2016-09-13 13:05:23 +00:00
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menu "SPL / TPL"
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2016-09-13 05:18:22 +00:00
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config SUPPORT_SPL
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bool
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config SUPPORT_TPL
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bool
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2017-05-04 10:15:29 +00:00
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config SPL_DFU_NO_RESET
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bool
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2016-09-13 05:18:22 +00:00
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config SPL
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bool
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depends on SUPPORT_SPL
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prompt "Enable SPL"
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help
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If you want to build SPL as well as the normal image, say Y.
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2017-05-22 19:21:57 +00:00
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if SPL
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2017-05-03 09:13:32 +00:00
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config SPL_BOARD_INIT
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bool "Call board-specific initialization in SPL"
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help
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If this option is enabled, U-Boot will call the function
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spl_board_init() from board_init_r(). This function should be
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provided by the board.
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2017-02-16 17:18:38 +00:00
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config SPL_RAW_IMAGE_SUPPORT
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bool "Support SPL loading and booting of RAW images"
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default n if (ARCH_MX6 && (SPL_MMC_SUPPORT || SPL_SATA_SUPPORT))
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2017-02-16 17:18:40 +00:00
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default y if !TI_SECURE_DEVICE
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2017-02-16 17:18:38 +00:00
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help
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SPL will support loading and booting a RAW image when this option
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is y. If this is not set, SPL will move on to other available
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boot media to find a suitable image.
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2017-02-16 17:18:39 +00:00
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config SPL_LEGACY_IMAGE_SUPPORT
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bool "Support SPL loading and booting of Legacy images"
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2017-02-16 17:18:40 +00:00
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default y if !TI_SECURE_DEVICE
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2017-02-16 17:18:39 +00:00
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help
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SPL will support loading and booting Legacy images when this option
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is y. If this is not set, SPL will move on to other available
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boot media to find a suitable image.
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2016-09-13 05:18:22 +00:00
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config SPL_SYS_MALLOC_SIMPLE
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bool
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prompt "Only use malloc_simple functions in the SPL"
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help
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Say Y here to only use the *_simple malloc functions from
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malloc_simple.c, rather then using the versions from dlmalloc.c;
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this will make the SPL binary smaller at the cost of more heap
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usage as the *_simple malloc functions do not re-use free-ed mem.
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config SPL_STACK_R
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bool "Enable SDRAM location for SPL stack"
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help
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SPL starts off execution in SRAM and thus typically has only a small
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stack available. Since SPL sets up DRAM while in its board_init_f()
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function, it is possible for the stack to move there before
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board_init_r() is reached. This option enables a special SDRAM
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location for the SPL stack. U-Boot SPL switches to this after
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board_init_f() completes, and before board_init_r() starts.
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config SPL_STACK_R_ADDR
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depends on SPL_STACK_R
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hex "SDRAM location for SPL stack"
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help
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Specify the address in SDRAM for the SPL stack. This will be set up
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before board_init_r() is called.
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config SPL_STACK_R_MALLOC_SIMPLE_LEN
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depends on SPL_STACK_R && SPL_SYS_MALLOC_SIMPLE
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hex "Size of malloc_simple heap after switching to DRAM SPL stack"
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default 0x100000
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help
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Specify the amount of the stack to use as memory pool for
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malloc_simple after switching the stack to DRAM. This may be set
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to give board_init_r() a larger heap then the initial heap in
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SRAM which is limited to SYS_MALLOC_F_LEN bytes.
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config SPL_SEPARATE_BSS
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bool "BSS section is in a different memory region from text"
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help
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Some platforms need a large BSS region in SPL and can provide this
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because RAM is already set up. In this case BSS can be moved to RAM.
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This option should then be enabled so that the correct device tree
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location is used. Normally we put the device tree at the end of BSS
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but with this option enabled, it goes at _image_binary_end.
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2016-09-25 00:19:56 +00:00
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config SPL_DISPLAY_PRINT
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bool "Display a board-specific message in SPL"
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help
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If this option is enabled, U-Boot will call the function
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spl_display_print() immediately after displaying the SPL console
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banner ("U-Boot SPL ..."). This function should be provided by
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the board.
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2016-11-16 17:19:05 +00:00
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config SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
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bool "MMC raw mode: by sector"
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default y if ARCH_SUNXI || ARCH_DAVINCI || ARCH_UNIPHIER ||ARCH_MX6 || \
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ARCH_ROCKCHIP || ARCH_MVEBU || ARCH_SOCFPGA || \
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ARCH_AT91 || ARCH_ZYNQ || ARCH_KEYSTONE || OMAP34XX || \
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OMAP44XX || OMAP54XX || AM33XX || AM43XX
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help
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Use sector number for specifying U-Boot location on MMC/SD in
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raw mode.
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config SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
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hex "Address on the MMC to load U-Boot from"
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2017-05-22 19:21:57 +00:00
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depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
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2016-11-16 17:19:05 +00:00
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default 0x50 if ARCH_SUNXI
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default 0x75 if ARCH_DAVINCI
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default 0x8a if ARCH_MX6
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2017-01-27 21:53:53 +00:00
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default 0x100 if ARCH_ROCKCHIP || ARCH_UNIPHIER
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2016-11-16 17:19:05 +00:00
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default 0x140 if ARCH_MVEBU
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default 0x200 if ARCH_SOCFPGA || ARCH_AT91
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default 0x300 if ARCH_ZYNQ || ARCH_KEYSTONE || OMAP34XX || OMAP44XX || \
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OMAP54XX || AM33XX || AM43XX
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help
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Address on the MMC to load U-Boot from, when the MMC is being used
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in raw mode. Units: MMC sectors (1 sector = 512 bytes).
