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_MPC860 1 /* This is a MPC860 CPU */
37 #define CONFIG_IP860 1 /* ...on a IP860 board */
38 #define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */
40 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
41 #define CONFIG_BAUDRATE 9600
42 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
44 #define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo" \
45 "\0load=tftp \"/tftpboot/u-boot.bin\"\0update=protect off 1:0;era 1:0;cp.b 100000 10000000 ${filesize}\0"
47 #undef CONFIG_BOOTARGS
48 #define CONFIG_BOOTCOMMAND \
50 "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
51 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
54 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
55 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
57 #undef CONFIG_WATCHDOG /* watchdog disabled */
60 /* enable I2C and select the hardware/software driver */
61 #undef CONFIG_HARD_I2C /* I2C with hardware support */
62 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
64 * Software (bit-bang) I2C driver configuration
66 #define PB_SCL 0x00000020 /* PB 26 */
67 #define PB_SDA 0x00000010 /* PB 27 */
69 #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
70 #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
71 #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
72 #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
73 #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
74 else immr->im_cpm.cp_pbdat &= ~PB_SDA
75 #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
76 else immr->im_cpm.cp_pbdat &= ~PB_SCL
77 #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
80 # define CFG_I2C_SPEED 50000
81 # define CFG_I2C_SLAVE 0xFE
82 # define CFG_I2C_EEPROM_ADDR 0x50 /* EEPROM X24C16 */
83 # define CFG_I2C_EEPROM_ADDR_LEN 1 /* bytes of address */
84 /* mask of address bits that overflow into the "EEPROM chip address" */
85 #define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x07
86 #define CFG_EEPROM_PAGE_WRITE_BITS 4
87 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* takes up to 10 msec */
89 #define CONFIG_TIMESTAMP /* Print image info with timestamp */
93 * Command line configuration.
95 #include <config_cmd_default.h>
97 #define CONFIG_CMD_BEDBUG
98 #define CONFIG_CMD_I2C
99 #define CONFIG_CMD_EEPROM
100 #define CONFIG_CMD_NFS
101 #define CONFIG_CMD_SNTP
106 #define CONFIG_BOOTP_SUBNETMASK
107 #define CONFIG_BOOTP_GATEWAY
108 #define CONFIG_BOOTP_HOSTNAME
109 #define CONFIG_BOOTP_BOOTPATH
112 * Miscellaneous configurable options
114 #define CFG_LONGHELP /* undef to save memory */
115 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
116 #if defined(CONFIG_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 0x00100000 /* memtest works on */
126 #define CFG_MEMTEST_END 0x00F00000 /* 1 ... 15MB in DRAM */
128 #define CFG_LOAD_ADDR 0x00100000 /* default load address */
130 #define CFG_PIO_MODE 0 /* IDE interface in PIO Mode 0 */
132 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
134 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
137 * Low Level Configuration Settings
138 * (address mappings, register initial values, etc.)
139 * You should know what you are doing if you make changes here.
141 /*-----------------------------------------------------------------------
142 * Internal Memory Mapped Register
144 #define CFG_IMMR 0xF1000000 /* Non-standard value!! */
146 /*-----------------------------------------------------------------------
147 * Definitions for initial stack pointer and data area (in DPRAM)
149 #define CFG_INIT_RAM_ADDR CFG_IMMR
150 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
151 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
152 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
153 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
155 /*-----------------------------------------------------------------------
156 * Start addresses for the final memory configuration
157 * (Set up by the startup code)
158 * Please note that CFG_SDRAM_BASE _must_ start at 0
160 #define CFG_SDRAM_BASE 0x00000000
161 #define CFG_FLASH_BASE 0x10000000
163 #define CFG_MONITOR_LEN (512 << 10) /* Reserve 512 kB for Monitor */
165 #if 0 /* need more space for I2C tests */
166 #define CFG_MONITOR_LEN (128 << 10) /* Reserve 128 kB for Monitor */
168 #define CFG_MONITOR_LEN (256 << 10)
171 #define CFG_MONITOR_BASE CFG_FLASH_BASE
172 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
175 * For booting Linux, the board info and command line data
176 * have to be in the first 8 MB of memory, since this is
177 * the maximum mapped by the Linux kernel during initialization.
