2 * Ulf Samuelsson <ulf@atmel.com>
3 * Rick Bronson <rick@efn.org>
5 * Configuration settings for the AT91RM9200EK board.
7 * See file CREDITS for list of people who contributed to this
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
29 #define CONFIG_AT91_LEGACY
31 /* ARM asynchronous clock */
33 * from 18.432 MHz crystal
36 #define AT91C_MAIN_CLOCK 179712000
39 * (AT91C_MASTER_CLOCK / 3)
41 #define AT91C_MASTER_CLOCK 59904000
43 #define AT91_SLOW_CLOCK 32768 /* slow clock */
45 #define CONFIG_ARM920T 1 /* This is an ARM920T Core */
46 #define CONFIG_AT91RM9200 1 /* It's an Atmel AT91RM9200 SoC */
47 #define CONFIG_AT91RM9200EK 1 /* on an AT91RM9200EK Board */
48 #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
49 #define USE_920T_MMU 1
51 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
52 #define CONFIG_SETUP_MEMORY_TAGS 1
53 #define CONFIG_INITRD_TAG 1
58 #ifndef CONFIG_SKIP_LOWLEVEL_INIT
59 #define CONFIG_SYS_USE_MAIN_OSCILLATOR 1
61 #define CONFIG_SYS_EBI_CFGR_VAL 0x00000000
62 #define CONFIG_SYS_SMC_CSR0_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */
65 #define CONFIG_SYS_PLLAR_VAL 0x20263E04 /* 179.712000 MHz for PCK */
66 #define CONFIG_SYS_PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */
67 /* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */
68 #define CONFIG_SYS_MCKR_VAL 0x00000202
71 #define CONFIG_SYS_PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */
72 #define CONFIG_SYS_PIOC_BSR_VAL 0x00000000
73 #define CONFIG_SYS_PIOC_PDR_VAL 0xFFFF0000
74 #define CONFIG_SYS_EBI_CSA_VAL 0x00000002 /* CS1=CONFIG_SYS_SDRAM */
75 #define CONFIG_SYS_SDRC_CR_VAL 0x2188c155 /* set up the CONFIG_SYS_SDRAM */
76 #define CONFIG_SYS_SDRAM 0x20000000 /* address of the CONFIG_SYS_SDRAM */
77 #define CONFIG_SYS_SDRAM1 0x20000080 /* address of the CONFIG_SYS_SDRAM */
78 #define CONFIG_SYS_SDRAM_VAL 0x00000000 /* value written to CONFIG_SYS_SDRAM */
79 #define CONFIG_SYS_SDRC_MR_VAL 0x00000002 /* Precharge All */
80 #define CONFIG_SYS_SDRC_MR_VAL1 0x00000004 /* refresh */
81 #define CONFIG_SYS_SDRC_MR_VAL2 0x00000003 /* Load Mode Register */
82 #define CONFIG_SYS_SDRC_MR_VAL3 0x00000000 /* Normal Mode */
83 #define CONFIG_SYS_SDRC_TR_VAL 0x000002E0 /* Write refresh rate */
85 #define CONFIG_SKIP_RELOCATE_UBOOT
86 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */
88 /* hardcode so no __divsi3 : AT91C_MASTER_CLOCK / baudrate / 16 */
89 #define CONFIG_SYS_AT91C_BRGR_DIVISOR 33
92 * Memory Configuration
94 #define CONFIG_NR_DRAM_BANKS 1
95 #define PHYS_SDRAM 0x20000000
96 #define PHYS_SDRAM_SIZE 0x02000000 /* 32 megs */
98 #define CONFIG_SYS_MEMTEST_START PHYS_SDRAM
99 #define CONFIG_SYS_MEMTEST_END \
100 (CONFIG_SYS_MEMTEST_START + PHYS_SDRAM_SIZE - 262144)
109 * define one of these to choose the DBGU,
110 * USART0 or USART1 as console
112 #define CONFIG_AT91RM9200_USART
116 /* don't include RTS/CTS flow control support */
118 /* disable modem initialization stuff */
119 #undef CONFIG_MODEM_SUPPORT
121 #define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 }
122 #define CONFIG_BAUDRATE 115200
125 * Command line configuration.
