2 * (C) Copyright 2001-2003
3 * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
5 * SPDX-License-Identifier: GPL-2.0+
9 * board/config.h - configuration options, board specific
16 * High Level Configuration Options
20 #define CONFIG_405EP 1 /* This is a PPC405 CPU */
21 #define CONFIG_4xx 1 /* ...member of PPC4xx family */
22 #define CONFIG_DP405 1 /* ...on a DP405 board */
24 #define CONFIG_SYS_TEXT_BASE 0xFFFD0000
26 #define CONFIG_BOARD_EARLY_INIT_F 1 /* call board_early_init_f() */
27 #define CONFIG_MISC_INIT_R 1 /* call misc_init_r() */
29 #define CONFIG_SYS_CLK_FREQ 33333300 /* external frequency to pll */
31 #define CONFIG_BAUDRATE 9600
32 #define CONFIG_BOOTDELAY 3 /* autoboot after 3 seconds */
34 #undef CONFIG_BOOTARGS
35 #undef CONFIG_BOOTCOMMAND
37 #define CONFIG_PREBOOT /* enable preboot variable */
39 #define CONFIG_SYS_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
42 * Command line configuration.
44 #include <config_cmd_default.h>
46 #define CONFIG_CMD_BSP
47 #define CONFIG_CMD_ELF
48 #define CONFIG_CMD_I2C
49 #define CONFIG_CMD_EEPROM
54 #undef CONFIG_WATCHDOG /* watchdog disabled */
56 #define CONFIG_SDRAM_BANK0 1 /* init onboard SDRAM bank 0 */
58 #define CONFIG_PRAM 2 /* reserve 2 kB "protected RAM" */
61 * Miscellaneous configurable options
63 #define CONFIG_SYS_LONGHELP /* undef to save memory */
64 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
66 #undef CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */
68 #if defined(CONFIG_CMD_KGDB)
69 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
71 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
73 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
74 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
75 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
77 #define CONFIG_SYS_DEVICE_NULLDEV 1 /* include nulldev device */
79 #define CONFIG_SYS_CONSOLE_INFO_QUIET 1 /* don't print console @ startup*/
81 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
82 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
84 #define CONFIG_CONS_INDEX 1 /* Use UART0 */
85 #define CONFIG_SYS_NS16550
86 #define CONFIG_SYS_NS16550_SERIAL
87 #define CONFIG_SYS_NS16550_REG_SIZE 1
88 #define CONFIG_SYS_NS16550_CLK get_serial_clock()
90 #undef CONFIG_SYS_EXT_SERIAL_CLOCK /* no external serial clock used */
91 #define CONFIG_SYS_BASE_BAUD 691200
93 /* The following table includes the supported baudrates */
94 #define CONFIG_SYS_BAUDRATE_TABLE \
95 { 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, \
96 57600, 115200, 230400, 460800, 921600 }
98 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
99 #define CONFIG_SYS_EXTBDINFO 1 /* To use extended board_into (bd_t) */
101 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
103 #define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
105 #define CONFIG_VERSION_VARIABLE 1 /* include version env variable */
108 * For booting Linux, the board info and command line data
109 * have to be in the first 8 MB of memory, since this is
110 * the maximum mapped by the Linux kernel during initialization.
112 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
113 /*-----------------------------------------------------------------------
116 #define FLASH_BASE0_PRELIM 0xFFC00000 /* FLASH bank #0 */
118 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
119 #define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
121 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
122 #define CONFIG_SYS_FLASH_WRITE_TOUT 1000 /* Timeout for Flash Write (in ms) */
124 #define CONFIG_SYS_FLASH_WORD_SIZE unsigned short /* flash word size (width) */
125 #define CONFIG_SYS_FLASH_ADDR0 0x5555 /* 1st address for flash config cycles */
126 #define CONFIG_SYS_FLASH_ADDR1 0x2AAA /* 2nd address for flash config cycles */
128 * The following defines are added for buggy IOP480 byte interface.
129 * All other boards should use the standard values (CPCI405 etc.)