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2017-02-11 01:15:35 +00:00
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config SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
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bool "MMC Raw mode: by partition"
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help
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Use a partition for loading U-Boot when using MMC/SD in raw mode.
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config SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
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hex "Partition to use to load U-Boot from"
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2017-05-22 19:21:57 +00:00
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depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
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2017-02-11 01:15:35 +00:00
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default 1
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help
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Partition on the MMC to load U-Boot from when the MMC is being
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used in raw mode
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2017-02-11 01:15:34 +00:00
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config SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE
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bool "MMC raw mode: by partition type"
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2017-05-22 19:21:57 +00:00
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depends on DOS_PARTITION && SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
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2017-02-11 01:15:34 +00:00
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help
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Use partition type for specifying U-Boot partition on MMC/SD in
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raw mode. U-Boot will be loaded from the first partition of this
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type to be found.
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config SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_TYPE
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hex "Partition Type on the MMC to load U-Boot from"
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2017-05-22 19:21:57 +00:00
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depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE
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2017-02-11 01:15:34 +00:00
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help
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Partition Type on the MMC to load U-Boot from, when the MMC is being
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used in raw mode.
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2016-09-13 13:05:23 +00:00
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config SPL_CRC32_SUPPORT
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bool "Support CRC32"
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depends on SPL_FIT
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help
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Enable this to support CRC32 in FIT images within SPL. This is a
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32-bit checksum value that can be used to verify images. This is
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the least secure type of checksum, suitable for detected
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accidental image corruption. For secure applications you should
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consider SHA1 or SHA256.
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config SPL_MD5_SUPPORT
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bool "Support MD5"
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depends on SPL_FIT
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help
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Enable this to support MD5 in FIT images within SPL. An MD5
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checksum is a 128-bit hash value used to check that the image
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contents have not been corrupted. Note that MD5 is not considered
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secure as it is possible (with a brute-force attack) to adjust the
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image while still retaining the same MD5 hash value. For secure
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applications where images may be changed maliciously, you should
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consider SHA1 or SHA256.
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config SPL_SHA1_SUPPORT
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bool "Support SHA1"
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depends on SPL_FIT
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2017-05-15 16:17:49 +00:00
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select SHA1
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2016-09-13 13:05:23 +00:00
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help
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Enable this to support SHA1 in FIT images within SPL. A SHA1
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checksum is a 160-bit (20-byte) hash value used to check that the
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image contents have not been corrupted or maliciously altered.
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While SHA1 is fairly secure it is coming to the end of its life
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due to the expanding computing power avaiable to brute-force
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attacks. For more security, consider SHA256.
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config SPL_SHA256_SUPPORT
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bool "Support SHA256"
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depends on SPL_FIT
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2017-05-15 16:17:49 +00:00
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select SHA256
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2016-09-13 13:05:23 +00:00
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help
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Enable this to support SHA256 in FIT images within SPL. A SHA256
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checksum is a 256-bit (32-byte) hash value used to check that the
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image contents have not been corrupted. SHA256 is recommended for
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use in secure applications since (as at 2016) there is no known
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feasible attack that could produce a 'collision' with differing
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input data. Use this for the highest security. Note that only the
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SHA256 variant is supported: SHA512 and others are not currently
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supported in U-Boot.
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2017-01-16 14:03:29 +00:00
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config SPL_CPU_SUPPORT
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bool "Support CPU drivers"
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help
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Enable this to support CPU drivers in SPL. These drivers can set
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up CPUs and provide information about them such as the model and
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name. This can be useful in SPL since setting up the CPUs earlier
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may improve boot performance. Enable this option to build the
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drivers in drivers/cpu as part of an SPL build.
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2016-09-13 13:05:23 +00:00
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config SPL_CRYPTO_SUPPORT
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bool "Support crypto drivers"
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help
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Enable crypto drivers in SPL. These drivers can be used to
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accelerate secure boot processing in secure applications. Enable
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this option to build the drivers in drivers/crypto as part of an
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SPL build.
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config SPL_HASH_SUPPORT
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bool "Support hashing drivers"
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2017-05-15 16:17:49 +00:00
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select SHA1
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select SHA256
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2016-09-13 13:05:23 +00:00
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help
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Enable hashing drivers in SPL. These drivers can be used to
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accelerate secure boot processing in secure applications. Enable
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this option to build system-specific drivers for hash acceleration
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as part of an SPL build.
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config SPL_DMA_SUPPORT
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bool "Support DMA drivers"
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help
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Enable DMA (direct-memory-access) drivers in SPL. These drivers
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can be used to handle memory-to-peripheral data transfer without
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the CPU moving the data. Enable this option to build the drivers
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in drivers/dma as part of an SPL build.
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config SPL_DRIVERS_MISC_SUPPORT
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bool "Support misc drivers"
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help
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Enable miscellaneous drivers in SPL. These drivers perform various
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tasks that don't fall nicely into other categories, Enable this
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option to build the drivers in drivers/misc as part of an SPL
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build, for those that support building in SPL (not all drivers do).
