
279 /*-----------------------------------------------------------------------
280 * PISCR - Periodic Interrupt Status and Control 11-31
281 *-----------------------------------------------------------------------
282 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
284 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
286 /*-----------------------------------------------------------------------
287 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
288 *-----------------------------------------------------------------------
289 * Reset PLL lock status sticky bit, timer expired status bit and timer
290 * interrupt status bit
292 #define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
294 /*-----------------------------------------------------------------------
295 * SCCR - System Clock and reset Control Register 15-27
296 *-----------------------------------------------------------------------
297 * Set clock output, timebase and RTC source and divider,
298 * power management and some other internal clocks
300 #define SCCR_MASK SCCR_EBDF11
301 #define CONFIG_SYS_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
302 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
305 /*-----------------------------------------------------------------------
307 *-----------------------------------------------------------------------
310 #define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
311 #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
312 #define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
313 #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
314 #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
315 #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
316 #define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
317 #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
319 /*-----------------------------------------------------------------------
320 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
321 *-----------------------------------------------------------------------
324 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
326 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
327 #undef CONFIG_IDE_LED /* LED for ide not supported */
328 #undef CONFIG_IDE_RESET /* reset for ide not supported */
330 #define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
331 #define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
333 #define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
335 #define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
337 /* Offset for data I/O */
338 #define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
340 /* Offset for normal register accesses */
341 #define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
343 /* Offset for alternate registers */
344 #define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
346 /*-----------------------------------------------------------------------
348 *-----------------------------------------------------------------------
351 #define CONFIG_SYS_DER 0
354 * Init Memory Controller:
356 * BR0/1 and OR0/1 (FLASH)
359 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
360 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
362 /* used to re-map FLASH both when starting from SRAM or FLASH:
363 * restrict access enough to keep SRAM working (if any)
364 * but not too much to meddle with FLASH accesses
366 #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
367 #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
372 #define CONFIG_SYS_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
373 OR_SCY_3_CLK | OR_EHTR | OR_BI)
375 #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
376 #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
377 #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
379 #define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
380 #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
381 #define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
384 * BR2/3 and OR2/3 (SDRAM)
387 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
388 #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
389 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
391 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
392 #define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
394 #define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
395 #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
397 #ifndef CONFIG_CAN_DRIVER
398 #define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM
399 #define CONFIG_SYS_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
400 #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
401 #define CONFIG_SYS_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
402 #define CONFIG_SYS_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
403 #define CONFIG_SYS_OR3_CAN (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
404 #define CONFIG_SYS_BR3_CAN ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
405 BR_PS_8 | BR_MS_UPMB | BR_V )
406 #endif /* CONFIG_CAN_DRIVER */
409 * Memory Periodic Timer Prescaler
411 * The Divider for PTA (refresh timer) configuration is based on an
412 * example SDRAM configuration (64 MBit, one bank). The adjustment to
413 * the number of chip selects (NCS) and the actually needed refresh
414 * rate is done by setting MPTPR.
416 * PTA is calculated from
417 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
419 * gclk CPU clock (not bus clock!)
420 * Trefresh Refresh cycle * 4 (four word bursts used)
422 * 4096 Rows from SDRAM example configuration
423 * 1000 factor s -> ms
424 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
425 * 4 Number of refresh cycles per period
426 * 64 Refresh cycle in ms per number of rows
427 * --------------------------------------------
428 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
430 * 50 MHz => 50.000.000 / Divider = 98
431 * 66 Mhz => 66.000.000 / Divider = 129
432 * 80 Mhz => 80.000.000 / Divider = 156
435 #define CONFIG_SYS_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
436 #define CONFIG_SYS_MAMR_PTA 98
439 * For 16 MBit, refresh rates could be 31.3 us
440 * (= 64 ms / 2K = 125 / quad bursts).
441 * For a simpler initialization, 15.6 us is used instead.
443 * #define CONFIG_SYS_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
444 * #define CONFIG_SYS_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
446 #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
447 #define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
449 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
450 #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
451 #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
454 * MAMR settings for SDRAM
458 #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
459 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
460 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
462 #define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
463 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
464 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
468 * Internal Definitions
472 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
473 #define BOOTFLAG_WARM 0x02 /* Software reboot */
475 #endif /* __CONFIG_H */