179 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
180 /*-----------------------------------------------------------------------
183 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
184 #define CFG_MAX_FLASH_SECT 124 /* max number of sectors on one chip */
186 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
187 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
189 #undef CFG_ENV_IS_IN_FLASH
190 #undef CFG_ENV_IS_IN_NVRAM
191 #undef CFG_ENV_IS_IN_NVRAM
193 #define CFG_ENV_IS_IN_EEPROM
195 #ifdef CFG_ENV_IS_IN_NVRAM
196 #define CFG_ENV_ADDR 0x20000000 /* use SRAM */
197 #define CFG_ENV_SIZE (16<<10) /* use 16 kB */
198 #endif /* CFG_ENV_IS_IN_NVRAM */
200 #ifdef CFG_ENV_IS_IN_EEPROM
201 #define CFG_ENV_OFFSET 512 /* Leave 512 bytes free for other data */
202 #define CFG_ENV_SIZE 1536 /* Use remaining space */
203 #endif /* CFG_ENV_IS_IN_EEPROM */
205 /*-----------------------------------------------------------------------
206 * Cache Configuration
208 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
209 #if defined(CONFIG_CMD_KGDB)
210 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
213 /*-----------------------------------------------------------------------
214 * SYPCR - System Protection Control 11-9
215 * SYPCR can only be written once after reset!
216 *-----------------------------------------------------------------------
217 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
220 #if defined(CONFIG_WATCHDOG)
221 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
222 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
224 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
227 /*-----------------------------------------------------------------------
228 * SIUMCR - SIU Module Configuration 11-6
229 *-----------------------------------------------------------------------
230 * +0x0000 => 0x80600800
232 #define CFG_SIUMCR (SIUMCR_EARB | SIUMCR_EARP0 | \
233 SIUMCR_DBGC11 | SIUMCR_MLRC10)
235 /*-----------------------------------------------------------------------
236 * Clock Setting - get clock frequency from Board Revision Register
237 *-----------------------------------------------------------------------
240 extern unsigned long ip860_get_clk_freq (void);
242 #define CONFIG_8xx_GCLK_FREQ ip860_get_clk_freq()
244 /*-----------------------------------------------------------------------
245 * TBSCR - Time Base Status and Control 11-26
246 *-----------------------------------------------------------------------
247 * Clear Reference Interrupt Status, Timebase freezing enabled
250 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
252 /*-----------------------------------------------------------------------
253 * PISCR - Periodic Interrupt Status and Control 11-31
254 *-----------------------------------------------------------------------
255 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
258 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
260 /*-----------------------------------------------------------------------
261 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
262 *-----------------------------------------------------------------------
263 * Reset PLL lock status sticky bit, timer expired status bit and timer
264 * interrupt status bit, set PLL multiplication factor !
266 /* +0x0286 => was: 0x0000D000 */
268 ( PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST | \
269 /*PLPRCR_CSRC|*/ PLPRCR_LPM_NORMAL | \
270 PLPRCR_CSR | PLPRCR_LOLRE /*|PLPRCR_FIOPD*/ \
273 /*-----------------------------------------------------------------------
274 * SCCR - System Clock and reset Control Register 15-27
275 *-----------------------------------------------------------------------
276 * Set clock output, timebase and RTC source and divider,
277 * power management and some other internal clocks
279 #define SCCR_MASK SCCR_EBDF11
280 #define CFG_SCCR (SCCR_COM00 | SCCR_TBS | \
281 SCCR_RTDIV | SCCR_RTSEL | \
282 /*SCCR_CRQEN|*/ /*SCCR_PRQEN|*/ \
283 SCCR_EBDF00 | SCCR_DFSYNC00 | \
284 SCCR_DFBRG00 | SCCR_DFNL000 | \
287 /*-----------------------------------------------------------------------
288 * RTCSC - Real-Time Clock Status and Control Register 11-27
289 *-----------------------------------------------------------------------
291 /* +0x0220 => 0x00C3 */
292 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
295 /*-----------------------------------------------------------------------
296 * RCCR - RISC Controller Configuration Register 19-4
297 *-----------------------------------------------------------------------
299 /* +0x09C4 => TIMEP=1 */
300 #define CFG_RCCR 0x0100
302 /*-----------------------------------------------------------------------
303 * RMDS - RISC Microcode Development Support Control Register
304 *-----------------------------------------------------------------------
308 /*-----------------------------------------------------------------------
309 * DER - Debug Event Register
310 *-----------------------------------------------------------------------
316 * Init Memory Controller:
320 * MAMR settings for SDRAM - 16-14
324 /* periodic timer for refresh */
