2 * (C) Copyright 2006-2008
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_VIRTLAB2 1 /* ...on a virtlab2 module */
38 #define CONFIG_TQM8xxL 1
40 #define CONFIG_SYS_TEXT_BASE 0x40000000
42 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
43 #define CONFIG_SYS_SMC_RXBUFLEN 128
44 #define CONFIG_SYS_MAXIDLE 10
45 #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
47 #define CONFIG_BOOTCOUNT_LIMIT
49 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
51 #define CONFIG_BOARD_TYPES 1 /* support board types */
53 #define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo"
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=virtlab2\0" \
72 "bootfile=virtlab2/uImage\0" \
73 "fdt_addr=40040000\0" \
74 "kernel_addr=40060000\0" \
75 "ramdisk_addr=40200000\0" \
76 "u-boot=virtlab2/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 CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
88 #undef CONFIG_WATCHDOG /* watchdog disabled */
90 #if defined(CONFIG_LCD)
91 # undef CONFIG_STATUS_LED /* disturbs display */
93 # define CONFIG_STATUS_LED 1 /* Status LED enabled */
94 #endif /* CONFIG_LCD */
96 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
101 #define CONFIG_BOOTP_SUBNETMASK
102 #define CONFIG_BOOTP_GATEWAY
103 #define CONFIG_BOOTP_HOSTNAME
104 #define CONFIG_BOOTP_BOOTPATH
105 #define CONFIG_BOOTP_BOOTFILESIZE
108 #define CONFIG_MAC_PARTITION
109 #define CONFIG_DOS_PARTITION
111 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
115 * Command line configuration.
117 #include <config_cmd_default.h>
119 #define CONFIG_CMD_ASKENV
120 #define CONFIG_CMD_DATE
121 #define CONFIG_CMD_DHCP
122 #define CONFIG_CMD_EXT2
123 #define CONFIG_CMD_IDE
124 #define CONFIG_CMD_JFFS2
125 #define CONFIG_CMD_NFS
126 #define CONFIG_CMD_SNTP
128 #if defined(CONFIG_SPLASH_SCREEN)
129 #define CONFIG_CMD_BMP
133 #define CONFIG_NETCONSOLE
136 * Miscellaneous configurable options
138 #define CONFIG_SYS_LONGHELP /* undef to save memory */
139 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
141 #define CONFIG_CMDLINE_EDITING 1 /* add command line history */
142 #define CONFIG_SYS_HUSH_PARSER 1 /* use "hush" command parser */
144 #if defined(CONFIG_CMD_KGDB)
145 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
147 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
149 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
150 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
151 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
153 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
154 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
156 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
158 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
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 CONFIG_SYS_IMMR 0xFFF00000
170 /*-----------------------------------------------------------------------
171 * Definitions for initial stack pointer and data area (in DPRAM)
173 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
174 #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
175 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
176 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
178 /*-----------------------------------------------------------------------
179 * Start addresses for the final memory configuration
180 * (Set up by the startup code)
181 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
183 #define CONFIG_SYS_SDRAM_BASE 0x00000000
184 #define CONFIG_SYS_FLASH_BASE 0x40000000
185 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
186 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
187 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
190 * For booting Linux, the board info and command line data
191 * have to be in the first 8 MB of memory, since this is
192 * the maximum mapped by the Linux kernel during initialization.
194 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
196 /*-----------------------------------------------------------------------
200 /* use CFI flash driver */
201 #define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */
202 #define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
203 #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE+flash_info[0].size }
204 #define CONFIG_SYS_FLASH_EMPTY_INFO
205 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
206 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */
207 #define CONFIG_SYS_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
209 #define CONFIG_ENV_IS_IN_FLASH 1
210 #define CONFIG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
211 #define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
213 /* Address and size of Redundant Environment Sector */
214 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SIZE)
215 #define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
217 #define CONFIG_SYS_USE_PPCENV /* Environment embedded in sect .ppcenv */
219 #define CONFIG_MISC_INIT_R /* Make sure to remap flashes correctly */
221 /*-----------------------------------------------------------------------
222 * Dynamic MTD partition support
224 #define CONFIG_CMD_MTDPARTS
225 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */
226 #define CONFIG_FLASH_CFI_MTD
227 #define MTDIDS_DEFAULT "nor0=TQM8xxL-0"
229 #define MTDPARTS_DEFAULT "mtdparts=TQM8xxL-0:256k(u-boot)," \
235 /*-----------------------------------------------------------------------
236 * Hardware Information Block
238 #define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
239 #define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
240 #define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
242 /*-----------------------------------------------------------------------
243 * Cache Configuration
245 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
246 #if defined(CONFIG_CMD_KGDB)
247 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
250 /*-----------------------------------------------------------------------
251 * SYPCR - System Protection Control 11-9
252 * SYPCR can only be written once after reset!
