diff options
author | Tom Rini <trini@konsulko.com> | 2019-10-25 13:50:51 -0400 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2019-10-25 13:50:51 -0400 |
commit | 271103ac0b8ff627007f83d379927b60bcccb702 (patch) | |
tree | 8c6d4edd7976ba7170df364746240e6e37ed76b9 /drivers | |
parent | c9e50bb12af19a8365ae4d3099abb8db1abee785 (diff) | |
parent | 235f5e158e336371759f98ffbf265fe078cda251 (diff) | |
download | u-boot-271103ac0b8ff627007f83d379927b60bcccb702.tar.gz u-boot-271103ac0b8ff627007f83d379927b60bcccb702.tar.bz2 u-boot-271103ac0b8ff627007f83d379927b60bcccb702.zip |
Merge branch 'master' of git://git.denx.de/u-boot-usb
- DWC3 improvements
- i.MX7 EHCI bugfix
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/phy/keystone-usb-phy.c | 22 | ||||
-rw-r--r-- | drivers/usb/dwc3/Kconfig | 18 | ||||
-rw-r--r-- | drivers/usb/dwc3/core.c | 84 | ||||
-rw-r--r-- | drivers/usb/dwc3/core.h | 6 | ||||
-rw-r--r-- | drivers/usb/dwc3/dwc3-generic.c | 146 | ||||
-rw-r--r-- | drivers/usb/host/Kconfig | 13 | ||||
-rw-r--r-- | drivers/usb/host/Makefile | 1 | ||||
-rw-r--r-- | drivers/usb/host/ehci-mx6.c | 68 | ||||
-rw-r--r-- | drivers/usb/host/xhci-dwc3.c | 2 | ||||
-rw-r--r-- | drivers/usb/host/xhci-exynos5.c | 2 | ||||
-rw-r--r-- | drivers/usb/host/xhci-fsl.c | 2 | ||||
-rw-r--r-- | drivers/usb/host/xhci-mem.c | 2 | ||||
-rw-r--r-- | drivers/usb/host/xhci-mvebu.c | 2 | ||||
-rw-r--r-- | drivers/usb/host/xhci-omap.c | 2 | ||||
-rw-r--r-- | drivers/usb/host/xhci-pci.c | 2 | ||||
-rw-r--r-- | drivers/usb/host/xhci-rcar.c | 2 | ||||
-rw-r--r-- | drivers/usb/host/xhci-ring.c | 2 | ||||
-rw-r--r-- | drivers/usb/host/xhci-rockchip.c | 2 | ||||
-rw-r--r-- | drivers/usb/host/xhci-zynqmp.c | 146 | ||||
-rw-r--r-- | drivers/usb/host/xhci.c | 2 | ||||
-rw-r--r-- | drivers/usb/host/xhci.h | 1292 | ||||
-rw-r--r-- | drivers/usb/phy/omap_usb_phy.c | 2 |
22 files changed, 282 insertions, 1538 deletions
diff --git a/drivers/phy/keystone-usb-phy.c b/drivers/phy/keystone-usb-phy.c index e8146cabfa..14ac6bbbb2 100644 --- a/drivers/phy/keystone-usb-phy.c +++ b/drivers/phy/keystone-usb-phy.c @@ -9,6 +9,7 @@ #include <dm/device.h> #include <generic-phy.h> #include <asm/io.h> +#include <asm/arch/psc_defs.h> /* USB PHY control register offsets */ #define USB_PHY_CTL_UTMI 0x0000 @@ -22,15 +23,25 @@ #define PHY_REF_SSP_EN BIT(29) struct keystone_usb_phy { + u32 psc_domain; void __iomem *reg; }; static int keystone_usb_init(struct phy *phy) { u32 val; + int rc; struct udevice *dev = phy->dev; struct keystone_usb_phy *keystone = dev_get_priv(dev); + /* Release USB from reset */ + rc = psc_enable_module(keystone->psc_domain); + if (rc) { + debug("Cannot enable USB module"); + return -rc; + } + mdelay(10); + /* * VBUSVLDEXTSEL has a default value of 1 in BootCfg but shouldn't. * It should always be cleared because our USB PHY has an onchip VBUS @@ -72,13 +83,24 @@ static int keystone_usb_power_off(struct phy *phy) static int keystone_usb_exit(struct phy *phy) { + struct udevice *dev = phy->dev; + struct keystone_usb_phy *keystone = dev_get_priv(dev); + + if (psc_disable_module(keystone->psc_domain)) + debug("failed to disable USB module!\n"); + return 0; } static int keystone_usb_phy_probe(struct udevice *dev) { + int rc; struct keystone_usb_phy *keystone = dev_get_priv(dev); + rc = dev_read_u32(dev, "psc-domain", &keystone->psc_domain); + if (rc) + return rc; + keystone->reg = dev_remap_addr_index(dev, 0); if (!keystone->reg) { pr_err("unable to remap usb phy\n"); diff --git a/drivers/usb/dwc3/Kconfig b/drivers/usb/dwc3/Kconfig index 25e1a38aee..c302486291 100644 --- a/drivers/usb/dwc3/Kconfig +++ b/drivers/usb/dwc3/Kconfig @@ -7,25 +7,11 @@ config USB_DWC3 if USB_DWC3 -choice - bool "DWC3 Mode Selection" - -config USB_DWC3_HOST - bool "Host only mode" - depends on USB - help - Select this when you want to use DWC3 in host mode only, - thereby the gadget feature will be regressed. - config USB_DWC3_GADGET - bool "Gadget only mode" + bool "USB Gadget support for DWC3" + default y depends on USB_GADGET select USB_GADGET_DUALSPEED - help - Select this when you want to use DWC3 in gadget mode only, - thereby the host feature will be regressed. - -endchoice comment "Platform Glue Driver Support" diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 2498f0efb1..23af60c98d 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -581,6 +581,12 @@ static int dwc3_core_init_mode(struct dwc3 *dwc) return 0; } +static void dwc3_gadget_run(struct dwc3 *dwc) +{ + dwc3_writel(dwc->regs, DWC3_DCTL, DWC3_DCTL_RUN_STOP); + mdelay(100); +} + static void dwc3_core_exit_mode(struct dwc3 *dwc) { switch (dwc->dr_mode) { @@ -598,6 +604,13 @@ static void dwc3_core_exit_mode(struct dwc3 *dwc) /* do nothing */ break; } + + /* + * switch back to peripheral mode + * This enables the phy to enter idle and then, if enabled, suspend. + */ + dwc3_set_mode(dwc, DWC3_GCTL_PRTCAP_DEVICE); + dwc3_gadget_run(dwc); } #define DWC3_ALIGN_MASK (16 - 1) @@ -694,9 +707,9 @@ int dwc3_uboot_init(struct dwc3_device *dwc3_dev) return -ENOMEM; } - if (IS_ENABLED(CONFIG_USB_DWC3_HOST)) + if (!IS_ENABLED(CONFIG_USB_DWC3_GADGET)) dwc->dr_mode = USB_DR_MODE_HOST; - else if (IS_ENABLED(CONFIG_USB_DWC3_GADGET)) + else if (!IS_ENABLED(CONFIG_USB_HOST)) dwc->dr_mode = USB_DR_MODE_PERIPHERAL; if (dwc->dr_mode == USB_DR_MODE_UNKNOWN) @@ -874,7 +887,72 @@ int dwc3_shutdown_phy(struct udevice *dev, struct phy *usb_phys, int num_phys) } #endif -#if CONFIG_IS_ENABLED(DM_USB_GADGET) +#if CONFIG_IS_ENABLED(DM_USB) +void dwc3_of_parse(struct dwc3 *dwc) +{ + const u8 *tmp; + struct udevice *dev = dwc->dev; + u8 lpm_nyet_threshold; + u8 tx_de_emphasis; + u8 hird_threshold; + + /* default to highest possible threshold */ + lpm_nyet_threshold = 0xff; + + /* default to -3.5dB de-emphasis */ + tx_de_emphasis = 1; + + /* + * default to assert utmi_sleep_n and use maximum allowed HIRD + * threshold value of 0b1100 + */ + hird_threshold = 12; + + dwc->has_lpm_erratum = dev_read_bool(dev, + "snps,has-lpm-erratum"); + tmp = dev_read_u8_array_ptr(dev, "snps,lpm-nyet-threshold", 1); + if (tmp) + lpm_nyet_threshold = *tmp; + + dwc->is_utmi_l1_suspend = dev_read_bool(dev, + "snps,is-utmi-l1-suspend"); + tmp = dev_read_u8_array_ptr(dev, "snps,hird-threshold", 1); + if (tmp) + hird_threshold = *tmp; + + dwc->disable_scramble_quirk = dev_read_bool(dev, + "snps,disable_scramble_quirk"); + dwc->u2exit_lfps_quirk = dev_read_bool(dev, + "snps,u2exit_lfps_quirk"); + dwc->u2ss_inp3_quirk = dev_read_bool(dev, + "snps,u2ss_inp3_quirk"); + dwc->req_p1p2p3_quirk = dev_read_bool(dev, + "snps,req_p1p2p3_quirk"); + dwc->del_p1p2p3_quirk = dev_read_bool(dev, + "snps,del_p1p2p3_quirk"); + dwc->del_phy_power_chg_quirk = dev_read_bool(dev, + "snps,del_phy_power_chg_quirk"); + dwc->lfps_filter_quirk = dev_read_bool(dev, + "snps,lfps_filter_quirk"); + dwc->rx_detect_poll_quirk = dev_read_bool(dev, + "snps,rx_detect_poll_quirk"); + dwc->dis_u3_susphy_quirk = dev_read_bool(dev, + "snps,dis_u3_susphy_quirk"); + dwc->dis_u2_susphy_quirk = dev_read_bool(dev, + "snps,dis_u2_susphy_quirk"); + dwc->tx_de_emphasis_quirk = dev_read_bool(dev, + "snps,tx_de_emphasis_quirk"); + tmp = dev_read_u8_array_ptr(dev, "snps,tx_de_emphasis", 1); + if (tmp) + tx_de_emphasis = *tmp; + + dwc->lpm_nyet_threshold = lpm_nyet_threshold; + dwc->tx_de_emphasis = tx_de_emphasis; + + dwc->hird_threshold = hird_threshold + | (dwc->is_utmi_l1_suspend << 4); +} + int dwc3_init(struct dwc3 *dwc) { int ret; diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index cfe29884e7..be9672266a 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -991,18 +991,14 @@ struct dwc3_gadget_ep_cmd_params { /* prototypes */ int dwc3_gadget_resize_tx_fifos(struct dwc3 *dwc); +void dwc3_of_parse(struct dwc3 *dwc); int dwc3_init(struct dwc3 *dwc); void dwc3_remove(struct dwc3 *dwc); -#ifdef CONFIG_USB_DWC3_HOST -int dwc3_host_init(struct dwc3 *dwc); -void dwc3_host_exit(struct dwc3 *dwc); -#else static inline int dwc3_host_init(struct dwc3 *dwc) { return 0; } static inline void dwc3_host_exit(struct dwc3 *dwc) { } -#endif #ifdef CONFIG_USB_DWC3_GADGET int dwc3_gadget_init(struct dwc3 *dwc); diff --git a/drivers/usb/dwc3/dwc3-generic.c b/drivers/usb/dwc3/dwc3-generic.c index 406bf0b362..023e95395b 100644 --- a/drivers/usb/dwc3/dwc3-generic.c +++ b/drivers/usb/dwc3/dwc3-generic.c @@ -21,51 +21,60 @@ #include "gadget.h" #include <reset.h> #include <clk.h> +#include <usb/xhci.h> -#if CONFIG_IS_ENABLED(DM_USB_GADGET) -struct dwc3_generic_peripheral { +struct dwc3_generic_plat { + fdt_addr_t base; + u32 maximum_speed; + enum usb_dr_mode dr_mode; +}; + +struct dwc3_generic_priv { + void *base; struct dwc3 dwc3; struct phy *phys; int num_phys; - fdt_addr_t base; }; -int dm_usb_gadget_handle_interrupts(struct udevice *dev) -{ - struct dwc3_generic_peripheral *priv = dev_get_priv(dev); - struct dwc3 *dwc3 = &priv->dwc3; - - dwc3_gadget_uboot_handle_interrupt(dwc3); - - return 0; -} +struct dwc3_generic_host_priv { + struct xhci_ctrl xhci_ctrl; + struct dwc3_generic_priv gen_priv; +}; -static int dwc3_generic_peripheral_probe(struct udevice *dev) +static int dwc3_generic_probe(struct udevice *dev, + struct dwc3_generic_priv *priv) { int rc; - struct dwc3_generic_peripheral *priv = dev_get_priv(dev); + struct dwc3_generic_plat *plat = dev_get_platdata(dev); struct dwc3 *dwc3 = &priv->dwc3; + dwc3->dev = dev; + dwc3->maximum_speed = plat->maximum_speed; + dwc3->dr_mode = plat->dr_mode; +#if CONFIG_IS_ENABLED(OF_CONTROL) + dwc3_of_parse(dwc3); +#endif + rc = dwc3_setup_phy(dev, &priv->phys, &priv->num_phys); if (rc) return rc; - dwc3->regs = map_physmem(priv->base, DWC3_OTG_REGS_END, MAP_NOCACHE); - dwc3->regs += DWC3_GLOBALS_REGS_START; - dwc3->dev = dev; + priv->base = map_physmem(plat->base, DWC3_OTG_REGS_END, MAP_NOCACHE); + dwc3->regs = priv->base + DWC3_GLOBALS_REGS_START; + rc = dwc3_init(dwc3); if (rc) { - unmap_physmem(dwc3->regs, MAP_NOCACHE); + unmap_physmem(priv->base, MAP_NOCACHE); return rc; } return 0; } -static int dwc3_generic_peripheral_remove(struct udevice *dev) +static int dwc3_generic_remove(struct udevice *dev, + struct dwc3_generic_priv *priv) { - struct dwc3_generic_peripheral *priv = dev_get_priv(dev); struct dwc3 *dwc3 = &priv->dwc3; dwc3_remove(dwc3); @@ -75,22 +84,21 @@ static int dwc3_generic_peripheral_remove(struct udevice *dev) return 0; } -static int dwc3_generic_peripheral_ofdata_to_platdata(struct udevice *dev) +static int dwc3_generic_ofdata_to_platdata(struct udevice *dev) { - struct dwc3_generic_peripheral *priv = dev_get_priv(dev); - struct dwc3 *dwc3 = &priv->dwc3; + struct dwc3_generic_plat *plat = dev_get_platdata(dev); int node = dev_of_offset(dev); - priv->base = devfdt_get_addr(dev); + plat->base = devfdt_get_addr(dev); - dwc3->maximum_speed = usb_get_maximum_speed(node); - if (dwc3->maximum_speed == USB_SPEED_UNKNOWN) { - pr_err("Invalid usb maximum speed\n"); - return -ENODEV; + plat->maximum_speed = usb_get_maximum_speed(node); + if (plat->maximum_speed == USB_SPEED_UNKNOWN) { + pr_info("No USB maximum speed specified. Using super speed\n"); + plat->maximum_speed = USB_SPEED_SUPER; } - dwc3->dr_mode = usb_get_dr_mode(node); - if (dwc3->dr_mode == USB_DR_MODE_UNKNOWN) { + plat->dr_mode = usb_get_dr_mode(node); + if (plat->dr_mode == USB_DR_MODE_UNKNOWN) { pr_err("Invalid usb mode setup\n"); return -ENODEV; } @@ -98,13 +106,83 @@ static int dwc3_generic_peripheral_ofdata_to_platdata(struct udevice *dev) return 0; } +#if CONFIG_IS_ENABLED(DM_USB_GADGET) +int dm_usb_gadget_handle_interrupts(struct udevice *dev) +{ + struct dwc3_generic_priv *priv = dev_get_priv(dev); + struct dwc3 *dwc3 = &priv->dwc3; + + dwc3_gadget_uboot_handle_interrupt(dwc3); + + return 0; +} + +static int dwc3_generic_peripheral_probe(struct udevice *dev) +{ + struct dwc3_generic_priv *priv = dev_get_priv(dev); + + return dwc3_generic_probe(dev, priv); +} + +static int dwc3_generic_peripheral_remove(struct udevice *dev) +{ + struct dwc3_generic_priv *priv = dev_get_priv(dev); + + return dwc3_generic_remove(dev, priv); +} + U_BOOT_DRIVER(dwc3_generic_peripheral) = { .name = "dwc3-generic-peripheral", .id = UCLASS_USB_GADGET_GENERIC, - .ofdata_to_platdata = dwc3_generic_peripheral_ofdata_to_platdata, + .ofdata_to_platdata = dwc3_generic_ofdata_to_platdata, .probe = dwc3_generic_peripheral_probe, .remove = dwc3_generic_peripheral_remove, - .priv_auto_alloc_size = sizeof(struct dwc3_generic_peripheral), + .priv_auto_alloc_size = sizeof(struct dwc3_generic_priv), + .platdata_auto_alloc_size = sizeof(struct dwc3_generic_plat), +}; +#endif + +#if defined(CONFIG_SPL_USB_HOST_SUPPORT) || !defined(CONFIG_SPL_BUILD) +static int dwc3_generic_host_probe(struct udevice *dev) +{ + struct xhci_hcor *hcor; + struct xhci_hccr *hccr; + struct dwc3_generic_host_priv *priv = dev_get_priv(dev); + int rc; + + rc = dwc3_generic_probe(dev, &priv->gen_priv); + if (rc) + return rc; + + hccr = (struct xhci_hccr *)priv->gen_priv.base; + hcor = (struct xhci_hcor *)(priv->gen_priv.base + + HC_LENGTH(xhci_readl(&(hccr)->cr_capbase))); + + return xhci_register(dev, hccr, hcor); +} + +static int dwc3_generic_host_remove(struct udevice *dev) +{ + struct dwc3_generic_host_priv *priv = dev_get_priv(dev); + int rc; + + rc = xhci_deregister(dev); + if (rc) + return rc; + + return dwc3_generic_remove(dev, &priv->gen_priv); +} + +U_BOOT_DRIVER(dwc3_generic_host) = { + .name = "dwc3-generic-host", + .id = UCLASS_USB, + .ofdata_to_platdata = dwc3_generic_ofdata_to_platdata, + .probe = dwc3_generic_host_probe, + .remove = dwc3_generic_host_remove, + .priv_auto_alloc_size = sizeof(struct dwc3_generic_host_priv), + .platdata_auto_alloc_size = sizeof(struct dwc3_generic_plat), + .ops = &xhci_usb_ops, + .flags = DM_FLAG_ALLOC_PRIV_DMA, }; #endif @@ -228,10 +306,12 @@ static int dwc3_glue_bind(struct udevice *parent) driver = "dwc3-generic-peripheral"; #endif break; +#if defined(CONFIG_SPL_USB_HOST_SUPPORT) || !defined(CONFIG_SPL_BUILD) case USB_DR_MODE_HOST: debug("%s: dr_mode: HOST\n", __func__); - driver = "xhci-dwc3"; + driver = "dwc3-generic-host"; break; +#endif default: debug("%s: unsupported dr_mode\n", __func__); return -ENODEV; diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 30c6b69be8..0987ff25b1 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -73,13 +73,6 @@ config USB_XHCI_STI STiH407 family SoCs. This is a driver for the dwc3 to provide the glue logic to configure the controller. -config USB_XHCI_ZYNQMP - bool "Support for Xilinx ZynqMP on-chip xHCI USB controller" - depends on ARCH_ZYNQMP - depends on DM_USB - help - Enables support for the on-chip xHCI controller on Xilinx ZynqMP SoCs. - config USB_XHCI_DRA7XX_INDEX int "DRA7XX xHCI USB index" range 0 1 @@ -141,8 +134,8 @@ config USB_EHCI_MX5 Enables support for the on-chip EHCI controller on i.MX5 SoCs. config USB_EHCI_MX6 - bool "Support for i.MX6 on-chip EHCI USB controller" - depends on ARCH_MX6 + bool "Support for i.MX6/i.MX7ULP on-chip EHCI USB controller" + depends on ARCH_MX6 || ARCH_MX7ULP default y ---help--- Enables support for the on-chip EHCI controller on i.MX6 SoCs. @@ -169,7 +162,7 @@ config USB_EHCI_VF help Enables support for the on-chip EHCI controller on Vybrid SoCs. -if USB_EHCI_MX7 +if USB_EHCI_MX6 || USB_EHCI_MX7 config MXC_USB_OTG_HACTIVE bool "USB Power pin high active" diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index dd13528475..7feeff679c 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -48,7 +48,6 @@ obj-$(CONFIG_USB_XHCI_HCD) += xhci.o xhci-mem.o xhci-ring.o obj-$(CONFIG_USB_XHCI_DWC3) += xhci-dwc3.o obj-$(CONFIG_USB_XHCI_DWC3_OF_SIMPLE) += dwc3-of-simple.o obj-$(CONFIG_USB_XHCI_ROCKCHIP) += xhci-rockchip.o -obj-$(CONFIG_USB_XHCI_ZYNQMP) += xhci-zynqmp.o obj-$(CONFIG_USB_XHCI_EXYNOS) += xhci-exynos5.o obj-$(CONFIG_USB_XHCI_FSL) += xhci-fsl.o obj-$(CONFIG_USB_XHCI_MVEBU) += xhci-mvebu.o diff --git a/drivers/usb/host/ehci-mx6.c b/drivers/usb/host/ehci-mx6.c index e9e6ed596d..1993ad620a 100644 --- a/drivers/usb/host/ehci-mx6.c +++ b/drivers/usb/host/ehci-mx6.c @@ -64,10 +64,12 @@ DECLARE_GLOBAL_DATA_PTR; #define UCMD_RUN_STOP (1 << 0) /* controller run/stop */ #define UCMD_RESET (1 << 1) /* controller reset */ -#if defined(CONFIG_MX6) +#if defined(CONFIG_MX6) || defined(CONFIG_MX7ULP) static const unsigned phy_bases[] = { USB_PHY0_BASE_ADDR, +#if defined(USB_PHY1_BASE_ADDR) USB_PHY1_BASE_ADDR, +#endif }; static void usb_internal_phy_clock_gate(int index, int on) @@ -84,6 +86,20 @@ static void usb_internal_phy_clock_gate(int index, int on) static void usb_power_config(int index) { +#if defined(CONFIG_MX7ULP) + struct usbphy_regs __iomem *usbphy = + (struct usbphy_regs __iomem *)USB_PHY0_BASE_ADDR; + + if (index > 0) + return; + + writel(ANADIG_USB2_CHRG_DETECT_EN_B | + ANADIG_USB2_CHRG_DETECT_CHK_CHRG_B, + &usbphy->usb1_chrg_detect); + + scg_enable_usb_pll(true); + +#else struct anatop_regs __iomem *anatop = (struct anatop_regs __iomem *)ANATOP_BASE_ADDR; void __iomem *chrg_detect; @@ -123,6 +139,8 @@ static void usb_power_config(int index) ANADIG_USB2_PLL_480_CTRL_POWER | ANADIG_USB2_PLL_480_CTRL_EN_USB_CLKS, pll_480_ctrl_set); + +#endif } /* Return 0 : host node, <>0 : device mode */ @@ -185,6 +203,14 @@ int usb_phy_mode(int port) return USB_INIT_HOST; } +#if defined(CONFIG_MX7ULP) +struct usbnc_regs { + u32 ctrl1; + u32 ctrl2; + u32 reserve0[2]; + u32 hsic_ctrl; +}; +#else /* Base address for this IP block is 0x02184800 */ struct usbnc_regs { u32 ctrl[4]; /* otg/host1-3 */ @@ -193,6 +219,8 @@ struct usbnc_regs { u32 otg_phy_ctrl_0; u32 uh1_phy_ctrl_0; }; +#endif + #elif defined(CONFIG_MX7) struct usbnc_regs { u32 ctrl1; @@ -213,20 +241,12 @@ static void usb_power_config(int index) struct usbnc_regs *usbnc = (struct usbnc_regs *)(USB_BASE_ADDR + (0x10000 * index) + USBNC_OFFSET); void __iomem *phy_cfg2 = (void __iomem *)(&usbnc->phy_cfg2); - void __iomem *ctrl = (void __iomem *)(&usbnc->ctrl1); /* * Clear the ACAENB to enable usb_otg_id detection, * otherwise it is the ACA detection enabled. */ clrbits_le32(phy_cfg2, USBNC_PHYCFG2_ACAENB); - - /* Set power polarity to high active */ -#ifdef CONFIG_MXC_USB_OTG_HACTIVE - setbits_le32(ctrl, UCTRL_PWR_POL); -#else - clrbits_le32(ctrl, UCTRL_PWR_POL); -#endif } int usb_phy_mode(int port) @@ -251,7 +271,7 @@ static void usb_oc_config(int index) struct usbnc_regs *usbnc = (struct usbnc_regs *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET); void __iomem *ctrl = (void __iomem *)(&usbnc->ctrl[index]); -#elif defined(CONFIG_MX7) +#elif defined(CONFIG_MX7) || defined(CONFIG_MX7ULP) struct usbnc_regs *usbnc = (struct usbnc_regs *)(USB_BASE_ADDR + (0x10000 * index) + USBNC_OFFSET); void __iomem *ctrl = (void __iomem *)(&usbnc->ctrl1); @@ -265,6 +285,13 @@ static void usb_oc_config(int