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 #if defined(CONFIG_CMD_KGDB)
103 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
105 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
107 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
108 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
109 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
111 #define CONFIG_SYS_MEMTEST_START 0x00100000 /* memtest works on */
112 #define CONFIG_SYS_MEMTEST_END 0x00F00000 /* 1 ... 15MB in DRAM */
114 #define CONFIG_SYS_LOAD_ADDR 0x00100000 /* default load address */
116 #define CONFIG_SYS_PIO_MODE 0 /* IDE interface in PIO Mode 0 */
119 * Low Level Configuration Settings
120 * (address mappings, register initial values, etc.)
121 * You should know what you are doing if you make changes here.
123 /*-----------------------------------------------------------------------
124 * Internal Memory Mapped Register
126 #define CONFIG_SYS_IMMR 0xF1000000 /* Non-standard value!! */
128 /*-----------------------------------------------------------------------
129 * Definitions for initial stack pointer and data area (in DPRAM)
131 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
132 #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
133 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
134 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
136 /*-----------------------------------------------------------------------
137 * Start addresses for the final memory configuration
138 * (Set up by the startup code)
139 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
141 #define CONFIG_SYS_SDRAM_BASE 0x00000000
142 #define CONFIG_SYS_FLASH_BASE 0x10000000
144 #define CONFIG_SYS_MONITOR_LEN (512 << 10) /* Reserve 512 kB for Monitor */
146 #if 0 /* need more space for I2C tests */
147 #define CONFIG_SYS_MONITOR_LEN (128 << 10) /* Reserve 128 kB for Monitor */
149 #define CONFIG_SYS_MONITOR_LEN (256 << 10)
152 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
153 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
156 * For booting Linux, the board info and command line data
157 * have to be in the first 8 MB of memory, since this is
158 * the maximum mapped by the Linux kernel during initialization.
160 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
161 /*-----------------------------------------------------------------------
164 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
165 #define CONFIG_SYS_MAX_FLASH_SECT 124 /* max number of sectors on one chip */
167 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
168 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
170 #undef CONFIG_ENV_IS_IN_FLASH
171 #undef CONFIG_ENV_IS_IN_NVRAM
172 #undef CONFIG_ENV_IS_IN_NVRAM
174 #define CONFIG_ENV_IS_IN_EEPROM
176 #ifdef CONFIG_ENV_IS_IN_NVRAM
177 #define CONFIG_ENV_ADDR 0x20000000 /* use SRAM */
178 #define CONFIG_ENV_SIZE (16<<10) /* use 16 kB */
179 #endif /* CONFIG_ENV_IS_IN_NVRAM */
181 #ifdef CONFIG_ENV_IS_IN_EEPROM
182 #define CONFIG_ENV_OFFSET 512 /* Leave 512 bytes free for other data */
183 #define CONFIG_ENV_SIZE 1536 /* Use remaining space */
184 #endif /* CONFIG_ENV_IS_IN_EEPROM */
186 /*-----------------------------------------------------------------------
187 * Cache Configuration
189 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
190 #if defined(CONFIG_CMD_KGDB)
191 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
193 #define CONFIG_SYS_DELAYED_ICACHE 1 /* enable ICache not before
197 /*-----------------------------------------------------------------------
198 * SYPCR - System Protection Control 11-9
199 * SYPCR can only be written once after reset!
200 *-----------------------------------------------------------------------
201 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
204 #if defined(CONFIG_WATCHDOG)
205 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
206 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
208 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
211 /*-----------------------------------------------------------------------
212 * SIUMCR - SIU Module Configuration 11-6
213 *-----------------------------------------------------------------------
214 * +0x0000 => 0x80600800
216 #define CONFIG_SYS_SIUMCR (SIUMCR_EARB | SIUMCR_EARP0 | \
217 SIUMCR_DBGC11 | SIUMCR_MLRC10)
219 /*-----------------------------------------------------------------------
220 * Clock Setting - get clock frequency from Board Revision Register
221 *-----------------------------------------------------------------------
224 extern unsigned long ip860_get_clk_freq (void);
226 #define CONFIG_8xx_GCLK_FREQ ip860_get_clk_freq()
228 /*-----------------------------------------------------------------------
229 * TBSCR - Time Base Status and Control 11-26
230 *-----------------------------------------------------------------------
231 * Clear Reference Interrupt Status, Timebase freezing enabled
234 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
236 /*-----------------------------------------------------------------------
237 * PISCR - Periodic Interrupt Status and Control 11-31
238 *-----------------------------------------------------------------------
239 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
242 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
244 /*-----------------------------------------------------------------------
245 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
246 *-----------------------------------------------------------------------
247 * Reset PLL lock status sticky bit, timer expired status bit and timer
248 * interrupt status bit, set PLL multiplication factor !
