3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 * Keith Outwater, keith_outwater@mvis.com
6 * SPDX-License-Identifier: GPL-2.0+
10 * board/config_GEN860T.h - board specific configuration options
13 #ifndef __CONFIG_GEN860T_H
17 * High Level Configuration Options
20 #define CONFIG_GEN860T
22 #define CONFIG_SYS_TEXT_BASE 0x40000000
27 #if !defined(CONFIG_SC)
28 #define CONFIG_IDENT_STRING " B2"
30 #define CONFIG_IDENT_STRING " SC"
34 * Don't depend on the RTC clock to determine clock frequency -
35 * the 860's internal rtc uses a 32.768 KHz clock which is
36 * generated by the DS1337 - and the DS1337 clock can be turned off.
38 #if !defined(CONFIG_SC)
39 #define CONFIG_8xx_GCLK_FREQ 66600000
41 #define CONFIG_8xx_GCLK_FREQ 48000000
45 * The RS-232 console port is on SMC1
47 #define CONFIG_8xx_CONS_SMC1
48 #define CONFIG_BAUDRATE 38400
51 * Print console information
53 #undef CONFIG_SYS_CONSOLE_INFO_QUIET
56 * Set the autoboot delay in seconds. A delay of -1 disables autoboot
58 #define CONFIG_BOOTDELAY 5
61 * Pass the clock frequency to the Linux kernel in units of MHz
63 #define CONFIG_CLOCKS_IN_MHZ
65 #define CONFIG_PREBOOT \
68 #undef CONFIG_BOOTARGS
69 #define CONFIG_BOOTCOMMAND \
71 "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
72 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
76 * Turn off echo for serial download by default. Allow baud rate to be changed
79 #undef CONFIG_LOADS_ECHO
80 #define CONFIG_SYS_LOADS_BAUD_CHANGE
83 * Turn off the watchdog timer
85 #undef CONFIG_WATCHDOG
88 * Do not reboot if a panic occurs
90 #define CONFIG_PANIC_HANG
93 * Enable the status LED
95 #define CONFIG_STATUS_LED
98 * Reset address. We pick an address such that when an instruction
99 * is executed at that address, a machine check exception occurs
101 #define CONFIG_SYS_RESET_ADDRESS ((ulong) -1)
106 #define CONFIG_BOOTP_SUBNETMASK
107 #define CONFIG_BOOTP_GATEWAY
108 #define CONFIG_BOOTP_HOSTNAME
109 #define CONFIG_BOOTP_BOOTPATH
110 #define CONFIG_BOOTP_BOOTFILESIZE
114 * The GEN860T network interface uses the on-chip 10/100 FEC with
115 * an Intel LXT971A PHY connected to the 860T's MII. The PHY's
116 * MII address is hardwired on the board to zero.
118 #define CONFIG_FEC_ENET
119 #define CONFIG_SYS_DISCOVER_PHY
121 #define CONFIG_MII_INIT 1
122 #define CONFIG_PHY_ADDR 0
125 * Set default IP stuff just to get bootstrap entries into the
126 * environment so that we can source the full default environment.
128 #define CONFIG_ETHADDR 9a:52:63:15:85:25
129 #define CONFIG_SERVERIP 10.0.4.201
130 #define CONFIG_IPADDR 10.0.4.111
133 * This board has a 32 kibibyte EEPROM (Atmel AT24C256) connected to
134 * the MPC860T I2C interface.
