| /openbmc/u-boot/doc/SPL/ |
| H A D | README.omap3 | 1 Overview of SPL on OMAP3 devices
7 This document provides an overview of how SPL functions on OMAP3 (and related
14 one has been used successfully to load SPL this information is stored in memory
24 Note that the size of the SPL text rodata and data is enforced with a CONFIG
25 option and growing over that size results in a link error. The SPL stack
28 SPL text, data and rodata is considered the safe stack area. Details on
35 Option 1 (SPL only):
36 0x40200800 - 0x4020BBFF: Area for SPL text, data and rodata
37 0x4020E000 - 0x4020FFFC: Area for the SPL stack.
38 0x80000000 - 0x8007FFFF: Area for the SPL BSS.
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| H A D | README.spl-secure-boot | 1 Overview of SPL verified boot on powerpc/mpc85xx & arm/layerscape platforms
7 This document provides an overview of how SPL verified boot works on powerpc/
13 The SPL image is responsible for loading the next stage boot loader, which is
15 SPL image, so to continue chain of trust SPL image verifies U-boot image using
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| /openbmc/u-boot/common/spl/ |
| H A D | Kconfig | 1 menu "SPL / TPL"
12 config SPL config
15 prompt "Enable SPL"
17 If you want to build SPL as well as the normal image, say Y.
20 bool "Support SPL based upon the common SPL framework"
21 depends on SPL
24 Enable the SPL framework under common/spl/. This framework
29 bool "Pass hand-off information from SPL to U-Boot proper"
32 It is useful to be able to pass information from SPL to U-Boot
33 proper to preserve state that is known in SPL and is needed in U-Boot.
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| /openbmc/u-boot/doc/ |
| H A D | README.multi-dtb-fit | 3 The purpose of this feature is to enable U-Boot or the SPL to select its DTB
5 It comes in two flavors: U-Boot (CONFIG_MULTI_DTB_FIT) and SPL
9 Usually the DTB is selected by the SPL and passed down to U-Boot. But some
10 platforms don't use the SPL. In this case MULTI_DTB_FIT can used to provide
16 The selection is done using board_fit_config_name_match() (same as what the SPL
20 SPL flavor:
21 the SPL uses only a small subset of the DTB and it usually depends more
23 SPL that doesn't exactly match the board. There are howerver some cases
25 boards (or board revisions) with the same SPL binary, SPL_MULTI_DTB_FIT
29 that SPL can locate it and select the correct DTB from inside the FIT.
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| H A D | README.SPL | 1 Generic SPL framework
7 To unify all existing implementations for a secondary program loader (SPL)
8 and to allow simply adding of new implementations this generic SPL framework
16 The object files for SPL are built separately and placed in the "spl" directory.
20 A config option named CONFIG_SPL_BUILD is enabled by Kconfig for SPL.
21 Source files can therefore be compiled for SPL with different settings.
38 The building of SPL images can be enabled by CONFIG_SPL option in Kconfig.
40 Because SPL images normally have a different text base, one has to be
44 To support generic U-Boot libraries and drivers in the SPL binary one can
73 When building SPL with DEBUG set you may also need to set CONFIG_PANIC_HANG
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| H A D | README.TPL | 9 Due to the SPL on some boards(powerpc mpc85xx) has a size limit and cannot
12 SPL. It loads the final uboot image into DDR, then jump to it to begin
16 Keep consistent with SPL, with this framework almost all source files for a
23 Makefile is shared by SPL and TPL.
25 The object files are built separately for SPL/TPL and placed in the
32 The SPL options are shared by SPL and TPL, the board config file should
33 determine which SPL options to choose based on whether CONFIG_TPL_BUILD
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| H A D | README.falcon | 13 Falcon Mode relies on the SPL framework. In fact, to make booting faster,
14 U-Boot is split into two parts: the SPL (Secondary Program Loader) and U-Boot
15 image. In most implementations, SPL is used to start U-Boot when booting from
16 a mass storage, such as NAND or SD-Card. SPL has now support for other media,
18 required initialization. SPL mainly initializes the RAM controller, and then
22 from SPL. A new command is added to U-Boot to prepare the parameters that SPL
28 With Falcon Mode, this snapshot can be saved into persistent storage and SPL is
43 3. Boot the board into Falcon Mode. SPL will load the kernel and copy
48 It is required to implement a custom mechanism to select if SPL loads U-Boot
52 reading a character from the SPL console if CONFIG_SPL_CONSOLE is set.
