2 * (C) Copyright 2001-2003
3 * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
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_DP405 1 /* ...on a DP405 board */
40 #define CONFIG_SYS_TEXT_BASE 0xFFFD0000
42 #define CONFIG_BOARD_EARLY_INIT_F 1 /* call board_early_init_f() */
43 #define CONFIG_MISC_INIT_R 1 /* call misc_init_r() */
45 #define CONFIG_SYS_CLK_FREQ 33333300 /* external frequency to pll */
47 #define CONFIG_BAUDRATE 9600
48 #define CONFIG_BOOTDELAY 3 /* autoboot after 3 seconds */
50 #undef CONFIG_BOOTARGS
51 #undef CONFIG_BOOTCOMMAND
53 #define CONFIG_PREBOOT /* enable preboot variable */
55 #define CONFIG_SYS_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
58 * Command line configuration.
60 #include <config_cmd_default.h>
62 #define CONFIG_CMD_BSP
63 #define CONFIG_CMD_ELF
64 #define CONFIG_CMD_I2C
65 #define CONFIG_CMD_EEPROM
70 #undef CONFIG_WATCHDOG /* watchdog disabled */
72 #define CONFIG_SDRAM_BANK0 1 /* init onboard SDRAM bank 0 */
74 #define CONFIG_PRAM 2 /* reserve 2 kB "protected RAM" */
77 * Miscellaneous configurable options
79 #define CONFIG_SYS_LONGHELP /* undef to save memory */
80 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
82 #undef CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */
84 #if defined(CONFIG_CMD_KGDB)
85 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
87 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
89 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
90 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
91 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
93 #define CONFIG_SYS_DEVICE_NULLDEV 1 /* include nulldev device */
95 #define CONFIG_SYS_CONSOLE_INFO_QUIET 1 /* don't print console @ startup*/
97 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
98 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
100 #define CONFIG_CONS_INDEX 1 /* Use UART0 */
101 #define CONFIG_SYS_NS16550
102 #define CONFIG_SYS_NS16550_SERIAL
103 #define CONFIG_SYS_NS16550_REG_SIZE 1
104 #define CONFIG_SYS_NS16550_CLK get_serial_clock()
106 #undef CONFIG_SYS_EXT_SERIAL_CLOCK /* no external serial clock used */
107 #define CONFIG_SYS_BASE_BAUD 691200
109 /* The following table includes the supported baudrates */
110 #define CONFIG_SYS_BAUDRATE_TABLE \
111 { 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, \
112 57600, 115200, 230400, 460800, 921600 }
114 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
115 #define CONFIG_SYS_EXTBDINFO 1 /* To use extended board_into (bd_t) */
117 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
119 #define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
121 #define CONFIG_VERSION_VARIABLE 1 /* include version env variable */
124 * For booting Linux, the board info and command line data
125 * have to be in the first 8 MB of memory, since this is
126 * the maximum mapped by the Linux kernel during initialization.
128 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
129 /*-----------------------------------------------------------------------
132 #define FLASH_BASE0_PRELIM 0xFFC00000 /* FLASH bank #0 */
134 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
135 #define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
137 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
138 #define CONFIG_SYS_FLASH_WRITE_TOUT 1000 /* Timeout for Flash Write (in ms) */
140 #define CONFIG_SYS_FLASH_WORD_SIZE unsigned short /* flash word size (width) */
141 #define CONFIG_SYS_FLASH_ADDR0 0x5555 /* 1st address for flash config cycles */
142 #define CONFIG_SYS_FLASH_ADDR1 0x2AAA /* 2nd address for flash config cycles */
144 * The following defines are added for buggy IOP480 byte interface.
145 * All other boards should use the standard values (CPCI405 etc.)
