ahci: qoriq: added ls2088a platforms support (ce8f4537) · Commits · 戴 / test

Ls2088a is new introduced arm-based soc with sata support with following features: 1. Complies with the serial ATA 3.0 specification and the AHCI 1.3.1 specification 2. Contains a high-speed descriptor-based DMA controller 3. Supports the following: a. Speeds of 1.5 Gb/s (first-generation SATA), 3 Gb/s (second-generation SATA), and 6 Gb/s (third-generation SATA) b. FIS-based switching c. Native command queuing (NCQ) commands d. Port multiplier operation e. Asynchronous notification f. SATA BIST mode Signed-off-by:

Tang Yuantian <yuantian.tang@nxp.com> Signed-off-by:

Tejun Heo <tj@kernel.org>

drivers/ata/ahci_qoriq.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -53,6 +53,7 @@ enum ahci_qoriq_type {
		AHCI_LS1043A,
		AHCI_LS2080A,
		AHCI_LS1046A,
		AHCI_LS2088A,
		};

		struct ahci_qoriq_priv {
		@@ -67,6 +68,7 @@ static const struct of_device_id ahci_qoriq_of_match[] = {
		{ .compatible = "fsl,ls1043a-ahci", .data = (void *)AHCI_LS1043A},
		{ .compatible = "fsl,ls2080a-ahci", .data = (void *)AHCI_LS2080A},
		{ .compatible = "fsl,ls1046a-ahci", .data = (void *)AHCI_LS1046A},
		{ .compatible = "fsl,ls2088a-ahci", .data = (void *)AHCI_LS2088A},
		{},
		};
		MODULE_DEVICE_TABLE(of, ahci_qoriq_of_match);
		@@ -198,6 +200,13 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv)
		if (qpriv->is_dmacoherent)
		writel(AHCI_PORT_AXICC_CFG, reg_base + PORT_AXICC);
		break;

		case AHCI_LS2088A:
		writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);
		writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
		if (qpriv->is_dmacoherent)
		writel(AHCI_PORT_AXICC_CFG, reg_base + PORT_AXICC);
		break;
		}

		return 0;

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