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1 | /* | |
2 | * (C) Copyright 2008 | |
3 | * Stefan Roese, DENX Software Engineering, sr@denx.de. | |
4 | * | |
5 | * Common configuration options for all AMCC boards | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License as | |
9 | * published by the Free Software Foundation; either version 2 of | |
10 | * the License, or (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
20 | * MA 02111-1307 USA | |
21 | */ | |
22 | ||
23 | #ifndef __AMCC_COMMON_H | |
24 | #define __AMCC_COMMON_H | |
25 | ||
26 | #define CONFIG_SYS_SDRAM_BASE 0x00000000 /* _must_ be 0 */ | |
27 | #define CONFIG_SYS_MONITOR_BASE TEXT_BASE /* Start of U-Boot */ | |
28 | #define CONFIG_SYS_MONITOR_LEN (0xFFFFFFFF - CONFIG_SYS_MONITOR_BASE + 1) | |
29 | #define CONFIG_SYS_MALLOC_LEN (1 << 20) /* Reserved for malloc */ | |
30 | ||
31 | /* | |
32 | * UART | |
33 | */ | |
34 | #define CONFIG_BAUDRATE 115200 | |
35 | #define CONFIG_SERIAL_MULTI | |
36 | #define CONFIG_SYS_BAUDRATE_TABLE \ | |
37 | {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400} | |
38 | ||
39 | /* | |
40 | * I2C | |
41 | */ | |
42 | #define CONFIG_HARD_I2C /* I2C with hardware support */ | |
43 | #define CONFIG_SYS_I2C_SLAVE 0x7F | |
44 | ||
45 | /* | |
46 | * Ethernet/EMAC/PHY | |
47 | */ | |
48 | #define CONFIG_MII /* MII PHY management */ | |
49 | #define CONFIG_NET_MULTI | |
50 | #define CONFIG_NETCONSOLE /* include NetConsole support */ | |
51 | #if defined(CONFIG_440) | |
52 | #define CONFIG_SYS_RX_ETH_BUFFER 32 /* number of eth rx buffers */ | |
53 | #else | |
54 | #define CONFIG_SYS_RX_ETH_BUFFER 16 /* number of eth rx buffers */ | |
55 | #endif | |
56 | ||
57 | /* | |
58 | * Commands | |
59 | */ | |
60 | #include <config_cmd_default.h> | |
61 | ||
62 | #define CONFIG_CMD_ASKENV | |
63 | #if defined(CONFIG_440) | |
64 | #define CONFIG_CMD_CACHE | |
65 | #endif | |
66 | #define CONFIG_CMD_DHCP | |
67 | #define CONFIG_CMD_DIAG | |
68 | #define CONFIG_CMD_EEPROM | |
69 | #define CONFIG_CMD_ELF | |
70 | #define CONFIG_CMD_I2C | |
71 | #define CONFIG_CMD_IRQ | |
72 | #define CONFIG_CMD_MII | |
73 | #define CONFIG_CMD_NET | |
74 | #define CONFIG_CMD_NFS | |
75 | #define CONFIG_CMD_PING | |
76 | #define CONFIG_CMD_REGINFO | |
77 | ||
78 | /* | |
79 | * Miscellaneous configurable options | |
80 | */ | |
81 | #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ | |
82 | #define CONFIG_SYS_LONGHELP /* undef to save memory */ | |
83 | #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */ | |
84 | #if defined(CONFIG_CMD_KGDB) | |
85 | #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ | |
86 | #else | |
87 | #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ | |
88 | #endif | |
89 | #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) | |
90 | #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ | |
91 | #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ | |
92 | ||
93 | #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */ | |
94 | #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ | |
95 | ||
96 | #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */ | |
97 | #define CONFIG_SYS_EXTBDINFO /* To use extended board_into (bd_t) */ | |
98 | ||
99 | #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */ | |
100 | ||
101 | #define CONFIG_CMDLINE_EDITING /* add command line history */ | |
102 | #define CONFIG_AUTO_COMPLETE /* add autocompletion support */ | |
103 | #define CONFIG_LOOPW /* enable loopw command */ | |
104 | #define CONFIG_MX_CYCLIC /* enable mdc/mwc commands */ | |
105 | #define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */ | |
106 | #define CONFIG_VERSION_VARIABLE /* include version env variable */ | |
107 | #define CONFIG_SYS_CONSOLE_INFO_QUIET /* don't print console @ startup*/ | |
108 | ||
109 | #define CONFIG_SYS_HUSH_PARSER /* Use the HUSH parser */ | |
110 | #ifdef CONFIG_SYS_HUSH_PARSER | |
111 | #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " | |
112 | #endif | |
113 | ||
114 | #define CONFIG_LOADS_ECHO /* echo on for serial download */ | |
115 | #define CONFIG_SYS_LOADS_BAUD_CHANGE /* allow baudrate change */ | |
116 | ||
117 | /* | |
118 | * BOOTP options | |
119 | */ | |
120 | #define CONFIG_BOOTP_BOOTFILESIZE | |
121 | #define CONFIG_BOOTP_BOOTPATH | |
122 | #define CONFIG_BOOTP_GATEWAY | |
123 | #define CONFIG_BOOTP_HOSTNAME | |
124 | #define CONFIG_BOOTP_SUBNETMASK | |
125 | ||
126 | /* | |
127 | * For booting Linux, the board info and command line data | |
128 | * have to be in the first 8 MB of memory, since this is | |
129 | * the maximum mapped by the Linux kernel during initialization. | |
130 | */ | |
131 | #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ | |
132 | ||
133 | /* | |
134 | * Internal Definitions | |
135 | */ | |
136 | #if defined(CONFIG_CMD_KGDB) | |
137 | #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port*/ | |
138 | #define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */ | |
139 | #endif | |
140 | ||
141 | /* | |
142 | * Pass open firmware flat tree | |
143 | */ | |
144 | #define CONFIG_OF_LIBFDT | |
145 | #define CONFIG_OF_BOARD_SETUP | |
146 | ||
147 | /* | |
148 | * Booting and default environment | |
149 | */ | |
150 | #define CONFIG_PREBOOT "echo;" \ | |
151 | "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \ | |
152 | "echo" | |
153 | #define CONFIG_BOOTCOMMAND "run flash_self" | |
154 | ||
155 | /* | |
156 | * Only very few boards have default console not on ttyS0 (like Taishan) | |
157 | */ | |
158 | #if !defined(CONFIG_USE_TTY) | |
159 | #define CONFIG_USE_TTY ttyS0 | |
160 | #endif | |
161 | ||
162 | /* | |
163 | * Only some 4xx PPC's are equipped with an FPU | |
164 | */ | |
165 | #if defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \ | |
166 | defined(CONFIG_460EX) || defined(CONFIG_460GT) | |
167 | #define CONFIG_AMCC_DEF_ENV_ROOTPATH "rootpath=/opt/eldk/ppc_4xxFP\0" | |
168 | #else | |
169 | #define CONFIG_AMCC_DEF_ENV_ROOTPATH "rootpath=/opt/eldk/ppc_4xx\0" | |
170 | #endif | |
171 | ||
172 | /* | |
173 | * Only some boards need to extend the bootargs by some additional | |
174 | * parameters (like Makalu) | |
175 | */ | |
176 | #if !defined(CONFIG_ADDMISC) | |
177 | #define CONFIG_ADDMISC "addmisc=setenv bootargs ${bootargs}\0" | |
178 | #endif | |
179 | ||
180 | #define xstr(s) str(s) | |
181 | #define str(s) #s | |
182 | ||
183 | /* | |
184 | * General common environment variables shared on all AMCC eval boards | |
185 | */ | |
186 | #define CONFIG_AMCC_DEF_ENV \ | |
187 | "netdev=eth0\0" \ | |
188 | "nfsargs=setenv bootargs root=/dev/nfs rw " \ | |
