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_MPC823 1 /* This is a MPC823 CPU */
37 #define CONFIG_TQM823M 1 /* ...on a TQM8xxM module */
39 #ifdef CONFIG_LCD /* with LCD controller ? */
40 /* #define CONFIG_NEC_NL6448BC20 1 / * use NEC NL6448BC20 display */
43 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
44 #undef CONFIG_8xx_CONS_SMC2
45 #undef CONFIG_8xx_CONS_NONE
46 #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
48 #define CONFIG_BOOTCOUNT_LIMIT
50 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
52 #define CONFIG_BOARD_TYPES 1 /* support board types */
54 #define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo"
56 #undef CONFIG_BOOTARGS
58 #define CONFIG_EXTRA_ENV_SETTINGS \
60 "nfsargs=setenv bootargs root=/dev/nfs rw " \
61 "nfsroot=${serverip}:${rootpath}\0" \
62 "ramargs=setenv bootargs root=/dev/ram rw\0" \
63 "addip=setenv bootargs ${bootargs} " \
64 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
65 ":${hostname}:${netdev}:off panic=1\0" \
66 "flash_nfs=run nfsargs addip;" \
67 "bootm ${kernel_addr}\0" \
68 "flash_self=run ramargs addip;" \
69 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
70 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
71 "rootpath=/opt/eldk/ppc_8xx\0" \
72 "hostname=TQM823M\0" \
73 "bootfile=TQM823M/uImage\0" \
74 "fdt_addr=40080000\0" \
75 "kernel_addr=400A0000\0" \
76 "ramdisk_addr=40280000\0" \
77 "u-boot=TQM823M/u-image.bin\0" \
78 "load=tftp 200000 ${u-boot}\0" \
79 "update=prot off 40000000 +${filesize};" \
80 "era 40000000 +${filesize};" \
81 "cp.b 200000 40000000 ${filesize};" \
82 "sete filesize;save\0" \
84 #define CONFIG_BOOTCOMMAND "run flash_self"
86 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
87 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
89 #undef CONFIG_WATCHDOG /* watchdog disabled */
92 # undef CONFIG_STATUS_LED /* disturbs display */
94 # define CONFIG_STATUS_LED 1 /* Status LED enabled */
95 #endif /* CONFIG_LCD */
97 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
102 #define CONFIG_BOOTP_SUBNETMASK
103 #define CONFIG_BOOTP_GATEWAY
104 #define CONFIG_BOOTP_HOSTNAME
105 #define CONFIG_BOOTP_BOOTPATH
106 #define CONFIG_BOOTP_BOOTFILESIZE
109 #define CONFIG_MAC_PARTITION
110 #define CONFIG_DOS_PARTITION
112 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
116 * Command line configuration.
118 #include <config_cmd_default.h>
120 #define CONFIG_CMD_ASKENV
121 #define CONFIG_CMD_DATE
122 #define CONFIG_CMD_DHCP
123 #define CONFIG_CMD_ELF
124 #define CONFIG_CMD_IDE
125 #define CONFIG_CMD_JFFS2
126 #define CONFIG_CMD_NFS
127 #define CONFIG_CMD_SNTP
130 #define CONFIG_NETCONSOLE
134 * Miscellaneous configurable options
136 #define CFG_LONGHELP /* undef to save memory */
137 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
139 #define CONFIG_CMDLINE_EDITING 1 /* add command line history */
140 #define CFG_HUSH_PARSER 1 /* Use the HUSH parser */
141 #ifdef CFG_HUSH_PARSER
142 #define CFG_PROMPT_HUSH_PS2 "> "
145 #if defined(CONFIG_CMD_KGDB)
146 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
148 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
150 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
151 #define CFG_MAXARGS 16 /* max number of command args */
152 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
154 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
155 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
157 #define CFG_LOAD_ADDR 0x100000 /* default load address */
159 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
161 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
164 * Low Level Configuration Settings
165 * (address mappings, register initial values, etc.)
166 * You should know what you are doing if you make changes here.