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| /openbmc/u-boot/board/freescale/mx6sabresd/ |
| H A D | README | 10 3. Booting via Falcon mode (SPL launches the kernel directly)
13 1. Booting from SD card via SPL
24 This will generate the SPL and u-boot-dtb.img binaries.
26 - Flash the SPL binary into the SD card:
28 $ sudo dd if=SPL of=/dev/sdX bs=1K seek=1 && sync
42 This will generate the SPL and u-boot-dtb.img binaries.
54 - Flash SPL and u-boot-dtb.img binaries into the eMMC:
56 $ sudo dd if=SPL of=/dev/sdX bs=1K seek=1 && sync
68 This will generate the SPL image called SPL and the u-boot-dtb.img.
70 - Flash the SPL image into the SD card:
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| /openbmc/u-boot/doc/imx/habv4/guides/ |
| H A D | mx6_mx7_spl_secure_boot.txt | 2 + i.MX6, i.MX7 U-Boot HABv4 Secure Boot guide for SPL targets +
10 SPL targets.
15 1.1 Building a SPL target supporting secure boot
18 The U-Boot provides Second Program Loader (SPL) support which generates two
19 final images, SPL and U-Boot proper. The HABv4 can be used to authenticate
22 Out of reset the ROM code authenticates the SPL which is responsible for
24 enablement. Once the DDR is available, the SPL code loads the U-Boot proper
32 When built with this configuration the U-Boot correctly pads the final SPL
39 The diagram below illustrate a signed SPL image layout:
49 | | SPL |
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| /openbmc/u-boot/disk/ |
| H A D | Kconfig | 7 select SPL_SPRINTF if SPL
9 select SPL_STRTO if SPL
34 bool "Enable Apple's MacOS partition table for SPL"
35 depends on SPL && PARTITIONS
47 bool "Enable MS Dos partition table for SPL"
48 depends on SPL && PARTITIONS
58 bool "Enable ISO partition table for SPL"
59 depends on SPL && PARTITIONS
69 bool "Enable AMIGA partition table for SPL"
70 depends on SPL && PARTITIONS
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| /openbmc/u-boot/arch/arm/mach-imx/mx6/ |
| H A D | Kconfig | 77 select SPL_DM if SPL
78 select SPL_OF_CONTROL if SPL
79 select SPL_PINCTRL if SPL
80 select SPL_SEPARATE_BSS if SPL
92 depends on SPL
254 select SPL
255 select SPL_DM if SPL
256 select SPL_GPIO_SUPPORT if SPL
257 select SPL_LIBCOMMON_SUPPORT if SPL
258 select SPL_LIBDISK_SUPPORT if SPL
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| /openbmc/u-boot/arch/arm/mach-rockchip/ |
| H A D | Kconfig | 7 select SPL
28 select SPL_BOARD_INIT if SPL
30 select SPL
51 select SPL
63 select SPL_BOARD_INIT if SPL
65 select SPL
100 select TPL_NEEDS_SEPARATE_TEXT_BASE if SPL
134 select SPL
165 bool "SPL returns to bootrom"
168 depends on SPL
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| /openbmc/u-boot/board/freescale/mx6sabreauto/ |
| H A D | README | 12 This will generate the SPL and u-boot-dtb.img binaries.
14 - Flash the SPL binary into the SD card:
16 $ sudo dd if=SPL of=/dev/sdX bs=1K seek=1 && sync
35 This will generate the SPL image called SPL and the u-boot-dtb.img.
37 - Flash the SPL image into the SD card:
39 $ sudo dd if=SPL of=/dev/sdb bs=1K seek=1 && sync
82 - Restart the board and then SPL binary will launch the kernel directly.
