2 * (C) Copyright 2000-2004
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 * David Updegraff, Cray, Inc. dave@cray.com: our 405 is walnut-lite..
6 * SPDX-License-Identifier: GPL-2.0+
9 * board/config.h - configuration options, board specific
17 * High Level Configuration Options
21 #define CONFIG_405GP 1 /* This is a PPC405 CPU */
24 * Note: I make an "image" from U-Boot itself, which prefixes 0x40
25 * bytes of header info, hence start address is thus shifted.
27 #define CONFIG_SYS_TEXT_BASE 0xFFFD0040
29 #define CONFIG_SYS_CLK_FREQ 25000000
30 #define CONFIG_BAUDRATE 9600
31 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
33 #define CONFIG_PPC4xx_EMAC
34 #define CONFIG_MII 1 /* MII PHY management */
35 #define CONFIG_PHY_ADDR 1 /* PHY address; handling of ENET */
36 #define CONFIG_BOARD_EARLY_INIT_F 1 /* early setup for 405gp */
37 #define CONFIG_MISC_INIT_R 1 /* so that a misc_init_r() is called */
39 #define CONFIG_CONS_INDEX 1 /* Use UART0 */
40 #define CONFIG_SYS_NS16550
41 #define CONFIG_SYS_NS16550_SERIAL
42 #define CONFIG_SYS_NS16550_REG_SIZE 1
43 #define CONFIG_SYS_NS16550_CLK get_serial_clock()
45 /* set PRAM to keep U-Boot out, mem= to keep linux out, and initrd_hi to
46 * keep possible initrd ramdisk decompression out. This is in k (1024 bytes)
47 #define CONFIG_PRAM 16
49 #define CONFIG_LOADADDR 0x100000 /* where TFTP images go */
50 #undef CONFIG_BOOTARGS
52 /* Bootcmd is overridden by the bootscript in board/cray/L1
54 #define CONFIG_SYS_AUTOLOAD "no"
55 #define CONFIG_BOOTCOMMAND "dhcp"
58 * ..during experiments..
59 #define CONFIG_SERVERIP 10.0.0.1
60 #define CONFIG_ETHADDR 00:40:a6:80:14:5
62 #define CONFIG_SYS_I2C
63 #define CONFIG_SYS_I2C_PPC4XX
64 #define CONFIG_SYS_I2C_PPC4XX_CH0
65 #define CONFIG_SDRAM_BANK0 1
66 #define CONFIG_SYS_I2C_PPC4XX_SPEED_0 400000
67 #define CONFIG_SYS_I2C_PPC4XX_SLAVE_0 0x7F
68 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x57
69 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
70 #define CONFIG_IDENT_STRING "Cray L1"
71 #define CONFIG_ENV_OVERWRITE 1
72 #define CONFIG_SYS_HUSH_PARSER 1
73 #define CONFIG_SOURCE 1
77 * Command line configuration.
80 #define CONFIG_CMD_ASKENV
81 #define CONFIG_CMD_BDI
82 #define CONFIG_CMD_CONSOLE
83 #define CONFIG_CMD_DATE
84 #define CONFIG_CMD_DHCP
85 #define CONFIG_CMD_DIAG
86 #define CONFIG_CMD_ECHO
87 #define CONFIG_CMD_EEPROM
88 #define CONFIG_CMD_FLASH
89 #define CONFIG_CMD_I2C
90 #define CONFIG_CMD_IMI
91 #define CONFIG_CMD_IMMAP
92 #define CONFIG_CMD_MEMORY
93 #define CONFIG_CMD_NET
94 #define CONFIG_CMD_REGINFO
95 #define CONFIG_CMD_RUN
96 #define CONFIG_CMD_SAVEENV
97 #define CONFIG_CMD_SETGETDCR
98 #define CONFIG_CMD_SOURCE
104 #define CONFIG_BOOTP_SUBNETMASK
105 #define CONFIG_BOOTP_GATEWAY
106 #define CONFIG_BOOTP_HOSTNAME
107 #define CONFIG_BOOTP_BOOTPATH
108 #define CONFIG_BOOTP_VENDOREX
109 #define CONFIG_BOOTP_DNS
110 #define CONFIG_BOOTP_BOOTFILESIZE
114 * how many time to fail & restart a net-TFTP before giving up & resetting
115 * the board hoping that a reset of net interface might help..
