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xilinx: zynqmp: Add usb dfu/thor distro boot support

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In usb boot mode distro boot should select usb device as primary boot
device instead of usb host. So make usb dfu as primary boot device. But do
not list it in boot_targets as fallback option because it is not classic
mode for booting. Using 60s timeout by default should be enough time for
dfu-utils to start transaction. In case none needs this please change
timeout value in the command or disable CONFIG_DFU_TIMEOUT.

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
T Karthik Reddy
2021-03-24 23:37:57 -06:00
committed by Michal Simek
parent 74fe3f2ef3
commit ef1be3e364
3 changed files with 32 additions and 1 deletions
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2
board/xilinx/zynqmp/zynqmp.c
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@@ -571,7 +571,7 @@ int board_late_init(void)
switch (bootmode) {
case USB_MODE:
puts("USB_MODE\n");
mode = "usb";
mode = "usb_dfu0 usb_dfu1";
env_set("modeboot", "usb_dfu_spl");
break;
case JTAG_MODE: