2 * (C) Copyright 2008, 2009
3 * Stefan Roese, DENX Software Engineering, sr@denx.de.
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
13 #define CONFIG_SYS_GENERIC_BOARD
15 #define CONFIG_SYS_SDRAM_BASE 0x00000000 /* _must_ be 0 */
16 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE /* Start of U-Boot */
17 #define CONFIG_SYS_MONITOR_LEN (0xFFFFFFFF - CONFIG_SYS_MONITOR_BASE + 1)
18 #define CONFIG_SYS_MALLOC_LEN (1 << 20) /* Reserved for malloc */
23 #define CONFIG_SYS_NS16550
24 #define CONFIG_SYS_NS16550_SERIAL
25 #ifndef CONFIG_DM_SERIAL
26 #define CONFIG_SYS_NS16550_REG_SIZE 1
27 #define CONFIG_SYS_NS16550_CLK get_serial_clock()
29 #define CONFIG_BAUDRATE 115200
30 #define CONFIG_SYS_BAUDRATE_TABLE \
31 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
36 #define CONFIG_SYS_I2C
37 #define CONFIG_SYS_I2C_PPC4XX
38 #define CONFIG_SYS_I2C_PPC4XX_CH0
39 #define CONFIG_SYS_I2C_PPC4XX_SLAVE_0 0x7F
44 #define CONFIG_PPC4xx_EMAC
45 #define CONFIG_MII /* MII PHY management */
46 #define CONFIG_NETCONSOLE /* include NetConsole support */
47 #if defined(CONFIG_440)
48 #define CONFIG_SYS_RX_ETH_BUFFER 32 /* number of eth rx buffers */
50 #define CONFIG_SYS_RX_ETH_BUFFER 16 /* number of eth rx buffers */
56 #define CONFIG_CMD_ASKENV
57 #if defined(CONFIG_440)
58 #define CONFIG_CMD_CACHE
60 #define CONFIG_CMD_DHCP
61 #define CONFIG_CMD_DIAG
62 #define CONFIG_CMD_EEPROM
63 #define CONFIG_CMD_ELF
64 #define CONFIG_CMD_GREPENV
65 #define CONFIG_CMD_I2C
66 #define CONFIG_CMD_IRQ
67 #define CONFIG_CMD_MII
68 #define CONFIG_CMD_PING
69 #define CONFIG_CMD_REGINFO
72 * Miscellaneous configurable options
74 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
75 #define CONFIG_SYS_LONGHELP /* undef to save memory */
76 #if defined(CONFIG_CMD_KGDB)
77 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
79 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
81 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
82 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
83 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
85 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
86 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
88 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
89 #define CONFIG_SYS_EXTBDINFO /* To use extended board_into (bd_t) */
91 #define CONFIG_CMDLINE_EDITING /* add command line history */
92 #define CONFIG_AUTO_COMPLETE /* add autocompletion support */
93 #define CONFIG_LOOPW /* enable loopw command */
94 #define CONFIG_MX_CYCLIC /* enable mdc/mwc commands */
95 #define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
96 #define CONFIG_VERSION_VARIABLE /* include version env variable */
97 #define CONFIG_SYS_CONSOLE_INFO_QUIET /* don't print console @ startup*/
99 #define CONFIG_SYS_HUSH_PARSER /* Use the HUSH parser */
101 #define CONFIG_LOADS_ECHO /* echo on for serial download */
102 #define CONFIG_SYS_LOADS_BAUD_CHANGE /* allow baudrate change */
107 #define CONFIG_BOOTP_BOOTFILESIZE
108 #define CONFIG_BOOTP_BOOTPATH
109 #define CONFIG_BOOTP_GATEWAY
110 #define CONFIG_BOOTP_HOSTNAME
111 #define CONFIG_BOOTP_SUBNETMASK
114 * For booting Linux, the board info and command line data
115 * have to be in the first 16 MB of memory, since this is
116 * the maximum mapped by the 40x Linux kernel during initialization.
