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[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>
This commit is contained in:
Jerry Huang 2011-12-20 14:50:27 +08:00 committed by Jeff Garzik
parent 966f1212e1
commit 93272b132a
1 changed files with 11 additions and 0 deletions
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11
drivers/ata/sata_fsl.c
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@ -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;
}