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a8a11a9e | 1 | /* |
c8355b9d | 2 | * (C) Copyright 2008, 2009 |
a8a11a9e SR |
3 | * Stefan Roese, DENX Software Engineering, sr@denx.de. |
4 | * | |
5 | * Common configuration options for all AMCC boards | |
6 | * | |
1a459660 | 7 | * SPDX-License-Identifier: GPL-2.0+ |
a8a11a9e SR |
8 | */ |
9 | ||
10 | #ifndef __AMCC_COMMON_H | |
11 | #define __AMCC_COMMON_H | |
12 | ||
6d0f6bcf | 13 | #define CONFIG_SYS_SDRAM_BASE 0x00000000 /* _must_ be 0 */ |
14d0a02a | 14 | #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE /* Start of U-Boot */ |
6d0f6bcf JCPV |
15 | #define CONFIG_SYS_MONITOR_LEN (0xFFFFFFFF - CONFIG_SYS_MONITOR_BASE + 1) |
16 | #define CONFIG_SYS_MALLOC_LEN (1 << 20) /* Reserved for malloc */ | |
a8a11a9e SR |
17 | |
18 | /* | |
19 | * UART | |
20 | */ | |
550650dd | 21 | #define CONFIG_SYS_NS16550_SERIAL |
0e7806d2 | 22 | #ifndef CONFIG_DM_SERIAL |
550650dd SR |
23 | #define CONFIG_SYS_NS16550_REG_SIZE 1 |
24 | #define CONFIG_SYS_NS16550_CLK get_serial_clock() | |
0e7806d2 | 25 | #endif |
6d0f6bcf | 26 | #define CONFIG_SYS_BAUDRATE_TABLE \ |
a8a11a9e SR |
27 | {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400} |
28 | ||
29 | /* | |
30 | * I2C | |
31 | */ | |
880540de DE |
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 | |
a8a11a9e SR |
36 | |
37 | /* | |
38 | * Ethernet/EMAC/PHY | |
39 | */ | |
96e21f86 | 40 | #define CONFIG_PPC4xx_EMAC |
a8a11a9e | 41 | #define CONFIG_MII /* MII PHY management */ |
a8a11a9e SR |
42 | #define CONFIG_NETCONSOLE /* include NetConsole support */ |
43 | #if defined(CONFIG_440) | |
6d0f6bcf | 44 | #define CONFIG_SYS_RX_ETH_BUFFER 32 /* number of eth rx buffers */ |
a8a11a9e | 45 | #else |
6d0f6bcf | 46 | #define CONFIG_SYS_RX_ETH_BUFFER 16 /* number of eth rx buffers */ |
a8a11a9e SR |
47 | #endif |
48 | ||
49 | /* | |
50 | * Commands | |
51 | */ | |
a8a11a9e | 52 | #if defined(CONFIG_440) |
a8a11a9e | 53 | #endif |
a8a11a9e SR |
54 | #define CONFIG_CMD_REGINFO |
55 | ||
56 | /* | |
57 | * Miscellaneous configurable options | |
58 | */ | |
a8a11a9e | 59 | #if defined(CONFIG_CMD_KGDB) |
6d0f6bcf | 60 | #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ |
a8a11a9e | 61 | #else |
6d0f6bcf | 62 | #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ |
a8a11a9e | 63 | #endif |
6d0f6bcf JCPV |
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 */ | |
a8a11a9e | 67 | |
6d0f6bcf JCPV |
68 | #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */ |
69 | #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ | |
a8a11a9e | 70 | |
6d0f6bcf JCPV |
71 | #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */ |
72 | #define CONFIG_SYS_EXTBDINFO /* To use extended board_into (bd_t) */ | |
a8a11a9e | 73 | |
a8a11a9e SR |
74 | #define CONFIG_CMDLINE_EDITING /* add command line history */ |
75 | #define CONFIG_AUTO_COMPLETE /* add autocompletion support */ | |
a8a11a9e | 76 | #define CONFIG_MX_CYCLIC /* enable mdc/mwc commands */ |
a8a11a9e | 77 | |
a8a11a9e | 78 | #define CONFIG_LOADS_ECHO /* echo on for serial download */ |
c88840af | 79 | #define CONFIG_SYS_LOADS_BAUD_CHANGE /* allow baudrate change */ |
a8a11a9e SR |
80 | |
81 | /* | |
82 | * BOOTP options | |
83 | */ | |
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 | |
89 | ||
90 | /* | |
91 | * For booting Linux, the board info and command line data | |
6942efc2 SR |
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. | |
a8a11a9e | 94 | */ |
6942efc2 SR |
95 | #define CONFIG_SYS_BOOTMAPSZ (16 << 20) /* Initial Memory map for Linux */ |
96 | #define CONFIG_SYS_BOOTM_LEN (16 << 20) /* Increase max gunzip size */ | |
a8a11a9e SR |
97 | |
98 | /* | |
99 | * Internal Definitions | |