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config SPL_ENV_SUPPORT
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bool "Support an environment"
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help
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Enable environment support in SPL. The U-Boot environment provides
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a number of settings (essentially name/value pairs) which can
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control many aspects of U-Boot's operation. Normally this is not
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needed in SPL as it has a much simpler task with less
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configuration. But some boards use this to support 'Falcon' boot
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on EXT2 and FAT, where SPL boots directly into Linux without
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starting U-Boot first. Enabling this option will make getenv()
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and setenv() available in SPL.
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2016-09-28 09:16:18 +00:00
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config SPL_SAVEENV
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bool "Support save environment"
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2017-05-22 19:21:57 +00:00
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depends on SPL_ENV_SUPPORT
|
2016-09-28 09:16:18 +00:00
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help
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Enable save environment support in SPL after setenv. By default
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the saveenv option is not provided in SPL, but some boards need
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this support in 'Falcon' boot, where SPL need to boot from
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different images based on environment variable set by OS. For
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example OS may set "reboot_image" environment variable to
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"recovery" inorder to boot recovery image by SPL. The SPL read
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"reboot_image" and act accordingly and change the reboot_image
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to default mode using setenv and save the environemnt.
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2016-09-13 13:05:23 +00:00
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config SPL_ETH_SUPPORT
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bool "Support Ethernet"
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depends on SPL_ENV_SUPPORT
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help
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Enable access to the network subsystem and associated Ethernet
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drivers in SPL. This permits SPL to load U-Boot over an Ethernet
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link rather than from an on-board peripheral. Environment support
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is required since the network stack uses a number of environment
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variables. See also SPL_NET_SUPPORT.
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config SPL_EXT_SUPPORT
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bool "Support EXT filesystems"
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help
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Enable support for EXT2/3/4 filesystems with SPL. This permits
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U-Boot (or Linux in Falcon mode) to be loaded from an EXT
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filesystem from within SPL. Support for the underlying block
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device (e.g. MMC or USB) must be enabled separately.
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config SPL_FAT_SUPPORT
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bool "Support FAT filesystems"
|
2017-06-02 12:23:59 +00:00
|
|
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select FS_FAT
|
2016-09-13 13:05:23 +00:00
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help
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Enable support for FAT and VFAT filesystems with SPL. This
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|
|
permits U-Boot (or Linux in Falcon mode) to be loaded from a FAT
|
|
|
|
|
filesystem from within SPL. Support for the underlying block
|
|
|
|
|
device (e.g. MMC or USB) must be enabled separately.
|
|
|
|
|
|
|
|
|
|
config SPL_FPGA_SUPPORT
|
|
|
|
|
bool "Support FPGAs"
|
|
|
|
|
help
|
|
|
|
|
Enable support for FPGAs in SPL. Field-programmable Gate Arrays
|
|
|
|
|
provide software-configurable hardware which is typically used to
|
|
|
|
|
implement peripherals (such as UARTs, LCD displays, MMC) or
|
|
|
|
|
accelerate custom processing functions, such as image processing
|
|
|
|
|
or machine learning. Sometimes it is useful to program the FPGA
|
|
|
|
|
as early as possible during boot, and this option can enable that
|
|
|
|
|
within SPL.
|
|
|
|
|
|
|
|
|
|
config SPL_GPIO_SUPPORT
|
|
|
|
|
bool "Support GPIO"
|
|
|
|
|
help
|
|
|
|
|
Enable support for GPIOs (General-purpose Input/Output) in SPL.
|
|
|
|
|
GPIOs allow U-Boot to read the state of an input line (high or
|
|
|
|
|
low) and set the state of an output line. This can be used to
|
|
|
|
|
drive LEDs, control power to various system parts and read user
|
|
|
|
|
input. GPIOs can be useful in SPL to enable a 'sign-of-life' LED,
|
|
|
|
|
for example. Enable this option to build the drivers in
|
|
|
|
|
drivers/gpio as part of an SPL build.
|
|
|
|
|
|
|
|
|
|
config SPL_I2C_SUPPORT
|
|
|
|
|
bool "Support I2C"
|
|
|
|
|
help
|
|
|
|
|
Enable support for the I2C (Inter-Integrated Circuit) bus in SPL.
|
|
|
|
|
I2C works with a clock and data line which can be driven by a
|
|
|
|
|
one or more masters or slaves. It is a fairly complex bus but is
|
|
|
|
|
widely used as it only needs two lines for communication. Speeds of
|
|
|
|
|
400kbps are typical but up to 3.4Mbps is supported by some
|
|
|
|
|
hardware. I2C can be useful in SPL to configure power management
|
|
|
|
|
ICs (PMICs) before raising the CPU clock speed, for example.
|
|
|
|
|
Enable this option to build the drivers in drivers/i2c as part of
|
|
|
|
|
an SPL build.
|
|
|
|
|
|
|
|
|
|
config SPL_LIBCOMMON_SUPPORT
|
|
|
|
|
bool "Support common libraries"
|
|
|
|
|
help
|
|
|
|
|
Enable support for common U-Boot libraries within SPL. These
|
|
|
|
|
libraries include common code to deal with U-Boot images,
|
|
|
|
|
environment and USB, for example. This option is enabled on many
|
|
|
|
|
boards. Enable this option to build the code in common/ as part of
|
|
|
|
|
an SPL build.
