2 * U-Boot configuration for SIXNET SXNI855T CPU board.
3 * This board is based (loosely) on the Motorola FADS board, so this
4 * file is based (loosely) on config_FADS860T.h, see it for additional
7 * Copyright (c) 2000-2002 Dave Ellis, SIXNET, dge@sixnetio.com
9 * See file CREDITS for list of people who contributed to this
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
32 * ff100000 -> ff13ffff : FPGA CS1
33 * ff030000 -> ff03ffff : EXPANSION CS7
34 * ff020000 -> ff02ffff : DATA FLASH CS4
35 * ff018000 -> ff01ffff : UART B CS6/UPMB
36 * ff010000 -> ff017fff : UART A CS5/UPMB
37 * ff000000 -> ff00ffff : IMAP internal to the MPC855T
38 * f8000000 -> fbffffff : FLASH CS0 up to 64MB
39 * f4000000 -> f7ffffff : NVSRAM CS2 up to 64MB
40 * 00000000 -> 0fffffff : SDRAM CS3/UPMA up to 256MB
43 /* ------------------------------------------------------------------------- */
46 * board/config.h - configuration options, board specific
53 * High Level Configuration Options
56 #include <mpc8xx_irq.h>
58 #define CONFIG_SXNI855T 1 /* SIXNET IPm 855T CPU module */
60 /* The 855T is just a stripped 860T and needs code for 860, so for now
61 * at least define 860, 860T and 855T
63 #define CONFIG_MPC860 1
64 #define CONFIG_MPC860T 1
65 #define CONFIG_MPC855T 1
67 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
68 #undef CONFIG_8xx_CONS_SMC2
69 #undef CONFIG_8xx_CONS_SCC1
70 #undef CONFIG_8xx_CONS_NONE
71 #define CONFIG_BAUDRATE 9600
72 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
74 #define MPC8XX_FACT 10 /* 50 MHz is 5 MHz in times 10 */
76 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
79 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
81 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
84 #define CONFIG_HAS_ETH1
86 /*-----------------------------------------------------------------------
87 * Definitions for status LED
89 #define CONFIG_STATUS_LED 1 /* Status LED enabled */
91 # define STATUS_LED_PAR im_ioport.iop_papar
92 # define STATUS_LED_DIR im_ioport.iop_padir
93 # define STATUS_LED_ODR im_ioport.iop_paodr
94 # define STATUS_LED_DAT im_ioport.iop_padat
96 # define STATUS_LED_BIT 0x8000 /* LED 0 is on PA.0 */
97 # define STATUS_LED_PERIOD ((CFG_HZ / 2) / 5) /* blink at 5 Hz */
98 # define STATUS_LED_STATE STATUS_LED_BLINKING
100 # define STATUS_LED_ACTIVE 0 /* LED on for bit == 0 */
102 # define STATUS_LED_BOOT 0 /* LED 0 used for boot status */
104 #ifdef DEV /* development (debug) settings */
105 #define CONFIG_BOOT_LED_STATE STATUS_LED_OFF
106 #else /* production settings */
107 #define CONFIG_BOOT_LED_STATE STATUS_LED_ON
110 #define CONFIG_SHOW_BOOT_PROGRESS 1
112 #define CONFIG_BOOTCOMMAND "bootm f8040000 f8100000" /* autoboot command */
113 #define CONFIG_BOOTARGS "root=/dev/ram ip=off"
115 #define CONFIG_MISC_INIT_R /* have misc_init_r() function */
116 #define CONFIG_BOARD_POSTCLK_INIT /* have board_postclk_init() function */
118 #undef CONFIG_WATCHDOG /* watchdog disabled */
120 #define CONFIG_RTC_DS1306 /* Dallas 1306 real time clock */
122 #define CONFIG_SOFT_I2C /* I2C bit-banged */
124 * Software (bit-bang) I2C driver configuration
126 #define PB_SCL 0x00000020 /* PB 26 */
127 #define PB_SDA 0x00000010 /* PB 27 */
129 #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
130 #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
131 #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
132 #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
133 #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
134 else immr->im_cpm.cp_pbdat &= ~PB_SDA
135 #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