100 | */ | |
101 | #if defined(CONFIG_CMD_KGDB) | |
102 | #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port*/ | |
a8a11a9e SR |
103 | #endif |
104 | ||
92b8964b SR |
105 | /* Update size in "reg" property of NOR FLASH device tree nodes */ |
106 | #define CONFIG_FDT_FIXUP_NOR_FLASH_SIZE | |
a8a11a9e SR |
107 | |
108 | /* | |
109 | * Booting and default environment | |
110 | */ | |
111 | #define CONFIG_PREBOOT "echo;" \ | |
112 | "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \ | |
113 | "echo" | |
114 | #define CONFIG_BOOTCOMMAND "run flash_self" | |
115 | ||
116 | /* | |
117 | * Only very few boards have default console not on ttyS0 (like Taishan) | |
118 | */ | |
119 | #if !defined(CONFIG_USE_TTY) | |
120 | #define CONFIG_USE_TTY ttyS0 | |
121 | #endif | |
122 | ||
f09f09d3 AG |
123 | /* |
124 | * Only very few boards have default netdev not set to eth0 (like Arches) | |
125 | */ | |
126 | #if !defined(CONFIG_USE_NETDEV) | |
127 | #define CONFIG_USE_NETDEV eth0 | |
128 | #endif | |
129 | ||
a8a11a9e SR |
130 | /* |
131 | * Only some 4xx PPC's are equipped with an FPU | |
132 | */ | |
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" | |
136 | #else | |
137 | #define CONFIG_AMCC_DEF_ENV_ROOTPATH "rootpath=/opt/eldk/ppc_4xx\0" | |
138 | #endif | |
139 | ||
140 | /* | |
141 | * Only some boards need to extend the bootargs by some additional | |
142 | * parameters (like Makalu) | |
143 | */ | |
144 | #if !defined(CONFIG_ADDMISC) | |
145 | #define CONFIG_ADDMISC "addmisc=setenv bootargs ${bootargs}\0" | |
146 | #endif | |
147 | ||
a8a11a9e SR |
148 | /* |
149 | * General common environment variables shared on all AMCC eval boards | |
150 | */ | |
151 | #define CONFIG_AMCC_DEF_ENV \ | |
93ea89f0 | 152 | "netdev=" __stringify(CONFIG_USE_NETDEV) "\0" \ |
a8a11a9e SR |
153 | "nfsargs=setenv bootargs root=/dev/nfs rw " \ |
154 | "nfsroot=${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 ${bootargs}" \ | |
93ea89f0 | 160 | " console=" __stringify(CONFIG_USE_TTY) ",${baudrate}\0" \ |
a8a11a9e SR |
161 | CONFIG_ADDMISC \ |
162 | "initrd_high=30000000\0" \ | |
27dd5f8e SR |
163 | "kernel_addr_r=1000000\0" \ |
164 | "fdt_addr_r=1800000\0" \ | |
165 | "ramdisk_addr_r=1900000\0" \ | |
93ea89f0 MV |
166 | "hostname=" __stringify(CONFIG_HOSTNAME) "\0" \ |
167 | "bootfile=" __stringify(CONFIG_HOSTNAME) "/uImage\0" \ | |
168 | "ramdisk_file=" __stringify(CONFIG_HOSTNAME) "/uRamdisk\0" \ | |
a8a11a9e SR |
169 | CONFIG_AMCC_DEF_ENV_ROOTPATH |
170 | ||
171 | /* | |
172 | * Default environment for arch/powerpc booting | |
173 | * for boards that are ported to arch/powerpc | |
174 | */ | |
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" \ | |
f09f09d3 AG |
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" \ | |
93ea89f0 | 190 | "fdt_file=" __stringify(CONFIG_HOSTNAME) "/" __stringify(CONFIG_HOSTNAME) ".dtb\0" |
a8a11a9e SR |
191 | |
192 | /* | |
193 | * Default environment for arch/ppc booting, | |
194 | * for boards that are not ported to arch/powerpc yet | |
195 | */ | |
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" | |
204 | ||
205 | /* | |
206 | * Default environment for arch/ppc booting (old version), | |
207 | * for boards that are ported to arch/ppc and arch/powerpc | |
208 | */ | |
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" | |
217 | ||
218 | #define CONFIG_AMCC_DEF_ENV_NOR_UPD \ | |
93ea89f0 | 219 | "u-boot=" __stringify(CONFIG_HOSTNAME) "/u-boot.bin\0" \ |
c8355b9d | 220 | "load=tftp 200000 ${u-boot}\0" \ |
93ea89f0 MV |
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" \ | |
a8a11a9e SR |
224 | "upd=run load update\0" \ |
225 | ||
a8a11a9e | 226 | #endif /* __AMCC_COMMON_H */ |