[U-Boot-Board-Maintainers] Fwd: Raspberry pi 4 - u-boot - genet / scb

Sascha Dewald sascha.dewald at gmail.com
Tue Nov 19 18:02:05 UTC 2019


Hello Heinrich,

currently u-boot does not recognize the network interface for the raspberry
pi 4.
So i cannot get a ip-address, and so on...

Currently only the raspberry pi 4 native bootloader can boot from tftp.


Regards,
Sascha

Am Di., 19. Nov. 2019 um 12:23 Uhr schrieb Heinrich Schuchardt <
xypron.glpk at gmx.de>:

>
>
> On 11/19/19 11:05 AM, Sascha Dewald wrote:
> > Hi Matthias,
> >
> > yes, i network boot with the beta firmware, since a while.
> >
> > Short Steps:
> > * take latest bootloader from ( github.com/raspberrypi/firmware/boot/
> > <http://github.com/raspberrypi/firmware/boot/> )
> >
> > * patched the beta pieeprom & vl805 with the recovery.bin and
> > bootconf.txt - ( github.com/raspberrypi/rpi-eeprom/boot/
> > <http://github.com/raspberrypi/rpi-eeprom/boot/> )
> >
> > * in  bootconf.txt inside pieeprom i used BOOT_ORDER=0x12 - so that
> > network boot was at first. (
> >
> https://github.com/raspberrypi/rpi-eeprom/blob/master/firmware/raspberry_pi4_network_boot_beta.md
> > )
> >
> >
> > Yesterday i figured out, that it was possible to embed the initramfs
> > into the kernel. Today i will try this, because my distribution has NFS
> > as module for the root filesystem.
> > Would be nice if the rpi4 would accept the ramfsfile from the config.txt
> > to load the initrd from tftp .. ;-)
>
> How about using iSCSI instead of NFS. You should be able to boot via
> U-Boot, iPXE, GRUB. See doc/uefi/iscsi.rst or
> https://www.xypron.de/u-boot/uefi/iscsi.html .
>
> Then update-grub will take care of keeping your kernel and initramfs in
> sync.
>
> Best regards
>
> Heinrich
>
> >
> > i tried to add some more nic-id's inside broadcom.c, but with no
> > success:  (
> > https://github.com/sd-hd/u-boot/blob/rpi4/drivers/net/phy/broadcom.c )
> >
> > The 64bit armstub with network enabled inside the assembler, seems to
> > have no affect inside config.txt. (
> > https://github.com/raspberrypi/tools/blob/master/armstubs/armstub8.S )
> >
> > My experimental u-boot devicetree prints this below, but i don't know
> > how to enable the devices under the "scb - simple bus"...
> >
> > Maybe i can help testing for you ?
> >
> > U-Boot> dm tree
> >  Class     Index  Probed  Driver                Name
> > -----------------------------------------------------------
> >  root          0  [ + ]   root_driver           root_driver
> >  simple_bus    0  [ + ]   generic_simple_bus    |-- soc
> >  pinctrl       0  [ + ]   bcm283x_pinctrl       |   |-- gpio at 7e200000
> >  pinconfig     0  [   ]   pinconfig             |   |   |-- dpi_gpio0
> >  pinconfig     1  [   ]   pinconfig             |   |   |-- emmc_gpio22
> >  pinconfig     2  [   ]   pinconfig             |   |   |-- emmc_gpio34
> >  pinconfig     3  [   ]   pinconfig             |   |   |-- emmc_gpio48
> >  pinconfig     4  [   ]   pinconfig             |   |   |-- gpclk0_gpio4
> >  pinconfig     5  [   ]   pinconfig             |   |   |-- gpclk1_gpio5
> >  pinconfig     6  [   ]   pinconfig             |   |   |-- gpclk1_gpio42
> >  pinconfig     7  [   ]   pinconfig             |   |   |-- gpclk1_gpio44
> >  pinconfig     8  [   ]   pinconfig             |   |   |-- gpclk2_gpio6
> >  pinconfig     9  [   ]   pinconfig             |   |   |-- gpclk2_gpio43
> >  pinconfig    10  [   ]   pinconfig             |   |   |-- i2c0_gpio0
