2 * (C) Copyright 2000-2005
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * board/config.h - configuration options, board specific
32 * High Level Configuration Options
36 #define CONFIG_405EP 1 /* This is a PPC405 CPU */
37 #define CONFIG_4xx 1 /* ...member of PPC4xx family */
38 #define CONFIG_BUBINGA 1 /* ...on a BUBINGA board */
40 #define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */
42 #define CONFIG_SYS_CLK_FREQ 33333333 /* external frequency to pll */
44 #define CONFIG_NO_SERIAL_EEPROM
45 /*#undef CONFIG_NO_SERIAL_EEPROM*/
46 /*----------------------------------------------------------------------------*/
47 #ifdef CONFIG_NO_SERIAL_EEPROM
50 !-------------------------------------------------------------------------------
51 ! Defines for entry options.
52 ! Note: Because the 405EP SDRAM controller does not support ECC, ECC DIMMs that
53 ! are plugged in the board will be utilized as non-ECC DIMMs.
54 !-------------------------------------------------------------------------------
56 #define AUTO_MEMORY_CONFIG
57 #define DIMM_READ_ADDR 0xAB
58 #define DIMM_WRITE_ADDR 0xAA
61 !-------------------------------------------------------------------------------
62 ! PLL settings for 266MHz CPU, 133MHz PLB/SDRAM, 66MHz EBC, 33MHz PCI,
63 ! assuming a 33MHz input clock to the 405EP from the C9531.
64 !-------------------------------------------------------------------------------
66 #define PLLMR0_DEFAULT PLLMR0_266_133_66
67 #define PLLMR1_DEFAULT PLLMR1_266_133_66
70 /*----------------------------------------------------------------------------*/
73 * Define here the location of the environment variables (FLASH or NVRAM).
74 * Note: DENX encourages to use redundant environment in FLASH. NVRAM is only
75 * supported for backward compatibility.
78 #define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */
80 #define CFG_ENV_IS_IN_NVRAM 1 /* use NVRAM for environment vars */
83 #define CONFIG_PREBOOT "echo;" \
84 "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
87 #undef CONFIG_BOOTARGS
89 #define CONFIG_EXTRA_ENV_SETTINGS \
91 "hostname=bubinga\0" \
92 "nfsargs=setenv bootargs root=/dev/nfs rw " \
93 "nfsroot=$(serverip):$(rootpath)\0" \
94 "ramargs=setenv bootargs root=/dev/ram rw\0" \
95 "addip=setenv bootargs $(bootargs) " \
96 "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)" \
97 ":$(hostname):$(netdev):off panic=1\0" \
98 "addtty=setenv bootargs $(bootargs) console=ttyS0,$(baudrate)\0"\
99 "flash_nfs=run nfsargs addip addtty;" \
100 "bootm $(kernel_addr)\0" \
101 "flash_self=run ramargs addip addtty;" \
102 "bootm $(kernel_addr) $(ramdisk_addr)\0" \
103 "net_nfs=tftp 200000 $(bootfile);run nfsargs addip addtty;" \
105 "rootpath=/opt/eldk/ppc_4xx\0" \
106 "bootfile=/tftpboot/bubinga/uImage\0" \
107 "kernel_addr=fff80000\0" \
108 "ramdisk_addr=fff90000\0" \
109 "load=tftp 100000 /tftpboot/bubinga/u-boot.bin\0" \
110 "update=protect off fffc0000 ffffffff;era fffc0000 ffffffff;" \
111 "cp.b 100000 fffc0000 40000;" \
112 "setenv filesize;saveenv\0" \
113 "upd=run load;run update\0" \
115 #define CONFIG_BOOTCOMMAND "run net_nfs"
118 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
120 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
123 #define CONFIG_BAUDRATE 115200
125 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
126 #define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
128 #define CONFIG_MII 1 /* MII PHY management */
129 #define CONFIG_PHY_ADDR 1 /* PHY address */
131 #define CONFIG_RTC_DS174x 1 /* use DS1743 RTC in Bubinga */
133 #define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
150 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
151 #include <cmd_confdefs.h>
153 #undef CONFIG_WATCHDOG /* watchdog disabled */
155 #define CONFIG_SPD_EEPROM 1 /* use SPD EEPROM for setup */
158 * Miscellaneous configurable options
160 #define CFG_LONGHELP /* undef to save memory */
161 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
162 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
163 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
165 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
167 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
168 #define CFG_MAXARGS 16 /* max number of command args */
169 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
171 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
172 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
175 * If CFG_EXT_SERIAL_CLOCK, then the UART divisor is 1.
