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1 | /* | |
2 | * (C) Copyright 2008, 2009 | |
3 | * Stefan Roese, DENX Software Engineering, sr@denx.de. | |
4 | * | |
5 | * Common configuration options for all AMCC boards | |
6 | * | |
7 | * SPDX-License-Identifier: GPL-2.0+ | |
8 | */ | |
9 | ||
10 | #ifndef __AMCC_COMMON_H | |
11 | #define __AMCC_COMMON_H | |
12 | ||
13 | ||
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 */ | |
18 | ||
19 | /* | |
20 | * UART | |
21 | */ | |
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() | |
26 | #endif | |
27 | #define CONFIG_BAUDRATE 115200 | |
28 | #define CONFIG_SYS_BAUDRATE_TABLE \ | |
29 | {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400} | |
30 | ||
31 | /* | |
32 | * I2C | |
33 | */ | |
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 | |
38 | ||
39 | /* | |
40 | * Ethernet/EMAC/PHY | |
41 | */ | |
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 */ | |
47 | #else | |
48 | #define CONFIG_SYS_RX_ETH_BUFFER 16 /* number of eth rx buffers */ | |
49 | #endif | |
50 | ||
51 | /* | |
52 | * Commands | |
53 | */ | |
54 | #define CONFIG_CMD_ASKENV | |
55 | #if defined(CONFIG_440) | |
56 | #define CONFIG_CMD_CACHE | |
57 | #endif | |
58 | #define CONFIG_CMD_DHCP | |
59 | #define CONFIG_CMD_DIAG | |
60 | #define CONFIG_CMD_EEPROM | |
61 | #define CONFIG_CMD_GREPENV | |
62 | #define CONFIG_CMD_I2C | |
63 | #define CONFIG_CMD_IRQ | |
64 | #define CONFIG_CMD_MII | |
65 | #define CONFIG_CMD_PING | |
66 | #define CONFIG_CMD_REGINFO | |
67 | ||
68 | /* | |
69 | * Miscellaneous configurable options | |
70 | */ | |
71 | #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ | |
72 | #if defined(CONFIG_CMD_KGDB) | |
73 | #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ | |
74 | #else | |
75 | #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ | |
76 | #endif | |
77 | #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) | |
78 | #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ | |
79 | #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ | |
80 | ||
81 | #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */ | |
82 | #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ | |
83 | ||
84 | #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */ | |
85 | #define CONFIG_SYS_EXTBDINFO /* To use extended board_into (bd_t) */ | |
86 | ||
87 | #define CONFIG_CMDLINE_EDITING /* add command line history */ | |
88 | #define CONFIG_AUTO_COMPLETE /* add autocompletion support */ | |
89 | #define CONFIG_LOOPW /* enable loopw command */ | |
90 | #define CONFIG_MX_CYCLIC /* enable mdc/mwc commands */ | |
91 | #define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */ | |
92 | #define CONFIG_VERSION_VARIABLE /* include version env variable */ | |
93 | #define CONFIG_SYS_CONSOLE_INFO_QUIET /* don't print console @ startup*/ | |
94 | ||
95 | #define CONFIG_SYS_HUSH_PARSER /* Use the HUSH parser */ | |
96 | ||
97 | #define CONFIG_LOADS_ECHO /* echo on for serial download */ | |
98 | #define CONFIG_SYS_LOADS_BAUD_CHANGE /* allow baudrate change */ | |
99 | ||
100 | /* | |