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| /openbmc/u-boot/doc/imx/misc/ |
| H A D | sdp.txt | 11 images to the target in SPL/U-Boot using the same protocol/tooling the
30 1. Using imx_usb_loader for first install with SPL
34 (CONFIG_CMD_USB_SDP) or in SPL if Serial Downloader boot mode has been
37 A typical use case is downloading full U-Boot after SPL has been
39 detection the SPL will run the SDP implementation automatically in
42 # imx_usb SPL
50 At this point the SPL reenumerated as a new HID device and emulating
94 SPL:jump header2
102 With that SPL and U-Boot can be downloaded with a single invocation
107 2. Using imx_usb_loader non-SPL images
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| /openbmc/u-boot/configs/ |
| H A D | pengwyn_defconfig | 24 CONFIG_SPL_NET_VCI_STRING="AM335x U-Boot SPL"
45 CONFIG_MTDPARTS_DEFAULT="mtdparts=omap2-nand.0:512k(SPL),512k(SPL.backup1),512k(SPL.backup2),512k(S…
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| H A D | am43xx_hs_evm_defconfig | 25 CONFIG_SPL_NET_VCI_STRING="AM43xx U-Boot SPL"
35 …MTDPARTS_DEFAULT="mtdparts=nand.0:256k(NAND.SPL),256k(NAND.SPL.backup1),256k(NAND.SPL.backup2),256…
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| /openbmc/u-boot/arch/arm/mach-k3/ |
| H A D | Kconfig | 20 specify the total size of SPL as ROM can use some part
21 of this RAM. Once ROM gives control to SPL then this
47 Address at which ROM stores the value which determines if SPL
62 bool "Start Cortex-A from SPL"
63 depends on SPL && CPU_V7R
66 after SPL from R5.
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| /openbmc/u-boot/arch/arm/mach-keystone/ |
| H A D | Kconfig | 9 select SPL_BOARD_INIT if SPL
15 select SPL_BOARD_INIT if SPL
21 select SPL_BOARD_INIT if SPL
28 select SPL_BOARD_INIT if SPL
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| /openbmc/u-boot/board/udoo/ |
| H A D | README | 10 This will generate the SPL image called SPL and the u-boot.img.
12 - Flash the SPL image into the SD card:
14 sudo dd if=SPL of=/dev/mmcblk0 bs=1k seek=1; sync
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| /openbmc/u-boot/board/bticino/mamoj/ |
| H A D | README | 10 This will generate the SPL image called SPL and the u-boot-dtb.img.
29 - Build the BSP and copy SPL, u-boot-dtb.img in imx_usb_loader directory
49 SPL:jump header2
77 - Program SPL
84 # dfu-util -D SPL -a spl
120 Poweroff and Poweron the board and see Linux booting directly after SPL.
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| /openbmc/u-boot/board/solidrun/mx6cuboxi/ |
| H A D | README | 10 This will generate the SPL image called SPL and the u-boot.img.
12 - Flash the SPL image into the SD card:
14 sudo dd if=SPL of=/dev/mmcblk0 bs=1k seek=1; sync
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| /openbmc/u-boot/arch/arm/mach-zynqmp/ |
| H A D | Kconfig | 54 depends on SPL
62 depends on SPL
90 Include psu_init to full u-boot. SPL include psu_init by default.
93 bool "Overwrite SPL bootmode"
94 depends on SPL
96 Overwrite bootmode selected via boot mode pins to tell SPL what should
104 depends on SPL
107 platform can use as boot device. This option ensures that SPL will
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| /openbmc/u-boot/board/technexion/pico-imx7d/ |
| H A D | README | 14 This generates the SPL and u-boot.img binaries.
35 Copy SPL and u-boot.img to the imx_usb_loader folder.
37 Load the SPL binary via USB:
39 $ sudo ./imx_usb SPL
58 Flash SPL and u-boot.img into the eMMC running the following commands on a PC:
60 $ sudo dfu-util -D SPL -a spl
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| /openbmc/u-boot/dts/ |
| H A D | Kconfig | 43 bool "Enable run-time configuration via Device Tree in SPL"
44 depends on SPL && OF_CONTROL
48 allow such boards to be supported by U-Boot SPL.
128 or SPL will select the correct DT to use by examining the
149 multiple DTBs but don't use the SPL.
154 bool "Support embedding several DTBs in a FIT image for the SPL"
156 This option provides the SPL with the ability to select its own
158 This allows using the same SPL binary on multiple platforms.
165 string "List of device tree files to include for DT control in SPL"
170 control in the SPL. These will be packaged into a FIT. At run-time,
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| /openbmc/u-boot/board/grinn/liteboard/ |
| H A D | README | 10 This will generate the SPL image called SPL and the u-boot.img.
12 - Flash the SPL image into the micro SD card:
14 sudo dd if=SPL of=/dev/mmcblk0 bs=1k seek=1; sync
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