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 200000000 /* from 12.000 MHz crystal */
33 #define AT91_MASTER_CLOCK 100000000 /* peripheral = main / 2 */
34 #define CFG_HZ 1000000 /* 1us resolution */
36 #define AT91_SLOW_CLOCK 32768 /* slow clock */
38 #define CONFIG_ARM926EJS 1 /* This is an ARM926EJS Core */
39 #define CONFIG_AT91SAM9RL 1 /* It's an Atmel AT91SAM9RL SoC*/
40 #define CONFIG_AT91SAM9RLEK 1 /* on an AT91SAM9RLEK Board */
41 #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
43 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
44 #define CONFIG_SETUP_MEMORY_TAGS 1
45 #define CONFIG_INITRD_TAG 1
47 #define CONFIG_SKIP_LOWLEVEL_INIT
48 #define CONFIG_SKIP_RELOCATE_UBOOT
53 #define CONFIG_ATMEL_USART 1
57 #define CONFIG_USART3 1 /* USART 3 is DBGU */
61 #define LCD_BPP LCD_COLOR8
62 #define CONFIG_LCD_LOGO 1
63 #undef LCD_TEST_PATTERN
64 #define CONFIG_LCD_INFO 1
65 #define CONFIG_LCD_INFO_BELOW_LOGO 1
66 #define CFG_WHITE_ON_BLACK 1
67 #define CONFIG_ATMEL_LCD 1
68 #define CONFIG_ATMEL_LCD_RGB565 1
69 #define CFG_CONSOLE_IS_IN_ENV 1
71 #define CONFIG_BOOTDELAY 3
73 /* #define CONFIG_ENV_OVERWRITE 1 */
76 * Command line configuration.
78 #include <config_cmd_default.h>
81 #undef CONFIG_CMD_AUTOSCRIPT
82 #undef CONFIG_CMD_FPGA
83 #undef CONFIG_CMD_LOADS
84 #undef CONFIG_CMD_IMLS
88 #define CONFIG_CMD_NAND 1
91 #define CONFIG_NR_DRAM_BANKS 1
92 #define PHYS_SDRAM 0x20000000
93 #define PHYS_SDRAM_SIZE 0x04000000 /* 64 megs */
96 #define CONFIG_HAS_DATAFLASH 1
97 #define CFG_SPI_WRITE_TOUT (5*CFG_HZ)
98 #define CFG_MAX_DATAFLASH_BANKS 1
99 #define CFG_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */
100 #define AT91_SPI_CLK 15000000
101 #define DATAFLASH_TCSS (0x1a << 16)
102 #define DATAFLASH_TCHS (0x1 << 24)
104 /* NOR flash - not present */
105 #define CFG_NO_FLASH 1
108 #define NAND_MAX_CHIPS 1
109 #define CFG_MAX_NAND_DEVICE 1
110 #define CFG_NAND_BASE 0x40000000
111 #define CFG_NAND_DBW_8 1
113 /* Ethernet - not present */
115 /* USB - not supported */
117 #define CFG_LOAD_ADDR 0x22000000 /* load address */
119 #define CFG_MEMTEST_START PHYS_SDRAM
120 #define CFG_MEMTEST_END 0x23e00000
122 #define CFG_USE_DATAFLASH 1
123 #undef CFG_USE_NANDFLASH
125 #ifdef CFG_USE_DATAFLASH
127 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
128 #define CFG_ENV_IS_IN_DATAFLASH 1
129 #define CFG_MONITOR_BASE (CFG_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
130 #define CFG_ENV_OFFSET 0x4200
131 #define CFG_ENV_ADDR (CFG_DATAFLASH_LOGIC_ADDR_CS0 + CFG_ENV_OFFSET)
132 #define CFG_ENV_SIZE 0x4200
133 #define CONFIG_BOOTCOMMAND "cp.b 0xC0042000 0x22000000 0x210000; bootm"
134 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \
135 "root=/dev/mtdblock0 " \
136 "mtdparts=at91_nand:-(root) "\
137 "rw rootfstype=jffs2"
139 #else /* CFG_USE_NANDFLASH */
141 /* bootstrap + u-boot + env + linux in nandflash */
142 #define CFG_ENV_IS_IN_NAND 1
143 #define CFG_ENV_OFFSET 0x60000
144 #define CFG_ENV_OFFSET_REDUND 0x80000
145 #define CFG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */
146 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0xA0000 0x200000; bootm"
147 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \
148 "root=/dev/mtdblock5 " \
149 "mtdparts=at91_nand:128k(bootstrap)ro,256k(uboot)ro,128k(env1)ro,128k(env2)ro,2M(linux),-(root) " \
150 "rw rootfstype=jffs2"
154 #define CONFIG_BAUDRATE 115200
155 #define CFG_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 }
157 #define CFG_PROMPT "U-Boot> "
158 #define CFG_CBSIZE 256
159 #define CFG_MAXARGS 16
160 #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
161 #define CFG_LONGHELP 1
162 #define CONFIG_CMDLINE_EDITING 1
164 #define ROUND(A, B) (((A) + (B)) & ~((B) - 1))
166 * Size of malloc() pool
168 #define CFG_MALLOC_LEN ROUND(3 * CFG_ENV_SIZE + 128*1024, 0x1000)
169 #define CFG_GBL_DATA_SIZE 128 /* 128 bytes for initial data */
171 #define CONFIG_STACKSIZE (32*1024) /* regular stack */
173 #ifdef CONFIG_USE_IRQ
174 #error CONFIG_USE_IRQ not supported