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Commit 93272b13 authored by Jerry Huang's avatar Jerry Huang Committed by Jeff Garzik
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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: default avatarYutaka Ando <r46913@freescale.com>
Signed-off-by: default avatarJerry Huang <Chang-Ming.Huang@freescale.com>
CC: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent 966f1212

drivers/ata/sata_fsl.c

+11 −0
Original line number Diff line number Diff line
@@ -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;

}