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Date: Tue, 1 Jun 2021 10:00:30 +0200
From: Patrice CHOTARD <patrice.chotard@...s.st.com>
To: Dillon Min <dillon.minfei@...il.com>
CC: <pierre-yves.mordret@...s.st.com>, <alain.volmat@...s.st.com>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Alexandre TORGUE <alexandre.torgue@...s.st.com>,
Sumit Semwal <sumit.semwal@...aro.org>,
<christian.koenig@....com>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>, <linux-i2c@...r.kernel.org>,
<linux-stm32@...md-mailman.stormreply.com>,
Linux ARM <linux-arm-kernel@...ts.infradead.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
linux-media <linux-media@...r.kernel.org>,
"open list:DRM PANEL DRIVERS" <dri-devel@...ts.freedesktop.org>,
<linaro-mm-sig@...ts.linaro.org>,
linux-clk <linux-clk@...r.kernel.org>
Subject: Re: [PATCH 0/4] Fix the i2c/clk bug of stm32 mcu platform
Hi Dillon
On 6/1/21 5:28 AM, Dillon Min wrote:
> Hi Patrice
>
> On Mon, May 31, 2021 at 10:58 PM Patrice CHOTARD
> <patrice.chotard@...s.st.com> wrote:
>>
>> Hi Dillon
>>
>> On 5/31/21 4:29 PM, Dillon Min wrote:
>>> Hi Patrice
>>>
>>> On Mon, May 31, 2021 at 9:51 PM Patrice CHOTARD
>>> <patrice.chotard@...s.st.com> wrote:
>>>>
>>>>
>>>>
>>>> On 5/31/21 3:38 PM, Dillon Min wrote:
>>>>> Hi Patrice
>>>>>
>>>>> Thanks for your time to test my patch.
>>>>>
>>>>> On Mon, May 31, 2021 at 9:20 PM Patrice CHOTARD
>>>>> <patrice.chotard@...s.st.com> wrote:
>>>>>>
>>>>>> Hi Dillon
>>>>>>
>>>>>>
>>>>>>
>>>>>> On 5/14/21 1:02 PM, dillon.minfei@...il.com wrote:
>>>>>>> From: Dillon Min <dillon.minfei@...il.com>
>>>>>>>
>>>>>>> This seriese fix three i2c/clk bug for stm32 f4/f7
>>>>>>> - kernel runing in sdram, i2c driver get data timeout
>>>>>>> - ltdc clk turn off after kernel console active
>>>>>>> - kernel hang in set ltdc clock rate
>>>>>>>
>>>>>>> clk bug found on stm32f429/f469-disco board
>>>>>>>
>>>>>>> Hi Patrice:
>>>>>>> below is the guide to verify the patch:
>>>>>>>
>>>>>>> setup test env with following files(link at below 'files link'):
>>>>>>> [1] u-boot-dtb.bin
>>>>>>> [2] rootfs zip file (used in kernel initramfs)
>>>>>>> [3] u-boot's mkimage to create itb file
>>>>>>> [4] kernel config file
>>>>>>> [5] my itb with-or-without i2c patch
>>>>>>>
>>>>>>> This patch based on kernel commit:
>>>>>>> 88b06399c9c766c283e070b022b5ceafa4f63f19
>>>>>>>
>>>>>>> Note:
>>>>>>> panel-ilitek-ili9341.c is the driver which was submitted last year, but not
>>>>>>> get accepted. it's used to setup touch screen calibration, then test i2c.
