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_SDRAM_BASE 0x00000000 /* _must_ be 0 */
14 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE /* Start of U-Boot */
15 #define CONFIG_SYS_MONITOR_LEN (0xFFFFFFFF - CONFIG_SYS_MONITOR_BASE + 1)
16 #define CONFIG_SYS_MALLOC_LEN (1 << 20) /* Reserved for malloc */
21 #define CONFIG_SYS_NS16550_SERIAL
22 #ifndef CONFIG_DM_SERIAL
23 #define CONFIG_SYS_NS16550_REG_SIZE 1
24 #define CONFIG_SYS_NS16550_CLK get_serial_clock()
26 #define CONFIG_BAUDRATE 115200
27 #define CONFIG_SYS_BAUDRATE_TABLE \
28 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
33 #define CONFIG_SYS_I2C
34 #define CONFIG_SYS_I2C_PPC4XX
35 #define CONFIG_SYS_I2C_PPC4XX_CH0
36 #define CONFIG_SYS_I2C_PPC4XX_SLAVE_0 0x7F
41 #define CONFIG_PPC4xx_EMAC
42 #define CONFIG_MII /* MII PHY management */
43 #define CONFIG_NETCONSOLE /* include NetConsole support */
44 #if defined(CONFIG_440)
45 #define CONFIG_SYS_RX_ETH_BUFFER 32 /* number of eth rx buffers */
47 #define CONFIG_SYS_RX_ETH_BUFFER 16 /* number of eth rx buffers */
53 #define CONFIG_CMD_ASKENV
54 #if defined(CONFIG_440)
55 #define CONFIG_CMD_CACHE
57 #define CONFIG_CMD_DIAG
58 #define CONFIG_CMD_EEPROM
59 #define CONFIG_CMD_GREPENV
60 #define CONFIG_CMD_IRQ
61 #define CONFIG_CMD_MII
62 #define CONFIG_CMD_REGINFO
65 * Miscellaneous configurable options
67 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
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)
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_MEMTEST_START 0x0400000 /* memtest works on */
78 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
80 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
81 #define CONFIG_SYS_EXTBDINFO /* To use extended board_into (bd_t) */
83 #define CONFIG_CMDLINE_EDITING /* add command line history */
84 #define CONFIG_AUTO_COMPLETE /* add autocompletion support */
85 #define CONFIG_MX_CYCLIC /* enable mdc/mwc commands */
86 #define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
87 #define CONFIG_VERSION_VARIABLE /* include version env variable */
88 #define CONFIG_SYS_CONSOLE_INFO_QUIET /* don't print console @ startup*/
90 #define CONFIG_LOADS_ECHO /* echo on for serial download */
91 #define CONFIG_SYS_LOADS_BAUD_CHANGE /* allow baudrate change */
96 #define CONFIG_BOOTP_BOOTFILESIZE
97 #define CONFIG_BOOTP_BOOTPATH
98 #define CONFIG_BOOTP_GATEWAY
99 #define CONFIG_BOOTP_HOSTNAME
100 #define CONFIG_BOOTP_SUBNETMASK
103 * For booting Linux, the board info and command line data
104 * have to be in the first 16 MB of memory, since this is
105 * the maximum mapped by the 40x Linux kernel during initialization.
