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 */
82 #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
84 #undef CONFIG_MAC_PARTITION
85 #define CONFIG_DOS_PARTITION
87 #undef CONFIG_RTC_MPC8xx /* don't use internal RTC of MPC8xx (no battery) */
89 #define CONFIG_HARD_I2C
90 #define CFG_I2C_SPEED 40000
91 #define CFG_I2C_SLAVE 0xfe
92 #define CFG_I2C_EEPROM_ADDR 0x50
93 #define CFG_I2C_EEPROM_ADDR_LEN 1
94 #define CFG_EEPROM_WRITE_BITS 4
95 #define CFG_EEPROM_WRITE_DELAY_MS 10
97 #define CONFIG_COMMANDS ( CFG_CMD_ALL & \
115 ~CFG_CMD_SETGETDCR & \
118 ~CFG_CMD_UNIVERSE & \
123 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
124 #include <cmd_confdefs.h>
127 * Miscellaneous configurable options
129 #define CFG_LONGHELP /* undef to save memory */
130 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
131 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
132 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
134 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
136 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
137 #define CFG_MAXARGS 16 /* max number of command args */
138 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
140 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
141 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
143 #define CFG_LOAD_ADDR 0x0100000 /* default load address */
145 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
147 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
150 * Low Level Configuration Settings
151 * (address mappings, register initial values, etc.)
152 * You should know what you are doing if you make changes here.
154 /*-----------------------------------------------------------------------
155 * Internal Memory Mapped Register
157 #define CFG_IMMR 0xFF000000
159 /*-----------------------------------------------------------------------
160 * Definitions for initial stack pointer and data area (in DPRAM)
162 #define CFG_INIT_RAM_ADDR CFG_IMMR
163 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
164 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
165 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
166 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
168 /*-----------------------------------------------------------------------
169 * Start addresses for the final memory configuration
170 * (Set up by the startup code)
171 * Please note that CFG_SDRAM_BASE _must_ start at 0
173 #define CFG_SDRAM_BASE 0x00000000
174 #define CFG_FLASH_BASE 0xFFF00000
176 #define CFG_MONITOR_LEN (384 << 10) /* Reserve 256 kB for Monitor */
178 #define CFG_MONITOR_LEN (384 << 10) /* Reserve 192 kB for Monitor */
180 #define CFG_MONITOR_BASE CFG_FLASH_BASE
181 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
184 * For booting Linux, the board info and command line data
185 * have to be in the first 8 MB of memory, since this is
186 * the maximum mapped by the Linux kernel during initialization.
188 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
190 /*-----------------------------------------------------------------------
193 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
194 #define CFG_MAX_FLASH_SECT 67 /* max number of sectors on one chip */
196 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
197 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
199 #define CFG_ENV_IS_IN_FLASH 1
200 #define CFG_ENV_OFFSET 0x10000 /* Offset of Environment Sector */
201 #define CFG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */
203 /*-----------------------------------------------------------------------
204 * Cache Configuration
206 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
207 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
208 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
211 /*-----------------------------------------------------------------------
212 * SYPCR - System Protection Control 11-9
213 * SYPCR can only be written once after reset!
214 *-----------------------------------------------------------------------
215 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
217 #if defined(CONFIG_WATCHDOG)
218 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
219 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
222 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
224 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWRI | SYPCR_SWP)
227 /*-----------------------------------------------------------------------
228 * SIUMCR - SIU Module Configuration 11-6
229 *-----------------------------------------------------------------------
230 * PCMCIA config., multi-function pin tri-state
232 #define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC00 | SIUMCR_FRC)
234 /*-----------------------------------------------------------------------
235 * TBSCR - Time Base Status and Control 11-26
236 *-----------------------------------------------------------------------
237 * Clear Reference Interrupt Status, Timebase freezing enabled
239 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
241 /*-----------------------------------------------------------------------
242 * RTCSC - Real-Time Clock Status and Control Register 11-27
243 *-----------------------------------------------------------------------
245 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
247 /*-----------------------------------------------------------------------
248 * PISCR - Periodic Interrupt Status and Control 11-31
249 *-----------------------------------------------------------------------
250 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
252 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
254 /*-----------------------------------------------------------------------
