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 */
39 #define CONFIG_RESET_PHY_R 1 /* Call reset_phy() */
41 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
42 #define CONFIG_BAUDRATE 9600
43 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
45 #define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo" \
46 "\0load=tftp \"/tftpboot/u-boot.bin\"\0update=protect off 1:0;era 1:0;cp.b 100000 10000000 ${filesize}\0"
48 #undef CONFIG_BOOTARGS
49 #define CONFIG_BOOTCOMMAND \
51 "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
52 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
55 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
56 #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
58 #undef CONFIG_WATCHDOG /* watchdog disabled */
61 /* enable I2C and select the hardware/software driver */
62 #undef CONFIG_HARD_I2C /* I2C with hardware support */
63 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
65 * Software (bit-bang) I2C driver configuration
67 #define PB_SCL 0x00000020 /* PB 26 */
68 #define PB_SDA 0x00000010 /* PB 27 */
70 #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
71 #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
72 #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
73 #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
74 #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
75 else immr->im_cpm.cp_pbdat &= ~PB_SDA
76 #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
77 else immr->im_cpm.cp_pbdat &= ~PB_SCL
78 #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
81 # define CONFIG_SYS_I2C_SPEED 50000
82 # define CONFIG_SYS_I2C_SLAVE 0xFE
83 # define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* EEPROM X24C16 */
84 # define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 /* bytes of address */
85 /* mask of address bits that overflow into the "EEPROM chip address" */
86 #define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW 0x07
87 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4
88 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 /* takes up to 10 msec */
90 #define CONFIG_TIMESTAMP /* Print image info with timestamp */
94 * Command line configuration.
96 #include <config_cmd_default.h>
98 #define CONFIG_CMD_BEDBUG
99 #define CONFIG_CMD_I2C
100 #define CONFIG_CMD_EEPROM
101 #define CONFIG_CMD_NFS
102 #define CONFIG_CMD_SNTP
107 #define CONFIG_BOOTP_SUBNETMASK
108 #define CONFIG_BOOTP_GATEWAY
109 #define CONFIG_BOOTP_HOSTNAME
110 #define CONFIG_BOOTP_BOOTPATH
113 * Miscellaneous configurable options
115 #define CONFIG_SYS_LONGHELP /* undef to save memory */
116 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
117 #if defined(CONFIG_CMD_KGDB)
118 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
120 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
122 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
123 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
124 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
126 #define CONFIG_SYS_MEMTEST_START 0x00100000 /* memtest works on */
127 #define CONFIG_SYS_MEMTEST_END 0x00F00000 /* 1 ... 15MB in DRAM */
129 #define CONFIG_SYS_LOAD_ADDR 0x00100000 /* default load address */
131 #define CONFIG_SYS_PIO_MODE 0 /* IDE interface in PIO Mode 0 */
133 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
135 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
138 * Low Level Configuration Settings
139 * (address mappings, register initial values, etc.)
140 * You should know what you are doing if you make changes here.
142 /*-----------------------------------------------------------------------
143 * Internal Memory Mapped Register
145 #define CONFIG_SYS_IMMR 0xF1000000 /* Non-standard value!! */
147 /*-----------------------------------------------------------------------
148 * Definitions for initial stack pointer and data area (in DPRAM)
150 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
151 #define CONFIG_SYS_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
152 #define CONFIG_SYS_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
153 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
154 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
156 /*-----------------------------------------------------------------------
157 * Start addresses for the final memory configuration
158 * (Set up by the startup code)
159 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
161 #define CONFIG_SYS_SDRAM_BASE 0x00000000
162 #define CONFIG_SYS_FLASH_BASE 0x10000000
164 #define CONFIG_SYS_MONITOR_LEN (512 << 10) /* Reserve 512 kB for Monitor */
166 #if 0 /* need more space for I2C tests */
167 #define CONFIG_SYS_MONITOR_LEN (128 << 10) /* Reserve 128 kB for Monitor */
169 #define CONFIG_SYS_MONITOR_LEN (256 << 10)
172 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
173 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
176 * For booting Linux, the board info and command line data
177 * have to be in the first 8 MB of memory, since this is
178 * the maximum mapped by the Linux kernel during initialization.
180 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
181 /*-----------------------------------------------------------------------
184 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
185 #define CONFIG_SYS_MAX_FLASH_SECT 124 /* max number of sectors on one chip */
187 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
188 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
190 #undef CONFIG_ENV_IS_IN_FLASH
191 #undef CONFIG_ENV_IS_IN_NVRAM
192 #undef CONFIG_ENV_IS_IN_NVRAM
194 #define CONFIG_ENV_IS_IN_EEPROM
196 #ifdef CONFIG_ENV_IS_IN_NVRAM
197 #define CONFIG_ENV_ADDR 0x20000000 /* use SRAM */
198 #define CONFIG_ENV_SIZE (16<<10) /* use 16 kB */
199 #endif /* CONFIG_ENV_IS_IN_NVRAM */
201 #ifdef CONFIG_ENV_IS_IN_EEPROM
202 #define CONFIG_ENV_OFFSET 512 /* Leave 512 bytes free for other data */
203 #define CONFIG_ENV_SIZE 1536 /* Use remaining space */
204 #endif /* CONFIG_ENV_IS_IN_EEPROM */
206 /*-----------------------------------------------------------------------
207 * Cache Configuration
209 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
210 #if defined(CONFIG_CMD_KGDB)
211 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
213 #define CONFIG_SYS_DELAYED_ICACHE 1 /* enable ICache not before
217 /*-----------------------------------------------------------------------
218 * SYPCR - System Protection Control 11-9
219 * SYPCR can only be written once after reset!
