2 * (C) Copyright 2000-2005
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
37 #define CONFIG_MPC823 1 /* This is a MPC823 CPU */
38 #define CONFIG_TQM823L 1 /* ...on a TQM8xxL module */
41 #define CONFIG_NEC_NL6448BC33_54 /* NEC NL6448BC33_54 display */
43 #ifdef CONFIG_LCD /* with LCD controller ? */
44 #define CONFIG_SPLASH_SCREEN /* ... with splashscreen support*/
47 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
48 #undef CONFIG_8xx_CONS_SMC2
49 #undef CONFIG_8xx_CONS_NONE
50 #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
52 #define CONFIG_PS2KBD /* AT-PS/2 Keyboard */
53 #define CONFIG_PS2MULT /* .. on PS/2 Multiplexer */
54 #define CONFIG_PS2SERIAL 2 /* .. on COM3 */
55 #define CONFIG_PS2MULT_DELAY (CFG_HZ/2) /* Initial delay */
57 #define CONFIG_BOOTCOUNT_LIMIT
59 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
61 #define CONFIG_BOARD_TYPES 1 /* support board types */
63 #define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
65 #undef CONFIG_BOOTARGS
67 #define CONFIG_EXTRA_ENV_SETTINGS \
69 "nfsargs=setenv bootargs root=/dev/nfs rw " \
70 "nfsroot=${serverip}:${rootpath}\0" \
71 "ramargs=setenv bootargs root=/dev/ram rw\0" \
72 "addip=setenv bootargs ${bootargs} " \
73 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
74 ":${hostname}:${netdev}:off panic=1\0" \
75 "flash_nfs=run nfsargs addip;" \
76 "bootm ${kernel_addr}\0" \
77 "flash_self=run ramargs addip;" \
78 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
79 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
80 "rootpath=/opt/eldk/ppc_8xx\0" \
81 "bootfile=/tftpboot/HMI10/uImage\0" \
82 "kernel_addr=40040000\0" \
83 "ramdisk_addr=40100000\0" \
85 #define CONFIG_BOOTCOMMAND "run flash_self"
87 #define CONFIG_BOARD_EARLY_INIT_R 1
88 #define CONFIG_MISC_INIT_R 1
90 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
91 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
93 /* enable I2C and select the hardware/software driver */
94 #undef CONFIG_HARD_I2C /* I2C with hardware support */
95 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
97 #define CFG_I2C_SPEED 40000 /* 40 kHz is supposed to work */
98 #define CFG_I2C_SLAVE 0xFE
100 /* Software (bit-bang) I2C driver configuration */
101 #define PB_SCL 0x00000020 /* PB 26 */
102 #define PB_SDA 0x00000010 /* PB 27 */
104 #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
105 #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
106 #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
107 #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
108 #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
109 else immr->im_cpm.cp_pbdat &= ~PB_SDA
110 #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
111 else immr->im_cpm.cp_pbdat &= ~PB_SCL
112 #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
114 #undef CONFIG_WATCHDOG /* watchdog disabled */
116 #define CONFIG_STATUS_LED 1 /* Status LED enabled */
118 #define CONFIG_CAN_DRIVER 1 /* CAN Driver support enabled */
120 #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
122 #define CONFIG_MAC_PARTITION
123 #define CONFIG_DOS_PARTITION
125 #define CONFIG_RTC_DS1337 /* Use ds1337 rtc via i2c */
126 #define CFG_I2C_RTC_ADDR 0x68 /* at address 0x68 */
128 #ifdef CONFIG_SPLASH_SCREEN
129 # define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
140 # define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
151 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
152 #include <cmd_confdefs.h>
155 * Miscellaneous configurable options
157 #define CFG_LONGHELP /* undef to save memory */
158 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
161 #define CFG_HUSH_PARSER 1 /* use "hush" command parser */
163 #ifdef CFG_HUSH_PARSER
164 #define CFG_PROMPT_HUSH_PS2 "> "
167 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
168 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
170 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
172 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
173 #define CFG_MAXARGS 16 /* max number of command args */
174 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
176 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
177 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
179 #define CFG_LOAD_ADDR 0x100000 /* default load address */
181 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
183 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
186 * Low Level Configuration Settings
187 * (address mappings, register initial values, etc.)
