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| − | {{InfoBoxTop}}
| + | TBD |
| − | {{Applies To Bora}}
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| − | {{Applies To BoraX}}
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| − | {{Applies To BoraLite}}
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| − | {{InfoBoxBottom}}
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| − | | |
| − | == History ==
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| − | {| class="wikitable" border="1"
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| − | !Version
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| − | !Date
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| − | !BELK version
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| − | !Notes
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| − | |-
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| − | |1.0.0
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| − | |November 2015
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| − | |[[Bora_Embedded_Linux_Kit_(BELK)#BELK_software_components|3.0.0]]
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| − | |First release
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| − | |-
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| − | |2.0.0
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| − | |December 2016
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| − | |BELK 3.0.1 / BXELK 1.0.0
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| − | |Added information about new kits
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| − | |-
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| − | |3.0.0
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| − | |July 2017
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| − | |BELK 4.0.0 / BXELK 2.0.0
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| − | |Added information about new kits
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| − | |-
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| − | |}
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| − | | |
| − | <section begin=BELK/>
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| − | ==System boot and recovery via microSD card==
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| − | BELK provides a bootable microSD that can be used not only to quickly start the system, but also as a recovery method in case the primary boot device (eg. QSPI NOR flash) gets erased or corrupted. The following sections describe how to create a bootable SD card and how to configure the system for booting from SD. [[BORA_SOM/BELK-L/Deployment/Restoring_U-Boot_on_NOR_flash|This article]], for example, shows how to make use of such a card to restore the U-Boot image onto the NOR flash.
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| − | | |
| − | {{ImportantMessage|text=It is worth remembering that the bootable microSD card described in this article is not configured to perform a full boot sequence, including the operating system bootstrap. The bootable microSD card delivered along with the kit is set up to do a full bootstrap sequence, instead. For more details, please refer to [[Working_with_the_Yocto_build_system#bootscript|this section]].}}
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| − | | |
| − | ===How to create a bootable microSD card===
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| − | ====BELK <= 3.0.2 / BXELK <= 1.0.1====
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| − | This section describes how to create a new bootable microSD card from scratch for '''BELK <= 3.0.2''' and '''BXELK <= 1.0.1'''.
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| − | The following components must be available:
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| − | *FSBL built with Vivado 2014.4 as described [[BORA_SOM/BELK-L/Development/Creating_and_building_a_Vivado_example|here]]
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| − | *U-boot built in elf format, as described in [[BORA_SOM/BELK-L/Development/Building_U-Boot|here]]
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| − | *FPGA bitstream (optional).
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| − | The procedure is the following:
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| − | *from the Vivado 2014.4 SDK, apply the required patches to the <code>main.c</code> project file.This step can be done in two ways:
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| − | **manually, directly modifying the <code>main.c</code> file adding the following code snippets:
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| − | <pre>
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| − | ----CUT----
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| − | /*
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| − | * Unlock SLCR for SLCR register write
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| − | */
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| − | SlcrUnlock();
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| − | | |
| − | + *((u32 *)0xF8000830) = 0x003F003F;
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| − | + *((u32 *)0xF8000834) = 0x003F003F;
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| − | | |
| − | /* If Performance measurement is required
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| − | * then read the Global Timer value , Please note that the
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| − | ----CUT----
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| − | | |
| − | ----CUT----
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| − | /*
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| − | * Read bootmode register
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| − | */
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| − | BootModeRegister = Xil_In32(BOOT_MODE_REG);
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| − | BootModeRegister &= BOOT_MODES_MASK;
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| − | | |
| − | + // always init QSPI
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| − | + InitQspi();
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| − |
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| − | /*
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| − | * QSPI BOOT MODE
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| − | */
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| − | #ifdef XPAR_PS7_QSPI_LINEAR_0_S_AXI_BASEADDR
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| − | ----CUT----
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| − | </pre>
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| − | **automatically, using the ''Apply Patch'' function and selecting the <code>belk-sd-boot.patch</code> file provided with the BELK (please refer to the following images):
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| − | [[File:Patch sd 1.png|thumb|center|600px|Automatic patch applying (1/3)]]
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| − | [[File:Patch sd 2.png|thumb|center|600px|Automatic patch applying (2/3)]]
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| − | [[File:Patch sd 3.png|thumb|center|600px|Automatic patch applying (3/3)]]
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| − | *once the patch is applied, rebuild the FSBL project
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| − | *from the Xilinx Tools menu, select ''Create Zynq Boot Image''
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| − | *select Create New BIF file and insert path and name of the .bif file
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| − | *in the ''Boot image partitions'' section, click on ''Add'' to browse and add the following files:
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| − | **FSBL in .elf format, with ''bootloader'' as partition type
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| − | **(optional) FPGA bitstream in .bit format, with partition type ''datafile''
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| − | **U-boot binary with .elf extension, with partition type ''datafile''
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| − | *in the ''Output path'' section, browse and select the path where saving the <code>boot.bin</code> file
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| − | *on a PC, format the microSD card creating a FAT32 partition
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| − | *copy the <code>boot.bin</code> file to the microSD card FAT32 partition.
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| − | | |
| − | ====BELK-4.0.0 / BXELK-2.0.0====
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| − | This section describes how to create a new bootable microSD card from scratch for '''BELK-4.0.0''' and '''BXELK-2.0.0'''.
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| − | The following components must be available:
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| − | *U-boot SPL and U-boot second stage built as described in [[BORA_SOM/BELK-L/Development/Building_U-Boot|here]]
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| − | *FPGA bitstream (optional).
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| − | The procedure is the following:
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| − | *on a PC, format the microSD card creating a FAT32 partition
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| − | *copy the following files to the microSD card FAT32 partition:
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| − | ** U-boot SPL: <code>boot.bin</code>
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| − | ** U-boot second stage: <code>u-boot.img</code>
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| − | ** Fpga bitstream .bit (optional): <code>fpga.bit</code>
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| − | | |
| − | ===How to configure the system for microSD boot===
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| − | For BORA / BORA Evaluation kit systems please refer to [[BORA_SOM/BORA_Evaluation_Kit/Getting_started/Boot_Configurations|this link]].
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| − | | |
| − | For BORA Xpress/ BORA xpress Evaluation kit systems please refer to [[BORA_Xpress_SOM/BORA_Xpress_Evaluation_Kit/Getting_started/Boot_Configurations|this link]].
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| − | | |
| − | For BORA Lite Evaluation kit systems please refer to [[BORA_Lite_SOM/BORA_Lite_Evaluation_Kit/Getting_started/Boot_Configurations|this link]].
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| − | | |
| − | {{ImportantMessage|text=In case the microSD card provided along with the kit is used, the Programmable Logic is automatically programmed with the [[BORA_SOM/BELK-L/Development/Creating_and_building_a_Vivado_example|example design]] during the boot process.
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| − | }}
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| − | <section end=BELK/>
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