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_SYS_I2C_SOFT /* To I2C with software support */
101 #define CONFIG_SYS_I2C_SPEED 4700 /* I2C speed and slave address */
102 #define CONFIG_SYS_I2C_SLAVE 0x7F
104 #if defined(CONFIG_SYS_I2C_SOFT)
105 #define CONFIG_SYS_SYS_I2C_SOFT_SPEED 4700 /* I2C speed and slave address */
106 #define CONFIG_SYS_SYS_I2C_SOFT_SLAVE 0x7F
108 * Software (bit-bang) I2C driver configuration
110 #define PB_SCL 0x00000020 /* PB 26 */
111 #define PB_SDA 0x00000010 /* PB 27 */
113 #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
114 #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
115 #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
116 #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
117 #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
118 else immr->im_cpm.cp_pbdat &= ~PB_SDA
119 #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
120 else immr->im_cpm.cp_pbdat &= ~PB_SCL
121 #define I2C_DELAY udelay(50)
122 #endif /* #define(CONFIG_SYS_I2C_SOFT) */
124 #define CONFIG_SYS_I2C_LCD_ADDR 0x8 /* LCD Control */
125 #define CONFIG_SYS_I2C_KEY_ADDR 0x9 /* Keyboard coprocessor */
126 #define CONFIG_SYS_I2C_TEM_ADDR 0x49 /* Temperature Sensors */
130 * Command line configuration.
132 #include <config_cmd_default.h>
134 #define CONFIG_CMD_BMP
135 #define CONFIG_CMD_BSP
136 #define CONFIG_CMD_DATE
137 #define CONFIG_CMD_DHCP
138 #define CONFIG_CMD_I2C
139 #define CONFIG_CMD_IDE
140 #define CONFIG_CMD_JFFS2
141 #define CONFIG_CMD_NFS
142 #define CONFIG_CMD_PCMCIA
143 #define CONFIG_CMD_SNTP
147 * Miscellaneous configurable options
149 #define CONFIG_SYS_DEVICE_NULLDEV 1 /* we need the null device */
150 #define CONFIG_SYS_CONSOLE_IS_IN_ENV 1 /* must set console from env */
152 #define CONFIG_SYS_LONGHELP /* undef to save memory */
153 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
154 #if defined(CONFIG_CMD_KGDB)
155 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
157 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
159 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
160 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
161 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
163 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
164 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
166 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
168 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
173 /* No command line, one static partition
174 * use all the space starting at offset 3MB*/
175 #undef CONFIG_CMD_MTDPARTS
176 #define CONFIG_JFFS2_DEV "nor0"
177 #define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF
178 #define CONFIG_JFFS2_PART_OFFSET 0x00300000
180 /* mtdparts command line support */
182 #define CONFIG_CMD_MTDPARTS
183 #define MTDIDS_DEFAULT "nor0=r360-0"
184 #define MTDPARTS_DEFAULT "mtdparts=r360-0:-@3m(user)"
188 * Low Level Configuration Settings
189 * (address mappings, register initial values, etc.)
190 * You should know what you are doing if you make changes here.
192 /*-----------------------------------------------------------------------
193 * Internal Memory Mapped Register
195 #define CONFIG_SYS_IMMR 0xFF000000
197 /*-----------------------------------------------------------------------
198 * Definitions for initial stack pointer and data area (in DPRAM)
200 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
201 #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
202 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
203 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
205 /*-----------------------------------------------------------------------
206 * Start addresses for the final memory configuration
207 * (Set up by the startup code)
208 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
210 #define CONFIG_SYS_SDRAM_BASE 0x00000000
211 #define CONFIG_SYS_FLASH_BASE 0x40000000
213 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
215 #define CONFIG_SYS_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
217 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
218 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
221 * For booting Linux, the board info and command line data
222 * have to be in the first 8 MB of memory, since this is
223 * the maximum mapped by the Linux kernel during initialization.
225 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
227 /*-----------------------------------------------------------------------
230 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
231 #define CONFIG_SYS_MAX_FLASH_SECT 128 /* max number of sectors on one chip */
233 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
234 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
236 #define CONFIG_ENV_IS_IN_FLASH 1
237 #define CONFIG_ENV_OFFSET 0x40000 /* Offset of Environment */
238 #define CONFIG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment sector */
239 #define CONFIG_ENV_SIZE 0x4000 /* Used Size of Environment sector */
240 #define CONFIG_SYS_USE_PPCENV /* Environment embedded in sect .ppcenv */
242 /*-----------------------------------------------------------------------
243 * Cache Configuration
245 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
246 #if defined(CONFIG_CMD_KGDB)
247 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
250 /*-----------------------------------------------------------------------
251 * SYPCR - System Protection Control 11-9
252 * SYPCR can only be written once after reset!
