1 /* 2 * Copyright (C) 2010 Andreas Bießmann <biessmann.devel@googlemail.com> 3 * 4 * based on previous work by 5 * 6 * Ulf Samuelsson <ulf@atmel.com> 7 * Rick Bronson <rick@efn.org> 8 * 9 * Configuration settings for the AT91RM9200EK board. 10 * 11 * See file CREDITS for list of people who contributed to this 12 * project. 13 * 14 * This program is free software; you can redistribute it and/or 15 * modify it under the terms of the GNU General Public License as 16 * published by the Free Software Foundation; either version 2 of 17 * the License, or (at your option) any later version. 18 * 19 * This program is distributed in the hope that it will be useful, 20 * but WITHOUT ANY WARRANTY; without even the implied warranty of 21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 22 * GNU General Public License for more details. 23 * 24 * You should have received a copy of the GNU General Public License 25 * along with this program; if not, write to the Free Software 26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 27 * MA 02111-1307 USA 28 */ 29 30 #ifndef __AT91RM9200EK_CONFIG_H__ 31 #define __AT91RM9200EK_CONFIG_H__ 32 33 #include <asm/sizes.h> 34 35 /* 36 * set some initial configurations depending on configure target 37 * 38 * at91rm9200ek_config -> boot from 0x0 in NOR Flash at CS0 39 * at91rm9200ek_ram_config -> continue booting from 0x20100000 in RAM; lowlevel 40 * initialisation was done by some preloader 41 */ 42 #ifdef CONFIG_RAMBOOT 43 #define CONFIG_SKIP_LOWLEVEL_INIT 44 #define CONFIG_SYS_TEXT_BASE 0x20100000 45 #else 46 #define CONFIG_SYS_TEXT_BASE 0x10000000 47 #endif 48 49 /* 50 * AT91C_XTAL_CLOCK is the frequency of external xtal in hertz 51 * AT91C_MAIN_CLOCK is the frequency of PLLA output 52 * AT91C_MASTER_CLOCK is the peripherial clock 53 * CONFIG_SYS_HZ_CLOCK is the value for CCR in tc0 (divider 2 is implicitely 54 * set in arch/arm/cpu/arm920t/at91/timer.c) 55 * CONFIG_SYS_HZ is the tick rate for timer tc0 56 */ 57 #define AT91C_XTAL_CLOCK 18432000 58 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 59 #define AT91C_MAIN_CLOCK ((AT91C_XTAL_CLOCK / 4) * 39) 60 #define AT91C_MASTER_CLOCK (AT91C_MAIN_CLOCK / 3 ) 61 #define CONFIG_SYS_HZ_CLOCK (AT91C_MASTER_CLOCK / 2) 62 #define CONFIG_SYS_HZ 1000 63 64 /* CPU configuration */ 65 #define CONFIG_AT91RM9200 66 #define CONFIG_AT91RM9200EK 67 #define CONFIG_CPUAT91 68 #define USE_920T_MMU 69 70 #include <asm/hardware.h> /* needed for port definitions */ 71 72 #define CONFIG_CMDLINE_TAG 73 #define CONFIG_SETUP_MEMORY_TAGS 74 #define CONFIG_INITRD_TAG 75 76 #define CONFIG_BOARD_EARLY_INIT_F 77 78 #define CONFIG_CMD_BOOTZ 79 #define CONFIG_OF_LIBFDT 80 81 /* 82 * Memory Configuration 83 */ 84 #define CONFIG_NR_DRAM_BANKS 1 85 #define CONFIG_SYS_SDRAM_BASE 0x20000000 86 #define CONFIG_SYS_SDRAM_SIZE SZ_32M 87 88 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 89 #define CONFIG_SYS_MEMTEST_END \ 90 (CONFIG_SYS_MEMTEST_START + CONFIG_SYS_SDRAM_SIZE - SZ_256K) 91 92 /* 93 * LowLevel Init 94 */ 95 #ifndef CONFIG_SKIP_LOWLEVEL_INIT 96 #define CONFIG_SYS_USE_MAIN_OSCILLATOR 97 /* flash */ 98 #define CONFIG_SYS_EBI_CFGR_VAL 0x00000000 99 #define CONFIG_SYS_SMC_CSR0_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */ 100 101 /* clocks */ 102 #define CONFIG_SYS_PLLAR_VAL 0x20263E04 /* 179.712000 MHz for PCK */ 103 #define CONFIG_SYS_PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */ 104 /* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */ 105 #define CONFIG_SYS_MCKR_VAL 0x00000202 106 107 /* sdram */ 108 #define CONFIG_SYS_PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */ 109 #define CONFIG_SYS_PIOC_BSR_VAL 0x00000000 110 #define CONFIG_SYS_PIOC_PDR_VAL 0xFFFF0000 111 #define