2 * (C) Copyright 2000-2005
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
9 * board/config.h - configuration options, board specific
16 * High Level Configuration Options
20 #define CONFIG_MPC860 1 /* This is a MPC860 CPU */
21 #define CONFIG_IP860 1 /* ...on a IP860 board */
23 #define CONFIG_SYS_TEXT_BASE 0x10000000
25 #define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */
26 #define CONFIG_RESET_PHY_R 1 /* Call reset_phy() */
28 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
29 #define CONFIG_BAUDRATE 9600
30 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
32 #define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo" \
33 "\0load=tftp \"/tftpboot/u-boot.bin\"\0update=protect off 1:0;era 1:0;cp.b 100000 10000000 ${filesize}\0"
35 #undef CONFIG_BOOTARGS
36 #define CONFIG_BOOTCOMMAND \
38 "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
39 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
42 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
43 #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
45 #undef CONFIG_WATCHDOG /* watchdog disabled */
48 /* enable I2C and select the hardware/software driver */
49 #define CONFIG_SYS_I2C
50 #define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */
51 #define CONFIG_SYS_I2C_SOFT_SPEED 50000
52 #define CONFIG_SYS_I2C_SOFT_SLAVE 0xFE
54 * Software (bit-bang) I2C driver configuration
56 #define PB_SCL 0x00000020 /* PB 26 */
57 #define PB_SDA 0x00000010 /* PB 27 */
59 #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
60 #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
61 #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
62 #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
63 #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
64 else immr->im_cpm.cp_pbdat &= ~PB_SDA
65 #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
66 else immr->im_cpm.cp_pbdat &= ~PB_SCL
67 #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
69 # define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* EEPROM X24C16 */
70 # define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 /* bytes of address */
71 /* mask of address bits that overflow into the "EEPROM chip address" */
72 #define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW 0x07
73 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4
74 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 /* takes up to 10 msec */
76 #define CONFIG_TIMESTAMP /* Print image info with timestamp */
80 * Command line configuration.
82 #include <config_cmd_default.h>
84 #define CONFIG_CMD_BEDBUG
85 #define CONFIG_CMD_I2C
86 #define CONFIG_CMD_EEPROM
87 #define CONFIG_CMD_NFS
88 #define CONFIG_CMD_SNTP
93 #define CONFIG_BOOTP_SUBNETMASK
94 #define CONFIG_BOOTP_GATEWAY
95 #define CONFIG_BOOTP_HOSTNAME
96 #define CONFIG_BOOTP_BOOTPATH
99 * Miscellaneous configurable options
101 #define CONFIG_SYS_LONGHELP /* undef to save memory */
102 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
103 #if defined(CONFIG_CMD_KGDB)
104 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
106 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
108 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
109 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
110 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
112 #define CONFIG_SYS_MEMTEST_START 0x00100000 /* memtest works on */
113 #define CONFIG_SYS_MEMTEST_END 0x00F00000 /* 1 ... 15MB in DRAM */
115 #define CONFIG_SYS_LOAD_ADDR 0x00100000 /* default load address */
117 #define CONFIG_SYS_PIO_MODE 0 /* IDE interface in PIO Mode 0 */
119 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
122 * Low Level Configuration Settings
123 * (address mappings, register initial values, etc.)
124 * You should know what you are doing if you make changes here.
126 /*-----------------------------------------------------------------------
127 * Internal Memory Mapped Register
129 #define CONFIG_SYS_IMMR 0xF1000000 /* Non-standard value!! */
131 /*-----------------------------------------------------------------------
132 * Definitions for initial stack pointer and data area (in DPRAM)
134 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
135 #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
136 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
137 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
139 /*-----------------------------------------------------------------------
140 * Start addresses for the final memory configuration
141 * (Set up by the startup code)
142 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
144 #define CONFIG_SYS_SDRAM_BASE 0x00000000
145 #define CONFIG_SYS_FLASH_BASE 0x10000000
147 #define CONFIG_SYS_MONITOR_LEN (512 << 10) /* Reserve 512 kB for Monitor */
149 #if 0 /* need more space for I2C tests */
150 #define CONFIG_SYS_MONITOR_LEN (128 << 10) /* Reserve 128 kB for Monitor */
152 #define CONFIG_SYS_MONITOR_LEN (256 << 10)
155 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
156 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
159 * For booting Linux, the board info and command line data
160 * have to be in the first 8 MB of memory, since this is
161 * the maximum mapped by the Linux kernel during initialization.
