2 * (C) Copyright 2012 Stephen Warren
4 * See file CREDITS for list of people who contributed to this
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * version 2 as published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
20 #include <asm/sizes.h>
22 /* Architecture, CPU, etc.*/
23 #define CONFIG_ARM1176
24 #define CONFIG_BCM2835
25 #define CONFIG_ARCH_CPU_INIT
26 #define CONFIG_SYS_DCACHE_OFF
28 * 2835 is a SKU in a series for which the 2708 is the first or primary SoC,
29 * so 2708 has historically been used rather than a dedicated 2835 ID.
31 #define CONFIG_MACH_TYPE MACH_TYPE_BCM2708
34 #define CONFIG_SYS_HZ 1000000
37 #define CONFIG_NR_DRAM_BANKS 1
38 #define CONFIG_SYS_SDRAM_BASE 0x00000000
39 #define CONFIG_SYS_TEXT_BASE 0x00008000
40 #define CONFIG_SYS_UBOOT_BASE CONFIG_SYS_TEXT_BASE
42 * The board really has 256M. However, the VC (VideoCore co-processor) shares
43 * the RAM, and uses a configurable portion at the top. We tell U-Boot that a
44 * smaller amount of RAM is present in order to avoid stomping on the area
47 #define CONFIG_SYS_SDRAM_SIZE SZ_128M
48 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + \
49 CONFIG_SYS_SDRAM_SIZE - \
50 GENERATED_GBL_DATA_SIZE)
51 #define CONFIG_SYS_MALLOC_LEN SZ_4M
52 #define CONFIG_SYS_MEMTEST_START 0x00100000
53 #define CONFIG_SYS_MEMTEST_END 0x00200000
56 #define CONFIG_SYS_NO_FLASH
60 #define CONFIG_BCM2835_GPIO
63 #define CONFIG_PL011_SERIAL
64 #define CONFIG_PL011_CLOCK 3000000
65 #define CONFIG_PL01x_PORTS { (void *)0x20201000 }
66 #define CONFIG_CONS_INDEX 0
67 #define CONFIG_BAUDRATE 115200
69 /* Console configuration */
70 #define CONFIG_SYS_CBSIZE 1024
71 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
72 sizeof(CONFIG_SYS_PROMPT) + 16)
75 #define CONFIG_ENV_SIZE SZ_16K
76 #define CONFIG_ENV_IS_NOWHERE
77 #define CONFIG_SYS_LOAD_ADDR 0x1000000
80 #define CONFIG_SYS_HUSH_PARSER
81 #define CONFIG_SYS_MAXARGS 8
82 #define CONFIG_SYS_PROMPT "U-Boot> "
83 #define CONFIG_SYS_LONGHELP
84 #define CONFIG_CMDLINE_EDITING
85 #define CONFIG_COMMAND_HISTORY
86 #define CONFIG_AUTO_COMPLETE
89 #include <config_cmd_default.h>
90 #define CONFIG_CMD_BOOTZ
91 #define CONFIG_CMD_GPIO
92 /* Some things don't make sense on this HW or yet */
93 #undef CONFIG_CMD_FPGA
96 #undef CONFIG_CMD_SAVEENV
98 /* Device tree support for bootm/bootz */
99 #define CONFIG_OF_LIBFDT
100 /* ATAGs support for bootm/bootz */
101 #define CONFIG_SETUP_MEMORY_TAGS
102 #define CONFIG_CMDLINE_TAG
103 #define CONFIG_INITRD_TAG