2 * (C) Copyright 2000, 2001
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_V37 1 /* ...on a Marel V37 board */
40 #define CONFIG_SHARP_LQ084V1DG21
41 #undef CONFIG_LCD_LOGO
43 /*-----------------------------------------------------------------------------
45 *-----------------------------------------------------------------------------
48 #define CFG_I2C_SLAVE 0x2
50 #define CONFIG_8xx_CONS_SMC1 1
51 #undef CONFIG_8xx_CONS_SMC2 /* Console is on SMC2 */
52 #undef CONFIG_8xx_CONS_NONE
53 #define CONFIG_BAUDRATE 9600 /* console baudrate = 115kbps */
55 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
57 #define CONFIG_BOOTDELAY 2 /* autoboot after 2 seconds */
60 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
61 #define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
63 #undef CONFIG_BOOTARGS
65 #define CONFIG_BOOTCOMMAND \
67 "setenv bootargs console=tty0 " \
68 "root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
69 "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off; " \
72 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
73 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
75 #undef CONFIG_WATCHDOG /* watchdog disabled */
77 #define CONFIG_CAN_DRIVER 1 /* CAN Driver support enabled */
79 #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
81 #define CONFIG_MAC_PARTITION
82 #define CONFIG_DOS_PARTITION
84 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
86 #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
94 /* No command line, one static partition, whole device */
95 #undef CONFIG_JFFS2_CMDLINE
96 #define CONFIG_JFFS2_DEV "nor1"
97 #define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF
98 #define CONFIG_JFFS2_PART_OFFSET 0x00000000
100 /* mtdparts command line support */
101 /* Note: fake mtd_id used, no linux mtd map file */
103 #define CONFIG_JFFS2_CMDLINE
104 #define MTDIDS_DEFAULT "nor1=v37-1"
105 #define MTDPARTS_DEFAULT "mtdparts=v37-1:-(jffs2)"
108 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
109 #include <cmd_confdefs.h>
112 * Miscellaneous configurable options
114 #define CFG_LONGHELP /* undef to save memory */
115 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
116 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
117 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
119 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
121 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
122 #define CFG_MAXARGS 16 /* max number of command args */
123 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
125 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
126 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
128 #define CFG_LOAD_ADDR 0x100000 /* default load address */
130 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
132 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
135 * Low Level Configuration Settings
136 * (address mappings, register initial values, etc.)
137 * You should know what you are doing if you make changes here.
139 /*-----------------------------------------------------------------------
140 * Internal Memory Mapped Register
142 #define CFG_IMMR 0xF0000000
144 /*-----------------------------------------------------------------------
145 * Definitions for initial stack pointer and data area (in DPRAM)
147 #define CFG_INIT_RAM_ADDR CFG_IMMR
148 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
149 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
150 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
151 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
153 /*-----------------------------------------------------------------------
154 * Start addresses for the final memory configuration
155 * (Set up by the startup code)
156 * Please note that CFG_SDRAM_BASE _must_ start at 0
158 #define CFG_SDRAM_BASE 0x00000000
159 #define CFG_FLASH_BASE0 0x40000000
160 #define CFG_FLASH_BASE1 0x60000000
161 #define CFG_FLASH_BASE CFG_FLASH_BASE1
164 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
166 #define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
168 #define CFG_MONITOR_BASE CFG_FLASH_BASE0
169 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
172 * For booting Linux, the board info and command line data
173 * have to be in the first 8 MB of memory, since this is
174 * the maximum mapped by the Linux kernel during initialization.
176 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
178 /*-----------------------------------------------------------------------
181 #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
182 #define CFG_MAX_FLASH_SECT 35 /* max number of sectors on one chip */
184 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
185 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
187 #define CFG_ENV_IS_IN_NVRAM 1
188 #define CFG_ENV_ADDR 0x80000000/* Address of Environment */
189 #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
191 #define CFG_ENV_OFFSET 0
193 /*-----------------------------------------------------------------------
194 * Cache Configuration
196 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
197 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
198 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
201 /*-----------------------------------------------------------------------
202 * SYPCR - System Protection Control 11-9
203 * SYPCR can only be written once after reset!
