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
40 #undef CONFIG_EDT32F10
41 #define CONFIG_SHARP_LQ057Q3DC02
43 #define CONFIG_SPLASH_SCREEN
45 #define MPC8XX_FACT 1 /* Multiply by 1 */
46 #define MPC8XX_XIN 50000000 /* 50 MHz in */
47 #define CONFIG_8xx_GCLK_FREQ 50000000 /* define if can't use get_gclk_freq */
49 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
50 #undef CONFIG_8xx_CONS_SMC2
51 #undef CONFIG_8xx_CONS_NONE
52 #define CONFIG_BAUDRATE 115200 /* console baudrate in bps */
54 #define CONFIG_BOOTDELAY 0 /* immediate boot */
56 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
59 #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
64 #define CONFIG_BOOTCOMMAND \
66 "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
67 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
70 #undef CONFIG_SCC1_ENET
71 #define CONFIG_SCC2_ENET
73 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
74 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
76 #define CONFIG_MISC_INIT_R /* have misc_init_r() function */
78 #undef CONFIG_WATCHDOG /* watchdog disabled */
80 #define CONFIG_CAN_DRIVER /* CAN Driver support enabled */
82 #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
84 #define CONFIG_MAC_PARTITION
85 #define CONFIG_DOS_PARTITION
87 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
89 #define CONFIG_HARD_I2C 1 /* To I2C with hardware support */
90 #undef CONFIG_SORT_I2C /* To I2C with software support */
91 #define CFG_I2C_SPEED 4700 /* I2C speed and slave address */
92 #define CFG_I2C_SLAVE 0x7F
95 * Software (bit-bang) I2C driver configuration
97 #define PB_SCL 0x00000020 /* PB 26 */
98 #define PB_SDA 0x00000010 /* PB 27 */
100 #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
101 #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
102 #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
103 #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
104 #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
105 else immr->im_cpm.cp_pbdat &= ~PB_SDA
106 #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
107 else immr->im_cpm.cp_pbdat &= ~PB_SCL
108 #define I2C_DELAY udelay(50)
110 #define CFG_I2C_LCD_ADDR 0x8 /* LCD Control */
111 #define CFG_I2C_KEY_ADDR 0x9 /* Keyboard coprocessor */
112 #define CFG_I2C_TEM_ADDR 0x49 /* Temperature Sensors */
114 #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
126 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
127 #include <cmd_confdefs.h>
130 * Miscellaneous configurable options
132 #define CFG_DEVICE_NULLDEV 1 /* we need the null device */
133 #define CFG_CONSOLE_IS_IN_ENV 1 /* must set console from env */
135 #define CFG_LONGHELP /* undef to save memory */
136 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
137 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
138 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
140 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
142 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
143 #define CFG_MAXARGS 16 /* max number of command args */
144 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
146 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
147 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
149 #define CFG_LOAD_ADDR 0x100000 /* default load address */
151 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
153 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
158 /* No command line, one static partition
159 * use all the space starting at offset 3MB*/
160 #undef CONFIG_JFFS2_CMDLINE
161 #define CONFIG_JFFS2_DEV "nor0"
162 #define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF
163 #define CONFIG_JFFS2_PART_OFFSET 0x00300000
165 /* mtdparts command line support */
167 #define CONFIG_JFFS2_CMDLINE
168 #define MTDIDS_DEFAULT "nor0=r360-0"
169 #define MTDPARTS_DEFAULT "mtdparts=r360-0:-@3m(user)"
173 * Low Level Configuration Settings
174 * (address mappings, register initial values, etc.)
175 * You should know what you are doing if you make changes here.
177 /*-----------------------------------------------------------------------
178 * Internal Memory Mapped Register
180 #define CFG_IMMR 0xFF000000
182 /*-----------------------------------------------------------------------
183 * Definitions for initial stack pointer and data area (in DPRAM)
185 #define CFG_INIT_RAM_ADDR CFG_IMMR
186 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
187 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
188 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
189 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
191 /*-----------------------------------------------------------------------
192 * Start addresses for the final memory configuration
193 * (Set up by the startup code)
194 * Please note that CFG_SDRAM_BASE _must_ start at 0
196 #define CFG_SDRAM_BASE 0x00000000
197 #define CFG_FLASH_BASE 0x40000000
199 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
201 #define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
203 #define CFG_MONITOR_BASE CFG_FLASH_BASE
204 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
207 * For booting Linux, the board info and command line data
208 * have to be in the first 8 MB of memory, since this is
209 * the maximum mapped by the Linux kernel during initialization.
211 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
213 /*-----------------------------------------------------------------------
216 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
217 #define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */
219 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
220 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
222 #define CFG_ENV_IS_IN_FLASH 1
223 #define CFG_ENV_OFFSET 0x40000 /* Offset of Environment */
224 #define CFG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment sector */
225 #define CFG_ENV_SIZE 0x4000 /* Used Size of Environment sector */
227 /*-----------------------------------------------------------------------
228 * Cache Configuration
230 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
231 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
232 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
235 /*-----------------------------------------------------------------------
236 * SYPCR - System Protection Control 11-9
237 * SYPCR can only be written once after reset!