118 #define CONFIG_SYS_BOOTMAPSZ (16 << 20) /* Initial Memory map for Linux */
119 #define CONFIG_SYS_BOOTM_LEN (16 << 20) /* Increase max gunzip size */
122 * Internal Definitions
124 #if defined(CONFIG_CMD_KGDB)
125 #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port*/
129 * Pass open firmware flat tree
131 #define CONFIG_OF_LIBFDT
132 #define CONFIG_OF_BOARD_SETUP
133 /* Update size in "reg" property of NOR FLASH device tree nodes */
134 #define CONFIG_FDT_FIXUP_NOR_FLASH_SIZE
137 * Booting and default environment
139 #define CONFIG_PREBOOT "echo;" \
140 "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
142 #define CONFIG_BOOTCOMMAND "run flash_self"
145 * Only very few boards have default console not on ttyS0 (like Taishan)
147 #if !defined(CONFIG_USE_TTY)
148 #define CONFIG_USE_TTY ttyS0
152 * Only very few boards have default netdev not set to eth0 (like Arches)
154 #if !defined(CONFIG_USE_NETDEV)
155 #define CONFIG_USE_NETDEV eth0
159 * Only some 4xx PPC's are equipped with an FPU
161 #if defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \
162 defined(CONFIG_460EX) || defined(CONFIG_460GT)
163 #define CONFIG_AMCC_DEF_ENV_ROOTPATH "rootpath=/opt/eldk/ppc_4xxFP\0"
165 #define CONFIG_AMCC_DEF_ENV_ROOTPATH "rootpath=/opt/eldk/ppc_4xx\0"
169 * Only some boards need to extend the bootargs by some additional
170 * parameters (like Makalu)
172 #if !defined(CONFIG_ADDMISC)
173 #define CONFIG_ADDMISC "addmisc=setenv bootargs ${bootargs}\0"
177 * General common environment variables shared on all AMCC eval boards
179 #define CONFIG_AMCC_DEF_ENV \
180 "netdev=" __stringify(CONFIG_USE_NETDEV) "\0" \
181 "nfsargs=setenv bootargs root=/dev/nfs rw " \
182 "nfsroot=${serverip}:${rootpath}\0" \
183 "ramargs=setenv bootargs root=/dev/ram rw\0" \
184 "addip=setenv bootargs ${bootargs} " \
185 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
186 ":${hostname}:${netdev}:off panic=1\0" \
187 "addtty=setenv bootargs ${bootargs}" \
188 " console=" __stringify(CONFIG_USE_TTY) ",${baudrate}\0" \
190 "initrd_high=30000000\0" \
191 "kernel_addr_r=1000000\0" \
192 "fdt_addr_r=1800000\0" \
193 "ramdisk_addr_r=1900000\0" \
194 "hostname=" __stringify(CONFIG_HOSTNAME) "\0" \
195 "bootfile=" __stringify(CONFIG_HOSTNAME) "/uImage\0" \
196 "ramdisk_file=" __stringify(CONFIG_HOSTNAME) "/uRamdisk\0" \
197 CONFIG_AMCC_DEF_ENV_ROOTPATH
200 * Default environment for arch/powerpc booting
201 * for boards that are ported to arch/powerpc
203 #define CONFIG_AMCC_DEF_ENV_POWERPC \
204 "flash_self=run ramargs addip addtty addmisc;" \
205 "bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0" \
206 "flash_nfs=run nfsargs addip addtty addmisc;" \
207 "bootm ${kernel_addr} - ${fdt_addr}\0" \
208 "net_nfs=tftp ${kernel_addr_r} ${bootfile}; " \
209 "tftp ${fdt_addr_r} ${fdt_file}; " \
210 "run nfsargs addip addtty addmisc;" \
211 "bootm ${kernel_addr_r} - ${fdt_addr_r}\0" \
212 "net_self_load=tftp ${kernel_addr_r} ${bootfile};" \
213 "tftp ${fdt_addr_r} ${fdt_file};" \
214 "tftp ${ramdisk_addr_r} ${ramdisk_file};\0" \
215 "net_self=run net_self_load;" \
216 "run ramargs addip addtty addmisc;" \
217 "bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}\0" \
218 "fdt_file=" __stringify(CONFIG_HOSTNAME) "/" __stringify(CONFIG_HOSTNAME) ".dtb\0"
221 * Default environment for arch/ppc booting,
222 * for boards that are not ported to arch/powerpc yet
224 #define CONFIG_AMCC_DEF_ENV_PPC \
225 "flash_self=run ramargs addip addtty addmisc;" \
226 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
227 "flash_nfs=run nfsargs addip addtty addmisc;" \
228 "bootm ${kernel_addr}\0" \
229 "net_nfs=tftp ${kernel_addr_r} ${bootfile};" \
230 "run nfsargs addip addtty addmisc;" \
231 "bootm ${kernel_addr_r}\0"
234 * Default environment for arch/ppc booting (old version),
235 * for boards that are ported to arch/ppc and arch/powerpc
237 #define CONFIG_AMCC_DEF_ENV_PPC_OLD \
238 "flash_self_old=run ramargs addip addtty addmisc;" \
239 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
240 "flash_nfs_old=run nfsargs addip addtty addmisc;" \
241 "bootm ${kernel_addr}\0" \
242 "net_nfs_old=tftp ${kernel_addr_r} ${bootfile};" \
243 "run nfsargs addip addtty addmisc;" \
244 "bootm ${kernel_addr_r}\0"
246 #define CONFIG_AMCC_DEF_ENV_NOR_UPD \
247 "u-boot=" __stringify(CONFIG_HOSTNAME) "/u-boot.bin\0" \
248 "load=tftp 200000 ${u-boot}\0" \
249 "update=protect off " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \
250 "era " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \
251 "cp.b ${fileaddr} " __stringify(CONFIG_SYS_MONITOR_BASE) " ${filesize}\0" \
252 "upd=run load update\0" \
254 #endif /* __AMCC_COMMON_H */