2 * (C) Copyright 2000, 2001
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * Modified by Udi Finkelstein udif@udif.com
6 * For the RBC823 board.
8 * See file CREDITS for list of people who contributed to this
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 * board/config.h - configuration options, board specific
35 * High Level Configuration Options
39 #define CONFIG_MPC823 1 /* This is a MPC823 CPU */
40 #define CONFIG_RBC823 1 /* ...on a RBC823 module */
45 #define CONFIG_LAST_STAGE_INIT
47 #define CONFIG_KEYBOARD 1 /* This board has a custom keybpard */
48 #define CONFIG_LCD 1 /* use LCD controller ... */
49 #define CONFIG_HITACHI_SP19X001_Z1A /* The LCD type we use */
51 #define CONFIG_8xx_CONS_SMC2 1 /* Console is on SMC2 */
52 #undef CONFIG_8xx_CONS_SMC1
53 #undef CONFIG_8xx_CONS_NONE
54 #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
56 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
58 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
61 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
62 #define CONFIG_8xx_GCLK_FREQ 48000000L
64 #define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
66 #undef CONFIG_BOOTARGS
67 #define CONFIG_BOOTCOMMAND \
69 "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
70 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
73 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
74 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
76 #undef CONFIG_WATCHDOG /* watchdog disabled */
78 #define CONFIG_STATUS_LED 1 /* Status LED enabled */
80 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
85 #define CONFIG_BOOTP_SUBNETMASK
86 #define CONFIG_BOOTP_GATEWAY
87 #define CONFIG_BOOTP_HOSTNAME
88 #define CONFIG_BOOTP_BOOTPATH
89 #define CONFIG_BOOTP_BOOTFILESIZE
92 #undef CONFIG_MAC_PARTITION
93 #define CONFIG_DOS_PARTITION
95 #undef CONFIG_RTC_MPC8xx /* don't use internal RTC of MPC8xx (no battery) */
97 #define CONFIG_HARD_I2C
98 #define CFG_I2C_SPEED 40000
99 #define CFG_I2C_SLAVE 0xfe
100 #define CFG_I2C_EEPROM_ADDR 0x50
101 #define CFG_I2C_EEPROM_ADDR_LEN 1
102 #define CFG_EEPROM_WRITE_BITS 4
103 #define CFG_EEPROM_WRITE_DELAY_MS 10
106 * Command line configuration.
108 #include <config_cmd_default.h>
110 #define CONFIG_CMD_ASKENV
111 #define CONFIG_CMD_BEDBUG
112 #define CONFIG_CMD_BMP
113 #define CONFIG_CMD_CACHE
114 #define CONFIG_CMD_CDP
115 #define CONFIG_CMD_DHCP
116 #define CONFIG_CMD_DIAG
117 #define CONFIG_CMD_DOC
118 #define CONFIG_CMD_EEPROM
119 #define CONFIG_CMD_ELF
120 #define CONFIG_CMD_FAT
121 #define CONFIG_CMD_I2C
122 #define CONFIG_CMD_IMMAP
123 #define CONFIG_CMD_KGDB
124 #define CONFIG_CMD_PING
125 #define CONFIG_CMD_PORTIO
126 #define CONFIG_CMD_REGINFO
127 #define CONFIG_CMD_SAVES
128 #define CONFIG_CMD_SDRAM
130 #undef CONFIG_CMD_SETGETDCR
131 #undef CONFIG_CMD_XIMG
134 * Miscellaneous configurable options
136 #define CFG_LONGHELP /* undef to save memory */
137 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
138 #if defined(CONFIG_CMD_KGDB)
139 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
141 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
143 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
144 #define CFG_MAXARGS 16 /* max number of command args */
145 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
147 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
148 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
150 #define CFG_LOAD_ADDR 0x0100000 /* default load address */
152 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
154 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
157 * Low Level Configuration Settings
158 * (address mappings, register initial values, etc.)
159 * You should know what you are doing if you make changes here.
161 /*-----------------------------------------------------------------------
162 * Internal Memory Mapped Register
164 #define CFG_IMMR 0xFF000000
166 /*-----------------------------------------------------------------------
167 * Definitions for initial stack pointer and data area (in DPRAM)
169 #define CFG_INIT_RAM_ADDR CFG_IMMR
170 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
171 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
172 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
173 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
175 /*-----------------------------------------------------------------------
176 * Start addresses for the final memory configuration
177 * (Set up by the startup code)
178 * Please note that CFG_SDRAM_BASE _must_ start at 0
180 #define CFG_SDRAM_BASE 0x00000000
181 #define CFG_FLASH_BASE 0xFFF00000
183 #define CFG_MONITOR_LEN (384 << 10) /* Reserve 256 kB for Monitor */
185 #define CFG_MONITOR_LEN (384 << 10) /* Reserve 192 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 /*-----------------------------------------------------------------------
200 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
201 #define CFG_MAX_FLASH_SECT 67 /* max number of sectors on one chip */
203 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
204 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
206 #define CFG_ENV_IS_IN_FLASH 1
207 #define CFG_ENV_OFFSET 0x10000 /* Offset of Environment Sector */
208 #define CFG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */
210 /*-----------------------------------------------------------------------
211 * Cache Configuration
213 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
214 #if defined(CONFIG_CMD_KGDB)
215 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
218 /*-----------------------------------------------------------------------
219 * SYPCR - System Protection Control 11-9
220 * SYPCR can only be written once after reset!
