[U-Boot] [U-boot] Odroidxu3/4 -s2mps11 bind pmic failed
Jaehoon Chung
jh80.chung at samsung.com
Mon Jan 8 06:26:05 UTC 2018
On 01/08/2018 12:34 AM, Anand Moon wrote:
> Hi Lukasz,
>
> On 3 January 2018 at 14:08, Lukasz Majewski <lukma at denx.de> wrote:
>> 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.
>>
> [snip]
>
> I dont have s2mps11 datasheet with me.
> but I tried to write simple .probe function with debug message
> but print message did not invoke during the booting of the device.
>
> neither did the debug print appeared during the pmci dump command.
>
> ODROID-XU3 #
> ODROID-XU3 # pmic list
> | 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
>
> ----
> How can we invoke and verify the s2mps11 init function during board
> initialization ?
When i have checked the above values, those are the reset value at each registers.
but some registers are different with reset values.
do you want to change the pmic register value at init time?
Best Regards,
Jaehoon Chung
>
> Best Regards
> -Anand
>
>
>
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