|
|
|
|
|
|
|
|
|
|
config SPL_LIBDISK_SUPPORT
|
|
|
|
|
bool "Support disk paritions"
|
|
|
|
|
help
|
|
|
|
|
Enable support for disk partitions within SPL. 'Disk' is something
|
|
|
|
|
of a misnomer as it includes non-spinning media such as flash (as
|
|
|
|
|
used in MMC and USB sticks). Partitions provide a way for a disk
|
|
|
|
|
to be split up into separate regions, with a partition table placed
|
|
|
|
|
at the start or end which describes the location and size of each
|
|
|
|
|
'partition'. These partitions are typically uses as individual block
|
|
|
|
|
devices, typically with an EXT2 or FAT filesystem in each. This
|
|
|
|
|
option enables whatever partition support has been enabled in
|
|
|
|
|
U-Boot to also be used in SPL. It brings in the code in disk/.
|
|
|
|
|
|
|
|
|
|
config SPL_LIBGENERIC_SUPPORT
|
|
|
|
|
bool "Support generic libraries"
|
|
|
|
|
help
|
|
|
|
|
Enable support for generic U-Boot libraries within SPL. These
|
|
|
|
|
libraries include generic code to deal with device tree, hashing,
|
|
|
|
|
printf(), compression and the like. This option is enabled on many
|
|
|
|
|
boards. Enable this option to build the code in lib/ as part of an
|
|
|
|
|
SPL build.
|
|
|
|
|
|
|
|
|
|
config SPL_MMC_SUPPORT
|
|
|
|
|
bool "Support MMC"
|
2017-05-22 19:21:57 +00:00
|
|
|
depends on MMC
|
2016-09-13 13:05:23 +00:00
|
|
|
help
|
|
|
|
|
Enable support for MMC (Multimedia Card) within SPL. This enables
|
|
|
|
|
the MMC protocol implementation and allows any enabled drivers to
|
|
|
|
|
be used within SPL. MMC can be used with or without disk partition
|
|
|
|
|
support depending on the application (SPL_LIBDISK_SUPPORT). Enable
|
|
|
|
|
this option to build the drivers in drivers/mmc as part of an SPL
|
|
|
|
|
build.
|
|
|
|
|
|
|
|
|
|
config SPL_MPC8XXX_INIT_DDR_SUPPORT
|
|
|
|
|
bool "Support MPC8XXX DDR init"
|
|
|
|
|
help
|
|
|
|
|
Enable support for DDR-SDRAM (double-data-rate synchronous dynamic
|
|
|
|
|
random-access memory) on the MPC8XXX family within SPL. This
|
|
|
|
|
allows DRAM to be set up before loading U-Boot into that DRAM,
|
|
|
|
|
where it can run.
|
|
|
|
|
|
|
|
|
|
config SPL_MTD_SUPPORT
|
|
|
|
|
bool "Support MTD drivers"
|
|
|
|
|
help
|
|
|
|
|
Enable support for MTD (Memory Technology Device) within SPL. MTD
|
|
|
|
|
provides a block interface over raw NAND and can also be used with
|
|
|
|
|
SPI flash. This allows SPL to load U-Boot from supported MTD
|
|
|
|
|
devices. See SPL_NAND_SUPPORT and SPL_ONENAND_SUPPORT for how
|
|
|
|
|
to enable specific MTD drivers.
|
|
|
|
|
|
|
|
|
|
config SPL_MUSB_NEW_SUPPORT
|
|
|
|
|
bool "Support new Mentor Graphics USB"
|
|
|
|
|
help
|
|
|
|
|
Enable support for Mentor Graphics USB in SPL. This is a new
|
|
|
|
|
driver used by some boards. Enable this option to build
|
|
|
|
|
the drivers in drivers/usb/musb-new as part of an SPL build. The
|
|
|
|
|
old drivers are in drivers/usb/musb.
|
|
|
|
|
|
|
|
|
|
config SPL_NAND_SUPPORT
|
|
|
|
|
bool "Support NAND flash"
|
|
|
|
|
help
|
|
|
|
|
Enable support for NAND (Negative AND) flash in SPL. NAND flash
|
|
|
|
|
can be used to allow SPL to load U-Boot from supported devices.
|
|
|
|
|
This enables the drivers in drivers/mtd/nand as part of an SPL
|
|
|
|
|
build.
|
|
|
|
|
|
|
|
|
|
config SPL_NET_SUPPORT
|
|
|
|
|
bool "Support networking"
|
|
|
|
|
help
|
|
|
|
|
Enable support for network devices (such as Ethernet) in SPL.
|
|
|
|
|
This permits SPL to load U-Boot over a network link rather than
|
|
|
|
|
from an on-board peripheral. Environment support is required since
|
|
|
|
|
the network stack uses a number of environment variables. See also
|
|
|
|
|
SPL_ETH_SUPPORT.