136 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50
137 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 6 /* 64 byte pages */
138 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 12 /* 10 mS w/ 20% margin */
139 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 /* need 16 bit address */
140 #define CONFIG_ENV_EEPROM_SIZE (32 * 1024)
143 * Enable I2C and select the hardware/software driver
145 #define CONFIG_HARD_I2C 1 /* CPM based I2C */
146 #undef CONFIG_SYS_I2C_SOFT /* Bit-banged I2C */
148 #ifdef CONFIG_HARD_I2C
149 #define CONFIG_SYS_I2C_SPEED 100000 /* clock speed in Hz */
150 #define CONFIG_SYS_I2C_SLAVE 0xFE /* I2C slave address */
153 #ifdef CONFIG_SYS_I2C_SOFT
154 #define CONFIG_SYS_I2C
155 #define CONFIG_SYS_I2C_SOFT_SPEED 50000
156 #define CONFIG_SYS_I2C_SOFT_SLAVE 0xFE
157 #define PB_SCL 0x00000020 /* PB 26 */
158 #define PB_SDA 0x00000010 /* PB 27 */
159 #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
160 #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
161 #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
162 #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
163 #define I2C_SDA(bit) if (bit) \
164 immr->im_cpm.cp_pbdat |= PB_SDA; \
166 immr->im_cpm.cp_pbdat &= ~PB_SDA
167 #define I2C_SCL(bit) if (bit) \
168 immr->im_cpm.cp_pbdat |= PB_SCL; \
170 immr->im_cpm.cp_pbdat &= ~PB_SCL
171 #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
175 * Allow environment overwrites by anyone
177 #define CONFIG_ENV_OVERWRITE
179 #if !defined(CONFIG_SC)
181 * The MPC860's internal RTC is horribly broken in rev D masks. Three
182 * internal MPC860T circuit nodes were inadvertently left floating; this
183 * causes KAPWR current in power down mode to be three orders of magnitude
184 * higher than specified in the datasheet (from 10 uA to 10 mA). No
185 * reasonable battery can keep that kind RTC running during powerdown for any
186 * length of time, so we use an external RTC on the I2C bus instead.
188 #define CONFIG_RTC_DS1337
189 #define CONFIG_SYS_I2C_RTC_ADDR 0x68
193 * No external RTC on SC variant, so we're stuck with the internal one.
195 #define CONFIG_RTC_MPC8xx
199 * Power On Self Test support
201 #define CONFIG_POST ( CONFIG_SYS_POST_CACHE | \
202 CONFIG_SYS_POST_MEMORY | \
203 CONFIG_SYS_POST_CPU | \
204 CONFIG_SYS_POST_UART | \
205 CONFIG_SYS_POST_SPR )
209 * Command line configuration.
211 #include <config_cmd_default.h>
213 #define CONFIG_CMD_ASKENV
214 #define CONFIG_CMD_DHCP
215 #define CONFIG_CMD_I2C
216 #define CONFIG_CMD_EEPROM
217 #define CONFIG_CMD_REGINFO
218 #define CONFIG_CMD_IMMAP
219 #define CONFIG_CMD_ELF
220 #define CONFIG_CMD_DATE
221 #define CONFIG_CMD_FPGA
222 #define CONFIG_CMD_MII
223 #define CONFIG_CMD_BEDBUG
226 #define CONFIG_CMD_DIAG
230 * There is no IDE/PCMCIA hardware support on the board.
232 #undef CONFIG_IDE_PCMCIA
233 #undef CONFIG_IDE_LED
234 #undef CONFIG_IDE_RESET
237 * Enable the call to misc_init_r() for miscellaneous platform
238 * dependent initialization.
240 #define CONFIG_MISC_INIT_R
243 * Enable call to last_stage_init() so we can twiddle some LEDS :)
245 #define CONFIG_LAST_STAGE_INIT
248 * Virtex2 FPGA configuration support
250 #define CONFIG_FPGA_COUNT 1
252 #define CONFIG_FPGA_XILINX
253 #define CONFIG_FPGA_VIRTEX2
254 #define CONFIG_SYS_FPGA_PROG_FEEDBACK
257 * Verbose help from command monitor.
