[PATCH v2 1/2] imx8mn_ddr4_evk: Add USB Mass Storage support
From: Fabio Estevam festevam@denx.de
Add USB Mass Storage support, which is a convenient way to flash the eMMC card, for example.
Signed-off-by: Fabio Estevam festevam@denx.de --- Changes since v1: - None
configs/imx8mn_ddr4_evk_defconfig | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/configs/imx8mn_ddr4_evk_defconfig b/configs/imx8mn_ddr4_evk_defconfig index 917cdb5aa9d9..065f7392b706 100644 --- a/configs/imx8mn_ddr4_evk_defconfig +++ b/configs/imx8mn_ddr4_evk_defconfig @@ -42,6 +42,8 @@ CONFIG_CMD_FUSE=y CONFIG_CMD_GPIO=y CONFIG_CMD_I2C=y CONFIG_CMD_MMC=y +CONFIG_CMD_USB=y +CONFIG_CMD_USB_MASS_STORAGE=y CONFIG_CMD_CACHE=y CONFIG_CMD_REGULATOR=y CONFIG_CMD_EXT4_WRITE=y @@ -82,4 +84,14 @@ CONFIG_SPL_SYSRESET=y CONFIG_SYSRESET_PSCI=y CONFIG_SYSRESET_WATCHDOG=y CONFIG_DM_THERMAL=y +CONFIG_USB=y +# CONFIG_SPL_DM_USB is not set +CONFIG_USB_EHCI_HCD=y +CONFIG_MXC_USB_OTG_HACTIVE=y +CONFIG_USB_GADGET=y +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_IMX_WATCHDOG=y
From: Fabio Estevam festevam@denx.de
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 --- Changes since v1: - Handle the env selection for the USB_BOOT case (Michael).
arch/arm/mach-imx/imx8m/soc.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c index 7059d87e336b..34f8475bca46 100644 --- a/arch/arm/mach-imx/imx8m/soc.c +++ b/arch/arm/mach-imx/imx8m/soc.c @@ -1536,6 +1536,14 @@ 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; + return ENVL_NOWHERE; case QSPI_BOOT: case SPI_NOR_BOOT: if (IS_ENABLED(CONFIG_ENV_IS_IN_SPI_FLASH))
On 4/21/22 19:24, Fabio Estevam wrote:
From: Fabio Estevam festevam@denx.de
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
Changes since v1:
Handle the env selection for the USB_BOOT case (Michael).
arch/arm/mach-imx/imx8m/soc.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c index 7059d87e336b..34f8475bca46 100644 --- a/arch/arm/mach-imx/imx8m/soc.c +++ b/arch/arm/mach-imx/imx8m/soc.c @@ -1536,6 +1536,14 @@ 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;return ENVL_NOWHERE;
Shouldn't this last entry also be
if (IS_ENABLED(CONFIG_ENV_IS_NOWHERE)) return ENVL_NOWHERE;
?
participants (2)
-
Fabio Estevam -
Marek Vasut