diff options
Diffstat (limited to 'drivers/usb/host')
-rw-r--r-- | drivers/usb/host/Kconfig | 1 | ||||
-rw-r--r-- | drivers/usb/host/ehci-sunxi.c | 66 | ||||
-rw-r--r-- | drivers/usb/host/ohci-sunxi.c | 72 | ||||
-rw-r--r-- | drivers/usb/host/xhci-rcar.c | 5 | ||||
-rw-r--r-- | drivers/usb/host/xhci-rockchip.c | 16 | ||||
-rw-r--r-- | drivers/usb/host/xhci-zynqmp.c | 87 | ||||
-rw-r--r-- | drivers/usb/host/xhci.c | 14 |
7 files changed, 168 insertions, 93 deletions
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 3455e8113bb..b4dd005651c 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -75,6 +75,7 @@ config USB_XHCI_STI 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. diff --git a/drivers/usb/host/ehci-sunxi.c b/drivers/usb/host/ehci-sunxi.c index 1297fdb6a71..360efc91160 100644 --- a/drivers/usb/host/ehci-sunxi.c +++ b/drivers/usb/host/ehci-sunxi.c @@ -11,34 +11,62 @@ #include <common.h> #include <asm/arch/clock.h> -#include <asm/arch/usb_phy.h> #include <asm/io.h> #include <dm.h> #include "ehci.h" +#include <generic-phy.h> #ifdef CONFIG_SUNXI_GEN_SUN4I -#define BASE_DIST 0x8000 #define AHB_CLK_DIST 2 #else -#define BASE_DIST 0x1000 #define AHB_CLK_DIST 1 #endif struct ehci_sunxi_priv { struct ehci_ctrl ehci; + struct sunxi_ccm_reg *ccm; int ahb_gate_mask; /* Mask of ahb_gate0 clk gate bits for this hcd */ - int phy_index; /* Index of the usb-phy attached to this hcd */ + struct phy phy; }; static int ehci_usb_probe(struct udevice *dev) { - struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; struct usb_platdata *plat = dev_get_platdata(dev); struct ehci_sunxi_priv *priv = dev_get_priv(dev); struct ehci_hccr *hccr = (struct ehci_hccr *)devfdt_get_addr(dev); struct ehci_hcor *hcor; int extra_ahb_gate_mask = 0; + int phys, ret; + priv->ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + if (IS_ERR(priv->ccm)) + return PTR_ERR(priv->ccm); + + phys = dev_count_phandle_with_args(dev, "phys", "#phy-cells"); + if (phys < 0) { + phys = 0; + goto no_phy; + } + + ret = generic_phy_get_by_name(dev, "usb", &priv->phy); + if (ret) { + pr_err("failed to get %s usb PHY\n", dev->name); + return ret; + } + + ret = generic_phy_init(&priv->phy); + if (ret) { + pr_err("failed to init %s USB PHY\n", dev->name); + return ret; + } + + ret = generic_phy_power_on(&priv->phy); + if (ret) { + pr_err("failed to power on %s USB PHY\n", dev->name); + return ret; + } + +no_phy: /* * This should go away once we've moved to the driver model for * clocks resp. phys. @@ -47,21 +75,16 @@ static int ehci_usb_probe(struct udevice *dev) #if defined(CONFIG_MACH_SUNXI_H3_H5) || defined(CONFIG_MACH_SUN50I) extra_ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_OHCI0; #endif - priv->phy_index = ((uintptr_t)hccr - SUNXI_USB1_BASE) / BASE_DIST; - priv->ahb_gate_mask <<= priv->phy_index * AHB_CLK_DIST; - extra_ahb_gate_mask <<= priv->phy_index * AHB_CLK_DIST; - priv->phy_index++; /* Non otg phys start at 1 */ + priv->ahb_gate_mask <<= phys * AHB_CLK_DIST; + extra_ahb_gate_mask <<= phys * AHB_CLK_DIST; - setbits_le32(&ccm->ahb_gate0, + setbits_le32(&priv->ccm->ahb_gate0, priv->ahb_gate_mask | extra_ahb_gate_mask); #ifdef CONFIG_SUNXI_GEN_SUN6I - setbits_le32(&ccm->ahb_reset0_cfg, + setbits_le32(&priv->ccm->ahb_reset0_cfg, priv->ahb_gate_mask | extra_ahb_gate_mask); #endif - sunxi_usb_phy_init(priv->phy_index); - sunxi_usb_phy_power_on(priv->phy_index); - hcor = (struct ehci_hcor *)((uintptr_t)hccr + HC_LENGTH(ehci_readl(&hccr->cr_capbase))); @@ -70,20 +93,25 @@ static int ehci_usb_probe(struct udevice *dev) static int ehci_usb_remove(struct udevice *dev) { - struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; struct ehci_sunxi_priv *priv = dev_get_priv(dev); int ret; + if (generic_phy_valid(&priv->phy)) { + ret = generic_phy_exit(&priv->phy); + if (ret) { + pr_err("failed to exit %s USB PHY\n", dev->name); + return ret; + } + } + ret = ehci_deregister(dev); if (ret) return ret; - sunxi_usb_phy_exit(priv->phy_index); - #ifdef CONFIG_SUNXI_GEN_SUN6I - clrbits_le32(&ccm->ahb_reset0_cfg, priv->ahb_gate_mask); + clrbits_le32(&priv->ccm->ahb_reset0_cfg, priv->ahb_gate_mask); #endif - clrbits_le32(&ccm->ahb_gate0, priv->ahb_gate_mask); + clrbits_le32(&priv->ccm->ahb_gate0, priv->ahb_gate_mask); return 0; } diff --git a/drivers/usb/host/ohci-sunxi.c b/drivers/usb/host/ohci-sunxi.c index b78fad29a35..ce2b47a5c4b 100644 --- a/drivers/usb/host/ohci-sunxi.c +++ b/drivers/usb/host/ohci-sunxi.c @@ -10,35 +10,63 @@ #include <common.h> #include <asm/arch/clock.h> -#include <asm/arch/usb_phy.h> #include <asm/io.h> #include <dm.h> #include <usb.h> #include "ohci.h" +#include <generic-phy.h> #ifdef CONFIG_SUNXI_GEN_SUN4I -#define BASE_DIST 0x8000 #define AHB_CLK_DIST 2 #else -#define BASE_DIST 0x1000 #define AHB_CLK_DIST 1 #endif struct ohci_sunxi_priv { + struct sunxi_ccm_reg *ccm; ohci_t ohci; int ahb_gate_mask; /* Mask of ahb_gate0 clk gate bits for this hcd */ int usb_gate_mask; /* Mask of usb_clk_cfg clk gate bits for this hcd */ - int phy_index; /* Index of the usb-phy attached to this hcd */ + struct phy phy; }; static int ohci_usb_probe(struct udevice *dev) { - struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; struct usb_bus_priv *bus_priv = dev_get_uclass_priv(dev); struct ohci_sunxi_priv *priv = dev_get_priv(dev); struct ohci_regs *regs = (struct ohci_regs *)devfdt_get_addr(dev); int extra_ahb_gate_mask = 0; + int phys, ret; + priv->ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + if (IS_ERR(priv->ccm)) + return PTR_ERR(priv->ccm); + + phys = dev_count_phandle_with_args(dev, "phys", "#phy-cells"); + if (phys < 0) { + phys = 0; + goto no_phy; + } + + ret = generic_phy_get_by_name(dev, "usb", &priv->phy); + if (ret) { + pr_err("failed to get %s usb PHY\n", dev->name); + return ret; + } + + ret = generic_phy_init(&priv->phy); + if (ret) { + pr_err("failed to init %s USB PHY\n", dev->name); + return ret; + } + + ret = generic_phy_power_on(&priv->phy); + if (ret) { + pr_err("failed to power on %s USB PHY\n", dev->name); + return ret; + } + +no_phy: bus_priv->companion = true; /* @@ -50,43 +78,43 @@ static int ohci_usb_probe(struct udevice *dev) extra_ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_EHCI0; #endif priv->usb_gate_mask = CCM_USB_CTRL_OHCI0_CLK; - priv->phy_index = ((uintptr_t)regs - (SUNXI_USB1_BASE + 0x400)) / BASE_DIST; - priv->ahb_gate_mask <<= priv->phy_index * AHB_CLK_DIST; - extra_ahb_gate_mask <<= priv->phy_index * AHB_CLK_DIST; - priv->usb_gate_mask <<= priv->phy_index; - priv->phy_index++; /* Non otg phys start at 1 */ + priv->ahb_gate_mask <<= phys * AHB_CLK_DIST; + extra_ahb_gate_mask <<= phys * AHB_CLK_DIST; + priv->usb_gate_mask <<= phys; - setbits_le32(&ccm->ahb_gate0, + setbits_le32(&priv->ccm->ahb_gate0, priv->ahb_gate_mask | extra_ahb_gate_mask); - setbits_le32(&ccm->usb_clk_cfg, priv->usb_gate_mask); + setbits_le32(&priv->ccm->usb_clk_cfg, priv->usb_gate_mask); #ifdef CONFIG_SUNXI_GEN_SUN6I - setbits_le32(&ccm->ahb_reset0_cfg, + setbits_le32(&priv->ccm->ahb_reset0_cfg, priv->ahb_gate_mask | extra_ahb_gate_mask); #endif - sunxi_usb_phy_init(priv->phy_index); - sunxi_usb_phy_power_on(priv->phy_index); - return ohci_register(dev, regs); } static int ohci_usb_remove(struct udevice *dev) { - struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; struct ohci_sunxi_priv *priv = dev_get_priv(dev); int ret; + if (generic_phy_valid(&priv->phy)) { + ret = generic_phy_exit(&priv->phy); + if (ret) { + pr_err("failed to exit %s USB PHY\n", dev->name); + return ret; + } + } + ret = ohci_deregister(dev); if (ret) return ret; - sunxi_usb_phy_exit(priv->phy_index); - #ifdef CONFIG_SUNXI_GEN_SUN6I - clrbits_le32(&ccm->ahb_reset0_cfg, priv->ahb_gate_mask); + clrbits_le32(&priv->ccm->ahb_reset0_cfg, priv->ahb_gate_mask); #endif - clrbits_le32(&ccm->usb_clk_cfg, priv->usb_gate_mask); - clrbits_le32(&ccm->ahb_gate0, priv->ahb_gate_mask); + clrbits_le32(&priv->ccm->usb_clk_cfg, priv->usb_gate_mask); + clrbits_le32(&priv->ccm->ahb_gate0, priv->ahb_gate_mask); return 0; } diff --git a/drivers/usb/host/xhci-rcar.c b/drivers/usb/host/xhci-rcar.c index a837afc483b..f2e91ef0feb 100644 --- a/drivers/usb/host/xhci-rcar.c +++ b/drivers/usb/host/xhci-rcar.c @@ -117,12 +117,15 @@ err_clk: static int xhci_rcar_deregister(struct udevice *dev) { + int ret; struct rcar_xhci_platdata *plat = dev_get_platdata(dev); + ret = xhci_deregister(dev); + clk_disable(&plat->clk); clk_free(&plat->clk); - return xhci_deregister(dev); + return ret; } static int xhci_rcar_ofdata_to_platdata(struct udevice *dev) diff --git a/drivers/usb/host/xhci-rockchip.c b/drivers/usb/host/xhci-rockchip.c index 060a6c43092..f19bea3a91b 100644 --- a/drivers/usb/host/xhci-rockchip.c +++ b/drivers/usb/host/xhci-rockchip.c @@ -17,7 +17,6 @@ struct rockchip_xhci_platdata { fdt_addr_t hcd_base; - fdt_addr_t phy_base; struct udevice *vbus_supply; }; @@ -35,7 +34,6 @@ struct rockchip_xhci { static int xhci_usb_ofdata_to_platdata(struct udevice *dev) { struct rockchip_xhci_platdata *plat = dev_get_platdata(dev); - struct udevice *child; int ret = 0; /* @@ -47,20 +45,6 @@ static int xhci_usb_ofdata_to_platdata(struct udevice *dev) return -ENXIO; } - /* Get the base address for usbphy from the device node */ - for (device_find_first_child(dev, &child); child; - device_find_next_child(&child)) { - if (!device_is_compatible(child, "rockchip,rk3399-usb3-phy")) - continue; - plat->phy_base = devfdt_get_addr(child); - break; - } - - if (plat->phy_base == FDT_ADDR_T_NONE) { - pr_err("Can't get the usbphy register address\n"); - return -ENXIO; - } - /* Vbus regulator */ ret = device_get_supply_regulator(dev, "vbus-supply", &plat->vbus_supply); diff --git a/drivers/usb/host/xhci-zynqmp.c b/drivers/usb/host/xhci-zynqmp.c index 1723d2f6862..e44e1ae1d91 100644 --- a/drivers/usb/host/xhci-zynqmp.c +++ b/drivers/usb/host/xhci-zynqmp.c @@ -10,9 +10,10 @@ */ #include <common.h> +#include <dm.h> #include <usb.h> #include <linux/errno.h> -#include <asm/arch-zynqmp/hardware.h> +#include <asm/arch/hardware.h> #include <linux/compat.h> #include <linux/usb/dwc3.h> #include "xhci.h" @@ -54,13 +55,15 @@ #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; }; -static struct zynqmp_xhci zynqmp_xhci; - -unsigned long ctr_addr[] = CONFIG_ZYNQMP_XHCI_LIST; +struct zynqmp_xhci_platdata { + fdt_addr_t hcd_base; +}; static int zynqmp_xhci_core_init(struct zynqmp_xhci *zynqmp_xhci) { @@ -78,46 +81,66 @@ static int zynqmp_xhci_core_init(struct zynqmp_xhci *zynqmp_xhci) return ret; } -int xhci_hcd_init(int