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
36 #define CONFIG_MPC823 1 /* This is a MPC823 CPU */
37 #define CONFIG_R360MPI 1
39 #define CONFIG_SYS_TEXT_BASE 0x40000000
42 #define CONFIG_MPC8XX_LCD
43 #undef CONFIG_EDT32F10
44 #define CONFIG_SHARP_LQ057Q3DC02
46 #define CONFIG_SPLASH_SCREEN
48 #define MPC8XX_FACT 1 /* Multiply by 1 */
49 #define MPC8XX_XIN 50000000 /* 50 MHz in */
50 #define CONFIG_8xx_GCLK_FREQ 50000000 /* define if can't use get_gclk_freq */
52 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
53 #undef CONFIG_8xx_CONS_SMC2
54 #undef CONFIG_8xx_CONS_NONE
55 #define CONFIG_BAUDRATE 115200 /* console baudrate in bps */
57 #define CONFIG_BOOTDELAY 0 /* immediate boot */
59 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
62 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
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 #undef CONFIG_SCC1_ENET
74 #define CONFIG_SCC2_ENET
76 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
77 #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
79 #define CONFIG_MISC_INIT_R /* have misc_init_r() function */
81 #undef CONFIG_WATCHDOG /* watchdog disabled */
83 #define CONFIG_CAN_DRIVER /* CAN Driver support enabled */
88 #define CONFIG_BOOTP_SUBNETMASK
89 #define CONFIG_BOOTP_GATEWAY
90 #define CONFIG_BOOTP_HOSTNAME
91 #define CONFIG_BOOTP_BOOTPATH
92 #define CONFIG_BOOTP_BOOTFILESIZE
94 #define CONFIG_MAC_PARTITION
95 #define CONFIG_DOS_PARTITION
97 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
99 #define CONFIG_HARD_I2C 1 /* To I2C with hardware support */
100 #undef CONFIG_SORT_I2C /* To I2C with software support */
101 #define CONFIG_SYS_I2C_SPEED 4700 /* I2C speed and slave address */
102 #define CONFIG_SYS_I2C_SLAVE 0x7F
105 * Software (bit-bang) I2C driver configuration
107 #define PB_SCL 0x00000020 /* PB 26 */
108 #define PB_SDA 0x00000010 /* PB 27 */
110 #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
111 #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
112 #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
113 #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
114 #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
115 else immr->im_cpm.cp_pbdat &= ~PB_SDA
116 #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
117 else immr->im_cpm.cp_pbdat &= ~PB_SCL
118 #define I2C_DELAY udelay(50)
120 #define CONFIG_SYS_I2C_LCD_ADDR 0x8 /* LCD Control */
121 #define CONFIG_SYS_I2C_KEY_ADDR 0x9 /* Keyboard coprocessor */
122 #define CONFIG_SYS_I2C_TEM_ADDR 0x49 /* Temperature Sensors */
126 * Command line configuration.
128 #include <config_cmd_default.h>
130 #define CONFIG_CMD_BMP
131 #define CONFIG_CMD_BSP
132 #define CONFIG_CMD_DATE
133 #define CONFIG_CMD_DHCP
134 #define CONFIG_CMD_I2C
135 #define CONFIG_CMD_IDE
136 #define CONFIG_CMD_JFFS2
137 #define CONFIG_CMD_NFS
138 #define CONFIG_CMD_PCMCIA
139 #define CONFIG_CMD_SNTP
143 * Miscellaneous configurable options
145 #define CONFIG_SYS_DEVICE_NULLDEV 1 /* we need the null device */
146 #define CONFIG_SYS_CONSOLE_IS_IN_ENV 1 /* must set console from env */
148 #define CONFIG_SYS_LONGHELP /* undef to save memory */
149 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
150 #if defined(CONFIG_CMD_KGDB)
151 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
153 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
155 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
156 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
157 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
159 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
160 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
162 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
164 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
169 /* No command line, one static partition
170 * use all the space starting at offset 3MB*/
171 #undef CONFIG_CMD_MTDPARTS
172 #define CONFIG_JFFS2_DEV "nor0"
173 #define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF
174 #define CONFIG_JFFS2_PART_OFFSET 0x00300000
176 /* mtdparts command line support */
178 #define CONFIG_CMD_MTDPARTS
179 #define MTDIDS_DEFAULT "nor0=r360-0"
180 #define MTDPARTS_DEFAULT "mtdparts=r360-0:-@3m(user)"
184 * Low Level Configuration Settings
185 * (address mappings, register initial values, etc.)
186 * You should know what you are doing if you make changes here.
188 /*-----------------------------------------------------------------------
189 * Internal Memory Mapped Register
191 #define CONFIG_SYS_IMMR 0xFF000000
193 /*-----------------------------------------------------------------------
194 * Definitions for initial stack pointer and data area (in DPRAM)
196 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
197 #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
198 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
199 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
201 /*-----------------------------------------------------------------------
202 * Start addresses for the final memory configuration
203 * (Set up by the startup code)
204 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
206 #define CONFIG_SYS_SDRAM_BASE 0x00000000
207 #define CONFIG_SYS_FLASH_BASE 0x40000000
209 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
211 #define CONFIG_SYS_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
213 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
214 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
217 * For booting Linux, the board info and command line data
218 * have to be in the first 8 MB of memory, since this is
219 * the maximum mapped by the Linux kernel during initialization.
