2 * (C) Copyright 2008, 2009
5 * Common configuration options for all AMCC boards
7 * SPDX-License-Identifier: GPL-2.0+
10 #ifndef __AMCC_COMMON_H
11 #define __AMCC_COMMON_H
14 #define CONFIG_SYS_SDRAM_BASE 0x00000000 /* _must_ be 0 */
15 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE /* Start of U-Boot */
16 #define CONFIG_SYS_MONITOR_LEN (0xFFFFFFFF - CONFIG_SYS_MONITOR_BASE + 1)
17 #define CONFIG_SYS_MALLOC_LEN (1 << 20) /* Reserved for malloc */
22 #define CONFIG_SYS_NS16550_SERIAL
23 #ifndef CONFIG_DM_SERIAL
24 #define CONFIG_SYS_NS16550_REG_SIZE 1
25 #define CONFIG_SYS_NS16550_CLK get_serial_clock()
27 #define CONFIG_BAUDRATE 115200
28 #define CONFIG_SYS_BAUDRATE_TABLE \
29 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
34 #define CONFIG_SYS_I2C
35 #define CONFIG_SYS_I2C_PPC4XX
36 #define CONFIG_SYS_I2C_PPC4XX_CH0
37 #define CONFIG_SYS_I2C_PPC4XX_SLAVE_0 0x7F
42 #define CONFIG_PPC4xx_EMAC
43 #define CONFIG_MII /* MII PHY management */
44 #define CONFIG_NETCONSOLE /* include NetConsole support */
45 #if defined(CONFIG_440)
46 #define CONFIG_SYS_RX_ETH_BUFFER 32 /* number of eth rx buffers */
48 #define CONFIG_SYS_RX_ETH_BUFFER 16 /* number of eth rx buffers */
54 #define CONFIG_CMD_ASKENV
55 #if defined(CONFIG_440)
56 #define CONFIG_CMD_CACHE
58 #define CONFIG_CMD_DHCP
59 #define CONFIG_CMD_DIAG
60 #define CONFIG_CMD_EEPROM
61 #define CONFIG_CMD_GREPENV
62 #define CONFIG_CMD_I2C
63 #define CONFIG_CMD_IRQ
64 #define CONFIG_CMD_MII
65 #define CONFIG_CMD_PING
66 #define CONFIG_CMD_REGINFO
69 * Miscellaneous configurable options
71 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
72 #define CONFIG_SYS_LONGHELP /* undef to save memory */
73 #if defined(CONFIG_CMD_KGDB)
74 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
76 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
78 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
79 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
80 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
82 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
83 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
85 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
86 #define CONFIG_SYS_EXTBDINFO /* To use extended board_into (bd_t) */
88 #define CONFIG_CMDLINE_EDITING /* add command line history */
89 #define CONFIG_AUTO_COMPLETE /* add autocompletion support */
90 #define CONFIG_LOOPW /* enable loopw command */
91 #define CONFIG_MX_CYCLIC /* enable mdc/mwc commands */
92 #define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
93 #define CONFIG_VERSION_VARIABLE /* include version env variable */
94 #define CONFIG_SYS_CONSOLE_INFO_QUIET /* don't print console @ startup*/
96 #define CONFIG_SYS_HUSH_PARSER /* Use the HUSH parser */
98 #define CONFIG_LOADS_ECHO /* echo on for serial download */
99 #define CONFIG_SYS_LOADS_BAUD_CHANGE /* allow baudrate change */
104 #define CONFIG_BOOTP_BOOTFILESIZE
105 #define CONFIG_BOOTP_BOOTPATH
106 #define CONFIG_BOOTP_GATEWAY
107 #define CONFIG_BOOTP_HOSTNAME
108 #define CONFIG_BOOTP_SUBNETMASK
111 * For booting Linux, the board info and command line data
112 * have to be in the first 16 MB of memory, since this is
113 * the maximum mapped by the 40x Linux kernel during initialization.
