1/* 2 * (C) Copyright 2007-2008 3 * Stelian Pop <stelian@popies.net> 4 * Lead Tech Design <www.leadtechdesign.com> 5 * 6 * Configuation settings for the AT91SAM9260EK & AT91SAM9G20EK boards. 7 * 8 * SPDX-License-Identifier: GPL-2.0+ 9 */ 10 11#ifndef __CONFIG_H 12#define __CONFIG_H 13 14/* 15 * SoC must be defined first, before hardware.h is included. 16 * In this case SoC is defined in boards.cfg. 17 */ 18#include <asm/hardware.h> 19 20/* 21 * Warning: changing CONFIG_SYS_TEXT_BASE requires 22 * adapting the initial boot program. 23 * Since the linker has to swallow that define, we must use a pure 24 * hex number here! 25 */ 26#define CONFIG_SYS_TEXT_BASE 0x21f00000 27 28/* ARM asynchronous clock */ 29#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ 30#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */ 31 32/* Define actual evaluation board type from used processor type */ 33#ifdef CONFIG_AT91SAM9G20 34# define CONFIG_AT91SAM9G20EK /* It's an Atmel AT91SAM9G20 EK */ 35#else 36# define CONFIG_AT91SAM9260EK /* It's an Atmel AT91SAM9260 EK */ 37#endif 38 39/* Misc CPU related */ 40#define CONFIG_ARCH_CPU_INIT 41#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 42#define CONFIG_SETUP_MEMORY_TAGS 43#define CONFIG_INITRD_TAG 44#define CONFIG_SKIP_LOWLEVEL_INIT 45 46/* general purpose I/O */ 47#define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ 48 49/* 50 * BOOTP options 51 */ 52#define CONFIG_BOOTP_BOOTFILESIZE 1 53#define CONFIG_BOOTP_BOOTPATH 1 54#define CONFIG_BOOTP_GATEWAY 1 55#define CONFIG_BOOTP_HOSTNAME 1 56 57/* 58 * SDRAM: 1 bank, min 32, max 128 MB 59 * Initialized before u-boot gets started. 60 */ 61#define CONFIG_NR_DRAM_BANKS 1 62#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 63#define CONFIG_SYS_SDRAM_SIZE 0x04000000 64 65/* 66 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 67 * leaving the correct space for initial global data structure above 68 * that address while providing maximum stack area below. 69 */ 70#ifdef CONFIG_AT91SAM9XE 71# define CONFIG_SYS_INIT_SP_ADDR \ 72 (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 73#else 74# define CONFIG_SYS_INIT_SP_ADDR \ 75 (ATMEL_BASE_SRAM1 + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 76#endif 77 78/* 79 * The (arm)linux board id set by generic code depending on configured board 80 * (see boards.cfg for different boards) 81 */ 82#ifdef CONFIG_AT91SAM9G20 83 /* the sam9g20 variants have two different board ids */ 84# ifdef CONFIG_AT91SAM9G20EK_2MMC 85 /* we may be setup for the 2MMC variant of at91sam9g20ek */ 86# define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC 87# else 88 /* or the normal at91sam9g20ek */ 89# define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK 90# endif 91#else 92 /* otherwise default to good old at91sam9260ek */ 93# define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK 94#endif 95 96/* NAND flash */ 97#ifdef CONFIG_CMD_NAND 98#define CONFIG_NAND_ATMEL 99#define CONFIG_SYS_MAX_NAND_DEVICE 1 100#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 101#define CONFIG_SYS_NAND_DBW_8 102#define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 103#define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 104#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 105#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 106#endif 107 108/* USB */ 109#define CONFIG_USB_ATMEL 110#define CONFIG_USB_ATMEL_CLK_SEL_PLLB 111#define CONFIG_USB_OHCI_NEW 1 112#define CONFIG_SYS_USB_OHCI_CPU_INIT 1 113#define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */ 114#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 115#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 116 117#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 118 119#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 120#define CONFIG_SYS_MEMTEST_END 0x23e00000 121 122#ifdef CONFIG_SYS_USE_DATAFLASH_CS0 123 124/* bootstrap + u-boot + env + linux in dataflash on CS0 */ 125#define CONFIG_ENV_OFFSET 0x4200 126#define CONFIG_ENV_SIZE 0x4200 127#define CONFIG_ENV_SECT_SIZE 0x210 128#define CONFIG_ENV_SPI_MAX_HZ 15000000 129#define CONFIG_BOOTCOMMAND "sf probe 0:0; " \ 130 "sf read 0x22000000 0x84000 0x294000; " \ 131 "bootm 0x22000000" 132 133#elif CONFIG_SYS_USE_DATAFLASH_CS1 134 135#define CONFIG_ENV_OFFSET 0x4200 136#define CONFIG_ENV_SIZE 0x4200 137#define CONFIG_ENV_SECT_SIZE 0x210 138#define CONFIG_ENV_SPI_MAX_HZ 15000000 139#define CONFIG_BOOTCOMMAND "sf probe 0:1; " \ 140 "sf read 0x22000000 0x84000 0x294000; " \ 141 "bootm 0x22000000" 142 143#elif defined(CONFIG_SYS_USE_NANDFLASH) 144 145/* bootstrap + u-boot + env + linux in nandflash */ 146#define CONFIG_ENV_OFFSET 0x120000 147#define CONFIG_ENV_OFFSET_REDUND 0x100000 148#define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 149#define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm" 150 151#else /* CONFIG_SYS_USE_MMC */ 152/* bootstrap + u-boot + env + linux in mmc */ 153/* For FAT system, most cases it should be in the reserved sector */ 154#define CONFIG_ENV_OFFSET 0x2000 155#define CONFIG_ENV_SIZE 0x1000 156#define CONFIG_SYS_MMC_ENV_DEV 0 157 158#define CONFIG_BOOTCOMMAND \ 159 "fatload mmc 0:1 0x22000000 uImage; bootm" 160#endif 161 162#define CONFIG_SYS_LONGHELP 1 163#define CONFIG_CMDLINE_EDITING 1 164#define CONFIG_AUTO_COMPLETE 165 166/* 167 * Size of malloc() pool 168 */ 169#define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 170 171#endif 172