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_MAIN_CLOCK 200000000 /* from 12.000 MHz crystal */
32 #define AT91_MASTER_CLOCK 100000000 /* peripheral = main / 2 */
33 #define CFG_HZ 1000000 /* 1us resolution */
35 #define AT91_SLOW_CLOCK 32768 /* slow clock */
37 #define CONFIG_ARM926EJS 1 /* This is an ARM926EJS Core */
38 #define CONFIG_AT91SAM9RL 1 /* It's an Atmel AT91SAM9RL SoC*/
39 #define CONFIG_AT91SAM9RLEK 1 /* on an AT91SAM9RLEK Board */
40 #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
42 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
43 #define CONFIG_SETUP_MEMORY_TAGS 1
44 #define CONFIG_INITRD_TAG 1
46 #define CONFIG_SKIP_LOWLEVEL_INIT
47 #define CONFIG_SKIP_RELOCATE_UBOOT
52 #define CONFIG_ATMEL_USART 1
56 #define CONFIG_USART3 1 /* USART 3 is DBGU */
58 #define CONFIG_BOOTDELAY 3
60 /* #define CONFIG_ENV_OVERWRITE 1 */
63 * Command line configuration.
65 #include <config_cmd_default.h>
68 #undef CONFIG_CMD_AUTOSCRIPT
69 #undef CONFIG_CMD_FPGA
70 #undef CONFIG_CMD_LOADS
71 #undef CONFIG_CMD_IMLS
75 #define CONFIG_CMD_NAND 1
78 #define CONFIG_NR_DRAM_BANKS 1
79 #define PHYS_SDRAM 0x20000000
80 #define PHYS_SDRAM_SIZE 0x04000000 /* 64 megs */
83 #define CONFIG_HAS_DATAFLASH 1
84 #define CFG_SPI_WRITE_TOUT (5*CFG_HZ)
85 #define CFG_MAX_DATAFLASH_BANKS 1
86 #define CFG_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */
87 #define AT91_SPI_CLK 15000000
88 #define DATAFLASH_TCSS (0x1a << 16)
89 #define DATAFLASH_TCHS (0x1 << 24)
91 /* NOR flash - not present */
92 #define CFG_NO_FLASH 1
95 #define NAND_MAX_CHIPS 1
96 #define CFG_MAX_NAND_DEVICE 1
97 #define CFG_NAND_BASE 0x40000000
98 #define CFG_NAND_DBW_8 1
100 /* Ethernet - not present */
102 /* USB - not supported */
104 #define CFG_LOAD_ADDR 0x22000000 /* load address */
106 #define CFG_MEMTEST_START PHYS_SDRAM
107 #define CFG_MEMTEST_END 0x23e00000
109 #define CFG_USE_DATAFLASH 1
110 #undef CFG_USE_NANDFLASH
112 #ifdef CFG_USE_DATAFLASH
114 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
115 #define CFG_ENV_IS_IN_DATAFLASH 1
116 #define CFG_MONITOR_BASE (CFG_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
117 #define CFG_ENV_OFFSET 0x4200
118 #define CFG_ENV_ADDR (CFG_DATAFLASH_LOGIC_ADDR_CS0 + CFG_ENV_OFFSET)
119 #define CFG_ENV_SIZE 0x4200
120 #define CONFIG_BOOTCOMMAND "cp.b 0xC0042000 0x22000000 0x210000; bootm"
121 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \
122 "root=/dev/mtdblock0 " \
123 "mtdparts=at91_nand:-(root) "\
124 "rw rootfstype=jffs2"
126 #else /* CFG_USE_NANDFLASH */
128 /* bootstrap + u-boot + env + linux in nandflash */
129 #define CFG_ENV_IS_IN_NAND 1
130 #define CFG_ENV_OFFSET 0x60000
131 #define CFG_ENV_OFFSET_REDUND 0x80000
132 #define CFG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */
133 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0xA0000 0x200000; bootm"
134 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \
135 "root=/dev/mtdblock5 " \
136 "mtdparts=at91_nand:128k(bootstrap)ro,256k(uboot)ro,128k(env1)ro,128k(env2)ro,2M(linux),-(root) " \
137 "rw rootfstype=jffs2"
141 #define CONFIG_BAUDRATE 115200
142 #define CFG_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 }
144 #define CFG_PROMPT "U-Boot> "
145 #define CFG_CBSIZE 256
146 #define CFG_MAXARGS 16
147 #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
148 #define CFG_LONGHELP 1
149 #define CONFIG_CMDLINE_EDITING 1
151 #define ROUND(A, B) (((A) + (B)) & ~((B) - 1))
153 * Size of malloc() pool
155 #define CFG_MALLOC_LEN ROUND(3 * CFG_ENV_SIZE + 128*1024, 0x1000)
156 #define CFG_GBL_DATA_SIZE 128 /* 128 bytes for initial data */
158 #define CONFIG_STACKSIZE (32*1024) /* regular stack */
160 #ifdef CONFIG_USE_IRQ
161 #error CONFIG_USE_IRQ not supported