>>>>>>>
>>>>>>> create itb file(please correct path of 'data'):
>>>>>>> ./mkimage -f stm32.its stm32.itb
>>>>>>>
>>>>>>> HW setup:
>>>>>>> console:
>>>>>>> PA9, PA10
>>>>>>> usart0
>>>>>>> serial@...11000
>>>>>>> 115200 8n1
>>>>>>>
>>>>>>> -- flash u-boot.bin to stm32f429-disco on PC
>>>>>>> $ sudo openocd -f board/stm32f429discovery.cfg -c \
>>>>>>> '{PATH-TO-YOUR-UBOOT}/u-boot-dtb.bin 0x08000000 exit reset'
>>>>>>>
>>>>>>> -- setup kernel load bootargs at u-boot
>>>>>>> U-Boot > setenv bootargs 'console=tty0 console=ttySTM0,115200
>>>>>>> root=/dev/ram rdinit=/linuxrc loglevel=8 fbcon=rotate:2'
>>>>>>> U-Boot > loady;bootm
>>>>>>> (download stm32.dtb or your kernel with itb format, or download zImage, dtb)
>>>>>>>
>>>>>>
>>>>>>
>>>>>> Thanks for these informations
>>>>>> I was able to load and boot DTB and uImage directly in SDRAM as you suggested,
>>>>>> i saw Linux logo and kernel log on the STM32F429-disco display,
>>>>>> but i can't reach the login.
>>>>>>
>>>>>> The last kernel log i got is :
>>>>>>
>>>>>> Starting kernel ...
>>>>>>
>>>>>> [ 0.000000] Booting Linux on physical CPU 0x0
>>>>>> [ 0.000000] Linux version 5.13.0-rc1-00082-g9dbbd5cb6240-dirty (nxp11987@...cxl0573.lme1
>>>>>> [ 0.000000] CPU: ARMv7-M [410fc241] revision 1 (ARMv7M), cr=00000000
>>>>>> [ 0.000000] CPU: unknown data cache, unknown instruction cache
>>>>>> [ 0.000000] OF: fdt: Machine model: STMicroelectronics STM32F429i-DISCO board
>>>>>> [ 0.000000] Zone ranges:
>>>>>> [ 0.000000] Normal [mem 0x0000000090000000-0x00000000907fffff]
>>>>>> [ 0.000000] Movable zone start for each node
>>>>>> [ 0.000000] Early memory node ranges
>>>>>>
>>>>>> [...]
>>>>>>
>>>>>> [ 2.637564] printk: console [ttySTM0] enabled
>>>>>> [ 2.747984] panel-ilitek-ili9341 spi0.1: get optional vcc failed
>>>>>> [ 2.758986] spi_stm32 40015000.spi: driver initialized
>>>>>> [ 2.795733] i2c /dev entries driver
>>>>>> [ 2.849955] stmpe-i2c 0-0041: stmpe811 detected, chip id: 0x811
>>>>>> [ 2.922030] stmpe-ts stmpe-ts: DMA mask not set
>>>>>> [ 2.965729] input: stmpe-ts as /devices/platform/soc/40005c00.i2c/i2c-0/0-0041/stmpe-ts0
>>>>>> [ 2.991570] stm32f4-i2c 40005c00.i2c: STM32F4 I2C driver registered
>>>>>> [ 3.058262] [drm] Initialized stm 1.0.0 20170330 for 40016800.display-controller on min0
>>>>>> [ 3.665951] panel-ilitek-ili9341 spi0.1: initialized display rgb interface
>>>>>> [ 3.765208] Console: switching to colour frame buffer device 30x40
>>>>>> [ 4.014269] stm32-display 40016800.display-controller: [drm] fb0: stmdrmfb frame buffere
>>>>>> [ 4.212737] Freeing unused kernel memory: 324K
>>>>>> [ 4.287300] This architecture does not have kernel memory protection.
>>>>>> [ 4.401202] Run /linuxrc as init process
>>>>>> [ 4.478622] with arguments:
>>>>>> [ 4.555069] /linuxrc
>>>>>> [ 4.595406] with environment:
>>>>>> [ 4.672213] HOME=/
>>>>>> [ 4.712511] TERM=linux
>>>>>> [ 206.785289] random: crng init done
>>>>>
>>>>> I guess you didn't add the rootfs to uImage I sent you.
>>>>
>>>> I do use your rootfs
>>>>
>>>>> Could you post all the logs from u-boot startup to kernel log end.
>>>>
>>>>
>>>> U-Boot 2021.07-rc2 (May 28 2021 - 17:05:35 +0200)
>>>>
>>>> DRAM: 8 MiB
>>>> Flash: 2 MiB
>>>> Loading Environment from Flash... OK
>>>> In: serial@...11000
>>>> Out: serial@...11000
>>>> Err: serial@...11000
>>>> Hit any key to stop autoboot: 0
>>>> U-Boot > setenv bootargs 'console=tty0 console=ttySTM0,115200 root=/dev/ram rdinit=/lin'
>>>
>>> It seems bootargs are broken here.
