diff options
79 files changed, 324 insertions, 193 deletions
diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.txt b/Documentation/devicetree/bindings/ata/ahci-platform.txt index 48b285ffa3a6..c96d8dcf98fd 100644 --- a/Documentation/devicetree/bindings/ata/ahci-platform.txt +++ b/Documentation/devicetree/bindings/ata/ahci-platform.txt @@ -4,10 +4,16 @@ SATA nodes are defined to describe on-chip Serial ATA controllers. Each SATA controller should have its own node. Required properties: -- compatible : compatible list, one of "snps,spear-ahci", - "snps,exynos5440-ahci", "ibm,476gtr-ahci", - "allwinner,sun4i-a10-ahci", "fsl,imx53-ahci" - "fsl,imx6q-ahci" or "snps,dwc-ahci" +- compatible : compatible string, one of: + - "allwinner,sun4i-a10-ahci" + - "fsl,imx53-ahci" + - "fsl,imx6q-ahci" + - "hisilicon,hisi-ahci" + - "ibm,476gtr-ahci" + - "marvell,armada-380-ahci" + - "snps,dwc-ahci" + - "snps,exynos5440-ahci" + - "snps,spear-ahci" - interrupts : <interrupt mapping for SATA IRQ> - reg : <registers mapping> diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index 0033fafc470b..7671dbac6015 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -123,6 +123,15 @@ config AHCI_IMX If unsure, say N. +config AHCI_MVEBU + tristate "Marvell EBU AHCI SATA support" + depends on ARCH_MVEBU + help + This option enables support for the Marvebu EBU SoC's + onboard AHCI SATA. + + If unsure, say N. + config AHCI_SUNXI tristate "Allwinner sunxi AHCI SATA support" depends on ARCH_SUNXI diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile index 44c8016e565c..5a02aeecef5b 100644 --- a/drivers/ata/Makefile +++ b/drivers/ata/Makefile @@ -12,6 +12,7 @@ obj-$(CONFIG_SATA_DWC) += sata_dwc_460ex.o obj-$(CONFIG_SATA_HIGHBANK) += sata_highbank.o libahci.o obj-$(CONFIG_AHCI_DA850) += ahci_da850.o libahci.o libahci_platform.o obj-$(CONFIG_AHCI_IMX) += ahci_imx.o libahci.o libahci_platform.o +obj-$(CONFIG_AHCI_MVEBU) += ahci_mvebu.o libahci.o libahci_platform.o obj-$(CONFIG_AHCI_SUNXI) += ahci_sunxi.o libahci.o libahci_platform.o obj-$(CONFIG_AHCI_ST) += ahci_st.o libahci.o libahci_platform.o obj-$(CONFIG_AHCI_XGENE) += ahci_xgene.o libahci.o libahci_platform.o diff --git a/drivers/ata/acard-ahci.c b/drivers/ata/acard-ahci.c index b51605ac5974..0cd7c7a39e5b 100644 --- a/drivers/ata/acard-ahci.c +++ b/drivers/ata/acard-ahci.c @@ -77,7 +77,7 @@ static bool acard_ahci_qc_fill_rtf(struct ata_queued_cmd *qc); static int acard_ahci_port_start(struct ata_port *ap); static int acard_ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int acard_ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg); static int acard_ahci_pci_device_resume(struct pci_dev *pdev); #endif @@ -118,13 +118,13 @@ static struct pci_driver acard_ahci_pci_driver = { .id_table = acard_ahci_pci_tbl, .probe = acard_ahci_init_one, .remove = ata_pci_remove_one, -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP .suspend = acard_ahci_pci_device_suspend, .resume = acard_ahci_pci_device_resume, #endif }; -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int acard_ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg) { struct ata_host *host = pci_get_drvdata(pdev); diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 60707814a84b..dae5607e1115 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -445,10 +445,14 @@ static const struct pci_device_id ahci_pci_tbl[] = { .driver_data = board_ahci_yes_fbs }, /* 88se9172 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9192), .driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a0), + .driver_data = board_ahci_yes_fbs }, { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a3), .driver_data = board_ahci_yes_fbs }, { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9230), .driver_data = board_ahci_yes_fbs }, + { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642), + .driver_data = board_ahci_yes_fbs }, /* Promise */ { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */ diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h index af63c75c2001..05882e4445a6 100644 --- a/drivers/ata/ahci.h +++ b/drivers/ata/ahci.h @@ -237,6 +237,7 @@ enum { error-handling stage) */ AHCI_HFLAG_MULTI_MSI = (1 << 16), /* multiple PCI MSIs */ AHCI_HFLAG_NO_DEVSLP = (1 << 17), /* no device sleep */ + AHCI_HFLAG_NO_FBS = (1 << 18), /* no FBS */ /* ap->flags bits */ diff --git a/drivers/ata/ahci_da850.c b/drivers/ata/ahci_da850.c index 2c83613ce2db..2b77d53bccf8 100644 --- a/drivers/ata/ahci_da850.c +++ b/drivers/ata/ahci_da850.c @@ -85,7 +85,8 @@ static int ahci_da850_probe(struct platform_device *pdev) da850_sata_init(dev, pwrdn_reg, hpriv->mmio); - rc = ahci_platform_init_host(pdev, hpriv, &ahci_da850_port_info, 0, 0); + rc = ahci_platform_init_host(pdev, hpriv, &ahci_da850_port_info, + 0, 0, 0); if (rc) goto disable_resources; diff --git a/drivers/ata/ahci_imx.c b/drivers/ata/ahci_imx.c index 8befeb69eeb1..3a901520c62b 100644 --- a/drivers/ata/ahci_imx.c +++ b/drivers/ata/ahci_imx.c @@ -432,7 +432,8 @@ static int imx_ahci_probe(struct platform_device *pdev) reg_val = clk_get_rate(imxpriv->ahb_clk) / 1000; writel(reg_val, hpriv->mmio + IMX_TIMER1MS); - ret = ahci_platform_init_host(pdev, hpriv, &ahci_imx_port_info, 0, 0); + ret = ahci_platform_init_host(pdev, hpriv, &ahci_imx_port_info, + 0, 0, 0); if (ret) imx_sata_disable(hpriv); diff --git a/drivers/ata/ahci_mvebu.c b/drivers/ata/ahci_mvebu.c new file mode 100644 index 000000000000..fd3dfd733b84 --- /dev/null +++ b/drivers/ata/ahci_mvebu.c @@ -0,0 +1,128 @@ +/* + * AHCI glue platform driver for Marvell EBU SOCs + * + * Copyright (C) 2014 Marvell + * + * Thomas Petazzoni <thomas.petazzoni@free-electrons.com> + * Marcin Wojtas <mw@semihalf.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/ahci_platform.h> +#include <linux/kernel.h> +#include <linux/mbus.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include "ahci.h" + +#define AHCI_VENDOR_SPECIFIC_0_ADDR 0xa0 +#define AHCI_VENDOR_SPECIFIC_0_DATA 0xa4 + +#define AHCI_WINDOW_CTRL(win) (0x60 + ((win) << 4)) +#define AHCI_WINDOW_BASE(win) (0x64 + ((win) << 4)) +#define AHCI_WINDOW_SIZE(win) (0x68 + ((win) << 4)) + +static void ahci_mvebu_mbus_config(struct ahci_host_priv *hpriv, + const struct mbus_dram_target_info *dram) +{ + int i; + + for (i = 0; i < 4; i++) { + writel(0, hpriv->mmio + AHCI_WINDOW_CTRL(i)); + writel(0, hpriv->mmio + AHCI_WINDOW_BASE(i)); + writel(0, hpriv->mmio + AHCI_WINDOW_SIZE(i)); + } + + for (i = 0; i < dram->num_cs; i++) { + const struct mbus_dram_window *cs = dram->cs + i; + + writel((cs->mbus_attr << 8) | + (dram->mbus_dram_target_id << 4) | 1, + hpriv->mmio + AHCI_WINDOW_CTRL(i)); + writel(cs->base, hpriv->mmio + AHCI_WINDOW_BASE(i)); + writel(((cs->size - 1) & 0xffff0000), + hpriv->mmio + AHCI_WINDOW_SIZE(i)); + } +} + +static void ahci_mvebu_regret_option(struct ahci_host_priv *hpriv) +{ + /* + * Enable the regret bit to allow the SATA unit to regret a + * request that didn't receive an acknowlegde and avoid a + * deadlock + */ + writel(0x4, hpriv->mmio + AHCI_VENDOR_SPECIFIC_0_ADDR); + writel(0x80, hpriv->mmio + AHCI_VENDOR_SPECIFIC_0_DATA); +} + +static