U-Boot

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * (C) Copyright 2010
 * Ilko Iliev <iliev@ronetix.at>
 * Asen Dimov <dimov@ronetix.at>
 * Ronetix GmbH <www.ronetix.at>
 *
 * (C) Copyright 2007-2008
 * Stelian Pop <stelian@popies.net>
 * Lead Tech Design <www.leadtechdesign.com>
 *
 * Configuation settings for the PM9G45 board.
 */

#ifndef __CONFIG_H
#define __CONFIG_H

/* ARM asynchronous clock */
#define CONFIG_SYS_AT91_SLOW_CLOCK      32768
#define CONFIG_SYS_AT91_MAIN_CLOCK      12000000 /* from 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

/* SDRAM */
#define CONFIG_SYS_SDRAM_BASE           0x70000000
#define CONFIG_SYS_SDRAM_SIZE		0x08000000

#define CONFIG_SYS_INIT_SP_ADDR \
	(CONFIG_SYS_SDRAM_BASE + 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
#define CONFIG_SYS_NAND_DBW_8
/* our ALE is AD21 */
#define CONFIG_SYS_NAND_MASK_ALE		BIT(21)
/* our CLE is AD22 */
#define CONFIG_SYS_NAND_MASK_CLE		BIT(22)
#define CONFIG_SYS_NAND_ENABLE_PIN		AT91_PIN_PC14
#define CONFIG_SYS_NAND_READY_PIN		AT91_PIN_PD3
#define CONFIG_SYS_NAND_DRIVER_ECC_LAYOUT
#endif

/* Ethernet */
#define CONFIG_RESET_PHY_R
#define CONFIG_AT91_WANTS_COMMON_PHY

#define CONFIG_SYS_LOAD_ADDR		0x22000000	/* load address */

#define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
#define CONFIG_SYS_MEMTEST_END		0x23e00000

#ifdef CONFIG_NAND_BOOT
/* bootstrap + u-boot + env in nandflash */

#define CONFIG_BOOTCOMMAND						\
	"nand read 0x70000000 0x200000 0x300000;"			\
	"bootm 0x70000000"
#elif CONFIG_SD_BOOT
/* bootstrap + u-boot + env + linux in mmc */

#define CONFIG_BOOTCOMMAND	"fatload mmc 0:1 0x71000000 dtb; " \
				"fatload mmc 0:1 0x72000000 zImage; " \
				"bootz 0x72000000 - 0x71000000"
#endif

/*
 * Size of malloc() pool
 */
#define CONFIG_SYS_MALLOC_LEN		ROUND(3 * CONFIG_ENV_SIZE + \
					      128 * 1024, 0x1000)

/* Defines for SPL */
#define CONFIG_SPL_MAX_SIZE		0x010000
#define CONFIG_SPL_STACK		0x310000

#define CONFIG_SYS_MONITOR_LEN		0x80000

#ifdef CONFIG_SD_BOOT

#define CONFIG_SPL_BSS_START_ADDR	0x70000000
#define CONFIG_SPL_BSS_MAX_SIZE		0x00080000
#define CONFIG_SYS_SPL_MALLOC_START	0x70080000
#define CONFIG_SYS_SPL_MALLOC_SIZE	0x00080000

#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME		"u-boot.img"

#elif CONFIG_NAND_BOOT
#define CONFIG_SPL_NAND_DRIVERS
#define CONFIG_SPL_NAND_BASE
#define CONFIG_SPL_NAND_ECC
#define CONFIG_SPL_NAND_SOFTECC
#define CONFIG_SYS_NAND_U_BOOT_OFFS	0x40000
#define CONFIG_SYS_NAND_U_BOOT_SIZE	0x80000
#define CONFIG_SYS_NAND_5_ADDR_CYCLE

#define CONFIG_SYS_NAND_PAGE_SIZE	0x800
#define CONFIG_SYS_NAND_BLOCK_SIZE	0x20000
#define CONFIG_SYS_NAND_PAGE_COUNT	64
#define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
#define CONFIG_SYS_NAND_ECCSIZE		256
#define CONFIG_SYS_NAND_ECCBYTES	3
#define CONFIG_SYS_NAND_OOBSIZE		64
#define CONFIG_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, }
#endif

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

#endif