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 */
22 #define CONFIG_4xx 1 /* ...member of PPC405 family */
25 * Note: I make an "image" from U-Boot itself, which prefixes 0x40
26 * bytes of header info, hence start address is thus shifted.
28 #define CONFIG_SYS_TEXT_BASE 0xFFFD0040
30 #define CONFIG_SYS_CLK_FREQ 25000000
31 #define CONFIG_BAUDRATE 9600
32 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
34 #define CONFIG_PPC4xx_EMAC
35 #define CONFIG_MII 1 /* MII PHY management */
36 #define CONFIG_PHY_ADDR 1 /* PHY address; handling of ENET */
37 #define CONFIG_BOARD_EARLY_INIT_F 1 /* early setup for 405gp */
38 #define CONFIG_MISC_INIT_R 1 /* so that a misc_init_r() is called */
40 #define CONFIG_CONS_INDEX 1 /* Use UART0 */
41 #define CONFIG_SYS_NS16550
42 #define CONFIG_SYS_NS16550_SERIAL
43 #define CONFIG_SYS_NS16550_REG_SIZE 1
44 #define CONFIG_SYS_NS16550_CLK get_serial_clock()
46 /* set PRAM to keep U-Boot out, mem= to keep linux out, and initrd_hi to
47 * keep possible initrd ramdisk decompression out. This is in k (1024 bytes)
48 #define CONFIG_PRAM 16
50 #define CONFIG_LOADADDR 0x100000 /* where TFTP images go */
51 #undef CONFIG_BOOTARGS
53 /* Bootcmd is overridden by the bootscript in board/cray/L1
55 #define CONFIG_SYS_AUTOLOAD "no"
56 #define CONFIG_BOOTCOMMAND "dhcp"
59 * ..during experiments..
60 #define CONFIG_SERVERIP 10.0.0.1
61 #define CONFIG_ETHADDR 00:40:a6:80:14:5
63 #define CONFIG_SYS_I2C
64 #define CONFIG_SYS_I2C_PPC4XX
65 #define CONFIG_SYS_I2C_PPC4XX_CH0
66 #define CONFIG_SDRAM_BANK0 1
67 #define CONFIG_SYS_I2C_PPC4XX_SPEED_0 400000
68 #define CONFIG_SYS_I2C_PPC4XX_SLAVE_0 0x7F
69 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x57
70 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
71 #define CONFIG_IDENT_STRING "Cray L1"
72 #define CONFIG_ENV_OVERWRITE 1
73 #define CONFIG_SYS_HUSH_PARSER 1
74 #define CONFIG_SOURCE 1
78 * Command line configuration.
81 #define CONFIG_CMD_ASKENV
82 #define CONFIG_CMD_BDI
83 #define CONFIG_CMD_CONSOLE
84 #define CONFIG_CMD_DATE
85 #define CONFIG_CMD_DHCP
86 #define CONFIG_CMD_DIAG
87 #define CONFIG_CMD_ECHO
88 #define CONFIG_CMD_EEPROM
89 #define CONFIG_CMD_FLASH
90 #define CONFIG_CMD_I2C
91 #define CONFIG_CMD_IMI
92 #define CONFIG_CMD_IMMAP
93 #define CONFIG_CMD_MEMORY
94 #define CONFIG_CMD_NET
95 #define CONFIG_CMD_REGINFO
96 #define CONFIG_CMD_RUN
97 #define CONFIG_CMD_SAVEENV
98 #define CONFIG_CMD_SETGETDCR
99 #define CONFIG_CMD_SOURCE
105 #define CONFIG_BOOTP_SUBNETMASK
106 #define CONFIG_BOOTP_GATEWAY
107 #define CONFIG_BOOTP_HOSTNAME
108 #define CONFIG_BOOTP_BOOTPATH
109 #define CONFIG_BOOTP_VENDOREX
110 #define CONFIG_BOOTP_DNS
111 #define CONFIG_BOOTP_BOOTFILESIZE
115 * how many time to fail & restart a net-TFTP before giving up & resetting
116 * the board hoping that a reset of net interface might help..
