2 * (C) Copyright 2006, 2007 Detlev Zundel, dzu@denx.de
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6 * See file CREDITS for list of people who contributed to this
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26 * board/config.h - configuration options, board specific
33 * High Level Configuration Options
36 #define CONFIG_MPC852T 1
37 #define CONFIG_NC650 1
39 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
40 #undef CONFIG_8xx_CONS_SMC2
41 #undef CONFIG_8xx_CONS_NONE
42 #define CONFIG_BAUDRATE 115200
43 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
46 * 10 MHz - PLL input clock
48 #define CONFIG_8xx_OSCLK 10000000
51 * 50 MHz - default CPU clock
53 #define CONFIG_8xx_CPUCLK_DEFAULT 50000000
56 * 15 MHz - CPU minimum clock
58 #define CFG_8xx_CPUCLK_MIN 15000000
61 * 133 MHz - CPU maximum clock
63 #define CFG_8xx_CPUCLK_MAX 133000000
65 #define CFG_MEASURE_CPUCLK
66 #define CFG_8XX_XIN CONFIG_8xx_OSCLK
68 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
69 #define CONFIG_AUTOBOOT_KEYED
70 #define CONFIG_AUTOBOOT_PROMPT \
71 "\nEnter password - autoboot in %d seconds...\n", bootdelay
72 #define CONFIG_AUTOBOOT_DELAY_STR "ids"
73 #define CONFIG_BOOT_RETRY_TIME 900
74 #define CONFIG_BOOT_RETRY_MIN 30
76 #define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo"
78 #undef CONFIG_BOOTARGS
79 #define CONFIG_BOOTCOMMAND \
81 "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
82 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off;" \
85 #define CONFIG_WATCHDOG /* watchdog enabled */
87 #undef CONFIG_STATUS_LED /* Status LED disabled */
92 #define CONFIG_BOOTP_SUBNETMASK
93 #define CONFIG_BOOTP_GATEWAY
94 #define CONFIG_BOOTP_HOSTNAME
95 #define CONFIG_BOOTP_BOOTPATH
96 #define CONFIG_BOOTP_BOOTFILESIZE
99 #define CONFIG_FEC_ENET 1 /* use FEC ethernet */
102 #define CFG_DISCOVER_PHY 1
105 /* enable I2C and select the hardware/software driver */
106 #undef CONFIG_HARD_I2C /* I2C with hardware support */
107 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
108 #define CFG_I2C_SPEED 100000 /* 100 kHz */
109 #define CFG_I2C_SLAVE 0x7f
112 * Software (bit-bang) I2C driver configuration
114 #if defined(CONFIG_IDS852_REV1)
116 #define SCL 0x1000 /* PA 3 */
117 #define SDA 0x2000 /* PA 2 */
119 #define __I2C_DIR immr->im_ioport.iop_padir
120 #define __I2C_DAT immr->im_ioport.iop_padat
121 #define __I2C_PAR immr->im_ioport.iop_papar
123 #elif defined(CONFIG_IDS852_REV2)
125 #define SCL 0x0002 /* PB 30 */
126 #define SDA 0x0001 /* PB 31 */
128 #define __I2C_PAR immr->im_cpm.cp_pbpar
129 #define __I2C_DIR immr->im_cpm.cp_pbdir
130 #define __I2C_DAT immr->im_cpm.cp_pbdat
134 #define I2C_INIT { __I2C_PAR &= ~(SDA|SCL); \
135 __I2C_DIR |= (SDA|SCL); }
136 #define I2C_READ ((__I2C_DAT & SDA) ? 1 : 0)
137 #define I2C_SDA(x) { if (x) __I2C_DAT |= SDA; else __I2C_DAT &= ~SDA; }
138 #define I2C_SCL(x) { if (x) __I2C_DAT |= SCL; else __I2C_DAT &= ~SCL; }
139 #define I2C_DELAY { udelay(5); }
140 #define I2C_ACTIVE { __I2C_DIR |= SDA; }
141 #define I2C_TRISTATE { __I2C_DIR &= ~SDA; }
143 #define CONFIG_RTC_PCF8563
144 #define CFG_I2C_RTC_ADDR 0x51
148 * Command line configuration.
