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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 */
- #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
- #define CONFIG_SYS_MEMTEST_END 0x23e00000
- #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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