118 #define CONFIG_NET_RESET 5
121 * bauds. Just to make it compile; in our case, I read the base_baud
122 * from the DCR anyway, so its kinda-tied to the above ref. clock which in turn
123 * drives the system clock.
125 #define CONFIG_SYS_BASE_BAUD 403225
126 #define CONFIG_SYS_BAUDRATE_TABLE \
127 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
130 * Miscellaneous configurable options
132 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
133 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
134 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
135 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
138 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* where to load what we get from TFTP */
139 #define CONFIG_SYS_EXTBDINFO 1 /* To use extended board_into (bd_t) */
140 #define CONFIG_SYS_DRAM_TEST 1
142 /*-----------------------------------------------------------------------
143 * Start addresses for the final memory configuration
144 * (Set up by the startup code)
145 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
147 #define CONFIG_SYS_SDRAM_BASE 0x00000000
148 #define CONFIG_SYS_FLASH_BASE 0xFFC00000
149 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
152 #define CONFIG_SYS_MONITOR_LEN (192 * 1024) /* Reserve 192 kB for Monitor */
155 * For booting Linux, the board info and command line data
156 * have to be in the first 8 MB of memory, since this is
157 * the maximum mapped by the Linux kernel during initialization.
159 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
160 /*-----------------------------------------------------------------------
163 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
164 #define CONFIG_SYS_MAX_FLASH_SECT 64 /* max number of sectors on one chip */
165 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
166 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
168 /* BEG ENVIRONNEMENT FLASH: needs to be a whole FlashSector */
169 #define CONFIG_ENV_OFFSET 0x3c8000
170 #define CONFIG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */
171 #define CONFIG_ENV_SIZE 0x1000 /* Total Size of Environment area */
172 #define CONFIG_ENV_SECT_SIZE 0x10000 /* see README - env sector total size */
174 /* Memory tests: U-BOOT relocates itself to the top of Ram, so its at
175 * 32meg-(128k+some_malloc_space+copy-of-ENV sector)..
177 #define CONFIG_SYS_SDRAM_SIZE 32 /* megs of ram */
178 #define CONFIG_SYS_MEMTEST_START 0x2000 /* memtest works from the end of */
179 /* the exception vector table */
180 /* to the end of the DRAM */
181 /* less monitor and malloc area */
182 #define CONFIG_SYS_STACK_USAGE 0x10000 /* Reserve 64k for the stack usage */
183 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* 128k for malloc space */
184 #define CONFIG_SYS_MEM_END_USAGE ( CONFIG_SYS_MONITOR_LEN \
185 + CONFIG_SYS_MALLOC_LEN \
186 + CONFIG_ENV_SECT_SIZE \
187 + CONFIG_SYS_STACK_USAGE )
189 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_SIZE * 1024 * 1024 - CONFIG_SYS_MEM_END_USAGE)
190 /* END ENVIRONNEMENT FLASH */
193 * Init Memory Controller:
195 * BR0/1 and OR0/1 (FLASH)
198 #define FLASH_BASE0_PRELIM CONFIG_SYS_FLASH_BASE /* FLASH bank #0 */
201 /*-----------------------------------------------------------------------
202 * Definitions for initial stack pointer and data area (in OnChipMem )
205 /* On Chip Memory location */
206 #define CONFIG_SYS_TEMP_STACK_OCM 1
207 #define CONFIG_SYS_OCM_DATA_ADDR 0xF0000000
208 #define CONFIG_SYS_OCM_DATA_SIZE 0x1000
210 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_OCM_DATA_ADDR /* inside of SDRAM */
211 #define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_OCM_DATA_SIZE /* Size of used area in RAM */
212 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
213 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
215 #define CONFIG_SYS_OCM_DATA_ADDR 0xF0000000
216 #define CONFIG_SYS_OCM_DATA_SIZE 0x1000
217 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_OCM_DATA_ADDR /* inside of On Chip SRAM */
218 #define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_OCM_DATA_SIZE /* Size of On Chip SRAM */
219 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
220 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
223 /*-----------------------------------------------------------------------
224 * Definitions for Serial Presence Detect EEPROM address
226 #define EEPROM_WRITE_ADDRESS 0xA0
227 #define EEPROM_READ_ADDRESS 0xA1
229 #endif /* __CONFIG_H */