204 *-----------------------------------------------------------------------
205 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
207 #if defined(CONFIG_WATCHDOG)
208 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
209 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
211 #define CFG_SYPCR 0xFFFFFF88
214 /*-----------------------------------------------------------------------
215 * SIUMCR - SIU Module Configuration 11-6
216 *-----------------------------------------------------------------------
217 * PCMCIA config., multi-function pin tri-state
219 #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_FRC | SIUMCR_GB5E)
221 /*-----------------------------------------------------------------------
222 * TBSCR - Time Base Status and Control 11-26
223 *-----------------------------------------------------------------------
224 * Clear Reference Interrupt Status, Timebase freezing enabled
226 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)
228 /*-----------------------------------------------------------------------
229 * RTCSC - Real-Time Clock Status and Control Register 11-27
230 *-----------------------------------------------------------------------
232 /*%%%#define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) */
233 #define CFG_RTCSC (RTCSC_SEC | RTCSC_RTE)
235 /*-----------------------------------------------------------------------
236 * PISCR - Periodic Interrupt Status and Control 11-31
237 *-----------------------------------------------------------------------
238 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
240 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
242 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
245 /*-----------------------------------------------------------------------
246 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
247 *-----------------------------------------------------------------------
248 * Reset PLL lock status sticky bit, timer expired status bit and timer
249 * interrupt status bit
251 * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
253 /* up to 50 MHz we use a 1:1 clock */
254 #define CFG_PLPRCR ( (1524 << PLPRCR_MF_SHIFT) | PLPRCR_SPLSS | PLPRCR_TMIST | PLPRCR_TEXPS )
256 /*-----------------------------------------------------------------------
257 * SCCR - System Clock and reset Control Register 15-27
258 *-----------------------------------------------------------------------
259 * Set clock output, timebase and RTC source and divider,
260 * power management and some other internal clocks
262 #define SCCR_MASK SCCR_EBDF11
263 /* up to 50 MHz we use a 1:1 clock */
264 #define CFG_SCCR (SCCR_COM00 | SCCR_TBS)
266 /*-----------------------------------------------------------------------
268 *-----------------------------------------------------------------------
271 #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
272 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
273 #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
274 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
275 #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
276 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
277 #define CFG_PCMCIA_IO_ADDR (0xEC000000)
278 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
280 /*-----------------------------------------------------------------------
281 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
282 *-----------------------------------------------------------------------
285 #undef CONFIG_IDE_PCCARD /* Use IDE with PC Card Adapter */
287 #undef CONFIG_IDE_PCMCIA /* Direct IDE not supported */
288 #undef CONFIG_IDE_LED /* LED for ide not supported */
289 #undef CONFIG_IDE_RESET /* reset for ide not supported */
291 #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
292 #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
294 #define CFG_ATA_IDE0_OFFSET 0x0000
296 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
298 /* Offset for data I/O */
299 #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
301 /* Offset for normal register accesses */
302 #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
304 /* Offset for alternate registers */
305 #define CFG_ATA_ALT_OFFSET 0x0100
307 /*-----------------------------------------------------------------------
309 *-----------------------------------------------------------------------
315 * Init Memory Controller:
317 * BR0 and OR0 (FLASH)
320 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
321 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #1 */
323 #define CFG_PRELIM_OR_AM 0xFE000000 /* OR addr mask */
325 #define CFG_OR_TIMING_FLASH 0xF56
327 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
328 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V)
330 #define CFG_OR5_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
331 #define CFG_BR5_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_PS_32 | BR_V)
334 * BR1 and OR1 (Battery backed SRAM)
336 #define CFG_BR1_PRELIM 0x80000401
337 #define CFG_OR1_PRELIM 0xFFC00736
340 * BR2 and OR2 (SDRAM)
342 #define SDRAM_BASE_PRELIM 0x00000000 /* SDRAM base */
343 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB */
345 #define CFG_OR_TIMING_SDRAM 0x00000A00
347 #define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
348 #define CFG_BR2_PRELIM ((SDRAM_BASE_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
350 /* Marel V37 mem setting */
352 #define CFG_BR3_CAN 0xC0000401
353 #define CFG_OR3_CAN 0xFFFF0724
356 #define CFG_BR3_PRELIM 0xFA400001
357 #define CFG_OR3_PRELIM 0xFFFF8910
358 #define CFG_BR4_PRELIM 0xFA000401
359 #define CFG_OR4_PRELIM 0xFFFE0970
363 * Memory Periodic Timer Prescaler
366 /* periodic timer for refresh */
367 #define CFG_MAMR_PTA 97 /* start with divider for 100 MHz */
370 * Refresh clock Prescalar
372 #define CFG_MPTPR MPTPR_PTP_DIV16
375 * MAMR settings for SDRAM
378 /* 10 column SDRAM */
379 #define CFG_MAMR_10COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
380 MAMR_AMA_TYPE_2 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A12 | \
381 MAMR_GPL_A4DIS | MAMR_RLFA_4X | MAMR_WLFA_3X | MAMR_TLFA_16X)
384 * Internal Definitions
388 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
389 #define BOOTFLAG_WARM 0x02 /* Software reboot */
391 #endif /* __CONFIG_H */