U-Boot for Acme Systems Arietta G25 based on the linux4sam_5.3 version #5
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- Remove NAND FLASH support since Arietta-G25 doesn't have NAND; - Add DDR2-SDRAM configuration based on at91sam9x5ek.c; - MMC support for SD card boot; - SPI configuration and SPI FLASH support based on at91sam9x5ek.c; - Add Kconfig, MAINTAINERS and Makefile for Arietta-G25 Signed-off-by: Biagio Montaruli <[email protected]>
include (source) Arietta-G25 Kconfig file allowing the user to choose Arietta configuration in Atmel AT91 boards configuration menu Signed-off-by: Biagio Montaruli <[email protected]>
Add support for Arietta-G25 for both 128mb and 256mb ram version Signed-off-by: Biagio Montaruli <[email protected]>
Add include/configs/arietta_g25.h, based on at91sam9x5ek, to define Arietta boot strategies. By default Arietta-G25 supports boot from SD card but user can also use a boot environment file (uEnv.txt) to define boot environment variables and to customize boot steps. By default at91bootstrap (boot.bin) loads U-Boot image (u-boot.bin) into SDRAM and then U-Boot is used to load the Linux kernel image (zImage) and the device tree binary (acme-arietta.dtb) into SDRAM. At91bootstrap, U-Boot image and Kernel image must be on the first SD card partition formatted with a FAT16 or FAT32 file system. During the boot process, if U-Boot does not find the kernel image nor the dtb, it tries to load uEnv.txt from the first partition of the SD card. Signed-off-by: Biagio Montaruli <[email protected]>
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@wenyouyang 👍 : Thanks for adding U-Boot configuration for Arietta G25 in u-boot-at91 repository |
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These patches add support for Acme Systems Arietta G25 to U-Boot-AT91 source tree.
For more info see the commit messages and the notes of the first U-Boot version for Arietta G25
Best regards,
Biagio.