136 else immr->im_cpm.cp_pbdat &= ~PB_SCL
137 #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
139 # define CFG_I2C_SPEED 50000
140 # define CFG_I2C_SLAVE 0xFE
141 # define CFG_I2C_EEPROM_ADDR 0x50 /* Atmel 24C64 */
142 # define CFG_I2C_EEPROM_ADDR_LEN 2 /* two byte address */
144 #define CONFIG_FEC_ENET 1 /* use FEC ethernet */
147 #define CFG_DISCOVER_PHY
149 #define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
155 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
156 #include <cmd_confdefs.h>
158 #define CFG_JFFS2_SORT_FRAGMENTS
164 /* No command line, one static partition */
165 #undef CONFIG_JFFS2_CMDLINE
168 #define CONFIG_JFFS2_DEV "nor0"
169 #define CONFIG_JFFS2_PART_SIZE 0x00780000
170 #define CONFIG_JFFS2_PART_OFFSET 0x00080000
173 #define CONFIG_JFFS2_DEV "nand0"
174 #define CONFIG_JFFS2_PART_SIZE 0x00200000
175 #define CONFIG_JFFS2_PART_OFFSET 0x00000000
177 /* mtdparts command line support */
178 /* Note: fake mtd_id used, no linux mtd map file */
180 #define CONFIG_JFFS2_CMDLINE
181 #define MTDIDS_DEFAULT "nor0=sixnet-0,nand0=sixnet-nand"
182 #define MTDPARTS_DEFAULT "mtdparts=sixnet-0:7680k@512k();sixnet-nand:2m(jffs2-nand)"
185 /* NAND flash support */
186 #define CONFIG_MTD_NAND_ECC_JFFS2
187 #define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */
188 #define SECTORSIZE 512
190 #define ADDR_COLUMN 1
192 #define ADDR_COLUMN_PAGE 3
194 #define NAND_ChipID_UNKNOWN 0x00
195 #define NAND_MAX_FLOORS 1
196 #define NAND_MAX_CHIPS 1
198 /* DFBUSY is available on Port C, bit 12; 0 if busy */
199 #define NAND_WAIT_READY(nand) \
200 while (!(((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pcdat & 0x0008));
201 #define WRITE_NAND_COMMAND(d, adr) WRITE_NAND((d), (adr))
202 #define WRITE_NAND_ADDRESS(d, adr) WRITE_NAND((d), (adr))
203 #define WRITE_NAND(d, adr) \
204 do { (*(volatile uint8_t *)(adr) = (uint8_t)(d)); } while (0)
205 #define READ_NAND(adr) (*(volatile uint8_t *)(adr))
206 #define CLE_LO 0x01 /* 0 selects CLE mode (CLE high) */
207 #define ALE_LO 0x02 /* 0 selects ALE mode (ALE high) */
208 #define CE_LO 0x04 /* 1 selects chip (CE low) */
209 #define nand_setcr(cr, val) do {*(volatile uint8_t*)(cr) = (val);} while (0)
210 #define NAND_DISABLE_CE(nand) \
211 nand_setcr((nand)->IO_ADDR + 1, ALE_LO | CLE_LO)
212 #define NAND_ENABLE_CE(nand) \
213 nand_setcr((nand)->IO_ADDR + 1, CE_LO | ALE_LO | CLE_LO)
214 #define NAND_CTL_CLRALE(nandptr) \
215 nand_setcr((nandptr) + 1, CE_LO | ALE_LO | CLE_LO)
216 #define NAND_CTL_SETALE(nandptr) \
217 nand_setcr((nandptr) + 1, CE_LO | CLE_LO)
218 #define NAND_CTL_CLRCLE(nandptr) \
219 nand_setcr((nandptr) + 1, CE_LO | ALE_LO | CLE_LO)
220 #define NAND_CTL_SETCLE(nandptr) \
221 nand_setcr((nandptr) + 1, CE_LO | ALE_LO)
224 * Miscellaneous configurable options
226 #define CFG_LONGHELP /* undef to save a little memory */
227 #define CFG_PROMPT "=>" /* Monitor Command Prompt */
228 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
229 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
231 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
233 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
234 #define CFG_MAXARGS 16 /* max number of command args */
235 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
237 #define CFG_MEMTEST_START 0x0100000 /* memtest works on */
238 #define CFG_MEMTEST_END 0x0400000 /* 1 ... 4 MB in DRAM */
240 #define CFG_LOAD_ADDR 0x00100000
242 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
244 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
247 * Low Level Configuration Settings
248 * (address mappings, register initial values, etc.)