CONFIG_SYS_EBI_CSA_VAL 0x00000002 /* CS1=CONFIG_SYS_SDRAM */ 112 #define CONFIG_SYS_SDRC_CR_VAL 0x2188c155 /* set up the CONFIG_SYS_SDRAM */ 113 #define CONFIG_SYS_SDRAM CONFIG_SYS_SDRAM_BASE /* address of the SDRAM */ 114 #define CONFIG_SYS_SDRAM1 (CONFIG_SYS_SDRAM_BASE+0x80) 115 #define CONFIG_SYS_SDRAM_VAL 0x00000000 /* value written to CONFIG_SYS_SDRAM */ 116 #define CONFIG_SYS_SDRC_MR_VAL 0x00000002 /* Precharge All */ 117 #define CONFIG_SYS_SDRC_MR_VAL1 0x00000004 /* refresh */ 118 #define CONFIG_SYS_SDRC_MR_VAL2 0x00000003 /* Load Mode Register */ 119 #define CONFIG_SYS_SDRC_MR_VAL3 0x00000000 /* Normal Mode */ 120 #define CONFIG_SYS_SDRC_TR_VAL 0x000002E0 /* Write refresh rate */ 121 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */ 122 123 /* 124 * Hardware drivers 125 */ 126 /* 127 * Choose a USART for serial console 128 * CONFIG_DBGU is DBGU unit on J10 129 * CONFIG_USART1 is USART1 on J14 130 */ 131 #define CONFIG_ATMEL_USART 132 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 133 #define CONFIG_USART_ID 0/* ignored in arm */ 134 135 #define CONFIG_BAUDRATE 115200 136 137 /* 138 * Command line configuration. 139 */ 140 #include <config_cmd_default.h> 141 142 #define CONFIG_CMD_DHCP 143 #define CONFIG_CMD_FAT 144 #define CONFIG_CMD_MII 145 #define CONFIG_CMD_PING 146 #define CONFIG_CMD_USB 147 #undef CONFIG_CMD_FPGA 148 149 /* 150 * Network Driver Setting 151 */ 152 #define CONFIG_DRIVER_AT91EMAC 153 #define CONFIG_SYS_RX_ETH_BUFFER 16 154 #define CONFIG_RMII 155 #define CONFIG_MII 156 157 /* 158 * NOR Flash 159 */ 160 #define CONFIG_FLASH_CFI_DRIVER 161 #define CONFIG_SYS_FLASH_CFI 162 #define CONFIG_SYS_FLASH_BASE 0x10000000 163 #define PHYS_FLASH_1 CONFIG_SYS_FLASH_BASE 164 #define PHYS_FLASH_SIZE SZ_8M 165 #define CONFIG_SYS_MAX_FLASH_BANKS 1 166 #define CONFIG_SYS_MAX_FLASH_SECT 256 167 #define CONFIG_SYS_FLASH_PROTECTION 168 169 /* 170 * USB Config 171 */ 172 #define CONFIG_USB_ATMEL 1 173 #define CONFIG_USB_OHCI_NEW 1 174 #define CONFIG_USB_KEYBOARD 1 175 #define CONFIG_USB_STORAGE 1 176 #define CONFIG_DOS_PARTITION 1 177 178 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1 179 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_USB_HOST_BASE 180 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91rm9200" 181 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 15 182 183 /* 184 * Environment Settings 185 */ 186 #define CONFIG_ENV_IS_IN_FLASH 187 188 /* 189 * after u-boot.bin 190 */ 191 #define CONFIG_ENV_ADDR \ 192 (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_MONITOR_LEN) 193 #define CONFIG_ENV_SIZE SZ_64K /* sectors are 64K here */ 194 /* The following #defines are needed to get flash environment right */ 195 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 196 #define CONFIG_SYS_MONITOR_LEN SZ_256K 197 198 /* 199 * Boot option 200 */ 201 #define CONFIG_BOOTDELAY 3 202 203 /* default load address */ 204 #define CONFIG_SYS_LOAD_ADDR CONFIG_SYS_SDRAM_BASE + SZ_16M 205 #define CONFIG_ENV_OVERWRITE 206 207 /* 208 * Shell Settings 209 */ 210 #define CONFIG_CMDLINE_EDITING 211 #define CONFIG_SYS_LONGHELP 212 #define CONFIG_AUTO_COMPLETE 213 #define CONFIG_SYS_HUSH_PARSER 214 #define CONFIG_SYS_PROMPT "U-Boot> " 215 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ 216 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ 217 /* Print Buffer Size */ 218 #define CONFIG_SYS_PBSIZE \ 219 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 220 221 /* 222 * Size of malloc() pool 223 */ 224 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + SZ_128K, \ 225 SZ_4K) 226 227 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + SZ_4K \ 228 - GENERATED_GBL_DATA_SIZE) 229 230 #endif /* __AT91RM9200EK_CONFIG_H__ */ 231