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a8a11a9e 1/*
c8355b9d 2 * (C) Copyright 2008, 2009
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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+
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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 */
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15#define CONFIG_SYS_MONITOR_LEN (0xFFFFFFFF - CONFIG_SYS_MONITOR_BASE + 1)
16#define CONFIG_SYS_MALLOC_LEN (1 << 20) /* Reserved for malloc */
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17
18/*
19 * UART
20 */
550650dd 21#define CONFIG_SYS_NS16550_SERIAL
0e7806d2 22#ifndef CONFIG_DM_SERIAL
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23#define CONFIG_SYS_NS16550_REG_SIZE 1
24#define CONFIG_SYS_NS16550_CLK get_serial_clock()
0e7806d2 25#endif
550650dd 26#define CONFIG_BAUDRATE 115200
6d0f6bcf 27#define CONFIG_SYS_BAUDRATE_TABLE \
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28 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
29
30/*
31 * I2C
32 */
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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
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37
38/*
39 * Ethernet/EMAC/PHY
40 */
96e21f86 41#define CONFIG_PPC4xx_EMAC
a8a11a9e 42#define CONFIG_MII /* MII PHY management */
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43#define CONFIG_NETCONSOLE /* include NetConsole support */
44#if defined(CONFIG_440)
6d0f6bcf 45#define CONFIG_SYS_RX_ETH_BUFFER 32 /* number of eth rx buffers */
a8a11a9e 46#else
6d0f6bcf 47#define CONFIG_SYS_RX_ETH_BUFFER 16 /* number of eth rx buffers */
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48#endif
49
50/*
51 * Commands
52 */
a8a11a9e 53#if defined(CONFIG_440)
a8a11a9e 54#endif
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55#define CONFIG_CMD_DIAG
56#define CONFIG_CMD_EEPROM
a8a11a9e 57#define CONFIG_CMD_IRQ
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58#define CONFIG_CMD_REGINFO
59
60/*
61 * Miscellaneous configurable options
62 */
63#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
a8a11a9e 64#if defined(CONFIG_CMD_KGDB)
6d0f6bcf 65#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
a8a11a9e 66#else
6d0f6bcf 67#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
a8a11a9e 68#endif
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69#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
70#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
71#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
a8a11a9e 72
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73#define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
74#define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
a8a11a9e 75
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76#define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
77#define CONFIG_SYS_EXTBDINFO /* To use extended board_into (bd_t) */
a8a11a9e 78
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79#define CONFIG_CMDLINE_EDITING /* add command line history */
80#define CONFIG_AUTO_COMPLETE /* add autocompletion support */
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81#define CONFIG_MX_CYCLIC /* enable mdc/mwc commands */
82#define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
83#define CONFIG_VERSION_VARIABLE /* include version env variable */
c88840af 84#define CONFIG_SYS_CONSOLE_INFO_QUIET /* don't print console @ startup*/
a8a11a9e 85
a8a11a9e 86#define CONFIG_LOADS_ECHO /* echo on for serial download */
c88840af 87#define CONFIG_SYS_LOADS_BAUD_CHANGE /* allow baudrate change */
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88
89/*
90 * BOOTP options
91 */
92#define CONFIG_BOOTP_BOOTFILESIZE
93#define CONFIG_BOOTP_BOOTPATH
94#define CONFIG_BOOTP_GATEWAY
95#define CONFIG_BOOTP_HOSTNAME
96#define CONFIG_BOOTP_SUBNETMASK
97
98/*
99 * For booting Linux, the board info and command line data
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100 * have to be in the first 16 MB of memory, since this is
101 * the maximum mapped by the 40x Linux kernel during initialization.
