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_MPC855 1 /* This is a MPC855 CPU */
37 #define CONFIG_TQM855M 1 /* ...on a TQM8xxM module */
40 #define CONFIG_8xx_CONS_SCC1 1 /* Console is on SMC1 */
42 #define CONFIG_66MHz 1 /* running at 66 MHz, 1:1 clock */
44 #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
46 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
48 #define CONFIG_BOARD_TYPES 1 /* support board types */
50 #define CONFIG_PREBOOT "echo;" \
51 "echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
54 #undef CONFIG_BOOTARGS
56 #define CONFIG_EXTRA_ENV_SETTINGS \
58 "nfsargs=setenv bootargs root=/dev/nfs rw " \
59 "nfsroot=${serverip}:${rootpath}\0" \
60 "ramargs=setenv bootargs root=/dev/ram rw\0" \
61 "addip=setenv bootargs ${bootargs} " \
62 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
63 ":${hostname}:${netdev}:off panic=1\0" \
64 "flash_nfs=run nfsargs addip;" \
65 "bootm ${kernel_addr}\0" \
66 "flash_self=run ramargs addip;" \
67 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
68 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
69 "rootpath=/opt/eldk/ppc_8xx\0" \
71 "bootfile=${hostname}/uImage\0" \
72 "kernel_addr=40080000\0" \
73 "ramdisk_addr=40180000\0" \
74 "u-boot=${hostname}/u-image.bin\0" \
75 "load=tftp 200000 ${u-boot}\0" \
76 "update=prot off 40000000 +${filesize};" \
77 "era 40000000 +${filesize};" \
78 "cp.b 200000 40000000 ${filesize};" \
79 "sete filesize;save\0" \
81 #define CONFIG_BOOTCOMMAND "run flash_self"
83 #define CONFIG_MISC_INIT_R 1
85 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
86 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
88 #undef CONFIG_WATCHDOG /* watchdog disabled */
90 #define CONFIG_STATUS_LED 1 /* Status LED enabled */
92 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
97 #define CONFIG_BOOTP_SUBNETMASK
98 #define CONFIG_BOOTP_GATEWAY
99 #define CONFIG_BOOTP_HOSTNAME
100 #define CONFIG_BOOTP_BOOTPATH
101 #define CONFIG_BOOTP_BOOTFILESIZE
104 #define CONFIG_MAC_PARTITION
105 #define CONFIG_DOS_PARTITION
107 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
109 #define CONFIG_ISP1362_USB /* ISP1362 USB OTG controller */
113 * Command line configuration.
115 #include <config_cmd_default.h>
117 #define CONFIG_CMD_ASKENV
118 #define CONFIG_CMD_DATE
119 #define CONFIG_CMD_DHCP
120 #define CONFIG_CMD_ELF
121 #define CONFIG_CMD_IDE
122 #define CONFIG_CMD_NFS
123 #define CONFIG_CMD_SNTP
126 #define CONFIG_NETCONSOLE
130 * Miscellaneous configurable options
132 #define CFG_LONGHELP /* undef to save memory */
133 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
135 #define CONFIG_CMDLINE_EDITING 1 /* add command line history
137 #define CFG_HUSH_PARSER 1 /* use "hush" command parser */
138 #ifdef CFG_HUSH_PARSER
139 #define CFG_PROMPT_HUSH_PS2 "> "
142 #if defined(CONFIG_CMD_KGDB)
143 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
145 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
147 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
148 #define CFG_MAXARGS 16 /* max number of command args */
149 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
151 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
152 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
154 #define CFG_LOAD_ADDR 0x100000 /* default load address */
156 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
158 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
161 * Low Level Configuration Settings
162 * (address mappings, register initial values, etc.)
163 * You should know what you are doing if you make changes here.
165 /*-----------------------------------------------------------------------
166 * Internal Memory Mapped Register
168 #define CFG_IMMR 0xFFF00000
170 /*-----------------------------------------------------------------------
171 * Definitions for initial stack pointer and data area (in DPRAM)
173 #define CFG_INIT_RAM_ADDR CFG_IMMR
174 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
175 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
176 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
177 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
179 /*-----------------------------------------------------------------------
180 * Start addresses for the final memory configuration
181 * (Set up by the startup code)
182 * Please note that CFG_SDRAM_BASE _must_ start at 0
184 #define CFG_SDRAM_BASE 0x00000000
185 #define CFG_FLASH_BASE 0x40000000
186 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
187 #define CFG_MONITOR_BASE CFG_FLASH_BASE
188 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
191 * For booting Linux, the board info and command line data
192 * have to be in the first 8 MB of memory, since this is
193 * the maximum mapped by the Linux kernel during initialization.
195 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
197 /*-----------------------------------------------------------------------
201 /* use CFI flash driver */
202 #define CFG_FLASH_CFI 1 /* Flash is CFI conformant */
203 #define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
204 #define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE, CFG_FLASH_BASE+flash_info[0].size }
205 #define CFG_FLASH_EMPTY_INFO
206 #define CFG_FLASH_USE_BUFFER_WRITE 1
207 #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
208 #define CFG_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
210 #define CFG_ENV_IS_IN_FLASH 1
211 #define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
212 #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
214 /* Address and size of Redundant Environment Sector */
215 #define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SIZE)
216 #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
218 #define CFG_USE_PPCENV /* Environment embedded in sect .ppcenv */
220 /*-----------------------------------------------------------------------
221 * Hardware Information Block
223 #define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
224 #define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */
225 #define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
227 /*-----------------------------------------------------------------------
228 * Cache Configuration
230 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
231 #if defined(CONFIG_CMD_KGDB)
232 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
235 /*-----------------------------------------------------------------------
236 * SYPCR - System Protection Control 11-9
237 * SYPCR can only be written once after reset!