107 #define CONFIG_SYS_BOOTMAPSZ (16 << 20) /* Initial Memory map for Linux */
108 #define CONFIG_SYS_BOOTM_LEN (16 << 20) /* Increase max gunzip size */
111 * Internal Definitions
113 #if defined(CONFIG_CMD_KGDB)
114 #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port*/
117 /* Update size in "reg" property of NOR FLASH device tree nodes */
118 #define CONFIG_FDT_FIXUP_NOR_FLASH_SIZE
121 * Booting and default environment
123 #define CONFIG_PREBOOT "echo;" \
124 "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
126 #define CONFIG_BOOTCOMMAND "run flash_self"
129 * Only very few boards have default console not on ttyS0 (like Taishan)
131 #if !defined(CONFIG_USE_TTY)
132 #define CONFIG_USE_TTY ttyS0
136 * Only very few boards have default netdev not set to eth0 (like Arches)
138 #if !defined(CONFIG_USE_NETDEV)
139 #define CONFIG_USE_NETDEV eth0
143 * Only some 4xx PPC's are equipped with an FPU
145 #if defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \
146 defined(CONFIG_460EX) || defined(CONFIG_460GT)
147 #define CONFIG_AMCC_DEF_ENV_ROOTPATH "rootpath=/opt/eldk/ppc_4xxFP\0"
149 #define CONFIG_AMCC_DEF_ENV_ROOTPATH "rootpath=/opt/eldk/ppc_4xx\0"
153 * Only some boards need to extend the bootargs by some additional
154 * parameters (like Makalu)
156 #if !defined(CONFIG_ADDMISC)
157 #define CONFIG_ADDMISC "addmisc=setenv bootargs ${bootargs}\0"
161 * General common environment variables shared on all AMCC eval boards
163 #define CONFIG_AMCC_DEF_ENV \
164 "netdev=" __stringify(CONFIG_USE_NETDEV) "\0" \
165 "nfsargs=setenv bootargs root=/dev/nfs rw " \
166 "nfsroot=${serverip}:${rootpath}\0" \
167 "ramargs=setenv bootargs root=/dev/ram rw\0" \
168 "addip=setenv bootargs ${bootargs} " \
169 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
170 ":${hostname}:${netdev}:off panic=1\0" \
171 "addtty=setenv bootargs ${bootargs}" \
172 " console=" __stringify(CONFIG_USE_TTY) ",${baudrate}\0" \
174 "initrd_high=30000000\0" \
175 "kernel_addr_r=1000000\0" \
176 "fdt_addr_r=1800000\0" \
177 "ramdisk_addr_r=1900000\0" \
178 "hostname=" __stringify(CONFIG_HOSTNAME) "\0" \
179 "bootfile=" __stringify(CONFIG_HOSTNAME) "/uImage\0" \
180 "ramdisk_file=" __stringify(CONFIG_HOSTNAME) "/uRamdisk\0" \
181 CONFIG_AMCC_DEF_ENV_ROOTPATH
184 * Default environment for arch/powerpc booting
185 * for boards that are ported to arch/powerpc
187 #define CONFIG_AMCC_DEF_ENV_POWERPC \
188 "flash_self=run ramargs addip addtty addmisc;" \
189 "bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0" \
190 "flash_nfs=run nfsargs addip addtty addmisc;" \
191 "bootm ${kernel_addr} - ${fdt_addr}\0" \
192 "net_nfs=tftp ${kernel_addr_r} ${bootfile}; " \
193 "tftp ${fdt_addr_r} ${fdt_file}; " \
194 "run nfsargs addip addtty addmisc;" \
195 "bootm ${kernel_addr_r} - ${fdt_addr_r}\0" \
196 "net_self_load=tftp ${kernel_addr_r} ${bootfile};" \
197 "tftp ${fdt_addr_r} ${fdt_file};" \
198 "tftp ${ramdisk_addr_r} ${ramdisk_file};\0" \
199 "net_self=run net_self_load;" \
200 "run ramargs addip addtty addmisc;" \
201 "bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}\0" \
202 "fdt_file=" __stringify(CONFIG_HOSTNAME) "/" __stringify(CONFIG_HOSTNAME) ".dtb\0"
205 * Default environment for arch/ppc booting,
206 * for boards that are not ported to arch/powerpc yet
208 #define CONFIG_AMCC_DEF_ENV_PPC \
209 "flash_self=run ramargs addip addtty addmisc;" \
210 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
211 "flash_nfs=run nfsargs addip addtty addmisc;" \
212 "bootm ${kernel_addr}\0" \
213 "net_nfs=tftp ${kernel_addr_r} ${bootfile};" \
214 "run nfsargs addip addtty addmisc;" \
215 "bootm ${kernel_addr_r}\0"
218 * Default environment for arch/ppc booting (old version),
219 * for boards that are ported to arch/ppc and arch/powerpc
221 #define CONFIG_AMCC_DEF_ENV_PPC_OLD \
222 "flash_self_old=run ramargs addip addtty addmisc;" \
223 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
224 "flash_nfs_old=run nfsargs addip addtty addmisc;" \
225 "bootm ${kernel_addr}\0" \
226 "net_nfs_old=tftp ${kernel_addr_r} ${bootfile};" \
227 "run nfsargs addip addtty addmisc;" \
228 "bootm ${kernel_addr_r}\0"
230 #define CONFIG_AMCC_DEF_ENV_NOR_UPD \
231 "u-boot=" __stringify(CONFIG_HOSTNAME) "/u-boot.bin\0" \
232 "load=tftp 200000 ${u-boot}\0" \
233 "update=protect off " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \
234 "era " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \
235 "cp.b ${fileaddr} " __stringify(CONFIG_SYS_MONITOR_BASE) " ${filesize}\0" \
236 "upd=run load update\0" \
238 #endif /* __AMCC_COMMON_H */