220 *-----------------------------------------------------------------------
221 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
224 #if defined(CONFIG_WATCHDOG)
225 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
226 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
228 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
231 /*-----------------------------------------------------------------------
232 * SIUMCR - SIU Module Configuration 11-6
233 *-----------------------------------------------------------------------
234 * +0x0000 => 0x80600800
236 #define CONFIG_SYS_SIUMCR (SIUMCR_EARB | SIUMCR_EARP0 | \
237 SIUMCR_DBGC11 | SIUMCR_MLRC10)
239 /*-----------------------------------------------------------------------
240 * Clock Setting - get clock frequency from Board Revision Register
241 *-----------------------------------------------------------------------
244 extern unsigned long ip860_get_clk_freq (void);
246 #define CONFIG_8xx_GCLK_FREQ ip860_get_clk_freq()
248 /*-----------------------------------------------------------------------
249 * TBSCR - Time Base Status and Control 11-26
250 *-----------------------------------------------------------------------
251 * Clear Reference Interrupt Status, Timebase freezing enabled
254 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
256 /*-----------------------------------------------------------------------
257 * PISCR - Periodic Interrupt Status and Control 11-31
258 *-----------------------------------------------------------------------
259 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
262 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
264 /*-----------------------------------------------------------------------
265 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
266 *-----------------------------------------------------------------------
267 * Reset PLL lock status sticky bit, timer expired status bit and timer
268 * interrupt status bit, set PLL multiplication factor !
270 /* +0x0286 => was: 0x0000D000 */
271 #define CONFIG_SYS_PLPRCR \
272 ( PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST | \
273 /*PLPRCR_CSRC|*/ PLPRCR_LPM_NORMAL | \
274 PLPRCR_CSR | PLPRCR_LOLRE /*|PLPRCR_FIOPD*/ \
277 /*-----------------------------------------------------------------------
278 * SCCR - System Clock and reset Control Register 15-27
279 *-----------------------------------------------------------------------
280 * Set clock output, timebase and RTC source and divider,
281 * power management and some other internal clocks
283 #define SCCR_MASK SCCR_EBDF11
284 #define CONFIG_SYS_SCCR (SCCR_COM00 | SCCR_TBS | \
285 SCCR_RTDIV | SCCR_RTSEL | \
286 /*SCCR_CRQEN|*/ /*SCCR_PRQEN|*/ \
287 SCCR_EBDF00 | SCCR_DFSYNC00 | \
288 SCCR_DFBRG00 | SCCR_DFNL000 | \
291 /*-----------------------------------------------------------------------
292 * RTCSC - Real-Time Clock Status and Control Register 11-27
293 *-----------------------------------------------------------------------
295 /* +0x0220 => 0x00C3 */
296 #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
299 /*-----------------------------------------------------------------------
300 * RCCR - RISC Controller Configuration Register 19-4
301 *-----------------------------------------------------------------------
303 /* +0x09C4 => TIMEP=1 */
304 #define CONFIG_SYS_RCCR 0x0100
306 /*-----------------------------------------------------------------------
307 * RMDS - RISC Microcode Development Support Control Register
308 *-----------------------------------------------------------------------
310 #define CONFIG_SYS_RMDS 0
312 /*-----------------------------------------------------------------------
313 * DER - Debug Event Register
314 *-----------------------------------------------------------------------
317 #define CONFIG_SYS_DER 0
320 * Init Memory Controller:
324 * MAMR settings for SDRAM - 16-14
328 /* periodic timer for refresh */
329 #define CONFIG_SYS_MAMR_PTA 0xC3
331 #define CONFIG_SYS_MAMR ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
332 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
333 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
335 * BR1 and OR1 (FLASH)
337 #define FLASH_BASE 0x10000000 /* FLASH bank #0 */
339 /* used to re-map FLASH
340 * restrict access enough to keep SRAM working (if any)
341 * but not too much to meddle with FLASH accesses
343 /* allow for max 8 MB of Flash */
344 #define CONFIG_SYS_REMAP_OR_AM 0xFF800000 /* OR addr mask */
345 #define CONFIG_SYS_PRELIM_OR_AM 0xFF800000 /* OR addr mask */
347 #define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | OR_SCY_6_CLK)
