2 * Rick Bronson <rick@efn.org>
4 * Configuration settings for the AT91RM9200DK board.
6 * See file CREDITS for list of people who contributed to this
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 /* ARM asynchronous clock */
29 #define AT91C_MAIN_CLOCK 179712000 /* from 18.432 MHz crystal (18432000 / 4 * 39) */
30 #define AT91C_MASTER_CLOCK 59904000 /* peripheral clock (AT91C_MASTER_CLOCK / 3) */
31 /* #define AT91C_MASTER_CLOCK 44928000 */ /* peripheral clock (AT91C_MASTER_CLOCK / 4) */
33 #define AT91_SLOW_CLOCK 32768 /* slow clock */
35 #define CONFIG_ARM920T 1 /* This is an ARM920T Core */
36 #define CONFIG_AT91RM9200 1 /* It's an Atmel AT91RM9200 SoC */
37 #define CONFIG_AT91RM9200DK 1 /* on an AT91RM9200DK Board */
38 #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
39 #define USE_920T_MMU 1
41 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
42 #define CONFIG_SETUP_MEMORY_TAGS 1
43 #define CONFIG_INITRD_TAG 1
45 #ifndef CONFIG_SKIP_LOWLEVEL_INIT
46 #define CONFIG_SYS_USE_MAIN_OSCILLATOR 1
48 #define CONFIG_SYS_EBI_CFGR_VAL 0x00000000
49 #define CONFIG_SYS_SMC_CSR0_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */
52 #define CONFIG_SYS_PLLAR_VAL 0x20263E04 /* 179.712000 MHz for PCK */
53 #define CONFIG_SYS_PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */
54 #define CONFIG_SYS_MCKR_VAL 0x00000202 /* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */
57 #define CONFIG_SYS_PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */
58 #define CONFIG_SYS_PIOC_BSR_VAL 0x00000000
59 #define CONFIG_SYS_PIOC_PDR_VAL 0xFFFF0000
60 #define CONFIG_SYS_EBI_CSA_VAL 0x00000002 /* CS1=CONFIG_SYS_SDRAM */
61 #define CONFIG_SYS_SDRC_CR_VAL 0x2188c155 /* set up the CONFIG_SYS_SDRAM */
62 #define CONFIG_SYS_SDRAM 0x20000000 /* address of the CONFIG_SYS_SDRAM */
63 #define CONFIG_SYS_SDRAM1 0x20000080 /* address of the CONFIG_SYS_SDRAM */
64 #define CONFIG_SYS_SDRAM_VAL 0x00000000 /* value written to CONFIG_SYS_SDRAM */
65 #define CONFIG_SYS_SDRC_MR_VAL 0x00000002 /* Precharge All */
66 #define CONFIG_SYS_SDRC_MR_VAL1 0x00000004 /* refresh */
67 #define CONFIG_SYS_SDRC_MR_VAL2 0x00000003 /* Load Mode Register */
68 #define CONFIG_SYS_SDRC_MR_VAL3 0x00000000 /* Normal Mode */
69 #define CONFIG_SYS_SDRC_TR_VAL 0x000002E0 /* Write refresh rate */
71 #define CONFIG_SKIP_RELOCATE_UBOOT
72 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */
74 * Size of malloc() pool
76 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128*1024)
77 #define CONFIG_SYS_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
79 #define CONFIG_BAUDRATE 115200
85 /* define one of these to choose the DBGU, USART0 or USART1 as console */
86 #define CONFIG_AT91RM9200_USART
91 #undef CONFIG_HWFLOW /* don't include RTS/CTS flow control support */
93 #undef CONFIG_MODEM_SUPPORT /* disable modem initialization stuff */
95 #define CONFIG_BOOTDELAY 3
96 /* #define CONFIG_ENV_OVERWRITE 1 */
102 #define CONFIG_BOOTP_BOOTFILESIZE
103 #define CONFIG_BOOTP_BOOTPATH
104 #define CONFIG_BOOTP_GATEWAY
105 #define CONFIG_BOOTP_HOSTNAME
109 * Command line configuration.