150 #include <config_cmd_default.h>
152 #define CONFIG_CMD_ASKENV
153 #define CONFIG_CMD_DATE
154 #define CONFIG_CMD_DHCP
155 #define CONFIG_CMD_I2C
156 #define CONFIG_CMD_NAND
157 #define CONFIG_CMD_JFFS2
158 #define CONFIG_CMD_NFS
159 #define CONFIG_CMD_SNTP
163 * Miscellaneous configurable options
165 #define CFG_LONGHELP /* undef to save memory */
166 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
167 #if defined(CONFIG_CMD_KGDB)
168 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
170 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
172 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
173 #define CFG_MAXARGS 16 /* max number of command args */
174 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
176 #define CFG_MEMTEST_START 0x0100000 /* memtest works on */
177 #define CFG_MEMTEST_END 0x0400000 /* 1 ... 4 MB in DRAM */
179 #define CFG_LOAD_ADDR 0x00100000
181 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
183 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
186 * Low Level Configuration Settings
187 * (address mappings, register initial values, etc.)
188 * You should know what you are doing if you make changes here.
190 /*-----------------------------------------------------------------------
191 * Internal Memory Mapped Register
193 #define CFG_IMMR 0xF0000000
194 #define CFG_IMMR_SIZE ((uint)(64 * 1024))
196 /*-----------------------------------------------------------------------
197 * Definitions for initial stack pointer and data area (in DPRAM)
199 #define CFG_INIT_RAM_ADDR CFG_IMMR
200 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
201 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
202 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
203 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
205 /*-----------------------------------------------------------------------
206 * Start addresses for the final memory configuration
207 * (Set up by the startup code)
208 * Please note that CFG_SDRAM_BASE _must_ start at 0
210 #define CFG_SDRAM_BASE 0x00000000
211 #define CFG_FLASH_BASE 0x40000000
213 #define CFG_RESET_ADDRESS 0xFFF00100
215 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
216 #define CFG_MONITOR_BASE TEXT_BASE
217 #define CFG_MALLOC_LEN (256 << 10) /* Reserve 256 kB for malloc() */
220 * For booting Linux, the board info and command line data
221 * have to be in the first 8 MB of memory, since this is
222 * the maximum mapped by the Linux kernel during initialization.
224 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
225 /*-----------------------------------------------------------------------
228 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
229 #define CFG_MAX_FLASH_SECT 64 /* max number of sectors on one chip */
231 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
232 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
235 #define CONFIG_ENV_IS_IN_FLASH 1
236 #define CONFIG_ENV_OFFSET 0x00740000
238 #define CONFIG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment sector */
239 #define CONFIG_ENV_SIZE 0x4000 /* Used Size of Environment Sector */
241 /*-----------------------------------------------------------------------
242 * Cache Configuration
244 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
245 #if defined(CONFIG_CMD_KGDB)
246 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
252 #define CFG_MAX_NAND_DEVICE 1
253 #define NAND_MAX_CHIPS 1
255 /*-----------------------------------------------------------------------
256 * SYPCR - System Protection Control 11-9
257 * SYPCR can only be written once after reset!
258 *-----------------------------------------------------------------------
259 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
261 #if defined(CONFIG_WATCHDOG)
262 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
263 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
265 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
268 /*-----------------------------------------------------------------------
269 * SIUMCR - SIU Module Configuration 11-6
270 *-----------------------------------------------------------------------
272 #define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
274 /*-----------------------------------------------------------------------
275 * TBSCR - Time Base Status and Control 11-26
276 *-----------------------------------------------------------------------
277 * Clear Reference Interrupt Status, Timebase freezing enabled
279 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)
281 /*-----------------------------------------------------------------------
282 * PISCR - Periodic Interrupt Status and Control 11-31
283 *-----------------------------------------------------------------------
284 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
286 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
288 /*-----------------------------------------------------------------------
