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_SYS_BAUDRATE_TABLE \
27 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
32 #define CONFIG_SYS_I2C
33 #define CONFIG_SYS_I2C_PPC4XX
34 #define CONFIG_SYS_I2C_PPC4XX_CH0
35 #define CONFIG_SYS_I2C_PPC4XX_SLAVE_0 0x7F
40 #define CONFIG_PPC4xx_EMAC
41 #define CONFIG_MII /* MII PHY management */
42 #define CONFIG_NETCONSOLE /* include NetConsole support */
43 #if defined(CONFIG_440)
44 #define CONFIG_SYS_RX_ETH_BUFFER 32 /* number of eth rx buffers */
46 #define CONFIG_SYS_RX_ETH_BUFFER 16 /* number of eth rx buffers */
52 #if defined(CONFIG_440)
54 #define CONFIG_CMD_REGINFO
57 * Miscellaneous configurable options
59 #if defined(CONFIG_CMD_KGDB)
60 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
62 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
64 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
65 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
66 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
68 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
69 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
71 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
72 #define CONFIG_SYS_EXTBDINFO /* To use extended board_into (bd_t) */
74 #define CONFIG_CMDLINE_EDITING /* add command line history */
75 #define CONFIG_AUTO_COMPLETE /* add autocompletion support */
76 #define CONFIG_MX_CYCLIC /* enable mdc/mwc commands */
78 #define CONFIG_LOADS_ECHO /* echo on for serial download */
79 #define CONFIG_SYS_LOADS_BAUD_CHANGE /* allow baudrate change */
84 #define CONFIG_BOOTP_BOOTFILESIZE
85 #define CONFIG_BOOTP_BOOTPATH
86 #define CONFIG_BOOTP_GATEWAY
87 #define CONFIG_BOOTP_HOSTNAME
88 #define CONFIG_BOOTP_SUBNETMASK
91 * For booting Linux, the board info and command line data
92 * have to be in the first 16 MB of memory, since this is
93 * the maximum mapped by the 40x Linux kernel during initialization.
95 #define CONFIG_SYS_BOOTMAPSZ (16 << 20) /* Initial Memory map for Linux */
96 #define CONFIG_SYS_BOOTM_LEN (16 << 20) /* Increase max gunzip size */
99 * Internal Definitions
101 #if defined(CONFIG_CMD_KGDB)
102 #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port*/
105 /* Update size in "reg" property of NOR FLASH device tree nodes */
106 #define CONFIG_FDT_FIXUP_NOR_FLASH_SIZE
109 * Booting and default environment
111 #define CONFIG_PREBOOT "echo;" \
112 "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
114 #define CONFIG_BOOTCOMMAND "run flash_self"
117 * Only very few boards have default console not on ttyS0 (like Taishan)
119 #if !defined(CONFIG_USE_TTY)
120 #define CONFIG_USE_TTY ttyS0
124 * Only very few boards have default netdev not set to eth0 (like Arches)
126 #if !defined(CONFIG_USE_NETDEV)
127 #define CONFIG_USE_NETDEV eth0
131 * Only some 4xx PPC's are equipped with an FPU
133 #if defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \
134 defined(CONFIG_460EX) || defined(CONFIG_460GT)
135 #define CONFIG_AMCC_DEF_ENV_ROOTPATH "rootpath=/opt/eldk/ppc_4xxFP\0"
137 #define CONFIG_AMCC_DEF_ENV_ROOTPATH "rootpath=/opt/eldk/ppc_4xx\0"
141 * Only some boards need to extend the bootargs by some additional
142 * parameters (like Makalu)
144 #if !defined(CONFIG_ADDMISC)
