1 /* 2 * (C) Copyright 2011 3 * egnite GmbH <info@egnite.de> 4 * 5 * Configuation settings for Ethernut 5 with AT91SAM9XE. 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 10 #ifndef __CONFIG_H 11 #define __CONFIG_H 12 13 #include <asm/hardware.h> 14 15 /* The first stage boot loader expects u-boot running at this address. */ 16 #define CONFIG_SYS_TEXT_BASE 0x27000000 /* 16MB available */ 17 18 /* The first stage boot loader takes care of low level initialization. */ 19 #define CONFIG_SKIP_LOWLEVEL_INIT 20 21 /* Set our official architecture number. */ 22 #define MACH_TYPE_ETHERNUT5 1971 23 #define CONFIG_MACH_TYPE MACH_TYPE_ETHERNUT5 24 25 /* CPU information */ 26 #define CONFIG_ARM926EJS 27 #define CONFIG_AT91FAMILY 28 #define CONFIG_DISPLAY_CPUINFO /* Display at console. */ 29 #define CONFIG_ARCH_CPU_INIT 30 31 /* ARM asynchronous clock */ 32 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ 33 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* 18.432 MHz crystal */ 34 #define CONFIG_SYS_HZ 1000 35 36 /* 32kB internal SRAM */ 37 #define CONFIG_SRAM_BASE 0x00300000 /*AT91SAM9XE_SRAM_BASE */ 38 #define CONFIG_SRAM_SIZE (32 << 10) 39 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SRAM_BASE + CONFIG_SRAM_SIZE - \ 40 GENERATED_GBL_DATA_SIZE) 41 42 /* 128MB SDRAM in 1 bank */ 43 #define CONFIG_NR_DRAM_BANKS 1 44 #define CONFIG_SYS_SDRAM_BASE 0x20000000 45 #define CONFIG_SYS_SDRAM_SIZE (128 << 20) 46 #define CONFIG_SYS_LOAD_ADDR CONFIG_SYS_SDRAM_BASE 47 #define CONFIG_LOADADDR CONFIG_SYS_LOAD_ADDR 48 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (1 << 20)) 49 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 50 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_TEXT_BASE \ 51 - CONFIG_SYS_MALLOC_LEN) 52 53 /* 512kB on-chip NOR flash */ 54 # define CONFIG_SYS_MAX_FLASH_BANKS 1 55 # define CONFIG_SYS_FLASH_BASE 0x00200000 /* AT91SAM9XE_FLASH_BASE */ 56 # define CONFIG_AT91_EFLASH 57 # define CONFIG_SYS_MAX_FLASH_SECT 32 58 # define CONFIG_SYS_FLASH_PROTECTION /* First stage loader in sector 0 */ 59 # define CONFIG_EFLASH_PROTSECTORS 1 60 61 /* 512kB DataFlash at NPCS0 */ 62 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 1 63 #define CONFIG_HAS_DATAFLASH 64 #define CONFIG_SPI_FLASH 65 #define CONFIG_SPI_FLASH_ATMEL 66 #define CONFIG_ATMEL_DATAFLASH_SPI 67 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 68 #define DATAFLASH_TCSS (0x1a << 16) 69 #define DATAFLASH_TCHS (0x1 << 24) 70 71 #define CONFIG_ENV_IS_IN_SPI_FLASH 72 #define CONFIG_ENV_OFFSET 0x3DE000 73 #define CONFIG_ENV_SECT_SIZE (132 << 10) 74 #define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE 75 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 \ 76 + CONFIG_ENV_OFFSET) 77 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 \ 78 + 0x042000) 79 80 /* SPI */ 81 #define CONFIG_ATMEL_SPI 