Hi Sjoerd, > On Wed, 2019-06-05 at 11:40 +0200, Lukasz Majewski wrote: > > Hi Fabio, Sjoerd > > > > > On Tue, Jun 4, 2019 at 5:41 PM Sjoerd Simons > > > <sjoerd.sim...@collabora.co.uk> wrote: > > > > > > > Small steps right; Ooi what imx_usb_loader > > > > configuration/commands are you using to test this? (I find its > > > > config rather tricky to grasp). > > > > > > I simply run: > > > > > > sudo ./imx_usb SPL > > > > > > and then > > > > > > sudo ./imx_usb u-boot-dtb.img > > > > > > I suggest you to try U-Boot 2019.01 on a mx6sabreauto first. > > > > > > > Tested-by: Lukasz Majewski <lu...@denx.de> > > > > Test HW: i.MX6Q Display5 factory setup. > > > > > > > > However, one thing puzzles me - the VID / PID used.When I run uuu > > (mfgtools: SHA1: 13d187304f4faa473d2141409419c5b6f052addb): > > > > I see that "Build in config" has following VID/PID: > > SDPU: SPL 0x0525 0xb4a4 [0x0000..0x04ff] > > [1] SDPV: SPL1 0x0525 0xb4a4 [0x0500..0x9998] > > SDPU: SPL 0x0525 0xb4a4 [0x9999..0x9999] > > > > But to make the SDPU command working I had to adjust it to be > > similar to sabreauto (CONFIG_USB_GADGET_VENDOR_NUM=0x0525 > > CONFIG_USB_GADGET_PRODUCT_NUM=0xa4a5). Those match to "FB" > > (fastboot?). > > > > Is this a bug or just the "Build in config" information is outdated? > > With VID/PID set as for [1] (and as we use SDPU command, not FB), > > the uuu doesn't connect to loaded SPL. > > So u-boot for the spl does (arch/arm/mach-imx/spl.c): > ``` > int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char > *name) { > put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM + 0xfff, > &dev->idProduct); ``
Ach... Right. Thanks for pointing this out. > > Iotw with CONFIG_USB_GADGET_PRODUCT_NUM=0xa4a5 in the config when in > the SPL the product will be 0xb4a4, which uuu recognizes. > > Once in the main u-boot image in principle you shoudl be able to use > `FB:`, however it doesn't seem `FB: ucmd` is supported for mainline u- > boot so... > Best regards, Lukasz Majewski -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lu...@denx.de
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