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 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 */
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 CFG_LONGHELP /* undef to save memory */
126 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
128 #define CONFIG_CMDLINE_EDITING 1 /* add command line history */
129 #define CFG_HUSH_PARSER 1 /* Use the HUSH parser */
130 #ifdef CFG_HUSH_PARSER
131 #define CFG_PROMPT_HUSH_PS2 "> "
134 #if defined(CONFIG_CMD_KGDB)
135 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
137 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
139 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
140 #define CFG_MAXARGS 16 /* max number of command args */
141 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
143 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
144 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
146 #define CFG_LOAD_ADDR 0x100000 /* default load address */
148 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
150 #define CFG_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 CFG_IMMR 0xFFF00000
162 /*-----------------------------------------------------------------------
163 * Definitions for initial stack pointer and data area (in DPRAM)
165 #define CFG_INIT_RAM_ADDR CFG_IMMR
166 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
167 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
168 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
169 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
171 /*-----------------------------------------------------------------------
172 * Start addresses for the final memory configuration
173 * (Set up by the startup code)
174 * Please note that CFG_SDRAM_BASE _must_ start at 0
176 #define CFG_SDRAM_BASE 0x00000000
177 #define CFG_FLASH_BASE 0x40000000
178 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
179 #define CFG_MONITOR_BASE CFG_FLASH_BASE
180 #define CFG_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 CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
189 /*-----------------------------------------------------------------------
193 /* use CFI flash driver */
194 #define CFG_FLASH_CFI 1 /* Flash is CFI conformant */
195 #define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
196 #define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE }
197 #define CFG_FLASH_EMPTY_INFO
198 #define CFG_FLASH_USE_BUFFER_WRITE 1
199 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
200 #define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
202 #define CFG_ENV_IS_IN_FLASH 1
203 #define CFG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */
204 #define CFG_ENV_SIZE 0x08000 /* Total Size of Environment */
205 #define CFG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment Sector */
207 /* Address and size of Redundant Environment Sector */
208 #define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SECT_SIZE)
209 #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
211 #define CFG_USE_PPCENV /* Environment embedded in sect .ppcenv */
213 /*-----------------------------------------------------------------------
214 * Dynamic MTD partition support
216 #define CONFIG_JFFS2_CMDLINE
217 #define MTDIDS_DEFAULT "nor0=TQM8xxM-0"
219 #define MTDPARTS_DEFAULT "mtdparts=TQM8xxM-0:512k(u-boot)," \
225 /*-----------------------------------------------------------------------
226 * Hardware Information Block
228 #define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
229 #define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */
230 #define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
232 /*-----------------------------------------------------------------------
233 * Cache Configuration
235 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
236 #if defined(CONFIG_CMD_KGDB)
237 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
240 /*-----------------------------------------------------------------------
241 * SYPCR - System Protection Control 11-9
242 * SYPCR can only be written once after reset!
243 *-----------------------------------------------------------------------
244 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
246 #if defined(CONFIG_WATCHDOG)
247 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
248 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
250 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
253 /*-----------------------------------------------------------------------
254 * SIUMCR - SIU Module Configuration 11-6
255 *-----------------------------------------------------------------------
256 * PCMCIA config., multi-function pin tri-state
258 #ifndef CONFIG_CAN_DRIVER
259 #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
260 #else /* we must activate GPL5 in the SIUMCR for CAN */
261 #define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
262 #endif /* CONFIG_CAN_DRIVER */
264 /*-----------------------------------------------------------------------
265 * TBSCR - Time Base Status and Control 11-26
266 *-----------------------------------------------------------------------
267 * Clear Reference Interrupt Status, Timebase freezing enabled
269 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
271 /*-----------------------------------------------------------------------
272 * RTCSC - Real-Time Clock Status and Control Register 11-27
273 *-----------------------------------------------------------------------
275 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
277 /*-----------------------------------------------------------------------
278 * PISCR - Periodic Interrupt Status and Control 11-31
279 *-----------------------------------------------------------------------
280 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
282 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
284 /*-----------------------------------------------------------------------
285 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
286 *-----------------------------------------------------------------------
287 * Reset PLL lock status sticky bit, timer expired status bit and timer
288 * interrupt status bit
290 #define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