82 #define CONFIG_SYS_SPI_WRITE_TOUT (5 * CONFIG_SYS_HZ) 83 #define AT91_SPI_CLK 15000000 84 85 /* Serial port */ 86 #define CONFIG_ATMEL_USART 87 #define CONFIG_USART3 /* USART 3 is DBGU */ 88 #define CONFIG_BAUDRATE 115200 89 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 90 #define CONFIG_USART_ID ATMEL_ID_SYS 91 92 /* Misc. hardware drivers */ 93 #define CONFIG_AT91_GPIO 94 95 /* Command line configuration */ 96 #include <config_cmd_default.h> 97 #undef CONFIG_CMD_BDI 98 #undef CONFIG_CMD_FPGA 99 #undef CONFIG_CMD_LOADS 100 101 #define CONFIG_CMD_JFFS2 102 #define CONFIG_CMD_MII 103 #define CONFIG_CMD_MTDPARTS 104 #define CONFIG_CMD_NAND 105 #define CONFIG_CMD_SPI 106 107 #ifdef MINIMAL_LOADER 108 #undef CONFIG_CMD_CONSOLE 109 #undef CONFIG_CMD_EDITENV 110 #undef CONFIG_CMD_IMI 111 #undef CONFIG_CMD_ITEST 112 #undef CONFIG_CMD_IMLS 113 #undef CONFIG_CMD_LOADB 114 #undef CONFIG_CMD_LOADS 115 #undef CONFIG_CMD_NFS 116 #undef CONFIG_CMD_SETGETDCR 117 #undef CONFIG_CMD_XIMG 118 #else 119 #define CONFIG_CMD_ASKENV 120 #define CONFIG_CMD_BSP 121 #define CONFIG_CMD_CACHE 122 #define CONFIG_CMD_CDP 123 #define CONFIG_CMD_DATE 124 #define CONFIG_CMD_DHCP 125 #define CONFIG_CMD_DNS 126 #define CONFIG_CMD_EXT2 127 #define CONFIG_CMD_FAT 128 #define CONFIG_CMD_I2C 129 #define CONFIG_CMD_MMC 130 #define CONFIG_CMD_PING 131 #define CONFIG_CMD_RARP 132 #define CONFIG_CMD_REISER 133 #define CONFIG_CMD_SAVES 134 #define CONFIG_CMD_SETEXPR 135 #define CONFIG_CMD_SF 136 #define CONFIG_CMD_SNTP 137 #define CONFIG_CMD_UBI 138 #define CONFIG_CMD_UBIFS 139 #define CONFIG_CMD_UNZIP 140 #define CONFIG_CMD_USB 141 #endif 142 143 /* NAND flash */ 144 #ifdef CONFIG_CMD_NAND 145 #define CONFIG_SYS_MAX_NAND_DEVICE 1 146 #define CONFIG_SYS_NAND_BASE 0x40000000 147 #define CONFIG_SYS_NAND_DBW_8 148 #define CONFIG_NAND_ATMEL 149 /* our ALE is AD21 */ 150 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 151 /* our CLE is AD22 */ 152 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 153 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIO_PORTC, 14 154 #endif 155 156 /* JFFS2 */ 157 #ifdef CONFIG_CMD_JFFS2 158 #define CONFIG_MTD_NAND_ECC_JFFS2 159 #define CONFIG_JFFS2_CMDLINE 160 #define CONFIG_JFFS2_NAND 161 #endif 162 163 /* Ethernet */ 164 #define CONFIG_NET_RETRY_COUNT 20 165 #define CONFIG_MACB 166 #define CONFIG_RMII 167 #define CONFIG_PHY_ID 0 168 #define CONFIG_MACB_SEARCH_PHY 169 170 /* MMC */ 171 #ifdef CONFIG_CMD_MMC 172 #define CONFIG_MMC 173 #define CONFIG_GENERIC_MMC 174 #define CONFIG_GENERIC_ATMEL_MCI 175 #define CONFIG_SYS_MMC_CD_PIN AT91_PIO_PORTC, 8 176 #endif 177 178 /* USB */ 179 #ifdef CONFIG_CMD_USB 180 #define CONFIG_USB_ATMEL 181 #define CONFIG_USB_OHCI_NEW 182 #define CONFIG_SYS_USB_OHCI_CPU_INIT 183 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 184 