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 * SPDX-License-Identifier: GPL-2.0+
15 * ff100000 -> ff13ffff : FPGA CS1
16 * ff030000 -> ff03ffff : EXPANSION CS7
17 * ff020000 -> ff02ffff : DATA FLASH CS4
18 * ff018000 -> ff01ffff : UART B CS6/UPMB
19 * ff010000 -> ff017fff : UART A CS5/UPMB
20 * ff000000 -> ff00ffff : IMAP internal to the MPC855T
21 * f8000000 -> fbffffff : FLASH CS0 up to 64MB
22 * f4000000 -> f7ffffff : NVSRAM CS2 up to 64MB
23 * 00000000 -> 0fffffff : SDRAM CS3/UPMA up to 256MB
26 /* ------------------------------------------------------------------------- */
29 * board/config.h - configuration options, board specific
36 * High Level Configuration Options
39 #include <mpc8xx_irq.h>
41 #define CONFIG_SXNI855T 1 /* SIXNET IPm 855T CPU module */
43 /* The 855T is just a stripped 860T and needs code for 860, so for now
44 * at least define 860, 860T and 855T
46 #define CONFIG_MPC860 1
47 #define CONFIG_MPC860T 1
48 #define CONFIG_MPC855T 1
50 #define CONFIG_SYS_TEXT_BASE 0xF8000000
52 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
53 #undef CONFIG_8xx_CONS_SMC2
54 #undef CONFIG_8xx_CONS_SCC1
55 #undef CONFIG_8xx_CONS_NONE
56 #define CONFIG_BAUDRATE 9600
57 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
59 #define MPC8XX_FACT 10 /* 50 MHz is 5 MHz in times 10 */
61 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
64 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
66 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
69 #define CONFIG_HAS_ETH1
71 /*-----------------------------------------------------------------------
72 * Definitions for status LED
74 #define CONFIG_STATUS_LED 1 /* Status LED enabled */
76 # define STATUS_LED_PAR im_ioport.iop_papar
77 # define STATUS_LED_DIR im_ioport.iop_padir
78 # define STATUS_LED_ODR im_ioport.iop_paodr
79 # define STATUS_LED_DAT im_ioport.iop_padat
81 # define STATUS_LED_BIT 0x8000 /* LED 0 is on PA.0 */
82 # define STATUS_LED_PERIOD ((CONFIG_SYS_HZ / 2) / 5) /* blink at 5 Hz */
83 # define STATUS_LED_STATE STATUS_LED_BLINKING
85 # define STATUS_LED_ACTIVE 0 /* LED on for bit == 0 */
87 # define STATUS_LED_BOOT 0 /* LED 0 used for boot status */
89 #ifdef DEV /* development (debug) settings */
90 #define CONFIG_BOOT_LED_STATE STATUS_LED_OFF
91 #else /* production settings */
92 #define CONFIG_BOOT_LED_STATE STATUS_LED_ON
95 #define CONFIG_SHOW_BOOT_PROGRESS 1
97 #define CONFIG_BOOTCOMMAND "bootm f8040000 f8100000" /* autoboot command */
98 #define CONFIG_BOOTARGS "root=/dev/ram ip=off"
100 #define CONFIG_MISC_INIT_R /* have misc_init_r() function */
101 #define CONFIG_BOARD_POSTCLK_INIT /* have board_postclk_init() function */
103 #undef CONFIG_WATCHDOG /* watchdog disabled */
105 #define CONFIG_RTC_DS1306 /* Dallas 1306 real time clock */
107 #define CONFIG_SYS_I2C
108 #define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */
109 #define CONFIG_SYS_I2C_SOFT_SPEED 50000
110 #define CONFIG_SYS_I2C_SOFT_SLAVE 0xFE
112 * Software (bit-bang) I2C driver configuration
114 #define PB_SCL 0x00000020 /* PB 26 */
115 #define PB_SDA 0x00000010 /* PB 27 */
117 #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
118 #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
119 #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
120 #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
121 #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
122 else immr->im_cpm.cp_pbdat &= ~PB_SDA
123 #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
124 else immr->im_cpm.cp_pbdat &= ~PB_SCL
125 #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
127 # define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Atmel 24C64 */
128 # define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 /* two byte address */
130 #define CONFIG_FEC_ENET 1 /* use FEC ethernet */
133 #define CONFIG_SYS_DISCOVER_PHY
139 #define CONFIG_BOOTP_BOOTFILESIZE
140 #define CONFIG_BOOTP_BOOTPATH
141 #define CONFIG_BOOTP_GATEWAY
142 #define CONFIG_BOOTP_HOSTNAME
146 * Command line configuration.