292 /*-----------------------------------------------------------------------
293 * SCCR - System Clock and reset Control Register 15-27
294 *-----------------------------------------------------------------------
295 * Set clock output, timebase and RTC source and divider,
296 * power management and some other internal clocks
298 #define SCCR_MASK SCCR_EBDF11
299 #define CFG_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
300 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
303 /*-----------------------------------------------------------------------
305 *-----------------------------------------------------------------------
308 #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
309 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
310 #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
311 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
312 #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
313 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
314 #define CFG_PCMCIA_IO_ADDR (0xEC000000)
315 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
317 /*-----------------------------------------------------------------------
318 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
319 *-----------------------------------------------------------------------
322 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
324 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
325 #undef CONFIG_IDE_LED /* LED for ide not supported */
326 #undef CONFIG_IDE_RESET /* reset for ide not supported */
328 #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
329 #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
331 #define CFG_ATA_IDE0_OFFSET 0x0000
333 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
335 /* Offset for data I/O */
336 #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
338 /* Offset for normal register accesses */
339 #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
341 /* Offset for alternate registers */
342 #define CFG_ATA_ALT_OFFSET 0x0100
344 /*-----------------------------------------------------------------------
346 *-----------------------------------------------------------------------
352 * Init Memory Controller:
354 * BR0/1 and OR0/1 (FLASH)
357 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
358 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
360 /* used to re-map FLASH both when starting from SRAM or FLASH:
361 * restrict access enough to keep SRAM working (if any)
362 * but not too much to meddle with FLASH accesses
364 #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
365 #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
370 #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
371 OR_SCY_3_CLK | OR_EHTR | OR_BI)
373 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
374 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
375 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
377 #define CFG_OR1_REMAP CFG_OR0_REMAP
378 #define CFG_OR1_PRELIM CFG_OR0_PRELIM
379 #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
382 * BR2/3 and OR2/3 (SDRAM)
385 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
386 #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
387 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
389 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
390 #define CFG_OR_TIMING_SDRAM 0x00000A00
392 #define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
393 #define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
395 #ifndef CONFIG_CAN_DRIVER
396 #define CFG_OR3_PRELIM CFG_OR2_PRELIM
397 #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
398 #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
399 #define CFG_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
400 #define CFG_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
401 #define CFG_OR3_CAN (CFG_CAN_OR_AM | OR_G5LA | OR_BI)
402 #define CFG_BR3_CAN ((CFG_CAN_BASE & BR_BA_MSK) | \
403 BR_PS_8 | BR_MS_UPMB | BR_V )
404 #endif /* CONFIG_CAN_DRIVER */
407 * Memory Periodic Timer Prescaler
409 * The Divider for PTA (refresh timer) configuration is based on an
410 * example SDRAM configuration (64 MBit, one bank). The adjustment to
411 * the number of chip selects (NCS) and the actually needed refresh
412 * rate is done by setting MPTPR.
414 * PTA is calculated from
415 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
417 * gclk CPU clock (not bus clock!)
418 * Trefresh Refresh cycle * 4 (four word bursts used)
420 * 4096 Rows from SDRAM example configuration
421 * 1000 factor s -> ms
422 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
423 * 4 Number of refresh cycles per period
424 * 64 Refresh cycle in ms per number of rows
425 * --------------------------------------------
426 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
428 * 50 MHz => 50.000.000 / Divider = 98
429 * 66 Mhz => 66.000.000 / Divider = 129
430 * 80 Mhz => 80.000.000 / Divider = 156
433 #define CFG_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
434 #define CFG_MAMR_PTA 98
437 * For 16 MBit, refresh rates could be 31.3 us
438 * (= 64 ms / 2K = 125 / quad bursts).
439 * For a simpler initialization, 15.6 us is used instead.
441 * #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
442 * #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
444 #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
445 #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
447 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
448 #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
449 #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
452 * MAMR settings for SDRAM
456 #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
457 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
458 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
460 #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
461 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
462 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
466 * Internal Definitions
470 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
471 #define BOOTFLAG_WARM 0x02 /* Software reboot */
473 #endif /* __CONFIG_H */