259 #define CONFIG_SYS_LONGHELP
260 #if !defined(CONFIG_SC)
261 #define CONFIG_SYS_PROMPT "B2> "
263 #define CONFIG_SYS_PROMPT "SC> "
268 * Use the "hush" command parser
270 #define CONFIG_SYS_HUSH_PARSER
273 * Set buffer size for console I/O
275 #if defined(CONFIG_CMD_KGDB)
276 #define CONFIG_SYS_CBSIZE 1024
278 #define CONFIG_SYS_CBSIZE 256
284 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
287 * Maximum number of arguments that a command can accept
289 #define CONFIG_SYS_MAXARGS 16
292 * Boot argument buffer size
294 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
297 * Default memory test range
299 #define CONFIG_SYS_MEMTEST_START 0x0100000
300 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + (128 * 1024))
303 * Select the more full-featured memory test
305 #define CONFIG_SYS_ALT_MEMTEST
308 * Default load address
310 #define CONFIG_SYS_LOAD_ADDR 0x01000000
313 * Set decrementer frequency (1 ms ticks)
315 #define CONFIG_SYS_HZ 1000
318 * Device memory map (after SDRAM remap to 0x0):
320 * CS Device Base Addr Size
321 * ----------------------------------------------------
322 * CS0* Flash 0x40000000 64 M
323 * CS1* SDRAM 0x00000000 16 M
324 * CS2* Disk-On-Chip 0x50000000 32 K
325 * CS3* FPGA 0x60000000 64 M
326 * CS4* SelectMap 0x70000000 32 K
327 * CS5* Mil-Std 1553 I/F 0x80000000 32 K
330 * IMMR 860T Registers 0xfff00000
334 * Base addresses and block sizes
336 #define CONFIG_SYS_IMMR 0xFF000000
338 #define SDRAM_BASE 0x00000000
339 #define SDRAM_SIZE (64 * 1024 * 1024)
341 #define FLASH_BASE 0x40000000
342 #define FLASH_SIZE (16 * 1024 * 1024)
344 #define DOC_BASE 0x50000000
345 #define DOC_SIZE (32 * 1024)
347 #define FPGA_BASE 0x60000000
348 #define FPGA_SIZE (64 * 1024 * 1024)
350 #define SELECTMAP_BASE 0x70000000
351 #define SELECTMAP_SIZE (32 * 1024)
353 #define M1553_BASE 0x80000000
354 #define M1553_SIZE (64 * 1024)
357 * Definitions for initial stack pointer and data area (in DPRAM)
359 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
360 #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
361 #define CONFIG_SYS_INIT_DATA_SIZE 64 /* # bytes reserved for initial data*/
362 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - CONFIG_SYS_INIT_DATA_SIZE)
363 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
366 * Start addresses for the final memory configuration
367 * (Set up by the startup code)
368 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
370 #define CONFIG_SYS_SDRAM_BASE SDRAM_BASE
375 #define CONFIG_SYS_FLASH_BASE FLASH_BASE
376 #define CONFIG_SYS_FLASH_SIZE FLASH_SIZE
377 #define CONFIG_SYS_FLASH_SECT_SIZE (128 * 1024)
378 #define CONFIG_SYS_MAX_FLASH_BANKS 1
379 #define CONFIG_SYS_MAX_FLASH_SECT 128
382 * The timeout values are for an entire chip and are in milliseconds.
383 * Yes I know that the write timeout is huge. Accroding to the
384 * datasheet a single byte takes 630 uS (round to 1 ms) max at worst
385 * case VCC and temp after 100K programming cycles. It works out
386 * to 280 minutes (might as well be forever).
388 #define CONFIG_SYS_FLASH_ERASE_TOUT (CONFIG_SYS_MAX_FLASH_SECT * 5000)
389 #define CONFIG_SYS_FLASH_WRITE_TOUT (CONFIG_SYS_MAX_FLASH_SECT * 128 * 1024 * 1)
392 * Allow direct writes to FLASH from tftp transfers (** dangerous **)
394 #define CONFIG_SYS_DIRECT_FLASH_TFTP
397 * Reserve memory for U-Boot.
399 #define CONFIG_SYS_MAX_UBOOT_SECTS 4
400 #define CONFIG_SYS_MONITOR_LEN (CONFIG_SYS_MAX_UBOOT_SECTS * CONFIG_SYS_FLASH_SECT_SIZE)
401 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
404 * Select environment placement. NOTE that u-boot.lds must
405 * be edited if this is changed!