|
|
|
|
|
|
|
|
|
|
if SPL_NET_SUPPORT
|
|
|
|
|
config SPL_NET_VCI_STRING
|
|
|
|
|
string "BOOTP Vendor Class Identifier string sent by SPL"
|
|
|
|
|
help
|
|
|
|
|
As defined by RFC 2132 the vendor class identifier field can be
|
|
|
|
|
sent by the client to identify the vendor type and configuration
|
|
|
|
|
of a client. This is often used in practice to allow for the DHCP
|
|
|
|
|
server to specify different files to load depending on if the ROM,
|
|
|
|
|
SPL or U-Boot itself makes the request
|
|
|
|
|
endif # if SPL_NET_SUPPORT
|
|
|
|
|
|
|
|
|
|
config SPL_NO_CPU_SUPPORT
|
|
|
|
|
bool "Drop CPU code in SPL"
|
|
|
|
|
help
|
|
|
|
|
This is specific to the ARM926EJ-S CPU. It disables the standard
|
|
|
|
|
start.S start-up code, presumably so that a replacement can be
|
|
|
|
|
used on that CPU. You should not enable it unless you know what
|
|
|
|
|
you are doing.
|
|
|
|
|
|
|
|
|
|
config SPL_NOR_SUPPORT
|
|
|
|
|
bool "Support NOR flash"
|
|
|
|
|
help
|
|
|
|
|
Enable support for loading U-Boot from memory-mapped NOR (Negative
|
|
|
|
|
OR) flash in SPL. NOR flash is slow to write but fast to read, and
|
|
|
|
|
a memory-mapped device makes it very easy to access. Loading from
|
|
|
|
|
NOR is typically achieved with just a memcpy().
|
|
|
|
|
|
2017-05-28 19:55:11 +00:00
|
|
|
config SPL_XIP_SUPPORT
|
|
|
|
|
bool "Support XIP"
|
|
|
|
|
depends on SPL
|
|
|
|
|
help
|
|
|
|
|
Enable support for execute in place of U-Boot or kernel image. There
|
|
|
|
|
is no need to copy image from flash to ram if flash supports execute
|
|
|
|
|
in place. Its very useful in systems having enough flash but not
|
|
|
|
|
enough ram to load the image.
|
|
|
|
|
|
2016-09-13 13:05:23 +00:00
|
|
|
config SPL_ONENAND_SUPPORT
|
|
|
|
|
bool "Support OneNAND flash"
|
|
|
|
|
help
|
|
|
|
|
Enable support for OneNAND (Negative AND) flash in SPL. OneNAND is
|
|
|
|
|
a type of NAND flash and therefore can be used to allow SPL to
|
|
|
|
|
load U-Boot from supported devices. This enables the drivers in
|
|
|
|
|
drivers/mtd/onenand as part of an SPL build.
|
|
|
|
|
|
2016-10-06 05:55:15 +00:00
|
|
|
config SPL_OS_BOOT
|
|
|
|
|
bool "Activate Falcon Mode"
|
2017-05-22 19:21:57 +00:00
|
|
|
depends on !TI_SECURE_DEVICE
|
2016-10-06 05:55:15 +00:00
|
|
|
default n
|
|
|
|
|
help
|
|
|
|
|
Enable booting directly to an OS from SPL.
|
|
|
|
|
for more info read doc/README.falcon
|
|
|
|
|
|
2016-10-06 05:55:16 +00:00
|
|
|
if SPL_OS_BOOT
|
|
|
|
|
config SYS_OS_BASE
|
|
|
|
|
hex "addr, where OS is found"
|
2017-05-22 19:21:57 +00:00
|
|
|
depends on SPL_NOR_SUPPORT
|
2016-10-06 05:55:16 +00:00
|
|
|
help
|
|
|
|
|
Specify the address, where the OS image is found, which
|
|
|
|
|
gets booted.
|
|
|
|
|
|
|
|
|
|
endif # SPL_OS_BOOT
|
|
|
|
|
|
2017-01-16 14:03:30 +00:00
|
|
|
config SPL_PCI_SUPPORT
|
|
|
|
|
bool "Support PCI drivers"
|
|
|
|
|
help
|
|
|
|
|
Enable support for PCI in SPL. For platforms that need PCI to boot,
|
|
|
|
|
or must perform some init using PCI in SPL, this provides the
|
|
|
|
|
necessary driver support. This enables the drivers in drivers/pci
|
|
|
|
|
as part of an SPL build.
|
|
|
|
|
|
2017-01-16 14:03:33 +00:00
|
|
|
config SPL_PCH_SUPPORT
|
|
|
|
|
bool "Support PCH drivers"
|
|
|
|
|
help
|
|
|
|
|
Enable support for PCH (Platform Controller Hub) devices in SPL.
|
|
|
|
|
These are used to set up GPIOs and the SPI peripheral early in
|
|
|
|
|
boot. This enables the drivers in drivers/pch as part of an SPL
|
|
|
|
|
build.
|
|
|
|
|
|
2016-09-13 13:05:23 +00:00
|
|
|
config SPL_POST_MEM_SUPPORT
|
|
|
|
|
bool "Support POST drivers"
|
|
|
|
|
help
|
|
|
|
|
Enable support for POST (Power-on Self Test) in SPL. POST is a
|
|
|
|
|
procedure that checks that the hardware (CPU or board) appears to
|
|
|
|
|
be functionally correctly. It is a sanity check that can be
|
|
|
|
|
performed before booting. This enables the drivers in post/drivers
|
|
|
|
|
as part of an SPL build.