101 | * BOOTP options | |
102 | */ | |
103 | #define CONFIG_BOOTP_BOOTFILESIZE | |
104 | #define CONFIG_BOOTP_BOOTPATH | |
105 | #define CONFIG_BOOTP_GATEWAY | |
106 | #define CONFIG_BOOTP_HOSTNAME | |
107 | #define CONFIG_BOOTP_SUBNETMASK | |
108 | ||
109 | /* | |
110 | * For booting Linux, the board info and command line data | |
111 | * have to be in the first 16 MB of memory, since this is | |
112 | * the maximum mapped by the 40x Linux kernel during initialization. | |
113 | */ | |
114 | #define CONFIG_SYS_BOOTMAPSZ (16 << 20) /* Initial Memory map for Linux */ | |
115 | #define CONFIG_SYS_BOOTM_LEN (16 << 20) /* Increase max gunzip size */ | |
116 | ||
117 | /* | |
118 | * Internal Definitions | |
119 | */ | |
120 | #if defined(CONFIG_CMD_KGDB) | |
121 | #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port*/ | |
122 | #endif | |
123 | ||
124 | /* | |
125 | * Pass open firmware flat tree | |
126 | */ | |
127 | #define CONFIG_OF_BOARD_SETUP | |
128 | /* Update size in "reg" property of NOR FLASH device tree nodes */ | |
129 | #define CONFIG_FDT_FIXUP_NOR_FLASH_SIZE | |
130 | ||
131 | /* | |
132 | * Booting and default environment | |
133 | */ | |
134 | #define CONFIG_PREBOOT "echo;" \ | |
135 | "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \ | |
136 | "echo" | |
137 | #define CONFIG_BOOTCOMMAND "run flash_self" | |
138 | ||
139 | /* | |
140 | * Only very few boards have default console not on ttyS0 (like Taishan) | |
141 | */ | |
142 | #if !defined(CONFIG_USE_TTY) | |
143 | #define CONFIG_USE_TTY ttyS0 | |
144 | #endif | |
145 | ||
146 | /* | |
147 | * Only very few boards have default netdev not set to eth0 (like Arches) | |
148 | */ | |
149 | #if !defined(CONFIG_USE_NETDEV) | |
150 | #define CONFIG_USE_NETDEV eth0 | |
151 | #endif | |
152 | ||
153 | /* | |
154 | * Only some 4xx PPC's are equipped with an FPU | |
155 | */ | |
156 | #if defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \ | |
157 | defined(CONFIG_460EX) || defined(CONFIG_460GT) | |
158 | #define CONFIG_AMCC_DEF_ENV_ROOTPATH "rootpath=/opt/eldk/ppc_4xxFP\0" | |
159 | #else | |
160 | #define CONFIG_AMCC_DEF_ENV_ROOTPATH "rootpath=/opt/eldk/ppc_4xx\0" | |
161 | #endif | |
162 | ||
163 | /* | |
164 | * Only some boards need to extend the bootargs by some additional | |
165 | * parameters (like Makalu) | |
166 | */ | |
167 | #if !defined(CONFIG_ADDMISC) | |
168 | #define CONFIG_ADDMISC "addmisc=setenv bootargs ${bootargs}\0" | |
169 | #endif | |
170 | ||
171 | /* | |
172 | * General common environment variables shared on all AMCC eval boards | |
173 | */ | |
174 | #define CONFIG_AMCC_DEF_ENV \ | |
175 | "netdev=" __stringify(CONFIG_USE_NETDEV) "\0" \ | |
176 | "nfsargs=setenv bootargs root=/dev/nfs rw " \ | |
177 | "nfsroot=${serverip}:${rootpath}\0" \ | |
178 | "ramargs=setenv bootargs root=/dev/ram rw\0" \ | |
179 | "addip=setenv bootargs ${bootargs} " \ | |
180 | "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \ | |
181 | ":${hostname}:${netdev}:off panic=1\0" \ | |
182 | "addtty=setenv bootargs ${bootargs}" \ | |
183 | " console=" __stringify(CONFIG_USE_TTY) ",${baudrate}\0" \ | |