253 *-----------------------------------------------------------------------
254 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
256 #if defined(CONFIG_WATCHDOG)
257 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
258 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
260 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
263 /*-----------------------------------------------------------------------
264 * SIUMCR - SIU Module Configuration 11-6
265 *-----------------------------------------------------------------------
266 * PCMCIA config., multi-function pin tri-state
268 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
270 /*-----------------------------------------------------------------------
271 * TBSCR - Time Base Status and Control 11-26
272 *-----------------------------------------------------------------------
273 * Clear Reference Interrupt Status, Timebase freezing enabled
275 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)
277 /*-----------------------------------------------------------------------
278 * RTCSC - Real-Time Clock Status and Control Register 11-27
279 *-----------------------------------------------------------------------
281 #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
283 /*-----------------------------------------------------------------------
284 * PISCR - Periodic Interrupt Status and Control 11-31
285 *-----------------------------------------------------------------------
286 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
288 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
290 /*-----------------------------------------------------------------------
291 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
292 *-----------------------------------------------------------------------
293 * Reset PLL lock status sticky bit, timer expired status bit and timer
294 * interrupt status bit
296 * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
298 #ifdef CONFIG_80MHz /* for 80 MHz, we use a 16 MHz clock * 5 */
299 #define CONFIG_SYS_PLPRCR \
300 ( (5-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_TMIST )
301 #else /* up to 50 MHz we use a 1:1 clock */
302 #define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
303 #endif /* CONFIG_80MHz */
305 /*-----------------------------------------------------------------------
306 * SCCR - System Clock and reset Control Register 15-27
307 *-----------------------------------------------------------------------
308 * Set clock output, timebase and RTC source and divider,
309 * power management and some other internal clocks
311 #define SCCR_MASK SCCR_EBDF11
312 #define CONFIG_SYS_SCCR (SCCR_TBS | \
313 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
314 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
317 /*-----------------------------------------------------------------------
319 *-----------------------------------------------------------------------
322 #define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
323 #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
324 #define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
325 #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
326 #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
327 #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
328 #define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
329 #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
331 /*-----------------------------------------------------------------------
332 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
333 *-----------------------------------------------------------------------
337 #define CONFIG_IDE_PREINIT 1 /* Use preinit IDE hook */
338 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
340 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
341 #undef CONFIG_IDE_LED /* LED for ide not supported */
342 #undef CONFIG_IDE_RESET /* reset for ide not supported */
344 #define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
345 #define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
347 #define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
349 #define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
351 /* Offset for data I/O */
352 #define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
354 /* Offset for normal register accesses */
355 #define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
357 /* Offset for alternate registers */
358 #define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
361 /*-----------------------------------------------------------------------
363 *-----------------------------------------------------------------------
366 #define CONFIG_SYS_DER 0
369 * Init Memory Controller:
371 * BR0/1 and OR0/1 (FLASH)
374 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
376 /* used to re-map FLASH both when starting from SRAM or FLASH:
377 * restrict access enough to keep SRAM working (if any)
378 * but not too much to meddle with FLASH accesses
380 #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
381 #define CONFIG_SYS_PRELIM_OR_AM 0xFF000000 /* OR addr mask */
386 #define CONFIG_SYS_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_SCY_7_CLK | OR_BI)
388 #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
389 #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
390 #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V )
394 * BR2 and OR2 (SDRAM)
397 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
398 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
400 #define CONFIG_SYS_PRELIM_OR2_AM 0xF8000000 /* OR addr mask */
402 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
403 #define CONFIG_SYS_OR_TIMING_SDRAM (OR_ACS_DIV1 | OR_CSNT_SAM | \
404 OR_SCY_0_CLK | OR_G5LS)
406 #define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR2_AM | CONFIG_SYS_OR_TIMING_SDRAM )
407 #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
410 * BR3 and OR3 (CAN Controller)
412 #ifdef CONFIG_CAN_DRIVER
413 #define CONFIG_SYS_CAN_BASE 0xC0000000 /* CAN base address */
414 #define CONFIG_SYS_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
415 #define CONFIG_SYS_OR3_CAN (CONFIG_SYS_CAN_OR_AM | OR_G5LA |OR_BI)
416 #define CONFIG_SYS_BR3_CAN ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
417 BR_PS_8 | BR_MS_UPMB | BR_V)
418 #endif /* CONFIG_CAN_DRIVER */
422 * Memory Periodic Timer Prescaler
424 * The Divider for PTA (refresh timer) configuration is based on an
425 * example SDRAM configuration (64 MBit, one bank). The adjustment to
426 * the number of chip selects (NCS) and the actually needed refresh
427 * rate is done by setting MPTPR.
429 * PTA is calculated from
430 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
432 * gclk CPU clock (not bus clock!)
433 * Trefresh Refresh cycle * 4 (four word bursts used)
435 * 4096 Rows from SDRAM example configuration
436 * 1000 factor s -> ms
437 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
438 * 4 Number of refresh cycles per period
439 * 64 Refresh cycle in ms per number of rows
440 * --------------------------------------------
441 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
443 * 50 MHz => 50.000.000 / Divider = 98
444 * 66 Mhz => 66.000.000 / Divider = 129
445 * 80 Mhz => 80.000.000 / Divider = 156
447 #if defined(CONFIG_80MHz)
448 #define CONFIG_SYS_MAMR_PTA 156
449 #elif defined(CONFIG_66MHz)
450 #define CONFIG_SYS_MAMR_PTA 129
452 #define CONFIG_SYS_MAMR_PTA 98
453 #endif /*CONFIG_??MHz */
456 * For 16 MBit, refresh rates could be 31.3 us
457 * (= 64 ms / 2K = 125 / quad bursts).
458 * For a simpler initialization, 15.6 us is used instead.
460 * #define CONFIG_SYS_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
461 * #define CONFIG_SYS_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
463 #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
464 #define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
466 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
467 #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
468 #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
471 * MAMR settings for SDRAM
475 #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
476 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
477 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
479 #define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
480 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
481 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
483 #endif /* __CONFIG_H */