From 93272b132a72450dfc16f13d32223fe47aaf5061 Mon Sep 17 00:00:00 2001 From: Jerry Huang Date: Tue, 20 Dec 2011 14:50:27 +0800 Subject: [PATCH] [libata] sata_fsl: fix the controller operating mode Configure the FSL SATA controller to the preferred, enterprise mode. Signed-off-by: Yutaka Ando Signed-off-by: Jerry Huang CC: Jeff Garzik Signed-off-by: Jeff Garzik --- drivers/ata/sata_fsl.c | 11 +++++++++++ 1 file changed, 11 insertions(+) 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; } -- 2.20.1