250 /* +0x0286 => was: 0x0000D000 */
251 #define CONFIG_SYS_PLPRCR \
252 ( PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST | \
253 /*PLPRCR_CSRC|*/ PLPRCR_LPM_NORMAL | \
254 PLPRCR_CSR | PLPRCR_LOLRE /*|PLPRCR_FIOPD*/ \
257 /*-----------------------------------------------------------------------
258 * SCCR - System Clock and reset Control Register 15-27
259 *-----------------------------------------------------------------------
260 * Set clock output, timebase and RTC source and divider,
261 * power management and some other internal clocks
263 #define SCCR_MASK SCCR_EBDF11
264 #define CONFIG_SYS_SCCR (SCCR_COM00 | SCCR_TBS | \
265 SCCR_RTDIV | SCCR_RTSEL | \
266 /*SCCR_CRQEN|*/ /*SCCR_PRQEN|*/ \
267 SCCR_EBDF00 | SCCR_DFSYNC00 | \
268 SCCR_DFBRG00 | SCCR_DFNL000 | \
271 /*-----------------------------------------------------------------------
272 * RTCSC - Real-Time Clock Status and Control Register 11-27
273 *-----------------------------------------------------------------------
275 /* +0x0220 => 0x00C3 */
276 #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
279 /*-----------------------------------------------------------------------
280 * RCCR - RISC Controller Configuration Register 19-4
281 *-----------------------------------------------------------------------
283 /* +0x09C4 => TIMEP=1 */
284 #define CONFIG_SYS_RCCR 0x0100
286 /*-----------------------------------------------------------------------
287 * RMDS - RISC Microcode Development Support Control Register
288 *-----------------------------------------------------------------------
290 #define CONFIG_SYS_RMDS 0
292 /*-----------------------------------------------------------------------
293 * DER - Debug Event Register
294 *-----------------------------------------------------------------------
297 #define CONFIG_SYS_DER 0
300 * Init Memory Controller:
304 * MAMR settings for SDRAM - 16-14
308 /* periodic timer for refresh */
309 #define CONFIG_SYS_MAMR_PTA 0xC3
311 #define CONFIG_SYS_MAMR ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
312 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
313 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
315 * BR1 and OR1 (FLASH)
317 #define FLASH_BASE 0x10000000 /* FLASH bank #0 */
319 /* used to re-map FLASH
320 * restrict access enough to keep SRAM working (if any)
321 * but not too much to meddle with FLASH accesses
323 /* allow for max 8 MB of Flash */
324 #define CONFIG_SYS_REMAP_OR_AM 0xFF800000 /* OR addr mask */
325 #define CONFIG_SYS_PRELIM_OR_AM 0xFF800000 /* OR addr mask */
327 #define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | OR_SCY_6_CLK)
329 #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
330 #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
331 /* 16 bit, bank valid */
332 #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE & BR_BA_MSK) | BR_PS_32 | BR_V )
334 #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
335 #define CONFIG_SYS_BR1_PRELIM CONFIG_SYS_BR0_PRELIM
340 #define SDRAM_BASE 0x00000000 /* SDRAM bank */
341 #define SDRAM_PRELIM_OR_AM 0xF8000000 /* map max. 128 MB */
342 #define SDRAM_TIMING 0x00000A00 /* SDRAM-Timing */
344 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB SDRAM */
346 #define CONFIG_SYS_OR2 (SDRAM_PRELIM_OR_AM | SDRAM_TIMING )
347 #define CONFIG_SYS_BR2 ((SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V )
350 * BR3/OR3 - SRAM (16 bit)
352 #define SRAM_BASE 0x20000000
353 #define CONFIG_SYS_OR3 0xFFF00130 /* BI/SCY = 5/TRLX (internal) */
