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 */
39 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
40 #undef CONFIG_8xx_CONS_SMC2
41 #undef CONFIG_8xx_CONS_NONE
43 #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
45 #define CONFIG_BOOTCOUNT_LIMIT
47 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
49 #define CONFIG_BOARD_TYPES 1 /* support board types */
51 #define CONFIG_PREBOOT "echo;" \
52 "echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
55 #undef CONFIG_BOOTARGS
57 #define CONFIG_EXTRA_ENV_SETTINGS \
59 "nfsargs=setenv bootargs root=/dev/nfs rw " \
60 "nfsroot=${serverip}:${rootpath}\0" \
61 "ramargs=setenv bootargs root=/dev/ram rw\0" \
62 "addip=setenv bootargs ${bootargs} " \
63 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
64 ":${hostname}:${netdev}:off panic=1\0" \
65 "flash_nfs=run nfsargs addip;" \
66 "bootm ${kernel_addr}\0" \
67 "flash_self=run ramargs addip;" \
68 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
69 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
70 "rootpath=/opt/eldk/ppc_8xx\0" \
71 "hostname=TQM855M\0" \
72 "bootfile=TQM855M/uImage\0" \
73 "fdt_addr=40080000\0" \
74 "kernel_addr=400A0000\0" \
75 "ramdisk_addr=40280000\0" \
76 "u-boot=TQM855M/u-image.bin\0" \
77 "load=tftp 200000 ${u-boot}\0" \
78 "update=prot off 40000000 +${filesize};" \
79 "era 40000000 +${filesize};" \
80 "cp.b 200000 40000000 ${filesize};" \
81 "sete filesize;save\0" \
83 #define CONFIG_BOOTCOMMAND "run flash_self"
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 */
94 /* enable I2C and select the hardware/software driver */
95 #undef CONFIG_HARD_I2C /* I2C with hardware support */
96 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
98 #define CFG_I2C_SPEED 93000 /* 93 kHz is supposed to work */
99 #define CFG_I2C_SLAVE 0xFE
101 #ifdef CONFIG_SOFT_I2C
103 * Software (bit-bang) I2C driver configuration
105 #define PB_SCL 0x00000020 /* PB 26 */
106 #define PB_SDA 0x00000010 /* PB 27 */
108 #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
109 #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
110 #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
111 #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
112 #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
113 else immr->im_cpm.cp_pbdat &= ~PB_SDA
114 #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
115 else immr->im_cpm.cp_pbdat &= ~PB_SCL
116 #define I2C_DELAY udelay(2) /* 1/4 I2C clock duration */
117 #endif /* CONFIG_SOFT_I2C */
119 #define CFG_I2C_EEPROM_ADDR 0x50 /* EEPROM AT24C64 */
120 #define CFG_I2C_EEPROM_ADDR_LEN 2 /* two byte address */
122 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* takes up to 10 msec */
123 #define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x01
124 #define CFG_EEPROM_PAGE_WRITE_BITS 5
130 #define CONFIG_BOOTP_SUBNETMASK
131 #define CONFIG_BOOTP_GATEWAY
132 #define CONFIG_BOOTP_HOSTNAME
133 #define CONFIG_BOOTP_BOOTPATH
134 #define CONFIG_BOOTP_BOOTFILESIZE
137 #define CONFIG_MAC_PARTITION
138 #define CONFIG_DOS_PARTITION
140 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
144 * Command line configuration.
146 #include <config_cmd_default.h>
148 #define CONFIG_CMD_ASKENV
149 #define CONFIG_CMD_DATE
150 #define CONFIG_CMD_DHCP
151 #define CONFIG_CMD_ELF
152 #define CONFIG_CMD_EEPROM
153 #define CONFIG_CMD_IDE
154 #define CONFIG_CMD_JFFS2
155 #define CONFIG_CMD_NFS
156 #define CONFIG_CMD_SNTP
159 #define CONFIG_NETCONSOLE
163 * Miscellaneous configurable options
165 #define CFG_LONGHELP /* undef to save memory */
166 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
168 #define CONFIG_CMDLINE_EDITING 1 /* add command line history */
169 #define CFG_HUSH_PARSER 1 /* Use the HUSH parser */
170 #ifdef CFG_HUSH_PARSER
171 #define CFG_PROMPT_HUSH_PS2 "> "
174 #if defined(CONFIG_CMD_KGDB)
175 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
177 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
179 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
180 #define CFG_MAXARGS 16 /* max number of command args */
181 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
183 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
184 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
186 #define CFG_LOAD_ADDR 0x100000 /* default load address */
188 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
190 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
193 * Low Level Configuration Settings
194 * (address mappings, register initial values, etc.)