349 #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
350 #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
351 /* 16 bit, bank valid */
352 #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE & BR_BA_MSK) | BR_PS_32 | BR_V )
354 #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
355 #define CONFIG_SYS_BR1_PRELIM CONFIG_SYS_BR0_PRELIM
360 #define SDRAM_BASE 0x00000000 /* SDRAM bank */
361 #define SDRAM_PRELIM_OR_AM 0xF8000000 /* map max. 128 MB */
362 #define SDRAM_TIMING 0x00000A00 /* SDRAM-Timing */
364 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB SDRAM */
366 #define CONFIG_SYS_OR2 (SDRAM_PRELIM_OR_AM | SDRAM_TIMING )
367 #define CONFIG_SYS_BR2 ((SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V )
370 * BR3/OR3 - SRAM (16 bit)
372 #define SRAM_BASE 0x20000000
373 #define CONFIG_SYS_OR3 0xFFF00130 /* BI/SCY = 5/TRLX (internal) */
374 #define CONFIG_SYS_BR3 ((SRAM_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
375 #define SRAM_SIZE (1 + (~(CONFIG_SYS_OR3 & BR_BA_MSK)))
376 #define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR3 /* Make sure to map early */
377 #define CONFIG_SYS_BR3_PRELIM CONFIG_SYS_BR3 /* in case it's used for ENV */
380 * BR4/OR4 - Board Control & Status (8 bit)
382 #define BCSR_BASE 0xFC000000
383 #define CONFIG_SYS_OR4 0xFFFF0120 /* BI (internal) */
384 #define CONFIG_SYS_BR4 ((BCSR_BASE & BR_BA_MSK) | BR_PS_8 | BR_V)
387 * BR5/OR5 - IP Slot A/B (16 bit)
389 #define IP_SLOT_BASE 0x40000000
390 #define CONFIG_SYS_OR5 0xFE00010C /* SETA/TRLX/BI/ SCY=0 (external) */
391 #define CONFIG_SYS_BR5 ((IP_SLOT_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
394 * BR6/OR6 - VME STD (16 bit)
396 #define VME_STD_BASE 0xFE000000
397 #define CONFIG_SYS_OR6 0xFF00010C /* SETA/TRLX/BI/SCY=0 (external) */
398 #define CONFIG_SYS_BR6 ((VME_STD_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
401 * BR7/OR7 - SHORT I/O + RTC + IACK (16 bit)
403 #define VME_SHORT_BASE 0xFF000000
404 #define CONFIG_SYS_OR7 0xFF00010C /* SETA/TRLX/BI/ SCY=0 (external) */
405 #define CONFIG_SYS_BR7 ((VME_SHORT_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
407 /*-----------------------------------------------------------------------
408 * Board Control and Status Region:
409 *-----------------------------------------------------------------------
412 typedef struct ip860_bcsr_s {
413 unsigned char shmem_addr; /* +00 shared memory address register */
414 unsigned char reserved0;
415 unsigned char mbox_addr; /* +02 mailbox address register */
416 unsigned char reserved1;
417 unsigned char vme_int_mask; /* +04 VME Bus interrupt mask register */
418 unsigned char reserved2;
419 unsigned char vme_int_pend; /* +06 VME interrupt pending register */
420 unsigned char reserved3;
421 unsigned char bd_int_mask; /* +08 board interrupt mask register */
422 unsigned char reserved4;
423 unsigned char bd_int_pend; /* +0A board interrupt pending register */
424 unsigned char reserved5;
425 unsigned char bd_ctrl; /* +0C board control register */
426 unsigned char reserved6;
427 unsigned char bd_status; /* +0E board status register */
428 unsigned char reserved7;
429 unsigned char vme_irq; /* +10 VME interrupt request register */
430 unsigned char reserved8;
431 unsigned char vme_ivec; /* +12 VME interrupt vector register */
432 unsigned char reserved9;
433 unsigned char cli_mbox; /* +14 clear mailbox irq */
434 unsigned char reservedA;
435 unsigned char rtc; /* +16 RTC control register */
436 unsigned char reservedB;
437 unsigned char mbox_data; /* +18 mailbox read/write register */
438 unsigned char reservedC;
439 unsigned char wd_trigger; /* +1A Watchdog trigger register */
440 unsigned char reservedD;
441 unsigned char rmw_req; /* +1C RMW request register */
442 unsigned char reservedE;
443 unsigned char bd_rev; /* +1E Board Revision register */
445 #endif /* __ASSEMBLY__ */
447 /*-----------------------------------------------------------------------
448 * Board Control Register: bd_ctrl (Offset 0x0C)
449 *-----------------------------------------------------------------------
451 #define BD_CTRL_IPLSE 0x80 /* IP Slot Long Select Enable */
452 #define BD_CTRL_WDOGE 0x40 /* Watchdog Enable */
453 #define BD_CTRL_FLWE 0x20 /* Flash Write Enable */
454 #define BD_CTRL_RWDN 0x10 /* VMEBus Requester Release When Done Enable */
456 /*-----------------------------------------------------------------------
458 *-----------------------------------------------------------------------
463 * Internal Definitions
467 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
468 #define BOOTFLAG_WARM 0x02 /* Software reboot */
470 #endif /* __CONFIG_H */