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 /* ARM asynchronous clock */
31 * from 18.432 MHz crystal
34 #define AT91C_MAIN_CLOCK 179712000
37 * (AT91C_MASTER_CLOCK / 3)
39 #define AT91C_MASTER_CLOCK 59904000
41 #define AT91_SLOW_CLOCK 32768 /* slow clock */
43 #define CONFIG_ARM920T 1 /* This is an ARM920T Core */
44 #define CONFIG_AT91RM9200 1 /* It's an Atmel AT91RM9200 SoC */
45 #define CONFIG_AT91RM9200EK 1 /* on an AT91RM9200EK Board */
46 #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
47 #define USE_920T_MMU 1
49 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
50 #define CONFIG_SETUP_MEMORY_TAGS 1
51 #define CONFIG_INITRD_TAG 1
56 #ifndef CONFIG_SKIP_LOWLEVEL_INIT
57 #define CONFIG_SYS_USE_MAIN_OSCILLATOR 1
59 #define CONFIG_SYS_MC_PUIA_VAL 0x00000000
60 #define CONFIG_SYS_MC_PUP_VAL 0x00000000
61 #define CONFIG_SYS_MC_PUER_VAL 0x00000000
62 #define CONFIG_SYS_MC_ASR_VAL 0x00000000
63 #define CONFIG_SYS_MC_AASR_VAL 0x00000000
64 #define CONFIG_SYS_EBI_CFGR_VAL 0x00000000
65 #define CONFIG_SYS_SMC_CSR0_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */
68 #define CONFIG_SYS_PLLAR_VAL 0x20263E04 /* 179.712000 MHz for PCK */
69 #define CONFIG_SYS_PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */
70 /* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */
71 #define CONFIG_SYS_MCKR_VAL 0x00000202
74 #define CONFIG_SYS_PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */
75 #define CONFIG_SYS_PIOC_BSR_VAL 0x00000000
76 #define CONFIG_SYS_PIOC_PDR_VAL 0xFFFF0000
77 #define CONFIG_SYS_EBI_CSA_VAL 0x00000002 /* CS1=CONFIG_SYS_SDRAM */
78 #define CONFIG_SYS_SDRC_CR_VAL 0x2188c155 /* set up the CONFIG_SYS_SDRAM */
79 #define CONFIG_SYS_SDRAM 0x20000000 /* address of the CONFIG_SYS_SDRAM */
80 #define CONFIG_SYS_SDRAM1 0x20000080 /* address of the CONFIG_SYS_SDRAM */
81 #define CONFIG_SYS_SDRAM_VAL 0x00000000 /* value written to CONFIG_SYS_SDRAM */
82 #define CONFIG_SYS_SDRC_MR_VAL 0x00000002 /* Precharge All */
83 #define CONFIG_SYS_SDRC_MR_VAL1 0x00000004 /* refresh */
84 #define CONFIG_SYS_SDRC_MR_VAL2 0x00000003 /* Load Mode Register */
85 #define CONFIG_SYS_SDRC_MR_VAL3 0x00000000 /* Normal Mode */
86 #define CONFIG_SYS_SDRC_TR_VAL 0x000002E0 /* Write refresh rate */
88 #define CONFIG_SKIP_RELOCATE_UBOOT
89 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */
91 /* hardcode so no __divsi3 : AT91C_MASTER_CLOCK / baudrate / 16 */
92 #define CONFIG_SYS_AT91C_BRGR_DIVISOR 33
95 * Memory Configuration
97 #define CONFIG_NR_DRAM_BANKS 1
98 #define PHYS_SDRAM 0x20000000
99 #define PHYS_SDRAM_SIZE 0x02000000 /* 32 megs */
101 #define CONFIG_SYS_MEMTEST_START PHYS_SDRAM
102 #define CONFIG_SYS_MEMTEST_END \
103 (CONFIG_SYS_MEMTEST_START + PHYS_SDRAM_SIZE - 262144)
112 * define one of these to choose the DBGU,
113 * USART0 or USART1 as console
118 /* don't include RTS/CTS flow control support */
120 /* disable modem initialization stuff */
121 #undef CONFIG_MODEM_SUPPORT
123 #define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 }
124 #define CONFIG_BAUDRATE 115200
127 * Command line configuration.
