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
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_DIAG
59 #define CONFIG_CMD_EEPROM
60 #define CONFIG_CMD_GREPENV
61 #define CONFIG_CMD_IRQ
62 #define CONFIG_CMD_MII
63 #define CONFIG_CMD_REGINFO
66 * Miscellaneous configurable options
68 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
69 #if defined(CONFIG_CMD_KGDB)
70 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
72 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
74 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
75 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
76 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
78 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
79 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
81 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
82 #define CONFIG_SYS_EXTBDINFO /* To use extended board_into (bd_t) */
84 #define CONFIG_CMDLINE_EDITING /* add command line history */
85 #define CONFIG_AUTO_COMPLETE /* add autocompletion support */
86 #define CONFIG_MX_CYCLIC /* enable mdc/mwc commands */
87 #define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
88 #define CONFIG_VERSION_VARIABLE /* include version env variable */
89 #define CONFIG_SYS_CONSOLE_INFO_QUIET /* don't print console @ startup*/
92 #define CONFIG_LOADS_ECHO /* echo on for serial download */
93 #define CONFIG_SYS_LOADS_BAUD_CHANGE /* allow baudrate change */
98 #define CONFIG_BOOTP_BOOTFILESIZE
99 #define CONFIG_BOOTP_BOOTPATH
100 #define CONFIG_BOOTP_GATEWAY
101 #define CONFIG_BOOTP_HOSTNAME
102 #define CONFIG_BOOTP_SUBNETMASK
105 * For booting Linux, the board info and command line data
106 * have to be in the first 16 MB of memory, since this is
107 * the maximum mapped by the 40x Linux kernel during initialization.
109 #define CONFIG_SYS_BOOTMAPSZ (16 << 20) /* Initial Memory map for Linux */
110 #define CONFIG_SYS_BOOTM_LEN (16 << 20) /* Increase max gunzip size */
113 * Internal Definitions
115 #if defined(CONFIG_CMD_KGDB)
116 #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port*/
119 /* Update size in "reg" property of NOR FLASH device tree nodes */
120 #define CONFIG_FDT_FIXUP_NOR_FLASH_SIZE
123 * Booting and default environment
125 #define CONFIG_PREBOOT "echo;" \
126 "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
128 #define CONFIG_BOOTCOMMAND "run flash_self"
131 * Only very few boards have default console not on ttyS0 (like Taishan)
133 #if !defined(CONFIG_USE_TTY)
134 #define CONFIG_USE_TTY ttyS0
138 * Only very few boards have default netdev not set to eth0 (like Arches)
140 #if !defined(CONFIG_USE_NETDEV)
141 #define CONFIG_USE_NETDEV eth0
145 * Only some 4xx PPC's are equipped with an FPU
147 #if defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \
148 defined(CONFIG_460EX) || defined(CONFIG_460GT)
149 #define CONFIG_AMCC_DEF_ENV_ROOTPATH "rootpath=/opt/eldk/ppc_4xxFP\0"
151 #define CONFIG_AMCC_DEF_ENV_ROOTPATH "rootpath=/opt/eldk/ppc_4xx\0"
155 * Only some boards need to extend the bootargs by some additional
156 * parameters (like Makalu)
158 #if !defined(CONFIG_ADDMISC)
159 #define CONFIG_ADDMISC "addmisc=setenv bootargs ${bootargs}\0"
163 * General common environment variables shared on all AMCC eval boards
165 #define CONFIG_AMCC_DEF_ENV \
166 "netdev=" __stringify(CONFIG_USE_NETDEV) "\0" \
167 "nfsargs=setenv bootargs root=/dev/nfs rw " \
168 "nfsroot=${serverip}:${rootpath}\0" \
169 "ramargs=setenv bootargs root=/dev/ram rw\0" \
170 "addip=setenv bootargs ${bootargs} " \
171 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
172 ":${hostname}:${netdev}:off panic=1\0" \
173 "addtty=setenv bootargs ${bootargs}" \
174 " console=" __stringify(CONFIG_USE_TTY) ",${baudrate}\0" \
176 "initrd_high=30000000\0" \
177 "kernel_addr_r=1000000\0" \
178 "fdt_addr_r=1800000\0" \
179 "ramdisk_addr_r=1900000\0" \
180 "hostname=" __stringify(CONFIG_HOSTNAME) "\0" \
181 "bootfile=" __stringify(CONFIG_HOSTNAME) "/uImage\0" \
182 "ramdisk_file=" __stringify(CONFIG_HOSTNAME) "/uRamdisk\0" \
183 CONFIG_AMCC_DEF_ENV_ROOTPATH
186 * Default environment for arch/powerpc booting
187 * for boards that are ported to arch/powerpc
189 #define CONFIG_AMCC_DEF_ENV_POWERPC \
190 "flash_self=run ramargs addip addtty addmisc;" \
191 "bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0" \
192 "flash_nfs=run nfsargs addip addtty addmisc;" \
193 "bootm ${kernel_addr} - ${fdt_addr}\0" \
194 "net_nfs=tftp ${kernel_addr_r} ${bootfile}; " \
195 "tftp ${fdt_addr_r} ${fdt_file}; " \
196 "run nfsargs addip addtty addmisc;" \
197 "bootm ${kernel_addr_r} - ${fdt_addr_r}\0" \
198 "net_self_load=tftp ${kernel_addr_r} ${bootfile};" \
199 "tftp ${fdt_addr_r} ${fdt_file};" \
200 "tftp ${ramdisk_addr_r} ${ramdisk_file};\0" \
201 "net_self=run net_self_load;" \
202 "run ramargs addip addtty addmisc;" \
203 "bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}\0" \
204 "fdt_file=" __stringify(CONFIG_HOSTNAME) "/" __stringify(CONFIG_HOSTNAME) ".dtb\0"
207 * Default environment for arch/ppc booting,
208 * for boards that are not ported to arch/powerpc yet
210 #define CONFIG_AMCC_DEF_ENV_PPC \
211 "flash_self=run ramargs addip addtty addmisc;" \
212 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
213 "flash_nfs=run nfsargs addip addtty addmisc;" \
214 "bootm ${kernel_addr}\0" \
215 "net_nfs=tftp ${kernel_addr_r} ${bootfile};" \
216 "run nfsargs addip addtty addmisc;" \
217 "bootm ${kernel_addr_r}\0"
220 * Default environment for arch/ppc booting (old version),
221 * for boards that are ported to arch/ppc and arch/powerpc
223 #define CONFIG_AMCC_DEF_ENV_PPC_OLD \
224 "flash_self_old=run ramargs addip addtty addmisc;" \
225 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
226 "flash_nfs_old=run nfsargs addip addtty addmisc;" \
227 "bootm ${kernel_addr}\0" \
228 "net_nfs_old=tftp ${kernel_addr_r} ${bootfile};" \
229 "run nfsargs addip addtty addmisc;" \
230 "bootm ${kernel_addr_r}\0"
232 #define CONFIG_AMCC_DEF_ENV_NOR_UPD \
233 "u-boot=" __stringify(CONFIG_HOSTNAME) "/u-boot.bin\0" \
234 "load=tftp 200000 ${u-boot}\0" \
235 "update=protect off " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \
236 "era " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \
237 "cp.b ${fileaddr} " __stringify(CONFIG_SYS_MONITOR_BASE) " ${filesize}\0" \
238 "upd=run load update\0" \
240 #endif /* __AMCC_COMMON_H */