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Chandan Nath7d744102011-10-14 02:58:26 +00001/*
2 * am335x_evm.h
3 *
4 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
5 *
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.
9 *
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.
14 */
15
16#ifndef __CONFIG_AM335X_EVM_H
17#define __CONFIG_AM335X_EVM_H
18
19#define CONFIG_AM335X
20#define CONFIG_CMD_MEMORY /* for mtest */
21#undef CONFIG_GZIP
22#undef CONFIG_ZLIB
23#undef CONFIG_SYS_HUSH_PARSER
24#undef CONFIG_CMD_NET
25
26#include <asm/arch/cpu.h>
27#include <asm/arch/hardware.h>
28
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
36
37#define CONFIG_CMD_ASKENV
38#define CONFIG_VERSION_VARIABLE
39
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 \
45 "verify=yes\0" \
46 "ramdisk_file=ramdisk.gz\0" \
47
48/* Clock Defines */
49#define V_OSCK 24000000 /* Clock output from T2 */
50#define V_SCLK (V_OSCK >> 1)
51
52#define CONFIG_SYS_GBL_DATA_SIZE 128 /* size in bytes reserved for
53 initial data */
54#define CONFIG_CMD_ECHO
55
56/* max number of command args */
57#define CONFIG_SYS_MAXARGS 32
58
59/* Console I/O Buffer Size */
60#define CONFIG_SYS_CBSIZE 512
61
62/* Print Buffer Size */
63#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \
64 + sizeof(CONFIG_SYS_PROMPT) + 16)
65
66/* Boot Argument Buffer Size */
67#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
68
69/*
70 * memtest works on 8 MB in DRAM after skipping 32MB from
71 * start addr of ram disk
72 */
73#define CONFIG_SYS_MEMTEST_START (PHYS_DRAM_1 + (64 * 1024 * 1024))
74#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START \
75 + (8 * 1024 * 1024))
76
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 */
80
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 */
86
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
95
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 */
103
104#define CONFIG_BAUDRATE 115200
105#define CONFIG_SYS_BAUDRATE_TABLE { 110, 300, 600, 1200, 2400, \
1064800, 9600, 14400, 19200, 28800, 38400, 56000, 57600, 115200 }
107
108/*
109 * select serial console configuration
110 */
111#define CONFIG_SERIAL1 1
112#define CONFIG_CONS_INDEX 1
113#define CONFIG_SYS_CONSOLE_INFO_QUIET
114
115#define CONFIG_ENV_IS_NOWHERE
116
117#define CONFIG_SYS_TEXT_BASE 0x402f0400
118
119/* Unsupported features */
120#undef CONFIG_USE_IRQ
121
122#endif /* ! __CONFIG_AM335X_EVM_H */