168 /*-----------------------------------------------------------------------
169 * Internal Memory Mapped Register
171 #define CFG_IMMR 0xFFF00000
173 /*-----------------------------------------------------------------------
174 * Definitions for initial stack pointer and data area (in DPRAM)
176 #define CFG_INIT_RAM_ADDR CFG_IMMR
177 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
178 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
179 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
180 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
182 /*-----------------------------------------------------------------------
183 * Start addresses for the final memory configuration
184 * (Set up by the startup code)
185 * Please note that CFG_SDRAM_BASE _must_ start at 0
187 #define CFG_SDRAM_BASE 0x00000000
188 #define CFG_FLASH_BASE 0x40000000
189 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
190 #define CFG_MONITOR_BASE CFG_FLASH_BASE
191 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
194 * For booting Linux, the board info and command line data
195 * have to be in the first 8 MB of memory, since this is
196 * the maximum mapped by the Linux kernel during initialization.
198 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
200 /*-----------------------------------------------------------------------
204 /* use CFI flash driver */
205 #define CFG_FLASH_CFI 1 /* Flash is CFI conformant */
206 #define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
207 #define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE }
208 #define CFG_FLASH_EMPTY_INFO
209 #define CFG_FLASH_USE_BUFFER_WRITE 1
210 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
211 #define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
213 #define CONFIG_ENV_IS_IN_FLASH 1
214 #define CONFIG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */
215 #define CONFIG_ENV_SIZE 0x08000 /* Total Size of Environment */
216 #define CONFIG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment Sector */
218 /* Address and size of Redundant Environment Sector */
219 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SECT_SIZE)
220 #define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
222 #define CFG_USE_PPCENV /* Environment embedded in sect .ppcenv */
224 /*-----------------------------------------------------------------------
225 * Dynamic MTD partition support
227 #define CONFIG_JFFS2_CMDLINE
228 #define MTDIDS_DEFAULT "nor0=TQM8xxM-0"
230 #define MTDPARTS_DEFAULT "mtdparts=TQM8xxM-0:512k(u-boot)," \
236 /*-----------------------------------------------------------------------
237 * Hardware Information Block
239 #define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
240 #define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */
241 #define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
243 /*-----------------------------------------------------------------------
244 * Cache Configuration
246 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
247 #if defined(CONFIG_CMD_KGDB)
248 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
251 /*-----------------------------------------------------------------------
252 * SYPCR - System Protection Control 11-9
253 * SYPCR can only be written once after reset!
254 *-----------------------------------------------------------------------
255 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
257 #if defined(CONFIG_WATCHDOG)
258 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
259 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
261 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
264 /*-----------------------------------------------------------------------
265 * SIUMCR - SIU Module Configuration 11-6
266 *-----------------------------------------------------------------------
267 * PCMCIA config., multi-function pin tri-state
269 #ifndef CONFIG_CAN_DRIVER
270 #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
271 #else /* we must activate GPL5 in the SIUMCR for CAN */
272 #define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
273 #endif /* CONFIG_CAN_DRIVER */
275 /*-----------------------------------------------------------------------
276 * TBSCR - Time Base Status and Control 11-26
277 *-----------------------------------------------------------------------
278 * Clear Reference Interrupt Status, Timebase freezing enabled
280 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
282 /*-----------------------------------------------------------------------
283 * RTCSC - Real-Time Clock Status and Control Register 11-27
284 *-----------------------------------------------------------------------
286 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
288 /*-----------------------------------------------------------------------
289 * PISCR - Periodic Interrupt Status and Control 11-31
290 *-----------------------------------------------------------------------
291 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
293 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
295 /*-----------------------------------------------------------------------
296 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
297 *-----------------------------------------------------------------------
298 * Reset PLL lock status sticky bit, timer expired status bit and timer
299 * interrupt status bit
301 #define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
303 /*-----------------------------------------------------------------------
304 * SCCR - System Clock and reset Control Register 15-27
305 *-----------------------------------------------------------------------
306 * Set clock output, timebase and RTC source and divider,
307 * power management and some other internal clocks
309 #define SCCR_MASK SCCR_EBDF11