index) #endif setbits_le32(ctrl, UCTRL_OVER_CUR_DIS); + + /* Set power polarity to high active */ +#ifdef CONFIG_MXC_USB_OTG_HACTIVE + setbits_le32(ctrl, UCTRL_PWR_POL); +#else + clrbits_le32(ctrl, UCTRL_PWR_POL); +#endif } /** @@ -328,7 +355,7 @@ int ehci_mx6_common_init(struct usb_ehci *ehci, int index) usb_power_config(index); usb_oc_config(index); -#if defined(CONFIG_MX6) +#if defined(CONFIG_MX6) || defined(CONFIG_MX7ULP) usb_internal_phy_clock_gate(index, 1); usb_phy_enable(index, ehci); #endif @@ -343,7 +370,7 @@ int ehci_hcd_init(int index, enum usb_init_type init, enum usb_init_type type; #if defined(CONFIG_MX6) u32 controller_spacing = 0x200; -#elif defined(CONFIG_MX7) +#elif defined(CONFIG_MX7) || defined(CONFIG_MX7ULP) u32 controller_spacing = 0x10000; #endif struct usb_ehci *ehci = (struct usb_ehci *)(USB_BASE_ADDR + @@ -446,7 +473,7 @@ static int ehci_usb_phy_mode(struct udevice *dev) * About fsl,usbphy, Refer to * Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt. */ - if (is_mx6()) { + if (is_mx6() || is_mx7ulp()) { phy_off = fdtdec_lookup_phandle(blob, offset, "fsl,usbphy"); @@ -513,10 +540,11 @@ static int ehci_usb_bind(struct udevice *dev) * from which it derives offsets in the PHY and ANATOP register sets. * * Here we attempt to calculate these indexes from DT information as - * well as we can. The USB controllers on all existing iMX6/iMX7 SoCs - * are placed next to each other, at addresses incremented by 0x200. - * Thus, the index is derived from the multiple of 0x200 offset from - * the first controller address. + * well as we can. The USB controllers on all existing iMX6 SoCs + * are placed next to each other, at addresses incremented by 0x200, + * and iMX7 their addresses are shifted by 0x10000. + * Thus, the index is derived from the multiple of 0x200 (0x10000 for + * iMX7) offset from the first controller address. * * However, to complete conversion of this driver to DT probing, the * following has to be done: @@ -531,10 +559,10 @@ static int ehci_usb_bind(struct udevice *dev) * With these changes in place, the ad-hoc indexing goes away and * the driver is fully converted to DT probing. */ - fdt_size_t size; - fdt_addr_t addr = devfdt_get_addr_size_index(dev, 0, &size); + u32 controller_spacing = is_mx7() ? 0x10000 : 0x200; + fdt_addr_t addr = devfdt_get_addr_index(dev, 0); - dev->req_seq = (addr - USB_BASE_ADDR) / size; + dev->req_seq = (addr - USB_BASE_ADDR) / controller_spacing; return 0; } diff --git a/drivers/usb/host/xhci-dwc3.c b/drivers/usb/host/xhci-dwc3.c index 55a1b22cf6..c1c681ca6c 100644 --- a/drivers/usb/host/xhci-dwc3.c +++ b/drivers/usb/host/xhci-dwc3.c @@ -14,7 +14,7 @@ #include <usb.h> #include <dwc3-uboot.h> -#include "xhci.h" +#include <usb/xhci.h> #include <asm/io.h> #include <linux/usb/dwc3.h> #include <linux/usb/otg.h> diff --git a/drivers/usb/host/xhci-exynos5.c b/drivers/usb/host/xhci-exynos5.c index c150f520bd..25c30c24f0 100644 --- a/drivers/usb/host/xhci-exynos5.c +++ b/drivers/usb/host/xhci-exynos5.c @@ -27,7 +27,7 @@ #include <linux/compat.h> #include <linux/usb/dwc3.h> -#include "xhci.h" +#include <usb/xhci.h> /* Declare global data pointer */ DECLARE_GLOBAL_DATA_PTR; diff --git a/drivers/usb/host/xhci-fsl.c b/drivers/usb/host/xhci-fsl.c index c0b98a8ec7..9e0c1b76e4 100644 --- a/drivers/usb/host/xhci-fsl.c +++ b/drivers/usb/host/xhci-fsl.c @@ -13,7 +13,7 @@ #include <linux/compat.h> #include <linux/usb/xhci-fsl.h> #include <linux/usb/dwc3.h> -#include "xhci.h" +#include <usb/xhci.h> #include <fsl_errata.h> #include <fsl_usb.h> #include <dm.h> diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 84c2c3344a..530e979bb7 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -21,7 +21,7 @@ #include <asm/cache.h> #include <linux/errno.h> -#include "xhci.h" +#include <usb/xhci.h> #define CACHELINE_SIZE CONFIG_SYS_CACHELINE_SIZE /** diff --git a/drivers/usb/host/xhci-mvebu.c b/drivers/usb/host/xhci-mvebu.c index b6c6aaf78e..2b871046ae 100644 --- a/drivers/usb/host/xhci-mvebu.c +++ b/drivers/usb/host/xhci-mvebu.c @@ -12,7 +12,7 @@ #include <power/regulator.h> #include <asm/gpio.h> -#include "xhci.h" +#include <usb/xhci.h> struct mvebu_xhci_platdata { fdt_addr_t hcd_base; diff --git a/drivers/usb/host/xhci-omap.c b/drivers/usb/host/xhci-omap.c index db007af37f..25b195f7d1 100644 --- a/drivers/usb/host/xhci-omap.c +++ b/drivers/usb/host/xhci-omap.c @@ -19,7 +19,7 @@ #include <linux/usb/dwc3.h> #include <linux/usb/xhci-omap.h> -#include "xhci.h" +#include <usb/xhci.h> /* Declare global data pointer */ static struct omap_xhci omap; diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index b995aef997..c1f60da541 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -9,7 +9,7 @@ #include <dm.h> #include <pci.h> #include <usb.h> -#include "xhci.h" +#include <usb/xhci.h> static void xhci_pci_init(struct udevice *dev, struct xhci_hccr **ret_hccr, struct xhci_hcor **ret_hcor) diff --git a/drivers/usb/host/xhci-rcar.c b/drivers/usb/host/xhci-rcar.c index f2e91ef0fe..c4d8811343 100644 --- a/drivers/usb/host/xhci-rcar.c +++ b/drivers/usb/host/xhci-rcar.c @@ -12,7 +12,7 @@ #include <usb.h> #include <wait_bit.h> -#include "xhci.h" +#include <usb/xhci.h> #include "xhci-rcar-r8a779x_usb3_v3.h" /* Register Offset */ diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index b2cfd948f8..119b418487 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -19,7 +19,7 @@ #include <asm/unaligned.h> #include <linux/errno.h> -#include "xhci.h" +#include <usb/xhci.h> /** * Is this TRB a link TRB or was the last TRB the last TRB in this event ring diff --git a/drivers/usb/host/xhci-rockchip.c b/drivers/usb/host/xhci-rockchip.c index e7b0dbcca5..b67722fe45 100644 --- a/drivers/usb/host/xhci-rockchip.c +++ b/drivers/usb/host/xhci-rockchip.c @@ -13,7 +13,7 @@ #include <linux/usb/dwc3.h> #include <power/regulator.h> -#include "xhci.h" +#include <usb/xhci.h> struct rockchip_xhci_platdata { fdt_addr_t hcd_base; diff --git a/drivers/usb/host/xhci-zynqmp.c b/drivers/usb/host/xhci-zynqmp.c deleted file mode 100644 index e44e1ae1d9..0000000000 --- a/drivers/usb/host/xhci-zynqmp.c +++ /dev/null @@ -1,146 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright 2015 Xilinx, Inc. - * - * Zynq USB HOST xHCI Controller - * - * Author: Siva Durga Prasad Paladugu<sivadur@xilinx.com> - * - * This file was reused from Freescale USB xHCI - */ - -#include <common.h> -#include <dm.h> -#include <usb.h> -#include <linux/errno.h> -#include <asm/arch/hardware.h> -#include <linux/compat.h> -#include <linux/usb/dwc3.h> -#include "xhci.h" - -/* Declare global data pointer */ -/* Default to the ZYNQMP XHCI defines */ -#define USB3_PWRCTL_CLK_CMD_MASK 0x3FE000 -#define USB3_PWRCTL_CLK_FREQ_MASK 0xFFC -#define USB3_PHY_PARTIAL_RX_POWERON BIT(6) -#define USB3_PHY_RX_POWERON BIT(14) -#define USB3_PHY_TX_POWERON BIT(15) -#define USB3_PHY_TX_RX_POWERON (USB3_PHY_RX_POWERON | USB3_PHY_TX_POWERON) -#define USB3_PWRCTL_CLK_CMD_SHIFT 14 -#define USB3_PWRCTL_CLK_FREQ_SHIFT 22 - -/* USBOTGSS_WRAPPER definitions */ -#define USBOTGSS_WRAPRESET BIT(17) -#define USBOTGSS_DMADISABLE BIT(16) -#define USBOTGSS_STANDBYMODE_NO_STANDBY BIT(4) -#define USBOTGSS_STANDBYMODE_SMRT BIT(5) -#define USBOTGSS_STANDBYMODE_SMRT_WKUP (0x3 << 4) -#define USBOTGSS_IDLEMODE_NOIDLE BIT(2) -#define USBOTGSS_IDLEMODE_SMRT BIT(3) -#define USBOTGSS_IDLEMODE_SMRT_WKUP (0x3 << 2) - -/* USBOTGSS_IRQENABLE_SET_0 bit */ -#define USBOTGSS_COREIRQ_EN BIT(1) - -/* USBOTGSS_IRQENABLE_SET_1 bits */ -#define USBOTGSS_IRQ_SET_1_IDPULLUP_FALL_EN BIT(1) -#define USBOTGSS_IRQ_SET_1_DISCHRGVBUS_FALL_EN BIT(3) -#define USBOTGSS_IRQ_SET_1_CHRGVBUS_FALL_EN BIT(4) -#define USBOTGSS_IRQ_SET_1_DRVVBUS_FALL_EN BIT(5) -#define USBOTGSS_IRQ_SET_1_IDPULLUP_RISE_EN BIT(8) -#define USBOTGSS_IRQ_SET_1_DISCHRGVBUS_RISE_EN BIT(11) -#define USBOTGSS_IRQ_SET_1_CHRGVBUS_RISE_EN BIT(12) -#define USBOTGSS_IRQ_SET_1_DRVVBUS_RISE_EN BIT(13) -#define USBOTGSS_IRQ_SET_1_OEVT_EN BIT(16) -#define USBOTGSS_IRQ_SET_1_DMADISABLECLR_EN BIT(17) - -struct zynqmp_xhci { - struct usb_platdata usb_plat; - struct xhci_ctrl ctrl; - struct xhci_hccr *hcd; - struct dwc3 *dwc3_reg; -}; - -struct zynqmp_xhci_platdata { - fdt_addr_t hcd_base; -}; - -static int zynqmp_xhci_core_init(struct zynqmp_xhci *zynqmp_xhci) -{ - int ret = 0; - - ret = dwc3_core_init(zynqmp_xhci->dwc3_reg); - if (ret) { - debug("%s:failed to initialize core\n", __func__); - return ret; - } - - /* We are hard-coding DWC3 core to Host Mode */ - dwc3_set_mode(zynqmp_xhci->dwc3_reg, DWC3_GCTL_PRTCAP_HOST); - - return ret; -} - -void xhci_hcd_stop(int index) -{ - /* - * Currently zynqmp socs do not support PHY shutdown from - * sw. But this support may be added in future socs. - */ - - return; -} - -static int xhci_usb_probe(struct udevice *dev) -{ - struct zynqmp_xhci_platdata *plat = dev_get_platdata(dev); - struct zynqmp_xhci *ctx = dev_get_priv(dev); - struct xhci_hcor *hcor; - int ret; - - ctx->hcd = (struct xhci_hccr *)plat->hcd_base; - ctx->dwc3_reg = (struct dwc3 *)((char *)(ctx->hcd) + DWC3_REG_OFFSET); - - ret = zynqmp_xhci_core_init(ctx); - if (ret) { - puts("XHCI: failed to initialize controller\n"); - return -EINVAL; - } - - hcor = (struct xhci_hcor *)((ulong)ctx->hcd + - HC_LENGTH(xhci_readl(&ctx->hcd->cr_capbase))); - - return xhci_register(dev, ctx->hcd, hcor); -} - -static int xhci_usb_remove(struct udevice *dev) -{ - return xhci_deregister(dev); -} - -static int xhci_usb_ofdata_to_platdata(struct udevice *dev) -{ - struct zynqmp_xhci_platdata *plat = dev_get_platdata(dev); - const void *blob = gd->fdt_blob; - - /* Get the base address for XHCI controller from the device node */ - plat->hcd_base = fdtdec_get_addr(blob, dev_of_offset(dev), "reg"); - if (plat->hcd_base == FDT_ADDR_T_NONE) { - debug("Can't get the XHCI register base address\n"); - return -ENXIO; - } - - return 0; -} - -U_BOOT_DRIVER(dwc3_generic_host) = { - .name = "dwc3-generic-host", - .id = UCLASS_USB, - .ofdata_to_platdata = xhci_usb_ofdata_to_platdata, - .probe = xhci_usb_probe, - .remove = xhci_usb_remove, - .ops = &xhci_usb_ops, - .platdata_auto_alloc_size = sizeof(struct zynqmp_xhci_platdata), - .priv_auto_alloc_size = sizeof(struct zynqmp_xhci), - .flags = DM_FLAG_ALLOC_PRIV_DMA, -}; diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index b3e4dcd66f..abd23e23fd 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -28,7 +28,7 @@ #include <asm/cache.h> #include <asm/unaligned.h> #include <linux/errno.h> -#include "xhci.h" +#include <usb/xhci.h> #ifndef CONFIG_USB_MAX_CONTROLLER_COUNT #define CONFIG_USB_MAX_CONTROLLER_COUNT 1 diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h deleted file mode 100644 index 6017504488..0000000000 --- a/drivers/usb/host/xhci.h +++ /dev/null @@ -1,1292 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * USB HOST XHCI Controller - * - * Based on xHCI host controller driver in linux-kernel - * by Sarah Sharp. - * - * Copyright (C) 2008 Intel Corp. - * Author: Sarah Sharp - * - * Copyright (C) 2013 Samsung Electronics Co.Ltd - * Authors: Vivek Gautam <gautam.vivek@samsung.com> - * Vikas Sajjan <vikas.sajjan@samsung.com> - */ - -#ifndef HOST_XHCI_H_ -#define HOST_XHCI_H_ - -#include <asm/types.h> -#include <asm/cache.h> -#include <asm/io.h> -#include <linux/list.h> -#include <linux/compat.h> - -#define MAX_EP_CTX_NUM 31 -#define XHCI_ALIGNMENT 64 -/* Generic timeout for XHCI events */ -#define XHCI_TIMEOUT 5000 -/* Max number of USB devices for any host controller - limit in section 6.1 */ -#define MAX_HC_SLOTS 256 -/* Section 5.3.3 - MaxPorts */ -#define MAX_HC_PORTS 255 - -/* Up to 16 ms to halt an HC */ -#define XHCI_MAX_HALT_USEC (16*1000) - -#define XHCI_MAX_RESET_USEC (250*1000) - -/* - * These bits are Read Only (RO) and should be saved and written to the - * registers: 0, 3, 10:13, 30 - * connect status, over-current status, port speed, and device removable. - * connect status and port speed are also sticky - meaning they're in - * the AUX well and they aren't changed by a hot, warm, or cold reset. - */ -#define XHCI_PORT_RO ((1 << 0) | (1 << 3) | (0xf << 10) | (1 << 30)) -/* - * These bits are RW; writing a 0 clears the bit, writing a 1 sets the bit: - * bits 5:8, 9, 14:15, 25:27 - * link state, port power, port indicator state, "wake on" enable state - */ -#define XHCI_PORT_RWS ((0xf << 5) | (1 << 9) | (0x3 << 14) | (0x7 << 25)) -/* - * These bits are RW; writing a 1 sets the bit, writing a 0 has no effect: - * bit 4 (port reset) - */ -#define XHCI_PORT_RW1S ((1 << 4)) -/* - * These bits are RW; writing a 1 clears the bit, writing a 0 has no effect: - * bits 1, 17, 18, 19, 20, 21, 22, 23 - * port enable/disable, and - * change bits: connect, PED, - * warm port reset changed (reserved zero for USB 2.0 ports), - * over-current, reset, link state, and L1 change - */ -#define XHCI_PORT_RW1CS ((1 << 1) | (0x7f << 17)) -/* - * Bit 16 is RW, and writing a '1' to it causes the link state control to be - * latched in - */ -#define XHCI_PORT_RW ((1 << 16)) -/* - * These bits are Reserved Zero (RsvdZ) and zero should be written to them: - * bits 2, 24, 28:31 - */ -#define XHCI_PORT_RZ ((1 << 2) | (1 << 24) | (0xf << 28)) - -/* - * XHCI Register Space. - */ -struct xhci_hccr { - uint32_t cr_capbase; - uint32_t cr_hcsparams1; - uint32_t cr_hcsparams2; - uint32_t cr_hcsparams3; - uint32_t cr_hccparams; - uint32_t cr_dboff; - uint32_t cr_rtsoff; - -/* hc_capbase bitmasks */ -/* bits 7:0 - how long is the Capabilities register */ -#define HC_LENGTH(p) XHCI_HC_LENGTH(p) -/* bits 31:16 */ -#define HC_VERSION(p) (((p) >> 16) & 0xffff) - -/* HCSPARAMS1 - hcs_params1 - bitmasks */ -/* bits 0:7, Max Device Slots */ -#define HCS_MAX_SLOTS(p) (((p) >> 0) & 0xff) -#define HCS_SLOTS_MASK 0xff -/* bits 8:18, Max Interrupters */ -#define HCS_MAX_INTRS(p) (((p) >> 8) & 0x7ff) -/* bits 24:31, Max Ports - max value is 0x7F = 127 ports */ -#define HCS_MAX_PORTS_SHIFT 24 -#define HCS_MAX_PORTS_MASK (0xff << HCS_MAX_PORTS_SHIFT) -#define HCS_MAX_PORTS(p) (((p) >> 24) & 0xff) - -/* HCSPARAMS2 - hcs_params2 - bitmasks */ -/* bits 0:3, frames or uframes that SW needs to queue transactions - * ahead of the HW to meet periodic deadlines */ -#define HCS_IST(p) (((p) >> 0) & 0xf) -/* bits 4:7, max number of Event Ring segments */ -#define HCS_ERST_MAX(p) (((p) >> 4) & 0xf) -/* bits 21:25 Hi 5 bits of Scratchpad buffers SW must allocate for the HW */ -/* bit 26 Scratchpad restore - for save/restore HW state - not used yet */ -/* bits 27:31 Lo 5 bits of Scratchpad buffers SW must allocate for the HW */ -#define HCS_MAX_SCRATCHPAD(p) ((((p) >> 16) & 0x3e0) | (((p) >> 27) & 0x1f)) - -/* HCSPARAMS3 - hcs_params3 - bitmasks */ -/* bits 0:7, Max U1 to U0 latency for the roothub ports */ -#define HCS_U1_LATENCY(p) (((p) >> 0) & 0xff) -/* bits 16:31, Max U2 to U0 latency for the roothub ports */ -#define HCS_U2_LATENCY(p) (((p) >> 16) & 0xffff) - -/* HCCPARAMS - hcc_params - bitmasks */ -/* true: HC can use 64-bit address pointers */ -#define HCC_64BIT_ADDR(p) ((p) & (1 << 0)) -/* true: HC can do bandwidth negotiation */ -#define HCC_BANDWIDTH_NEG(p) ((p) & (1 << 1)) -/* true: HC uses 64-byte Device Context structures - * FIXME 64-byte context structures aren't supported yet. - */ -#define HCC_64BYTE_CONTEXT(p) ((p) & (1 << 2)) -/* true: HC has port power switches */ -#define HCC_PPC(p) ((p) & (1 << 3)) -/* true: HC has port indicators */ -#define HCS_INDICATOR(p) ((p) & (1 << 4)) -/* true: HC has Light HC Reset Capability */ -#define HCC_LIGHT_RESET(p) ((p) & (1 << 5)) -/* true: HC supports latency tolerance messaging */ -#define HCC_LTC(p) ((p) & (1 << 6)) -/* true: no secondary Stream ID Support */ -#define HCC_NSS(p) ((p) & (1 << 7)) -/* Max size for Primary Stream Arrays - 2^(n+1), where n is bits 12:15 */ -#define HCC_MAX_PSA(p) (1 << ((((p) >> 12) & 0xf) + 1)) -/* Extended Capabilities pointer from PCI base - section 5.3.6 */ -#define HCC_EXT_CAPS(p) XHCI_HCC_EXT_CAPS(p) - -/* db_off bitmask - bits 0:1 reserved */ -#define DBOFF_MASK (~0x3) - -/* run_regs_off bitmask - bits 0:4 reserved */ -#define RTSOFF_MASK (~0x1f) - -}; - -struct xhci_hcor_port_regs { - volatile uint32_t or_portsc; - volatile uint32_t or_portpmsc; - volatile uint32_t or_portli; - volatile uint32_t reserved_3; -}; - -struct xhci_hcor { - volatile uint32_t or_usbcmd; - volatile uint32_t or_usbsts; - volatile uint32_t or_pagesize; - volatile uint32_t reserved_0[2]; - volatile uint32_t or_dnctrl; - volatile uint64_t or_crcr; - volatile uint32_t reserved_1[4]; - volatile uint64_t or_dcbaap; - volatile uint32_t or_config; - volatile uint32_t reserved_2[241]; - struct xhci_hcor_port_regs portregs[MAX_HC_PORTS]; -}; - -/* USBCMD - USB command - command bitmasks */ -/* start/stop HC execution - do not write unless HC is halted*/ -#define CMD_RUN XHCI_CMD_RUN -/* Reset HC - resets internal HC state machine and all registers (except - * PCI config regs). HC does NOT drive a USB reset on the downstream ports. - * The xHCI driver must reinitialize the xHC after setting this bit. - */ -#define CMD_RESET (1 << 1) -/* Event Interrupt Enable - a '1' allows interrupts from the host controller */ -#define CMD_EIE XHCI_CMD_EIE -/* Host System Error Interrupt Enable - get out-of-band signal for HC errors */ -#define CMD_HSEIE XHCI_CMD_HSEIE -/* bits 4:6 are reserved (and should be preserved on writes). */ -/* light reset (port status stays unchanged) - reset completed when this is 0 */ -#define CMD_LRESET (1 << 7) -/* host controller save/restore state. */ -#define CMD_CSS (1 << 8) -#define CMD_CRS (1 << 9) -/* Enable Wrap Event - '1' means xHC generates an event when MFINDEX wraps. */ -#define CMD_EWE XHCI_CMD_EWE -/* MFINDEX power management - '1' means xHC can stop MFINDEX counter if all root - * hubs are in U3 (selective suspend), disconnect, disabled, or powered-off. - * '0' means the xHC can power it off if all ports are in the disconnect, - * disabled, or powered-off state. - */ -#define CMD_PM_INDEX (1 << 11) -/* bits 12:31 are reserved (and should be preserved on writes). */ - -/* USBSTS - USB status - status bitmasks */ -/* HC not running - set to 1 when run/stop bit is cleared. */ -#define STS_HALT XHCI_STS_HALT -/* serious error, e.g. PCI parity error. The HC will clear the run/stop bit. */ -#define STS_FATAL (1 << 2) -/* event interrupt - clear this prior to clearing any IP flags in IR set*/ -#define STS_EINT (1 << 3) -/* port change detect */ -#define STS_PORT (1 << 4) -/* bits 5:7 reserved and zeroed */ -/* save state status - '1' means xHC is saving state */ -#define STS_SAVE (1 << 8) -/* restore state status - '1' means xHC is restoring state */ -#define STS_RESTORE (1 << 9) -/* true: save or restore error */ -#define STS_SRE (1 << 10) -/* true: Controller Not Ready to accept