1 /*
2 * (C) Copyright 2007-2008
3 * Stelian Pop <stelian@popies.net>
4 * Lead Tech Design <www.leadtechdesign.com>
5 *
6 * Configuation settings for the AT91SAM9260EK & AT91SAM9G20EK boards.
7 *
8 * See file CREDITS for list of people who contributed to this
9 * project.
10 *
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.
15 *
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.
20 *
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,
24 * MA 02111-1307 USA
25 */
27 #ifndef __CONFIG_H
28 #define __CONFIG_H
30 /*
31 * SoC must be defined first, before hardware.h is included.
32 * In this case SoC is defined in boards.cfg.
33 */
34 #include <asm/hardware.h>
36 /*
37 * Warning: changing CONFIG_SYS_TEXT_BASE requires
38 * adapting the initial boot program.
39 * Since the linker has to swallow that define, we must use a pure
40 * hex number here!
41 */
42 #define CONFIG_SYS_TEXT_BASE 0x21f00000
44 /* ARM asynchronous clock */
45 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
46 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */
47 #define CONFIG_SYS_HZ 1000
49 /* Define actual evaluation board type from used processor type */
50 #ifdef CONFIG_AT91SAM9G20
51 # define CONFIG_AT91SAM9G20EK /* It's an Atmel AT91SAM9G20 EK */
52 #else
53 # define CONFIG_AT91SAM9260EK /* It's an Atmel AT91SAM9260 EK */
54 #endif
56 /* Misc CPU related */
57 #define CONFIG_ARCH_CPU_INIT
58 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
59 #define CONFIG_SETUP_MEMORY_TAGS
60 #define CONFIG_INITRD_TAG
61 #define CONFIG_SKIP_LOWLEVEL_INIT
62 #define CONFIG_BOARD_EARLY_INIT_F
63 #define CONFIG_DISPLAY_CPUINFO
65 #define CONFIG_CMD_BOOTZ
66 #define CONFIG_OF_LIBFDT
68 /* general purpose I/O */
69 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
70 #define CONFIG_AT91_GPIO
71 #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */
73 /* serial console */
74 #define CONFIG_ATMEL_USART
75 #define CONFIG_USART_BASE ATMEL_BASE_DBGU
76 #define CONFIG_USART_ID ATMEL_ID_SYS
77 #define CONFIG_BAUDRATE 115200
79 /* LED */
80 #define CONFIG_AT91_LED
81 #define CONFIG_RED_LED AT91_PIN_PA9 /* this is the power led */
82 #define CONFIG_GREEN_LED AT91_PIN_PA6 /* this is the user led */
84 #define CONFIG_BOOTDELAY 3
86 /*
87 * BOOTP options
88 */
89 #define CONFIG_BOOTP_BOOTFILESIZE 1
90 #define CONFIG_BOOTP_BOOTPATH 1
91 #define CONFIG_BOOTP_GATEWAY 1
92 #define CONFIG_BOOTP_HOSTNAME 1
94 /*
95 * Command line configuration.
96 */
97 #include <config_cmd_default.h>
98 #undef CONFIG_CMD_BDI
99 #undef CONFIG_CMD_FPGA
100 #undef CONFIG_CMD_IMI
101 #undef CONFIG_CMD_IMLS
102 #undef CONFIG_CMD_LOADS
103 #undef CONFIG_CMD_SOURCE
105 #define CONFIG_CMD_PING 1
106 #define CONFIG_CMD_DHCP 1
107 #define CONFIG_CMD_NAND 1
108 #define CONFIG_CMD_USB 1
110 /*
111 * SDRAM: 1 bank, min 32, max 128 MB
112 * Initialized before u-boot gets started.
113 */
114 #define CONFIG_NR_DRAM_BANKS 1
115 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
116 #define CONFIG_SYS_SDRAM_SIZE 0x04000000
118 /*
119 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
120 * leaving the correct space for initial global data structure above
121 * that address while providing maximum stack area below.