188 * You should know what you are doing if you make changes here.
190 /*-----------------------------------------------------------------------
191 * Internal Memory Mapped Register
193 #define CFG_IMMR 0xFFF00000
195 /*-----------------------------------------------------------------------
196 * Definitions for initial stack pointer and data area (in DPRAM)
198 #define CFG_INIT_RAM_ADDR CFG_IMMR
199 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
200 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
201 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
202 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
204 /*-----------------------------------------------------------------------
205 * Start addresses for the final memory configuration
206 * (Set up by the startup code)
207 * Please note that CFG_SDRAM_BASE _must_ start at 0
209 #define CFG_SDRAM_BASE 0x00000000
210 #define CFG_FLASH_BASE 0x40000000
211 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
212 #define CFG_MONITOR_BASE CFG_FLASH_BASE
213 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
216 * For booting Linux, the board info and command line data
217 * have to be in the first 8 MB of memory, since this is
218 * the maximum mapped by the Linux kernel during initialization.
220 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
222 /*-----------------------------------------------------------------------
225 #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
226 #define CFG_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
228 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
229 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
231 #define CFG_ENV_IS_IN_FLASH 1
232 #define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
233 #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
235 /* Address and size of Redundant Environment Sector */
236 #define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SIZE)
237 #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
239 /*-----------------------------------------------------------------------
240 * Hardware Information Block
242 #define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
243 #define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */
244 #define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
246 /*-----------------------------------------------------------------------
247 * Cache Configuration
249 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
250 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
251 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
254 /*-----------------------------------------------------------------------
255 * SYPCR - System Protection Control 11-9
256 * SYPCR can only be written once after reset!
257 *-----------------------------------------------------------------------
258 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
260 #if defined(CONFIG_WATCHDOG)
261 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
262 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
264 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
267 /*-----------------------------------------------------------------------
268 * SIUMCR - SIU Module Configuration 11-6
269 *-----------------------------------------------------------------------
270 * PCMCIA config., multi-function pin tri-state
272 #ifndef CONFIG_CAN_DRIVER
273 #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
274 #else /* we must activate GPL5 in the SIUMCR for CAN */
275 #define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
276 #endif /* CONFIG_CAN_DRIVER */
278 /*-----------------------------------------------------------------------
279 * TBSCR - Time Base Status and Control 11-26
280 *-----------------------------------------------------------------------
281 * Clear Reference Interrupt Status, Timebase freezing enabled
283 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
285 /*-----------------------------------------------------------------------
286 * RTCSC - Real-Time Clock Status and Control Register 11-27
287 *-----------------------------------------------------------------------
289 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
291 /*-----------------------------------------------------------------------
292 * PISCR - Periodic Interrupt Status and Control 11-31
293 *-----------------------------------------------------------------------
294 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
296 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
298 /*-----------------------------------------------------------------------
299 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
300 *-----------------------------------------------------------------------
301 * Reset PLL lock status sticky bit, timer expired status bit and timer
302 * interrupt status bit
304 * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
306 #define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
308 /*-----------------------------------------------------------------------
309 * SCCR - System Clock and reset Control Register 15-27
310 *-----------------------------------------------------------------------
311 * Set clock output, timebase and RTC source and divider,
312 * power management and some other internal clocks
314 #define SCCR_MASK SCCR_EBDF11
315 #define CFG_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
316 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
319 /*-----------------------------------------------------------------------
321 *-----------------------------------------------------------------------