>>> should be setenv bootargs 'console=tty0 console=ttySTM0,115200
>>> root=/dev/ram rdinit=/linuxrc loglevel=8 fbcon=rotate:2'
>>
>> It's just a copy/paste issue from my minicom window to my mailer,
>> but the bootargs is correct ;-)
>>
>> See a correct U-boot/kernel log in attached.
>
> Yes, your log is ok.
> I tried to follow your way(dtb + uImage) to figure out
> why your kernel was hanging there, but no luck.
>
> You can find my log from [1] .
> (since my uImage is bigger than yours, i change the
> loadaddr to 0x90300000, 0x90306000)
>
> but there are some points we can check:
> - kernel config, you can find my config in [2],
> could you share yours to me as well, i can based on
> your configs to test.
Please find my .config attached
> - uImage size (yours 1593664 bytes is quite smaller than mine, 2072864 bytes
> the difference based on kernel config and rootfs size)
> - cross tool chain (upload my toolchain to google drive [3])
> - could you add initcall_debug to your bootargs, to see more log
> at kernel startup
I also tried with your toolchain but still the same issue, see the log attached (with initcall_debug in bootargs).
Then i used an another rootfs (attached rootfs_mcu.cpio file) but unfortunately, during the
rootfs init, some memory allocation are done and failed due to low RAM available on this board.
The issue seems linked to the rootfs...but i got no clue on what is going wrong with your rootfs ?
Thanks
Patrice
>
> [1] kernel log based on dtb + uImage
> https://drive.google.com/file/d/1wnA5b3B_6MIb4PWZXn-3DlBbxpi41uSA/view?usp=sharing
>
> [2] kernel config
> https://drive.google.com/file/d/1oOJt3NRYor3-Uzjpzrujv3uvWguxYQQp/view?usp=sharing
>
> [3] arm-none-eabi- toolchain
> https://drive.google.com/file/d/1Aq0sF2Gi4y4qaDPnM2S0xCOowFSLZYJm/view?usp=sharing
>
> Best Regards
> Dillon
>
>>
>>
>>>
>>>> U-Boot >
>>>> U-Boot >
>>>> U-Boot > setenv loadaddr 0x90400000
>>>> U-Boot > loady
>>>> ## Ready for binary (ymodem) download to 0x90400000 at 115200 bps...
>>>> CxyzModem - CRC mode, 156(SOH)/0(STX)/0(CAN) packets, 7 retries
>>>> ## Total Size = 0x00004cad = 19629 Bytes
>>>> U-Boot > setenv loadaddr 0x90406000
>>>> U-Boot > loady
>>>> ## Ready for binary (ymodem) download to 0x90406000 at 115200 bps...
>>>> C- CRC mode, 12453(SOH)/0(STX)/0(CAN) packets, 4 retries
>>>> ## Total Size = 0x00185140 = 1593664 Bytes
>>>> U-Boot > bootm 0x90406000 - 0x90400000
>>>> ## Booting kernel from Legacy Image at 90406000 ...
>>>> Image Name: Linux-5.13.0-rc1-00082-g9dbbd5cb
>>>> Image Type: ARM Linux Kernel Image (uncompressed)
>>>> Data Size: 1593600 Bytes = 1.5 MiB
>>>> Load Address: 90008000
>>>> Entry Point: 90008000
>>>> Verifying Checksum ... OK
>>>> ## Flattened Device Tree blob at 90400000
>>>> Booting using the fdt blob at 0x90400000
>>>> Loading Kernel Image
>>>> Loading Device Tree to 905b9000, end 905c0cac ... OK
>>>>
>>>> Starting kernel ...
