2 * (C) Copyright 2007-2008
3 * Stelian Pop <stelian.pop@leadtechdesign.com>
4 * Lead Tech Design <www.leadtechdesign.com>
7 * Albin Tonnerre, Free Electrons <albin.tonnerre@free-electrons.com>
9 * Configuation settings for the Calao TNY-A9260 and TNY-A9G20 boards
11 * See file CREDITS for list of people who contributed to this
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.
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.
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,
33 #define CONFIG_AT91_LEGACY
35 #if defined(CONFIG_TNY_A9260_NANDFLASH) || defined(CONFIG_TNY_A9260_EEPROM)
36 #define CONFIG_TNY_A9260
37 #elif defined(CONFIG_TNY_A9G20_NANDFLASH) || defined(CONFIG_TNY_A9G20_EEPROM)
38 #define CONFIG_TNY_A9G20
41 #ifdef CONFIG_TNY_A9260
42 #define CONFIG_AT91SAM9260
44 #define CONFIG_AT91SAM9G20
47 #if defined(CONFIG_TNY_A9260_NANDFLASH) || defined(CONFIG_TNY_A9G20_NANDFLASH)
48 #define CONFIG_ENV_IS_IN_NAND
50 #define CONFIG_ENV_IS_IN_EEPROM
53 /* ARM asynchronous clock */
54 #define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* 12 MHz crystal */
55 #define CONFIG_SYS_HZ 1000
57 #define CONFIG_ARM926EJS 1 /* This is an ARM926EJS Core */
58 #define CONFIG_ARCH_CPU_INIT
59 #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
61 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
62 #define CONFIG_SETUP_MEMORY_TAGS 1
63 #define CONFIG_INITRD_TAG 1
65 #define CONFIG_SKIP_LOWLEVEL_INIT
70 #define CONFIG_AT91_GPIO 1
71 #define CONFIG_ATMEL_USART 1
75 #define CONFIG_USART3 1 /* USART 3 is DBGU */
77 #define CONFIG_BOOTDELAY 3
80 * Command line configuration.
82 #include <config_cmd_default.h>
84 #undef CONFIG_CMD_FPGA
86 #undef CONFIG_CMD_IMLS
87 #undef CONFIG_CMD_LOADS
89 #undef CONFIG_CMD_SOURCE
93 #define CONFIG_NR_DRAM_BANKS 1
94 #define PHYS_SDRAM 0x20000000
95 #define PHYS_SDRAM_SIZE 0x04000000 /* 64 megs */
99 #define CONFIG_CMD_SPI
100 #define CONFIG_ATMEL_SPI
101 #define CONFIG_SYS_SPI_WRITE_TOUT (5 * CONFIG_SYS_HZ)
103 #define CONFIG_CMD_EEPROM
104 #define CONFIG_SPI_M95XXX
105 #define CONFIG_SYS_EEPROM_SIZE 0x10000
106 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 5
109 #define CONFIG_CMD_NAND
110 #define CONFIG_NAND_ATMEL
111 #define CONFIG_SYS_MAX_NAND_DEVICE 1
112 #define CONFIG_SYS_NAND_BASE 0x40000000
113 #define CONFIG_SYS_NAND_DBW_8 1
114 /* our ALE is AD21 */
115 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
116 /* our CLE is AD22 */
117 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
118 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
119 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
121 /* NOR flash - no real flash on this board */
122 #define CONFIG_SYS_NO_FLASH 1
124 #define CONFIG_DOS_PARTITION 1
125 #define CONFIG_CMD_FAT 1
127 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
129 #define CONFIG_SYS_MEMTEST_START PHYS_SDRAM
130 #define CONFIG_SYS_MEMTEST_END 0x23e00000
132 /* Env in EEPROM, bootstrap + u-boot in NAND*/
133 #ifdef CONFIG_ENV_IS_IN_EEPROM
134 #define CONFIG_ENV_OFFSET 0x20
135 #define CONFIG_ENV_SIZE 0x1000
138 /* Env, bootstrap and u-boot in NAND */
139 #ifdef CONFIG_ENV_IS_IN_NAND
140 #define CONFIG_ENV_OFFSET 0x60000
141 #define CONFIG_ENV_OFFSET_REDUND 0x80000
142 #define CONFIG_ENV_SIZE 0x20000
145 #define CONFIG_BOOTCOMMAND "nboot 0x21000000 0 400000"
146 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \
147 "root=/dev/mtdblock1 " \
148 "mtdparts=atmel_nand:16M(kernel)ro," \
149 "120M(rootfs),-(other) " \
150 "rw rootfstype=jffs2"
152 #define CONFIG_BAUDRATE 115200
153 #define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 }
155 #define CONFIG_SYS_PROMPT "U-Boot> "
156 #define CONFIG_SYS_CBSIZE 256
157 #define CONFIG_SYS_MAXARGS 16
158 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
159 #define CONFIG_SYS_LONGHELP 1
160 #define CONFIG_CMDLINE_EDITING 1
163 * Size of malloc() pool
165 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128 * 1024, 0x1000)
167 #define CONFIG_STACKSIZE (32 * 1024) /* regular stack */
169 #ifdef CONFIG_USE_IRQ
170 #error CONFIG_USE_IRQ not supported