[U-Boot] [U-boot] Odroidxu3/4 -s2mps11 bind pmic failed
Lukasz Majewski
lukma at denx.de
Wed Jan 3 08:38:46 UTC 2018
Hi Anand,
> Hi Lukasz
>
> On 3 January 2018 at 03:47, Lukasz Majewski <lukma at denx.de> wrote:
> > On Wed, 3 Jan 2018 01:54:57 +0530
> > Anand Moon <linux.amoon at gmail.com> wrote:
> >
> >> Hi All,
> >>
> >> I would like to get the s2mps11 regulator binding for u-boot to
> >> work on Odroid XU3/XU4
> >> as in case of Odroid U3 we have max77686_bind function which dose
> >> the job.
> >>
> >> what will be the correct way to reset s2mps11 control register to
> >> the default values
> >> in-order to support reset of some regulators.
> >>
> >> Below is the command I tried to gather some information but it
> >> failed.
> >>
> >> Best Regards
> >> -Anand Moon
> >> -----------------------------------------------------------------------------------------------------------------------------------------
> >> U-Boot 2018.01-rc3-00060-g1314bd1 (Jan 02 2018 - 17:56:26 +0000)
> >> for ODROID-XU3/XU4/HC1
> >>
> >> CPU: Exynos5422 @ 800 MHz
> >> Model: Odroid XU3 based on EXYNOS5422
> >> Board: Odroid XU3 based on EXYNOS5422
> >> Type: xu4
> >> DRAM: 2 GiB
> >> MMC: EXYNOS DWMMC: 0, EXYNOS DWMMC: 1
> >> *** Warning - bad CRC, using default environment
> >>
> >> In: serial
> >> Out: serial
> >> Err: serial
> >> Net: No ethernet found.
> >> Hit any key to stop autoboot: 0
> >> Card did not respond to voltage select!
> >> mmc_init: -95, time 11
> >> switch to partitions #0, OK
> >> mmc0 is current device
> >> Scanning mmc 0:1...
> >> reading /exynos5422-odroidxu4.dtb
> >> 62815 bytes read in 9 ms (6.7 MiB/s)
> >> starting USB...
> >> USB0: USB EHCI 1.00
> >> USB1: Register 2000140 NbrPorts 2
> >> Starting the controller
> >> USB XHCI 1.00
> >> USB2: Register 2000140 NbrPorts 2
> >> Starting the controller
> >> USB XHCI 1.00
> >> scanning bus 0 for devices... 1 USB Device(s) found
> >> scanning bus 1 for devices... 3 USB Device(s) found
> >> scanning bus 2 for devices... 2 USB Device(s) found
> >> scanning usb for storage devices... 0 Storage Device(s)
> >> found scanning usb for ethernet devices... 1 Ethernet Device(s)
> >> found Waiting for Ethernet connection... done.
> >> BOOTP broadcast 1
> >> BOOTP broadcast 2
> >> DHCP client bound to address 10.0.0.144 (1200 ms)
> >> *** Warning: no boot file name; using '0A000090.img'
> >> Using r8152#0 device
> >> TFTP from server 0.0.0.0; our IP address is 10.0.0.144; sending
> >> through gateway 10.0.0.1
> >> Filename '0A000090.img'.
> >> Load address: 0x43e00000
> >> Loading: *
> >> TFTP error: 'File not found' (1)
> >> Not retrying...