>>>>
>>>> [ 0.000000] Booting Linux on physical CPU 0x0
>>>> [ 0.000000] Linux version 5.13.0-rc1-00082-g9dbbd5cb6240-dirty (nxp11987@...cxl0573.lme1
>>>> [ 0.000000] CPU: ARMv7-M [410fc241] revision 1 (ARMv7M), cr=00000000
>>>> [ 0.000000] CPU: unknown data cache, unknown instruction cache
>>>> [ 0.000000] OF: fdt: Machine model: STMicroelectronics STM32F429i-DISCO board
>>>> [ 0.000000] Zone ranges:
>>>> [ 0.000000] Normal [mem 0x0000000090000000-0x00000000907fffff]
>>>> [ 0.000000] Movable zone start for each node
>>>> [ 0.000000] Early memory node ranges
>>>> [ 0.000000] node 0: [mem 0x0000000090000000-0x00000000907fffff]
>>>> [ 0.000000] Initmem setup node 0 [mem 0x0000000090000000-0x00000000907fffff]
>>>> [ 0.000000] On node 0 totalpages: 2048
>>>> [ 0.000000] Normal zone: 16 pages used for memmap
>>>> [ 0.000000] Normal zone: 0 pages reserved
>>>> [ 0.000000] Normal zone: 2048 pages, LIFO batch:0
>>>> [ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
>>>> [ 0.000000] pcpu-alloc: [0] 0
>>>> [ 0.000000] Built 1 zonelists, mobility grouping off. Total pages: 2032
>>>> [ 0.000000] Kernel command line: console=tty0 console=ttySTM0,115200 root=/dev/ram rdin2
>>>
>>> ditto
>>
>> same explanation as above, the command line displayed is truncated, but it is the one expected.
>>
>>
>>>
>>>> [ 0.000000] Dentry cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
>>>> [ 0.000000] Inode-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
>>>> [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
>>>> [ 0.000000] Memory: 5264K/8192K available (1372K kernel code, 302K rwdata, 516K rodata,)
>>>> [ 0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
>>>> [ 0.000000] rcu: Preemptible hierarchical RCU implementation.
>>>> [ 0.000000] rcu: RCU event tracing is enabled.
>>>> [ 0.000000] Trampoline variant of Tasks RCU enabled.
>>>> [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
>>>> [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
>>>> [ 0.000000] /soc/interrupt-controller@...13c00: bank0
>>>> [ 0.000000] random: get_random_bytes called from start_kernel+0x203/0x370 with crng_ini0
>>>> [ 0.000000] clocksource: arm_system_timer: mask: 0xffffff max_cycles: 0xffffff, max_idls
>>>> [ 0.000000] ARM System timer initialized as clocksource
>>>> [ 0.000026] sched_clock: 32 bits at 90MHz, resolution 11ns, wraps every 23860929530ns
>>>> [ 0.000665] timer@...00c00: STM32 sched_clock registered
>>>> [ 0.001275] Switching to timer-based delay loop, resolution 11ns
>>>> [ 0.001712] timer@...00c00: STM32 delay timer registered
>>>> [ 0.002253] clocksource: timer@...00c00: mask: 0xffffffff max_cycles: 0xffffffff, max_is
>>>> [ 0.003076] /soc/timer@...00c00: STM32 clockevent driver initialized (32 bits)
>>>> [ 0.014135] Console: colour dummy device 80x30
>>>> [ 0.062375] printk: console [tty0] enabled
>>>> [ 0.063843] Calibrating delay loop (skipped), value calculated using timer frequency.. )
>>>> [ 0.066453] pid_max: default: 4096 minimum: 301
>>>> [ 0.071393] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
>>>> [ 0.073734] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
>>>> [ 0.104759] rcu: Hierarchical SRCU implementation.
