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SubjectRe: [PATCH 2.6.14-rc2 0/2] libata: Marvell SATA support (v0.23-0.24)
Bogdan Costescu wrote:
> mv_phy_reset: ENTER, port 0, mmio 0xf8a22000
> mv_phy_reset: S-regs after ATA_RST: SStat 0x00000000 SErr 0x00000000
> SCtrl 0x00000000
> mv_phy_reset: S-regs after PHY wake: SStat 0x00000000 SErr 0x00000000
> SCtrl 0x00000000
> ata3: no device found (phy stat 00000000)
> scsi2 : sata_mv
> mv_phy_reset: ENTER, port 1, mmio 0xf8a24000
> mv_phy_reset: S-regs after ATA_RST: SStat 0x00000000 SErr 0x00000000
> SCtrl 0x00000000
> mv_phy_reset: S-regs after PHY wake: SStat 0x00000000 SErr 0x00000000
> SCtrl 0x00000000
> ata4: no device found (phy stat 00000000)
> scsi3 : sata_mv
> mv_phy_reset: ENTER, port 2, mmio 0xf8a26000
> mv_phy_reset: S-regs after ATA_RST: SStat 0x00000000 SErr 0x00000000
> SCtrl 0x00000000
> mv_phy_reset: S-regs after PHY wake: SStat 0x00000000 SErr 0x00000000
> SCtrl 0x00000000
> ata5: no device found (phy stat 00000000)
> scsi4 : sata_mv
> mv_phy_reset: ENTER, port 3, mmio 0xf8a28000
> mv_phy_reset: S-regs after ATA_RST: SStat 0x00000000 SErr 0x00000000
> SCtrl 0x00000000
> mv_phy_reset: S-regs after PHY wake: SStat 0x00000000 SErr 0x00000000
> SCtrl 0x00000000
> ata6: no device found (phy stat 00000000)
> scsi5 : sata_mv

Staring at the docs a bit, I notice that the 50xx and 60xx have SATA
S{status,control,error} registers at different locations.
50xx:

SStatus:
SATAHC0 0x20100 0x20200 0x20300 0x20400
SATAHC1 0x30100 0x30200 0x30300 0x30400

SError:
SStatus addr + 4

SControl:
SStatus addr + 8

60xx:

SStatus:
SATAHC0 0x22300 0x24300 0x26300 0x28300
SATAHC1 0x32300 0x34300 0x36300 0x38300

SError:
SStatus addr + 4

SControl:
SStatus addr + 8

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