195 * You should know what you are doing if you make changes here.
197 /*-----------------------------------------------------------------------
198 * Internal Memory Mapped Register
200 #define CFG_IMMR 0xFFF00000
202 /*-----------------------------------------------------------------------
203 * Definitions for initial stack pointer and data area (in DPRAM)
205 #define CFG_INIT_RAM_ADDR CFG_IMMR
206 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
207 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
208 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
209 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
211 /*-----------------------------------------------------------------------
212 * Start addresses for the final memory configuration
213 * (Set up by the startup code)
214 * Please note that CFG_SDRAM_BASE _must_ start at 0
216 #define CFG_SDRAM_BASE 0x00000000
217 #define CFG_FLASH_BASE 0x40000000
218 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
219 #define CFG_MONITOR_BASE CFG_FLASH_BASE
220 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
223 * For booting Linux, the board info and command line data
224 * have to be in the first 8 MB of memory, since this is
225 * the maximum mapped by the Linux kernel during initialization.
227 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
229 /*-----------------------------------------------------------------------
233 /* use CFI flash driver */
234 #define CFG_FLASH_CFI 1 /* Flash is CFI conformant */
235 #define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
236 #define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE }
237 #define CFG_FLASH_EMPTY_INFO
238 #define CFG_FLASH_USE_BUFFER_WRITE 1
239 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
240 #define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
242 #define CFG_ENV_IS_IN_FLASH 1
243 #define CFG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */
244 #define CFG_ENV_SIZE 0x08000 /* Total Size of Environment */
245 #define CFG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment Sector */
247 /* Address and size of Redundant Environment Sector */
248 #define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SECT_SIZE)
249 #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
251 #define CFG_USE_PPCENV /* Environment embedded in sect .ppcenv */
253 /*-----------------------------------------------------------------------
254 * Dynamic MTD partition support
256 #define CONFIG_JFFS2_CMDLINE
257 #define MTDIDS_DEFAULT "nor0=TQM8xxM-0"
259 #define MTDPARTS_DEFAULT "mtdparts=TQM8xxM-0:512k(u-boot)," \
265 /*-----------------------------------------------------------------------
266 * Hardware Information Block
268 #define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
269 #define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */
270 #define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
272 /*-----------------------------------------------------------------------
273 * Cache Configuration
275 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
276 #if defined(CONFIG_CMD_KGDB)
277 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
280 /*-----------------------------------------------------------------------
281 * SYPCR - System Protection Control 11-9
282 * SYPCR can only be written once after reset!
283 *-----------------------------------------------------------------------
284 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
286 #if defined(CONFIG_WATCHDOG)
287 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
288 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
290 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
293 /*-----------------------------------------------------------------------
294 * SIUMCR - SIU Module Configuration 11-6
295 *-----------------------------------------------------------------------
296 * PCMCIA config., multi-function pin tri-state
298 #ifndef CONFIG_CAN_DRIVER
299 #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
300 #else /* we must activate GPL5 in the SIUMCR for CAN */
301 #define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
302 #endif /* CONFIG_CAN_DRIVER */
304 /*-----------------------------------------------------------------------
305 * TBSCR - Time Base Status and Control 11-26
306 *-----------------------------------------------------------------------
307 * Clear Reference Interrupt Status, Timebase freezing enabled
309 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
311 /*-----------------------------------------------------------------------
312 * RTCSC - Real-Time Clock Status and Control Register 11-27
313 *-----------------------------------------------------------------------
315 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
317 /*-----------------------------------------------------------------------
318 * PISCR - Periodic Interrupt Status and Control 11-31
319 *-----------------------------------------------------------------------
320 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
322 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
324 /*-----------------------------------------------------------------------
325 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
326 *-----------------------------------------------------------------------
327 * Reset PLL lock status sticky bit, timer expired status bit and timer
328 * interrupt status bit
330 #define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
332 /*-----------------------------------------------------------------------
333 * SCCR - System Clock and reset Control Register 15-27
334 *-----------------------------------------------------------------------
335 * Set clock output, timebase and RTC source and divider,
336 * power management and some other internal clocks
338 #define SCCR_MASK SCCR_EBDF11