255 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
256 *-----------------------------------------------------------------------
257 * Reset PLL lock status sticky bit, timer expired status bit and timer
258 * interrupt status bit
263 * for 48 MHz, we use a 4 MHz clock * 12
266 ( (12-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_LOLRE )
268 /*-----------------------------------------------------------------------
269 * SCCR - System Clock and reset Control Register 15-27
270 *-----------------------------------------------------------------------
271 * Set clock output, timebase and RTC source and divider,
272 * power management and some other internal clocks
274 #define SCCR_MASK SCCR_EBDF11
275 #define CFG_SCCR (SCCR_RTDIV | SCCR_RTSEL | SCCR_CRQEN | \
276 SCCR_PRQEN | SCCR_EBDF00 | \
277 SCCR_COM01 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
278 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD001 | \
282 /*-----------------------------------------------------------------------
284 *-----------------------------------------------------------------------
287 #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
288 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
289 #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
290 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
291 #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
292 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
293 #define CFG_PCMCIA_IO_ADDR (0xEC000000)
294 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
296 /*-----------------------------------------------------------------------
297 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
298 *-----------------------------------------------------------------------
301 #define CONFIG_IDE_PCCARD 1 /* Use IDE with PC Card Adapter */
303 #undef CONFIG_IDE_PCMCIA /* Direct IDE not supported */
304 #undef CONFIG_IDE_LED /* LED for ide not supported */
305 #undef CONFIG_IDE_RESET /* reset for ide not supported */
307 #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
308 #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
310 #define CFG_ATA_IDE0_OFFSET 0x0000
312 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
314 /* Offset for data I/O */
315 #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
317 /* Offset for normal register accesses */
318 #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
320 /* Offset for alternate registers */
321 #define CFG_ATA_ALT_OFFSET 0x0100
325 /************************************************************
326 * Disk-On-Chip configuration
327 ************************************************************/
328 #define CFG_MAX_DOC_DEVICE 1 /* Max number of DOC devices */
329 #define CFG_DOC_SHORT_TIMEOUT
330 #define CFG_DOC_SUPPORT_2000
331 #define CFG_DOC_SUPPORT_MILLENNIUM
333 /*-----------------------------------------------------------------------
335 *-----------------------------------------------------------------------
338 /*#define CFG_DER 0x2002000F*/
342 * Init Memory Controller:
344 * BR0/1 and OR0/1 (FLASH)
347 #define FLASH_BASE0_PRELIM 0xFFF00000 /* FLASH bank #0 */
348 #define FLASH_BASE1_PRELIM 0x04000000 /* D.O.C Millenium */
350 /* used to re-map FLASH both when starting from SRAM or FLASH:
351 * restrict access enough to keep SRAM working (if any)
352 * but not too much to meddle with FLASH accesses
354 #define CFG_PRELIM_OR_AM 0xFFF80000 /* OR addr mask */
356 /* FLASH timing: ACS = 00, TRLX = 0, CSNT = 1, SCY = 7, EHTR = 1 */
357 #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_BI | OR_SCY_7_CLK | OR_EHTR)
359 #define CFG_OR_TIMING_MSYS (OR_ACS_DIV1 | OR_BI)
361 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
362 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_8 | BR_V)
364 #define CFG_OR1_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_MSYS)
365 #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMB | \
369 * BR4 and OR4 (SDRAM)
372 #define SDRAM_BASE4_PRELIM 0x00000000 /* SDRAM bank #0 */
373 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
378 #define CFG_OR_TIMING_SDRAM (OR_CSNT_SAM)
380 #define CFG_OR4_PRELIM (~(SDRAM_MAX_SIZE-1) | CFG_OR_TIMING_SDRAM )
381 #define CFG_BR4_PRELIM ((SDRAM_BASE4_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
384 * Memory Periodic Timer Prescaler
387 /* periodic timer for refresh */
388 #define CFG_MAMR_PTA 187 /* start with divider for 48 MHz */
390 /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
391 #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
392 #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
394 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
395 #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
396 #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
399 * MAMR settings for SDRAM
403 #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
404 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
405 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
407 #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
408 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
409 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
413 * Internal Definitions
417 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
418 #define BOOTFLAG_WARM 0x02 /* Software reboot */
424 /* No command line, one static partition, whole device */
425 #undef CONFIG_JFFS2_CMDLINE
426 #define CONFIG_JFFS2_DEV "nor0"
427 #define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF
428 #define CONFIG_JFFS2_PART_OFFSET 0x00000000
430 /* mtdparts command line support */
431 /* Note: fake mtd_id used, no linux mtd map file */
433 #define CONFIG_JFFS2_CMDLINE
434 #define MTDIDS_DEFAULT ""
435 #define MTDPARTS_DEFAULT ""
438 #endif /* __CONFIG_H */