249 * You should know what you are doing if you make changes here.
251 /*-----------------------------------------------------------------------
252 * Internal Memory Mapped Register
254 #define CFG_IMMR 0xFF000000
255 #define CFG_IMMR_SIZE ((uint)(64 * 1024))
257 /*-----------------------------------------------------------------------
258 * Definitions for initial stack pointer and data area (in DPRAM)
260 #define CFG_INIT_RAM_ADDR CFG_IMMR
261 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
262 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
263 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
264 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
266 /*-----------------------------------------------------------------------
267 * Start addresses for the final memory configuration
268 * (Set up by the startup code)
269 * Please note that CFG_SDRAM_BASE _must_ start at 0
271 #define CFG_SDRAM_BASE 0x00000000
272 #define CFG_SRAM_BASE 0xF4000000
273 #define CFG_SRAM_SIZE 0x04000000 /* autosize up to 64Mbyte */
275 #define CFG_FLASH_BASE 0xF8000000
276 #define CFG_FLASH_SIZE ((uint)(8 * 1024 * 1024)) /* max 8Mbyte */
278 #define CFG_DFLASH_BASE 0xff020000 /* DiskOnChip or NAND FLASH */
279 #define CFG_DFLASH_SIZE 0x00010000
281 #define CFG_FPGA_BASE 0xFF100000 /* Xilinx FPGA */
282 #define CFG_FPGA_PROG 0xFF130000 /* Programming address */
283 #define CFG_FPGA_SIZE 0x00040000 /* 256KiB usable */
285 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
286 #define CFG_MONITOR_BASE CFG_FLASH_BASE
287 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
290 * For booting Linux, the board info and command line data
291 * have to be in the first 8 MB of memory, since this is
292 * the maximum mapped by the Linux kernel during initialization.
294 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
295 /*-----------------------------------------------------------------------
298 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
299 /* Intel 28F640 has 135, 127 64K sectors in 8MB, + 8 more for 8K boot blocks.
300 * AMD 29LV641 has 128 64K sectors in 8MB
302 #define CFG_MAX_FLASH_SECT 135 /* max number of sectors on one chip */
304 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
305 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
307 /*-----------------------------------------------------------------------
308 * Cache Configuration
310 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
311 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
312 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
315 /*-----------------------------------------------------------------------
316 * SYPCR - System Protection Control 11-9
317 * SYPCR can only be written once after reset!
318 *-----------------------------------------------------------------------
319 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
321 #if defined(CONFIG_WATCHDOG)
322 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
323 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
325 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
328 /*-----------------------------------------------------------------------
329 * SIUMCR - SIU Module Configuration 11-6
330 *-----------------------------------------------------------------------
331 * PCMCIA config., multi-function pin tri-state
333 #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
335 /*-----------------------------------------------------------------------
336 * TBSCR - Time Base Status and Control 11-26
337 *-----------------------------------------------------------------------
338 * Clear Reference Interrupt Status, Timebase freezing enabled
340 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)
342 /*-----------------------------------------------------------------------
343 * PISCR - Periodic Interrupt Status and Control 11-31
344 *-----------------------------------------------------------------------
345 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
347 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
349 /*-----------------------------------------------------------------------
350 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
351 *-----------------------------------------------------------------------
352 * set the PLL, the low-power modes and the reset control (15-29)
354 #define CFG_PLPRCR (((MPC8XX_FACT-1) << PLPRCR_MF_SHIFT) | \
355 PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
357 /*-----------------------------------------------------------------------
358 * SCCR - System Clock and reset Control Register 15-27
359 *-----------------------------------------------------------------------
360 * Set clock output, timebase and RTC source and divider,
361 * power management and some other internal clocks
363 #define SCCR_MASK SCCR_EBDF11
364 #define CFG_SCCR (SCCR_TBS|SCCR_COM00|SCCR_DFSYNC00|SCCR_DFBRG00|SCCR_DFNL000|SCCR_DFNH000|SCCR_DFLCD000|SCCR_DFALCD00)
366 /*-----------------------------------------------------------------------
368 *-----------------------------------------------------------------------
373 /* Because of the way the 860 starts up and assigns CS0 the
374 * entire address space, we have to set the memory controller
375 * differently. Normally, you write the option register
376 * first, and then enable the chip select by writing the
377 * base register. For CS0, you must write the base register
378 * first, followed by the option register.