> >  pinconfig    11  [   ]   pinconfig             |   |   |-- i2c0_gpio28
> >  pinconfig    12  [   ]   pinconfig             |   |   |-- i2c0_gpio44
> >  pinconfig    13  [   ]   pinconfig             |   |   |-- i2c1_gpio2
> >  pinconfig    14  [   ]   pinconfig             |   |   |-- i2c1_gpio44
> >  pinconfig    15  [   ]   pinconfig             |   |   |-- jtag_gpio22
> >  pinconfig    16  [   ]   pinconfig             |   |   |-- pcm_gpio18
> >  pinconfig    17  [   ]   pinconfig             |   |   |-- pcm_gpio28
> >  pinconfig    18  [   ]   pinconfig             |   |   |-- pwm0_gpio12
> >  pinconfig    19  [   ]   pinconfig             |   |   |-- pwm0_gpio18
> >  pinconfig    20  [   ]   pinconfig             |   |   |-- pwm0_gpio40
> >  pinconfig    21  [   ]   pinconfig             |   |   |-- pwm1_gpio13
> >  pinconfig    22  [   ]   pinconfig             |   |   |-- pwm1_gpio19
> >  pinconfig    23  [   ]   pinconfig             |   |   |-- pwm1_gpio41
> >  pinconfig    24  [   ]   pinconfig             |   |   |-- pwm1_gpio45
> >  pinconfig    25  [   ]   pinconfig             |   |   |-- sdhost_gpio48
> >  pinconfig    26  [   ]   pinconfig             |   |   |-- spi0_gpio7
> >  pinconfig    27  [   ]   pinconfig             |   |   |-- spi0_gpio35
> >  pinconfig    28  [   ]   pinconfig             |   |   |-- spi1_gpio16
> >  pinconfig    29  [   ]   pinconfig             |   |   |-- spi2_gpio40
> >  pinconfig    30  [   ]   pinconfig             |   |   |-- uart0_gpio14
> >  pinconfig    31  [   ]   pinconfig             |   |   |--
> > uart0_ctsrts_gpio16
> >  pinconfig    32  [   ]   pinconfig             |   |   |--
> > uart0_ctsrts_gpio30
> >  pinconfig    33  [   ]   pinconfig             |   |   |-- uart0_gpio32
> >  pinconfig    34  [   ]   pinconfig             |   |   |-- uart0_gpio36
> >  pinconfig    35  [   ]   pinconfig             |   |   |--
> > uart0_ctsrts_gpio38
> >  pinconfig    36  [   ]   pinconfig             |   |   |-- uart1_gpio14
> >  pinconfig    37  [   ]   pinconfig             |   |   |--
> > uart1_ctsrts_gpio16
> >  pinconfig    38  [   ]   pinconfig             |   |   |-- uart1_gpio32
> >  pinconfig    39  [   ]   pinconfig             |   |   |--
> > uart1_ctsrts_gpio30
> >  pinconfig    40  [   ]   pinconfig             |   |   |-- uart1_gpio40
> >  pinconfig    41  [   ]   pinconfig             |   |   |--
> > uart1_ctsrts_gpio42
> >  pinconfig    42  [   ]   pinconfig             |   |   |-- gpclk0_gpio49
> >  pinconfig    43  [   ]   pinconfig             |   |   |-- gpclk1_gpio50
> >  pinconfig    44  [   ]   pinconfig             |   |   |-- gpclk2_gpio51
> >  pinconfig    45  [   ]   pinconfig             |   |   |-- i2c0_gpio46
> >  pinconfig    46  [   ]   pinconfig             |   |   |-- i2c1_gpio46
> >  pinconfig    47  [   ]   pinconfig             |   |   |-- i2c3_gpio2
> >  pinconfig    48  [   ]   pinconfig             |   |   |-- i2c3_gpio4
> >  pinconfig    49  [   ]   pinconfig             |   |   |-- i2c4_gpio6
> >  pinconfig    50  [   ]   pinconfig             |   |   |-- i2c4_gpio8
> >  pinconfig    51  [   ]   pinconfig             |   |   |-- i2c5_gpio10
> >  pinconfig    52  [   ]   pinconfig             |   |   |-- i2c5_gpio12
> >  pinconfig    53  [   ]   pinconfig             |   |   |-- i2c6_gpio0
> >  pinconfig    54  [   ]   pinconfig             |   |   |-- i2c6_gpio22