127 #include <config_cmd_default.h>
129 #define CONFIG_CMD_DHCP
130 #define CONFIG_CMD_FAT
131 #define CONFIG_CMD_MII
132 #define CONFIG_CMD_PING
134 #undef CONFIG_CMD_BDI
135 #undef CONFIG_CMD_IMI
136 #undef CONFIG_CMD_FPGA
137 #undef CONFIG_CMD_MISC
138 #undef CONFIG_CMD_LOADS
140 #include <asm/arch/AT91RM9200.h> /* needed for port definitions */
141 /* Options for MMC/SD Card */
142 #define CONFIG_DOS_PARTITION 1
144 #define CONFIG_SYS_MMC_BASE 0xFFFB4000
145 #define CONFIG_SYS_MMC_BLOCKSIZE 512
148 * Network Driver Setting
150 #define CONFIG_NET_MULTI 1
151 #ifdef CONFIG_NET_MULTI
152 #define CONFIG_DRIVER_AT91EMAC 1
153 #define CONFIG_SYS_RX_ETH_BUFFER 8
155 #define CONFIG_DRIVER_ETHER 1
157 #define CONFIG_NET_RETRY_COUNT 20
158 #define CONFIG_AT91C_USE_RMII
162 * DLYBS = tCSS = 250ns min and DLYBCT = tCSH = 250ns
164 #define DATAFLASH_TCSS (0xC << 16)
165 #define DATAFLASH_TCHS (0x1 << 24)
167 #if defined(CONFIG_HAS_DATAFLASH)
168 #define CONFIG_SYS_SPI_WRITE_TOUT (5 * CONFIG_SYS_HZ)
169 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 2
170 #define CONFIG_SYS_MAX_DATAFLASH_PAGES 16384
171 /* Logical adress for CS0 */
172 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000
173 /* Logical adress for CS3 */
174 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS3 0xD0000000
175 #define CONFIG_SYS_SUPPORT_BLOCK_ERASE 1
176 #define CONFIG_SYS_DATAFLASH_MMC_PIO AT91C_PIO_PB22
182 #define CONFIG_SYS_FLASH_BASE 0x10000000
183 #define PHYS_FLASH_SIZE 0x800000 /* 8MB */
184 #define CONFIG_SYS_FLASH_CFI 1
185 #define CONFIG_FLASH_CFI_DRIVER 1
186 #define CONFIG_SYS_MAX_FLASH_BANKS 1
187 #define CONFIG_SYS_MAX_FLASH_SECT 256
188 #define CONFIG_SYS_FLASH_PROTECTION
191 * Environment Settings
193 #ifdef CONFIG_ENV_IS_IN_DATAFLASH
195 * Datasflash Environment Settings
197 #define CONFIG_ENV_OFFSET 0x4200
198 #define CONFIG_ENV_ADDR \
199 (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
200 /* 8 * 1056 really , but start.s is not OK with this*/
201 #define CONFIG_ENV_SIZE 0x2000
205 * NOR Flash Environment Settings
207 #define CONFIG_ENV_IS_IN_FLASH 1
209 #ifdef CONFIG_SKIP_LOWLEVEL_INIT
211 * between boot.bin and u-boot.bin.gz
213 #define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0xe000)
214 #define CONFIG_ENV_SIZE 0x10000 /* sectors are 64K here */
219 #define CONFIG_ENV_ADDR \
220 (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_MONITOR_LEN)
221 #define CONFIG_ENV_SIZE 0x10000 /* sectors are 64K here */
222 /* The following #defines are needed to get flash environment right */
223 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
224 #define CONFIG_SYS_MONITOR_LEN \
225 (CONFIG_SYS_BOOT_SIZE + CONFIG_SYS_U_BOOT_SIZE)
226 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */
228 #endif /* CONFIG_ENV_IS_IN_DATAFLASH */
233 #define CONFIG_BOOTDELAY 3
235 #ifdef CONFIG_SKIP_LOWLEVEL_INIT
236 /* boot.bin, env, u-boot.bin.gz */
237 #define CONFIG_SYS_BOOT_SIZE 0x6000 /* 24 KBytes */
238 #define CONFIG_SYS_U_BOOT_BASE (CONFIG_SYS_FLASH_BASE + 0x10000)
239 #define CONFIG_SYS_U_BOOT_SIZE 0x10000 /* 64 KBytes */
242 #define CONFIG_SYS_BOOT_SIZE 0x0 /* 0 KBytes */
243 #define CONFIG_SYS_U_BOOT_BASE CONFIG_SYS_FLASH_BASE
244 #define CONFIG_SYS_U_BOOT_SIZE 0x40000 /* 128 KBytes */
245 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */
247 #define CONFIG_SYS_LOAD_ADDR 0x21000000 /* default load address */
248 #define CONFIG_ENV_OVERWRITE 1
253 #define CONFIG_CMD_USB
254 #define CONFIG_USB_OHCI_NEW 1
255 #define CONFIG_USB_KEYBOARD 1
256 #define CONFIG_USB_STORAGE 1
257 #define CONFIG_DOS_PARTITION 1
259 #undef CONFIG_SYS_USB_OHCI_BOARD_INIT
260 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1
261 #define CONFIG_SYS_USB_OHCI_REGS_BASE AT91_USB_HOST_BASE
262 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91rm9200"
263 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 15
268 #define CONFIG_HARD_I2C
270 #ifdef CONFIG_HARD_I2C
271 #define CONFIG_CMD_I2C
272 #define CONFIG_SYS_I2C_SPEED 0 /* not used */
273 #define CONFIG_SYS_I2C_SLAVE 0 /* not used */
279 #define CONFIG_CMDLINE_EDITING 1
280 #define CONFIG_SYS_LONGHELP 1
281 #define CONFIG_AUTO_COMPLETE 1
282 #define CONFIG_SYS_HUSH_PARSER 1
283 #define CONFIG_SYS_PROMPT "U-Boot> "
284 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
285 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
286 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
287 /* Print Buffer Size */
288 #define CONFIG_SYS_PBSIZE \
289 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
292 /*-----------------------------------------------------------------------
293 * Board specific extension for bd_info
295 * This structure is embedded in the global bd_info (bd_t) structure
296 * and can be used by the board specific code (eg board/...)
300 /* helper variable for board environment handling
302 * env_crc_valid == 0 => uninitialised
303 * env_crc_valid > 0 => environment crc in flash is valid
304 * env_crc_valid < 0 => environment crc in flash is invalid
310 #define CONFIG_SYS_HZ 1000
312 * AT91C_TC0_CMR is implicitly set to
313 * AT91C_TC_TIMER_DIV1_CLOCK
315 #define CONFIG_SYS_HZ_CLOCK (AT91C_MASTER_CLOCK / 2)
318 * Size of malloc() pool
320 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128 * 1024 \
322 /* size in bytes reserved for initial data */
323 #define CONFIG_SYS_GBL_DATA_SIZE 128
325 #define CONFIG_STACKSIZE (32 * 1024) /* regular stack */
326 #define CONFIG_STACKSIZE_IRQ (4 * 1024) /* Unsure if to big or to small*/
327 #define CONFIG_STACKSIZE_FIQ (4 * 1024) /* Unsure if to big or to small*/