1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2007-2008 4 * Stelian Pop <stelian@popies.net> 5 * Lead Tech Design <www.leadtechdesign.com> 6 * 7 * Configuation settings for the AT91SAM9260EK & AT91SAM9G20EK boards. 8 */ 9 10 #ifndef __CONFIG_H 11 #define __CONFIG_H 12 13 /* 14 * SoC must be defined first, before hardware.h is included. 15 * In this case SoC is defined in boards.cfg. 16 */ 17 #include <asm/hardware.h> 18 19 /* 20 * Warning: changing CONFIG_SYS_TEXT_BASE requires 21 * adapting the initial boot program. 22 * Since the linker has to swallow that define, we must use a pure 23 * hex number here! 24 */ 25 26 /* ARM asynchronous clock */ 27 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ 28 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */ 29 30 /* Define actual evaluation board type from used processor type */ 31 #ifdef CONFIG_AT91SAM9G20 32 # define CONFIG_AT91SAM9G20EK /* It's an Atmel AT91SAM9G20 EK */ 33 #else 34 # define CONFIG_AT91SAM9260EK /* It's an Atmel AT91SAM9260 EK */ 35 #endif 36 37 /* Misc CPU related */ 38 #define CONFIG_ARCH_CPU_INIT 39 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 40 #define CONFIG_SETUP_MEMORY_TAGS 41 #define CONFIG_INITRD_TAG 42 #define CONFIG_SKIP_LOWLEVEL_INIT 43 44 /* general purpose I/O */ 45 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ 46 47 /* 48 * BOOTP options 49 */ 50 #define CONFIG_BOOTP_BOOTFILESIZE 1 51 52 /* 53 * SDRAM: 1 bank, min 32, max 128 MB 54 * Initialized before u-boot gets started. 55 */ 56 #define CONFIG_NR_DRAM_BANKS 1 57 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 58 #define CONFIG_SYS_SDRAM_SIZE 0x04000000 59 60 /* 61 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 62 * leaving the correct space for initial global data structure above 63 * that address while providing maximum stack area below. 64 */ 65 #ifdef CONFIG_AT91SAM9XE 66 # define CONFIG_SYS_INIT_SP_ADDR \ 67 (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 68 #else 69 # define CONFIG_SYS_INIT_SP_ADDR \ 70 (ATMEL_BASE_SRAM1 + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 71 #endif 72 73 /* 74 * The (arm)linux board id set by generic code depending on configured board 75 * (see boards.cfg for different boards) 76 */ 77 #ifdef CONFIG_AT91SAM9G20 78 /* the sam9g20 variants have two different board ids */ 79 # ifdef CONFIG_AT91SAM9G20EK_2MMC 80 /* we may be setup for the 2MMC variant of at91sam9g20ek */ 81 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC 82 # else 83 /* or the normal at91sam9g20ek */ 84 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK 85 # endif 86 #else 87 /* otherwise default to good old at91sam9260ek */ 88 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK 89 #endif 90 91 /* NAND flash */ 92 #ifdef CONFIG_CMD_NAND 93 #define CONFIG_NAND_ATMEL 94 #define CONFIG_SYS_MAX_NAND_DEVICE 1 95 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 96 #define CONFIG_SYS_NAND_DBW_8 97 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 98 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 99 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 100 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 101 #endif 102 103 /* USB */ 104 #define CONFIG_USB_ATMEL 105 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 106 #define CONFIG_USB_OHCI_NEW 1 107 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1 108 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */ 109 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 110 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 111 112 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 113 114 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 115 #define CONFIG_SYS_MEMTEST_END 0x23e00000 116 117 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0 118 119 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 120 #define CONFIG_ENV_OFFSET 0x4200 121 #define CONFIG_ENV_SIZE 0x4200 122 #define CONFIG_ENV_SECT_SIZE 0x210 123 #define CONFIG_ENV_SPI_MAX_HZ 15000000 124 #define CONFIG_BOOTCOMMAND "sf probe 0:0; " \ 125 "sf read 0x22000000 0x84000 0x294000; " \ 126 "bootm 0x22000000" 127 128 #elif CONFIG_SYS_USE_DATAFLASH_CS1 129 130 #define CONFIG_ENV_OFFSET 0x4200 131 #define CONFIG_ENV_SIZE 0x4200 132 #define CONFIG_ENV_SECT_SIZE 0x210 133 #define CONFIG_ENV_SPI_MAX_HZ 15000000 134 #define CONFIG_BOOTCOMMAND "sf probe 0:1; " \ 135 "sf read 0x22000000 0x84000 0x294000; " \ 136 "bootm 0x22000000" 137 138 #elif defined(CONFIG_SYS_USE_NANDFLASH) 139 140 /* bootstrap + u-boot + env + linux in nandflash */ 141 #define CONFIG_ENV_OFFSET 0x120000 142 #define CONFIG_ENV_OFFSET_REDUND 0x100000 143 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 144 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm" 145 146 #else /* CONFIG_SYS_USE_MMC */ 147 /* bootstrap + u-boot + env + linux in mmc */ 148 /* For FAT system, most cases it should be in the reserved sector */ 149 #define CONFIG_ENV_OFFSET 0x2000 150 #define CONFIG_ENV_SIZE 0x1000 151 #define CONFIG_SYS_MMC_ENV_DEV 0 152 153 #define CONFIG_BOOTCOMMAND \ 154 "fatload mmc 0:1 0x22000000 uImage; bootm" 155 #endif 156 157 /* 158 * Size of malloc() pool 159 */ 160 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 161 162 #endif 163