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 "AM335X# "
34 #define CONFIG_SYS_NO_FLASH
35 #define CONFIG_MACH_TYPE MACH_TYPE_TIAM335EVM
37 #define CONFIG_CMD_ASKENV
38 #define CONFIG_VERSION_VARIABLE
40 /* set to negative value for no autoboot */
41 #define CONFIG_BOOTDELAY 3
42 #define CONFIG_SYS_AUTOLOAD "no"
43 #define CONFIG_BOOTFILE "uImage"
44 #define CONFIG_EXTRA_ENV_SETTINGS \
46 "ramdisk_file=ramdisk.gz\0" \
49 #define V_OSCK 24000000 /* Clock output from T2 */
50 #define V_SCLK (V_OSCK >> 1)
52 #define CONFIG_SYS_GBL_DATA_SIZE 128 /* size in bytes reserved for
54 #define CONFIG_CMD_ECHO
56 /* max number of command args */
57 #define CONFIG_SYS_MAXARGS 32
59 /* Console I/O Buffer Size */
60 #define CONFIG_SYS_CBSIZE 512
62 /* Print Buffer Size */
63 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \
64 + sizeof(CONFIG_SYS_PROMPT) + 16)
66 /* Boot Argument Buffer Size */
67 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
70 * memtest works on 8 MB in DRAM after skipping 32MB from
71 * start addr of ram disk
73 #define CONFIG_SYS_MEMTEST_START (PHYS_DRAM_1 + (64 * 1024 * 1024))
74 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START \
77 #undef CONFIG_SYS_CLKS_IN_HZ /* everything, incl board info, in Hz */
78 #define CONFIG_SYS_LOAD_ADDR 0x81000000 /* Default load address */
79 #define CONFIG_SYS_HZ 1000 /* 1ms clock */
81 /* Physical Memory Map */
82 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */
83 #define PHYS_DRAM_1 0x80000000 /* DRAM Bank #1 */
84 #define PHYS_DRAM_1_SIZE 0x10000000 /*(0x80000000 / 8) 256 MB */
85 #define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1GB */
87 #define CONFIG_SYS_SDRAM_BASE PHYS_DRAM_1
88 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x1000 - \
89 GENERATED_GBL_DATA_SIZE)
90 /* Platform/Board specific defs */
91 #define CONFIG_SYS_CLK_FREQ 24000000
92 #define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */
93 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
94 #define CONFIG_SYS_HZ 1000
96 /* NS16550 Configuration */
97 #define CONFIG_SYS_NS16550
98 #define CONFIG_SYS_NS16550_SERIAL
99 #define CONFIG_SYS_NS16550_REG_SIZE (-4)
100 #define CONFIG_SYS_NS16550_CLK (48000000)
101 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */
102 #define CONFIG_SYS_NS16550_COM4 0x481A6000 /* UART3 on IA BOard */
104 #define CONFIG_BAUDRATE 115200
105 #define CONFIG_SYS_BAUDRATE_TABLE { 110, 300, 600, 1200, 2400, \
106 4800, 9600, 14400, 19200, 28800, 38400, 56000, 57600, 115200 }
109 * select serial console configuration
111 #define CONFIG_SERIAL1 1
112 #define CONFIG_CONS_INDEX 1
113 #define CONFIG_SYS_CONSOLE_INFO_QUIET
115 #define CONFIG_ENV_IS_NOWHERE
117 #define CONFIG_SYS_TEXT_BASE 0x402f0400
119 /* Unsupported features */
120 #undef CONFIG_USE_IRQ
122 #endif /* ! __CONFIG_AM335X_EVM_H */