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "host" 185 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 186 #define CONFIG_USB_STORAGE 187 #endif 188 189 /* RTC */ 190 #if defined(CONFIG_CMD_DATE) || defined(CONFIG_CMD_SNTP) 191 #define CONFIG_RTC_PCF8563 192 #define CONFIG_SYS_I2C_RTC_ADDR 0x51 193 #endif 194 195 /* I2C */ 196 #define CONFIG_SYS_MAX_I2C_BUS 1 197 198 #define CONFIG_SYS_I2C 199 #define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */ 200 #define CONFIG_SYS_I2C_SOFT_SPEED 100000 201 #define CONFIG_SYS_I2C_SOFT_SLAVE 0 202 203 #define I2C_SOFT_DECLARATIONS 204 205 #define GPIO_I2C_SCL AT91_PIO_PORTA, 24 206 #define GPIO_I2C_SDA AT91_PIO_PORTA, 23 207 208 #define I2C_INIT { \ 209 at91_set_pio_periph(AT91_PIO_PORTA, 23, 0); \ 210 at91_set_pio_multi_drive(AT91_PIO_PORTA, 23, 1); \ 211 at91_set_pio_periph(AT91_PIO_PORTA, 24, 0); \ 212 at91_set_pio_output(AT91_PIO_PORTA, 24, 0); \ 213 at91_set_pio_multi_drive(AT91_PIO_PORTA, 24, 1); \ 214 } 215 216 #define I2C_ACTIVE at91_set_pio_output(AT91_PIO_PORTA, 23, 0) 217 #define I2C_TRISTATE at91_set_pio_input(AT91_PIO_PORTA, 23, 0) 218 #define I2C_SCL(bit) at91_set_pio_value(AT91_PIO_PORTA, 24, bit) 219 #define I2C_SDA(bit) at91_set_pio_value(AT91_PIO_PORTA, 23, bit) 220 #define I2C_DELAY udelay(100) 221 #define I2C_READ at91_get_pio_value(AT91_PIO_PORTA, 23) 222 223 /* DHCP/BOOTP options */ 224 #ifdef CONFIG_CMD_DHCP 225 #define CONFIG_BOOTP_BOOTFILESIZE 226 #define CONFIG_BOOTP_BOOTPATH 227 #define CONFIG_BOOTP_GATEWAY 228 #define CONFIG_BOOTP_HOSTNAME 229 #define CONFIG_SYS_AUTOLOAD "n" 230 #endif 231 232 /* File systems */ 233 #define CONFIG_MTD_DEVICE 234 #define CONFIG_MTD_PARTITIONS 235 #if defined(CONFIG_CMD_MTDPARTS) || defined(CONFIG_CMD_NAND) 236 #define MTDIDS_DEFAULT "nand0=atmel_nand" 237 #define MTDPARTS_DEFAULT "mtdparts=atmel_nand:-(root)" 238 #endif 239 #if defined(CONFIG_CMD_REISER) || defined(CONFIG_CMD_EXT2) || \ 240 defined(CONFIG_CMD_USB) || defined(CONFIG_MMC) 241 #define CONFIG_DOS_PARTITION 242 #endif 243 #define CONFIG_LZO 244 #define CONFIG_RBTREE 245 246 /* Boot command */ 247 #define CONFIG_BOOTDELAY 3 248 #define CONFIG_CMDLINE_TAG 249 #define CONFIG_SETUP_MEMORY_TAGS 250 #define CONFIG_INITRD_TAG 251 #define CONFIG_BOOTCOMMAND "cp.b 0xC00C6000 ${loadaddr} 0x294000; bootm" 252 #if defined(CONFIG_CMD_NAND) 253 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 254 "root=/dev/mtdblock0 " \ 255 MTDPARTS_DEFAULT \ 256 " rw rootfstype=jffs2" 257 #endif 258 259 /* Misc. u-boot settings */ 260 #define CONFIG_SYS_PROMPT "U-Boot> " 261 #define CONFIG_SYS_HUSH_PARSER 262 #define CONFIG_SYS_CBSIZE 256 263 #define CONFIG_SYS_MAXARGS 16 264 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + 16 \ 265 + sizeof(CONFIG_SYS_PROMPT)) 266 #define CONFIG_SYS_LONGHELP 267 #define CONFIG_CMDLINE_EDITING 268 269 #endif 270