310 #define CFG_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
311 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
314 /*-----------------------------------------------------------------------
316 *-----------------------------------------------------------------------
319 #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
320 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
321 #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
322 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
323 #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
324 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
325 #define CFG_PCMCIA_IO_ADDR (0xEC000000)
326 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
328 /*-----------------------------------------------------------------------
329 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
330 *-----------------------------------------------------------------------
333 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
335 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
336 #undef CONFIG_IDE_LED /* LED for ide not supported */
337 #undef CONFIG_IDE_RESET /* reset for ide not supported */
339 #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
340 #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
342 #define CFG_ATA_IDE0_OFFSET 0x0000
344 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
346 /* Offset for data I/O */
347 #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
349 /* Offset for normal register accesses */
350 #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
352 /* Offset for alternate registers */
353 #define CFG_ATA_ALT_OFFSET 0x0100
355 /*-----------------------------------------------------------------------
357 *-----------------------------------------------------------------------
363 * Init Memory Controller:
365 * BR0/1 and OR0/1 (FLASH)
368 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
369 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
371 /* used to re-map FLASH both when starting from SRAM or FLASH:
372 * restrict access enough to keep SRAM working (if any)
373 * but not too much to meddle with FLASH accesses
375 #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
376 #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
381 #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
382 OR_SCY_3_CLK | OR_EHTR | OR_BI)
384 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
385 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
386 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
388 #define CFG_OR1_REMAP CFG_OR0_REMAP
389 #define CFG_OR1_PRELIM CFG_OR0_PRELIM
390 #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
393 * BR2/3 and OR2/3 (SDRAM)
396 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
397 #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
398 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
400 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
401 #define CFG_OR_TIMING_SDRAM 0x00000A00
403 #define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
404 #define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
406 #ifndef CONFIG_CAN_DRIVER
407 #define CFG_OR3_PRELIM CFG_OR2_PRELIM
408 #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
409 #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
410 #define CFG_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
411 #define CFG_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
412 #define CFG_OR3_CAN (CFG_CAN_OR_AM | OR_G5LA | OR_BI)
413 #define CFG_BR3_CAN ((CFG_CAN_BASE & BR_BA_MSK) | \
414 BR_PS_8 | BR_MS_UPMB | BR_V )
415 #endif /* CONFIG_CAN_DRIVER */
418 * Memory Periodic Timer Prescaler
420 * The Divider for PTA (refresh timer) configuration is based on an
421 * example SDRAM configuration (64 MBit, one bank). The adjustment to
422 * the number of chip selects (NCS) and the actually needed refresh
423 * rate is done by setting MPTPR.
425 * PTA is calculated from
426 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
428 * gclk CPU clock (not bus clock!)
429 * Trefresh Refresh cycle * 4 (four word bursts used)
431 * 4096 Rows from SDRAM example configuration
432 * 1000 factor s -> ms
433 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
434 * 4 Number of refresh cycles per period
435 * 64 Refresh cycle in ms per number of rows
436 * --------------------------------------------
437 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
439 * 50 MHz => 50.000.000 / Divider = 98
440 * 66 Mhz => 66.000.000 / Divider = 129
441 * 80 Mhz => 80.000.000 / Divider = 156
444 #define CFG_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
445 #define CFG_MAMR_PTA 98
448 * For 16 MBit, refresh rates could be 31.3 us
449 * (= 64 ms / 2K = 125 / quad bursts).
450 * For a simpler initialization, 15.6 us is used instead.
452 * #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
453 * #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
455 #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
456 #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
458 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
459 #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
460 #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
463 * MAMR settings for SDRAM
467 #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
468 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
469 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
471 #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
472 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
473 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
477 * Internal Definitions
481 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
482 #define BOOTFLAG_WARM 0x02 /* Software reboot */
484 #endif /* __CONFIG_H */