|
|
|
|
|
|
|
|
|
|
config SPL_POWER_SUPPORT
|
|
|
|
|
bool "Support power drivers"
|
|
|
|
|
help
|
|
|
|
|
Enable support for power control in SPL. This includes support
|
|
|
|
|
for PMICs (Power-management Integrated Circuits) and some of the
|
|
|
|
|
features provided by PMICs. In particular, voltage regulators can
|
|
|
|
|
be used to enable/disable power and vary its voltage. That can be
|
|
|
|
|
useful in SPL to turn on boot peripherals and adjust CPU voltage
|
|
|
|
|
so that the clock speed can be increased. This enables the drivers
|
|
|
|
|
in drivers/power, drivers/power/pmic and drivers/power/regulator
|
|
|
|
|
as part of an SPL build.
|
|
|
|
|
|
2016-12-23 06:51:53 +00:00
|
|
|
config SPL_RAM_SUPPORT
|
|
|
|
|
bool "Support booting from RAM"
|
|
|
|
|
default y if MICROBLAZE || ARCH_SOCFPGA || TEGRA || ARCH_ZYNQ
|
|
|
|
|
help
|
|
|
|
|
Enable booting of an image in RAM. The image can be preloaded or
|
|
|
|
|
it can be loaded by SPL directly into RAM (e.g. using USB).
|
|
|
|
|
|
2016-12-23 06:51:52 +00:00
|
|
|
config SPL_RAM_DEVICE
|
|
|
|
|
bool "Support booting from preloaded image in RAM"
|
2016-12-23 06:51:53 +00:00
|
|
|
depends on SPL_RAM_SUPPORT
|
2016-12-23 06:51:52 +00:00
|
|
|
default y if MICROBLAZE || ARCH_SOCFPGA || TEGRA || ARCH_ZYNQ
|
|
|
|
|
help
|
|
|
|
|
Enable booting of an image already loaded in RAM. The image has to
|
|
|
|
|
be already in memory when SPL takes over, e.g. loaded by the boot
|
|
|
|
|
ROM.
|
|
|
|
|
|
2017-01-16 14:03:31 +00:00
|
|
|
config SPL_RTC_SUPPORT
|
|
|
|
|
bool "Support RTC drivers"
|
|
|
|
|
help
|
|
|
|
|
Enable RTC (Real-time Clock) support in SPL. This includes support
|
|
|
|
|
for reading and setting the time. Some RTC devices also have some
|
|
|
|
|
non-volatile (battery-backed) memory which is accessible if
|
|
|
|
|
needed. This enables the drivers in drivers/rtc as part of an SPL
|
|
|
|
|
build.
|
|
|
|
|
|
2016-09-13 13:05:23 +00:00
|
|
|
config SPL_SATA_SUPPORT
|
|
|
|
|
bool "Support loading from SATA"
|
|
|
|
|
help
|
|
|
|
|
Enable support for SATA (Serial AT attachment) in SPL. This allows
|
|
|
|
|
use of SATA devices such as hard drives and flash drivers for
|
|
|
|
|
loading U-Boot. SATA is used in higher-end embedded systems and
|
|
|
|
|
can provide higher performance than MMC , at somewhat higher
|
|
|
|
|
expense and power consumption. This enables loading from SATA
|
|
|
|
|
using a configured device.
|
|
|
|
|
|
|
|
|
|
config SPL_SERIAL_SUPPORT
|
|
|
|
|
bool "Support serial"
|
|
|
|
|
help
|
|
|
|
|
Enable support for serial in SPL. This allows use of a serial UART
|
|
|
|
|
for displaying messages while SPL is running. It also brings in
|
|
|
|
|
printf() and panic() functions. This should normally be enabled
|
|
|
|
|
unless there are space reasons not to. Even then, consider
|
|
|
|
|
enabling USE_TINY_PRINTF which is a small printf() version.
|
|
|
|
|
|
|
|
|
|
config SPL_SPI_FLASH_SUPPORT
|
|
|
|
|
bool "Support SPI flash drivers"
|
|
|
|
|
help
|
|
|
|
|
Enable support for using SPI flash in SPL, and loading U-Boot from
|
|
|
|
|
SPI flash. SPI flash (Serial Peripheral Bus flash) is named after
|
|
|
|
|
the SPI bus that is used to connect it to a system. It is a simple
|
|
|
|
|
but fast bidirectional 4-wire bus (clock, chip select and two data
|
|
|
|
|
lines). This enables the drivers in drivers/mtd/spi as part of an
|
|
|
|
|
SPL build. This normally requires SPL_SPI_SUPPORT.
|
|
|
|
|
|
|
|
|
|
config SPL_SPI_SUPPORT
|
|
|
|
|
bool "Support SPI drivers"
|
|
|
|
|
help
|
|
|
|
|
Enable support for using SPI in SPL. This is used for connecting
|
|
|
|
|
to SPI flash for loading U-Boot. See SPL_SPI_FLASH_SUPPORT for
|
|
|
|
|
more details on that. The SPI driver provides the transport for
|
|
|
|
|
data between the SPI flash and the CPU. This option can be used to
|
|
|
|
|
enable SPI drivers that are needed for other purposes also, such
|
|
|
|
|
as a SPI PMIC.
|
|
|
|
|
|
2017-01-16 14:03:32 +00:00
|
|
|
config SPL_TIMER_SUPPORT
|
|
|
|
|
bool "Support timer drivers"
|
|
|
|
|
help
|
|
|
|
|
Enable support for timer drivers in SPL. These can be used to get
|
|
|
|
|
a timer value when in SPL, or perhaps for implementing a delay
|
|
|
|
|
function. This enables the drivers in drivers/timer as part of an
|
|
|
|
|
SPL build.
