4 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation version 2.
10 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
11 * kind, whether express or implied; without even the implied warranty
12 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
16 #ifndef __CONFIG_AM335X_EVM_H
17 #define __CONFIG_AM335X_EVM_H
20 #define CONFIG_CMD_MEMORY /* for mtest */
23 #undef CONFIG_SYS_HUSH_PARSER
26 #include <asm/arch/cpu.h>
27 #include <asm/arch/hardware.h>
29 #define CONFIG_SETUP_PLL
30 #define CONFIG_AM335X_CONFIG_DDR
31 #define CONFIG_ENV_SIZE 0x400
32 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (8 * 1024))
33 #define CONFIG_SYS_PROMPT "U-Boot# "
34 #define CONFIG_SYS_NO_FLASH
35 #define MACH_TYPE_TIAM335EVM 3589 /* Until the next sync */
36 #define CONFIG_MACH_TYPE MACH_TYPE_TIAM335EVM
38 #define CONFIG_CMD_ASKENV
39 #define CONFIG_VERSION_VARIABLE
41 /* set to negative value for no autoboot */
42 #define CONFIG_BOOTDELAY 3
43 #define CONFIG_SYS_AUTOLOAD "no"
44 #define CONFIG_BOOTFILE "uImage"
45 #define CONFIG_EXTRA_ENV_SETTINGS \
47 "ramdisk_file=ramdisk.gz\0" \
50 #define V_OSCK 24000000 /* Clock output from T2 */
51 #define V_SCLK (V_OSCK)
53 #define CONFIG_CMD_ECHO
55 /* max number of command args */
56 #define CONFIG_SYS_MAXARGS 16
58 /* Console I/O Buffer Size */
59 #define CONFIG_SYS_CBSIZE 512
61 /* Print Buffer Size */
62 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \
63 + sizeof(CONFIG_SYS_PROMPT) + 16)
65 /* Boot Argument Buffer Size */
66 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
69 * memtest works on 8 MB in DRAM after skipping 32MB from
70 * start addr of ram disk
72 #define CONFIG_SYS_MEMTEST_START (PHYS_DRAM_1 + (64 * 1024 * 1024))
73 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START \
76 #define CONFIG_SYS_LOAD_ADDR 0x81000000 /* Default load address */
77 #define CONFIG_SYS_HZ 1000 /* 1ms clock */
79 /* Physical Memory Map */
80 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */
81 #define PHYS_DRAM_1 0x80000000 /* DRAM Bank #1 */
82 #define PHYS_DRAM_1_SIZE 0x10000000 /*(0x80000000 / 8) 256 MB */
83 #define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1GB */
85 #define CONFIG_SYS_SDRAM_BASE PHYS_DRAM_1
86 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x1000 - \
87 GENERATED_GBL_DATA_SIZE)
88 /* Platform/Board specific defs */
89 #define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */
90 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
91 #define CONFIG_SYS_HZ 1000
93 /* NS16550 Configuration */
94 #define CONFIG_SYS_NS16550
95 #define CONFIG_SYS_NS16550_SERIAL
96 #define CONFIG_SYS_NS16550_REG_SIZE (-4)
97 #define CONFIG_SYS_NS16550_CLK (48000000)
98 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */
100 #define CONFIG_BAUDRATE 115200
101 #define CONFIG_SYS_BAUDRATE_TABLE { 110, 300, 600, 1200, 2400, \
102 4800, 9600, 14400, 19200, 28800, 38400, 56000, 57600, 115200 }
105 * select serial console configuration
107 #define CONFIG_SERIAL1 1
108 #define CONFIG_CONS_INDEX 1
109 #define CONFIG_SYS_CONSOLE_INFO_QUIET
111 #define CONFIG_ENV_IS_NOWHERE
113 #define CONFIG_SYS_TEXT_BASE 0x402f0400
115 /* Unsupported features */
116 #undef CONFIG_USE_IRQ
118 #endif /* ! __CONFIG_AM335X_EVM_H */