131 #define CONFIG_SYS_FLASH_READ0 0x0000 /* 0 is standard */
132 #define CONFIG_SYS_FLASH_READ1 0x0001 /* 1 is standard */
133 #define CONFIG_SYS_FLASH_READ2 0x0002 /* 2 is standard */
135 #define CONFIG_SYS_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
137 /*-----------------------------------------------------------------------
138 * Start addresses for the final memory configuration
139 * (Set up by the startup code)
140 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
142 #define CONFIG_SYS_SDRAM_BASE 0x00000000
143 #define CONFIG_SYS_FLASH_BASE CONFIG_SYS_MONITOR_BASE
144 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
145 #define CONFIG_SYS_MONITOR_LEN (~(CONFIG_SYS_TEXT_BASE) + 1)
146 #define CONFIG_SYS_MALLOC_LEN (256 * 1024)
148 #if (CONFIG_SYS_MONITOR_BASE < FLASH_BASE0_PRELIM)
149 # define CONFIG_SYS_RAMBOOT 1
151 # undef CONFIG_SYS_RAMBOOT
154 /*-----------------------------------------------------------------------
155 * Environment Variable setup
157 #define CONFIG_ENV_IS_IN_EEPROM 1 /* use EEPROM for environment vars */
158 #define CONFIG_ENV_OFFSET 0x100 /* environment starts at the beginning of the EEPROM */
159 #define CONFIG_ENV_SIZE 0x700 /* 2048 bytes may be used for env vars*/
160 /* total size of a CAT24WC16 is 2048 bytes */
162 /*-----------------------------------------------------------------------
163 * I2C EEPROM (CAT24WC16) for environment
165 #define CONFIG_SYS_I2C
166 #define CONFIG_SYS_I2C_PPC4XX
167 #define CONFIG_SYS_I2C_PPC4XX_CH0
168 #define CONFIG_SYS_I2C_PPC4XX_SPEED_0 400000
169 #define CONFIG_SYS_I2C_PPC4XX_SLAVE_0 0x7F
171 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* EEPROM CAT28WC08 */
172 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 /* Bytes of address */
173 /* mask of address bits that overflow into the "EEPROM chip address" */
174 #define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW 0x07
175 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4 /* The Catalyst CAT24WC08 has */
176 /* 16 byte page write mode using*/
177 /* last 4 bits of the address */
178 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
180 /*-----------------------------------------------------------------------
181 * External Bus Controller (EBC) Setup
184 #define CAN_BA 0xF0000000 /* CAN Base Address */
186 /* Memory Bank 0 (Flash Bank 0, NOR-FLASH) initialization */
187 #define CONFIG_SYS_EBC_PB0AP 0x92015480
188 #define CONFIG_SYS_EBC_PB0CR 0xFFC5A000 /* BAS=0xFFC,BS=4MB,BU=R/W,BW=16bit */
190 /* Memory Bank 2 (8 Bit Peripheral: CAN, UART, RTC) initialization */
191 #define CONFIG_SYS_EBC_PB2AP 0x010053C0 /* BWT=2,WBN=1,WBF=1,TH=1,RE=1,SOR=1,BEM=1 */
192 #define CONFIG_SYS_EBC_PB2CR 0xF0018000 /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit */
194 /*-----------------------------------------------------------------------
197 /* FPGA program pin configuration */
198 #define CONFIG_SYS_FPGA_PRG 0x04000000 /* JTAG TMS pin (ppc output) */
199 #define CONFIG_SYS_FPGA_CLK 0x02000000 /* JTAG TCK pin (ppc output) */
200 #define CONFIG_SYS_FPGA_DATA 0x01000000 /* JTAG TDO->TDI data pin (ppc output) */
201 #define CONFIG_SYS_FPGA_INIT 0x00010000 /* unused (ppc input) */
202 #define CONFIG_SYS_FPGA_DONE 0x00008000 /* JTAG TDI->TDO pin (ppc input) */
204 /*-----------------------------------------------------------------------
205 * Definitions for initial stack pointer and data area (in data cache)
207 /* use on chip memory ( OCM ) for temperary stack until sdram is tested */
208 #define CONFIG_SYS_TEMP_STACK_OCM 1
210 /* On Chip Memory location */
211 #define CONFIG_SYS_OCM_DATA_ADDR 0xF8000000
212 #define CONFIG_SYS_OCM_DATA_SIZE 0x1000
213 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_OCM_DATA_ADDR /* inside of SDRAM */
214 #define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_OCM_DATA_SIZE /* Size of used area in RAM */
216 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
217 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
219 /*-----------------------------------------------------------------------
220 * Definitions for GPIO setup (PPC405EP specific)
222 * GPIO0[0] - External Bus Controller BLAST output
223 * GPIO0[1-9] - Instruction trace outputs -> GPIO
224 * GPIO0[10-13] - External Bus Controller CS_1 - CS_4 outputs
225 * GPIO0[14-16] - External Bus Controller ABUS3-ABUS5 outputs -> GPIO
226 * GPIO0[17-23] - External Interrupts IRQ0 - IRQ6 inputs
227 * GPIO0[24-27] - UART0 control signal inputs/outputs
228 * GPIO0[28-29] - UART1 data signal input/output
229 * GPIO0[30-31] - EMAC0 and EMAC1 reject packet inputs
231 /* GPIO Input: OSR=00, ISR=00, TSR=00, TCR=0 */
232 /* GPIO Output: OSR=00, ISR=00, TSR=00, TCR=1 */
233 /* Alt. Funtion Input: OSR=00, ISR=01, TSR=00, TCR=0 */
234 /* Alt. Funtion Output: OSR=01, ISR=00, TSR=00, TCR=1 */
235 #define CONFIG_SYS_GPIO0_OSRL 0x40000540 /* 0 ... 15 */
236 #define CONFIG_SYS_GPIO0_OSRH 0x00000110 /* 16 ... 31 */
237 #define CONFIG_SYS_GPIO0_ISR1L 0x00000000 /* 0 ... 15 */
238 #define CONFIG_SYS_GPIO0_ISR1H 0x14000045 /* 16 ... 31 */
239 #define CONFIG_SYS_GPIO0_TSRL 0x00000000 /* 0 ... 15 */
240 #define CONFIG_SYS_GPIO0_TSRH 0x00000000 /* 16 ... 31 */
241 #define CONFIG_SYS_GPIO0_TCR 0xB7FE0014 /* 0 ... 31 */
244 * Default speed selection (cpu_plb_opb_ebc) in mhz.
245 * This value will be set if iic boot eprom is disabled.
247 #define PLLMR0_DEFAULT PLLMR0_133_66_66_33
248 #define PLLMR1_DEFAULT PLLMR1_133_66_66_33
250 #endif /* __CONFIG_H */