129 #include <config_cmd_default.h>
131 #define CONFIG_CMD_DHCP
132 #define CONFIG_CMD_FAT
133 #define CONFIG_CMD_MII
134 #define CONFIG_CMD_PING
136 #undef CONFIG_CMD_BDI
137 #undef CONFIG_CMD_IMI
138 #undef CONFIG_CMD_FPGA
139 #undef CONFIG_CMD_MISC
140 #undef CONFIG_CMD_LOADS
142 #include <asm/arch/AT91RM9200.h> /* needed for port definitions */
143 /* Options for MMC/SD Card */
144 #define CONFIG_DOS_PARTITION 1
146 #define CONFIG_SYS_MMC_BASE 0xFFFB4000
147 #define CONFIG_SYS_MMC_BLOCKSIZE 512
150 * Network Driver Setting
152 #define CONFIG_DRIVER_ETHER
153 #define CONFIG_NET_RETRY_COUNT 20
154 #define CONFIG_AT91C_USE_RMII
158 * DLYBS = tCSS = 250ns min and DLYBCT = tCSH = 250ns
160 #define DATAFLASH_TCSS (0xC << 16)
161 #define DATAFLASH_TCHS (0x1 << 24)
163 #if defined(CONFIG_HAS_DATAFLASH)
164 #define CONFIG_SYS_SPI_WRITE_TOUT (5 * CONFIG_SYS_HZ)
165 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 2
166 #define CONFIG_SYS_MAX_DATAFLASH_PAGES 16384
167 /* Logical adress for CS0 */
168 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000
169 /* Logical adress for CS3 */
170 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS3 0xD0000000
171 #define CONFIG_SYS_SUPPORT_BLOCK_ERASE 1
172 #define CONFIG_SYS_DATAFLASH_MMC_PIO AT91C_PIO_PB22
178 #define CONFIG_SYS_FLASH_BASE 0x10000000
179 #define PHYS_FLASH_SIZE 0x800000 /* 8MB */
180 #define CONFIG_SYS_FLASH_CFI 1
181 #define CONFIG_FLASH_CFI_DRIVER 1
182 #define CONFIG_SYS_MAX_FLASH_BANKS 1
183 #define CONFIG_SYS_MAX_FLASH_SECT 256
184 #define CONFIG_SYS_FLASH_PROTECTION
187 * Environment Settings
189 #ifdef CONFIG_ENV_IS_IN_DATAFLASH
191 * Datasflash Environment Settings
193 #define CONFIG_ENV_OFFSET 0x4200
194 #define CONFIG_ENV_ADDR \
195 (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
196 /* 8 * 1056 really , but start.s is not OK with this*/
197 #define CONFIG_ENV_SIZE 0x2000
201 * NOR Flash Environment Settings
203 #define CONFIG_ENV_IS_IN_FLASH 1
205 #ifdef CONFIG_SKIP_LOWLEVEL_INIT
207 * between boot.bin and u-boot.bin.gz
209 #define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0xe000)
210 #define CONFIG_ENV_SIZE 0x10000 /* sectors are 64K here */
215 #define CONFIG_ENV_ADDR \
216 (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_MONITOR_LEN)
217 #define CONFIG_ENV_SIZE 0x10000 /* sectors are 64K here */
218 /* The following #defines are needed to get flash environment right */
219 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
220 #define CONFIG_SYS_MONITOR_LEN \
221 (CONFIG_SYS_BOOT_SIZE + CONFIG_SYS_U_BOOT_SIZE)
222 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */
224 #endif /* CONFIG_ENV_IS_IN_DATAFLASH */
229 #define CONFIG_BOOTDELAY 3
231 #ifdef CONFIG_SKIP_LOWLEVEL_INIT
232 /* boot.bin, env, u-boot.bin.gz */
233 #define CONFIG_SYS_BOOT_SIZE 0x6000 /* 24 KBytes */
234 #define CONFIG_SYS_U_BOOT_BASE (CONFIG_SYS_FLASH_BASE + 0x10000)
235 #define CONFIG_SYS_U_BOOT_SIZE 0x10000 /* 64 KBytes */
238 #define CONFIG_SYS_BOOT_SIZE 0x0 /* 0 KBytes */
239 #define CONFIG_SYS_U_BOOT_BASE CONFIG_SYS_FLASH_BASE
240 #define CONFIG_SYS_U_BOOT_SIZE 0x40000 /* 128 KBytes */
241 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */
243 #define CONFIG_SYS_LOAD_ADDR 0x21000000 /* default load address */
244 #define CONFIG_ENV_OVERWRITE 1
249 #define CONFIG_CMD_USB
250 #define CONFIG_USB_OHCI_NEW 1
251 #define CONFIG_USB_KEYBOARD 1
252 #define CONFIG_USB_STORAGE 1
253 #define CONFIG_DOS_PARTITION 1
255 #undef CONFIG_SYS_USB_OHCI_BOARD_INIT
256 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1
257 #define CONFIG_SYS_USB_OHCI_REGS_BASE AT91_USB_HOST_BASE
258 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91rm9200"
259 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 15
264 #define CONFIG_HARD_I2C
266 #ifdef CONFIG_HARD_I2C
267 #define CONFIG_CMD_I2C
268 #define CONFIG_I2C_CMD_TREE
269 #define CONFIG_SYS_I2C_SPEED 0 /* not used */
270 #define CONFIG_SYS_I2C_SLAVE 0 /* not used */
276 #define CONFIG_CMDLINE_EDITING 1
277 #define CONFIG_SYS_LONGHELP 1
278 #define CONFIG_AUTO_COMPLETE 1
279 #define CONFIG_SYS_HUSH_PARSER 1
280 #define CONFIG_SYS_PROMPT "U-Boot> "
281 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
282 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
283 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
284 /* Print Buffer Size */
285 #define CONFIG_SYS_PBSIZE \
286 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
289 /*-----------------------------------------------------------------------
290 * Board specific extension for bd_info
292 * This structure is embedded in the global bd_info (bd_t) structure
293 * and can be used by the board specific code (eg board/...)
297 /* helper variable for board environment handling
299 * env_crc_valid == 0 => uninitialised
300 * env_crc_valid > 0 => environment crc in flash is valid
301 * env_crc_valid < 0 => environment crc in flash is invalid
307 #define CONFIG_SYS_HZ 1000
309 * AT91C_TC0_CMR is implicitly set to
310 * AT91C_TC_TIMER_DIV1_CLOCK
312 #define CONFIG_SYS_HZ_CLOCK (AT91C_MASTER_CLOCK / 2)
314 #define ROUND(A, B) (((A) + (B)) & ~((B) - 1))
316 * Size of malloc() pool
318 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128 * 1024 \
320 /* size in bytes reserved for initial data */
321 #define CONFIG_SYS_GBL_DATA_SIZE 128
323 #define CONFIG_STACKSIZE (32 * 1024) /* regular stack */
324 #define CONFIG_STACKSIZE_IRQ (4 * 1024) /* Unsure if to big or to small*/
325 #define CONFIG_STACKSIZE_FIQ (4 * 1024) /* Unsure if to big or to small*/