238 *-----------------------------------------------------------------------
239 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
241 #if defined(CONFIG_WATCHDOG)
242 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
243 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
245 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
248 /*-----------------------------------------------------------------------
249 * SIUMCR - SIU Module Configuration 11-6
250 *-----------------------------------------------------------------------
251 * PCMCIA config., multi-function pin tri-state
253 #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
255 /*-----------------------------------------------------------------------
256 * TBSCR - Time Base Status and Control 11-26
257 *-----------------------------------------------------------------------
258 * Clear Reference Interrupt Status, Timebase freezing enabled
260 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)
262 /*-----------------------------------------------------------------------
263 * RTCSC - Real-Time Clock Status and Control Register 11-27
264 *-----------------------------------------------------------------------
266 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
268 /*-----------------------------------------------------------------------
269 * PISCR - Periodic Interrupt Status and Control 11-31
270 *-----------------------------------------------------------------------
271 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
273 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
275 /*-----------------------------------------------------------------------
276 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
277 *-----------------------------------------------------------------------
278 * Reset PLL lock status sticky bit, timer expired status bit and timer
279 * interrupt status bit
281 * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
283 #ifdef CONFIG_80MHz /* for 80 MHz, we use a 16 MHz clock * 5 */
285 ( (5-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_TMIST )
286 #else /* up to 50 MHz we use a 1:1 clock */
287 #define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
288 #endif /* CONFIG_80MHz */
290 /*-----------------------------------------------------------------------
291 * SCCR - System Clock and reset Control Register 15-27
292 *-----------------------------------------------------------------------
293 * Set clock output, timebase and RTC source and divider,
294 * power management and some other internal clocks
296 #define SCCR_MASK SCCR_EBDF11
297 #define CFG_SCCR (SCCR_TBS | \
298 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
299 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
302 /*-----------------------------------------------------------------------
304 *-----------------------------------------------------------------------
307 #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
308 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
309 #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
310 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
311 #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
312 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
313 #define CFG_PCMCIA_IO_ADDR (0xEC000000)
314 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
316 /*-----------------------------------------------------------------------
317 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
318 *-----------------------------------------------------------------------
322 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
324 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
325 #undef CONFIG_IDE_LED /* LED for ide not supported */
326 #undef CONFIG_IDE_RESET /* reset for ide not supported */
328 #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
329 #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
331 #define CFG_ATA_IDE0_OFFSET 0x0000
333 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
335 /* Offset for data I/O */
336 #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
338 /* Offset for normal register accesses */
339 #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
341 /* Offset for alternate registers */
342 #define CFG_ATA_ALT_OFFSET 0x0100
345 /*-----------------------------------------------------------------------
347 *-----------------------------------------------------------------------
353 * Init Memory Controller:
355 * BR0/1 and OR0/1 (FLASH)
358 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
360 /* used to re-map FLASH both when starting from SRAM or FLASH:
361 * restrict access enough to keep SRAM working (if any)
362 * but not too much to meddle with FLASH accesses
364 #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
365 #define CFG_PRELIM_OR_AM 0xFF000000 /* OR addr mask */
370 #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_SCY_7_CLK | OR_BI)
372 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
373 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
374 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V )
378 * BR2 and OR2 (SDRAM)
381 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
382 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
384 #define CFG_PRELIM_OR2_AM 0xF8000000 /* OR addr mask */
386 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
387 #define CFG_OR_TIMING_SDRAM (OR_ACS_DIV1 | OR_CSNT_SAM | \
388 OR_SCY_0_CLK | OR_G5LS)
390 #define CFG_OR2_PRELIM (CFG_PRELIM_OR2_AM | CFG_OR_TIMING_SDRAM )
391 #define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
394 * BR3 and OR3 (CAN Controller)
396 #ifdef CONFIG_CAN_DRIVER
397 #define CFG_CAN_BASE 0xC0000000 /* CAN base address */
398 #define CFG_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
399 #define CFG_OR3_CAN (CFG_CAN_OR_AM | OR_G5LA |OR_BI)
400 #define CFG_BR3_CAN ((CFG_CAN_BASE & BR_BA_MSK) | \
401 BR_PS_8 | BR_MS_UPMB | BR_V)
402 #endif /* CONFIG_CAN_DRIVER */
406 * Memory Periodic Timer Prescaler
408 * The Divider for PTA (refresh timer) configuration is based on an
409 * example SDRAM configuration (64 MBit, one bank). The adjustment to
410 * the number of chip selects (NCS) and the actually needed refresh
411 * rate is done by setting MPTPR.
413 * PTA is calculated from
414 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
416 * gclk CPU clock (not bus clock!)
417 * Trefresh Refresh cycle * 4 (four word bursts used)
419 * 4096 Rows from SDRAM example configuration
420 * 1000 factor s -> ms
421 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
422 * 4 Number of refresh cycles per period
423 * 64 Refresh cycle in ms per number of rows
424 * --------------------------------------------
425 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
427 * 50 MHz => 50.000.000 / Divider = 98
428 * 66 Mhz => 66.000.000 / Divider = 129
429 * 80 Mhz => 80.000.000 / Divider = 156
431 #if defined(CONFIG_80MHz)
432 #define CFG_MAMR_PTA 156
433 #elif defined(CONFIG_66MHz)
434 #define CFG_MAMR_PTA 129
436 #define CFG_MAMR_PTA 98
437 #endif /*CONFIG_??MHz */
440 * For 16 MBit, refresh rates could be 31.3 us
441 * (= 64 ms / 2K = 125 / quad bursts).
442 * For a simpler initialization, 15.6 us is used instead.
444 * #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
445 * #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
447 #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
448 #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
450 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
451 #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
452 #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
455 * MAMR settings for SDRAM
459 #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
460 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
461 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
463 #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
464 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
465 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
469 * Internal Definitions
473 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
474 #define BOOTFLAG_WARM 0x02 /* Software reboot */
476 #endif /* __CONFIG_H */