189 | "nfsroot=${serverip}:${rootpath}\0" \ | |
190 | "ramargs=setenv bootargs root=/dev/ram rw\0" \ | |
191 | "addip=setenv bootargs ${bootargs} " \ | |
192 | "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \ | |
193 | ":${hostname}:${netdev}:off panic=1\0" \ | |
194 | "addtty=setenv bootargs ${bootargs}" \ | |
195 | " console=" xstr(CONFIG_USE_TTY) ",${baudrate}\0" \ | |
196 | CONFIG_ADDMISC \ | |
197 | "initrd_high=30000000\0" \ | |
198 | "kernel_addr_r=400000\0" \ | |
199 | "fdt_addr_r=800000\0" \ | |
200 | "hostname=" xstr(CONFIG_HOSTNAME) "\0" \ | |
201 | "bootfile=" xstr(CONFIG_HOSTNAME) "/uImage\0" \ | |
202 | CONFIG_AMCC_DEF_ENV_ROOTPATH | |
203 | ||
204 | /* | |
205 | * Default environment for arch/powerpc booting | |
206 | * for boards that are ported to arch/powerpc | |
207 | */ | |
208 | #define CONFIG_AMCC_DEF_ENV_POWERPC \ | |
209 | "flash_self=run ramargs addip addtty addmisc;" \ | |
210 | "bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0" \ | |
211 | "flash_nfs=run nfsargs addip addtty addmisc;" \ | |
212 | "bootm ${kernel_addr} - ${fdt_addr}\0" \ | |
213 | "net_nfs=tftp ${kernel_addr_r} ${bootfile}; " \ | |
214 | "tftp ${fdt_addr_r} ${fdt_file}; " \ | |
215 | "run nfsargs addip addtty addmisc;" \ | |
216 | "bootm ${kernel_addr_r} - ${fdt_addr_r}\0" \ | |
217 | "fdt_file=" xstr(CONFIG_HOSTNAME) "/" xstr(CONFIG_HOSTNAME) ".dtb\0" | |
218 | ||
219 | /* | |
220 | * Default environment for arch/ppc booting, | |
221 | * for boards that are not ported to arch/powerpc yet | |
222 | */ | |
223 | #define CONFIG_AMCC_DEF_ENV_PPC \ | |
224 | "flash_self=run ramargs addip addtty addmisc;" \ | |
225 | "bootm ${kernel_addr} ${ramdisk_addr}\0" \ | |
226 | "flash_nfs=run nfsargs addip addtty addmisc;" \ | |
227 | "bootm ${kernel_addr}\0" \ | |
228 | "net_nfs=tftp ${kernel_addr_r} ${bootfile};" \ | |
229 | "run nfsargs addip addtty addmisc;" \ | |
230 | "bootm ${kernel_addr_r}\0" | |
231 | ||
232 | /* | |
233 | * Default environment for arch/ppc booting (old version), | |
234 | * for boards that are ported to arch/ppc and arch/powerpc | |
235 | */ | |
236 | #define CONFIG_AMCC_DEF_ENV_PPC_OLD \ | |
237 | "flash_self_old=run ramargs addip addtty addmisc;" \ | |
238 | "bootm ${kernel_addr} ${ramdisk_addr}\0" \ | |
239 | "flash_nfs_old=run nfsargs addip addtty addmisc;" \ | |
240 | "bootm ${kernel_addr}\0" \ | |
241 | "net_nfs_old=tftp ${kernel_addr_r} ${bootfile};" \ | |
242 | "run nfsargs addip addtty addmisc;" \ | |
243 | "bootm ${kernel_addr_r}\0" | |
244 | ||
245 | #define CONFIG_AMCC_DEF_ENV_NOR_UPD \ | |
246 | "load=tftp 200000 " xstr(CONFIG_HOSTNAME) "/u-boot.bin\0" \ | |
247 | "update=protect off " xstr(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \ | |
248 | "era " xstr(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \ | |
249 | "cp.b ${fileaddr} " xstr(CONFIG_SYS_MONITOR_BASE) " ${filesize};" \ | |
250 | "setenv filesize;saveenv\0" \ | |
251 | "upd=run load update\0" \ | |
252 | ||
253 | #define CONFIG_AMCC_DEF_ENV_NAND_UPD \ | |
254 | "nload=tftp 200000 " xstr(CONFIG_HOSTNAME) "/u-boot-nand.bin\0" \ | |
255 | "nupdate=nand erase 0 100000;nand write 200000 0 100000;" \ | |
256 | "setenv filesize;saveenv\0" \ | |
257 | "nupd=run nload nupdate\0" | |
258 | ||
259 | #endif /* __AMCC_COMMON_H */ |