145 #define CONFIG_ADDMISC "addmisc=setenv bootargs ${bootargs}\0"
149 * General common environment variables shared on all AMCC eval boards
151 #define CONFIG_AMCC_DEF_ENV \
152 "netdev=" __stringify(CONFIG_USE_NETDEV) "\0" \
153 "nfsargs=setenv bootargs root=/dev/nfs rw " \
154 "nfsroot=${serverip}:${rootpath}\0" \
155 "ramargs=setenv bootargs root=/dev/ram rw\0" \
156 "addip=setenv bootargs ${bootargs} " \
157 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
158 ":${hostname}:${netdev}:off panic=1\0" \
159 "addtty=setenv bootargs ${bootargs}" \
160 " console=" __stringify(CONFIG_USE_TTY) ",${baudrate}\0" \
162 "initrd_high=30000000\0" \
163 "kernel_addr_r=1000000\0" \
164 "fdt_addr_r=1800000\0" \
165 "ramdisk_addr_r=1900000\0" \
166 "hostname=" __stringify(CONFIG_HOSTNAME) "\0" \
167 "bootfile=" __stringify(CONFIG_HOSTNAME) "/uImage\0" \
168 "ramdisk_file=" __stringify(CONFIG_HOSTNAME) "/uRamdisk\0" \
169 CONFIG_AMCC_DEF_ENV_ROOTPATH
172 * Default environment for arch/powerpc booting
173 * for boards that are ported to arch/powerpc
175 #define CONFIG_AMCC_DEF_ENV_POWERPC \
176 "flash_self=run ramargs addip addtty addmisc;" \
177 "bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0" \
178 "flash_nfs=run nfsargs addip addtty addmisc;" \
179 "bootm ${kernel_addr} - ${fdt_addr}\0" \
180 "net_nfs=tftp ${kernel_addr_r} ${bootfile}; " \
181 "tftp ${fdt_addr_r} ${fdt_file}; " \
182 "run nfsargs addip addtty addmisc;" \
183 "bootm ${kernel_addr_r} - ${fdt_addr_r}\0" \
184 "net_self_load=tftp ${kernel_addr_r} ${bootfile};" \
185 "tftp ${fdt_addr_r} ${fdt_file};" \
186 "tftp ${ramdisk_addr_r} ${ramdisk_file};\0" \
187 "net_self=run net_self_load;" \
188 "run ramargs addip addtty addmisc;" \
189 "bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}\0" \
190 "fdt_file=" __stringify(CONFIG_HOSTNAME) "/" __stringify(CONFIG_HOSTNAME) ".dtb\0"
193 * Default environment for arch/ppc booting,
194 * for boards that are not ported to arch/powerpc yet
196 #define CONFIG_AMCC_DEF_ENV_PPC \
197 "flash_self=run ramargs addip addtty addmisc;" \
198 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
199 "flash_nfs=run nfsargs addip addtty addmisc;" \
200 "bootm ${kernel_addr}\0" \
201 "net_nfs=tftp ${kernel_addr_r} ${bootfile};" \
202 "run nfsargs addip addtty addmisc;" \
203 "bootm ${kernel_addr_r}\0"
206 * Default environment for arch/ppc booting (old version),
207 * for boards that are ported to arch/ppc and arch/powerpc
209 #define CONFIG_AMCC_DEF_ENV_PPC_OLD \
210 "flash_self_old=run ramargs addip addtty addmisc;" \
211 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
212 "flash_nfs_old=run nfsargs addip addtty addmisc;" \
213 "bootm ${kernel_addr}\0" \
214 "net_nfs_old=tftp ${kernel_addr_r} ${bootfile};" \
215 "run nfsargs addip addtty addmisc;" \
216 "bootm ${kernel_addr_r}\0"
218 #define CONFIG_AMCC_DEF_ENV_NOR_UPD \
219 "u-boot=" __stringify(CONFIG_HOSTNAME) "/u-boot.bin\0" \
220 "load=tftp 200000 ${u-boot}\0" \
221 "update=protect off " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \
222 "era " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \
223 "cp.b ${fileaddr} " __stringify(CONFIG_SYS_MONITOR_BASE) " ${filesize}\0" \
224 "upd=run load update\0" \
226 #endif /* __AMCC_COMMON_H */