382 * Init Memory Controller:
384 **********************************************************
385 * BR0 and OR0 (FLASH)
388 #define CFG_PRELIM_OR0_AM 0xFC000000 /* OR addr mask */
390 /* FLASH timing: ACS = 10, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 0 */
391 #define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_3_CLK | OR_TRLX)
393 #define CFG_OR0_PRELIM (CFG_PRELIM_OR0_AM | CFG_OR_TIMING_FLASH)
395 #define CONFIG_FLASH_16BIT
396 #define CFG_BR0_PRELIM ((CFG_FLASH_BASE & BR_BA_MSK) | BR_PS_16 | BR_V )
397 #define CFG_FLASH_PROTECTION /* need to lock/unlock sectors in hardware */
399 /**********************************************************
401 * These preliminary values are also the final values.
403 #define CFG_OR_TIMING_FPGA \
404 (OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | OR_SCY_4_CLK | OR_EHTR | OR_TRLX)
405 #define CFG_BR1_PRELIM ((CFG_FPGA_BASE & BR_BA_MSK) | BR_PS_8 | BR_V )
406 #define CFG_OR1_PRELIM (((-CFG_FPGA_SIZE) & OR_AM_MSK) | CFG_OR_TIMING_FPGA)
408 /**********************************************************
409 * BR4 and OR4 (data flash)
410 * These preliminary values are also the final values.
412 #define CFG_OR_TIMING_DFLASH \
413 (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_2_CLK | OR_EHTR | OR_TRLX)
414 #define CFG_BR4_PRELIM ((CFG_DFLASH_BASE & BR_BA_MSK) | BR_PS_8 | BR_V )
415 #define CFG_OR4_PRELIM (((-CFG_DFLASH_SIZE) & OR_AM_MSK) | CFG_OR_TIMING_DFLASH)
417 /**********************************************************
418 * BR5/6 and OR5/6 (Dual UART)
420 #define CFG_DUART_SIZE 0x8000 /* 32K window, only uses 8 bytes */
421 #define CFG_DUARTA_BASE 0xff010000
422 #define CFG_DUARTB_BASE 0xff018000
425 #define DUART_OR_VALUE (ORMASK(CFG_DUART_SIZE) | OR_G5LS| OR_BI)
426 #define DUART_BR_VALUE (BR_MS_UPMB | BR_PS_8 | BR_V)
427 #define DUART_BR5_VALUE ((CFG_DUARTA_BASE & BR_BA_MSK ) | DUART_BR_VALUE)
428 #define DUART_BR6_VALUE ((CFG_DUARTB_BASE & BR_BA_MSK ) | DUART_BR_VALUE)
430 /**********************************************************
434 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
435 #define BOOTFLAG_WARM 0x02 /* Software reboot */
437 #define CONFIG_RESET_ON_PANIC /* reset if system panic() */
439 #define CFG_ENV_IS_IN_FLASH
440 #ifdef CFG_ENV_IS_IN_FLASH
441 /* environment is in FLASH */
442 #define CFG_ENV_ADDR 0xF8040000 /* AM29LV641 or AM29LV800BT */
443 #define CFG_ENV_ADDR_REDUND 0xF8050000 /* AM29LV641 or AM29LV800BT */
444 #define CFG_ENV_SECT_SIZE 0x00010000
445 #define CFG_ENV_SIZE 0x00002000
447 /* environment is in EEPROM */
448 #define CFG_ENV_IS_IN_EEPROM 1
449 #define CFG_ENV_OFFSET 0 /* at beginning of EEPROM */
450 #define CFG_ENV_SIZE 1024 /* Use only a part of it*/
454 #define CONFIG_AUTOBOOT_KEYED /* use key strings to stop autoboot */
455 #define CONFIG_AUTOBOOT_PROMPT "autoboot in %d seconds\n"
456 #define CONFIG_AUTOBOOT_DELAY_STR "delayabit"
457 #define CONFIG_AUTOBOOT_STOP_STR " " /* easy to stop for now */
460 #endif /* __CONFIG_H */