122 */
123 #ifdef CONFIG_AT91SAM9XE
124 # define CONFIG_SYS_INIT_SP_ADDR \
125 (ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE)
126 #else
127 # define CONFIG_SYS_INIT_SP_ADDR \
128 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
129 #endif
131 /* DataFlash */
132 #ifndef CONFIG_AT91SAM9G20EK_2MMC
133 #define CONFIG_ATMEL_DATAFLASH_SPI
134 #define CONFIG_HAS_DATAFLASH 1
135 #define CONFIG_SYS_SPI_WRITE_TOUT (5*CONFIG_SYS_HZ)
136 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 2
137 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */
138 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 0xD0000000 /* CS1 */
139 #define AT91_SPI_CLK 15000000
140 #endif
142 #ifdef CONFIG_AT91SAM9G20EK
143 #define DATAFLASH_TCSS (0x22 << 16)
144 #else
145 #define DATAFLASH_TCSS (0x1a << 16)
146 #endif
147 #define DATAFLASH_TCHS (0x1 << 24)
149 /* NAND flash */
150 #ifdef CONFIG_CMD_NAND
151 #define CONFIG_NAND_ATMEL
152 #define CONFIG_SYS_MAX_NAND_DEVICE 1
153 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
154 #define CONFIG_SYS_NAND_DBW_8
155 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
156 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
157 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
158 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
159 #endif
161 /* NOR flash - no real flash on this board */
162 #define CONFIG_SYS_NO_FLASH 1
164 /* Ethernet */
165 #define CONFIG_MACB 1
166 #define CONFIG_RMII 1
167 #define CONFIG_NET_RETRY_COUNT 20
168 #define CONFIG_RESET_PHY_R 1
170 /* USB */
171 #define CONFIG_USB_ATMEL
172 #define CONFIG_USB_OHCI_NEW 1
173 #define CONFIG_DOS_PARTITION 1
174 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1
175 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */
176 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
177 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
178 #define CONFIG_USB_STORAGE 1
179 #define CONFIG_CMD_FAT 1
181 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
183 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
184 #define CONFIG_SYS_MEMTEST_END 0x23e00000
186 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0
188 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
189 #define CONFIG_ENV_IS_IN_DATAFLASH 1
190 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
191 #define CONFIG_ENV_OFFSET 0x4200
192 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
193 #define CONFIG_ENV_SIZE 0x4200
194 #define CONFIG_BOOTCOMMAND "cp.b 0xC0084000 0x22000000 0x210000; bootm"
195 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \
196 "root=/dev/mtdblock0 " \
197 "mtdparts=atmel_nand:-(root) " \
198 "rw rootfstype=jffs2"
200 #elif CONFIG_SYS_USE_DATAFLASH_CS1
202 /* bootstrap + u-boot + env + linux in dataflash on CS1 */
203 #define CONFIG_ENV_IS_IN_DATAFLASH 1
204 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400)
205 #define CONFIG_ENV_OFFSET 0x4200
206 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET)
207 #define CONFIG_ENV_SIZE 0x4200
208 #define CONFIG_BOOTCOMMAND "cp.b 0xD0084000 0x22000000 0x210000; bootm"
209 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \
210 "root=/dev/mtdblock0 " \
211 "mtdparts=atmel_nand:-(root) " \
212 "rw rootfstype=jffs2"
214 #else /* CONFIG_SYS_USE_NANDFLASH */
216 /* bootstrap + u-boot + env + linux in nandflash */
217 #define CONFIG_ENV_IS_IN_NAND 1
218 #define CONFIG_ENV_OFFSET 0xc0000
219 #define CONFIG_ENV_OFFSET_REDUND 0x100000
220 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */
221 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm"
222 #define CONFIG_BOOTARGS \
223 "console=ttyS0,115200 earlyprintk " \
224 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \
225 "256k(env),256k(env_redundant),256k(spare)," \
226 "512k(dtb),6M(kernel)ro,-(rootfs) " \
227 "root=/dev/mtdblock7 rw rootfstype=jffs2"
229 #endif
231 #define CONFIG_SYS_PROMPT "U-Boot> "
232 #define CONFIG_SYS_CBSIZE 256
233 #define CONFIG_SYS_MAXARGS 16
234 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
235 #define CONFIG_SYS_LONGHELP 1
236 #define CONFIG_CMDLINE_EDITING 1
237 #define CONFIG_AUTO_COMPLETE
239 /*
240 * Size of malloc() pool
241 */
242 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
244 #endif