4 * Configuration settings for the CMC PU2 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,
29 * If we are developing, we might want to start armboot from ram
30 * so we MUST NOT initialize critical regs like mem-timing ...
32 #define CONFIG_INIT_CRITICAL
34 /* ARM asynchronous clock */
35 #define AT91C_MAIN_CLOCK 207360000 /* from 18.432 MHz crystal (18432000 / 4 * 45) */
36 #define AT91C_MASTER_CLOCK 69120000 /* peripheral clock (AT91C_MASTER_CLOCK / 3) */
38 #define AT91_SLOW_CLOCK 32768 /* slow clock */
40 #define CONFIG_AT91RM9200DK 1 /* on an AT91RM9200DK Board */
41 #define CONFIG_CMC_PU2 1 /* on an CMC_PU2 Board */
42 #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
43 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
44 #define CONFIG_SETUP_MEMORY_TAGS 1
45 #define CONFIG_INITRD_TAG 1
47 #ifdef CONFIG_INIT_CRITICAL
48 #define CFG_USE_MAIN_OSCILLATOR 1
50 #define MC_PUIA_VAL 0x00000000
51 #define MC_PUP_VAL 0x00000000
52 #define MC_PUER_VAL 0x00000000
53 #define MC_ASR_VAL 0x00000000
54 #define MC_AASR_VAL 0x00000000
55 #define EBI_CFGR_VAL 0x00000000
56 #define SMC2_CSR_VAL 0x100032ad /* 16bit, 2 TDF, 4 WS */
59 #define PLLAR_VAL 0x202CBE04 /* 207.360 MHz for PCK */
60 #define PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */
61 #define MCKR_VAL 0x00000202 /* PCK/3 = MCK Master Clock = 69.120MHz from PLLA */
64 #define PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */
65 #define PIOC_BSR_VAL 0x00000000
66 #define PIOC_PDR_VAL 0xFFFF0000
67 #define EBI_CSA_VAL 0x00000002 /* CS1=SDRAM */
68 #define SDRC_CR_VAL 0x3399c1d4 /* set up the SDRAM */
69 #define SDRAM 0x20000000 /* address of the SDRAM */
70 #define SDRAM1 0x20000080 /* address of the SDRAM */
71 #define SDRAM_VAL 0x00000000 /* value written to SDRAM */
72 #define SDRC_MR_VAL 0x00000002 /* Precharge All */
73 #define SDRC_MR_VAL1 0x00000004 /* refresh */
74 #define SDRC_MR_VAL2 0x00000003 /* Load Mode Register */
75 #define SDRC_MR_VAL3 0x00000000 /* Normal Mode */
76 #define SDRC_TR_VAL 0x000002E0 /* Write refresh rate */
77 #endif /* CONFIG_INIT_CRITICAL */
80 * Size of malloc() pool
82 #define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024)
83 #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
85 #define CONFIG_BAUDRATE 9600
87 #define CFG_AT91C_BRGR_DIVISOR 450 /* hardcode so no __divsi3 : AT91C_MASTER_CLOCK /(baudrate * 16) */
93 /* define one of these to choose the DBGU, USART0 or USART1 as console */
98 #undef CONFIG_HWFLOW /* don't include RTS/CTS flow control support */
100 #undef CONFIG_MODEM_SUPPORT /* disable modem initialization stuff */
102 #define CONFIG_HARD_I2C
104 #ifdef CONFIG_HARD_I2C
105 #define CFG_I2C_SPEED 0 /* not used */
106 #define CFG_I2C_SLAVE 0 /* not used */
107 #define CONFIG_RTC_RS5C372A /* RICOH I2C RTC */
108 #define CFG_I2C_RTC_ADDR 0x32
109 #define CFG_I2C_EEPROM_ADDR 0x50
110 #define CFG_I2C_EEPROM_ADDR_LEN 1
111 #define CFG_I2C_EEPROM_ADDR_OVERFLOW