> >  pinconfig    55  [   ]   pinconfig             |   |   |--
> i2c_slave_gpio8
> >  pinconfig    56  [   ]   pinconfig             |   |   |-- jtag_gpio48
> >  pinconfig    57  [   ]   pinconfig             |   |   |-- mii_gpio28
> >  pinconfig    58  [   ]   pinconfig             |   |   |-- mii_gpio36
> >  pinconfig    59  [   ]   pinconfig             |   |   |-- pcm_gpio50
> >  pinconfig    60  [   ]   pinconfig             |   |   |-- pwm0_gpio52
> >  pinconfig    61  [   ]   pinconfig             |   |   |-- pwm1_gpio53
> >  pinconfig    62  [   ]   pinconfig             |   |   |-- rgmii_gpio35
> >  pinconfig    63  [   ]   pinconfig             |   |   |--
> rgmii_irq_gpio34
> >  pinconfig    64  [   ]   pinconfig             |   |   |--
> rgmii_irq_gpio39
> >  pinconfig    65  [   ]   pinconfig             |   |   |--
> > rgmii_mdio_gpio28
> >  pinconfig    66  [   ]   pinconfig             |   |   |--
> > rgmii_mdio_gpio37
> >  pinconfig    67  [   ]   pinconfig             |   |   |-- spi0_gpio46
> >  pinconfig    68  [   ]   pinconfig             |   |   |-- spi2_gpio46
> >  pinconfig    69  [   ]   pinconfig             |   |   |-- spi3_gpio0
> >  pinconfig    70  [   ]   pinconfig             |   |   |-- spi4_gpio4
> >  pinconfig    71  [   ]   pinconfig             |   |   |-- spi5_gpio12
> >  pinconfig    72  [   ]   pinconfig             |   |   |-- spi6_gpio18
> >  pinconfig    73  [   ]   pinconfig             |   |   |-- uart2_gpio0
> >  pinconfig    74  [   ]   pinconfig             |   |   |--
> > uart2_ctsrts_gpio2
> >  pinconfig    75  [   ]   pinconfig             |   |   |-- uart3_gpio4
> >  pinconfig    76  [   ]   pinconfig             |   |   |--
> > uart3_ctsrts_gpio6
> >  pinconfig    77  [   ]   pinconfig             |   |   |-- uart4_gpio8
> >  pinconfig    78  [   ]   pinconfig             |   |   |--
> > uart4_ctsrts_gpio10
> >  pinconfig    79  [   ]   pinconfig             |   |   |-- uart5_gpio12
> >  pinconfig    80  [   ]   pinconfig             |   |   |--
> > uart5_ctsrts_gpio14
> >  pinconfig    81  [   ]   pinconfig             |   |   |--
> dpi_18bit_gpio0
> >  pinconfig    82  [   ]   pinconfig             |   |   |-- gpioout
> >  pinconfig    83  [   ]   pinconfig             |   |   |-- alt0
> >  pinconfig    84  [   ]   pinconfig             |   |   |-- spi0_pins
> >  pinconfig    85  [   ]   pinconfig             |   |   |-- spi0_cs_pins
> >  pinconfig    86  [   ]   pinconfig             |   |   |-- spi3_pins
> >  pinconfig    87  [   ]   pinconfig             |   |   |-- spi3_cs_pins
> >  pinconfig    88  [   ]   pinconfig             |   |   |-- spi4_pins
> >  pinconfig    89  [   ]   pinconfig             |   |   |-- spi4_cs_pins
> >  pinconfig    90  [   ]   pinconfig             |   |   |-- spi5_pins
> >  pinconfig    91  [   ]   pinconfig             |   |   |-- spi5_cs_pins
> >  pinconfig    92  [   ]   pinconfig             |   |   |-- spi6_pins
> >  pinconfig    93  [   ]   pinconfig             |   |   |-- spi6_cs_pins
> >  pinconfig    94  [   ]   pinconfig             |   |   |-- i2c0
> >  pinconfig    95  [   ]   pinconfig             |   |   |-- i2c1
> >  pinconfig    96  [   ]   pinconfig             |   |   |-- i2c3
> >  pinconfig    97  [   ]   pinconfig             |   |   |-- i2c4
> >  pinconfig    98  [   ]   pinconfig             |   |   |-- i2c5
> >  pinconfig    99  [   ]   pinconfig             |   |   |-- i2c6