> >> missing environment variable: pxeuuid
> >> missing environment variable: bootfile
> >> Retrieving file: pxelinux.cfg/0A000090
> >> *** ERROR: `serverip' not set
> >> missing environment variable: bootfile
> >> Retrieving file: pxelinux.cfg/0A00009
> >> *** ERROR: `serverip' not set
> >> missing environment variable: bootfile
> >> Retrieving file: pxelinux.cfg/0A0000
> >> *** ERROR: `serverip' not set
> >> missing environment variable: bootfile
> >> Retrieving file: pxelinux.cfg/0A000
> >> *** ERROR: `serverip' not set
> >> missing environment variable: bootfile
> >> Retrieving file: pxelinux.cfg/0A00
> >> *** ERROR: `serverip' not set
> >> missing environment variable: bootfile
> >> Retrieving file: pxelinux.cfg/0A0
> >> *** ERROR: `serverip' not set
> >> missing environment variable: bootfile
> >> Retrieving file: pxelinux.cfg/0A
> >> *** ERROR: `serverip' not set
> >> missing environment variable: bootfile
> >> Retrieving file: pxelinux.cfg/0
> >> *** ERROR: `serverip' not set
> >> missing environment variable: bootfile
> >> Retrieving file: pxelinux.cfg/default-arm-exynos
> >> *** ERROR: `serverip' not set
> >> missing environment variable: bootfile
> >> Retrieving file: pxelinux.cfg/default-arm
> >> *** ERROR: `serverip' not set
> >> missing environment variable: bootfile
> >> Retrieving file: pxelinux.cfg/default
> >> *** ERROR: `serverip' not set
> >> Config file not found
> >> BOOTP broadcast 1
> >> DHCP client bound to address 10.0.0.144 (644 ms)
> >> Using r8152#0 device
> >> TFTP from server 0.0.0.0; our IP address is 10.0.0.144; sending
> >> through gateway 10.0.0.1
> >> Filename 'boot.scr.uimg'.
> >> Load address: 0x50000000
> >> Loading: *
> >> TFTP error: 'File not found' (1)
> >> Not retrying...
> >> BOOTP broadcast 1
> >> BOOTP broadcast 2
> >> DHCP client bound to address 10.0.0.144 (1257 ms)
> >> Using r8152#0 device
> >> TFTP from server 0.0.0.0; our IP address is 10.0.0.144; sending
> >> through gateway 10.0.0.1
> >> Filename 'boot.scr.uimg'.
> >> Load address: 0x42000000
> >> Loading: *
> >> TFTP error: 'File not found' (1)
> >> Not retrying...
> >> ODROID-XU3 #
> >> ODROID-XU3 #
> >> ODROID-XU3 # pmic s2mps11 dump
> >> pmic - operations
> >>
> >> Usage:
> >> pmic list - list pmic devices
> >> pmic dev [name] - show or [set] operating PMIC device
> >> pmic dump - dump registers
> >> pmic read address - read byte of register at address
> >> pmic write address - write byte to register at address
> >
> > First try to:
> >
> > pmic list
> > pmic dev s2mps11_pmic at 66
> >
> > pmic dump
> > pmic write 0xXX for your device
> >
> >
> [snip]
>
> Thanks for your input.
>
> ODROID-XU3 #
> | Name | Parent name | Parent
> uclass @ seq | s2mps11_pmic at 66 | i2c at 12CA0000
> | i2c @ 4 ODROID-XU3 # pmic dev s2mps11_pmic at 66
> dev: 0 @ s2mps11_pmic at 66
> ODROID-XU3 # pmic dump
> Dump pmic: s2mps11_pmic at 66 registers
>
> 0x00: 83 00 11 00 ff 3b 03 1a 00 00 04 01 10 00 00 57
> 0x10: 5f 55 ff ff ff ff ff 00 00 00 00 00 00 00 00 00
> 0x20: 00 50 12 ca dc d8 50 f8 40 f9 40 f8 40 fe 3f 60
> 0x30: 78 90 c0 d8 44 d8 30 d8 64 d9 50 d8 a8 c8 d4 14
> 0x40: d4 d4 c8 d4 d4 f2 d4 c8 d4 f2 2c f2 dc f2 14 f2
> 0x50: 14 14 10 cc e8 14 ec c8 f2 14 f2 14 14 14 2c 10
> 0x60: 14 14 28
>
> Actually, I am looking into setting some of the s2mps11 control
> register + reset clk values
> during board initialization.
You can try to set those values by writing some u-boot script or bring
the below (needed) code upstream, so those could be reused by others.
>
> Hardkernel Exynos5422 u-boot:
> [0]
> https://github.com/hardkernel/u-boot/blob/odroidxu3-v2012.07/board/samsung/smdk5422/pmic.c#L271-L329
>
> Cromebok2 u-boot:
> [1]
> https://github.com/archlinuxarm/u-boot-chromebook2/blob/chromebook2/board/samsung/common/board.c#L299-L314
>
> Some of the feature dont work out on warm boot because of this
> missing feature.
>
> Best Regards
> -Anand Moon
Best regards,
Lukasz Majewski
--
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