221 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
223 /*-----------------------------------------------------------------------
226 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
227 #define CONFIG_SYS_MAX_FLASH_SECT 128 /* max number of sectors on one chip */
229 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
230 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
232 #define CONFIG_ENV_IS_IN_FLASH 1
233 #define CONFIG_ENV_OFFSET 0x40000 /* Offset of Environment */
234 #define CONFIG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment sector */
235 #define CONFIG_ENV_SIZE 0x4000 /* Used Size of Environment sector */
236 #define CONFIG_SYS_USE_PPCENV /* Environment embedded in sect .ppcenv */
238 /*-----------------------------------------------------------------------
239 * Cache Configuration
241 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
242 #if defined(CONFIG_CMD_KGDB)
243 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
246 /*-----------------------------------------------------------------------
247 * SYPCR - System Protection Control 11-9
248 * SYPCR can only be written once after reset!
249 *-----------------------------------------------------------------------
250 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
252 #if defined(CONFIG_WATCHDOG)
253 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
254 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
256 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
259 /*-----------------------------------------------------------------------
260 * SIUMCR - SIU Module Configuration 11-6
261 *-----------------------------------------------------------------------
262 * PCMCIA config., multi-function pin tri-state
264 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
266 /*-----------------------------------------------------------------------
267 * TBSCR - Time Base Status and Control 11-26
268 *-----------------------------------------------------------------------
269 * Clear Reference Interrupt Status, Timebase freezing enabled
271 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)
273 /*-----------------------------------------------------------------------
274 * RTCSC - Real-Time Clock Status and Control Register 11-27
275 *-----------------------------------------------------------------------
277 #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
279 /*-----------------------------------------------------------------------
280 * PISCR - Periodic Interrupt Status and Control 11-31
281 *-----------------------------------------------------------------------
282 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
284 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
286 /*-----------------------------------------------------------------------
287 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
288 *-----------------------------------------------------------------------
289 * Reset PLL lock status sticky bit, timer expired status bit and timer
290 * interrupt status bit
292 * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
294 #ifdef CONFIG_80MHz /* for 80 MHz, we use a 16 MHz clock * 5 */
295 #define CONFIG_SYS_PLPRCR \
296 ( (5-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_TMIST )
297 #else /* up to 50 MHz we use a 1:1 clock */
298 #define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
299 #endif /* CONFIG_80MHz */
301 /*-----------------------------------------------------------------------
302 * SCCR - System Clock and reset Control Register 15-27
303 *-----------------------------------------------------------------------
304 * Set clock output, timebase and RTC source and divider,
305 * power management and some other internal clocks
307 #define SCCR_MASK SCCR_EBDF11
308 #define CONFIG_SYS_SCCR (SCCR_TBS | \
309 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 *-----------------------------------------------------------------------
333 #define CONFIG_IDE_PREINIT 1 /* Use preinit IDE hook */
334 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
336 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
337 #undef CONFIG_IDE_LED /* LED for ide not supported */
338 #undef CONFIG_IDE_RESET /* reset for ide not supported */
340 #define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
341 #define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
343 #define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
345 #define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
347 /* Offset for data I/O */
348 #define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
350 /* Offset for normal register accesses */
351 #define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
353 /* Offset for alternate registers */
354 #define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
357 /*-----------------------------------------------------------------------
359 *-----------------------------------------------------------------------
362 #define CONFIG_SYS_DER 0
365 * Init Memory Controller:
367 * BR0/1 and OR0/1 (FLASH)
370 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
372 /* used to re-map FLASH both when starting from SRAM or FLASH:
373 * restrict access enough to keep SRAM working (if any)
374 * but not too much to meddle with FLASH accesses
376 #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
377 #define CONFIG_SYS_PRELIM_OR_AM 0xFF000000 /* OR addr mask */
382 #define CONFIG_SYS_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_SCY_7_CLK | 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_PS_16 | BR_V )
390 * BR2 and OR2 (SDRAM)
393 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
394 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
396 #define CONFIG_SYS_PRELIM_OR2_AM 0xF8000000 /* OR addr mask */
398 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
399 #define CONFIG_SYS_OR_TIMING_SDRAM (OR_ACS_DIV1 | OR_CSNT_SAM | \
400 OR_SCY_0_CLK | OR_G5LS)
402 #define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR2_AM | CONFIG_SYS_OR_TIMING_SDRAM )
403 #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
406 * BR3 and OR3 (CAN Controller)
408 #ifdef CONFIG_CAN_DRIVER
409 #define CONFIG_SYS_CAN_BASE 0xC0000000 /* CAN base address */
410 #define CONFIG_SYS_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
411 #define CONFIG_SYS_OR3_CAN (CONFIG_SYS_CAN_OR_AM | OR_G5LA |OR_BI)
412 #define CONFIG_SYS_BR3_CAN ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
413 BR_PS_8 | BR_MS_UPMB | BR_V)
414 #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
443 #if defined(CONFIG_80MHz)
444 #define CONFIG_SYS_MAMR_PTA 156
445 #elif defined(CONFIG_66MHz)
446 #define CONFIG_SYS_MAMR_PTA 129
448 #define CONFIG_SYS_MAMR_PTA 98
449 #endif /*CONFIG_??MHz */
452 * For 16 MBit, refresh rates could be 31.3 us
453 * (= 64 ms / 2K = 125 / quad bursts).
454 * For a simpler initialization, 15.6 us is used instead.
456 * #define CONFIG_SYS_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
457 * #define CONFIG_SYS_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
459 #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
460 #define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
462 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
463 #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
464 #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
467 * MAMR settings for SDRAM
471 #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
472 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
473 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
475 #define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
476 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
477 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
479 #endif /* __CONFIG_H */