148 #include <config_cmd_default.h>
150 #define CONFIG_CMD_EEPROM
151 #define CONFIG_CMD_JFFS2
152 #define CONFIG_CMD_DATE
155 * Miscellaneous configurable options
157 #define CONFIG_SYS_LONGHELP /* undef to save a little memory */
158 #if defined(CONFIG_CMD_KGDB)
159 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
161 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
163 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
164 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
165 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
167 #define CONFIG_SYS_MEMTEST_START 0x0100000 /* memtest works on */
168 #define CONFIG_SYS_MEMTEST_END 0x0400000 /* 1 ... 4 MB in DRAM */
170 #define CONFIG_SYS_LOAD_ADDR 0x00100000
173 * Low Level Configuration Settings
174 * (address mappings, register initial values, etc.)
175 * You should know what you are doing if you make changes here.
177 /*-----------------------------------------------------------------------
178 * Internal Memory Mapped Register
180 #define CONFIG_SYS_IMMR 0xFF000000
181 #define CONFIG_SYS_IMMR_SIZE ((uint)(64 * 1024))
183 /*-----------------------------------------------------------------------
184 * Definitions for initial stack pointer and data area (in DPRAM)
186 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
187 #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
188 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
189 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
191 /*-----------------------------------------------------------------------
192 * Start addresses for the final memory configuration
193 * (Set up by the startup code)
194 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
196 #define CONFIG_SYS_SDRAM_BASE 0x00000000
197 #define CONFIG_SYS_SRAM_BASE 0xF4000000
198 #define CONFIG_SYS_SRAM_SIZE 0x04000000 /* autosize up to 64Mbyte */
200 #define CONFIG_SYS_FLASH_BASE 0xF8000000
201 #define CONFIG_SYS_FLASH_SIZE ((uint)(8 * 1024 * 1024)) /* max 8Mbyte */
203 #define CONFIG_SYS_DFLASH_BASE 0xff020000 /* DiskOnChip or NAND FLASH */
204 #define CONFIG_SYS_DFLASH_SIZE 0x00010000
206 #define CONFIG_SYS_FPGA_BASE 0xFF100000 /* Xilinx FPGA */
207 #define CONFIG_SYS_FPGA_PROG 0xFF130000 /* Programming address */
208 #define CONFIG_SYS_FPGA_SIZE 0x00040000 /* 256KiB usable */
210 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
211 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
212 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
215 * For booting Linux, the board info and command line data
216 * have to be in the first 8 MB of memory, since this is
217 * the maximum mapped by the Linux kernel during initialization.
219 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
220 /*-----------------------------------------------------------------------
223 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
224 /* Intel 28F640 has 135, 127 64K sectors in 8MB, + 8 more for 8K boot blocks.
225 * AMD 29LV641 has 128 64K sectors in 8MB
227 #define CONFIG_SYS_MAX_FLASH_SECT 135 /* max number of sectors on one chip */
229 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
230 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
232 /*-----------------------------------------------------------------------
233 * Cache Configuration
235 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
236 #if defined(CONFIG_CMD_KGDB)
237 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
240 /*-----------------------------------------------------------------------
241 * SYPCR - System Protection Control 11-9
242 * SYPCR can only be written once after reset!
243 *-----------------------------------------------------------------------
244 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
246 #if defined(CONFIG_WATCHDOG)
247 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
248 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
250 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
253 /*-----------------------------------------------------------------------
254 * SIUMCR - SIU Module Configuration 11-6
255 *-----------------------------------------------------------------------
256 * PCMCIA config., multi-function pin tri-state
258 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
260 /*-----------------------------------------------------------------------
261 * TBSCR - Time Base Status and Control 11-26
262 *-----------------------------------------------------------------------
263 * Clear Reference Interrupt Status, Timebase freezing enabled
265 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)
267 /*-----------------------------------------------------------------------
268 * PISCR - Periodic Interrupt Status and Control 11-31
269 *-----------------------------------------------------------------------
270 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
272 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
274 /*-----------------------------------------------------------------------
275 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
276 *-----------------------------------------------------------------------
277 * set the PLL, the low-power modes and the reset control (15-29)
279 #define CONFIG_SYS_PLPRCR (((MPC8XX_FACT-1) << PLPRCR_MF_SHIFT) | \
280 PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
282 /*-----------------------------------------------------------------------
283 * SCCR - System Clock and reset Control Register 15-27
284 *-----------------------------------------------------------------------
285 * Set clock output, timebase and RTC source and divider,
286 * power management and some other internal clocks
288 #define SCCR_MASK SCCR_EBDF11
289 #define CONFIG_SYS_SCCR (SCCR_TBS|SCCR_COM00|SCCR_DFSYNC00|SCCR_DFBRG00|SCCR_DFNL000|SCCR_DFNH000|SCCR_DFLCD000|SCCR_DFALCD00)
291 /*-----------------------------------------------------------------------
293 *-----------------------------------------------------------------------
296 #define CONFIG_SYS_DER 0
298 /* Because of the way the 860 starts up and assigns CS0 the
299 * entire address space, we have to set the memory controller
300 * differently. Normally, you write the option register
301 * first, and then enable the chip select by writing the
302 * base register. For CS0, you must write the base register
303 * first, followed by the option register.