221 *-----------------------------------------------------------------------
222 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
224 #if defined(CONFIG_WATCHDOG)
225 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
226 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
229 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
231 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWRI | SYPCR_SWP)
234 /*-----------------------------------------------------------------------
235 * SIUMCR - SIU Module Configuration 11-6
236 *-----------------------------------------------------------------------
237 * PCMCIA config., multi-function pin tri-state
239 #define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC00 | SIUMCR_FRC)
241 /*-----------------------------------------------------------------------
242 * TBSCR - Time Base Status and Control 11-26
243 *-----------------------------------------------------------------------
244 * Clear Reference Interrupt Status, Timebase freezing enabled
246 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
248 /*-----------------------------------------------------------------------
249 * RTCSC - Real-Time Clock Status and Control Register 11-27
250 *-----------------------------------------------------------------------
252 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
254 /*-----------------------------------------------------------------------
255 * PISCR - Periodic Interrupt Status and Control 11-31
256 *-----------------------------------------------------------------------
257 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
259 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
261 /*-----------------------------------------------------------------------
262 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
263 *-----------------------------------------------------------------------
264 * Reset PLL lock status sticky bit, timer expired status bit and timer
265 * interrupt status bit
270 * for 48 MHz, we use a 4 MHz clock * 12
273 ( (12-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_LOLRE )
275 /*-----------------------------------------------------------------------
276 * SCCR - System Clock and reset Control Register 15-27
277 *-----------------------------------------------------------------------
278 * Set clock output, timebase and RTC source and divider,
279 * power management and some other internal clocks
281 #define SCCR_MASK SCCR_EBDF11
282 #define CFG_SCCR (SCCR_RTDIV | SCCR_RTSEL | SCCR_CRQEN | \
283 SCCR_PRQEN | SCCR_EBDF00 | \
284 SCCR_COM01 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
285 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD001 | \
289 /*-----------------------------------------------------------------------
291 *-----------------------------------------------------------------------
294 #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
295 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
296 #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
297 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
298 #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
299 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
300 #define CFG_PCMCIA_IO_ADDR (0xEC000000)
301 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
303 /*-----------------------------------------------------------------------
304 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
305 *-----------------------------------------------------------------------
308 #define CONFIG_IDE_PCCARD 1 /* Use IDE with PC Card Adapter */
310 #undef CONFIG_IDE_PCMCIA /* Direct IDE not supported */
311 #undef CONFIG_IDE_LED /* LED for ide not supported */
312 #undef CONFIG_IDE_RESET /* reset for ide not supported */
314 #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
315 #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
317 #define CFG_ATA_IDE0_OFFSET 0x0000
319 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
321 /* Offset for data I/O */
322 #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
324 /* Offset for normal register accesses */
325 #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
327 /* Offset for alternate registers */
328 #define CFG_ATA_ALT_OFFSET 0x0100
332 /************************************************************
333 * Disk-On-Chip configuration
334 ************************************************************/
335 #define CFG_MAX_DOC_DEVICE 1 /* Max number of DOC devices */
336 #define CFG_DOC_SHORT_TIMEOUT
337 #define CFG_DOC_SUPPORT_2000
338 #define CFG_DOC_SUPPORT_MILLENNIUM
340 /*-----------------------------------------------------------------------
342 *-----------------------------------------------------------------------
345 /*#define CFG_DER 0x2002000F*/
349 * Init Memory Controller:
351 * BR0/1 and OR0/1 (FLASH)
354 #define FLASH_BASE0_PRELIM 0xFFF00000 /* FLASH bank #0 */
355 #define FLASH_BASE1_PRELIM 0x04000000 /* D.O.C Millenium */
357 /* used to re-map FLASH both when starting from SRAM or FLASH:
358 * restrict access enough to keep SRAM working (if any)
359 * but not too much to meddle with FLASH accesses
361 #define CFG_PRELIM_OR_AM 0xFFF80000 /* OR addr mask */
363 /* FLASH timing: ACS = 00, TRLX = 0, CSNT = 1, SCY = 7, EHTR = 1 */
364 #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_BI | OR_SCY_7_CLK | OR_EHTR)
366 #define CFG_OR_TIMING_MSYS (OR_ACS_DIV1 | OR_BI)
368 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
369 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_8 | BR_V)
371 #define CFG_OR1_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_MSYS)
372 #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMB | \
376 * BR4 and OR4 (SDRAM)
379 #define SDRAM_BASE4_PRELIM 0x00000000 /* SDRAM bank #0 */
380 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
385 #define CFG_OR_TIMING_SDRAM (OR_CSNT_SAM)
387 #define CFG_OR4_PRELIM (~(SDRAM_MAX_SIZE-1) | CFG_OR_TIMING_SDRAM )
388 #define CFG_BR4_PRELIM ((SDRAM_BASE4_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
391 * Memory Periodic Timer Prescaler
394 /* periodic timer for refresh */
395 #define CFG_MAMR_PTA 187 /* start with divider for 48 MHz */
397 /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
398 #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
399 #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
401 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
402 #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
403 #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
406 * MAMR settings for SDRAM
410 #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
411 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
412 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
414 #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
415 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
416 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
420 * Internal Definitions
424 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
425 #define BOOTFLAG_WARM 0x02 /* Software reboot */
431 /* No command line, one static partition, whole device */
432 #undef CONFIG_JFFS2_CMDLINE
433 #define CONFIG_JFFS2_DEV "nor0"
434 #define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF
435 #define CONFIG_JFFS2_PART_OFFSET 0x00000000
437 /* mtdparts command line support */
438 /* Note: fake mtd_id used, no linux mtd map file */
440 #define CONFIG_JFFS2_CMDLINE
441 #define MTDIDS_DEFAULT ""
442 #define MTDPARTS_DEFAULT ""
445 #endif /* __CONFIG_H */