|
|
|
|
|
|
2016-09-13 13:05:23 +00:00
|
|
|
config SPL_USB_HOST_SUPPORT
|
|
|
|
|
bool "Support USB host drivers"
|
|
|
|
|
help
|
|
|
|
|
Enable access to USB (Universal Serial Bus) host devices so that
|
|
|
|
|
SPL can load U-Boot from a connected USB peripheral, such as a USB
|
|
|
|
|
flash stick. While USB takes a little longer to start up than most
|
|
|
|
|
buses, it is very flexible since many different types of storage
|
|
|
|
|
device can be attached. This option enables the drivers in
|
|
|
|
|
drivers/usb/host as part of an SPL build.
|
|
|
|
|
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|
|
config SPL_USB_SUPPORT
|
|
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|
|
bool "Support loading from USB"
|
|
|
|
|
depends on SPL_USB_HOST_SUPPORT
|
|
|
|
|
help
|
|
|
|
|
Enable support for USB devices in SPL. This allows use of USB
|
|
|
|
|
devices such as hard drives and flash drivers for loading U-Boot.
|
|
|
|
|
The actual drivers are enabled separately using the normal U-Boot
|
|
|
|
|
config options. This enables loading from USB using a configured
|
|
|
|
|
device.
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|
|
|
2016-11-21 18:58:53 +00:00
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|
|
config SPL_USB_GADGET_SUPPORT
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|
|
bool "Suppport USB Gadget drivers"
|
|
|
|
|
help
|
|
|
|
|
Enable USB Gadget API which allows to enable USB device functions
|
|
|
|
|
in SPL.
|
|
|
|
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|
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|
|
if SPL_USB_GADGET_SUPPORT
|
|
|
|
|
|
|
|
|
|
config SPL_USBETH_SUPPORT
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|
|
|
bool "Support USB Ethernet drivers"
|
|
|
|
|
help
|
|
|
|
|
Enable access to the USB network subsystem and associated
|
|
|
|
|
drivers in SPL. This permits SPL to load U-Boot over a
|
|
|
|
|
USB-connected Ethernet link (such as a USB Ethernet dongle) rather
|
|
|
|
|
than from an onboard peripheral. Environment support is required
|
|
|
|
|
since the network stack uses a number of environment variables.
|
|
|
|
|
See also SPL_NET_SUPPORT and SPL_ETH_SUPPORT.
|
|
|
|
|
|
2016-11-21 18:58:52 +00:00
|
|
|
config SPL_DFU_SUPPORT
|
|
|
|
|
bool "Support DFU (Device Firmware Upgarde)"
|
|
|
|
|
select SPL_HASH_SUPPORT
|
2017-05-04 10:15:29 +00:00
|
|
|
select SPL_DFU_NO_RESET
|
2017-05-04 10:15:28 +00:00
|
|
|
depends on SPL_RAM_SUPPORT
|
2016-11-21 18:58:52 +00:00
|
|
|
help
|
|
|
|
|
This feature enables the DFU (Device Firmware Upgarde) in SPL with
|
|
|
|
|
RAM memory device support. The ROM code will load and execute
|
|
|
|
|
the SPL built with dfu. The user can load binaries (u-boot/kernel) to
|
|
|
|
|
selected device partition from host-pc using dfu-utils.
|
|
|
|
|
This feature is useful to flash the binaries to factory or bare-metal
|
|
|
|
|
boards using USB interface.
|
|
|
|
|
|
|
|
|
|
choice
|
|
|
|
|
bool "DFU device selection"
|
|
|
|
|
depends on SPL_DFU_SUPPORT
|
|
|
|
|
|
|
|
|
|
config SPL_DFU_RAM
|
|
|
|
|
bool "RAM device"
|
2016-12-23 06:51:53 +00:00
|
|
|
depends on SPL_DFU_SUPPORT && SPL_RAM_SUPPORT
|
2016-11-21 18:58:52 +00:00
|
|
|
help
|
|
|
|
|
select RAM/DDR memory device for loading binary images
|
|
|
|
|
(u-boot/kernel) to the selected device partition using
|
|
|
|
|
DFU and execute the u-boot/kernel from RAM.
|
|
|
|
|
|
|
|
|
|
endchoice
|
|
|
|
|
|
2016-11-21 18:58:53 +00:00
|
|
|
endif
|
|
|
|
|
|
2016-09-13 13:05:23 +00:00
|
|
|
config SPL_WATCHDOG_SUPPORT
|
|
|
|
|
bool "Support watchdog drivers"
|
|
|
|
|
help
|
|
|
|
|
Enable support for watchdog drivers in SPL. A watchdog is
|
|
|
|
|
typically a hardware peripheral which can reset the system when it
|
|
|
|
|
detects no activity for a while (such as a software crash). This
|
|
|
|
|
enables the drivers in drivers/watchdog as part of an SPL build.