147 #define CONFIG_SYS_FLASH_READ0 0x0000 /* 0 is standard */
148 #define CONFIG_SYS_FLASH_READ1 0x0001 /* 1 is standard */
149 #define CONFIG_SYS_FLASH_READ2 0x0002 /* 2 is standard */
151 #define CONFIG_SYS_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
153 /*-----------------------------------------------------------------------
154 * Start addresses for the final memory configuration
155 * (Set up by the startup code)
156 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
158 #define CONFIG_SYS_SDRAM_BASE 0x00000000
159 #define CONFIG_SYS_FLASH_BASE CONFIG_SYS_MONITOR_BASE
160 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
161 #define CONFIG_SYS_MONITOR_LEN (~(CONFIG_SYS_TEXT_BASE) + 1)
162 #define CONFIG_SYS_MALLOC_LEN (256 * 1024)
164 #if (CONFIG_SYS_MONITOR_BASE < FLASH_BASE0_PRELIM)
165 # define CONFIG_SYS_RAMBOOT 1
167 # undef CONFIG_SYS_RAMBOOT
170 /*-----------------------------------------------------------------------
171 * Environment Variable setup
173 #define CONFIG_ENV_IS_IN_EEPROM 1 /* use EEPROM for environment vars */
174 #define CONFIG_ENV_OFFSET 0x100 /* environment starts at the beginning of the EEPROM */
175 #define CONFIG_ENV_SIZE 0x700 /* 2048 bytes may be used for env vars*/
176 /* total size of a CAT24WC16 is 2048 bytes */
178 /*-----------------------------------------------------------------------
179 * I2C EEPROM (CAT24WC16) for environment
181 #define CONFIG_HARD_I2C /* I2c with hardware support */
182 #define CONFIG_PPC4XX_I2C /* use PPC4xx driver */
183 #define CONFIG_SYS_I2C_SPEED 400000 /* I2C speed and slave address */
184 #define CONFIG_SYS_I2C_SLAVE 0x7F
186 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* EEPROM CAT28WC08 */
187 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 /* Bytes of address */
188 /* mask of address bits that overflow into the "EEPROM chip address" */
189 #define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW 0x07
190 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4 /* The Catalyst CAT24WC08 has */
191 /* 16 byte page write mode using*/
192 /* last 4 bits of the address */
193 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
195 /*-----------------------------------------------------------------------
196 * External Bus Controller (EBC) Setup
199 #define CAN_BA 0xF0000000 /* CAN Base Address */
201 /* Memory Bank 0 (Flash Bank 0, NOR-FLASH) initialization */
202 #define CONFIG_SYS_EBC_PB0AP 0x92015480
203 #define CONFIG_SYS_EBC_PB0CR 0xFFC5A000 /* BAS=0xFFC,BS=4MB,BU=R/W,BW=16bit */
205 /* Memory Bank 2 (8 Bit Peripheral: CAN, UART, RTC) initialization */
206 #define CONFIG_SYS_EBC_PB2AP 0x010053C0 /* BWT=2,WBN=1,WBF=1,TH=1,RE=1,SOR=1,BEM=1 */
207 #define CONFIG_SYS_EBC_PB2CR 0xF0018000 /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit */
209 /*-----------------------------------------------------------------------
212 /* FPGA program pin configuration */
213 #define CONFIG_SYS_FPGA_PRG 0x04000000 /* JTAG TMS pin (ppc output) */
214 #define CONFIG_SYS_FPGA_CLK 0x02000000 /* JTAG TCK pin (ppc output) */
215 #define CONFIG_SYS_FPGA_DATA 0x01000000 /* JTAG TDO->TDI data pin (ppc output) */
216 #define CONFIG_SYS_FPGA_INIT 0x00010000 /* unused (ppc input) */
217 #define CONFIG_SYS_FPGA_DONE 0x00008000 /* JTAG TDI->TDO pin (ppc input) */
219 /*-----------------------------------------------------------------------
220 * Definitions for initial stack pointer and data area (in data cache)
222 /* use on chip memory ( OCM ) for temperary stack until sdram is tested */
223 #define CONFIG_SYS_TEMP_STACK_OCM 1
225 /* On Chip Memory location */
226 #define CONFIG_SYS_OCM_DATA_ADDR 0xF8000000
227 #define CONFIG_SYS_OCM_DATA_SIZE 0x1000
228 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_OCM_DATA_ADDR /* inside of SDRAM */
229 #define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_OCM_DATA_SIZE /* Size of used area in RAM */
231 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
232 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
234 /*-----------------------------------------------------------------------
235 * Definitions for GPIO setup (PPC405EP specific)
237 * GPIO0[0] - External Bus Controller BLAST output
238 * GPIO0[1-9] - Instruction trace outputs -> GPIO
239 * GPIO0[10-13] - External Bus Controller CS_1 - CS_4 outputs
240 * GPIO0[14-16] - External Bus Controller ABUS3-ABUS5 outputs -> GPIO
241 * GPIO0[17-23] - External Interrupts IRQ0 - IRQ6 inputs
242 * GPIO0[24-27] - UART0 control signal inputs/outputs
243 * GPIO0[28-29] - UART1 data signal input/output
244 * GPIO0[30-31] - EMAC0 and EMAC1 reject packet inputs
246 /* GPIO Input: OSR=00, ISR=00, TSR=00, TCR=0 */
247 /* GPIO Output: OSR=00, ISR=00, TSR=00, TCR=1 */
248 /* Alt. Funtion Input: OSR=00, ISR=01, TSR=00, TCR=0 */
249 /* Alt. Funtion Output: OSR=01, ISR=00, TSR=00, TCR=1 */
250 #define CONFIG_SYS_GPIO0_OSRL 0x40000540 /* 0 ... 15 */
251 #define CONFIG_SYS_GPIO0_OSRH 0x00000110 /* 16 ... 31 */
252 #define CONFIG_SYS_GPIO0_ISR1L 0x00000000 /* 0 ... 15 */
253 #define CONFIG_SYS_GPIO0_ISR1H 0x14000045 /* 16 ... 31 */
254 #define CONFIG_SYS_GPIO0_TSRL 0x00000000 /* 0 ... 15 */
255 #define CONFIG_SYS_GPIO0_TSRH 0x00000000 /* 16 ... 31 */
256 #define CONFIG_SYS_GPIO0_TCR 0xB7FE0014 /* 0 ... 31 */
259 * Default speed selection (cpu_plb_opb_ebc) in mhz.
260 * This value will be set if iic boot eprom is disabled.
262 #define PLLMR0_DEFAULT PLLMR0_133_66_66_33
263 #define PLLMR1_DEFAULT PLLMR1_133_66_66_33
265 #endif /* __CONFIG_H */