> >  pinconfig   100  [   ]   pinconfig             |   |   |-- i2s
> >  pinconfig   101  [ + ]   pinconfig             |   |   |-- sdio_pins
> >  pinconfig   102  [   ]   pinconfig             |   |   |-- bt_pins
> >  pinconfig   103  [   ]   pinconfig             |   |   |-- uart0_pins
> >  pinconfig   104  [ + ]   pinconfig             |   |   |-- uart1_pins
> >  pinconfig   105  [   ]   pinconfig             |   |   |-- uart2_pins
> >  pinconfig   106  [   ]   pinconfig             |   |   |-- uart3_pins
> >  pinconfig   107  [   ]   pinconfig             |   |   |-- uart4_pins
> >  pinconfig   108  [   ]   pinconfig             |   |   |-- uart5_pins
> >  pinconfig   109  [   ]   pinconfig             |   |   |-- audio_pins
> >  gpio          0  [   ]   gpio_bcm2835          |   |   `-- gpio_bcm2835
> >  serial        0  [   ]   bcm283x_pl011         |   |-- serial at 7e201000
> >  serial        1  [ + ]   serial_bcm283x_mu     |   |-- serial at 7e215040
> >  mmc           0  [ + ]   sdhci-bcm2835         |   |-- emmc2 at 7e340000
> >  blk           0  [ + ]   mmc_blk               |   |   `--
> > emmc2 at 7e340000.blk
> >  mmc           1  [ + ]   sdhci-bcm2835         |   |-- mmcnr at 7e300000
> >  blk           1  [   ]   mmc_blk               |   |   `--
> > mmcnr at 7e300000.blk
> >  video         0  [ + ]   bcm2835_video         |   `-- fb
> >  vidconsole    0  [ + ]   vidconsole0           |       `--
> fb.vidconsole0
> >  simple_bus    1  [   ]   generic_simple_bus    |-- clocks
> >  clk           0  [   ]   fixed_rate_clock      |   |-- clock at 3
> >  clk           1  [   ]   fixed_rate_clock      |   `-- clock at 4
> >  simple_bus    2  [   ]   generic_simple_bus    |-- v3dbus
> >  simple_bus    3  [   ]   generic_simple_bus    |-- scb
> >  clk           2  [   ]   fixed_rate_clock      |-- clock at 3
> >  clk           3  [   ]   fixed_rate_clock      `-- clock at 4
> > U-Boot>
> > PM_RSTS: 0x00001000
> > RPi: BOOTLOADER release VERSION:b6a7593d Nov 18 2019 11:06:57 BOOTMODE:
> > 0x00000006 part: 0 BUILD_TIMESTAMP=1574075215 0xe56706c5 0x00c03111
> >
> >
> > Regards,
> > Sascha
> >
> >
> >
> > Am Mo., 18. Nov. 2019 um 18:14 Uhr schrieb Matthias Brugger
> > <mbrugger at suse.com <mailto:mbrugger at suse.com>>:
> >
> >     HI Sascha,
> >
> >     On 18/11/2019 10:24, Sascha Dewald wrote:
> >     > Hi Matthias,
> >     >
> >     > sorry for mention you directly.
> >     >
> >     > I successfully boot the raspberry pi 4 over network, but have
> >     problems to
> >     > load the initrd.img over tftp.
> >     >
> >
> >     You do that through the PXE boot from the FW, right?
> >
> >     > Do you know where i can get help, to enable scb & genet, so that
> >     u-boot
> >     > detect the network interface ?
> >     >
> >
> >     I know that there is someone working on the driver and we should
> >     expect a first
> >     working version before end of the year. I was just checking on that
> >     today :)
> >
> >     Regards,
> >     Matthias
> >
> >
> > _______________________________________________
> > U-Boot-Board-Maintainers mailing list
> > U-Boot-Board-Maintainers at lists.denx.de
> > https://lists.denx.de/listinfo/u-boot-board-maintainers
> >
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.denx.de/pipermail/u-boot-board-maintainers/attachments/20191119/9b7e6a6f/attachment-0001.html>


More information about the U-Boot-Board-Maintainers mailing list