From mboxrd@z Thu Jan 1 00:00:00 1970 From: Schrempf Frieder Date: Wed, 8 Apr 2020 07:35:30 +0000 Subject: iMX8MM USB support? In-Reply-To: References: <42254730-c8fb-8b1e-0b6e-dd5dd9da57a4@kontron.de> Message-ID: <99d1790f-101a-a09e-503a-4f90775f9d3e@kontron.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Tim, On 07.04.20 19:06, Tim Harvey wrote: > On Mon, Apr 6, 2020 at 2:43 AM Schrempf Frieder > wrote: >> >> Hi Tim, >> >> On 01.04.20 19:55, Tim Harvey wrote: >>> Peng, >>> >>> It looks like IMX8MM USB support hasn't made it upstream yet. Is this >>> something your working on? >>> >>> I'm interested in booting an IMX8MM via SDP. >> >> If I remember correctly, the main issue is that the ci_udc driver is >> missing DM support. See here: [1]. >> >> I have pulled some patches/hacks into our tree to make SDP work, at >> least without DM [2]. >> >> If someone could come up with a proper solution for upstream that would >> be great and I would be happy to review/test. >> >> [1] https://eur04.safelinks.protection.outlook.com/?url=http%3A%2F%2Fu-boot.10912.n7.nabble.com%2FDM-for-ci-udc-td368249.html%23a370228&data=02%7C01%7Cfrieder.schrempf%40kontron.de%7Cb62b33f13a5546ece4d508d7db16044c%7C8c9d3c973fd941c8a2b1646f3942daf1%7C0%7C0%7C637218759927463384&sdata=cSQl5z%2FRjvX4IKPWs71wOUhcc3ivvrq%2BObr7EeFbwCU%3D&reserved=0 >> [2] https://eur04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgit.kontron-electronics.de%2Flinux%2Fu-boot%2F-%2Fcommits%2Fv2020.01-ktn&data=02%7C01%7Cfrieder.schrempf%40kontron.de%7Cb62b33f13a5546ece4d508d7db16044c%7C8c9d3c973fd941c8a2b1646f3942daf1%7C0%7C0%7C637218759927463384&sdata=pgoX%2Bh0E%2FiY49ebT16RD3y8hKuzO0NtmdKvrXHjBnuA%3D&reserved=0 >> > > Frieder, > > Thanks - this was very helpful! After applying the patches adding > IMX8MM USB I can boot the EVK SPL via SDP and get it to transition > over to providing a gadget at 0525:c4a4 but when I try to load > u-boot.img to that it fails with a header not found error: > > sudo ../imx_usb_loader/imx_usb u-boot.imx; sleep 2; sudo > ../imx_usb_loader/imx_usb u-boot.img > config file <../imx_usb_loader//imx_usb.conf> > ... > vid=0x1fc9 pid=0x0134 file_name=mx8mm_usb_work.conf > ... > config file <../imx_usb_loader//mx8mm_usb_work.conf> > parse ../imx_usb_loader//mx8mm_usb_work.conf > Trying to open device vid=0x1fc9 pid=0x0134 > Interface 0 claimed > HAB security state: development mode (0x56787856) > == work item > filename u-boot.imx > load_size 0 bytes > load_addr 0x00000000 > dcd 1 > clear_dcd 0 > plug 1 > jump_mode 3 > jump_addr 0x00000000 > == end work item > No DCD table > > loading binary file(u-boot.imx) to 007e0fc0, skip=0, fsize=37600 type=aa > > <<<226816, 226816 bytes>>> > succeeded (security 0x56787856, status 0x88888888) > jumping to 0x007e0fc0 > config file <../imx_usb_loader//imx_usb.conf> > ... > config file <../imx_usb_loader//mx8mm_usb_sdp_spl.conf> > parse ../imx_usb_loader//mx8mm_usb_sdp_spl.conf > Trying to open device vid=0x0525 pid=0xc4a4 > Interface 0 claimed > HAB security state: development mode (0x56787856) > == work item > filename u-boot.img > load_size 0 bytes > load_addr 0x00000000 > dcd 1 > clear_dcd 0 > plug 1 > jump_mode 3 > jump_addr 0x00000000 > == end work item > header not found 8400:91000694, 4000 > do_download failed, err=-22 > HAB security state: development mode (0x56787856) > > Note I had to add a line to imx_usb.conf to map 0525:c4a4 to > mx8mm_usb_sdp_spl.conf: > diff --git a/imx_usb.conf b/imx_usb.conf > index c7c00f6..4d89230 100644 > --- a/imx_usb.conf > +++ b/imx_usb.conf > @@ -17,6 +17,7 @@ > 0x066f:0x37ff, linux_gadget.conf > 0x1b67:0x4fff, mx6_usb_sdp_spl.conf > 0x0525:0xb4a4, mx6_usb_sdp_spl.conf > +0x0525:0xc4a4, mx8mm_usb_sdp_spl.conf > 0x1fc9:0x012b, mx8mq_usb_work.conf > 0x1fc9:0x0134, mx8mm_usb_work.conf > 0x1fc9:0x013e, mx8mn_usb_work.conf > > Do you know what's missing from u-boot.img? In my case I'm loading a FIT image, so things are a bit different. Where are you loading the image to? I have the following line in mx8mm_usb_sdp_spl.conf to load my FIT image to DDR and jump to it: /path/to/image/u-boot.itb:load 0x40200000, jump_direct 0x40200000 Best Regards, Frieder