u-boot/include/configs/at91sam9x5ek.h

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * Copyright (C) 2012 Atmel Corporation
 *
 * Configuation settings for the AT91SAM9X5EK board.
 */

#ifndef __CONFIG_H__
#define __CONFIG_H__

/* ARM asynchronous clock */
#define CONFIG_SYS_AT91_SLOW_CLOCK	32768
#define CONFIG_SYS_AT91_MAIN_CLOCK	12000000	/* 12 MHz crystal */

#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

/*
 * define CONFIG_USB_EHCI_HCD to enable USB Hi-Speed (aka 2.0)
 * NB: in this case, USB 1.1 devices won't be recognized.
 */

/* SDRAM */
#define CONFIG_SYS_SDRAM_BASE		0x20000000
#define CONFIG_SYS_SDRAM_SIZE		0x08000000	/* 128 megs */

#define CONFIG_SYS_INIT_SP_ADDR \
	(CONFIG_SYS_SDRAM_BASE + 16 * 1024 - GENERATED_GBL_DATA_SIZE)

/* DataFlash */

/* NAND flash */
#ifdef CONFIG_CMD_NAND
#define CONFIG_SYS_MAX_NAND_DEVICE	1
#define CONFIG_SYS_NAND_BASE		0x40000000
#define CONFIG_SYS_NAND_DBW_8		1
/* our ALE is AD21 */
#define CONFIG_SYS_NAND_MASK_ALE	(1 << 21)
/* our CLE is AD22 */
#define CONFIG_SYS_NAND_MASK_CLE	(1 << 22)
#define CONFIG_SYS_NAND_ENABLE_PIN	AT91_PIN_PD4
#define CONFIG_SYS_NAND_READY_PIN	AT91_PIN_PD5
#endif

/* USB */
#ifdef CONFIG_CMD_USB
#ifndef CONFIG_USB_EHCI_HCD
#define CONFIG_USB_ATMEL
#define CONFIG_USB_ATMEL_CLK_SEL_UPLL
#define CONFIG_USB_OHCI_NEW
#define CONFIG_SYS_USB_OHCI_CPU_INIT
#define CONFIG_SYS_USB_OHCI_REGS_BASE		ATMEL_BASE_OHCI
#define CONFIG_SYS_USB_OHCI_SLOT_NAME		"at91sam9x5"
#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	3
#endif
#endif

#define CONFIG_SYS_LOAD_ADDR		0x22000000	/* load address */

#ifdef CONFIG_NAND_BOOT
/* bootstrap + u-boot + env + linux in nandflash */
#define CONFIG_BOOTCOMMAND	"nand read " \
				"0x22000000 0x200000 0x600000; " \
				"nand read 0x21000000 0x180000 0x20000; " \
				"bootz 0x22000000 - 0x21000000"
#elif defined(CONFIG_SPI_BOOT)
/* bootstrap + u-boot + env + linux in spi flash */
#define CONFIG_BOOTCOMMAND	"sf probe 0; " \
				"sf read 0x22000000 0x100000 0x300000; " \
				"bootm 0x22000000"
#elif defined(CONFIG_SYS_USE_DATAFLASH)
/* bootstrap + u-boot + env + linux in data flash */
#define CONFIG_BOOTCOMMAND	"sf probe 0; " \
				"sf read 0x22000000 0x84000 0x294000; " \
				"bootm 0x22000000"
#endif

/*
 * Size of malloc() pool
 */
#define CONFIG_SYS_MALLOC_LEN		(512 * 1024 + 0x1000)

/* SPL */
#define CONFIG_SPL_MAX_SIZE		0x6000
#define CONFIG_SPL_STACK		0x308000

#define CONFIG_SPL_BSS_START_ADDR	0x20000000
#define CONFIG_SPL_BSS_MAX_SIZE		0x80000
#define CONFIG_SYS_SPL_MALLOC_START	0x20080000
#define CONFIG_SYS_SPL_MALLOC_SIZE	0x80000

#define CONFIG_SYS_MONITOR_LEN		(512 << 10)

#define CONFIG_SYS_MASTER_CLOCK		132096000
#define CONFIG_SYS_AT91_PLLA		0x20c73f03
#define CONFIG_SYS_MCKR			0x1301
#define CONFIG_SYS_MCKR_CSS		0x1302

#ifdef CONFIG_SD_BOOT
#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME		"u-boot.img"
#endif
#define CONFIG_SYS_NAND_U_BOOT_OFFS	0x40000
#define CONFIG_SYS_NAND_5_ADDR_CYCLE
#define CONFIG_SYS_NAND_PAGE_SIZE	0x800
#define CONFIG_SYS_NAND_PAGE_COUNT	64
#define CONFIG_SYS_NAND_OOBSIZE		64
#define CONFIG_SYS_NAND_BLOCK_SIZE	0x20000
#define CONFIG_SYS_NAND_BAD_BLOCK_POS	0x0

#endif