>>>> [ 0.111552] devtmpfs: initialized
>>>> [ 0.339332] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns:s
>>>> [ 0.341835] pinctrl core: initialized pinctrl subsystem
>>>> [ 0.658423] stm32f429-pinctrl soc:pin-controller: No package detected, use default one
>>>> [ 0.680505] stm32f429-pinctrl soc:pin-controller: GPIOA bank added
>>>> [ 0.689824] stm32f429-pinctrl soc:pin-controller: GPIOB bank added
>>>> [ 0.699409] stm32f429-pinctrl soc:pin-controller: GPIOC bank added
>>>> [ 0.708775] stm32f429-pinctrl soc:pin-controller: GPIOD bank added
>>>> [ 0.718094] stm32f429-pinctrl soc:pin-controller: GPIOE bank added
>>>> [ 0.727535] stm32f429-pinctrl soc:pin-controller: GPIOF bank added
>>>> [ 0.736953] stm32f429-pinctrl soc:pin-controller: GPIOG bank added
>>>> [ 0.746404] stm32f429-pinctrl soc:pin-controller: GPIOH bank added
>>>> [ 0.756098] stm32f429-pinctrl soc:pin-controller: GPIOI bank added
>>>> [ 0.765436] stm32f429-pinctrl soc:pin-controller: GPIOJ bank added
>>>> [ 0.774870] stm32f429-pinctrl soc:pin-controller: GPIOK bank added
>>>> [ 0.776730] stm32f429-pinctrl soc:pin-controller: Pinctrl STM32 initialized
>>>> [ 0.997446] stm32-dma 40026000.dma-controller: STM32 DMA driver registered
>>>> [ 1.029604] stm32-dma 40026400.dma-controller: STM32 DMA driver registered
>>>> [ 1.043098] clocksource: Switched to clocksource timer@...00c00
>>>> [ 1.358086] workingset: timestamp_bits=30 max_order=11 bucket_order=0
>>>> [ 1.632751] io scheduler mq-deadline registered
>>>> [ 1.634287] io scheduler kyber registered
>>>> [ 1.650574] STM32 USART driver initialized
>>>> [ 1.661272] 40011000.serial: ttySTM0 at MMIO 0x40011000 (irq = 34, base_baud = 5625000)t
>>>> [ 2.603317] random: fast init done
>>>> [ 2.637564] printk: console [ttySTM0] enabled
>>>> [ 2.747984] panel-ilitek-ili9341 spi0.1: get optional vcc failed
>>>> [ 2.758986] spi_stm32 40015000.spi: driver initialized
>>>> [ 2.795733] i2c /dev entries driver
>>>> [ 2.849955] stmpe-i2c 0-0041: stmpe811 detected, chip id: 0x811
>>>> [ 2.922030] stmpe-ts stmpe-ts: DMA mask not set
>>>> [ 2.965729] input: stmpe-ts as /devices/platform/soc/40005c00.i2c/i2c-0/0-0041/stmpe-ts0
>>>> [ 2.991570] stm32f4-i2c 40005c00.i2c: STM32F4 I2C driver registered
>>>> [ 3.058262] [drm] Initialized stm 1.0.0 20170330 for 40016800.display-controller on min0
>>>> [ 3.665951] panel-ilitek-ili9341 spi0.1: initialized display rgb interface
>>>> [ 3.765208] Console: switching to colour frame buffer device 30x40
>>>> [ 4.014269] stm32-display 40016800.display-controller: [drm] fb0: stmdrmfb frame buffere
>>>> [ 4.212737] Freeing unused kernel memory: 324K
>>>> [ 4.287300] This architecture does not have kernel memory protection.
>>>> [ 4.401202] Run /linuxrc as init process
>>>> [ 4.478622] with arguments:
>>>> [ 4.555069] /linuxrc
>>>> [ 4.595406] with environment:
>>>> [ 4.672213] HOME=/
>>>> [ 4.712511] TERM=linux
>>>> [ 206.785289] random: crng init done
>>>>
>>>>
>>>>>
>>>>> If possible, you can try my suggestion.
>>>>> - tar -jxf stm32_rootfs.tar.bz2
>>>>> - add stm32_rootfs to your kernel config( enable initramfs)
>>>>
>>>> As explained above, that's what i did
>>>>
>>>>> - make O=YOUR_KERNEL_OUT zImage dtbs LOADADDR=0x90008000
>>>>
>>>>
>>>>
>>>>> - create itb file (combine dtb and kernel, initramfs) by mkimage
>>>>> ./mkimage -f stm32.its stm32.itb
>>>>
>>>> I didn't use .itb file, but directly uImage loaded @0x90406000 and stm32f429-disco.dtb loaded @0x90400000
>>>
>>> It's fine with manual load dtb and uImage.
