| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * (C) Copyright 2007-2008 |
| * Stelian Pop <stelian@popies.net> |
| * Lead Tech Design <www.leadtechdesign.com> |
| * |
| * (C) Copyright 2009-2015 |
| * Daniel Gorsulowski <daniel.gorsulowski@esd.eu> |
| * esd electronic system design gmbh <www.esd.eu> |
| * |
| * Configuation settings for the esd MEESC board. |
| */ |
| |
| #ifndef __CONFIG_H |
| #define __CONFIG_H |
| |
| /* |
| * SoC must be defined first, before hardware.h is included. |
| * In this case SoC is defined in boards.cfg. |
| */ |
| #include <asm/hardware.h> |
| |
| /* |
| * Warning: changing CONFIG_SYS_TEXT_BASE requires |
| * adapting the initial boot program. |
| * Since the linker has to swallow that define, we must use a pure |
| * hex number here! |
| */ |
| |
| /* ARM asynchronous clock */ |
| #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* 32.768 kHz crystal */ |
| #define CONFIG_SYS_AT91_MAIN_CLOCK 16000000/* 16.0 MHz crystal */ |
| |
| /* Misc CPU related */ |
| #define CONFIG_SKIP_LOWLEVEL_INIT |
| #define CONFIG_SETUP_MEMORY_TAGS |
| #define CONFIG_INITRD_TAG |
| #define CONFIG_SERIAL_TAG |
| #define CONFIG_REVISION_TAG |
| #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ |
| |
| /* |
| * Hardware drivers |
| */ |
| |
| /* |
| * BOOTP options |
| */ |
| #define CONFIG_BOOTP_BOOTFILESIZE |
| |
| /* |
| * SDRAM: 1 bank, min 32, max 128 MB |
| * Initialized before u-boot gets started. |
| */ |
| #define PHYS_SDRAM ATMEL_BASE_CS1 /* 0x20000000 */ |
| #define PHYS_SDRAM_SIZE 0x02000000 /* 32 MByte */ |
| |
| #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM |
| #define CONFIG_SYS_SDRAM_SIZE PHYS_SDRAM_SIZE |
| |
| #define CONFIG_SYS_MEMTEST_START (CONFIG_SYS_SDRAM_BASE + 0x00100000) |
| #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + 0x01E00000) |
| #define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + 0x00100000) |
| |
| /* |
| * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, |
| * leaving the correct space for initial global data structure above |
| * that address while providing maximum stack area below. |
| */ |
| #define CONFIG_SYS_INIT_SP_ADDR \ |
| (ATMEL_BASE_SRAM0 + 16 * 1024 - GENERATED_GBL_DATA_SIZE) |
| |
| /* NAND flash */ |
| #ifdef CONFIG_CMD_NAND |
| # define CONFIG_SYS_MAX_NAND_DEVICE 1 |
| # define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 /* 0x40000000 */ |
| # define CONFIG_SYS_NAND_DBW_8 |
| # define CONFIG_SYS_NAND_MASK_ALE (1 << 21) |
| # define CONFIG_SYS_NAND_MASK_CLE (1 << 22) |
| # define CONFIG_SYS_NAND_ENABLE_PIN GPIO_PIN_PD(15) |
| # define CONFIG_SYS_NAND_READY_PIN GPIO_PIN_PA(22) |
| #endif |
| |
| /* Ethernet */ |
| #define CONFIG_MACB |
| #define CONFIG_RMII |
| #define CONFIG_NET_RETRY_COUNT 20 |
| #undef CONFIG_RESET_PHY_R |
| |
| /* hw-controller addresses */ |
| #define CONFIG_ET1100_BASE 0x70000000 |
| |
| #ifdef CONFIG_SYS_USE_DATAFLASH |
| |
| /* bootstrap + u-boot + env in dataflash on CS0 */ |
| #define CONFIG_ENV_OFFSET 0x4200 |
| #define CONFIG_ENV_SIZE 0x4200 |
| #define CONFIG_ENV_SECT_SIZE 0x210 |
| |
| #elif CONFIG_SYS_USE_NANDFLASH |
| |
| /* bootstrap + u-boot + env + linux in nandflash */ |
| # define CONFIG_ENV_OFFSET 0xC0000 |
| # define CONFIG_ENV_SIZE 0x20000 |
| |
| #endif |
| |
| #define CONFIG_SYS_CBSIZE 512 |
| |
| /* |
| * Size of malloc() pool |
| */ |
| #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + \ |
| 128*1024, 0x1000) |
| |
| #endif |
