blob: 4ad081b0baf3bc9af56db9131460da758ac9a451 [file] [log] [blame]
Albin Tonnerre2dc851e2009-08-20 16:04:49 +02001/*
2 * (C) Copyright 2007-2008
3 * Stelian Pop <stelian.pop@leadtechdesign.com>
4 * Lead Tech Design <www.leadtechdesign.com>
5 *
6 * Copyright (C) 2009
7 * Albin Tonnerre, Free Electrons <albin.tonnerre@free-electrons.com>
8 *
9 * Configuation settings for the Calao TNY-A9260 and TNY-A9G20 boards
10 *
11 * See file CREDITS for list of people who contributed to this
12 * project.
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License as
16 * published by the Free Software Foundation; either version 2 of
17 * the License, or (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 * MA 02111-1307 USA
28 */
29
30#ifndef __CONFIG_H
31#define __CONFIG_H
32
33#if defined(CONFIG_TNY_A9260_NANDFLASH) || defined(CONFIG_TNY_A9260_EEPROM)
34#define CONFIG_TNY_A9260
35#elif defined(CONFIG_TNY_A9G20_NANDFLASH) || defined(CONFIG_TNY_A9G20_EEPROM)
36#define CONFIG_TNY_A9G20
37#endif
38
39#ifdef CONFIG_TNY_A9260
40#define CONFIG_AT91SAM9260
41#else
42#define CONFIG_AT91SAM9G20
43#endif
44
45#if defined(CONFIG_TNY_A9260_NANDFLASH) || defined(CONFIG_TNY_A9G20_NANDFLASH)
46#define CONFIG_ENV_IS_IN_NAND
47#else
48#define CONFIG_ENV_IS_IN_EEPROM
49#endif
50
51/* ARM asynchronous clock */
52#define AT91_MAIN_CLOCK 12000000 /* 12 MHz crystal */
53#define CONFIG_SYS_HZ 1000
54
55#define CONFIG_ARM926EJS 1 /* This is an ARM926EJS Core */
56#define CONFIG_ARCH_CPU_INIT
57#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
58
59#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
60#define CONFIG_SETUP_MEMORY_TAGS 1
61#define CONFIG_INITRD_TAG 1
62
63#define CONFIG_SKIP_LOWLEVEL_INIT
64#define CONFIG_SKIP_RELOCATE_UBOOT
65
66/*
67 * Hardware drivers
68 */
69#define CONFIG_ATMEL_USART 1
70#undef CONFIG_USART0
71#undef CONFIG_USART1
72#undef CONFIG_USART2
73#define CONFIG_USART3 1 /* USART 3 is DBGU */
74
75#define CONFIG_BOOTDELAY 3
76
77/*
78 * Command line configuration.
79 */
80#include <config_cmd_default.h>
81#undef CONFIG_CMD_BDI
82#undef CONFIG_CMD_FPGA
83#undef CONFIG_CMD_IMI
84#undef CONFIG_CMD_IMLS
85#undef CONFIG_CMD_LOADS
86#undef CONFIG_CMD_NET
87#undef CONFIG_CMD_SOURCE
88#undef CONFIG_CMD_USB
89
90/* SDRAM */
91#define CONFIG_NR_DRAM_BANKS 1
92#define PHYS_SDRAM 0x20000000
93#define PHYS_SDRAM_SIZE 0x04000000 /* 64 megs */
94
95/* SPI EEPROM */
96#define CONFIG_SPI
97#define CONFIG_CMD_SPI
98#define CONFIG_ATMEL_SPI
99#define CONFIG_SYS_SPI_WRITE_TOUT (5 * CONFIG_SYS_HZ)
100
101#define CONFIG_CMD_EEPROM
102#define CONFIG_SPI_M95XXX
103#define CONFIG_SYS_EEPROM_SIZE 0x10000
104#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 5
105
106/* NAND flash */
107#define CONFIG_CMD_NAND
108#define CONFIG_NAND_ATMEL
109#define CONFIG_SYS_MAX_NAND_DEVICE 1
110#define CONFIG_SYS_NAND_BASE 0x40000000
111#define CONFIG_SYS_NAND_DBW_8 1
112/* our ALE is AD21 */
113#define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
114/* our CLE is AD22 */
115#define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
116#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
117#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
118
119/* NOR flash - no real flash on this board */
120#define CONFIG_SYS_NO_FLASH 1
121
122#define CONFIG_DOS_PARTITION 1
123#define CONFIG_CMD_FAT 1
124
125#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
126
127#define CONFIG_SYS_MEMTEST_START PHYS_SDRAM
128#define CONFIG_SYS_MEMTEST_END 0x23e00000
129
130/* Env in EEPROM, bootstrap + u-boot in NAND*/
131#ifdef CONFIG_ENV_IS_IN_EEPROM
132#define CONFIG_ENV_OFFSET 0x20
133#define CONFIG_ENV_SIZE 0x1000
134#endif
135
136/* Env, bootstrap and u-boot in NAND */
137#ifdef CONFIG_ENV_IS_IN_NAND
138#define CONFIG_ENV_OFFSET 0x60000
139#define CONFIG_ENV_OFFSET_REDUND 0x80000
140#define CONFIG_ENV_SIZE 0x20000
141#endif
142
143#define CONFIG_BOOTCOMMAND "nboot 0x21000000 0 400000"
144#define CONFIG_BOOTARGS "console=ttyS0,115200 " \
145 "root=/dev/mtdblock1 " \
146 "mtdparts=atmel_nand:16M(kernel)ro," \
147 "120M(rootfs),-(other) " \
148 "rw rootfstype=jffs2"
149
150#define CONFIG_BAUDRATE 115200
151#define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 }
152
153#define CONFIG_SYS_PROMPT "U-Boot> "
154#define CONFIG_SYS_CBSIZE 256
155#define CONFIG_SYS_MAXARGS 16
156#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
157#define CONFIG_SYS_LONGHELP 1
158#define CONFIG_CMDLINE_EDITING 1
159
160/*
161 * Size of malloc() pool
162 */
163#define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128 * 1024, 0x1000)
164#define CONFIG_SYS_GBL_DATA_SIZE 128 /* 128 bytes for initial data */
165
166#define CONFIG_STACKSIZE (32 * 1024) /* regular stack */
167
168#ifdef CONFIG_USE_IRQ
169#error CONFIG_USE_IRQ not supported
170#endif
171
172#endif