111 #include <config_cmd_default.h>
113 #define CONFIG_CMD_DHCP
114 #define CONFIG_CMD_MII
116 #include <asm/arch/AT91RM9200.h> /* needed for port definitions */
118 #define CONFIG_NR_DRAM_BANKS 1
119 #define PHYS_SDRAM 0x20000000
120 #define PHYS_SDRAM_SIZE 0x2000000 /* 32 megs */
122 #define CONFIG_SYS_MEMTEST_START PHYS_SDRAM
123 #define CONFIG_SYS_MEMTEST_END CONFIG_SYS_MEMTEST_START + PHYS_SDRAM_SIZE - 262144
125 #define CONFIG_DRIVER_ETHER
126 #define CONFIG_NET_RETRY_COUNT 20
127 #define CONFIG_AT91C_USE_RMII
129 /* AC Characteristics */
130 /* DLYBS = tCSS = 250ns min and DLYBCT = tCSH = 250ns */
131 #define DATAFLASH_TCSS (0xC << 16)
132 #define DATAFLASH_TCHS (0x1 << 24)
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_MAX_DATAFLASH_PAGES 16384
138 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* Logical adress for CS0 */
139 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS3 0xD0000000 /* Logical adress for CS3 */
141 #define PHYS_FLASH_1 0x10000000
142 #define PHYS_FLASH_SIZE 0x200000 /* 2 megs main flash */
143 #define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1
144 #define CONFIG_SYS_MAX_FLASH_BANKS 1
145 #define CONFIG_SYS_MAX_FLASH_SECT 256
146 #define CONFIG_SYS_FLASH_ERASE_TOUT (2*CONFIG_SYS_HZ) /* Timeout for Flash Erase */
147 #define CONFIG_SYS_FLASH_WRITE_TOUT (2*CONFIG_SYS_HZ) /* Timeout for Flash Write */
149 #undef CONFIG_ENV_IS_IN_DATAFLASH
151 #ifdef CONFIG_ENV_IS_IN_DATAFLASH
152 #define CONFIG_ENV_OFFSET 0x20000
153 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
154 #define CONFIG_ENV_SIZE 0x2000 /* 0x8000 */
156 #define CONFIG_ENV_IS_IN_FLASH 1
157 #ifdef CONFIG_SKIP_LOWLEVEL_INIT
158 #define CONFIG_ENV_ADDR (PHYS_FLASH_1 + 0xe000) /* between boot.bin and u-boot.bin.gz */
159 #define CONFIG_ENV_SIZE 0x2000 /* 0x8000 */
161 #define CONFIG_ENV_ADDR (PHYS_FLASH_1 + 0x60000) /* after u-boot.bin */
162 #define CONFIG_ENV_SIZE 0x10000 /* sectors are 64K here */
163 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */
164 #endif /* CONFIG_ENV_IS_IN_DATAFLASH */
167 #define CONFIG_SYS_LOAD_ADDR 0x21000000 /* default load address */
169 #ifdef CONFIG_SKIP_LOWLEVEL_INIT
170 #define CONFIG_SYS_BOOT_SIZE 0x6000 /* 24 KBytes */
171 #define CONFIG_SYS_U_BOOT_BASE (PHYS_FLASH_1 + 0x10000)
172 #define CONFIG_SYS_U_BOOT_SIZE 0x10000 /* 64 KBytes */
174 #define CONFIG_SYS_BOOT_SIZE 0x00 /* 0 KBytes */
175 #define CONFIG_SYS_U_BOOT_BASE PHYS_FLASH_1
176 #define CONFIG_SYS_U_BOOT_SIZE 0x60000 /* 384 KBytes */
177 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */
179 #define CONFIG_SYS_BAUDRATE_TABLE { 115200, 19200, 38400, 57600, 9600 }
181 #define CONFIG_SYS_PROMPT "U-Boot> " /* Monitor Command Prompt */
182 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
183 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
184 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
186 #define CONFIG_SYS_HZ 1000
187 #define CONFIG_SYS_HZ_CLOCK AT91C_MASTER_CLOCK/2 /* AT91C_TC0_CMR is implicitly set to */
188 /* AT91C_TC_TIMER_DIV1_CLOCK */
190 #define CONFIG_STACKSIZE (32*1024) /* regular stack */
192 #ifdef CONFIG_USE_IRQ
193 #error CONFIG_USE_IRQ not supported