163 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
164 /*-----------------------------------------------------------------------
167 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
168 #define CONFIG_SYS_MAX_FLASH_SECT 124 /* max number of sectors on one chip */
170 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
171 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
173 #undef CONFIG_ENV_IS_IN_FLASH
174 #undef CONFIG_ENV_IS_IN_NVRAM
175 #undef CONFIG_ENV_IS_IN_NVRAM
177 #define CONFIG_ENV_IS_IN_EEPROM
179 #ifdef CONFIG_ENV_IS_IN_NVRAM
180 #define CONFIG_ENV_ADDR 0x20000000 /* use SRAM */
181 #define CONFIG_ENV_SIZE (16<<10) /* use 16 kB */
182 #endif /* CONFIG_ENV_IS_IN_NVRAM */
184 #ifdef CONFIG_ENV_IS_IN_EEPROM
185 #define CONFIG_ENV_OFFSET 512 /* Leave 512 bytes free for other data */
186 #define CONFIG_ENV_SIZE 1536 /* Use remaining space */
187 #endif /* CONFIG_ENV_IS_IN_EEPROM */
189 /*-----------------------------------------------------------------------
190 * Cache Configuration
192 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
193 #if defined(CONFIG_CMD_KGDB)
194 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
196 #define CONFIG_SYS_DELAYED_ICACHE 1 /* enable ICache not before
200 /*-----------------------------------------------------------------------
201 * SYPCR - System Protection Control 11-9
202 * SYPCR can only be written once after reset!
203 *-----------------------------------------------------------------------
204 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
207 #if defined(CONFIG_WATCHDOG)
208 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
209 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
211 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
214 /*-----------------------------------------------------------------------
215 * SIUMCR - SIU Module Configuration 11-6
216 *-----------------------------------------------------------------------
217 * +0x0000 => 0x80600800
219 #define CONFIG_SYS_SIUMCR (SIUMCR_EARB | SIUMCR_EARP0 | \
220 SIUMCR_DBGC11 | SIUMCR_MLRC10)
222 /*-----------------------------------------------------------------------
223 * Clock Setting - get clock frequency from Board Revision Register
224 *-----------------------------------------------------------------------
227 extern unsigned long ip860_get_clk_freq (void);
229 #define CONFIG_8xx_GCLK_FREQ ip860_get_clk_freq()
231 /*-----------------------------------------------------------------------
232 * TBSCR - Time Base Status and Control 11-26
233 *-----------------------------------------------------------------------
234 * Clear Reference Interrupt Status, Timebase freezing enabled
237 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
239 /*-----------------------------------------------------------------------
240 * PISCR - Periodic Interrupt Status and Control 11-31
241 *-----------------------------------------------------------------------
242 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
245 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
247 /*-----------------------------------------------------------------------
248 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
249 *-----------------------------------------------------------------------
250 * Reset PLL lock status sticky bit, timer expired status bit and timer
251 * interrupt status bit, set PLL multiplication factor !
253 /* +0x0286 => was: 0x0000D000 */
254 #define CONFIG_SYS_PLPRCR \
255 ( PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST | \
256 /*PLPRCR_CSRC|*/ PLPRCR_LPM_NORMAL | \
257 PLPRCR_CSR | PLPRCR_LOLRE /*|PLPRCR_FIOPD*/ \
260 /*-----------------------------------------------------------------------
261 * SCCR - System Clock and reset Control Register 15-27
262 *-----------------------------------------------------------------------
263 * Set clock output, timebase and RTC source and divider,
264 * power management and some other internal clocks
266 #define SCCR_MASK SCCR_EBDF11
267 #define CONFIG_SYS_SCCR (SCCR_COM00 | SCCR_TBS | \
268 SCCR_RTDIV | SCCR_RTSEL | \
269 /*SCCR_CRQEN|*/ /*SCCR_PRQEN|*/ \
270 SCCR_EBDF00 | SCCR_DFSYNC00 | \
271 SCCR_DFBRG00 | SCCR_DFNL000 | \
274 /*-----------------------------------------------------------------------
275 * RTCSC - Real-Time Clock Status and Control Register 11-27
276 *-----------------------------------------------------------------------
278 /* +0x0220 => 0x00C3 */
279 #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
282 /*-----------------------------------------------------------------------
283 * RCCR - RISC Controller Configuration Register 19-4
284 *-----------------------------------------------------------------------
286 /* +0x09C4 => TIMEP=1 */
287 #define CONFIG_SYS_RCCR 0x0100
289 /*-----------------------------------------------------------------------
290 * RMDS - RISC Microcode Development Support Control Register
291 *-----------------------------------------------------------------------
293 #define CONFIG_SYS_RMDS 0
295 /*-----------------------------------------------------------------------
296 * DER - Debug Event Register
297 *-----------------------------------------------------------------------
300 #define CONFIG_SYS_DER 0