a8a11a9e 102 */
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103#define CONFIG_SYS_BOOTMAPSZ (16 << 20) /* Initial Memory map for Linux */
104#define CONFIG_SYS_BOOTM_LEN (16 << 20) /* Increase max gunzip size */
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105
106/*
107 * Internal Definitions
108 */
109#if defined(CONFIG_CMD_KGDB)
110#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port*/
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111#endif
112
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113/* Update size in "reg" property of NOR FLASH device tree nodes */
114#define CONFIG_FDT_FIXUP_NOR_FLASH_SIZE
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115
116/*
117 * Booting and default environment
118 */
119#define CONFIG_PREBOOT "echo;" \
120 "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
121 "echo"
122#define CONFIG_BOOTCOMMAND "run flash_self"
123
124/*
125 * Only very few boards have default console not on ttyS0 (like Taishan)
126 */
127#if !defined(CONFIG_USE_TTY)
128#define CONFIG_USE_TTY ttyS0
129#endif
130
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131/*
132 * Only very few boards have default netdev not set to eth0 (like Arches)
133 */
134#if !defined(CONFIG_USE_NETDEV)
135#define CONFIG_USE_NETDEV eth0
136#endif
137
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138/*
139 * Only some 4xx PPC's are equipped with an FPU
140 */
141#if defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \
142 defined(CONFIG_460EX) || defined(CONFIG_460GT)
143#define CONFIG_AMCC_DEF_ENV_ROOTPATH "rootpath=/opt/eldk/ppc_4xxFP\0"
144#else
145#define CONFIG_AMCC_DEF_ENV_ROOTPATH "rootpath=/opt/eldk/ppc_4xx\0"
146#endif
147
148/*
149 * Only some boards need to extend the bootargs by some additional
150 * parameters (like Makalu)
151 */
152#if !defined(CONFIG_ADDMISC)
153#define CONFIG_ADDMISC "addmisc=setenv bootargs ${bootargs}\0"
154#endif
155
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156/*
157 * General common environment variables shared on all AMCC eval boards
158 */
159#define CONFIG_AMCC_DEF_ENV \
93ea89f0 160 "netdev=" __stringify(CONFIG_USE_NETDEV) "\0" \
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161 "nfsargs=setenv bootargs root=/dev/nfs rw " \
162 "nfsroot=${serverip}:${rootpath}\0" \
163 "ramargs=setenv bootargs root=/dev/ram rw\0" \
164 "addip=setenv bootargs ${bootargs} " \
165 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
166 ":${hostname}:${netdev}:off panic=1\0" \
167 "addtty=setenv bootargs ${bootargs}" \
93ea89f0 168 " console=" __stringify(CONFIG_USE_TTY) ",${baudrate}\0" \
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169 CONFIG_ADDMISC \
170 "initrd_high=30000000\0" \
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171 "kernel_addr_r=1000000\0" \
172 "fdt_addr_r=1800000\0" \
173 "ramdisk_addr_r=1900000\0" \
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174 "hostname=" __stringify(CONFIG_HOSTNAME) "\0" \
175 "bootfile=" __stringify(CONFIG_HOSTNAME) "/uImage\0" \
176 "ramdisk_file=" __stringify(CONFIG_HOSTNAME) "/uRamdisk\0" \
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177 CONFIG_AMCC_DEF_ENV_ROOTPATH
178
179/*
180 * Default environment for arch/powerpc booting
181 * for boards that are ported to arch/powerpc
182 */
183#define CONFIG_AMCC_DEF_ENV_POWERPC \
184 "flash_self=run ramargs addip addtty addmisc;" \
185 "bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0" \
186 "flash_nfs=run nfsargs addip addtty addmisc;" \
187 "bootm ${kernel_addr} - ${fdt_addr}\0" \
188 "net_nfs=tftp ${kernel_addr_r} ${bootfile}; " \
189 "tftp ${fdt_addr_r} ${fdt_file}; " \
190 "run nfsargs addip addtty addmisc;" \
191 "bootm ${kernel_addr_r} - ${fdt_addr_r}\0" \
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192 "net_self_load=tftp ${kernel_addr_r} ${bootfile};" \
193 "tftp ${fdt_addr_r} ${fdt_file};" \
194 "tftp ${ramdisk_addr_r} ${ramdisk_file};\0" \
195 "net_self=run net_self_load;" \
196 "run ramargs addip addtty addmisc;" \
197 "bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}\0" \
93ea89f0 198 "fdt_file=" __stringify(CONFIG_HOSTNAME) "/" __stringify(CONFIG_HOSTNAME) ".dtb\0"
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199
200/*
201 * Default environment for arch/ppc booting,
202 * for boards that are not ported to arch/powerpc yet
203 */
204#define CONFIG_AMCC_DEF_ENV_PPC \
205 "flash_self=run ramargs addip addtty addmisc;" \
206 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
207 "flash_nfs=run nfsargs addip addtty addmisc;" \
208 "bootm ${kernel_addr}\0" \
209 "net_nfs=tftp ${kernel_addr_r} ${bootfile};" \
210 "run nfsargs addip addtty addmisc;" \
211 "bootm ${kernel_addr_r}\0"
212
213/*
214 * Default environment for arch/ppc booting (old version),
215 * for boards that are ported to arch/ppc and arch/powerpc
216 */
217#define CONFIG_AMCC_DEF_ENV_PPC_OLD \
218 "flash_self_old=run ramargs addip addtty addmisc;" \
219 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
220 "flash_nfs_old=run nfsargs addip addtty addmisc;" \
221 "bootm ${kernel_addr}\0" \
222 "net_nfs_old=tftp ${kernel_addr_r} ${bootfile};" \
223 "run nfsargs addip addtty addmisc;" \
224 "bootm ${kernel_addr_r}\0"
225
226#define CONFIG_AMCC_DEF_ENV_NOR_UPD \
93ea89f0 227 "u-boot=" __stringify(CONFIG_HOSTNAME) "/u-boot.bin\0" \
c8355b9d 228 "load=tftp 200000 ${u-boot}\0" \
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229 "update=protect off " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \
230 "era " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \
231 "cp.b ${fileaddr} " __stringify(CONFIG_SYS_MONITOR_BASE) " ${filesize}\0" \
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232 "upd=run load update\0" \
233
a8a11a9e 234#endif /* __AMCC_COMMON_H */