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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 2010
* Achim Ehrlich <aehrlich@taskit.de>
* taskit GmbH <www.taskit.de>
*
* (C) Copyright 2012
* Markus Hubig <mhubig@imko.de>
* IMKO GmbH <www.imko.de>
*
* (C) Copyright 2014
* Heiko Schocher <hs@denx.de>
* DENX Software Engineering GmbH
*
* Configuation settings for the smartweb.
*/
#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>
#include <linux/sizes.h>
/*
* Warning: changing CONFIG_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 CFG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
#define CFG_SYS_AT91_MAIN_CLOCK 18432000 /* 18.432MHz crystal */
/* misc settings */
/*
* SDRAM: 1 bank, 64 MB, base address 0x20000000
* Already initialized before u-boot gets started.
*/
#define CFG_SYS_SDRAM_BASE ATMEL_BASE_CS1
#define CFG_SYS_SDRAM_SIZE (64 * SZ_1M)
/*
* Perform a SDRAM Memtest from the start of SDRAM
* till the beginning of the U-Boot position in RAM.
*/
/* NAND flash settings */
#define CFG_SYS_NAND_BASE ATMEL_BASE_CS3
#define CFG_SYS_NAND_MASK_ALE (1 << 21)
#define CFG_SYS_NAND_MASK_CLE (1 << 22)
#define CFG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
#define CFG_SYS_NAND_READY_PIN AT91_PIN_PC13
/* serial console */
#define CFG_USART_BASE ATMEL_BASE_DBGU
#define CFG_USART_ID ATMEL_ID_SYS
/* DFU class support */
#define DFU_MANIFEST_POLL_TIMEOUT 25000
/* General Boot Parameter */
/*
* Predefined environment variables.
* Usefull to define some easy to use boot commands.
*/
#define CFG_EXTRA_ENV_SETTINGS \
\
"basicargs=console=ttyS0,115200\0" \
\
/*
* 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 CFG_SYS_INIT_RAM_SIZE 0x1000
#define CFG_SYS_INIT_RAM_ADDR ATMEL_BASE_SRAM1
/* Defines for SPL */
#define CFG_SYS_NAND_U_BOOT_SIZE SZ_512K
#define CFG_SYS_NAND_U_BOOT_START CONFIG_TEXT_BASE
#define CFG_SYS_NAND_U_BOOT_DST CONFIG_TEXT_BASE
#define CFG_SYS_NAND_ECCSIZE 256
#define CFG_SYS_NAND_ECCBYTES 3
#define CFG_SYS_NAND_ECCPOS { 40, 41, 42, 43, 44, 45, 46, 47, \
48, 49, 50, 51, 52, 53, 54, 55, \
56, 57, 58, 59, 60, 61, 62, 63, }
#define CFG_SYS_MASTER_CLOCK (198656000/2)
#define AT91_PLL_LOCK_TIMEOUT 1000000
#define CFG_SYS_AT91_PLLA 0x2060bf09
#define CFG_SYS_MCKR 0x100
#define CFG_SYS_MCKR_CSS (0x02 | CFG_SYS_MCKR)
#define CFG_SYS_AT91_PLLB 0x10483f0e
#endif /* __CONFIG_H */
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