2 * (C) Copyright 2007-2008
3 * Stelian Pop <stelian@popies.net>
4 * Lead Tech Design <www.leadtechdesign.com>
7 * Achim Ehrlich <aehrlich@taskit.de>
8 * taskit GmbH <www.taskit.de>
11 * Markus Hubig <mhubig@imko.de>
12 * IMKO GmbH <www.imko.de>
14 * Configuation settings for the stamp9g20 CPU module.
16 * See file CREDITS for list of people who contributed to this
19 * This program is free software; you can redistribute it and/or
20 * modify it under the terms of the GNU General Public License as
21 * published by the Free Software Foundation; either version 2 of
22 * the License, or (at your option) any later version.
24 * This program is distributed in the hope that it will be useful,
25 * but WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
27 * GNU General Public License for more details.
29 * You should have received a copy of the GNU General Public License
30 * along with this program; if not, write to the Free Software
31 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
39 * SoC must be defined first, before hardware.h is included.
40 * In this case SoC is defined in boards.cfg.
42 #include <asm/hardware.h>
45 * Warning: changing CONFIG_SYS_TEXT_BASE requires adapting the initial boot
46 * program. Since the linker has to swallow that define, we must use a pure
49 #define CONFIG_SYS_TEXT_BASE 0x23f00000
51 /* ARM asynchronous clock */
52 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
53 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* 18.432MHz crystal */
54 #define CONFIG_SYS_HZ 1000 /* 1ms resolution */
57 #define CONFIG_CMDLINE_TAG /* pass commandline to Kernel */
58 #define CONFIG_SETUP_MEMORY_TAGS /* pass memory defs to kernel */
59 #define CONFIG_INITRD_TAG /* pass initrd param to kernel */
60 #define CONFIG_SKIP_LOWLEVEL_INIT /* U-Boot is loaded by a bootloader */
61 #define CONFIG_BOARD_EARLY_INIT_f /* call board_early_init_f() */
62 #define CONFIG_DISPLAY_CPUINFO /* display CPU Info at startup */
64 /* setting board specific options */
65 #ifdef CONFIG_PORTUXG20
66 # define CONFIG_MACH_TYPE MACH_TYPE_PORTUXG20
69 # define CONFIG_MACH_TYPE MACH_TYPE_STAMP9G20
73 * SDRAM: 1 bank, 64 MB, base address 0x20000000
74 * Already initialized before u-boot gets started.
76 #define CONFIG_NR_DRAM_BANKS 1
77 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
78 #define CONFIG_SYS_SDRAM_SIZE (64 << 20)
81 * Perform a SDRAM Memtest from the start of SDRAM
82 * till the beginning of the U-Boot position in RAM.
84 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
85 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_TEXT_BASE - 0x100000)
87 /* Size of malloc() pool */
88 #define CONFIG_SYS_MALLOC_LEN \
89 ROUND(3 * CONFIG_ENV_SIZE + (128 << 10), 0x1000)
92 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
93 * leaving the correct space for initial global data structure above that
94 * address while providing maximum stack area below.
96 #define CONFIG_SYS_INIT_SP_ADDR \
97 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
99 /* NAND flash settings */
100 #define CONFIG_NAND_ATMEL
101 #define CONFIG_SYS_NO_FLASH
102 #define CONFIG_SYS_MAX_NAND_DEVICE 1
103 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
104 #define CONFIG_SYS_NAND_DBW_8
105 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
106 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
107 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
108 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
110 /* general purpose I/O */
111 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
112 #define CONFIG_AT91_GPIO /* enable the GPIO features */
113 #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */
116 #define CONFIG_ATMEL_USART
117 #define CONFIG_USART_BASE ATMEL_BASE_DBGU
118 #define CONFIG_USART_ID ATMEL_ID_SYS
119 #define CONFIG_BAUDRATE 115200
121 /* LED configuration */
122 #define CONFIG_STATUS_LED
123 #define CONFIG_BOARD_SPECIFIC_LED
126 #define CONFIG_RED_LED AT91_PIN_PC5
127 #define CONFIG_GREEN_LED AT91_PIN_PC4
128 #define CONFIG_YELLOW_LED AT91_PIN_PC10
130 #define STATUS_LED_RED 0
131 #define STATUS_LED_GREEN 1
132 #define STATUS_LED_YELLOW 2
135 #define STATUS_LED_BIT STATUS_LED_RED
136 #define STATUS_LED_STATE STATUS_LED_OFF
137 #define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2)
140 #define STATUS_LED_BIT1 STATUS_LED_GREEN
141 #define STATUS_LED_STATE1 STATUS_LED_ON
142 #define STATUS_LED_PERIOD1 (CONFIG_SYS_HZ / 2)
145 #define STATUS_LED_BIT2 STATUS_LED_YELLOW
146 #define STATUS_LED_STATE2 STATUS_LED_OFF
147 #define STATUS_LED_PERIOD2 (CONFIG_SYS_HZ / 2)
149 /* Boot status LED */
150 #define STATUS_LED_BOOT STATUS_LED_GREEN
153 * Ethernet configuration
155 * PortuxG20 has always ethernet but for Stamp9G20 you
156 * can enable it here if your baseboard features ethernet.
