[linux-sunxi] A20 Board with Audio Amplifier

2022-03-07 Thread mullappil...@gmail.com
i have a board with A20 and PAM8620 audio amplifier. 3.4 kernel works with good audio along with patches on sunxi-codec.c, now moved to kernel 5.16, and audio is not working. the fex file has following entry [audio_para] audio_used = 1 audio_pa_ctrl = port:PH15<1><0> audio_mute_ctrl =

[linux-sunxi] A20 SOM EVB: NAND -> U-Boot -> SATA

2022-03-07 Thread Daft Soft
Hi, All! I'm working on booting A20 (Olimex A20-SOM) from NAND. Due to lack of information/howtos and any kind of inctructions on the internet I had to start to make my own way. I've managed to build kernel (5.2.21) with NAND support. Tried to write U-Boot Olinuxino, denx U-Boot and

[linux-sunxi] NAND -> U-Boot -> SCSI (SATA) on A20

2022-03-07 Thread Daft Soft
Hi, All! I'm working on booting A20 (Olimex A20-SOM) from NAND. Due to lack of information/howtos and any kind of inctructions on the internet I had to start to make my own way. I've managed to build kernel (5.2.21) with NAND support. Tried to write U-Boot Olinuxino, denx U-Boot and

Re: [linux-sunxi] A20 SOM EVB: NAND -> U-Boot -> SATA

2022-03-07 Thread Arti Zirk
On T, 2022-02-22 at 04:36 -0800, Daft Soft wrote: > I'm working on booting A20 (Olimex A20-SOM) from NAND Can you tell us what board version of Olimex A20-SOM you have? Starting from revision E[1], there should be a SPI flash chip on board that should be much easier to get booting[2]. My