176 * If CFG_405_UART_ERRATA_59, then UART divisor is 31.
177 * Otherwise, UART divisor is determined by CPU Clock and CFG_BASE_BAUD value.
178 * The Linux BASE_BAUD define should match this configuration.
179 * baseBaud = cpuClock/(uartDivisor*16)
180 * If CFG_405_UART_ERRATA_59 and 200MHz CPU clock,
181 * set Linux BASE_BAUD to 403200.
183 #undef CONFIG_SERIAL_SOFTWARE_FIFO
184 #undef CFG_EXT_SERIAL_CLOCK /* external serial clock */
185 #undef CFG_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */
186 #define CFG_BASE_BAUD 691200
188 /* The following table includes the supported baudrates */
189 #define CFG_BAUDRATE_TABLE \
190 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
192 #define CFG_LOAD_ADDR 0x100000 /* default load address */
193 #define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */
195 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
197 #define CONFIG_AUTO_COMPLETE 1 /* add autocompletion support */
198 #define CONFIG_LOOPW 1 /* enable loopw command */
199 #define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
200 #define CONFIG_VERSION_VARIABLE 1 /* include version env variable */
202 #define CFG_RX_ETH_BUFFER 16 /* Number of ethernet rx buffers & descriptors */
204 /*-----------------------------------------------------------------------
206 *-----------------------------------------------------------------------
208 #define CONFIG_HARD_I2C 1 /* I2C with hardware support */
209 #undef CONFIG_SOFT_I2C /* I2C bit-banged */
210 #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
211 #define CFG_I2C_SLAVE 0x7F
213 #define CFG_I2C_NOPROBES { 0x69 } /* avoid iprobe hangup (why?) */
214 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 6 /* 24C02 requires 5ms delay */
216 #if (CONFIG_COMMANDS & CFG_CMD_EEPROM)
217 #define CFG_I2C_EEPROM_ADDR 0x50 /* I2C boot EEPROM (24C02W) */
218 #define CFG_I2C_EEPROM_ADDR_LEN 1 /* Bytes of address */
221 /*-----------------------------------------------------------------------
223 *-----------------------------------------------------------------------
225 #define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */
226 #define PCI_HOST_FORCE 1 /* configure as pci host */
227 #define PCI_HOST_AUTO 2 /* detected via arbiter enable */
229 #define CONFIG_PCI /* include pci support */
230 #define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */
231 #define CONFIG_PCI_PNP /* do pci plug-and-play */
232 /* resource configuration */
233 #define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */
235 #define CFG_PCI_SUBSYS_VENDORID 0x10e8 /* AMCC */
236 #define CFG_PCI_SUBSYS_DEVICEID 0xcafe /* Whatever */
237 #define CFG_PCI_CLASSCODE 0x0600 /* PCI Class Code: bridge/host */
238 #define CFG_PCI_PTM1LA 0x00000000 /* point to sdram */
239 #define CFG_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */
240 #define CFG_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */
241 #define CFG_PCI_PTM2LA 0x00000000 /* disabled */
242 #define CFG_PCI_PTM2MS 0x00000000 /* disabled */
243 #define CFG_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */
245 /*-----------------------------------------------------------------------
246 * External peripheral base address
247 *-----------------------------------------------------------------------
249 #define CFG_KEY_REG_BASE_ADDR 0xF0100000
250 #define CFG_IR_REG_BASE_ADDR 0xF0200000
251 #define CFG_FPGA_REG_BASE_ADDR 0xF0300000
253 /*-----------------------------------------------------------------------
254 * Start addresses for the final memory configuration
255 * (Set up by the startup code)
256 * Please note that CFG_SDRAM_BASE _must_ start at 0
258 #define CFG_SDRAM_BASE 0x00000000
259 #define CFG_SRAM_BASE 0xFFF00000
260 #define CFG_FLASH_BASE 0xFFF80000
261 #define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Monitor */
262 #define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */
263 #define CFG_MONITOR_BASE (-CFG_MONITOR_LEN)
266 * For booting Linux, the board info and command line data
267 * have to be in the first 8 MB of memory, since this is
268 * the maximum mapped by the Linux kernel during initialization.
