2 * Rick Bronson <rick@efn.org>
4 * Configuation 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 CFG_USE_MAIN_OSCILLATOR 1
48 #define MC_PUIA_VAL 0x00000000
49 #define MC_PUP_VAL 0x00000000
50 #define MC_PUER_VAL 0x00000000
51 #define MC_ASR_VAL 0x00000000
52 #define MC_AASR_VAL 0x00000000
53 #define EBI_CFGR_VAL 0x00000000
54 #define SMC2_CSR_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */
57 #define PLLAR_VAL 0x20263E04 /* 179.712000 MHz for PCK */
58 #define PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */
59 #define MCKR_VAL 0x00000202 /* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */
62 #define PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */
63 #define PIOC_BSR_VAL 0x00000000
64 #define PIOC_PDR_VAL 0xFFFF0000
65 #define EBI_CSA_VAL 0x00000002 /* CS1=SDRAM */
66 #define SDRC_CR_VAL 0x2188c155 /* set up the SDRAM */
67 #define SDRAM 0x20000000 /* address of the SDRAM */
68 #define SDRAM1 0x20000080 /* address of the SDRAM */
69 #define SDRAM_VAL 0x00000000 /* value written to SDRAM */
70 #define SDRC_MR_VAL 0x00000002 /* Precharge All */
71 #define SDRC_MR_VAL1 0x00000004 /* refresh */
72 #define SDRC_MR_VAL2 0x00000003 /* Load Mode Register */
73 #define SDRC_MR_VAL3 0x00000000 /* Normal Mode */
74 #define SDRC_TR_VAL 0x000002E0 /* Write refresh rate */
75 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */
77 * Size of malloc() pool
79 #define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024)
80 #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
82 #define CONFIG_BAUDRATE 115200
88 /* define one of these to choose the DBGU, USART0 or USART1 as console */
93 #undef CONFIG_HWFLOW /* don't include RTS/CTS flow control support */
95 #undef CONFIG_MODEM_SUPPORT /* disable modem initialization stuff */
97 #define CONFIG_BOOTDELAY 3
98 /* #define CONFIG_ENV_OVERWRITE 1 */
100 #define CONFIG_COMMANDS \
101 ((CONFIG_CMD_DFL | CFG_CMD_MII |\
105 CFG_CMD_AUTOSCRIPT | \
110 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
111 #include <cmd_confdefs.h>
113 #define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */
114 #define SECTORSIZE 512
116 #define ADDR_COLUMN 1
118 #define ADDR_COLUMN_PAGE 3
120 #define NAND_ChipID_UNKNOWN 0x00
121 #define NAND_MAX_FLOORS 1
122 #define NAND_MAX_CHIPS 1
124 #define AT91_SMART_MEDIA_ALE (1 << 22) /* our ALE is AD22 */
125 #define AT91_SMART_MEDIA_CLE (1 << 21) /* our CLE is AD21 */
127 #define NAND_DISABLE_CE(nand) do { *AT91C_PIOC_SODR = AT91C_PIO_PC0;} while(0)
128 #define NAND_ENABLE_CE(nand) do { *AT91C_PIOC_CODR = AT91C_PIO_PC0;} while(0)
130 #define NAND_WAIT_READY(nand) while (!(*AT91C_PIOC_PDSR & AT91C_PIO_PC2))
132 #define WRITE_NAND_COMMAND(d, adr) do{ *(volatile __u8 *)((unsigned long)adr | AT91_SMART_MEDIA_CLE) = (__u8)(d); } while(0)
133 #define WRITE_NAND_ADDRESS(d, adr) do{ *(volatile __u8 *)((unsigned long)adr | AT91_SMART_MEDIA_ALE) = (__u8)(d); } while(0)
134 #define WRITE_NAND(d, adr) do{ *(volatile __u8 *)((unsigned long)adr) = (__u8)d; } while(0)
135 #define READ_NAND(adr) ((volatile unsigned char)(*(volatile __u8 *)(unsigned long)adr))
136 /* the following are NOP's in our implementation */
137 #define NAND_CTL_CLRALE(nandptr)
138 #define NAND_CTL_SETALE(nandptr)
139 #define NAND_CTL_CLRCLE(nandptr)
