2 * (C) Copyright 2007-2008
3 * Stelian Pop <stelian.pop@leadtechdesign.com>
4 * Lead Tech Design <www.leadtechdesign.com>
6 * Configuation settings for the AT91SAM9RLEK board.
8 * See file CREDITS for list of people who contributed to this
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
30 /* ARM asynchronous clock */
31 #define AT91_CPU_NAME "AT91SAM9RL"
32 #define AT91_MAIN_CLOCK 12000000 /* 12 MHz crystal */
33 #define AT91_MASTER_CLOCK 100000000 /* peripheral */
34 #define AT91_CPU_CLOCK 200000000 /* cpu */
35 #define CONFIG_SYS_HZ 1000000 /* 1us resolution */
37 #define AT91_SLOW_CLOCK 32768 /* slow clock */
39 #define CONFIG_ARM926EJS 1 /* This is an ARM926EJS Core */
40 #define CONFIG_AT91SAM9RL 1 /* It's an Atmel AT91SAM9RL SoC*/
41 #define CONFIG_AT91SAM9RLEK 1 /* on an AT91SAM9RLEK Board */
42 #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
44 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
45 #define CONFIG_SETUP_MEMORY_TAGS 1
46 #define CONFIG_INITRD_TAG 1
48 #define CONFIG_SKIP_LOWLEVEL_INIT
49 #define CONFIG_SKIP_RELOCATE_UBOOT
54 #define CONFIG_ATMEL_USART 1
58 #define CONFIG_USART3 1 /* USART 3 is DBGU */
62 #define LCD_BPP LCD_COLOR8
63 #define CONFIG_LCD_LOGO 1
64 #undef LCD_TEST_PATTERN
65 #define CONFIG_LCD_INFO 1
66 #define CONFIG_LCD_INFO_BELOW_LOGO 1
67 #define CONFIG_SYS_WHITE_ON_BLACK 1
68 #define CONFIG_ATMEL_LCD 1
69 #define CONFIG_ATMEL_LCD_RGB565 1
70 #define CONFIG_SYS_CONSOLE_IS_IN_ENV 1
72 #define CONFIG_BOOTDELAY 3
75 * Command line configuration.
77 #include <config_cmd_default.h>
80 #undef CONFIG_CMD_AUTOSCRIPT
81 #undef CONFIG_CMD_FPGA
82 #undef CONFIG_CMD_LOADS
83 #undef CONFIG_CMD_IMLS
87 #define CONFIG_CMD_NAND 1
90 #define CONFIG_NR_DRAM_BANKS 1
91 #define PHYS_SDRAM 0x20000000
92 #define PHYS_SDRAM_SIZE 0x04000000 /* 64 megs */
95 #define CONFIG_HAS_DATAFLASH 1
96 #define CONFIG_SYS_SPI_WRITE_TOUT (5*CONFIG_SYS_HZ)
97 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 1
98 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */
99 #define AT91_SPI_CLK 15000000
100 #define DATAFLASH_TCSS (0x1a << 16)
101 #define DATAFLASH_TCHS (0x1 << 24)
103 /* NOR flash - not present */
104 #define CONFIG_SYS_NO_FLASH 1
107 #define NAND_MAX_CHIPS 1
108 #define CONFIG_SYS_MAX_NAND_DEVICE 1
109 #define CONFIG_SYS_NAND_BASE 0x40000000
110 #define CONFIG_SYS_NAND_DBW_8 1
112 /* Ethernet - not present */
114 /* USB - not supported */
116 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
118 #define CONFIG_SYS_MEMTEST_START PHYS_SDRAM
119 #define CONFIG_SYS_MEMTEST_END 0x23e00000
121 #define CONFIG_SYS_USE_DATAFLASH 1
122 #undef CONFIG_SYS_USE_NANDFLASH
124 #ifdef CONFIG_SYS_USE_DATAFLASH
126 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
127 #define CONFIG_ENV_IS_IN_DATAFLASH 1
128 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
129 #define CONFIG_ENV_OFFSET 0x4200
130 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
131 #define CONFIG_ENV_SIZE 0x4200
132 #define CONFIG_BOOTCOMMAND "cp.b 0xC0042000 0x22000000 0x210000; bootm"
133 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \
134 "root=/dev/mtdblock0 " \
135 "mtdparts=at91_nand:-(root) "\
136 "rw rootfstype=jffs2"
138 #else /* CONFIG_SYS_USE_NANDFLASH */
140 /* bootstrap + u-boot + env + linux in nandflash */
141 #define CONFIG_ENV_IS_IN_NAND 1
142 #define CONFIG_ENV_OFFSET 0x60000
143 #define CONFIG_ENV_OFFSET_REDUND 0x80000
144 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */
145 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0xA0000 0x200000; bootm"
146 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \
147 "root=/dev/mtdblock5 " \
148 "mtdparts=at91_nand:128k(bootstrap)ro,256k(uboot)ro,128k(env1)ro,128k(env2)ro,2M(linux),-(root) " \
149 "rw rootfstype=jffs2"
153 #define CONFIG_BAUDRATE 115200
154 #define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 }
156 #define CONFIG_SYS_PROMPT "U-Boot> "
157 #define CONFIG_SYS_CBSIZE 256
158 #define CONFIG_SYS_MAXARGS 16
159 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
160 #define CONFIG_SYS_LONGHELP 1
161 #define CONFIG_CMDLINE_EDITING 1
163 #define ROUND(A, B) (((A) + (B)) & ~((B) - 1))
165 * Size of malloc() pool
167 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
168 #define CONFIG_SYS_GBL_DATA_SIZE 128 /* 128 bytes for initial data */
170 #define CONFIG_STACKSIZE (32*1024) /* regular stack */
172 #ifdef CONFIG_USE_IRQ
173 #error CONFIG_USE_IRQ not supported