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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>
*
* Configuation settings for the AT91SAM9260EK & AT91SAM9G20EK boards.
*/
#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 /* slow clock xtal */
#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */
/* Define actual evaluation board type from used processor type */
#ifdef CONFIG_AT91SAM9G20
# define CONFIG_AT91SAM9G20EK /* It's an Atmel AT91SAM9G20 EK */
#else
# define CONFIG_AT91SAM9260EK /* It's an Atmel AT91SAM9260 EK */
#endif
/* Misc CPU related */
#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_INITRD_TAG
#define CONFIG_SKIP_LOWLEVEL_INIT
/* general purpose I/O */
#define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
/*
* BOOTP options
*/
#define CONFIG_BOOTP_BOOTFILESIZE 1
/*
* SDRAM: 1 bank, min 32, max 128 MB
* Initialized before u-boot gets started.
*/
#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
#define CONFIG_SYS_SDRAM_SIZE 0x04000000
/*
* 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.
*/
#ifdef CONFIG_AT91SAM9XE
# define CONFIG_SYS_INIT_SP_ADDR \
(ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
#else
# define CONFIG_SYS_INIT_SP_ADDR \
(ATMEL_BASE_SRAM1 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
#endif
/*
* The (arm)linux board id set by generic code depending on configured board
* (see boards.cfg for different boards)
*/
#ifdef CONFIG_AT91SAM9G20
/* the sam9g20 variants have two different board ids */
# ifdef CONFIG_AT91SAM9G20EK_2MMC
/* we may be setup for the 2MMC variant of at91sam9g20ek */
# define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC
# else
/* or the normal at91sam9g20ek */
# define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK
# endif
#else
/* otherwise default to good old at91sam9260ek */
# define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK
#endif
/* NAND flash */
#ifdef CONFIG_CMD_NAND
#define CONFIG_SYS_MAX_NAND_DEVICE 1
#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
#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 AT91_PIN_PC14
#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
#endif
/* USB */
#define CONFIG_USB_ATMEL
#define CONFIG_USB_ATMEL_CLK_SEL_PLLB
#define CONFIG_USB_OHCI_NEW 1
#define CONFIG_SYS_USB_OHCI_CPU_INIT 1
#define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */
#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
#ifdef CONFIG_SYS_USE_DATAFLASH_CS0
/* bootstrap + u-boot + env + linux in dataflash on CS0 */
#define CONFIG_BOOTCOMMAND "sf probe 0:0; " \
"sf read 0x22000000 0x84000 0x294000; " \
"bootm 0x22000000"
#elif CONFIG_SYS_USE_DATAFLASH_CS1
#define CONFIG_BOOTCOMMAND "sf probe 0:1; " \
"sf read 0x22000000 0x84000 0x294000; " \
"bootm 0x22000000"
#elif defined(CONFIG_SYS_USE_NANDFLASH)
/* bootstrap + u-boot + env + linux in nandflash */
#define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm"
#else /* CONFIG_SYS_USE_MMC */
/* bootstrap + u-boot + env + linux in mmc */
/* For FAT system, most cases it should be in the reserved sector */
#define CONFIG_SYS_MMC_ENV_DEV 0
#define CONFIG_BOOTCOMMAND \
"fatload mmc 0:1 0x22000000 uImage; bootm"
#endif
/*
* Size of malloc() pool
*/
#define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
#endif
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