3 * Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.de
6 * SPDX-License-Identifier: GPL-2.0+
15 #define CONFIG_SYS_SDRAM_BASE 0x00000000 /* DDR is system memory */
16 /* TODO: Check: Can this be unified with CONFIG_SYS_SDRAM_BASE? */
17 #define CONFIG_SYS_DDR_SDRAM_BASE CONFIG_SYS_SDRAM_BASE
27 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE /* start of monitor */
29 #define CONFIG_SYS_MONITOR_LEN (512 * 1024) /* Reserve 512 kB for Mon */
32 * Initial RAM Base Address Setup
34 #define CONFIG_SYS_INIT_RAM_LOCK
35 #define CONFIG_SYS_INIT_RAM_ADDR 0xE6000000 /* Initial RAM address */
36 #define CONFIG_SYS_INIT_RAM_SIZE 0x1000 /* Size of used area in RAM */
37 #define CONFIG_SYS_GBL_DATA_OFFSET \
38 (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
41 * FLASH on the Local Bus
43 #define CONFIG_SYS_FLASH_BASE 0xFE000000 /* FLASH base address */
44 #define CONFIG_SYS_FLASH_SIZE 8 /* FLASH size is up to 8M */
46 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* number of banks */
47 #define CONFIG_SYS_MAX_FLASH_SECT 135
49 #define CONFIG_SYS_BAUDRATE_TABLE \
50 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200}
56 #define CONFIG_LOADS_ECHO /* echo on for serial download */
57 #define CONFIG_SYS_LOADS_BAUD_CHANGE /* allow baudrate change */
60 * Miscellaneous configurable options
62 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1ms ticks */
64 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
66 /* Print Buffer Size */
67 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
68 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
69 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
72 * For booting Linux, the board info and command line data
73 * have to be in the first 256 MB of memory, since this is
74 * the maximum mapped by the Linux kernel during initialization.
76 #define CONFIG_SYS_BOOTMAPSZ (256 << 20) /* Initial Memory map for Linux */
79 * Environment Configuration
82 #define CONFIG_HAS_ETH0
83 #define CONFIG_HAS_ETH1
85 /* TODO: Turn into string option and migrate to Kconfig */
86 #define CONFIG_HOSTNAME "gazerbeam"
87 #define CONFIG_ROOTPATH "/opt/nfsroot"
88 #define CONFIG_BOOTFILE "uImage"
90 #define CONFIG_EXTRA_ENV_SETTINGS \
92 "consoledev=ttyS1\0" \
93 "u-boot=u-boot.bin\0" \
94 "kernel_addr=1000000\0" \
96 "fdtfile=hrcon.dtb\0" \
97 "load=tftp ${loadaddr} ${u-boot}\0" \
98 "update=protect off " __stringify(CONFIG_SYS_MONITOR_BASE) \
99 " +${filesize};era " __stringify(CONFIG_SYS_MONITOR_BASE)\
100 " +${filesize};cp.b ${fileaddr} " \
101 __stringify(CONFIG_SYS_MONITOR_BASE) " ${filesize}\0" \
102 "upd=run load update\0" \
104 #define NFSBOOTCOMMAND \
105 "setenv bootargs root=/dev/nfs rw " \
106 "nfsroot=$serverip:$rootpath " \
107 "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \
108 "console=$consoledev,$baudrate $othbootargs;" \
109 "tftp ${kernel_addr} $bootfile;" \
110 "tftp ${fdt_addr} $fdtfile;" \
111 "bootm ${kernel_addr} - ${fdt_addr}"
113 #define MMCBOOTCOMMAND \
114 "setenv bootargs root=/dev/mmcblk0p3 rw rootwait " \
115 "console=$consoledev,$baudrate $othbootargs;" \
116 "ext2load mmc 0:2 ${kernel_addr} $bootfile;" \
117 "ext2load mmc 0:2 ${fdt_addr} $fdtfile;" \
118 "bootm ${kernel_addr} - ${fdt_addr}"
120 #define CONFIG_BOOTCOMMAND MMCBOOTCOMMAND
122 #endif /* __CONFIG_H */