Re: [PATCH v3 08/22] ppc/ppc4xx: Introduce a DCR device model

2022-08-08 Thread Cédric Le Goater
On 8/8/22 15:29, BALATON Zoltan wrote: On Mon, 8 Aug 2022, Cédric Le Goater wrote: The Device Control Registers (DCR) of on-SoC devices are accessed by software through the use of the mtdcr and mfdcr instructions. These are converted in transactions on a side band bus, the DCR bus, which connect

Re: [PATCH v3 08/22] ppc/ppc4xx: Introduce a DCR device model

2022-08-08 Thread BALATON Zoltan
On Mon, 8 Aug 2022, Cédric Le Goater wrote: The Device Control Registers (DCR) of on-SoC devices are accessed by software through the use of the mtdcr and mfdcr instructions. These are converted in transactions on a side band bus, the DCR bus, which connects the on-SoC devices to the CPU. Ideall