140 #define NAND_CTL_SETCLE(nandptr)
142 #define CONFIG_NR_DRAM_BANKS 1
143 #define PHYS_SDRAM 0x20000000
144 #define PHYS_SDRAM_SIZE 0x2000000 /* 32 megs */
146 #define CFG_MEMTEST_START PHYS_SDRAM
147 #define CFG_MEMTEST_END CFG_MEMTEST_START + PHYS_SDRAM_SIZE - 262144
149 #define CONFIG_DRIVER_ETHER
150 #define CONFIG_NET_RETRY_COUNT 20
151 #define CONFIG_AT91C_USE_RMII
153 #define CONFIG_HAS_DATAFLASH 1
154 #define CFG_SPI_WRITE_TOUT (5*CFG_HZ)
155 #define CFG_MAX_DATAFLASH_BANKS 2
156 #define CFG_MAX_DATAFLASH_PAGES 16384
157 #define CFG_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* Logical adress for CS0 */
158 #define CFG_DATAFLASH_LOGIC_ADDR_CS3 0xD0000000 /* Logical adress for CS3 */
160 #define PHYS_FLASH_1 0x10000000
161 #define PHYS_FLASH_SIZE 0x200000 /* 2 megs main flash */
162 #define CFG_FLASH_BASE PHYS_FLASH_1
163 #define CFG_MAX_FLASH_BANKS 1
164 #define CFG_MAX_FLASH_SECT 256
165 #define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* Timeout for Flash Erase */
166 #define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* Timeout for Flash Write */
168 #undef CFG_ENV_IS_IN_DATAFLASH
170 #ifdef CFG_ENV_IS_IN_DATAFLASH
171 #define CFG_ENV_OFFSET 0x20000
172 #define CFG_ENV_ADDR (CFG_DATAFLASH_LOGIC_ADDR_CS0 + CFG_ENV_OFFSET)
173 #define CFG_ENV_SIZE 0x2000 /* 0x8000 */
175 #define CFG_ENV_IS_IN_FLASH 1
176 #ifdef CONFIG_SKIP_LOWLEVEL_INIT
177 #define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x60000) /* after u-boot.bin */
178 #define CFG_ENV_SIZE 0x10000 /* sectors are 64K here */
180 #define CFG_ENV_ADDR (PHYS_FLASH_1 + 0xe000) /* between boot.bin and u-boot.bin.gz */
181 #define CFG_ENV_SIZE 0x2000 /* 0x8000 */
182 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */
183 #endif /* CFG_ENV_IS_IN_DATAFLASH */
186 #define CFG_LOAD_ADDR 0x21000000 /* default load address */
188 #ifdef CONFIG_SKIP_LOWLEVEL_INIT
189 #define CFG_BOOT_SIZE 0x00 /* 0 KBytes */
190 #define CFG_U_BOOT_BASE PHYS_FLASH_1
191 #define CFG_U_BOOT_SIZE 0x60000 /* 384 KBytes */
193 #define CFG_BOOT_SIZE 0x6000 /* 24 KBytes */
194 #define CFG_U_BOOT_BASE (PHYS_FLASH_1 + 0x10000)
195 #define CFG_U_BOOT_SIZE 0x10000 /* 64 KBytes */
196 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */
198 #define CFG_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 }
200 #define CFG_PROMPT "U-Boot> " /* Monitor Command Prompt */
201 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
202 #define CFG_MAXARGS 16 /* max number of command args */
203 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
206 /*-----------------------------------------------------------------------
207 * Board specific extension for bd_info
209 * This structure is embedded in the global bd_info (bd_t) structure
210 * and can be used by the board specific code (eg board/...)
214 /* helper variable for board environment handling
216 * env_crc_valid == 0 => uninitialised
217 * env_crc_valid > 0 => environment crc in flash is valid
218 * env_crc_valid < 0 => environment crc in flash is invalid
225 #define CFG_HZ_CLOCK AT91C_MASTER_CLOCK/2 /* AT91C_TC0_CMR is implicitly set to */
226 /* AT91C_TC_TIMER_DIV1_CLOCK */
228 #define CONFIG_STACKSIZE (32*1024) /* regular stack */
230 #ifdef CONFIG_USE_IRQ
231 #error CONFIG_USE_IRQ not supported