238 *-----------------------------------------------------------------------
239 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
241 #if defined(CONFIG_WATCHDOG)
242 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
243 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
245 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
248 /*-----------------------------------------------------------------------
249 * SIUMCR - SIU Module Configuration 11-6
250 *-----------------------------------------------------------------------
251 * PCMCIA config., multi-function pin tri-state
253 #ifndef CONFIG_CAN_DRIVER
254 #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
255 #else /* we must activate GPL5 in the SIUMCR for CAN */
256 #define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
257 #endif /* CONFIG_CAN_DRIVER */
259 /*-----------------------------------------------------------------------
260 * TBSCR - Time Base Status and Control 11-26
261 *-----------------------------------------------------------------------
262 * Clear Reference Interrupt Status, Timebase freezing enabled
264 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
266 /*-----------------------------------------------------------------------
267 * RTCSC - Real-Time Clock Status and Control Register 11-27
268 *-----------------------------------------------------------------------
270 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
272 /*-----------------------------------------------------------------------
273 * PISCR - Periodic Interrupt Status and Control 11-31
274 *-----------------------------------------------------------------------
275 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
277 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
279 /*-----------------------------------------------------------------------
280 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
281 *-----------------------------------------------------------------------
282 * Reset PLL lock status sticky bit, timer expired status bit and timer
283 * interrupt status bit
285 #define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
287 /*-----------------------------------------------------------------------
288 * SCCR - System Clock and reset Control Register 15-27
289 *-----------------------------------------------------------------------
290 * Set clock output, timebase and RTC source and divider,
291 * power management and some other internal clocks
293 #define SCCR_MASK SCCR_EBDF11
294 #define CFG_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
295 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
298 /*-----------------------------------------------------------------------
300 *-----------------------------------------------------------------------
303 /* NSCU use both slots, SLOT_A as "primary". */
304 #define CONFIG_PCMCIA_SLOT_A 1
306 #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
307 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
308 #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
309 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
310 #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
311 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
312 #define CFG_PCMCIA_IO_ADDR (0xEC000000)
313 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
314 #define PCMCIA_MEM_WIN_NO 8 /* override default 4 in pcmcia.h */
315 #define PCMCIA_SOCKETS_NO 2 /* we have two sockets */
316 #undef NSCU_OE_INV /* PCMCIA_GCRX_CXOE was inverted on early boards */
318 /*-----------------------------------------------------------------------
319 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
320 *-----------------------------------------------------------------------
323 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
325 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
326 #undef CONFIG_IDE_LED /* LED for ide not supported */
327 #undef CONFIG_IDE_RESET /* reset for ide not supported */
329 #define CFG_IDE_MAXBUS 2 /* max. 2 IDE buses */
330 #define CFG_IDE_MAXDEVICE 4 /* max. 2 drives per IDE bus */
332 #define CFG_ATA_IDE0_OFFSET 0x0000
333 #define CFG_ATA_IDE1_OFFSET (4 * CFG_PCMCIA_MEM_SIZE) /* starts @ 4th window */
335 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
337 /* Offset for data I/O */
338 #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
340 /* Offset for normal register accesses */
341 #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
343 /* Offset for alternate registers */
344 #define CFG_ATA_ALT_OFFSET 0x0100
346 /*-----------------------------------------------------------------------
348 *-----------------------------------------------------------------------
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 CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
367 #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
372 #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
373 OR_SCY_3_CLK | OR_EHTR | OR_BI)
375 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
376 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
377 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
379 #define CFG_OR1_REMAP CFG_OR0_REMAP
380 #define CFG_OR1_PRELIM CFG_OR0_PRELIM
381 #define CFG_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 CFG_OR_TIMING_SDRAM 0x00000A00
394 #define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
395 #define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
397 #ifndef CONFIG_CAN_DRIVER
398 #define CFG_OR3_PRELIM CFG_OR2_PRELIM
399 #define CFG_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 CFG_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
402 #define CFG_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
403 #define CFG_OR3_CAN (CFG_CAN_OR_AM | OR_G5LA | OR_BI)
404 #define CFG_BR3_CAN ((CFG_CAN_BASE & BR_BA_MSK) | \
405 BR_PS_8 | BR_MS_UPMB | BR_V )
406 #endif /* CONFIG_CAN_DRIVER */
408 #ifdef CONFIG_ISP1362_USB
409 #define CFG_ISP1362_BASE 0xD0000000 /* ISP1362 mapped at 0xD0000000 */
410 #define CFG_ISP1362_OR_AM 0xFFFF8000 /* 32 kB address mask */
411 #define CFG_OR5_ISP1362 (CFG_ISP1362_OR_AM | OR_CSNT_SAM | \
412 OR_ACS_DIV2 | OR_BI | OR_SCY_5_CLK)
413 #define CFG_BR5_ISP1362 ((CFG_ISP1362_BASE & BR_BA_MSK) | \
414 BR_PS_16 | BR_MS_GPCM | BR_V )
415 #endif /* CONFIG_ISP1362_USB */
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 #undef CONFIG_SCC1_ENET
485 #define CONFIG_FEC_ENET
486 /* #define CONFIG_ETHPRIME "FEC ETHERNET" */
488 #endif /* __CONFIG_H */