115 #define CONFIG_SYS_BOOTMAPSZ (16 << 20) /* Initial Memory map for Linux */
116 #define CONFIG_SYS_BOOTM_LEN (16 << 20) /* Increase max gunzip size */
119 * Internal Definitions
121 #if defined(CONFIG_CMD_KGDB)
122 #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port*/
126 * Pass open firmware flat tree
128 #define CONFIG_OF_LIBFDT
129 #define CONFIG_OF_BOARD_SETUP
130 /* Update size in "reg" property of NOR FLASH device tree nodes */
131 #define CONFIG_FDT_FIXUP_NOR_FLASH_SIZE
134 * Booting and default environment
136 #define CONFIG_PREBOOT "echo;" \
137 "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
139 #define CONFIG_BOOTCOMMAND "run flash_self"
142 * Only very few boards have default console not on ttyS0 (like Taishan)
144 #if !defined(CONFIG_USE_TTY)
145 #define CONFIG_USE_TTY ttyS0
149 * Only very few boards have default netdev not set to eth0 (like Arches)
151 #if !defined(CONFIG_USE_NETDEV)
152 #define CONFIG_USE_NETDEV eth0
156 * Only some 4xx PPC's are equipped with an FPU
158 #if defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \
159 defined(CONFIG_460EX) || defined(CONFIG_460GT)
160 #define CONFIG_AMCC_DEF_ENV_ROOTPATH "rootpath=/opt/eldk/ppc_4xxFP\0"
162 #define CONFIG_AMCC_DEF_ENV_ROOTPATH "rootpath=/opt/eldk/ppc_4xx\0"
166 * Only some boards need to extend the bootargs by some additional
167 * parameters (like Makalu)
169 #if !defined(CONFIG_ADDMISC)
170 #define CONFIG_ADDMISC "addmisc=setenv bootargs ${bootargs}\0"
174 * General common environment variables shared on all AMCC eval boards
176 #define CONFIG_AMCC_DEF_ENV \
177 "netdev=" __stringify(CONFIG_USE_NETDEV) "\0" \
178 "nfsargs=setenv bootargs root=/dev/nfs rw " \
179 "nfsroot=${serverip}:${rootpath}\0" \
180 "ramargs=setenv bootargs root=/dev/ram rw\0" \
181 "addip=setenv bootargs ${bootargs} " \
182 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
183 ":${hostname}:${netdev}:off panic=1\0" \
184 "addtty=setenv bootargs ${bootargs}" \
185 " console=" __stringify(CONFIG_USE_TTY) ",${baudrate}\0" \
187 "initrd_high=30000000\0" \
188 "kernel_addr_r=1000000\0" \
189 "fdt_addr_r=1800000\0" \
190 "ramdisk_addr_r=1900000\0" \
191 "hostname=" __stringify(CONFIG_HOSTNAME) "\0" \
192 "bootfile=" __stringify(CONFIG_HOSTNAME) "/uImage\0" \
193 "ramdisk_file=" __stringify(CONFIG_HOSTNAME) "/uRamdisk\0" \
194 CONFIG_AMCC_DEF_ENV_ROOTPATH
197 * Default environment for arch/powerpc booting
198 * for boards that are ported to arch/powerpc
200 #define CONFIG_AMCC_DEF_ENV_POWERPC \
201 "flash_self=run ramargs addip addtty addmisc;" \
202 "bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0" \
203 "flash_nfs=run nfsargs addip addtty addmisc;" \
204 "bootm ${kernel_addr} - ${fdt_addr}\0" \
205 "net_nfs=tftp ${kernel_addr_r} ${bootfile}; " \
206 "tftp ${fdt_addr_r} ${fdt_file}; " \
207 "run nfsargs addip addtty addmisc;" \
208 "bootm ${kernel_addr_r} - ${fdt_addr_r}\0" \
209 "net_self_load=tftp ${kernel_addr_r} ${bootfile};" \
210 "tftp ${fdt_addr_r} ${fdt_file};" \
211 "tftp ${ramdisk_addr_r} ${ramdisk_file};\0" \
212 "net_self=run net_self_load;" \
213 "run ramargs addip addtty addmisc;" \
214 "bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}\0" \
215 "fdt_file=" __stringify(CONFIG_HOSTNAME) "/" __stringify(CONFIG_HOSTNAME) ".dtb\0"
218 * Default environment for arch/ppc booting,
219 * for boards that are not ported to arch/powerpc yet
221 #define CONFIG_AMCC_DEF_ENV_PPC \
222 "flash_self=run ramargs addip addtty addmisc;" \
223 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
224 "flash_nfs=run nfsargs addip addtty addmisc;" \
225 "bootm ${kernel_addr}\0" \
226 "net_nfs=tftp ${kernel_addr_r} ${bootfile};" \
227 "run nfsargs addip addtty addmisc;" \
228 "bootm ${kernel_addr_r}\0"
231 * Default environment for arch/ppc booting (old version),
232 * for boards that are ported to arch/ppc and arch/powerpc
234 #define CONFIG_AMCC_DEF_ENV_PPC_OLD \
235 "flash_self_old=run ramargs addip addtty addmisc;" \
236 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
237 "flash_nfs_old=run nfsargs addip addtty addmisc;" \
238 "bootm ${kernel_addr}\0" \
239 "net_nfs_old=tftp ${kernel_addr_r} ${bootfile};" \
240 "run nfsargs addip addtty addmisc;" \
241 "bootm ${kernel_addr_r}\0"
243 #define CONFIG_AMCC_DEF_ENV_NOR_UPD \
244 "u-boot=" __stringify(CONFIG_HOSTNAME) "/u-boot.bin\0" \
245 "load=tftp 200000 ${u-boot}\0" \
246 "update=protect off " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \
247 "era " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \
248 "cp.b ${fileaddr} " __stringify(CONFIG_SYS_MONITOR_BASE) " ${filesize}\0" \
249 "upd=run load update\0" \
251 #endif /* __AMCC_COMMON_H */