doorbell or op reg writes after reset */ -#define STS_CNR XHCI_STS_CNR -/* true: internal Host Controller Error - SW needs to reset and reinitialize */ -#define STS_HCE (1 << 12) -/* bits 13:31 reserved and should be preserved */ - -/* - * DNCTRL - Device Notification Control Register - dev_notification bitmasks - * Generate a device notification event when the HC sees a transaction with a - * notification type that matches a bit set in this bit field. - */ -#define DEV_NOTE_MASK (0xffff) -#define ENABLE_DEV_NOTE(x) (1 << (x)) -/* Most of the device notification types should only be used for debug. - * SW does need to pay attention to function wake notifications. - */ -#define DEV_NOTE_FWAKE ENABLE_DEV_NOTE(1) - -/* CRCR - Command Ring Control Register - cmd_ring bitmasks */ -/* bit 0 is the command ring cycle state */ -/* stop ring operation after completion of the currently executing command */ -#define CMD_RING_PAUSE (1 << 1) -/* stop ring immediately - abort the currently executing command */ -#define CMD_RING_ABORT (1 << 2) -/* true: command ring is running */ -#define CMD_RING_RUNNING (1 << 3) -/* bits 4:5 reserved and should be preserved */ -/* Command Ring pointer - bit mask for the lower 32 bits. */ -#define CMD_RING_RSVD_BITS (0x3f) - -/* CONFIG - Configure Register - config_reg bitmasks */ -/* bits 0:7 - maximum number of device slots enabled (NumSlotsEn) */ -#define MAX_DEVS(p) ((p) & 0xff) -/* bits 8:31 - reserved and should be preserved */ - -/* PORTSC - Port Status and Control Register - port_status_base bitmasks */ -/* true: device connected */ -#define PORT_CONNECT (1 << 0) -/* true: port enabled */ -#define PORT_PE (1 << 1) -/* bit 2 reserved and zeroed */ -/* true: port has an over-current condition */ -#define PORT_OC (1 << 3) -/* true: port reset signaling asserted */ -#define PORT_RESET (1 << 4) -/* Port Link State - bits 5:8 - * A read gives the current link PM state of the port, - * a write with Link State Write Strobe set sets the link state. - */ -#define PORT_PLS_MASK (0xf << 5) -#define XDEV_U0 (0x0 << 5) -#define XDEV_U2 (0x2 << 5) -#define XDEV_U3 (0x3 << 5) -#define XDEV_RESUME (0xf << 5) -/* true: port has power (see HCC_PPC) */ -#define PORT_POWER (1 << 9) -/* bits 10:13 indicate device speed: - * 0 - undefined speed - port hasn't be initialized by a reset yet - * 1 - full speed - * 2 - low speed - * 3 - high speed - * 4 - super speed - * 5-15 reserved - */ -#define DEV_SPEED_MASK (0xf << 10) -#define XDEV_FS (0x1 << 10) -#define XDEV_LS (0x2 << 10) -#define XDEV_HS (0x3 << 10) -#define XDEV_SS (0x4 << 10) -#define DEV_UNDEFSPEED(p) (((p) & DEV_SPEED_MASK) == (0x0<<10)) -#define DEV_FULLSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_FS) -#define DEV_LOWSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_LS) -#define DEV_HIGHSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_HS) -#define DEV_SUPERSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_SS) -/* Bits 20:23 in the Slot Context are the speed for the device */ -#define SLOT_SPEED_FS (XDEV_FS << 10) -#define SLOT_SPEED_LS (XDEV_LS << 10) -#define SLOT_SPEED_HS (XDEV_HS << 10) -#define SLOT_SPEED_SS (XDEV_SS << 10) -/* Port Indicator Control */ -#define PORT_LED_OFF (0 << 14) -#define PORT_LED_AMBER (1 << 14) -#define PORT_LED_GREEN (2 << 14) -#define PORT_LED_MASK (3 << 14) -/* Port Link State Write Strobe - set this when changing link state */ -#define PORT_LINK_STROBE (1 << 16) -/* true: connect status change */ -#define PORT_CSC (1 << 17) -/* true: port enable change */ -#define PORT_PEC (1 << 18) -/* true: warm reset for a USB 3.0 device is done. A "hot" reset puts the port - * into an enabled state, and the device into the default state. A "warm" reset - * also resets the link, forcing the device through the link training sequence. - * SW can also look at the Port Reset register to see when warm reset is done. - */ -#define PORT_WRC (1 << 19) -/* true: over-current change */ -#define PORT_OCC (1 << 20) -/* true: reset change - 1 to 0 transition of PORT_RESET */ -#define PORT_RC (1 << 21) -/* port link status change - set on some port link state transitions: - * Transition Reason - * -------------------------------------------------------------------------- - * - U3 to Resume Wakeup signaling from a device - * - Resume to Recovery to U0 USB 3.0 device resume - * - Resume to U0 USB 2.0 device resume - * - U3 to Recovery to U0 Software resume of USB 3.0 device complete - * - U3 to U0 Software resume of USB 2.0 device complete - * - U2 to U0 L1 resume of USB 2.1 device complete - * - U0 to U0 (???) L1 entry rejection by USB 2.1 device - * - U0 to disabled L1 entry error with USB 2.1 device - * - Any state to inactive Error on USB 3.0 port - */ -#define PORT_PLC (1 << 22) -/* port configure error change - port failed to configure its link partner */ -#define PORT_CEC (1 << 23) -/* bit 24 reserved */ -/* wake on connect (enable) */ -#define PORT_WKCONN_E (1 << 25) -/* wake on disconnect (enable) */ -#define PORT_WKDISC_E (1 << 26) -/* wake on over-current (enable) */ -#define PORT_WKOC_E (1 << 27) -/* bits 28:29 reserved */ -/* true: device is removable - for USB 3.0 roothub emulation */ -#define PORT_DEV_REMOVE (1 << 30) -/* Initiate a warm port reset - complete when PORT_WRC is '1' */ -#define PORT_WR (1 << 31) - -/* We mark duplicate entries with -1 */ -#define DUPLICATE_ENTRY ((u8)(-1)) - -/* Port Power Management Status and Control - port_power_base bitmasks */ -/* Inactivity timer value for transitions into U1, in microseconds. - * Timeout can be up to 127us. 0xFF means an infinite timeout. - */ -#define PORT_U1_TIMEOUT(p) ((p) & 0xff) -/* Inactivity timer value for transitions into U2 */ -#define PORT_U2_TIMEOUT(p) (((p) & 0xff) << 8) -/* Bits 24:31 for port testing */ - -/* USB2 Protocol PORTSPMSC */ -#define PORT_L1S_MASK 7 -#define PORT_L1S_SUCCESS 1 -#define PORT_RWE (1 << 3) -#define PORT_HIRD(p) (((p) & 0xf) << 4) -#define PORT_HIRD_MASK (0xf << 4) -#define PORT_L1DS(p) (((p) & 0xff) << 8) -#define PORT_HLE (1 << 16) - -/** -* struct xhci_intr_reg - Interrupt Register Set -* @irq_pending: IMAN - Interrupt Management Register. Used to enable -* interrupts and check for pending interrupts. -* @irq_control: IMOD - Interrupt Moderation Register. -* Used to throttle interrupts. -* @erst_size: Number of segments in the - Event Ring Segment Table (ERST). -* @erst_base: ERST base address. -* @erst_dequeue: Event ring dequeue pointer. -* -* Each interrupter (defined by a MSI-X vector) has an event ring and an Event -* Ring Segment Table (ERST) associated with it. -* The event ring is comprised of multiple segments of the same size. -* The HC places events on the ring and "updates the Cycle bit in the TRBs to -* indicate to software the current position of the Enqueue Pointer." -* The HCD (Linux) processes those events and updates the dequeue pointer. -*/ -struct xhci_intr_reg { - volatile __le32 irq_pending; - volatile __le32 irq_control; - volatile __le32 erst_size; - volatile __le32 rsvd; - volatile __le64 erst_base; - volatile __le64 erst_dequeue; -}; - -/* irq_pending bitmasks */ -#define ER_IRQ_PENDING(p) ((p) & 0x1) -/* bits 2:31 need to be preserved */ -/* THIS IS BUGGY - FIXME - IP IS WRITE 1 TO CLEAR */ -#define ER_IRQ_CLEAR(p) ((p) & 0xfffffffe) -#define ER_IRQ_ENABLE(p) ((ER_IRQ_CLEAR(p)) | 0x2) -#define ER_IRQ_DISABLE(p) ((ER_IRQ_CLEAR(p)) & ~(0x2)) - -/* irq_control bitmasks */ -/* Minimum interval between interrupts (in 250ns intervals). The interval - * between interrupts will be longer if there are no events on the event ring. - * Default is 4000 (1 ms). - */ -#define ER_IRQ_INTERVAL_MASK (0xffff) -/* Counter used to count down the time to the next interrupt - HW use only */ -#define ER_IRQ_COUNTER_MASK (0xffff << 16) - -/* erst_size bitmasks */ -/* Preserve bits 16:31 of erst_size */ -#define ERST_SIZE_MASK (0xffff << 16) - -/* erst_dequeue bitmasks */ -/* Dequeue ERST Segment Index (DESI) - Segment number (or alias) - * where the current dequeue pointer lies. This is an optional HW hint. - */ -#define ERST_DESI_MASK (0x7) -/* Event Handler Busy (EHB) - is the event ring scheduled to be serviced by - * a work queue (or delayed service routine)? - */ -#define ERST_EHB (1 << 3) -#define ERST_PTR_MASK (0xf) - -/** - * struct xhci_run_regs - * @microframe_index: MFINDEX - current microframe number - * - * Section 5.5 Host Controller Runtime Registers: - * "Software should read and write these registers using only Dword (32 bit) - * or larger accesses" - */ -struct xhci_run_regs { - __le32 microframe_index; - __le32 rsvd[7]; - struct xhci_intr_reg ir_set[128]; -}; - -/** - * struct doorbell_array - * - * Bits 0 - 7: Endpoint target - * Bits 8 - 15: RsvdZ - * Bits 16 - 31: Stream ID - * - * Section 5.6 - */ -struct xhci_doorbell_array { - volatile __le32 doorbell[256]; -}; - -#define DB_VALUE(ep, stream) ((((ep) + 1) & 0xff) | ((stream) << 16)) -#define DB_VALUE_HOST 0x00000000 - -/** - * struct xhci_protocol_caps - * @revision: major revision, minor revision, capability ID, - * and next capability pointer. - * @name_string: Four ASCII characters to say which spec this xHC - * follows, typically "USB ". - * @port_info: Port offset, count, and protocol-defined information. - */ -struct xhci_protocol_caps { - u32 revision; - u32 name_string; - u32 port_info; -}; - -#define XHCI_EXT_PORT_MAJOR(x) (((x) >> 24) & 0xff) -#define XHCI_EXT_PORT_OFF(x) ((x) & 0xff) -#define XHCI_EXT_PORT_COUNT(x) (((x) >> 8) & 0xff) - -/** - * struct xhci_container_ctx - * @type: Type of context. Used to calculated offsets to contained contexts. - * @size: Size of the context data - * @bytes: The raw context data given to HW - * - * Represents either a Device or Input context. Holds a pointer to the raw - * memory used for the context (bytes). - */ -struct xhci_container_ctx { - unsigned type; -#define XHCI_CTX_TYPE_DEVICE 0x1 -#define XHCI_CTX_TYPE_INPUT 0x2 - - int size; - u8 *bytes; -}; - -/** - * struct xhci_slot_ctx - * @dev_info: Route string, device speed, hub info, and last valid endpoint - * @dev_info2: Max exit latency for device number, root hub port number - * @tt_info: tt_info is used to construct split transaction tokens - * @dev_state: slot state and device address - * - * Slot Context - section 6.2.1.1. This assumes the HC uses 32-byte context - * structures. If the HC uses 64-byte contexts, there is an additional 32 bytes - * reserved at the end of the slot context for HC internal use. - */ -struct xhci_slot_ctx { - __le32 dev_info; - __le32 dev_info2; - __le32 tt_info; - __le32 dev_state; - /* offset 0x10 to 0x1f reserved for HC internal use */ - __le32 reserved[4]; -}; - -/* dev_info bitmasks */ -/* Route String - 0:19 */ -#define ROUTE_STRING_MASK (0xfffff) -/* Device speed - values defined by PORTSC Device Speed field - 20:23 */ -#define DEV_SPEED (0xf << 20) -/* bit 24 reserved */ -/* Is this LS/FS device connected through a HS hub? - bit 25 */ -#define DEV_MTT (0x1 << 25) -/* Set if the device is a hub - bit 26 */ -#define DEV_HUB (0x1 << 26) -/* Index of the last valid endpoint context in this device context - 27:31 */ -#define LAST_CTX_MASK (0x1f << 27) -#define LAST_CTX(p) ((p) << 27) -#define LAST_CTX_TO_EP_NUM(p) (((p) >> 27) - 1) -#define SLOT_FLAG (1 << 0) -#define EP0_FLAG (1 << 1) - -/* dev_info2 bitmasks */ -/* Max Exit Latency (ms) - worst case time to wake up all links in dev path */ -#define MAX_EXIT (0xffff) -/* Root hub port number that is needed to access the USB device */ -#define ROOT_HUB_PORT(p) (((p) & 0xff) << 16) -#define ROOT_HUB_PORT_MASK (0xff) -#define ROOT_HUB_PORT_SHIFT (16) -#define DEVINFO_TO_ROOT_HUB_PORT(p) (((p) >> 16) & 0xff) -/* Maximum number of ports under a hub device */ -#define XHCI_MAX_PORTS(p) (((p) & 0xff) << 24) - -/* tt_info bitmasks */ -/* - * TT Hub Slot ID - for low or full speed devices attached to a high-speed hub - * The Slot ID of the hub that isolates the high speed signaling from - * this low or full-speed device. '0' if attached to root hub port. - */ -#define TT_SLOT(p) (((p) & 0xff) << 0) -/* - * The number of the downstream facing port of the high-speed hub - * '0' if the device is not low or full speed. - */ -#define TT_PORT(p) (((p) & 0xff) << 8) -#define TT_THINK_TIME(p) (((p) & 0x3) << 16) - -/* dev_state bitmasks */ -/* USB device address - assigned by the HC */ -#define DEV_ADDR_MASK (0xff) -/* bits 8:26 reserved */ -/* Slot state */ -#define SLOT_STATE (0x1f << 27) -#define GET_SLOT_STATE(p) (((p) & (0x1f << 27)) >> 27) - -#define SLOT_STATE_DISABLED 0 -#define SLOT_STATE_ENABLED SLOT_STATE_DISABLED -#define SLOT_STATE_DEFAULT 1 -#define SLOT_STATE_ADDRESSED 2 -#define SLOT_STATE_CONFIGURED 3 - -/** - * struct xhci_ep_ctx - * @ep_info: endpoint state, streams, mult, and interval information. - * @ep_info2: information on endpoint type, max packet size, max burst size, - * error count, and whether the HC will force an event for all - * transactions. - * @deq: 64-bit ring dequeue pointer address. If the endpoint only - * defines one stream, this points to the endpoint transfer ring. - * Otherwise, it points to a stream context array, which has a - * ring pointer for each flow. - * @tx_info: - * Average TRB lengths for the endpoint ring and - * max payload within an Endpoint Service Interval Time (ESIT). - * - * Endpoint Context - section 6.2.1.2.This assumes the HC uses 32-byte context - * structures.If the HC uses 64-byte contexts, there is an additional 32 bytes - * reserved at the end of the endpoint context for HC internal use. - */ -struct xhci_ep_ctx { - __le32 ep_info; - __le32 ep_info2; - __le64 deq; - __le32 tx_info; - /* offset 0x14 - 0x1f reserved for HC internal use */ - __le32 reserved[3]; -}; - -/* ep_info bitmasks */ -/* - * Endpoint State - bits 0:2 - * 0 - disabled - * 1 - running - * 2 - halted due to halt condition - ok to manipulate endpoint ring - * 3 - stopped - * 4 - TRB error - * 5-7 - reserved - */ -#define EP_STATE_MASK (0xf) -#define EP_STATE_DISABLED 0 -#define EP_STATE_RUNNING 1 -#define EP_STATE_HALTED 2 -#define EP_STATE_STOPPED 3 -#define EP_STATE_ERROR 4 -/* Mult - Max number of burtst within an interval, in EP companion desc. */ -#define EP_MULT(p) (((p) & 0x3) << 8) -#define CTX_TO_EP_MULT(p) (((p) >> 8) & 0x3) -/* bits 10:14 are Max Primary Streams */ -/* bit 15 is Linear Stream Array */ -/* Interval - period between requests to an endpoint - 125u increments. */ -#define EP_INTERVAL(p) (((p) & 0xff) << 16) -#define EP_INTERVAL_TO_UFRAMES(p) (1 << (((p) >> 16) & 0xff)) -#define CTX_TO_EP_INTERVAL(p) (((p) >> 16) & 0xff) -#define EP_MAXPSTREAMS_MASK (0x1f << 10) -#define EP_MAXPSTREAMS(p) (((p) << 10) & EP_MAXPSTREAMS_MASK) -/* Endpoint is set up with a Linear Stream Array (vs. Secondary Stream Array) */ -#define EP_HAS_LSA (1 << 15) - -/* ep_info2 bitmasks */ -/* - * Force Event - generate transfer events for all TRBs for this endpoint - * This will tell the HC to ignore the IOC and ISP flags (for debugging only). - */ -#define FORCE_EVENT (0x1) -#define ERROR_COUNT(p) (((p) & 0x3) << 1) -#define ERROR_COUNT_SHIFT (1) -#define ERROR_COUNT_MASK (0x3) -#define CTX_TO_EP_TYPE(p) (((p) >> 3) & 0x7) -#define EP_TYPE(p) ((p) << 3) -#define EP_TYPE_SHIFT (3) -#define ISOC_OUT_EP 1 -#define BULK_OUT_EP 2 -#define INT_OUT_EP 3 -#define CTRL_EP 4 -#define ISOC_IN_EP 5 -#define BULK_IN_EP 6 -#define INT_IN_EP 7 -/* bit 6 reserved */ -/* bit 7 is Host Initiate Disable - for disabling stream selection */ -#define MAX_BURST(p) (((p)&0xff) << 8) -#define MAX_BURST_MASK (0xff) -#define MAX_BURST_SHIFT (8) -#define CTX_TO_MAX_BURST(p) (((p) >> 8) & 0xff) -#define MAX_PACKET(p) (((p)&0xffff) << 16) -#define MAX_PACKET_MASK (0xffff) -#define MAX_PACKET_DECODED(p) (((p) >> 16) & 0xffff) -#define MAX_PACKET_SHIFT (16) - -/* Get max packet size from ep desc. Bit 10..0 specify the max packet size. - * USB2.0 spec 9.6.6. - */ -#define GET_MAX_PACKET(p) ((p) & 0x7ff) - -/* tx_info bitmasks */ -#define EP_AVG_TRB_LENGTH(p) ((p) & 0xffff) -#define EP_MAX_ESIT_PAYLOAD_LO(p) (((p) & 0xffff) << 16) -#define EP_MAX_ESIT_PAYLOAD_HI(p) ((((p) >> 16) & 0xff) << 24) -#define CTX_TO_MAX_ESIT_PAYLOAD(p) (((p) >> 16) & 0xffff) - -/* deq bitmasks */ -#define EP_CTX_CYCLE_MASK (1 << 0) - - -/** - * struct xhci_input_control_context - * Input control context; see section 6.2.5. - * - * @drop_context: set the bit of the endpoint context you want to disable - * @add_context: set the bit of the endpoint context you want to enable - */ -struct xhci_input_control_ctx { - volatile __le32 drop_flags; - volatile __le32 add_flags; - __le32 rsvd2[6]; -}; - - -/** - * struct xhci_device_context_array - * @dev_context_ptr array of 64-bit DMA addresses for device contexts - */ -struct xhci_device_context_array { - /* 64-bit device addresses; we only write 32-bit addresses */ - __le64 dev_context_ptrs[MAX_HC_SLOTS]; -}; -/* TODO: write function to set the 64-bit device DMA address */ -/* - * TODO: change this to be dynamically sized at HC mem init time since the HC - * might not be able to handle the maximum number of devices possible. - */ - - -struct xhci_transfer_event { - /* 64-bit buffer address, or immediate data */ - __le64 buffer; - __le32 transfer_len; - /* This field is interpreted differently based on the type of TRB */ - volatile __le32 flags; -}; - -/* Transfer event TRB length bit mask */ -/* bits 0:23 */ -#define EVENT_TRB_LEN(p) ((p) & 0xffffff) - -/** Transfer Event bit fields **/ -#define TRB_TO_EP_ID(p) (((p) >> 16) & 0x1f) - -/* Completion Code - only applicable for some types of TRBs */ -#define COMP_CODE_MASK (0xff << 24) -#define COMP_CODE_SHIFT (24) -#define GET_COMP_CODE(p) (((p) & COMP_CODE_MASK) >> 24) - -typedef enum { - COMP_SUCCESS = 1, - /* Data Buffer Error */ - COMP_DB_ERR, /* 2 */ - /* Babble Detected Error */ - COMP_BABBLE, /* 3 */ - /* USB Transaction Error */ - COMP_TX_ERR, /* 4 */ - /* TRB Error - some TRB field is invalid */ - COMP_TRB_ERR, /* 5 */ - /* Stall Error - USB device is stalled */ - COMP_STALL, /* 6 */ - /* Resource Error - HC doesn't have memory for that device configuration */ - COMP_ENOMEM, /* 7 */ - /* Bandwidth Error - not enough room in schedule for this dev config */ - COMP_BW_ERR, /* 8 */ - /* No Slots Available Error - HC ran out of device slots */ - COMP_ENOSLOTS, /* 9 */ - /* Invalid Stream Type Error */ - COMP_STREAM_ERR, /* 10 */ - /* Slot Not Enabled Error - doorbell rung for disabled device slot */ - COMP_EBADSLT, /* 11 */ - /* Endpoint Not Enabled Error */ - COMP_EBADEP,/* 12 */ - /* Short Packet */ - COMP_SHORT_TX, /* 13 */ - /* Ring Underrun - doorbell rung for an empty isoc OUT ep ring */ - COMP_UNDERRUN, /* 14 */ - /* Ring Overrun - isoc IN ep ring is empty when ep is scheduled to