307 * Init Memory Controller:
309 **********************************************************
310 * BR0 and OR0 (FLASH)
313 #define CONFIG_SYS_PRELIM_OR0_AM 0xFC000000 /* OR addr mask */
315 /* FLASH timing: ACS = 10, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 0 */
316 #define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_3_CLK | OR_TRLX)
318 #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR0_AM | CONFIG_SYS_OR_TIMING_FLASH)
320 #define CONFIG_FLASH_16BIT
321 #define CONFIG_SYS_BR0_PRELIM ((CONFIG_SYS_FLASH_BASE & BR_BA_MSK) | BR_PS_16 | BR_V )
322 #define CONFIG_SYS_FLASH_PROTECTION /* need to lock/unlock sectors in hardware */
324 /**********************************************************
326 * These preliminary values are also the final values.
328 #define CONFIG_SYS_OR_TIMING_FPGA \
329 (OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | OR_SCY_4_CLK | OR_EHTR | OR_TRLX)
330 #define CONFIG_SYS_BR1_PRELIM ((CONFIG_SYS_FPGA_BASE & BR_BA_MSK) | BR_PS_8 | BR_V )
331 #define CONFIG_SYS_OR1_PRELIM (((-CONFIG_SYS_FPGA_SIZE) & OR_AM_MSK) | CONFIG_SYS_OR_TIMING_FPGA)
333 /**********************************************************
334 * BR4 and OR4 (data flash)
335 * These preliminary values are also the final values.
337 #define CONFIG_SYS_OR_TIMING_DFLASH \
338 (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_2_CLK | OR_EHTR | OR_TRLX)
339 #define CONFIG_SYS_BR4_PRELIM ((CONFIG_SYS_DFLASH_BASE & BR_BA_MSK) | BR_PS_8 | BR_V )
340 #define CONFIG_SYS_OR4_PRELIM (((-CONFIG_SYS_DFLASH_SIZE) & OR_AM_MSK) | CONFIG_SYS_OR_TIMING_DFLASH)
342 /**********************************************************
343 * BR5/6 and OR5/6 (Dual UART)
345 #define CONFIG_SYS_DUART_SIZE 0x8000 /* 32K window, only uses 8 bytes */
346 #define CONFIG_SYS_DUARTA_BASE 0xff010000
347 #define CONFIG_SYS_DUARTB_BASE 0xff018000
350 #define DUART_OR_VALUE (ORMASK(CONFIG_SYS_DUART_SIZE) | OR_G5LS| OR_BI)
351 #define DUART_BR_VALUE (BR_MS_UPMB | BR_PS_8 | BR_V)
352 #define DUART_BR5_VALUE ((CONFIG_SYS_DUARTA_BASE & BR_BA_MSK ) | DUART_BR_VALUE)
353 #define DUART_BR6_VALUE ((CONFIG_SYS_DUARTB_BASE & BR_BA_MSK ) | DUART_BR_VALUE)
355 #define CONFIG_RESET_ON_PANIC /* reset if system panic() */
357 #define CONFIG_ENV_IS_IN_FLASH
358 #ifdef CONFIG_ENV_IS_IN_FLASH
359 /* environment is in FLASH */
360 #define CONFIG_ENV_ADDR 0xF8040000 /* AM29LV641 or AM29LV800BT */
361 #define CONFIG_ENV_ADDR_REDUND 0xF8050000 /* AM29LV641 or AM29LV800BT */
362 #define CONFIG_ENV_SECT_SIZE 0x00010000
363 #define CONFIG_ENV_SIZE 0x00002000
365 /* environment is in EEPROM */
366 #define CONFIG_ENV_IS_IN_EEPROM 1
367 #define CONFIG_ENV_OFFSET 0 /* at beginning of EEPROM */
368 #define CONFIG_ENV_SIZE 1024 /* Use only a part of it*/
372 #define CONFIG_AUTOBOOT_KEYED /* use key strings to stop autoboot */
373 #define CONFIG_AUTOBOOT_PROMPT "autoboot in %d seconds\n", bootdelay
374 #define CONFIG_AUTOBOOT_DELAY_STR "delayabit"
375 #define CONFIG_AUTOBOOT_STOP_STR " " /* easy to stop for now */
378 #endif /* __CONFIG_H */