339 #define CFG_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
340 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
343 /*-----------------------------------------------------------------------
345 *-----------------------------------------------------------------------
348 #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
349 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
350 #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
351 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
352 #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
353 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
354 #define CFG_PCMCIA_IO_ADDR (0xEC000000)
355 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
357 /*-----------------------------------------------------------------------
358 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
359 *-----------------------------------------------------------------------
362 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
364 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
365 #undef CONFIG_IDE_LED /* LED for ide not supported */
366 #undef CONFIG_IDE_RESET /* reset for ide not supported */
368 #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
369 #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
371 #define CFG_ATA_IDE0_OFFSET 0x0000
373 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
375 /* Offset for data I/O */
376 #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
378 /* Offset for normal register accesses */
379 #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
381 /* Offset for alternate registers */
382 #define CFG_ATA_ALT_OFFSET 0x0100
384 /*-----------------------------------------------------------------------
386 *-----------------------------------------------------------------------
392 * Init Memory Controller:
394 * BR0/1 and OR0/1 (FLASH)
397 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
398 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
400 /* used to re-map FLASH both when starting from SRAM or FLASH:
401 * restrict access enough to keep SRAM working (if any)
402 * but not too much to meddle with FLASH accesses
404 #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
405 #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
410 #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
411 OR_SCY_3_CLK | OR_EHTR | OR_BI)
413 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
414 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
415 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
417 #define CFG_OR1_REMAP CFG_OR0_REMAP
418 #define CFG_OR1_PRELIM CFG_OR0_PRELIM
419 #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
422 * BR2/3 and OR2/3 (SDRAM)
425 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
426 #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
427 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
429 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
430 #define CFG_OR_TIMING_SDRAM 0x00000A00
432 #define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
433 #define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
435 #ifndef CONFIG_CAN_DRIVER
436 #define CFG_OR3_PRELIM CFG_OR2_PRELIM
437 #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
438 #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
439 #define CFG_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
440 #define CFG_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
441 #define CFG_OR3_CAN (CFG_CAN_OR_AM | OR_G5LA | OR_BI)
442 #define CFG_BR3_CAN ((CFG_CAN_BASE & BR_BA_MSK) | \
443 BR_PS_8 | BR_MS_UPMB | BR_V )
444 #endif /* CONFIG_CAN_DRIVER */
447 * Memory Periodic Timer Prescaler
449 * The Divider for PTA (refresh timer) configuration is based on an
450 * example SDRAM configuration (64 MBit, one bank). The adjustment to
451 * the number of chip selects (NCS) and the actually needed refresh
452 * rate is done by setting MPTPR.
454 * PTA is calculated from
455 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
457 * gclk CPU clock (not bus clock!)
458 * Trefresh Refresh cycle * 4 (four word bursts used)
460 * 4096 Rows from SDRAM example configuration
461 * 1000 factor s -> ms
462 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
463 * 4 Number of refresh cycles per period
464 * 64 Refresh cycle in ms per number of rows
465 * --------------------------------------------
466 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
468 * 50 MHz => 50.000.000 / Divider = 98
469 * 66 Mhz => 66.000.000 / Divider = 129
470 * 80 Mhz => 80.000.000 / Divider = 156
473 #define CFG_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
474 #define CFG_MAMR_PTA 98
477 * For 16 MBit, refresh rates could be 31.3 us
478 * (= 64 ms / 2K = 125 / quad bursts).
479 * For a simpler initialization, 15.6 us is used instead.
481 * #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
482 * #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
484 #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
485 #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
487 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
488 #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
489 #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
492 * MAMR settings for SDRAM
496 #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
497 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
498 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
500 #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
501 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
502 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
506 * Internal Definitions
510 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
511 #define BOOTFLAG_WARM 0x02 /* Software reboot */
513 #define CONFIG_SCC1_ENET
514 #define CONFIG_FEC_ENET
515 #define CONFIG_ETHPRIME "SCC ETHERNET"
517 #endif /* __CONFIG_H */