From d175982c207bb2ace592d7985cd3f05ab99759d9 Mon Sep 17 00:00:00 2001
From: Fabio Estevam <festevam@denx.de>
Date: Thu, 21 Apr 2022 15:05:23 -0300
Subject: [PATCH] imx8mn/8mp: Allow booting via USB
When trying to boot via USB on i.MX8MN it is necessary to specify
the U-Boot environment location, otherwise the boot process simply
hangs.
Specify the environment location when booting from USB.
Tested on a imx8mn-evk.
Suggested-by: Michael Nazzareno Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Fabio Estevam <festevam@denx.de>
Tested-By: Tim Harvey <tharvey@gateworks.com>
---
arch/arm/mach-imx/imx8m/soc.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c
index 8e23e6da32..bc3379a250 100644
--- a/arch/arm/mach-imx/imx8m/soc.c
+++ b/arch/arm/mach-imx/imx8m/soc.c
@@ -1535,6 +1535,16 @@ enum env_location arch_env_get_location(enum env_operation op, int prio)
return ENVL_UNKNOWN;
switch (dev) {
+ case USB_BOOT:
+ if (IS_ENABLED(CONFIG_ENV_IS_IN_SPI_FLASH))
+ return ENVL_SPI_FLASH;
+ if (IS_ENABLED(CONFIG_ENV_IS_IN_NAND))
+ return ENVL_NAND;
+ if (IS_ENABLED(CONFIG_ENV_IS_IN_MMC))
+ return ENVL_MMC;
+ if (IS_ENABLED(CONFIG_ENV_IS_NOWHERE))
+ return ENVL_NOWHERE;
+ return ENVL_UNKNOWN;
case QSPI_BOOT:
case SPI_NOR_BOOT:
if (IS_ENABLED(CONFIG_ENV_IS_IN_SPI_FLASH))
--
2.39.5