RX */ - COMP_OVERRUN, /* 15 */ - /* Virtual Function Event Ring Full Error */ - COMP_VF_FULL, /* 16 */ - /* Parameter Error - Context parameter is invalid */ - COMP_EINVAL, /* 17 */ - /* Bandwidth Overrun Error - isoc ep exceeded its allocated bandwidth */ - COMP_BW_OVER,/* 18 */ - /* Context State Error - illegal context state transition requested */ - COMP_CTX_STATE,/* 19 */ - /* No Ping Response Error - HC didn't get PING_RESPONSE in time to TX */ - COMP_PING_ERR,/* 20 */ - /* Event Ring is full */ - COMP_ER_FULL,/* 21 */ - /* Incompatible Device Error */ - COMP_DEV_ERR,/* 22 */ - /* Missed Service Error - HC couldn't service an isoc ep within interval */ - COMP_MISSED_INT,/* 23 */ - /* Successfully stopped command ring */ - COMP_CMD_STOP, /* 24 */ - /* Successfully aborted current command and stopped command ring */ - COMP_CMD_ABORT, /* 25 */ - /* Stopped - transfer was terminated by a stop endpoint command */ - COMP_STOP,/* 26 */ - /* Same as COMP_EP_STOPPED, but the transferred length in the event - * is invalid */ - COMP_STOP_INVAL, /* 27*/ - /* Control Abort Error - Debug Capability - control pipe aborted */ - COMP_DBG_ABORT, /* 28 */ - /* Max Exit Latency Too Large Error */ - COMP_MEL_ERR,/* 29 */ - /* TRB type 30 reserved */ - /* Isoc Buffer Overrun - an isoc IN ep sent more data than could fit in TD */ - COMP_BUFF_OVER = 31, - /* Event Lost Error - xHC has an "internal event overrun condition" */ - COMP_ISSUES, /* 32 */ - /* Undefined Error - reported when other error codes don't apply */ - COMP_UNKNOWN, /* 33 */ - /* Invalid Stream ID Error */ - COMP_STRID_ERR, /* 34 */ - /* Secondary Bandwidth Error - may be returned by a Configure Endpoint cmd */ - COMP_2ND_BW_ERR, /* 35 */ - /* Split Transaction Error */ - COMP_SPLIT_ERR /* 36 */ - -} xhci_comp_code; - -struct xhci_link_trb { - /* 64-bit segment pointer*/ - volatile __le64 segment_ptr; - volatile __le32 intr_target; - volatile __le32 control; -}; - -/* control bitfields */ -#define LINK_TOGGLE (0x1 << 1) - -/* Command completion event TRB */ -struct xhci_event_cmd { - /* Pointer to command TRB, or the value passed by the event data trb */ - volatile __le64 cmd_trb; - volatile __le32 status; - volatile __le32 flags; -}; - -/* flags bitmasks */ -/* bits 16:23 are the virtual function ID */ -/* bits 24:31 are the slot ID */ -#define TRB_TO_SLOT_ID(p) (((p) & (0xff << 24)) >> 24) -#define TRB_TO_SLOT_ID_SHIFT (24) -#define TRB_TO_SLOT_ID_MASK (0xff << TRB_TO_SLOT_ID_SHIFT) -#define SLOT_ID_FOR_TRB(p) (((p) & 0xff) << 24) -#define SLOT_ID_FOR_TRB_MASK (0xff) -#define SLOT_ID_FOR_TRB_SHIFT (24) - -/* Stop Endpoint TRB - ep_index to endpoint ID for this TRB */ -#define TRB_TO_EP_INDEX(p) ((((p) & (0x1f << 16)) >> 16) - 1) -#define EP_ID_FOR_TRB(p) ((((p) + 1) & 0x1f) << 16) - -#define SUSPEND_PORT_FOR_TRB(p) (((p) & 1) << 23) -#define TRB_TO_SUSPEND_PORT(p) (((p) & (1 << 23)) >> 23) -#define LAST_EP_INDEX 30 - -/* Set TR Dequeue Pointer command TRB fields */ -#define TRB_TO_STREAM_ID(p) ((((p) & (0xffff << 16)) >> 16)) -#define STREAM_ID_FOR_TRB(p) ((((p)) & 0xffff) << 16) - - -/* Port Status Change Event TRB fields */ -/* Port ID - bits 31:24 */ -#define GET_PORT_ID(p) (((p) & (0xff << 24)) >> 24) -#define PORT_ID_SHIFT (24) -#define PORT_ID_MASK (0xff << PORT_ID_SHIFT) - -/* Normal TRB fields */ -/* transfer_len bitmasks - bits 0:16 */ -#define TRB_LEN(p) ((p) & 0x1ffff) -#define TRB_LEN_MASK (0x1ffff) -/* Interrupter Target - which MSI-X vector to target the completion event at */ -#define TRB_INTR_TARGET_SHIFT (22) -#define TRB_INTR_TARGET_MASK (0x3ff) -#define TRB_INTR_TARGET(p) (((p) & 0x3ff) << 22) -#define GET_INTR_TARGET(p) (((p) >> 22) & 0x3ff) -#define TRB_TBC(p) (((p) & 0x3) << 7) -#define TRB_TLBPC(p) (((p) & 0xf) << 16) - -/* Cycle bit - indicates TRB ownership by HC or HCD */ -#define TRB_CYCLE (1<<0) -/* - * Force next event data TRB to be evaluated before task switch. - * Used to pass OS data back after a TD completes. - */ -#define TRB_ENT (1<<1) -/* Interrupt on short packet */ -#define TRB_ISP (1<<2) -/* Set PCIe no snoop attribute */ -#define TRB_NO_SNOOP (1<<3) -/* Chain multiple TRBs into a TD */ -#define TRB_CHAIN (1<<4) -/* Interrupt on completion */ -#define TRB_IOC (1<<5) -/* The buffer pointer contains immediate data */ -#define TRB_IDT (1<<6) - -/* Block Event Interrupt */ -#define TRB_BEI (1<<9) - -/* Control transfer TRB specific fields */ -#define TRB_DIR_IN (1<<16) -#define TRB_TX_TYPE(p) ((p) << 16) -#define TRB_TX_TYPE_SHIFT (16) -#define TRB_DATA_OUT 2 -#define TRB_DATA_IN 3 - -/* Isochronous TRB specific fields */ -#define TRB_SIA (1 << 31) - -struct xhci_generic_trb { - volatile __le32 field[4]; -}; - -union xhci_trb { - struct xhci_link_trb link; - struct xhci_transfer_event trans_event; - struct xhci_event_cmd event_cmd; - struct xhci_generic_trb generic; -}; - -/* TRB bit mask */ -#define TRB_TYPE_BITMASK (0xfc00) -#define TRB_TYPE(p) ((p) << 10) -#define TRB_TYPE_SHIFT (10) -#define TRB_FIELD_TO_TYPE(p) (((p) & TRB_TYPE_BITMASK) >> 10) - -/* TRB type IDs */ -typedef enum { - /* bulk, interrupt, isoc scatter/gather, and control data stage */ - TRB_NORMAL = 1, - /* setup stage for control transfers */ - TRB_SETUP, /* 2 */ - /* data stage for control transfers */ - TRB_DATA, /* 3 */ - /* status stage for control transfers */ - TRB_STATUS, /* 4 */ - /* isoc transfers */ - TRB_ISOC, /* 5 */ - /* TRB for linking ring segments */ - TRB_LINK, /* 6 */ - /* TRB for EVENT DATA */ - TRB_EVENT_DATA, /* 7 */ - /* Transfer Ring No-op (not for the command ring) */ - TRB_TR_NOOP, /* 8 */ - /* Command TRBs */ - /* Enable Slot Command */ - TRB_ENABLE_SLOT, /* 9 */ - /* Disable Slot Command */ - TRB_DISABLE_SLOT, /* 10 */ - /* Address Device Command */ - TRB_ADDR_DEV, /* 11 */ - /* Configure Endpoint Command */ - TRB_CONFIG_EP, /* 12 */ - /* Evaluate Context Command */ - TRB_EVAL_CONTEXT, /* 13 */ - /* Reset Endpoint Command */ - TRB_RESET_EP, /* 14 */ - /* Stop Transfer Ring Command */ - TRB_STOP_RING, /* 15 */ - /* Set Transfer Ring Dequeue Pointer Command */ - TRB_SET_DEQ, /* 16 */ - /* Reset Device Command */ - TRB_RESET_DEV, /* 17 */ - /* Force Event Command (opt) */ - TRB_FORCE_EVENT, /* 18 */ - /* Negotiate Bandwidth Command (opt) */ - TRB_NEG_BANDWIDTH, /* 19 */ - /* Set Latency Tolerance Value Command (opt) */ - TRB_SET_LT, /* 20 */ - /* Get port bandwidth Command */ - TRB_GET_BW, /* 21 */ - /* Force Header Command - generate a transaction or link management packet */ - TRB_FORCE_HEADER, /* 22 */ - /* No-op Command - not for transfer rings */ - TRB_CMD_NOOP, /* 23 */ - /* TRB IDs 24-31 reserved */ - /* Event TRBS */ - /* Transfer Event */ - TRB_TRANSFER = 32, - /* Command Completion Event */ - TRB_COMPLETION, /* 33 */ - /* Port Status Change Event */ - TRB_PORT_STATUS, /* 34 */ - /* Bandwidth Request Event (opt) */ - TRB_BANDWIDTH_EVENT, /* 35 */ - /* Doorbell Event (opt) */ - TRB_DOORBELL, /* 36 */ - /* Host Controller Event */ - TRB_HC_EVENT, /* 37 */ - /* Device Notification Event - device sent function wake notification */ - TRB_DEV_NOTE, /* 38 */ - /* MFINDEX Wrap Event - microframe counter wrapped */ - TRB_MFINDEX_WRAP, /* 39 */ - /* TRB IDs 40-47 reserved, 48-63 is vendor-defined */ - /* Nec vendor-specific command completion event. */ - TRB_NEC_CMD_COMP = 48, /* 48 */ - /* Get NEC firmware revision. */ - TRB_NEC_GET_FW, /* 49 */ -} trb_type; - -#define TRB_TYPE_LINK(x) (((x) & TRB_TYPE_BITMASK) == TRB_TYPE(TRB_LINK)) -/* Above, but for __le32 types -- can avoid work by swapping constants: */ -#define TRB_TYPE_LINK_LE32(x) (((x) & cpu_to_le32(TRB_TYPE_BITMASK)) == \ - cpu_to_le32(TRB_TYPE(TRB_LINK))) -#define TRB_TYPE_NOOP_LE32(x) (((x) & cpu_to_le32(TRB_TYPE_BITMASK)) == \ - cpu_to_le32(TRB_TYPE(TRB_TR_NOOP))) - -/* - * TRBS_PER_SEGMENT must be a multiple of 4, - * since the command ring is 64-byte aligned. - * It must also be greater than 16. - */ -#define TRBS_PER_SEGMENT 64 -/* Allow two commands + a link TRB, along with any reserved command TRBs */ -#define MAX_RSVD_CMD_TRBS (TRBS_PER_SEGMENT - 3) -#define SEGMENT_SIZE (TRBS_PER_SEGMENT*16) -/* SEGMENT_SHIFT should be log2(SEGMENT_SIZE). - * Change this if you change TRBS_PER_SEGMENT! - */ -#define SEGMENT_SHIFT 10 -/* TRB buffer pointers can't cross 64KB boundaries */ -#define TRB_MAX_BUFF_SHIFT 16 -#define TRB_MAX_BUFF_SIZE (1 << TRB_MAX_BUFF_SHIFT) - -struct xhci_segment { - union xhci_trb *trbs; - /* private to HCD */ - struct xhci_segment *next; -}; - -struct xhci_ring { - struct xhci_segment *first_seg; - union xhci_trb *enqueue; - struct xhci_segment *enq_seg; - union xhci_trb *dequeue; - struct xhci_segment *deq_seg; - /* - * Write the cycle state into the TRB cycle field to give ownership of - * the TRB to the host controller (if we are the producer), or to check - * if we own the TRB (if we are the consumer). See section 4.9.1. - */ - volatile u32 cycle_state; - unsigned int num_segs; -}; - -struct xhci_erst_entry { - /* 64-bit event ring segment address */ - __le64 seg_addr; - __le32 seg_size; - /* Set to zero */ - __le32 rsvd; -}; - -struct xhci_erst { - struct xhci_erst_entry *entries; - unsigned int num_entries; - /* Num entries the ERST can contain */ - unsigned int erst_size; -}; - -struct xhci_scratchpad { - u64 *sp_array; -}; - -/* - * Each segment table entry is 4*32bits long. 1K seems like an ok size: - * (1K bytes * 8bytes/bit) / (4*32 bits) = 64 segment entries in the table, - * meaning 64 ring segments. - * Initial allocated size of the ERST, in number of entries */ -#define ERST_NUM_SEGS 1 -/* Initial number of event segment rings allocated */ -#define ERST_ENTRIES 1 -/* Initial allocated size of the ERST, in number of entries */ -#define ERST_SIZE 64 -/* Poll every 60 seconds */ -#define POLL_TIMEOUT 60 -/* Stop endpoint command timeout (secs) for URB cancellation watchdog timer */ -#define XHCI_STOP_EP_CMD_TIMEOUT 5 -/* XXX: Make these module parameters */ - -struct xhci_virt_ep { - struct xhci_ring *ring; - unsigned int ep_state; -#define SET_DEQ_PENDING (1 << 0) -#define EP_HALTED (1 << 1) /* For stall handling */ -#define EP_HALT_PENDING (1 << 2) /* For URB cancellation */ -/* Transitioning the endpoint to using streams, don't enqueue URBs */ -#define EP_GETTING_STREAMS (1 << 3) -#define EP_HAS_STREAMS (1 << 4) -/* Transitioning the endpoint to not using streams, don't enqueue URBs */ -#define EP_GETTING_NO_STREAMS (1 << 5) -}; - -#define CTX_SIZE(_hcc) (HCC_64BYTE_CONTEXT(_hcc) ? 