On Thu, Jul 1, 2021 at 4:15 PM Fabio Estevam festevam@gmail.com wrote:
Hi Tim and Schrempf,
On Fri, Apr 10, 2020 at 3:37 PM Tim Harvey tharvey@gateworks.com wrote:
Frieder,
My issue was that I forgot to set ATF_LOAD_ADDR=0x920000!
So I'm running now, booting imx8mm-evk via SDP using your USB patches and imx_usb configuration.
Sorry for resurrecting such an old thread.
I am trying to accomplish the same here: boot imx8mm-evk via SDP.
I tried building Schremp's U-Boot from https://git.kontron-electronics.de/linux/u-boot/-/commits/v2020.01-ktn with the additional changes:
--- a/configs/imx8mm_evk_defconfig +++ b/configs/imx8mm_evk_defconfig @@ -85,3 +85,14 @@ CONFIG_MXC_UART=y CONFIG_SYSRESET=y CONFIG_SYSRESET_PSCI=y CONFIG_DM_THERMAL=y +CONFIG_SPL_USB_HOST_SUPPORT=y +CONFIG_SPL_USB_GADGET=y +CONFIG_SPL_USB_SDP_SUPPORT=y +CONFIG_SPL_WATCHDOG_SUPPORT=y +CONFIG_USB=y +CONFIG_USB_EHCI_HCD=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 diff --git a/include/configs/imx8mm_evk.h b/include/configs/imx8mm_evk.h index 991fe0056c4a..d41704d60754 100644 --- a/include/configs/imx8mm_evk.h +++ b/include/configs/imx8mm_evk.h @@ -35,6 +35,11 @@
#endif
+#define CONFIG_EHCI_HCD_INIT_AFTER_RESET +#define CONFIG_MXC_USB_PORTSC (PORT_PTS_UTMI | PORT_PTS_PTW) +#define CONFIG_MXC_USB_FLAGS 0 +#define CONFIG_USB_MAX_CONTROLLER_COUNT 2
/* Initial environment variables */ #define CONFIG_EXTRA_ENV_SETTINGS \ "script=boot.scr\0" \
but I get the following error:
U-Boot SPL 2020.01-01059-geb5a1eb17cea-dirty (Jul 01 2021 - 19:45:58 -0300) Normal Boot WDT: Not found! SPL: Unsupported Boot Device! SPL: failed to boot from all boot devices ### ERROR ### Please RESET the board ###
Tim,
Do you still have the imx8mm-evk patches and mx8mm_usb_sdp_spl.conf that you used?
This version of U-Boot does not generate u-boot.itb by default, so I passed the following line in mx8mm_usb_sdp_spl.conf:
.../u-boot/flash.bin:dcd,clear_dcd,plug,jump header
Any help is appreciated.
I plan to upstream this support once I get it resolved.
Fabio,
I no longer have the patches/config around and am not sure I even have a working imx8mm-evk anymore.
Do you have the patches I submitted to enable USB OTG in general on IMX8MM? usb: ehci-mx6: add IMX8MM and IMX8MN OTG support usb: ehci-mx6: move mode set/detect to probe
I would like to get those patches accepted and I think there was some concern that 'usb: ehci-mx6: move mode set/detect to probe' may break gadget support.
I haven't needed to use SDP in some time (we have JTAG programming support for eMMC now). Let me see if I can get SDP working on imx8mm-venice.
Best regards,
Tim