159 /* #define CONFIG_MACB */
162 # define CONFIG_RMII /* use reduced MII inteface */
163 # define CONFIG_NET_RETRY_COUNT 20 /* # of DHCP/BOOTP retries */
165 /* BOOTP and DHCP options */
166 # define CONFIG_BOOTP_BOOTFILESIZE
167 # define CONFIG_BOOTP_BOOTPATH
168 # define CONFIG_BOOTP_GATEWAY
169 # define CONFIG_BOOTP_HOSTNAME
170 # define CONFIG_NFSBOOTCOMMAND \
171 "setenv autoload yes; setenv autoboot yes; " \
172 "setenv bootargs ${basicargs} ${mtdparts} " \
173 "root=/dev/nfs ip=dhcp nfsroot=${serverip}:/srv/nfs/rootfs; " \
175 #endif /* CONFIG_MACB */
177 /* Enable the watchdog */
178 #define CONFIG_AT91SAM9_WATCHDOG
179 #define CONFIG_HW_WATCHDOG
181 /* USB configuration */
182 #define CONFIG_USB_ATMEL
183 #define CONFIG_USB_OHCI_NEW
184 #define CONFIG_USB_STORAGE
185 #define CONFIG_DOS_PARTITION
186 #define CONFIG_SYS_USB_OHCI_CPU_INIT
187 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_UHP_BASE
188 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
189 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
191 /* General Boot Parameter */
192 #define CONFIG_BOOTDELAY 3
193 #define CONFIG_BOOTCOMMAND "run flashboot"
194 #define CONFIG_SYS_PROMPT "U-Boot> "
195 #define CONFIG_SYS_CBSIZE 256
196 #define CONFIG_SYS_MAXARGS 16
197 #define CONFIG_SYS_PBSIZE \
198 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
199 #define CONFIG_SYS_LONGHELP
200 #define CONFIG_CMDLINE_EDITING
203 * RAM Memory address where to put the
204 * Linux Kernel befor starting.
206 #define CONFIG_SYS_LOAD_ADDR 0x22000000
209 * The NAND Flash partitions:
210 * ==========================================
211 * 0x0000000-0x001ffff -> 128k, bootstrap
212 * 0x0020000-0x005ffff -> 256k, u-boot
213 * 0x0060000-0x007ffff -> 128k, env1
214 * 0x0080000-0x009ffff -> 128k, env2 (backup)
215 * 0x0100000-0x06fffff -> 6M, kernel
216 * 0x0700000-0x8000000 -> 121M, RootFS
218 #define CONFIG_ENV_IS_IN_NAND
219 #define CONFIG_ENV_OFFSET ((128 + 256) << 10)
220 #define CONFIG_ENV_OFFSET_REDUND ((128 + 256 + 128) << 10)
221 #define CONFIG_ENV_SIZE (128 << 10)
224 * Predefined environment variables.
225 * Usefull to define some easy to use boot commands.
227 #define CONFIG_EXTRA_ENV_SETTINGS \
229 "basicargs=console=ttyS0,115200\0" \
231 "mtdparts=mtdparts=atmel_nand:128k(bootstrap)ro," \
232 "256k(uboot)ro,128k(env1)ro," \
233 "128k(env2)ro,6M(linux),-(root)rw\0" \
235 "flashboot=setenv bootargs ${basicargs} ${mtdparts} " \
236 "root=/dev/mtdblock5 rootfstype=jffs2; " \
237 "nand read 0x22000000 0x100000 0x600000; " \
240 "sdboot=setenv bootargs ${basicargs} ${mtdparts} " \
241 "root=/dev/mmcblk0p1 rootwait; " \
242 "nand read 0x22000000 0x100000 0x600000; " \
245 /* Command line & features configuration */
246 #include <config_cmd_default.h>
247 #undef CONFIG_CMD_FPGA
248 #undef CONFIG_CMD_IMI
249 #undef CONFIG_CMD_IMLS
250 #undef CONFIG_CMD_LOADS
252 #define CONFIG_CMD_NAND
253 #define CONFIG_CMD_USB
254 #define CONFIG_CMD_FAT
255 #define CONFIG_CMD_LED
258 # define CONFIG_CMD_PING
259 # define CONFIG_CMD_DHCP
261 # undef CONFIG_CMD_BOOTD
262 # undef CONFIG_CMD_NET
263 # undef CONFIG_CMD_NFS
264 #endif /* CONFIG_MACB */
266 #endif /* __CONFIG_H */