64 : 32) - -struct xhci_virt_device { - struct usb_device *udev; - /* - * Commands to the hardware are passed an "input context" that - * tells the hardware what to change in its data structures. - * The hardware will return changes in an "output context" that - * software must allocate for the hardware. We need to keep - * track of input and output contexts separately because - * these commands might fail and we don't trust the hardware. - */ - struct xhci_container_ctx *out_ctx; - /* Used for addressing devices and configuration changes */ - struct xhci_container_ctx *in_ctx; - /* Rings saved to ensure old alt settings can be re-instated */ -#define XHCI_MAX_RINGS_CACHED 31 - struct xhci_virt_ep eps[31]; -}; - -/* TODO: copied from ehci.h - can be refactored? */ -/* xHCI spec says all registers are little endian */ -static inline unsigned int xhci_readl(uint32_t volatile *regs) -{ - return readl(regs); -} - -static inline void xhci_writel(uint32_t volatile *regs, const unsigned int val) -{ - writel(val, regs); -} - -/* - * Registers should always be accessed with double word or quad word accesses. - * Some xHCI implementations may support 64-bit address pointers. Registers - * with 64-bit address pointers should be written to with dword accesses by - * writing the low dword first (ptr[0]), then the high dword (ptr[1]) second. - * xHCI implementations that do not support 64-bit address pointers will ignore - * the high dword, and write order is irrelevant. - */ -static inline u64 xhci_readq(__le64 volatile *regs) -{ -#if BITS_PER_LONG == 64 - return readq(regs); -#else - __u32 *ptr = (__u32 *)regs; - u64 val_lo = readl(ptr); - u64 val_hi = readl(ptr + 1); - return val_lo + (val_hi << 32); -#endif -} - -static inline void xhci_writeq(__le64 volatile *regs, const u64 val) -{ -#if BITS_PER_LONG == 64 - writeq(val, regs); -#else - __u32 *ptr = (__u32 *)regs; - u32 val_lo = lower_32_bits(val); - /* FIXME */ - u32 val_hi = upper_32_bits(val); - writel(val_lo, ptr); - writel(val_hi, ptr + 1); -#endif -} - -int xhci_hcd_init(int index, struct xhci_hccr **ret_hccr, - struct xhci_hcor **ret_hcor); -void xhci_hcd_stop(int index); - - -/************************************************************* - EXTENDED CAPABILITY DEFINITIONS -*************************************************************/ -/* Up to 16 ms to halt an HC */ -#define XHCI_MAX_HALT_USEC (16*1000) -/* HC not running - set to 1 when run/stop bit is cleared. */ -#define XHCI_STS_HALT (1 << 0) - -/* HCCPARAMS offset from PCI base address */ -#define XHCI_HCC_PARAMS_OFFSET 0x10 -/* HCCPARAMS contains the first extended capability pointer */ -#define XHCI_HCC_EXT_CAPS(p) (((p)>>16)&0xffff) - -/* Command and Status registers offset from the Operational Registers address */ -#define XHCI_CMD_OFFSET 0x00 -#define XHCI_STS_OFFSET 0x04 - -#define XHCI_MAX_EXT_CAPS 50 - -/* Capability Register */ -/* bits 7:0 - how long is the Capabilities register */ -#define XHCI_HC_LENGTH(p) (((p) >> 00) & 0x00ff) - -/* Extended capability register fields */ -#define XHCI_EXT_CAPS_ID(p) (((p) >> 0) & 0xff) -#define XHCI_EXT_CAPS_NEXT(p) (((p) >> 8) & 0xff) -#define XHCI_EXT_CAPS_VAL(p) ((p) >> 16) -/* Extended capability IDs - ID 0 reserved */ -#define XHCI_EXT_CAPS_LEGACY 1 -#define XHCI_EXT_CAPS_PROTOCOL 2 -#define XHCI_EXT_CAPS_PM 3 -#define XHCI_EXT_CAPS_VIRT 4 -#define XHCI_EXT_CAPS_ROUTE 5 -/* IDs 6-9 reserved */ -#define XHCI_EXT_CAPS_DEBUG 10 -/* USB Legacy Support Capability - section 7.1.1 */ -#define XHCI_HC_BIOS_OWNED (1 << 16) -#define XHCI_HC_OS_OWNED (1 << 24) - -/* USB Legacy Support Capability - section 7.1.1 */ -/* Add this offset, plus the value of xECP in HCCPARAMS to the base address */ -#define XHCI_LEGACY_SUPPORT_OFFSET (0x00) - -/* USB Legacy Support Control and Status Register - section 7.1.2 */ -/* Add this offset, plus the value of xECP in HCCPARAMS to the base address */ -#define XHCI_LEGACY_CONTROL_OFFSET (0x04) -/* bits 1:2, 5:12, and 17:19 need to be preserved; bits 21:28 should be zero */ -#define XHCI_LEGACY_DISABLE_SMI ((0x3 << 1) + (0xff << 5) + (0x7 << 17)) - -/* USB 2.0 xHCI 0.96 L1C capability - section 7.2.2.1.3.2 */ -#define XHCI_L1C (1 << 16) - -/* USB 2.0 xHCI 1.0 hardware LMP capability - section 7.2.2.1.3.2 */ -#define XHCI_HLC (1 << 19) - -/* command register values to disable interrupts and halt the HC */ -/* start/stop HC execution - do not write unless HC is halted*/ -#define XHCI_CMD_RUN (1 << 0) -/* Event Interrupt Enable - get irq when EINT bit is set in USBSTS register */ -#define XHCI_CMD_EIE (1 << 2) -/* Host System Error Interrupt Enable - get irq when HSEIE bit set in USBSTS */ -#define XHCI_CMD_HSEIE (1 << 3) -/* Enable Wrap Event - '1' means xHC generates an event when MFINDEX wraps. */ -#define XHCI_CMD_EWE (1 << 10) - -#define XHCI_IRQS (XHCI_CMD_EIE | XHCI_CMD_HSEIE | XHCI_CMD_EWE) - -/* true: Controller Not Ready to accept doorbell or op reg writes after reset */ -#define XHCI_STS_CNR (1 << 11) - -struct xhci_ctrl { -#if CONFIG_IS_ENABLED(DM_USB) - struct udevice *dev; -#endif - struct xhci_hccr *hccr; /* R/O registers, not need for volatile */ - struct xhci_hcor *hcor; - struct xhci_doorbell_array *dba; - struct xhci_run_regs *run_regs; - struct xhci_device_context_array *dcbaa \ - __attribute__ ((aligned(ARCH_DMA_MINALIGN))); - struct xhci_ring *event_ring; - struct xhci_ring *cmd_ring; - struct xhci_ring *transfer_ring; - struct xhci_segment *seg; - struct xhci_intr_reg *ir_set; - struct xhci_erst erst; - struct xhci_erst_entry entry[ERST_NUM_SEGS]; - struct xhci_scratchpad *scratchpad; - struct xhci_virt_device *devs[MAX_HC_SLOTS]; - int rootdev; -}; - -unsigned long trb_addr(struct xhci_segment *seg, union xhci_trb *trb); -struct xhci_input_control_ctx - *xhci_get_input_control_ctx(struct xhci_container_ctx *ctx); -struct xhci_slot_ctx *xhci_get_slot_ctx(struct xhci_ctrl *ctrl, - struct xhci_container_ctx *ctx); -struct xhci_ep_ctx *xhci_get_ep_ctx(struct xhci_ctrl *ctrl, - struct xhci_container_ctx *ctx, - unsigned int ep_index); -void xhci_endpoint_copy(struct xhci_ctrl *ctrl, - struct xhci_container_ctx *in_ctx, - struct xhci_container_ctx *out_ctx, - unsigned int ep_index); -void xhci_slot_copy(struct xhci_ctrl *ctrl, - struct xhci_container_ctx *in_ctx, - struct xhci_container_ctx *out_ctx); -void xhci_setup_addressable_virt_dev(struct xhci_ctrl *ctrl, - struct usb_device *udev, int hop_portnr); -void xhci_queue_command(struct xhci_ctrl *ctrl, u8 *ptr, - u32 slot_id, u32 ep_index, trb_type cmd); -void xhci_acknowledge_event(struct xhci_ctrl *ctrl); -union xhci_trb *xhci_wait_for_event(struct xhci_ctrl *ctrl, trb_type expected); -int xhci_bulk_tx(struct usb_device *udev, unsigned long pipe, - int length, void *buffer); -int xhci_ctrl_tx(struct usb_device *udev, unsigned long pipe, - struct devrequest *req, int length, void *buffer); -int xhci_check_maxpacket(struct usb_device *udev); -void xhci_flush_cache(uintptr_t addr, u32 type_len); -void xhci_inval_cache(uintptr_t addr, u32 type_len); -void xhci_cleanup(struct xhci_ctrl *ctrl); -struct xhci_ring *xhci_ring_alloc(unsigned int num_segs, bool link_trbs); -int xhci_alloc_virt_device(struct xhci_ctrl *ctrl, unsigned int slot_id); -int xhci_mem_init(struct xhci_ctrl *ctrl, struct xhci_hccr *hccr, - struct xhci_hcor *hcor); - -/** - * xhci_deregister() - Unregister an XHCI controller - * - * @dev: Controller device - * @return 0 if registered, -ve on error - */ -int xhci_deregister(struct udevice *dev); - -/** - * xhci_register() - Register a new XHCI controller - * - * @dev: Controller device - * @hccr: Host controller control registers - * @hcor: Not sure what this means - * @return 0 if registered, -ve on error - */ -int xhci_register(struct udevice *dev, struct xhci_hccr *hccr, - struct xhci_hcor *hcor); - -extern struct dm_usb_ops xhci_usb_ops; - -struct xhci_ctrl *xhci_get_ctrl(struct usb_device *udev); - -#endif /* HOST_XHCI_H_ */ diff --git a/drivers/usb/phy/omap_usb_phy.c b/drivers/usb/phy/omap_usb_phy.c index 32e5bbb8d8..897e6f19f7 100644 --- a/drivers/usb/phy/omap_usb_phy.c +++ b/drivers/usb/phy/omap_usb_phy.c @@ -19,7 +19,7 @@ #include <linux/usb/dwc3.h> #include <linux/usb/xhci-omap.h> -#include "../host/xhci.h" +#include <usb/xhci.h> #ifdef CONFIG_OMAP_USB3PHY1_HOST struct usb3_dpll_params { |