270 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
272 /*-----------------------------------------------------------------------
275 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
276 #define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
278 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
279 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
281 #define CFG_FLASH_ADDR0 0x5555
282 #define CFG_FLASH_ADDR1 0x2aaa
283 #define CFG_FLASH_WORD_SIZE unsigned char
285 #ifdef CFG_ENV_IS_IN_FLASH
286 #define CFG_ENV_SECT_SIZE 0x10000 /* size of one complete sector */
287 #define CFG_ENV_ADDR (CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE)
288 #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
290 /* Address and size of Redundant Environment Sector */
291 #define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR-CFG_ENV_SECT_SIZE)
292 #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
293 #endif /* CFG_ENV_IS_IN_FLASH */
295 /*-----------------------------------------------------------------------
298 #define CFG_NVRAM_BASE_ADDR 0xf0000000 /* NVRAM base address */
299 #define CFG_NVRAM_SIZE 0x1ff8 /* NVRAM size */
301 #ifdef CFG_ENV_IS_IN_NVRAM
302 #define CFG_ENV_SIZE 0x0ff8 /* Size of Environment vars */
303 #define CFG_ENV_ADDR \
304 (CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-CFG_ENV_SIZE) /* Env */
306 /*-----------------------------------------------------------------------
307 * Cache Configuration
309 #define CFG_DCACHE_SIZE 16384 /* For IBM 405EP CPU */
310 #define CFG_CACHELINE_SIZE 32 /* ... */
311 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
312 #define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
316 * Init Memory Controller:
318 * BR0/1 and OR0/1 (FLASH)
321 #define FLASH_BASE0_PRELIM CFG_FLASH_BASE /* FLASH bank #0 */
322 #define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */
324 /*-----------------------------------------------------------------------
325 * Definitions for initial stack pointer and data area (in data cache)
327 /* use on chip memory ( OCM ) for temperary stack until sdram is tested */
328 #define CFG_TEMP_STACK_OCM 1
330 /* On Chip Memory location */
331 #define CFG_OCM_DATA_ADDR 0xF8000000
332 #define CFG_OCM_DATA_SIZE 0x1000
333 #define CFG_INIT_RAM_ADDR CFG_OCM_DATA_ADDR /* inside of SDRAM */
334 #define CFG_INIT_RAM_END CFG_OCM_DATA_SIZE /* End of used area in RAM */
336 #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
337 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
338 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
340 /*-----------------------------------------------------------------------
341 * External Bus Controller (EBC) Setup
344 /* Memory Bank 0 (Flash/SRAM) initialization */
345 #define CFG_EBC_PB0AP 0x04006000
346 #define CFG_EBC_PB0CR 0xFFF18000 /* BAS=0xFFF,BS=1MB,BU=R/W,BW=8bit */
348 /* Memory Bank 1 (NVRAM/RTC) initialization */
349 #define CFG_EBC_PB1AP 0x04041000
350 #define CFG_EBC_PB1CR 0xF0018000 /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit */
352 /* Memory Bank 2 (not used) initialization */
353 #define CFG_EBC_PB2AP 0x00000000
354 #define CFG_EBC_PB2CR 0x00000000
356 /* Memory Bank 2 (not used) initialization */
357 #define CFG_EBC_PB3AP 0x00000000
358 #define CFG_EBC_PB3CR 0x00000000
360 /* Memory Bank 4 (FPGA regs) initialization */
361 #define CFG_EBC_PB4AP 0x01815000
362 #define CFG_EBC_PB4CR 0xF0318000 /* BAS=0xF03,BS=1MB,BU=R/W,BW=8bit */
364 /*-----------------------------------------------------------------------
365 * Definitions for Serial Presence Detect EEPROM address
366 * (to get SDRAM settings)
368 #define SPD_EEPROM_ADDRESS 0x55
370 /*-----------------------------------------------------------------------
371 * Definitions for GPIO setup (PPC405EP specific)
373 * GPIO0[0] - External Bus Controller BLAST output
374 * GPIO0[1-9] - Instruction trace outputs
375 * GPIO0[10-13] - External Bus Controller CS_1 - CS_4 outputs
376 * GPIO0[14-16] - External Bus Controller ABUS3-ABUS5 outputs
377 * GPIO0[17-23] - External Interrupts IRQ0 - IRQ6 inputs
378 * GPIO0[24-27] - UART0 control signal inputs/outputs
379 * GPIO0[28-29] - UART1 data signal input/output
380 * GPIO0[30-31] - EMAC0 and EMAC1 reject packet inputs
382 #define CFG_GPIO0_OSRH 0x55555555
383 #define CFG_GPIO0_OSRL 0x40000110
384 #define CFG_GPIO0_ISR1H 0x00000000
385 #define CFG_GPIO0_ISR1L 0x15555445
386 #define CFG_GPIO0_TSRH 0x00000000
387 #define CFG_GPIO0_TSRL 0x00000000
388 #define CFG_GPIO0_TCR 0xFFFF8014
390 /*-----------------------------------------------------------------------
391 * Some BUBINGA stuff...
393 #define NVRAM_BASE 0xF0000000
394 #define FPGA_REG0 0xF0300000 /* FPGA Reg 0 */
395 #define FPGA_REG1 0xF0300001 /* FPGA Reg 1 */
396 #define NVRVFY1 0x4f532d4f /* used to determine if state data in */
397 #define NVRVFY2 0x50454e00 /* NVRAM initialized (ascii for OS-OPEN)*/
399 #define FPGA_REG0_F_RANGE 0x80 /* SDRAM PLL freq range */
400 #define FPGA_REG0_EXT_INT_DIS 0x20 /* External interface disable */
401 #define FPGA_REG0_LED_MASK 0x07 /* Board LEDs DS9, DS10, and DS11 */
402 #define FPGA_REG0_LED0 0x04 /* Turn on LED0 */
403 #define FPGA_REG0_LED1 0x02 /* Turn on LED1 */
404 #define FPGA_REG0_LED2 0x01 /* Turn on LED2 */
406 #define FPGA_REG1_SSPEC_DIS 0x80 /* C9531 Spread Spectrum disabled */
407 #define FPGA_REG1_OFFBD_PCICLK 0x40 /* Onboard PCI clock selected */
408 #define FPGA_REG1_CLOCK_MASK 0x30 /* Mask for C9531 output freq select */
409 #define FPGA_REG1_CLOCK_BIT_SHIFT 4
410 #define FPGA_REG1_PCI_INT_ARB 0x08 /* PCI Internal arbiter selected */
411 #define FPGA_REG1_PCI_FREQ 0x04 /* PCI Frequency select */
412 #define FPGA_REG1_OFFB_FLASH 0x02 /* Off board flash */
413 #define FPGA_REG1_SRAM_BOOT 0x01 /* SRAM at 0xFFF80000 not Flash */
416 * Internal Definitions
420 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
421 #define BOOTFLAG_WARM 0x02 /* Software reboot */
423 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
424 #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
425 #define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
428 #endif /* __CONFIG_H */