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 #if defined(CONFIG_440)
55 #define CONFIG_CMD_DIAG
56 #define CONFIG_CMD_EEPROM
57 #define CONFIG_CMD_IRQ
58 #define CONFIG_CMD_REGINFO
61 * Miscellaneous configurable options
63 #if defined(CONFIG_CMD_KGDB)
64 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
66 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
68 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
69 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
70 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
72 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
73 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
75 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
76 #define CONFIG_SYS_EXTBDINFO /* To use extended board_into (bd_t) */
78 #define CONFIG_CMDLINE_EDITING /* add command line history */
79 #define CONFIG_AUTO_COMPLETE /* add autocompletion support */
80 #define CONFIG_MX_CYCLIC /* enable mdc/mwc commands */
82 #define CONFIG_LOADS_ECHO /* echo on for serial download */
83 #define CONFIG_SYS_LOADS_BAUD_CHANGE /* allow baudrate change */
88 #define CONFIG_BOOTP_BOOTFILESIZE
89 #define CONFIG_BOOTP_BOOTPATH
90 #define CONFIG_BOOTP_GATEWAY
91 #define CONFIG_BOOTP_HOSTNAME
92 #define CONFIG_BOOTP_SUBNETMASK
95 * For booting Linux, the board info and command line data
96 * have to be in the first 16 MB of memory, since this is
97 * the maximum mapped by the 40x Linux kernel during initialization.
99 #define CONFIG_SYS_BOOTMAPSZ (16 << 20) /* Initial Memory map for Linux */
100 #define CONFIG_SYS_BOOTM_LEN (16 << 20) /* Increase max gunzip size */
103 * Internal Definitions
105 #if defined(CONFIG_CMD_KGDB)
106 #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port*/
109 /* Update size in "reg" property of NOR FLASH device tree nodes */
110 #define CONFIG_FDT_FIXUP_NOR_FLASH_SIZE
113 * Booting and default environment
115 #define CONFIG_PREBOOT "echo;" \
116 "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
118 #define CONFIG_BOOTCOMMAND "run flash_self"
121 * Only very few boards have default console not on ttyS0 (like Taishan)
123 #if !defined(CONFIG_USE_TTY)
124 #define CONFIG_USE_TTY ttyS0
128 * Only very few boards have default netdev not set to eth0 (like Arches)
130 #if !defined(CONFIG_USE_NETDEV)
131 #define CONFIG_USE_NETDEV eth0
135 * Only some 4xx PPC's are equipped with an FPU
137 #if defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \
138 defined(CONFIG_460EX) || defined(CONFIG_460GT)
139 #define CONFIG_AMCC_DEF_ENV_ROOTPATH "rootpath=/opt/eldk/ppc_4xxFP\0"
141 #define CONFIG_AMCC_DEF_ENV_ROOTPATH "rootpath=/opt/eldk/ppc_4xx\0"
145 * Only some boards need to extend the bootargs by some additional
146 * parameters (like Makalu)
148 #if !defined(CONFIG_ADDMISC)
149 #define CONFIG_ADDMISC "addmisc=setenv bootargs ${bootargs}\0"
153 * General common environment variables shared on all AMCC eval boards
155 #define CONFIG_AMCC_DEF_ENV \
156 "netdev=" __stringify(CONFIG_USE_NETDEV) "\0" \
157 "nfsargs=setenv bootargs root=/dev/nfs rw " \
158 "nfsroot=${serverip}:${rootpath}\0" \
159 "ramargs=setenv bootargs root=/dev/ram rw\0" \
160 "addip=setenv bootargs ${bootargs} " \
161 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
162 ":${hostname}:${netdev}:off panic=1\0" \
163 "addtty=setenv bootargs ${bootargs}" \
164 " console=" __stringify(CONFIG_USE_TTY) ",${baudrate}\0" \
166 "initrd_high=30000000\0" \
167 "kernel_addr_r=1000000\0" \
168 "fdt_addr_r=1800000\0" \
169 "ramdisk_addr_r=1900000\0" \
170 "hostname=" __stringify(CONFIG_HOSTNAME) "\0" \
171 "bootfile=" __stringify(CONFIG_HOSTNAME) "/uImage\0" \
172 "ramdisk_file=" __stringify(CONFIG_HOSTNAME) "/uRamdisk\0" \
173 CONFIG_AMCC_DEF_ENV_ROOTPATH
176 * Default environment for arch/powerpc booting
177 * for boards that are ported to arch/powerpc
179 #define CONFIG_AMCC_DEF_ENV_POWERPC \
180 "flash_self=run ramargs addip addtty addmisc;" \
181 "bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0" \
182 "flash_nfs=run nfsargs addip addtty addmisc;" \
183 "bootm ${kernel_addr} - ${fdt_addr}\0" \
184 "net_nfs=tftp ${kernel_addr_r} ${bootfile}; " \
185 "tftp ${fdt_addr_r} ${fdt_file}; " \
186 "run nfsargs addip addtty addmisc;" \
187 "bootm ${kernel_addr_r} - ${fdt_addr_r}\0" \
188 "net_self_load=tftp ${kernel_addr_r} ${bootfile};" \
189 "tftp ${fdt_addr_r} ${fdt_file};" \
190 "tftp ${ramdisk_addr_r} ${ramdisk_file};\0" \
191 "net_self=run net_self_load;" \
192 "run ramargs addip addtty addmisc;" \
193 "bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}\0" \
194 "fdt_file=" __stringify(CONFIG_HOSTNAME) "/" __stringify(CONFIG_HOSTNAME) ".dtb\0"
197 * Default environment for arch/ppc booting,
198 * for boards that are not ported to arch/powerpc yet
200 #define CONFIG_AMCC_DEF_ENV_PPC \
201 "flash_self=run ramargs addip addtty addmisc;" \
202 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
203 "flash_nfs=run nfsargs addip addtty addmisc;" \
204 "bootm ${kernel_addr}\0" \
205 "net_nfs=tftp ${kernel_addr_r} ${bootfile};" \
206 "run nfsargs addip addtty addmisc;" \
207 "bootm ${kernel_addr_r}\0"
210 * Default environment for arch/ppc booting (old version),
211 * for boards that are ported to arch/ppc and arch/powerpc
213 #define CONFIG_AMCC_DEF_ENV_PPC_OLD \
214 "flash_self_old=run ramargs addip addtty addmisc;" \
215 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
216 "flash_nfs_old=run nfsargs addip addtty addmisc;" \
217 "bootm ${kernel_addr}\0" \
218 "net_nfs_old=tftp ${kernel_addr_r} ${bootfile};" \
219 "run nfsargs addip addtty addmisc;" \
220 "bootm ${kernel_addr_r}\0"
222 #define CONFIG_AMCC_DEF_ENV_NOR_UPD \
223 "u-boot=" __stringify(CONFIG_HOSTNAME) "/u-boot.bin\0" \
224 "load=tftp 200000 ${u-boot}\0" \
225 "update=protect off " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \
226 "era " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \
227 "cp.b ${fileaddr} " __stringify(CONFIG_SYS_MONITOR_BASE) " ${filesize}\0" \
228 "upd=run load update\0" \
230 #endif /* __AMCC_COMMON_H */