98 lines
2.7 KiB
Plaintext
98 lines
2.7 KiB
Plaintext
menuconfig BR2_TARGET_AT91BOOTSTRAP
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depends on BR2_arm
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bool "AT91 Bootstrap"
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help
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AT91Bootstrap is a first level bootloader for the Atmel AT91
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devices. It integrates algorithms for:
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- Device initialization such as clock configuration, PIO settings...
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- Peripheral drivers such as PIO, PMC or SDRAMC...
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- Physical media algorithm such as DataFlash, NandFlash, NOR Flash...
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if BR2_TARGET_AT91BOOTSTRAP
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config BR2_TARGET_AT91BOOTSTRAP_BOARD
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string "Bootstrap board"
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default ""
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help
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This is used to do a make <board>_config
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choice
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prompt "Boot Memory"
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default BR2_TARGET_AT91BOOT_DATAFLASHCARD
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help
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Select Chip for which AT91 bootstrap should be built
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config BR2_TARGET_AT91BOOT_DATAFLASH
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bool "AT45 Dataflash"
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config BR2_TARGET_AT91BOOT_DATAFLASHCARD
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bool "AT45 Dataflash Card"
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config BR2_TARGET_AT91BOOT_NANDFLASH
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bool "NAND Flash"
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config BR2_TARGET_AT91BOOT_FLASH
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bool "Internal Flash or external parallel flash"
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config BR2_TARGET_AT91BOOT_SDCARD
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bool "SD-Card"
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config BR2_TARGET_AT91BOOT_EEPROM
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bool "EEPROM"
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endchoice
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config BR2_TARGET_AT91BOOTSTRAP_MEMORY
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string
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default "dataflash" if BR2_TARGET_AT91BOOT_DATAFLASH
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default "dataflashcard" if BR2_TARGET_AT91BOOT_DATAFLASHCARD
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default "nandflash" if BR2_TARGET_AT91BOOT_NANDFLASH
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default "flash" if BR2_TARGET_AT91BOOT_FLASH
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default "sdcard" if BR2_TARGET_AT91BOOT_SDCARD
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default "eeprom" if BR2_TARGET_AT91BOOT_EEPROM
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config BR2_AT91BOOTSTRAP_IMG_SIZE
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string "Image Size to copy to SDRAM"
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default "0x32000" if BR2_TARGET_AT91BOOT_DATAFLASH
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default "0x32000" if BR2_TARGET_AT91BOOT_DATAFLASHCARD
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default "0x30000" if BR2_TARGET_AT91BOOT_NANDFLASH
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default "0x100000" if BR2_TARGET_AT91BOOT_FLASH
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default "0x30000" if BR2_TARGET_AT91BOOT_SDCARD
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default "0x30000" if BR2_TARGET_AT91BOOT_EEPROM
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help
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Select the size of your application
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AT91 Bootstrap will copy this amount from flash to SDRAM
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choice
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prompt "Start address of application"
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default BR2_AT91BOOTSTRAP_JUMP_TO_DEFAULT
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help
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Location of the application start address
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config BR2_AT91BOOTSTRAP_JUMP_TO_DEFAULT
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bool "Copy to the default U-Boot start location in the SDRAM"
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help
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This is where you copy the U-Boot boot loader
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config BR2_AT91BOOTSTRAP_JUMP_TO_HIGH_SDRAM
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bool "Copy to the last Megabyte of the SDRAM"
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help
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This is where you copy a boot loader
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config BR2_AT91BOOTSTRAP_JUMP_TO_START_OF_SDRAM
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bool "Copy to the start of the SDRAM"
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help
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This is where you copy a standalone application
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endchoice
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config BR2_AT91BOOTSTRAP_JUMP_ADDR
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string
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default "0x23F00000" if BR2_AT91BOOTSTRAP_JUMP_TO_DEFAULT
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default "0x23F00000" if BR2_AT91BOOTSTRAP_JUMP_TO_HIGH_SDRAM
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default "0x20000000" if BR2_AT91BOOTSTRAP_JUMP_TO_START_OF_SDRAM
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endif
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