diff options
| author | Jerry Huang <Chang-Ming.Huang@freescale.com> | 2011-12-20 10:50:27 +0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2012-01-18 05:49:07 +0400 |
| commit | 93272b132a72450dfc16f13d32223fe47aaf5061 (patch) | |
| tree | d23e8fc226170ecbcdb6fcf7487beeadd5ca8748 /drivers/ata | |
| parent | 966f1212e1ac5fe3ddf04479d21488ddb36a2608 (diff) | |
| download | linux-93272b132a72450dfc16f13d32223fe47aaf5061.tar.xz | |
[libata] sata_fsl: fix the controller operating mode
Configure the FSL SATA controller to the preferred, enterprise mode.
Signed-off-by: Yutaka Ando <r46913@freescale.com>
Signed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com>
CC: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/sata_fsl.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c index 5a2c95ba050a..0120b0d1e9a5 100644 --- a/drivers/ata/sata_fsl.c +++ b/drivers/ata/sata_fsl.c @@ -140,6 +140,7 @@ enum { */ HCONTROL_ONLINE_PHY_RST = (1 << 31), HCONTROL_FORCE_OFFLINE = (1 << 30), + HCONTROL_LEGACY = (1 << 28), HCONTROL_PARITY_PROT_MOD = (1 << 14), HCONTROL_DPATH_PARITY = (1 << 12), HCONTROL_SNOOP_ENABLE = (1 << 10), @@ -1223,6 +1224,10 @@ static int sata_fsl_init_controller(struct ata_host *host) * part of the port_start() callback */ + /* sata controller to operate in enterprise mode */ + temp = ioread32(hcr_base + HCONTROL); + iowrite32(temp & ~HCONTROL_LEGACY, hcr_base + HCONTROL); + /* ack. any pending IRQs for this controller/port */ temp = ioread32(hcr_base + HSTATUS); if (temp & 0x3F) @@ -1421,6 +1426,12 @@ static int sata_fsl_resume(struct platform_device *op) /* Recovery the CHBA register in host controller cmd register set */ iowrite32(pp->cmdslot_paddr & 0xffffffff, hcr_base + CHBA); + iowrite32((ioread32(hcr_base + HCONTROL) + | HCONTROL_ONLINE_PHY_RST + | HCONTROL_SNOOP_ENABLE + | HCONTROL_PMP_ATTACHED), + hcr_base + HCONTROL); + ata_host_resume(host); return 0; } |