|
|
|
|
|
|
|
|
|
|
config SPL_YMODEM_SUPPORT
|
|
|
|
|
bool "Support loading using Ymodem"
|
|
|
|
|
help
|
|
|
|
|
While loading from serial is slow it can be a useful backup when
|
|
|
|
|
there is no other option. The Ymodem protocol provides a reliable
|
|
|
|
|
means of transmitting U-Boot over a serial line for using in SPL,
|
|
|
|
|
with a checksum to ensure correctness.
|
|
|
|
|
|
2017-05-05 03:47:45 +00:00
|
|
|
config SPL_ATF_SUPPORT
|
|
|
|
|
bool "Support ARM Trusted Firmware"
|
2017-05-22 19:21:57 +00:00
|
|
|
depends on ARM64
|
2017-05-05 03:47:45 +00:00
|
|
|
help
|
|
|
|
|
ATF(ARM Trusted Firmware) is a component for ARM arch64 which which
|
|
|
|
|
is loaded by SPL(which is considered as BL2 in ATF terminology).
|
|
|
|
|
More detail at: https://github.com/ARM-software/arm-trusted-firmware
|
|
|
|
|
|
|
|
|
|
config SPL_ATF_TEXT_BASE
|
|
|
|
|
depends on SPL_ATF_SUPPORT
|
|
|
|
|
hex "ATF BL31 base address"
|
|
|
|
|
help
|
|
|
|
|
This is the base address in memory for ATF BL31 text and entry point.
|
|
|
|
|
|
2017-05-22 19:21:57 +00:00
|
|
|
config TPL
|
|
|
|
|
bool
|
|
|
|
|
depends on SUPPORT_TPL
|
|
|
|
|
prompt "Enable TPL"
|
|
|
|
|
help
|
|
|
|
|
If you want to build TPL as well as the normal image and SPL, say Y.
|
|
|
|
|
|
|
|
|
|
if TPL
|
|
|
|
|
|
2016-09-13 05:18:27 +00:00
|
|
|
config TPL_ENV_SUPPORT
|
|
|
|
|
bool "Support an environment"
|
|
|
|
|
help
|
|
|
|
|
Enable environment support in TPL. See SPL_ENV_SUPPORT for details.
|
|
|
|
|
|
|
|
|
|
config TPL_I2C_SUPPORT
|
|
|
|
|
bool "Support I2C"
|
|
|
|
|
help
|
|
|
|
|
Enable support for the I2C bus in SPL. See SPL_I2C_SUPPORT for
|
|
|
|
|
details.
|
|
|
|
|
|
|
|
|
|
config TPL_LIBCOMMON_SUPPORT
|
|
|
|
|
bool "Support common libraries"
|
|
|
|
|
help
|
|
|
|
|
Enable support for common U-Boot libraries within TPL. See
|
|
|
|
|
SPL_LIBCOMMON_SUPPORT for details.
|
|
|
|
|
|
|
|
|
|
config TPL_LIBGENERIC_SUPPORT
|
|
|
|
|
bool "Support generic libraries"
|
|
|
|
|
help
|
|
|
|
|
Enable support for generic U-Boot libraries within TPL. See
|
|
|
|
|
SPL_LIBGENERIC_SUPPORT for details.
|
|
|
|
|
|
|
|
|
|
config TPL_MPC8XXX_INIT_DDR_SUPPORT
|
|
|
|
|
bool "Support MPC8XXX DDR init"
|
|
|
|
|
help
|
|
|
|
|
Enable support for DDR-SDRAM on the MPC8XXX family within TPL. See
|
|
|
|
|
SPL_MPC8XXX_INIT_DDR_SUPPORT for details.
|
|
|
|
|
|
|
|
|
|
config TPL_MMC_SUPPORT
|
|
|
|
|
bool "Support MMC"
|
2017-05-22 19:21:57 +00:00
|
|
|
depends on MMC
|
2016-09-13 05:18:27 +00:00
|
|
|
help
|
|
|
|
|
Enable support for MMC within TPL. See SPL_MMC_SUPPORT for details.
|
|
|
|
|
|
|
|
|
|
config TPL_NAND_SUPPORT
|
|
|
|
|
bool "Support NAND flash"
|
|
|
|
|
help
|
|
|
|
|
Enable support for NAND in SPL. See SPL_NAND_SUPPORT for details.
|
|
|
|
|
|
|
|
|
|
config TPL_SERIAL_SUPPORT
|
|
|
|
|
bool "Support serial"
|
|
|
|
|
help
|
|
|
|
|
Enable support for serial in SPL. See SPL_SERIAL_SUPPORT for
|
|
|
|
|
details.
|
|
|
|
|
|
|
|
|
|
config TPL_SPI_FLASH_SUPPORT
|
|
|
|
|
bool "Support SPI flash drivers"
|
|
|
|
|
help
|
|
|
|
|
Enable support for using SPI flash in SPL. See SPL_SPI_FLASH_SUPPORT
|
|
|
|
|
for details.
|
|
|
|
|
|
|
|
|
|
config TPL_SPI_SUPPORT
|
|
|
|
|
bool "Support SPI drivers"
|
|
|
|
|
help
|
|
|
|
|
Enable support for using SPI in SPL. See SPL_SPI_SUPPORT for
|
|
|
|
|
details.
|
|
|
|
|
|
2017-05-22 19:21:57 +00:00
|
|
|
endif # TPL
|
|
|
|
|
|
|
|
|
|
endif # SPL
|
2016-09-13 13:05:23 +00:00
|
|
|
endmenu
|