117 #define CONFIG_NET_RESET 5
120 * bauds. Just to make it compile; in our case, I read the base_baud
121 * from the DCR anyway, so its kinda-tied to the above ref. clock which in turn
122 * drives the system clock.
124 #define CONFIG_SYS_BASE_BAUD 403225
125 #define CONFIG_SYS_BAUDRATE_TABLE \
126 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
129 * Miscellaneous configurable options
131 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
132 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
133 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
134 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
137 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* where to load what we get from TFTP */
138 #define CONFIG_SYS_EXTBDINFO 1 /* To use extended board_into (bd_t) */
139 #define CONFIG_SYS_DRAM_TEST 1
141 /*-----------------------------------------------------------------------
142 * Start addresses for the final memory configuration
143 * (Set up by the startup code)
144 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
146 #define CONFIG_SYS_SDRAM_BASE 0x00000000
147 #define CONFIG_SYS_FLASH_BASE 0xFFC00000
148 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
151 #define CONFIG_SYS_MONITOR_LEN (192 * 1024) /* Reserve 192 kB for Monitor */
154 * For booting Linux, the board info and command line data
155 * have to be in the first 8 MB of memory, since this is
156 * the maximum mapped by the Linux kernel during initialization.
158 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
159 /*-----------------------------------------------------------------------
162 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
163 #define CONFIG_SYS_MAX_FLASH_SECT 64 /* max number of sectors on one chip */
164 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
165 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
167 /* BEG ENVIRONNEMENT FLASH: needs to be a whole FlashSector */
168 #define CONFIG_ENV_OFFSET 0x3c8000
169 #define CONFIG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */
170 #define CONFIG_ENV_SIZE 0x1000 /* Total Size of Environment area */
171 #define CONFIG_ENV_SECT_SIZE 0x10000 /* see README - env sector total size */
173 /* Memory tests: U-BOOT relocates itself to the top of Ram, so its at
174 * 32meg-(128k+some_malloc_space+copy-of-ENV sector)..
176 #define CONFIG_SYS_SDRAM_SIZE 32 /* megs of ram */
177 #define CONFIG_SYS_MEMTEST_START 0x2000 /* memtest works from the end of */
178 /* the exception vector table */
179 /* to the end of the DRAM */
180 /* less monitor and malloc area */
181 #define CONFIG_SYS_STACK_USAGE 0x10000 /* Reserve 64k for the stack usage */
182 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* 128k for malloc space */
183 #define CONFIG_SYS_MEM_END_USAGE ( CONFIG_SYS_MONITOR_LEN \
184 + CONFIG_SYS_MALLOC_LEN \
185 + CONFIG_ENV_SECT_SIZE \
186 + CONFIG_SYS_STACK_USAGE )
188 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_SIZE * 1024 * 1024 - CONFIG_SYS_MEM_END_USAGE)
189 /* END ENVIRONNEMENT FLASH */
192 * Init Memory Controller:
194 * BR0/1 and OR0/1 (FLASH)
197 #define FLASH_BASE0_PRELIM CONFIG_SYS_FLASH_BASE /* FLASH bank #0 */
200 /*-----------------------------------------------------------------------
201 * Definitions for initial stack pointer and data area (in OnChipMem )
204 /* On Chip Memory location */
205 #define CONFIG_SYS_TEMP_STACK_OCM 1
206 #define CONFIG_SYS_OCM_DATA_ADDR 0xF0000000
207 #define CONFIG_SYS_OCM_DATA_SIZE 0x1000
209 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_OCM_DATA_ADDR /* inside of SDRAM */
210 #define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_OCM_DATA_SIZE /* Size of used area in RAM */
211 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
212 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
214 #define CONFIG_SYS_OCM_DATA_ADDR 0xF0000000
215 #define CONFIG_SYS_OCM_DATA_SIZE 0x1000
216 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_OCM_DATA_ADDR /* inside of On Chip SRAM */
217 #define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_OCM_DATA_SIZE /* Size of On Chip SRAM */
218 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
219 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
222 /*-----------------------------------------------------------------------
223 * Definitions for Serial Presence Detect EEPROM address
225 #define EEPROM_WRITE_ADDRESS 0xA0
226 #define EEPROM_READ_ADDRESS 0xA1
228 #endif /* __CONFIG_H */