407 #undef CONFIG_ENV_IS_IN_FLASH
408 #define CONFIG_ENV_IS_IN_EEPROM
410 #if defined(CONFIG_ENV_IS_IN_EEPROM)
411 #define CONFIG_ENV_SIZE (2 * 1024)
412 #define CONFIG_ENV_OFFSET (CONFIG_ENV_EEPROM_SIZE - (8 * 1024))
414 #define CONFIG_ENV_SIZE 0x1000
415 #define CONFIG_ENV_SECT_SIZE CONFIG_SYS_FLASH_SECT_SIZE
418 * This ultimately gets passed right into the linker script, so we have to
421 #define CONFIG_ENV_OFFSET 0x060000
425 * Reserve memory for malloc()
427 #define CONFIG_SYS_MALLOC_LEN (128 * 1024)
430 * For booting Linux, the board info and command line data
431 * have to be in the first 8 MB of memory, since this is
432 * the maximum mapped by the Linux kernel during initialization.
434 #define CONFIG_SYS_BOOTMAPSZ (8 * 1024 * 1024)
437 * Cache Configuration
439 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
440 #if defined(CONFIG_CMD_KGDB)
441 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of above value */
444 /*------------------------------------------------------------------------
445 * SYPCR - System Protection Control UM 11-9
446 * -----------------------------------------------------------------------
447 * SYPCR can only be written once after reset!
449 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
451 #if defined(CONFIG_WATCHDOG)
452 #define CONFIG_SYS_SYPCR ( SYPCR_SWTC | \
461 #define CONFIG_SYS_SYPCR ( SYPCR_SWTC | \
469 /*-----------------------------------------------------------------------
470 * SIUMCR - SIU Module Configuration UM 11-6
471 *-----------------------------------------------------------------------
472 * Set debug pin mux, enable SPKROUT and GPLB5*.
474 #define CONFIG_SYS_SIUMCR ( SIUMCR_DBGC11 | \
480 /*-----------------------------------------------------------------------
481 * TBSCR - Time Base Status and Control UM 11-26
482 *-----------------------------------------------------------------------
483 * Clear Reference Interrupt Status, Timebase freeze enabled
485 #define CONFIG_SYS_TBSCR ( TBSCR_REFA | \
490 /*-----------------------------------------------------------------------
491 * RTCSC - Real-Time Clock Status and Control Register UM 11-27
492 *-----------------------------------------------------------------------
494 #define CONFIG_SYS_RTCSC ( RTCSC_SEC | \
500 /*-----------------------------------------------------------------------
501 * PISCR - Periodic Interrupt Status and Control UM 11-31
502 *-----------------------------------------------------------------------
503 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
505 #define CONFIG_SYS_PISCR ( PISCR_PS | \
509 /*-----------------------------------------------------------------------
510 * PLPRCR - PLL, Low-Power, and Reset Control Register UM 15-30
511 *-----------------------------------------------------------------------
512 * Reset PLL lock status sticky bit, timer expired status bit and timer
513 * interrupt status bit. Set MF for 1:2:1 mode.
