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pico-imx7d: Add fastboot support

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fastboot tool is a convenient way to flash the eMMC, so
add support for it.

Examples of usages:

On the pico-imx7d U-Boot prompt:

=> fastboot 0

On the Linux PC connected via USB:

1. Retrieving the U-Boot version

$ sudo fastboot getvar bootloader-version -i 0x0525
bootloader-version: U-Boot 2018.07-rc1-03888-gde846f9
finished. total time: 0.000s

2. Resetting the board

$ sudo fastboot reboot -i 0x0525

(this causes the pico-imx7d to reboot)

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
This commit is contained in:
Fabio Estevam 2018-06-29 15:19:10 -03:00 committed by Stefano Babic
parent 0676b6948d
commit 3fbbfed7a8
2 changed files with 7 additions and 1 deletions
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7
configs/pico-imx7d_defconfig
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@ -21,6 +21,12 @@ CONFIG_CMD_USB_MASS_STORAGE=y
CONFIG_CMD_CACHE=y
CONFIG_CMD_EXT4_WRITE=y
CONFIG_DFU_MMC=y
CONFIG_USB_FUNCTION_FASTBOOT=y
CONFIG_FASTBOOT_BUF_ADDR=0x82000000
CONFIG_FASTBOOT_BUF_SIZE=0x10000000
CONFIG_FASTBOOT_FLASH=y
CONFIG_FASTBOOT_FLASH_MMC_DEV=0
CONFIG_FASTBOOT_CMD_OEM_FORMAT=y
CONFIG_FSL_ESDHC=y
CONFIG_PHYLIB=y
CONFIG_USB=y
@ -32,5 +38,4 @@ CONFIG_USB_GADGET_MANUFACTURER="FSL"
CONFIG_USB_GADGET_VENDOR_NUM=0x0525
CONFIG_USB_GADGET_PRODUCT_NUM=0xa4a5
CONFIG_CI_UDC=y
CONFIG_USB_GADGET_DOWNLOAD=y
CONFIG_OF_LIBFDT=y

1
include/configs/pico-imx7d.h
View File

@ -60,6 +60,7 @@
"partitions=" \
"uuid_disk=${uuid_gpt_disk};" \
"name=rootfs,size=0,uuid=${uuid_gpt_rootfs}\0" \
"fastboot_partition_alias_system=rootfs\0" \
"setup_emmc=mmc dev 0; gpt write mmc 0 $partitions; reset;\0" \
BOOTENV