>>>
>>>>
>>>> How do you generate .its file ?
>>>
>>> I refer to u-boot doc , U-BOOT-SOURCE/doc/uImage.FIT/kernel.its
>>> you can just change the PATH('data = ' filed) of my stm32.its.
>>> you can correct bootargs in u-boot, try again
>>>
>>> good luck.
>>>
>>> Thanks
>>>
>>> Best Regards
>>> Dillon
>>>
>>>>
>>>>
>>>>> (before above command, make sure you correct stm32.its adapt to your env)
>>>>>
>>>>> This process will make u-boot to load the kernel more simple.
>>>>>
>>>>> Thanks.
>>>>>
>>>>> Best Regards.
>>>>> Dillon
>>>>>
>>>>>
>>>>>>
>>>>>>
>>>>>> I can't test your I2C patch.
>>>>>>
>>>>>> Patrice
>>>>>>
>>>>>>
>>>>>>> -- setup ts_calibrate running env on stm32f429-disco
>>>>>>> / # export TSLIB_CONFFILE=/etc/ts.conf
>>>>>>> / # export TSLIB_TSDEVICE=/dev/input/event0
>>>>>>> / # export TSLIB_CONSOLEDEVICE=none
>>>>>>> / # export TSLIB_FBDEVICE=/dev/fb0
>>>>>>>
>>>>>>> -- clear screen
>>>>>>> / # ./fb
>>>>>>>
>>>>>>> -- run ts_calibrate
>>>>>>> / # ts_calibrate
>>>>>>> (you can calibrate touchscreen now, and get below errors)
>>>>>>>
>>>>>>> [ 113.942087] stmpe-i2c0-0041: failed to read regs 0x52: -110
>>>>>>> [ 114.063598] stmpe-i2c 0-0041: failed to read reg 0x4b: -16
>>>>>>> [ 114.185629] stmpe-i2c 0-0041: failed to read reg 0x40: -16
>>>>>>> [ 114.307257] stmpe-i2c 0-0041: failed to write reg 0xb: -16
>>>>>>>
>>>>>>> ...
>>>>>>> with i2c patch applied, you will find below logs:
>>>>>>>
>>>>>>> RAW---------------------> 3164 908 183 118.110884
>>>>>>> TS_READ_RAW----> x = 3164, y =908, pressure = 183
>>>>>>> RAW---------------------> 3166 922 126 118.138946
>>>>>>> TS_READ_RAW----> x = 3166, y = 922, pressure = 126
>>>>>>> ....
>>>>>>>
>>>>>>> files link:
>>>>>>> https://drive.google.com/drive/folders/1qNbjChcB6UGtKzne2F5x9_WG_sZFyo3o?usp=sharing
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Dillon Min (4):
>>>>>>> drm/panel: Add ilitek ili9341 panel driver
>>>>>>> i2c: stm32f4: Fix stmpe811 get xyz data timeout issue
>>>>>>> clk: stm32: Fix stm32f429's ltdc driver hang in set clock rate
>>>>>>> clk: stm32: Fix ltdc's clock turn off by clk_disable_unused() after
>>>>>>> kernel startup
>>>>>>>
>>>>>>> drivers/clk/clk-stm32f4.c | 10 +-
>>>>>>> drivers/gpu/drm/panel/Kconfig | 12 +
>>>>>>> drivers/gpu/drm/panel/Makefile | 1 +
>>>>>>> drivers/gpu/drm/panel/panel-ilitek-ili9341.c | 1285 ++++++++++++++++++++++++++
>>>>>>> drivers/i2c/busses/i2c-stm32f4.c | 12 +-
>>>>>>> 5 files changed, 1310 insertions(+), 10 deletions(-)
>>>>>>> create mode 100755 drivers/gpu/drm/panel/panel-ilitek-ili9341.c
>>>>>>>
View attachment ".config" of type "text/plain" (52485 bytes)
View attachment "u_boot_uimage_Toolchain_10-2020-q4-major_initcall_debug.log.txt" of type "text/plain" (28820 bytes)
Download attachment "rootfs_mcu.cpio" of type "application/x-cpio" (519168 bytes)
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