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/* 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_ARCH_CPU_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 */
#define CONFIG_MISC_INIT_R /* Call misc_init_r */
#define CONFIG_PREBOOT /* enable preboot variable */
/*
* 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_NR_DRAM_BANKS 1
#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_NAND_ATMEL
# 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
#define CONFIG_ENV_SPI_MAX_HZ 15000000
#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
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