515 #define CONFIG_SYS_PLPRCR ( ((0x1 << PLPRCR_MF_SHIFT) & PLPRCR_MF_MSK) | \
521 /*-----------------------------------------------------------------------
522 * SCCR - System Clock and reset Control Register UM 15-27
523 *-----------------------------------------------------------------------
524 * Set clock output, timebase and RTC source and divider,
525 * power management and some other internal clocks
527 #define SCCR_MASK SCCR_EBDF11
529 #if !defined(CONFIG_SC)
530 #define CONFIG_SYS_SCCR ( SCCR_TBS | /* timebase = GCLK/2 */ \
531 SCCR_COM00 | /* full strength CLKOUT */ \
532 SCCR_DFSYNC00 | /* SYNCLK / 1 (normal) */ \
533 SCCR_DFBRG00 | /* BRGCLK / 1 (normal) */ \
538 #define CONFIG_SYS_SCCR ( SCCR_TBS | /* timebase = GCLK/2 */ \
539 SCCR_COM00 | /* full strength CLKOUT */ \
540 SCCR_DFSYNC00 | /* SYNCLK / 1 (normal) */ \
541 SCCR_DFBRG00 | /* BRGCLK / 1 (normal) */ \
549 /*-----------------------------------------------------------------------
550 * DER - Debug Enable Register UM 37-46
551 *-----------------------------------------------------------------------
552 * Mask all events that can cause entry into debug mode
554 #define CONFIG_SYS_DER 0
557 * Initialize Memory Controller:
559 * BR0 and OR0 (FLASH memory)
561 #define FLASH_BASE0_PRELIM FLASH_BASE
566 #define CONFIG_SYS_PRELIM_OR_AM 0xfe000000
570 * 33 Mhz bus with ACS = 11, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 1
572 #define CONFIG_SYS_OR_TIMING_FLASH ( OR_CSNT_SAM | \
580 #define CONFIG_SYS_OR0_PRELIM ( CONFIG_SYS_PRELIM_OR_AM | \
581 CONFIG_SYS_OR_TIMING_FLASH \
584 #define CONFIG_SYS_BR0_PRELIM ( (FLASH_BASE0_PRELIM & BR_BA_MSK) | \
591 * SDRAM configuration
593 #define CONFIG_SYS_OR1_AM 0xfc000000
594 #define CONFIG_SYS_OR1 ( (CONFIG_SYS_OR1_AM & OR_AM_MSK) | \
598 #define CONFIG_SYS_BR1 ( (SDRAM_BASE & BR_BA_MSK) | \
605 * Refresh rate 7.8 us (= 64 ms / 8K = 31.2 uS quad bursts) for one bank
608 #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16
611 * Periodic timer for refresh @ 33 MHz system clock
613 #define CONFIG_SYS_MAMR_PTA 64
616 * MAMR settings for SDRAM
618 #define CONFIG_SYS_MAMR_8COL ( (CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | \
629 * CS2* configuration for Disk On Chip:
630 * 33 MHz bus with TRLX=1, ACS=11, CSNT=1, EBDF=1, SCY=2, EHTR=1,
633 #define CONFIG_SYS_OR2_PRELIM ( (0xffff0000 & OR_AM_MSK) | \
642 #define CONFIG_SYS_BR2_PRELIM ( (DOC_BASE & BR_BA_MSK) | \
649 * CS3* configuration for FPGA:
650 * 33 MHz bus with SCY=15, no burst.
651 * The FPGA uses TA and TEA to terminate bus cycles, but we
652 * clear SETA and set the cycle length to a large number so that
653 * the cycle will still complete even if there is a configuration
654 * error that prevents TA from asserting on FPGA accesss.
656 #define CONFIG_SYS_OR3_PRELIM ( (0xfc000000 & OR_AM_MSK) | \
661 #define CONFIG_SYS_BR3_PRELIM ( (FPGA_BASE & BR_BA_MSK) | \
667 * CS4* configuration for FPGA SelectMap configuration interface.
668 * 33 MHz bus, UPMB, no burst. Do not assert GPLB5 on falling edge
671 #define CONFIG_SYS_OR4_PRELIM ( (0xffff0000 & OR_AM_MSK) | \
676 #define CONFIG_SYS_BR4_PRELIM ( (SELECTMAP_BASE & BR_BA_MSK) | \
683 * CS5* configuration for Mil-Std 1553 databus interface.
684 * 33 MHz bus, GPCM, no burst.
685 * The 1553 interface uses TA and TEA to terminate bus cycles,
686 * but we clear SETA and set the cycle length to a large number so that
687 * the cycle will still complete even if there is a configuration
688 * error that prevents TA from asserting on FPGA accesss.
690 #define CONFIG_SYS_OR5_PRELIM ( (0xffff0000 & OR_AM_MSK) | \
698 #define CONFIG_SYS_BR5_PRELIM ( (M1553_BASE & BR_BA_MSK) | \
705 * FEC interrupt assignment
707 #define FEC_INTERRUPT SIU_LEVEL1
712 #if defined(CONFIG_SCC1_ENET) && defined(CONFIG_FEC_ENET)
713 #error Both CONFIG_SCC1_ENET and CONFIG_FEC_ENET configured
716 #endif /* __CONFIG_GEN860T_H */