354 #define CONFIG_SYS_BR3 ((SRAM_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
355 #define SRAM_SIZE (1 + (~(CONFIG_SYS_OR3 & BR_BA_MSK)))
356 #define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR3 /* Make sure to map early */
357 #define CONFIG_SYS_BR3_PRELIM CONFIG_SYS_BR3 /* in case it's used for ENV */
358 #define CONFIG_SYS_SRAM_BASE SRAM_BASE
359 #define CONFIG_SYS_SRAM_SIZE SRAM_SIZE
362 * BR4/OR4 - Board Control & Status (8 bit)
364 #define BCSR_BASE 0xFC000000
365 #define CONFIG_SYS_OR4 0xFFFF0120 /* BI (internal) */
366 #define CONFIG_SYS_BR4 ((BCSR_BASE & BR_BA_MSK) | BR_PS_8 | BR_V)
369 * BR5/OR5 - IP Slot A/B (16 bit)
371 #define IP_SLOT_BASE 0x40000000
372 #define CONFIG_SYS_OR5 0xFE00010C /* SETA/TRLX/BI/ SCY=0 (external) */
373 #define CONFIG_SYS_BR5 ((IP_SLOT_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
376 * BR6/OR6 - VME STD (16 bit)
378 #define VME_STD_BASE 0xFE000000
379 #define CONFIG_SYS_OR6 0xFF00010C /* SETA/TRLX/BI/SCY=0 (external) */
380 #define CONFIG_SYS_BR6 ((VME_STD_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
383 * BR7/OR7 - SHORT I/O + RTC + IACK (16 bit)
385 #define VME_SHORT_BASE 0xFF000000
386 #define CONFIG_SYS_OR7 0xFF00010C /* SETA/TRLX/BI/ SCY=0 (external) */
387 #define CONFIG_SYS_BR7 ((VME_SHORT_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
389 /*-----------------------------------------------------------------------
390 * Board Control and Status Region:
391 *-----------------------------------------------------------------------
394 typedef struct ip860_bcsr_s {
395 unsigned char shmem_addr; /* +00 shared memory address register */
396 unsigned char reserved0;
397 unsigned char mbox_addr; /* +02 mailbox address register */
398 unsigned char reserved1;
399 unsigned char vme_int_mask; /* +04 VME Bus interrupt mask register */
400 unsigned char reserved2;
401 unsigned char vme_int_pend; /* +06 VME interrupt pending register */
402 unsigned char reserved3;
403 unsigned char bd_int_mask; /* +08 board interrupt mask register */
404 unsigned char reserved4;
405 unsigned char bd_int_pend; /* +0A board interrupt pending register */
406 unsigned char reserved5;
407 unsigned char bd_ctrl; /* +0C board control register */
408 unsigned char reserved6;
409 unsigned char bd_status; /* +0E board status register */
410 unsigned char reserved7;
411 unsigned char vme_irq; /* +10 VME interrupt request register */
412 unsigned char reserved8;
413 unsigned char vme_ivec; /* +12 VME interrupt vector register */
414 unsigned char reserved9;
415 unsigned char cli_mbox; /* +14 clear mailbox irq */
416 unsigned char reservedA;
417 unsigned char rtc; /* +16 RTC control register */
418 unsigned char reservedB;
419 unsigned char mbox_data; /* +18 mailbox read/write register */
420 unsigned char reservedC;
421 unsigned char wd_trigger; /* +1A Watchdog trigger register */
422 unsigned char reservedD;
423 unsigned char rmw_req; /* +1C RMW request register */
424 unsigned char reservedE;
425 unsigned char bd_rev; /* +1E Board Revision register */
427 #endif /* __ASSEMBLY__ */
429 /*-----------------------------------------------------------------------
430 * Board Control Register: bd_ctrl (Offset 0x0C)
431 *-----------------------------------------------------------------------
433 #define BD_CTRL_IPLSE 0x80 /* IP Slot Long Select Enable */
434 #define BD_CTRL_WDOGE 0x40 /* Watchdog Enable */
435 #define BD_CTRL_FLWE 0x20 /* Flash Write Enable */
436 #define BD_CTRL_RWDN 0x10 /* VMEBus Requester Release When Done Enable */
438 #endif /* __CONFIG_H */