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