303 * Init Memory Controller:
307 * MAMR settings for SDRAM - 16-14
311 /* periodic timer for refresh */
312 #define CONFIG_SYS_MAMR_PTA 0xC3
314 #define CONFIG_SYS_MAMR ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
315 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
316 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
318 * BR1 and OR1 (FLASH)
320 #define FLASH_BASE 0x10000000 /* FLASH bank #0 */
322 /* used to re-map FLASH
323 * restrict access enough to keep SRAM working (if any)
324 * but not too much to meddle with FLASH accesses
326 /* allow for max 8 MB of Flash */
327 #define CONFIG_SYS_REMAP_OR_AM 0xFF800000 /* OR addr mask */
328 #define CONFIG_SYS_PRELIM_OR_AM 0xFF800000 /* OR addr mask */
330 #define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | OR_SCY_6_CLK)
332 #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
333 #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
334 /* 16 bit, bank valid */
335 #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE & BR_BA_MSK) | BR_PS_32 | BR_V )
337 #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
338 #define CONFIG_SYS_BR1_PRELIM CONFIG_SYS_BR0_PRELIM
343 #define SDRAM_BASE 0x00000000 /* SDRAM bank */
344 #define SDRAM_PRELIM_OR_AM 0xF8000000 /* map max. 128 MB */
345 #define SDRAM_TIMING 0x00000A00 /* SDRAM-Timing */
347 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB SDRAM */
349 #define CONFIG_SYS_OR2 (SDRAM_PRELIM_OR_AM | SDRAM_TIMING )
350 #define CONFIG_SYS_BR2 ((SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V )
353 * BR3/OR3 - SRAM (16 bit)
355 #define SRAM_BASE 0x20000000
356 #define CONFIG_SYS_OR3 0xFFF00130 /* BI/SCY = 5/TRLX (internal) */
357 #define CONFIG_SYS_BR3 ((SRAM_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
358 #define SRAM_SIZE (1 + (~(CONFIG_SYS_OR3 & BR_BA_MSK)))
359 #define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR3 /* Make sure to map early */
360 #define CONFIG_SYS_BR3_PRELIM CONFIG_SYS_BR3 /* in case it's used for ENV */
361 #define CONFIG_SYS_SRAM_BASE SRAM_BASE
362 #define CONFIG_SYS_SRAM_SIZE SRAM_SIZE
365 * BR4/OR4 - Board Control & Status (8 bit)
367 #define BCSR_BASE 0xFC000000
368 #define CONFIG_SYS_OR4 0xFFFF0120 /* BI (internal) */
369 #define CONFIG_SYS_BR4 ((BCSR_BASE & BR_BA_MSK) | BR_PS_8 | BR_V)
372 * BR5/OR5 - IP Slot A/B (16 bit)
374 #define IP_SLOT_BASE 0x40000000
375 #define CONFIG_SYS_OR5 0xFE00010C /* SETA/TRLX/BI/ SCY=0 (external) */
376 #define CONFIG_SYS_BR5 ((IP_SLOT_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
379 * BR6/OR6 - VME STD (16 bit)
381 #define VME_STD_BASE 0xFE000000
382 #define CONFIG_SYS_OR6 0xFF00010C /* SETA/TRLX/BI/SCY=0 (external) */
383 #define CONFIG_SYS_BR6 ((VME_STD_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
386 * BR7/OR7 - SHORT I/O + RTC + IACK (16 bit)
388 #define VME_SHORT_BASE 0xFF000000
389 #define CONFIG_SYS_OR7 0xFF00010C /* SETA/TRLX/BI/ SCY=0 (external) */
390 #define CONFIG_SYS_BR7 ((VME_SHORT_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
392 /*-----------------------------------------------------------------------
393 * Board Control and Status Region:
394 *-----------------------------------------------------------------------
397 typedef struct ip860_bcsr_s {
398 unsigned char shmem_addr; /* +00 shared memory address register */
399 unsigned char reserved0;
400 unsigned char mbox_addr; /* +02 mailbox address register */
401 unsigned char reserved1;
402 unsigned char vme_int_mask; /* +04 VME Bus interrupt mask register */
403 unsigned char reserved2;
404 unsigned char vme_int_pend; /* +06 VME interrupt pending register */
405 unsigned char reserved3;
406 unsigned char bd_int_mask; /* +08 board interrupt mask register */
407 unsigned char reserved4;
408 unsigned char bd_int_pend; /* +0A board interrupt pending register */
409 unsigned char reserved5;
410 unsigned char bd_ctrl; /* +0C board control register */
411 unsigned char reserved6;
412 unsigned char bd_status; /* +0E board status register */
413 unsigned char reserved7;
414 unsigned char vme_irq; /* +10 VME interrupt request register */
415 unsigned char reserved8;
416 unsigned char vme_ivec; /* +12 VME interrupt vector register */
417 unsigned char reserved9;
418 unsigned char cli_mbox; /* +14 clear mailbox irq */
419 unsigned char reservedA;
420 unsigned char rtc; /* +16 RTC control register */
421 unsigned char reservedB;
422 unsigned char mbox_data; /* +18 mailbox read/write register */
423 unsigned char reservedC;
424 unsigned char wd_trigger; /* +1A Watchdog trigger register */
425 unsigned char reservedD;
426 unsigned char rmw_req; /* +1C RMW request register */
427 unsigned char reservedE;
428 unsigned char bd_rev; /* +1E Board Revision register */
430 #endif /* __ASSEMBLY__ */
432 /*-----------------------------------------------------------------------
433 * Board Control Register: bd_ctrl (Offset 0x0C)
434 *-----------------------------------------------------------------------
436 #define BD_CTRL_IPLSE 0x80 /* IP Slot Long Select Enable */
437 #define BD_CTRL_WDOGE 0x40 /* Watchdog Enable */
438 #define BD_CTRL_FLWE 0x20 /* Flash Write Enable */
439 #define BD_CTRL_RWDN 0x10 /* VMEBus Requester Release When Done Enable */
441 #endif /* __CONFIG_H */