324 #define CFG_PCMCIA_MEM_ADDR (0xE0100000)
325 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
326 #define CFG_PCMCIA_DMA_ADDR (0xE4100000)
327 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
328 #define CFG_PCMCIA_ATTRB_ADDR (0xE8100000)
329 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
330 #define CFG_PCMCIA_IO_ADDR (0xEC100000)
331 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
332 #define PCMCIA_MEM_WIN_NO 5
333 #define NSCU_OE_INV 1 /* PCMCIA_GCRX_CXOE is inverted */
335 /*-----------------------------------------------------------------------
336 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
337 *-----------------------------------------------------------------------
340 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
342 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
343 #undef CONFIG_IDE_RESET /* reset for ide not supported */
344 #ifndef CONFIG_STATUS_LED /* Status and IDE LED's are mutually exclusive */
345 #define CONFIG_IDE_LED 1 /* LED for ide supported */
348 #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
349 #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
351 #define CFG_ATA_IDE0_OFFSET 0x0000
353 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
355 /* Offset for data I/O */
356 #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
358 /* Offset for normal register accesses */
359 #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
361 /* Offset for alternate registers */
362 #define CFG_ATA_ALT_OFFSET 0x0100
364 /*-----------------------------------------------------------------------
366 *-----------------------------------------------------------------------
372 * Init Memory Controller:
374 * BR0/1 and OR0/1 (FLASH)
377 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
378 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
380 /* used to re-map FLASH both when starting from SRAM or FLASH:
381 * restrict access enough to keep SRAM working (if any)
382 * but not too much to meddle with FLASH accesses
384 #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
385 #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
390 #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
391 OR_SCY_3_CLK | OR_EHTR | OR_BI)
393 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
394 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
395 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
397 #define CFG_OR1_REMAP CFG_OR0_REMAP
398 #define CFG_OR1_PRELIM CFG_OR0_PRELIM
399 #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
402 * BR2/3 and OR2/3 (SDRAM)
405 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
406 #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
407 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
409 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
410 #define CFG_OR_TIMING_SDRAM 0x00000A00
412 #define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
413 #define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
415 #ifndef CONFIG_CAN_DRIVER
416 #define CFG_OR3_PRELIM CFG_OR2_PRELIM
417 #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
418 #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
419 #define CFG_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
420 #define CFG_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
421 #define CFG_OR3_CAN (CFG_CAN_OR_AM | OR_G5LA | OR_BI)
422 #define CFG_BR3_CAN ((CFG_CAN_BASE & BR_BA_MSK) | \
423 BR_PS_8 | BR_MS_UPMB | BR_V )
424 #endif /* CONFIG_CAN_DRIVER */
427 * Memory Periodic Timer Prescaler
429 * The Divider for PTA (refresh timer) configuration is based on an
430 * example SDRAM configuration (64 MBit, one bank). The adjustment to
431 * the number of chip selects (NCS) and the actually needed refresh
432 * rate is done by setting MPTPR.
434 * PTA is calculated from
435 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
437 * gclk CPU clock (not bus clock!)
438 * Trefresh Refresh cycle * 4 (four word bursts used)
440 * 4096 Rows from SDRAM example configuration
441 * 1000 factor s -> ms
442 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
443 * 4 Number of refresh cycles per period
444 * 64 Refresh cycle in ms per number of rows
445 * --------------------------------------------
446 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
448 * 50 MHz => 50.000.000 / Divider = 98
449 * 66 Mhz => 66.000.000 / Divider = 129
450 * 80 Mhz => 80.000.000 / Divider = 156
453 #define CFG_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
454 #define CFG_MAMR_PTA 98
457 * For 16 MBit, refresh rates could be 31.3 us
458 * (= 64 ms / 2K = 125 / quad bursts).
459 * For a simpler initialization, 15.6 us is used instead.
461 * #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
462 * #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
464 #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
465 #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
467 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
468 #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
469 #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
472 * MAMR settings for SDRAM
476 #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
477 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
478 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
480 #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
481 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
482 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
486 * Internal Definitions
490 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
491 #define BOOTFLAG_WARM 0x02 /* Software reboot */
493 #endif /* __CONFIG_H */