1/* 2 * (C) Copyright 2007-2008 3 * Stelian Pop <stelian@popies.net> 4 * Lead Tech Design <www.leadtechdesign.com> 5 * 6 * (C) Copyright 2009-2015 7 * Daniel Gorsulowski <daniel.gorsulowski@esd.eu> 8 * esd electronic system design gmbh <www.esd.eu> 9 * 10 * Configuation settings for the esd MEESC board. 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/* 25 * Warning: changing CONFIG_SYS_TEXT_BASE requires 26 * adapting the initial boot program. 27 * Since the linker has to swallow that define, we must use a pure 28 * hex number here! 29 */ 30#define CONFIG_SYS_TEXT_BASE 0x21F00000 31 32/* 33 * since a number of boards are not being listed in linux 34 * arch/arm/tools/mach-types any more, the mach-types have to be 35 * defined here 36 */ 37#define MACH_TYPE_MEESC 2165 38#define MACH_TYPE_ETHERCAN2 2407 39 40/* ARM asynchronous clock */ 41#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* 32.768 kHz crystal */ 42#define CONFIG_SYS_AT91_MAIN_CLOCK 16000000/* 16.0 MHz crystal */ 43 44/* Misc CPU related */ 45#define CONFIG_SKIP_LOWLEVEL_INIT 46#define CONFIG_ARCH_CPU_INIT 47#define CONFIG_BOARD_EARLY_INIT_F /* call board_early_init_f() */ 48#define CONFIG_SETUP_MEMORY_TAGS 49#define CONFIG_INITRD_TAG 50#define CONFIG_SERIAL_TAG 51#define CONFIG_REVISION_TAG 52#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 53#define CONFIG_MISC_INIT_R /* Call misc_init_r */ 54 55#define CONFIG_PREBOOT /* enable preboot variable */ 56 57/* 58 * Hardware drivers 59 */ 60 61/* general purpose I/O */ 62#define CONFIG_AT91_GPIO 63 64/* Console output */ 65#define CONFIG_ATMEL_USART 66#define CONFIG_USART_BASE ATMEL_BASE_DBGU 67#define CONFIG_USART_ID ATMEL_ID_SYS 68#define CONFIG_BAUDRATE 115200 69 70/* 71 * BOOTP options 72 */ 73#define CONFIG_BOOTP_BOOTFILESIZE 74#define CONFIG_BOOTP_BOOTPATH 75#define CONFIG_BOOTP_GATEWAY 76#define CONFIG_BOOTP_HOSTNAME 77 78/* 79 * Command line configuration. 80 */ 81 82#ifdef CONFIG_SYS_USE_NANDFLASH 83#define CONFIG_CMD_NAND 84#endif 85 86/* LED */ 87#define CONFIG_AT91_LED 88 89/* 90 * SDRAM: 1 bank, min 32, max 128 MB 91 * Initialized before u-boot gets started. 92 */ 93#define PHYS_SDRAM ATMEL_BASE_CS1 /* 0x20000000 */ 94#define PHYS_SDRAM_SIZE 0x02000000 /* 32 MByte */ 95 96#define CONFIG_NR_DRAM_BANKS 1 97#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM 98#define CONFIG_SYS_SDRAM_SIZE PHYS_SDRAM_SIZE 99 100#define CONFIG_SYS_MEMTEST_START (CONFIG_SYS_SDRAM_BASE + 0x00100000) 101#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + 0x01E00000) 102#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + 0x00100000) 103 104/* 105 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 106 * leaving the correct space for initial global data structure above 107 * that address while providing maximum stack area below. 108 */ 109#define CONFIG_SYS_INIT_SP_ADDR \ 110 (ATMEL_BASE_SRAM0 + 0x1000 - GENERATED_GBL_DATA_SIZE) 111 112/* DataFlash */ 113#ifdef CONFIG_SYS_USE_DATAFLASH 114# define CONFIG_ATMEL_DATAFLASH_SPI 115# define CONFIG_HAS_DATAFLASH 116# define CONFIG_SYS_MAX_DATAFLASH_BANKS 1 117# define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */ 118# define AT91_SPI_CLK 15000000 119# define DATAFLASH_TCSS (0x1a << 16) 120# define DATAFLASH_TCHS (0x1 << 24) 121#endif 122 123/* NOR flash is not populated, disable it */ 124#define CONFIG_SYS_NO_FLASH 125 126/* NAND flash */ 127#ifdef CONFIG_CMD_NAND 128# define CONFIG_NAND_ATMEL 129# define CONFIG_SYS_MAX_NAND_DEVICE 1 130# define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 /* 0x40000000 */ 131# define CONFIG_SYS_NAND_DBW_8 132# define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 133# define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 134# define CONFIG_SYS_NAND_ENABLE_PIN GPIO_PIN_PD(15) 135# define CONFIG_SYS_NAND_READY_PIN GPIO_PIN_PA(22) 136#endif 137 138/* Ethernet */ 139#define CONFIG_MACB 140#define CONFIG_RMII 141#define CONFIG_NET_RETRY_COUNT 20 142#undef CONFIG_RESET_PHY_R 143 144/* hw-controller addresses */ 145#define CONFIG_ET1100_BASE 0x70000000 146 147#ifdef CONFIG_SYS_USE_DATAFLASH 148 149/* bootstrap + u-boot + env in dataflash on CS0 */ 150# define CONFIG_ENV_IS_IN_DATAFLASH 151# define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + \ 152 0x8400) 153# define CONFIG_ENV_OFFSET 0x4200 154# define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + \ 155 CONFIG_ENV_OFFSET) 156# define CONFIG_ENV_SIZE 0x4200 157 158#elif CONFIG_SYS_USE_NANDFLASH 159 160/* bootstrap + u-boot + env + linux in nandflash */ 161# define CONFIG_ENV_IS_IN_NAND 1 162# define CONFIG_ENV_OFFSET 0xC0000 163# define CONFIG_ENV_SIZE 0x20000 164 165#endif 166 167#define CONFIG_SYS_CBSIZE 512 168#define CONFIG_SYS_MAXARGS 16 169#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ 170 sizeof(CONFIG_SYS_PROMPT) + 16) 171#define CONFIG_SYS_LONGHELP 172#define CONFIG_CMDLINE_EDITING 173#define CONFIG_AUTO_COMPLETE 174 175/* 176 * Size of malloc() pool 177 */ 178#define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + \ 179 128*1024, 0x1000) 180 181#endif 182