index, struct xhci_hccr **hccr, struct xhci_hcor **hcor) +void xhci_hcd_stop(int index) { - struct zynqmp_xhci *ctx = &zynqmp_xhci; - int ret = 0; - uint32_t hclen; + /* + * Currently zynqmp socs do not support PHY shutdown from + * sw. But this support may be added in future socs. + */ - if (index < 0 || index >= ARRAY_SIZE(ctr_addr)) - return -EINVAL; + return; +} - ctx->hcd = (struct xhci_hccr *)ctr_addr[index]; - ctx->dwc3_reg = (struct dwc3 *)((void *)ctx->hcd + DWC3_REG_OFFSET); +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; - ret = board_usb_init(index, USB_INIT_HOST); - if (ret != 0) { - puts("Failed to initialize board for USB\n"); - return 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 < 0) { - puts("Failed to initialize xhci\n"); - return ret; + if (ret) { + puts("XHCI: failed to initialize controller\n"); + return -EINVAL; } - *hccr = (struct xhci_hccr *)ctx->hcd; - hclen = HC_LENGTH(xhci_readl(&(*hccr)->cr_capbase)); - *hcor = (struct xhci_hcor *)((uintptr_t) *hccr + hclen); + hcor = (struct xhci_hcor *)((ulong)ctx->hcd + + HC_LENGTH(xhci_readl(&ctx->hcd->cr_capbase))); - debug("zynqmp-xhci: init hccr %p and hcor %p hc_length %d\n", - *hccr, *hcor, hclen); + return xhci_register(dev, ctx->hcd, hcor); +} - return ret; +static int xhci_usb_remove(struct udevice *dev) +{ + return xhci_deregister(dev); } -void xhci_hcd_stop(int index) +static int xhci_usb_ofdata_to_platdata(struct udevice *dev) { - /* - * Currently zynqmp socs do not support PHY shutdown from - * sw. But this support may be added in future socs. - */ + 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; + 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 3adb0028f2a..9ded14cc3cb 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -536,7 +536,7 @@ static int xhci_set_configuration(struct usb_device *udev) /* slot context */ xhci_slot_copy(ctrl, in_ctx, out_ctx); slot_ctx = xhci_get_slot_ctx(ctrl, in_ctx); - slot_ctx->dev_info &= ~(LAST_CTX_MASK); + slot_ctx->dev_info &= ~(cpu_to_le32(LAST_CTX_MASK)); slot_ctx->dev_info |= cpu_to_le32(LAST_CTX(max_ep_flag + 1) | 0); xhci_endpoint_copy(ctrl, in_ctx, out_ctx, 0); @@ -1424,7 +1424,7 @@ static int xhci_update_hub_device(struct udevice *dev, struct usb_device *udev) ctrl_ctx = xhci_get_input_control_ctx(in_ctx); /* Initialize the input context control */ - ctrl_ctx->add_flags |= cpu_to_le32(SLOT_FLAG); + ctrl_ctx->add_flags = cpu_to_le32(SLOT_FLAG); ctrl_ctx->drop_flags = 0; xhci_inval_cache((uintptr_t)out_ctx->bytes, out_ctx->size); @@ -1435,8 +1435,15 @@ static int xhci_update_hub_device(struct udevice *dev, struct usb_device *udev) /* Update hub related fields */ slot_ctx->dev_info |= cpu_to_le32(DEV_HUB); - if (hub->tt.multi && udev->speed == USB_SPEED_HIGH) + /* + * refer to section 6.2.2: MTT should be 0 for full speed hub, + * but it may be already set to 1 when setup an xHCI virtual + * device, so clear it anyway. + */ + if (hub->tt.multi) slot_ctx->dev_info |= cpu_to_le32(DEV_MTT); + else if (udev->speed == USB_SPEED_FULL) + slot_ctx->dev_info &= cpu_to_le32(~DEV_MTT); slot_ctx->dev_info2 |= cpu_to_le32(XHCI_MAX_PORTS(udev->maxchild)); /* * Set TT think time - convert from ns to FS bit times. @@ -1452,6 +1459,7 @@ static int xhci_update_hub_device(struct udevice *dev, struct usb_device *udev) think_time = (think_time / 666) - 1; if (udev->speed == USB_SPEED_HIGH) slot_ctx->tt_info |= cpu_to_le32(TT_THINK_TIME(think_time)); + slot_ctx->dev_state = 0; return xhci_configure_endpoints(udev, false); } |