113 /* still about 20 kB free with this defined */
116 #define CONFIG_BOOTDELAY 3
118 #ifdef CONFIG_HARD_I2C
119 #define CONFIG_COMMANDS \
127 ~(CFG_CMD_FPGA | CFG_CMD_MISC) )
129 #define CONFIG_COMMANDS \
134 ~(CFG_CMD_FPGA | CFG_CMD_MISC) )
135 #define CONFIG_TIMESTAMP
139 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
140 #include <cmd_confdefs.h>
142 #define AT91_SMART_MEDIA_ALE (1 << 22) /* our ALE is AD22 */
143 #define AT91_SMART_MEDIA_CLE (1 << 21) /* our CLE is AD21 */
145 #define CONFIG_NR_DRAM_BANKS 1
146 #define PHYS_SDRAM 0x20000000
147 #define PHYS_SDRAM_SIZE 0x1000000 /* 16 megs */
149 #define CFG_MEMTEST_START PHYS_SDRAM
150 #define CFG_MEMTEST_END CFG_MEMTEST_START + PHYS_SDRAM_SIZE - 262144
152 #define CONFIG_DRIVER_ETHER
153 #define CONFIG_NET_RETRY_COUNT 20
154 #define CONFIG_AT91C_USE_RMII
156 #define CONFIG_HAS_DATAFLASH 1
157 #define CFG_SPI_WRITE_TOUT (5*CFG_HZ)
158 #define CFG_MAX_DATAFLASH_BANKS 2
159 #define CFG_MAX_DATAFLASH_PAGES 16384
160 #define CFG_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* Logical adress for CS0 */
161 #define CFG_DATAFLASH_LOGIC_ADDR_CS3 0xD0000000 /* Logical adress for CS3 */
163 #define PHYS_FLASH_1 0x10000000
164 #define PHYS_FLASH_SIZE 0x800000 /* 8 megs main flash */
165 #define CFG_FLASH_BASE PHYS_FLASH_1
166 #define CFG_MONITOR_BASE CFG_FLASH_BASE
167 #define CFG_MAX_FLASH_BANKS 1
168 #define CFG_MAX_FLASH_SECT 256
169 #define CFG_FLASH_ERASE_TOUT (11 * CFG_HZ) /* Timeout for Flash Erase */
170 #define CFG_FLASH_WRITE_TOUT ( 2 * CFG_HZ) /* Timeout for Flash Write */
172 #define CFG_ENV_IS_IN_FLASH 1
173 #define CFG_ENV_OFFSET 0x20000 /* after u-boot.bin */
174 #define CFG_ENV_SECT_SIZE (64 << 10) /* sectors are 64 kB */
175 #define CFG_ENV_SIZE (16 << 10) /* Use only 16 kB */
177 #define CFG_LOAD_ADDR 0x21000000 /* default load address */
179 #define CFG_BAUDRATE_TABLE { 115200, 57600, 38400, 19200, 9600 }
181 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
182 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
183 #define CFG_MAXARGS 32 /* max number of command args */
184 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
187 /*-----------------------------------------------------------------------
188 * Board specific extension for bd_info
190 * This structure is embedded in the global bd_info (bd_t) structure
191 * and can be used by the board specific code (eg board/...)
195 /* helper variable for board environment handling
197 * env_crc_valid == 0 => uninitialised
198 * env_crc_valid > 0 => environment crc in flash is valid
199 * env_crc_valid < 0 => environment crc in flash is invalid
203 #endif /* __ASSEMBLY__ */
206 #define CFG_HZ_CLOCK AT91C_MASTER_CLOCK/2 /* AT91C_TC0_CMR is implicitly set to */
207 /* AT91C_TC_TIMER_DIV1_CLOCK */
209 #define CONFIG_STACKSIZE (32*1024) /* regular stack */
211 #ifdef CONFIG_USE_IRQ
212 #error CONFIG_USE_IRQ not supported
215 #endif /* __CONFIG_H */