1 /* 2 * Common board functions for Siemens TAURUS (AT91SAM9G20) based boards 3 * (C) Copyright 2013 Siemens AG 4 * 5 * Based on: 6 * U-Boot file: include/configs/at91sam9260ek.h 7 * 8 * (C) Copyright 2007-2008 9 * Stelian Pop <stelian@popies.net> 10 * Lead Tech Design <www.leadtechdesign.com> 11 * 12 * SPDX-License-Identifier: GPL-2.0+ 13 */ 14 15 #ifndef __CONFIG_H 16 #define __CONFIG_H 17 18 /* 19 * SoC must be defined first, before hardware.h is included. 20 * In this case SoC is defined in boards.cfg. 21 */ 22 #include <asm/hardware.h> 23 24 #define MACH_TYPE_TAURUS 2067 25 #define MACH_TYPE_AXM 2068 26 27 /* 28 * Warning: changing CONFIG_SYS_TEXT_BASE requires 29 * adapting the initial boot program. 30 * Since the linker has to swallow that define, we must use a pure 31 * hex number here! 32 */ 33 34 35 #define CONFIG_SYS_TEXT_BASE 0x23f00000 36 37 /* ARM asynchronous clock */ 38 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ 39 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */ 40 #define CONFIG_SYS_HZ 1000 41 42 /* Misc CPU related */ 43 #define CONFIG_ARCH_CPU_INIT 44 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 45 #define CONFIG_SETUP_MEMORY_TAGS 46 #define CONFIG_INITRD_TAG 47 #define CONFIG_SKIP_LOWLEVEL_INIT 48 #define CONFIG_BOARD_EARLY_INIT_F 49 #define CONFIG_DISPLAY_CPUINFO 50 51 #define CONFIG_CMD_BOOTZ 52 #define CONFIG_OF_LIBFDT 53 54 /* general purpose I/O */ 55 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ 56 #define CONFIG_AT91_GPIO 57 #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */ 58 59 /* serial console */ 60 #define CONFIG_ATMEL_USART 61 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 62 #define CONFIG_USART_ID ATMEL_ID_SYS 63 #define CONFIG_BAUDRATE 115200 64 65 #define CONFIG_BOOTDELAY 3 66 67 /* 68 * Command line configuration. 69 */ 70 #include <config_cmd_default.h> 71 #undef CONFIG_CMD_BDI 72 #undef CONFIG_CMD_FPGA 73 #undef CONFIG_CMD_IMI 74 #undef CONFIG_CMD_IMLS 75 #undef CONFIG_CMD_LOADS 76 #undef CONFIG_CMD_SOURCE 77 78 #define CONFIG_CMD_PING 79 #define CONFIG_CMD_DHCP 80 #define CONFIG_CMD_NAND 81 82 /* 83 * SDRAM: 1 bank, min 32, max 128 MB 84 * Initialized before u-boot gets started. 85 */ 86 #define CONFIG_NR_DRAM_BANKS 1 87 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 88 #define CONFIG_SYS_SDRAM_SIZE (128 * 1024 * 1024) 89 90 /* 91 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 92 * leaving the correct space for initial global data structure above 93 * that address while providing maximum stack area below. 94 */ 95 # define CONFIG_SYS_INIT_SP_ADDR \ 96 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE) 97 98 /* NAND flash */ 99 #ifdef CONFIG_CMD_NAND 100 #define CONFIG_NAND_ATMEL 101 #define CONFIG_SYS_MAX_NAND_DEVICE 1 102 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 103 #define CONFIG_SYS_NAND_DBW_8 104 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 105 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 106 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 107 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 108 #endif 109 110 /* NOR flash - no real flash on this board */ 111 #define CONFIG_SYS_NO_FLASH 1 112 113 /* Ethernet */ 114 #define CONFIG_MACB 115 #define CONFIG_RMII 116 #define CONFIG_AT91_WANTS_COMMON_PHY 117 118 /* USB */ 119 #if defined(CONFIG_BOARD_TAURUS) 120 #define CONFIG_USB_ATMEL 121 #define CONFIG_USB_OHCI_NEW 122 #define CONFIG_SYS_USB_OHCI_CPU_INIT 123 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 124 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 125 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 126 #define CONFIG_USB_STORAGE 127 #endif 128 129 /* load address */ 130 #define CONFIG_SYS_LOAD_ADDR 0x22000000 131 132 /* bootstrap in spi flash , u-boot + env + linux in nandflash */ 133 #define CONFIG_ENV_IS_IN_NAND 134 #define CONFIG_ENV_OFFSET 0x100000 135 #define CONFIG_ENV_OFFSET_REDUND 0x180000 136 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 137 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm" 138 #define CONFIG_BOOTARGS \ 139 "console=ttyS0,115200 earlyprintk " \ 140 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 141 "256k(env),256k(env_redundant),256k(spare)," \ 142 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 143 "root=/dev/mtdblock7 rw rootfstype=jffs2" 144 145 #define CONFIG_SYS_PROMPT "U-Boot> " 146 #define CONFIG_SYS_CBSIZE 256 147 #define CONFIG_SYS_MAXARGS 16 148 #define CONFIG_SYS_PBSIZE \ 149 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 150 #define CONFIG_SYS_LONGHELP 151 #define CONFIG_CMDLINE_EDITING 152 #define CONFIG_AUTO_COMPLETE 153 154 /* 155 * Size of malloc() pool 156 */ 157 #define CONFIG_SYS_MALLOC_LEN \ 158 ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 159 160 #endif 161