Re: [PATCH/RFC] board: amlogic: Fix Odroid-C4 SD card reboot issue

2020-12-18 Thread Neil Armstrong
Hi, On 18/12/2020 10:42, Marek Szyprowski wrote: > Hi Neil, > > On 18.12.2020 10:24, Neil Armstrong wrote: >> On 18/12/2020 10:11, Marek Szyprowski wrote: >>> On 18.12.2020 09:36, Neil Armstrong wrote: On 17/12/2020 10:06, Marek Szyprowski wrote: > For the proper reboot Odroid C4 board r

Re: [PATCH/RFC] board: amlogic: Fix Odroid-C4 SD card reboot issue

2020-12-18 Thread Marek Szyprowski
Hi Neil, On 18.12.2020 10:24, Neil Armstrong wrote: > On 18/12/2020 10:11, Marek Szyprowski wrote: >> On 18.12.2020 09:36, Neil Armstrong wrote: >>> On 17/12/2020 10:06, Marek Szyprowski wrote: For the proper reboot Odroid C4 board requires to switch TFLASH_VDD_EN pin to the input (high

Re: [PATCH/RFC] board: amlogic: Fix Odroid-C4 SD card reboot issue

2020-12-18 Thread Neil Armstrong
Hi, On 18/12/2020 10:11, Marek Szyprowski wrote: > Hi Neil, > > On 18.12.2020 09:36, Neil Armstrong wrote: >> On 17/12/2020 10:06, Marek Szyprowski wrote: >>> For the proper reboot Odroid C4 board requires to switch TFLASH_VDD_EN >>> pin to the input (high impedance?) mode, otherwise the board is

Re: [PATCH/RFC] board: amlogic: Fix Odroid-C4 SD card reboot issue

2020-12-18 Thread Marek Szyprowski
Hi Neil, On 18.12.2020 09:36, Neil Armstrong wrote: > On 17/12/2020 10:06, Marek Szyprowski wrote: >> For the proper reboot Odroid C4 board requires to switch TFLASH_VDD_EN >> pin to the input (high impedance?) mode, otherwise the board is stuck >> in the middle of loading early stages of the boot

Re: [PATCH/RFC] board: amlogic: Fix Odroid-C4 SD card reboot issue

2020-12-18 Thread Neil Armstrong
Hi, On 17/12/2020 10:06, Marek Szyprowski wrote: > For the proper reboot Odroid C4 board requires to switch TFLASH_VDD_EN > pin to the input (high impedance?) mode, otherwise the board is stuck > in the middle of loading early stages of the bootloader from SD card. Did you try taking the regulato

Re: [PATCH/RFC] board: amlogic: Fix Odroid-C4 SD card reboot issue

2020-12-17 Thread Mark Kettenis
> From: Marek Szyprowski > Date: Thu, 17 Dec 2020 10:06:24 +0100 > > For the proper reboot Odroid C4 board requires to switch TFLASH_VDD_EN > pin to the input (high impedance?) mode, otherwise the board is stuck > in the middle of loading early stages of the bootloader from SD card. > > This has

[PATCH/RFC] board: amlogic: Fix Odroid-C4 SD card reboot issue

2020-12-17 Thread Marek Szyprowski
For the proper reboot Odroid C4 board requires to switch TFLASH_VDD_EN pin to the input (high impedance?) mode, otherwise the board is stuck in the middle of loading early stages of the bootloader from SD card. This has been achieved by hijacking reset_misc() callback from the PSCI firmware in the