184 | CONFIG_ADDMISC \ | |
185 | "initrd_high=30000000\0" \ | |
186 | "kernel_addr_r=1000000\0" \ | |
187 | "fdt_addr_r=1800000\0" \ | |
188 | "ramdisk_addr_r=1900000\0" \ | |
189 | "hostname=" __stringify(CONFIG_HOSTNAME) "\0" \ | |
190 | "bootfile=" __stringify(CONFIG_HOSTNAME) "/uImage\0" \ | |
191 | "ramdisk_file=" __stringify(CONFIG_HOSTNAME) "/uRamdisk\0" \ | |
192 | CONFIG_AMCC_DEF_ENV_ROOTPATH | |
193 | ||
194 | /* | |
195 | * Default environment for arch/powerpc booting | |
196 | * for boards that are ported to arch/powerpc | |
197 | */ | |
198 | #define CONFIG_AMCC_DEF_ENV_POWERPC \ | |
199 | "flash_self=run ramargs addip addtty addmisc;" \ | |
200 | "bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0" \ | |
201 | "flash_nfs=run nfsargs addip addtty addmisc;" \ | |
202 | "bootm ${kernel_addr} - ${fdt_addr}\0" \ | |
203 | "net_nfs=tftp ${kernel_addr_r} ${bootfile}; " \ | |
204 | "tftp ${fdt_addr_r} ${fdt_file}; " \ | |
205 | "run nfsargs addip addtty addmisc;" \ | |
206 | "bootm ${kernel_addr_r} - ${fdt_addr_r}\0" \ | |
207 | "net_self_load=tftp ${kernel_addr_r} ${bootfile};" \ | |
208 | "tftp ${fdt_addr_r} ${fdt_file};" \ | |
209 | "tftp ${ramdisk_addr_r} ${ramdisk_file};\0" \ | |
210 | "net_self=run net_self_load;" \ | |
211 | "run ramargs addip addtty addmisc;" \ | |
212 | "bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}\0" \ | |
213 | "fdt_file=" __stringify(CONFIG_HOSTNAME) "/" __stringify(CONFIG_HOSTNAME) ".dtb\0" | |
214 | ||
215 | /* | |
216 | * Default environment for arch/ppc booting, | |
217 | * for boards that are not ported to arch/powerpc yet | |
218 | */ | |
219 | #define CONFIG_AMCC_DEF_ENV_PPC \ | |
220 | "flash_self=run ramargs addip addtty addmisc;" \ | |
221 | "bootm ${kernel_addr} ${ramdisk_addr}\0" \ | |
222 | "flash_nfs=run nfsargs addip addtty addmisc;" \ | |
223 | "bootm ${kernel_addr}\0" \ | |
224 | "net_nfs=tftp ${kernel_addr_r} ${bootfile};" \ | |
225 | "run nfsargs addip addtty addmisc;" \ | |
226 | "bootm ${kernel_addr_r}\0" | |
227 | ||
228 | /* | |
229 | * Default environment for arch/ppc booting (old version), | |
230 | * for boards that are ported to arch/ppc and arch/powerpc | |
231 | */ | |
232 | #define CONFIG_AMCC_DEF_ENV_PPC_OLD \ | |
233 | "flash_self_old=run ramargs addip addtty addmisc;" \ | |
234 | "bootm ${kernel_addr} ${ramdisk_addr}\0" \ | |
235 | "flash_nfs_old=run nfsargs addip addtty addmisc;" \ | |
236 | "bootm ${kernel_addr}\0" \ | |
237 | "net_nfs_old=tftp ${kernel_addr_r} ${bootfile};" \ | |
238 | "run nfsargs addip addtty addmisc;" \ | |
239 | "bootm ${kernel_addr_r}\0" | |
240 | ||
241 | #define CONFIG_AMCC_DEF_ENV_NOR_UPD \ | |
242 | "u-boot=" __stringify(CONFIG_HOSTNAME) "/u-boot.bin\0" \ | |
243 | "load=tftp 200000 ${u-boot}\0" \ | |
244 | "update=protect off " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \ | |
245 | "era " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \ | |
246 | "cp.b ${fileaddr} " __stringify(CONFIG_SYS_MONITOR_BASE) " ${filesize}\0" \ | |
247 | "upd=run load update\0" \ | |
248 | ||
249 | #endif /* __AMCC_COMMON_H */ |