325 #define CFG_MAMR_PTA 0xC3
327 #define CFG_MAMR ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
328 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
329 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
331 * BR1 and OR1 (FLASH)
333 #define FLASH_BASE 0x10000000 /* FLASH bank #0 */
335 /* used to re-map FLASH
336 * restrict access enough to keep SRAM working (if any)
337 * but not too much to meddle with FLASH accesses
339 /* allow for max 8 MB of Flash */
340 #define CFG_REMAP_OR_AM 0xFF800000 /* OR addr mask */
341 #define CFG_PRELIM_OR_AM 0xFF800000 /* OR addr mask */
343 #define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | OR_SCY_6_CLK)
345 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
346 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
347 /* 16 bit, bank valid */
348 #define CFG_BR0_PRELIM ((FLASH_BASE & BR_BA_MSK) | BR_PS_32 | BR_V )
350 #define CFG_OR1_PRELIM CFG_OR0_PRELIM
351 #define CFG_BR1_PRELIM CFG_BR0_PRELIM
356 #define SDRAM_BASE 0x00000000 /* SDRAM bank */
357 #define SDRAM_PRELIM_OR_AM 0xF8000000 /* map max. 128 MB */
358 #define SDRAM_TIMING 0x00000A00 /* SDRAM-Timing */
360 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB SDRAM */
362 #define CFG_OR2 (SDRAM_PRELIM_OR_AM | SDRAM_TIMING )
363 #define CFG_BR2 ((SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V )
366 * BR3/OR3 - SRAM (16 bit)
368 #define SRAM_BASE 0x20000000
369 #define CFG_OR3 0xFFF00130 /* BI/SCY = 5/TRLX (internal) */
370 #define CFG_BR3 ((SRAM_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
371 #define SRAM_SIZE (1 + (~(CFG_OR3 & BR_BA_MSK)))
372 #define CFG_OR3_PRELIM CFG_OR3 /* Make sure to map early */
373 #define CFG_BR3_PRELIM CFG_BR3 /* in case it's used for ENV */
376 * BR4/OR4 - Board Control & Status (8 bit)
378 #define BCSR_BASE 0xFC000000
379 #define CFG_OR4 0xFFFF0120 /* BI (internal) */
380 #define CFG_BR4 ((BCSR_BASE & BR_BA_MSK) | BR_PS_8 | BR_V)
383 * BR5/OR5 - IP Slot A/B (16 bit)
385 #define IP_SLOT_BASE 0x40000000
386 #define CFG_OR5 0xFE00010C /* SETA/TRLX/BI/ SCY=0 (external) */
387 #define CFG_BR5 ((IP_SLOT_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
390 * BR6/OR6 - VME STD (16 bit)
392 #define VME_STD_BASE 0xFE000000
393 #define CFG_OR6 0xFF00010C /* SETA/TRLX/BI/SCY=0 (external) */
394 #define CFG_BR6 ((VME_STD_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
397 * BR7/OR7 - SHORT I/O + RTC + IACK (16 bit)
399 #define VME_SHORT_BASE 0xFF000000
400 #define CFG_OR7 0xFF00010C /* SETA/TRLX/BI/ SCY=0 (external) */
401 #define CFG_BR7 ((VME_SHORT_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
403 /*-----------------------------------------------------------------------
404 * Board Control and Status Region:
405 *-----------------------------------------------------------------------
408 typedef struct ip860_bcsr_s {
409 unsigned char shmem_addr; /* +00 shared memory address register */
410 unsigned char reserved0;
411 unsigned char mbox_addr; /* +02 mailbox address register */
412 unsigned char reserved1;
413 unsigned char vme_int_mask; /* +04 VME Bus interrupt mask register */
414 unsigned char reserved2;
415 unsigned char vme_int_pend; /* +06 VME interrupt pending register */
416 unsigned char reserved3;
417 unsigned char bd_int_mask; /* +08 board interrupt mask register */
418 unsigned char reserved4;
419 unsigned char bd_int_pend; /* +0A board interrupt pending register */
420 unsigned char reserved5;
421 unsigned char bd_ctrl; /* +0C board control register */
422 unsigned char reserved6;
423 unsigned char bd_status; /* +0E board status register */
424 unsigned char reserved7;
425 unsigned char vme_irq; /* +10 VME interrupt request register */
426 unsigned char reserved8;
427 unsigned char vme_ivec; /* +12 VME interrupt vector register */
428 unsigned char reserved9;
429 unsigned char cli_mbox; /* +14 clear mailbox irq */
430 unsigned char reservedA;
431 unsigned char rtc; /* +16 RTC control register */
432 unsigned char reservedB;
433 unsigned char mbox_data; /* +18 mailbox read/write register */
434 unsigned char reservedC;
435 unsigned char wd_trigger; /* +1A Watchdog trigger register */
436 unsigned char reservedD;
437 unsigned char rmw_req; /* +1C RMW request register */
438 unsigned char reservedE;
439 unsigned char bd_rev; /* +1E Board Revision register */
441 #endif /* __ASSEMBLY__ */
443 /*-----------------------------------------------------------------------
444 * Board Control Register: bd_ctrl (Offset 0x0C)
445 *-----------------------------------------------------------------------
447 #define BD_CTRL_IPLSE 0x80 /* IP Slot Long Select Enable */
448 #define BD_CTRL_WDOGE 0x40 /* Watchdog Enable */
449 #define BD_CTRL_FLWE 0x20 /* Flash Write Enable */
450 #define BD_CTRL_RWDN 0x10 /* VMEBus Requester Release When Done Enable */
452 /*-----------------------------------------------------------------------
454 *-----------------------------------------------------------------------
459 * Internal Definitions
463 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
464 #define BOOTFLAG_WARM 0x02 /* Software reboot */
466 #endif /* __CONFIG_H */