289 * SCCR - System Clock and reset Control Register 15-27
290 *-----------------------------------------------------------------------
291 * Set clock output, timebase and RTC source and divider,
292 * power management and some other internal clocks
294 #define SCCR_MASK SCCR_EBDF11
295 #define CFG_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | \
296 SCCR_DFBRG00 | SCCR_DFNL000 | SCCR_DFNH000 | \
297 SCCR_DFLCD000 | SCCR_DFALCD00)
299 /*-----------------------------------------------------------------------
301 *-----------------------------------------------------------------------
307 * Init Memory Controller:
309 * BR0 and OR0 (FLASH)
312 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
314 #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
315 #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
317 /* FLASH timing: Default value of OR0 after reset */
318 #define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_MSK | OR_BI | \
319 OR_SCY_15_CLK | OR_TRLX)
321 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
322 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
323 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_8 | BR_V)
326 * BR2 and OR2 (NAND Flash) - addressed through UPMB on rev 1
327 * rev2 only uses the chipselect
329 #define CFG_NAND_BASE 0x50000000
330 #define CFG_NAND_SIZE 0x04000000
332 #define CFG_OR_TIMING_NAND (OR_CSNT_SAM | OR_ACS_DIV1 | OR_BI | \
333 OR_SCY_15_CLK | OR_EHTR | OR_TRLX)
335 #define CFG_BR2_PRELIM ((CFG_NAND_BASE & BR_BA_MSK) | BR_PS_8 | BR_MS_UPMB | BR_V )
336 #define CFG_OR2_PRELIM (((-CFG_NAND_SIZE) & OR_AM_MSK) | OR_BI )
339 * BR3 and OR3 (SDRAM)
341 #define SDRAM_BASE3_PRELIM 0x00000000 /* SDRAM bank */
342 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
345 * SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care)
347 #define CFG_OR_TIMING_SDRAM 0x00000A00
349 #define CFG_OR3_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM)
350 #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V)
355 #define CFG_CPLD_BASE 0x80000000 /* CPLD */
356 #define CFG_CPLD_SIZE 0x10000 /* only 16 used */
358 #define CFG_OR_TIMING_CPLD (OR_CSNT_SAM | OR_ACS_DIV1 | OR_BI | \
361 #define CFG_BR4_PRELIM ((CFG_CPLD_BASE & BR_BA_MSK) | BR_PS_8 | BR_V )
362 #define CFG_OR4_PRELIM (((-CFG_CPLD_SIZE) & OR_AM_MSK) | CFG_OR_TIMING_CPLD)
367 #define CFG_SRAM_BASE 0x60000000
368 #define CFG_SRAM_SIZE 0x00080000
370 #define CFG_OR_TIMING_SRAM (OR_CSNT_SAM | OR_ACS_DIV1 | OR_BI | \
371 OR_SCY_15_CLK | OR_EHTR | OR_TRLX)
373 #define CFG_BR5_PRELIM ((CFG_SRAM_BASE & BR_BA_MSK) | BR_PS_8 | BR_V )
374 #define CFG_OR5_PRELIM (((-CFG_SRAM_SIZE) & OR_AM_MSK) | CFG_OR_TIMING_SRAM)
376 #if defined(CONFIG_CP850)
378 * BR6 and OR6 (DPRAM) - only on CP850
380 #define CFG_OR6_PRELIM 0xffff8170
381 #define CFG_BR6_PRELIM 0xa0000401
382 #define DPRAM_BASE_ADDR 0xa0000000
384 #define CONFIG_MISC_INIT_R 1
388 * 4096 Rows from SDRAM example configuration
389 * 1000 factor s -> ms
390 * 64 PTP (pre-divider from MPTPR) from SDRAM example configuration
391 * 4 Number of refresh cycles per period
392 * 64 Refresh cycle in ms per number of rows
394 #define CFG_PTA_PER_CLK ((4096 * 64 * 1000) / (4 * 64))
397 * Memory Periodic Timer Prescaler
400 /* periodic timer for refresh */
401 #define CFG_MAMR_PTA 39
403 /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
404 #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
405 #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
407 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
408 #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
409 #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
412 * MAMR settings for SDRAM
415 #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
416 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
417 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
418 #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
419 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
420 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
423 * MBMR settings for NAND flash
426 #define CFG_MBMR_NAND ( MBMR_WLFB_5X )
429 * Internal Definitions
433 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
434 #define BOOTFLAG_WARM 0x02 /* Software reboot */
436 #define CONFIG_JFFS2_NAND 1 /* jffs2 on nand support */
437 #define NAND_CACHE_PAGES 16 /* size of nand cache in 512 bytes pages */
443 /* No command line, one static partition */
444 #undef CONFIG_JFFS2_CMDLINE
445 #define CONFIG_JFFS2_DEV "nand0"
446 #define CONFIG_JFFS2_PART_SIZE 0x00400000
447 #define CONFIG_JFFS2_PART_OFFSET 0x00000000
449 /* mtdparts command line support */
450 #define CONFIG_JFFS2_CMDLINE
451 #define MTDIDS_DEFAULT "nor0=nc650-0,nand0=nc650-nand"
453 #define MTDPARTS_DEFAULT "mtdparts=nc650-0:1m(kernel1),1m(kernel2)," \
454 "4m(cramfs1),1m(cramfs2)," \
455 "256k(u-boot),128k(env);" \
456 "nc650-nand:4m(jffs1),28m(jffs2)"
458 #endif /* __CONFIG_H */