const struct ata_port_info ahci_mvebu_port_info = { + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_platform_ops, +}; + +static int ahci_mvebu_probe(struct platform_device *pdev) +{ + struct ahci_host_priv *hpriv; + const struct mbus_dram_target_info *dram; + int rc; + + hpriv = ahci_platform_get_resources(pdev); + if (IS_ERR(hpriv)) + return PTR_ERR(hpriv); + + rc = ahci_platform_enable_resources(hpriv); + if (rc) + return rc; + + dram = mv_mbus_dram_info(); + if (!dram) + return -ENODEV; + + ahci_mvebu_mbus_config(hpriv, dram); + ahci_mvebu_regret_option(hpriv); + + rc = ahci_platform_init_host(pdev, hpriv, &ahci_mvebu_port_info, + 0, 0, 0); + if (rc) + goto disable_resources; + + return 0; + +disable_resources: + ahci_platform_disable_resources(hpriv); + return rc; +} + +static const struct of_device_id ahci_mvebu_of_match[] = { + { .compatible = "marvell,armada-380-ahci", }, + { }, +}; +MODULE_DEVICE_TABLE(of, ahci_mvebu_of_match); + +/* + * We currently don't provide power management related operations, + * since there is no suspend/resume support at the platform level for + * Armada 38x for the moment. + */ +static struct platform_driver ahci_mvebu_driver = { + .probe = ahci_mvebu_probe, + .remove = ata_platform_remove_one, + .driver = { + .name = "ahci-mvebu", + .owner = THIS_MODULE, + .of_match_table = ahci_mvebu_of_match, + }, +}; +module_platform_driver(ahci_mvebu_driver); + +MODULE_DESCRIPTION("Marvell EBU AHCI SATA driver"); +MODULE_AUTHOR("Thomas Petazzoni <thomas.petazzoni@free-electrons.com>, Marcin Wojtas <mw@semihalf.com>"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:ahci_mvebu"); diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c index ef67e79944f9..ebe505c17763 100644 --- a/drivers/ata/ahci_platform.c +++ b/drivers/ata/ahci_platform.c @@ -16,6 +16,7 @@ #include <linux/module.h> #include <linux/pm.h> #include <linux/device.h> +#include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/libata.h> #include <linux/ahci_platform.h> @@ -33,6 +34,7 @@ static int ahci_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct ahci_platform_data *pdata = dev_get_platdata(dev); struct ahci_host_priv *hpriv; + unsigned long hflags = 0; int rc; hpriv = ahci_platform_get_resources(pdev); @@ -55,7 +57,11 @@ static int ahci_probe(struct platform_device *pdev) goto disable_resources; } - rc = ahci_platform_init_host(pdev, hpriv, &ahci_port_info, 0, 0); + if (of_device_is_compatible(dev->of_node, "hisilicon,hisi-ahci")) + hflags |= AHCI_HFLAG_NO_FBS; + + rc = ahci_platform_init_host(pdev, hpriv, &ahci_port_info, + hflags, 0, 0); if (rc) goto pdata_exit; @@ -76,6 +82,7 @@ static const struct of_device_id ahci_of_match[] = { { .compatible = "snps,exynos5440-ahci", }, { .compatible = "ibm,476gtr-ahci", }, { .compatible = "snps,dwc-ahci", }, + { .compatible = "hisilicon,hisi-ahci", }, {}, }; MODULE_DEVICE_TABLE(of, ahci_of_match); diff --git a/drivers/ata/ahci_st.c b/drivers/ata/ahci_st.c index 633222226c19..2595598df9ce 100644 --- a/drivers/ata/ahci_st.c +++ b/drivers/ata/ahci_st.c @@ -166,7 +166,7 @@ static int st_ahci_probe(struct platform_device *pdev) if (err) return err; - err = ahci_platform_init_host(pdev, hpriv, &st_ahci_port_info, 0, 0); + err = ahci_platform_init_host(pdev, hpriv, &st_ahci_port_info, 0, 0, 0); if (err) { ahci_platform_disable_resources(hpriv); return err; diff --git a/drivers/ata/ahci_sunxi.c b/drivers/ata/ahci_sunxi.c index 42d3f64e74b3..02002f125bd4 100644 --- a/drivers/ata/ahci_sunxi.c +++ b/drivers/ata/ahci_sunxi.c @@ -157,8 +157,6 @@ static void ahci_sunxi_start_engine(struct ata_port *ap) } static const struct ata_port_info ahci_sunxi_port_info = { - AHCI_HFLAGS(AHCI_HFLAG_32BIT_ONLY | AHCI_HFLAG_NO_MSI | - AHCI_HFLAG_NO_PMP | AHCI_HFLAG_YES_NCQ), .flags = AHCI_FLAG_COMMON | ATA_FLAG_NCQ, .pio_mask = ATA_PIO4, .udma_mask = ATA_UDMA6, @@ -169,6 +167,7 @@ static int ahci_sunxi_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct ahci_host_priv *hpriv; + unsigned long hflags; int rc; hpriv = ahci_platform_get_resources(pdev); @@ -185,7 +184,11 @@ static int ahci_sunxi_probe(struct platform_device *pdev) if (rc) goto disable_resources; - rc = ahci_platform_init_host(pdev, hpriv, &ahci_sunxi_port_info, 0, 0); + hflags = AHCI_HFLAG_32BIT_ONLY | AHCI_HFLAG_NO_MSI | + AHCI_HFLAG_NO_PMP | AHCI_HFLAG_YES_NCQ; + + rc = ahci_platform_init_host(pdev, hpriv, &ahci_sunxi_port_info, + hflags, 0, 0); if (rc) goto disable_resources; diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c index 77c89bf171f1..042a9bb45c86 100644 --- a/drivers/ata/ahci_xgene.c +++ b/drivers/ata/ahci_xgene.c @@ -303,7 +303,6 @@ static struct ata_port_operations xgene_ahci_ops = { }; static const struct ata_port_info xgene_ahci_port_info = { - AHCI_HFLAGS(AHCI_HFLAG_NO_PMP | AHCI_HFLAG_YES_NCQ), .flags = AHCI_FLAG_COMMON | ATA_FLAG_NCQ, .pio_mask = ATA_PIO4, .udma_mask = ATA_UDMA6, @@ -382,6 +381,7 @@ static int xgene_ahci_probe(struct platform_device *pdev) struct ahci_host_priv *hpriv; struct xgene_ahci_context *ctx; struct resource *res; + unsigned long hflags; int rc; hpriv = ahci_platform_get_resources(pdev); @@ -450,7 +450,10 @@ static int xgene_ahci_probe(struct platform_device *pdev) goto disable_resources; } - rc = ahci_platform_init_host(pdev, hpriv, &xgene_ahci_port_info, 0, 0); + hflags = AHCI_HFLAG_NO_PMP | AHCI_HFLAG_YES_NCQ; + + rc = ahci_platform_init_host(pdev, hpriv, &xgene_ahci_port_info, + hflags, 0, 0); if (rc) goto disable_resources; diff --git a/drivers/ata/ata_generic.c b/drivers/ata/ata_generic.c index 9498a7d3846f..9ff545ce8da3 100644 --- a/drivers/ata/ata_generic.c +++ b/drivers/ata/ata_generic.c @@ -241,7 +241,7 @@ static struct pci_driver ata_generic_pci_driver = { .id_table = ata_generic, .probe = ata_generic_init_one, .remove = ata_pci_remove_one, -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP .suspend = ata_pci_device_suspend, .resume = ata_pci_device_resume, #endif diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 6334c8d7c3f1..893e30e9a9ef 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -830,7 +830,7 @@ static bool piix_irq_check(struct ata_port *ap) return ap->ops->bmdma_status(ap) & ATA_DMA_INTR; } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int piix_broken_suspend(void) { static const struct dmi_system_id sysids[] = { @@ -1767,7 +1767,7 @@ static struct pci_driver piix_pci_driver = { .id_table = piix_pci_tbl, .probe = piix_init_one, .remove = piix_remove_one, -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP .suspend = piix_pci_device_suspend, .resume = piix_pci_device_resume, #endif diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index b9861453fc81..40ea583d3610 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -464,6 +464,11 @@ void ahci_save_initial_config(struct device *dev, cap |= HOST_CAP_FBS; } + if ((cap & HOST_CAP_FBS) && (hpriv->flags & AHCI_HFLAG_NO_FBS)) { + dev_info(dev, "controller can't do FBS, turning off CAP_FBS\n"); + cap &= ~HOST_CAP_FBS; + } + if (force_port_map && port_map != force_port_map) { dev_info(dev, "forcing port_map 0x%x -> 0x%x\n", |