Re: Debian on Shuttle KD20 (PLX OXNAS 7821)

WarheadsSE Wrote:
-------------------------------------------------------
>

> #define
> SATA_REG_BASE			OXNAS_HW_PA_TO_VA(0x05900000)
> #define
> SATA_PHY_BASE			OXNAS_HW_PA_TO_VA(0x04900000)
> #define SATA_PHY_BASE_PA        0x44900000
> #define SATA_REG_BASE_PA        0x45900000
> #define SATA0_REGS_BASE     (SATA_REG_BASE +
> 0x00000)
> #define SATA1_REGS_BASE     (SATA_REG_BASE +
> 0x10000)
> 
> #define OX820SATA_SGDMA_CORESIZE    (0x10)
> #define OX820SATA_SGDMA_BASE0       ((u32*
> )(SATASGDMA_REGS_BASE + (0 *
> OX820SATA_SGDMA_CORESIZE)))
> #define OX820SATA_SGDMA_BASE1       ((u32*
> )(SATASGDMA_REGS_BASE + (1 *
> OX820SATA_SGDMA_CORESIZE)))
>

>
> The more I dig around, the more the described
> entry from bodhi seems accurate.
>
> This only real difference I see is that you need
> to have the port @ 0x45910000, and they appear to
> have the same DMA/SGDMA/etc.
>
> https://github.com/mibodhi/u-boot-oxnas/blob/oxnas
> /drivers/block/plxsata_ide.c
> https://github.com/mibodhi/u-boot-oxnas/blob/oxnas
> /arch/arm/include/asm/arch-nas782x/hardware.h

So - do you think it might be possible to use the second port only with a couple of changes and leaving first port unused?

It might help make both sata ports work if there was possibility to make them work separately first. If there was some way to find out what it needs to change used port, it might be a step forward.