253 *-----------------------------------------------------------------------
254 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
256 #if defined(CONFIG_WATCHDOG)
257 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
258 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
260 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
263 /*-----------------------------------------------------------------------
264 * SIUMCR - SIU Module Configuration 11-6
265 *-----------------------------------------------------------------------
266 * PCMCIA config., multi-function pin tri-state
268 #ifndef CONFIG_CAN_DRIVER
269 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
270 #else /* we must activate GPL5 in the SIUMCR for CAN */
271 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
272 #endif /* CONFIG_CAN_DRIVER */
274 /*-----------------------------------------------------------------------
275 * TBSCR - Time Base Status and Control 11-26
276 *-----------------------------------------------------------------------
277 * Clear Reference Interrupt Status, Timebase freezing enabled
279 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
281 /*-----------------------------------------------------------------------
282 * RTCSC - Real-Time Clock Status and Control Register 11-27
283 *-----------------------------------------------------------------------
285 #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
287 /*-----------------------------------------------------------------------
288 * PISCR - Periodic Interrupt Status and Control 11-31
289 *-----------------------------------------------------------------------
290 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
292 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
294 /*-----------------------------------------------------------------------
295 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
296 *-----------------------------------------------------------------------
297 * Reset PLL lock status sticky bit, timer expired status bit and timer
298 * interrupt status bit
300 #define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
302 /*-----------------------------------------------------------------------
303 * SCCR - System Clock and reset Control Register 15-27
304 *-----------------------------------------------------------------------
305 * Set clock output, timebase and RTC source and divider,
306 * power management and some other internal clocks
308 #define SCCR_MASK SCCR_EBDF11
309 #define CONFIG_SYS_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
310 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
313 /*-----------------------------------------------------------------------
315 *-----------------------------------------------------------------------
318 #define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
319 #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
320 #define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
321 #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
322 #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
323 #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
324 #define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
325 #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
327 /*-----------------------------------------------------------------------
328 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
329 *-----------------------------------------------------------------------
332 #define CONFIG_IDE_PREINIT 1 /* Use preinit IDE hook */
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 CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
340 #define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
342 #define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
344 #define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
346 /* Offset for data I/O */
347 #define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
349 /* Offset for normal register accesses */
350 #define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
352 /* Offset for alternate registers */
353 #define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
355 /*-----------------------------------------------------------------------
357 *-----------------------------------------------------------------------
360 #define CONFIG_SYS_DER 0
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 CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
376 #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
381 #define CONFIG_SYS_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
382 OR_SCY_3_CLK | OR_EHTR | OR_BI)
384 #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
385 #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
386 #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
388 #define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
389 #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
390 #define CONFIG_SYS_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 CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
403 #define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
404 #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
406 #ifndef CONFIG_CAN_DRIVER
407 #define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM
408 #define CONFIG_SYS_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 CONFIG_SYS_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
411 #define CONFIG_SYS_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
412 #define CONFIG_SYS_OR3_CAN (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
413 #define CONFIG_SYS_BR3_CAN ((CONFIG_SYS_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 CONFIG_SYS_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
445 #define CONFIG_SYS_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 CONFIG_SYS_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
453 * #define CONFIG_SYS_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
455 #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
456 #define CONFIG_SYS_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 CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
460 #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
463 * MAMR settings for SDRAM
467 #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_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 CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_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)
475 /* Map peripheral control registers on CS4 */
476 #define CONFIG_SYS_PERIPHERAL_BASE 0xA0000000
477 #define CONFIG_SYS_PERIPHERAL_OR_AM 0xFFFF8000 /* 32 kB address mask */
478 #define CONFIG_SYS_OR4_PRELIM (CONFIG_SYS_PERIPHERAL_OR_AM | OR_TRLX | OR_CSNT_SAM | \
480 #define CONFIG_SYS_BR4_PRELIM ((CONFIG_SYS_PERIPHERAL_BASE & BR_BA_MSK) | BR_PS_8 | BR_V)
481 #define PCMCIA_CTRL (CONFIG_SYS_PERIPHERAL_BASE + 0xB00)
483 /* pass open firmware flat tree */
484 #define CONFIG_OF_LIBFDT 1
485 #define CONFIG_OF_BOARD_SETUP 1
486 #define CONFIG_HWCONFIG 1
488 #endif /* __CONFIG_H */