diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/usb/host/Makefile | 2 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-sunxi.c | 204 | ||||
| -rw-r--r-- | drivers/usb/host/ohci-sunxi.c | 233 | ||||
| -rw-r--r-- | drivers/usb/musb-new/sunxi.c | 79 |
5 files changed, 41 insertions, 479 deletions
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index a213c918bc..60f37f40fd 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -190,6 +190,7 @@ config USB_EHCI_GENERIC bool "Support for generic EHCI USB controller" depends on OF_CONTROL depends on DM_USB + default ARCH_SUNXI default n ---help--- Enables support for generic EHCI controller. @@ -220,6 +221,7 @@ config USB_OHCI_GENERIC bool "Support for generic OHCI USB controller" depends on OF_CONTROL depends on DM_USB + default ARCH_SUNXI select USB_HOST ---help--- Enables support for generic OHCI controller. diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index 948683a52b..6aa574f6f7 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -15,7 +15,6 @@ obj-$(CONFIG_USB_OHCI_DA8XX) += ohci-da8xx.o obj-$(CONFIG_USB_R8A66597_HCD) += r8a66597-hcd.o obj-$(CONFIG_USB_SL811HS) += sl811-hcd.o obj-$(CONFIG_USB_OHCI_EP93XX) += ohci-ep93xx.o -obj-$(CONFIG_USB_OHCI_SUNXI) += ohci-sunxi.o obj-$(CONFIG_USB_OHCI_LPC32XX) += ohci-lpc32xx.o obj-$(CONFIG_USB_OHCI_GENERIC) += ohci-generic.o @@ -37,7 +36,6 @@ obj-$(CONFIG_USB_EHCI_MARVELL) += ehci-marvell.o obj-$(CONFIG_USB_EHCI_MSM) += ehci-msm.o obj-$(CONFIG_USB_EHCI_PCI) += ehci-pci.o obj-$(CONFIG_USB_EHCI_SPEAR) += ehci-spear.o -obj-$(CONFIG_USB_EHCI_SUNXI) += ehci-sunxi.o obj-$(CONFIG_USB_EHCI_TEGRA) += ehci-tegra.o obj-$(CONFIG_USB_EHCI_VCT) += ehci-vct.o obj-$(CONFIG_USB_EHCI_VF) += ehci-vf.o diff --git a/drivers/usb/host/ehci-sunxi.c b/drivers/usb/host/ehci-sunxi.c deleted file mode 100644 index 7a79931a97..0000000000 --- a/drivers/usb/host/ehci-sunxi.c +++ /dev/null @@ -1,204 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Sunxi ehci glue - * - * Copyright (C) 2015 Hans de Goede <hdegoede@redhat.com> - * Copyright (C) 2014 Roman Byshko <rbyshko@gmail.com> - * - * Based on code from - * Allwinner Technology Co., Ltd. <www.allwinnertech.com> - */ - -#include <common.h> -#include <asm/arch/clock.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 - -#define SUN6I_AHB_RESET0_CFG_OFFSET 0x2c0 -#define SUN9I_AHB_RESET0_CFG_OFFSET 0x5a0 - -struct ehci_sunxi_cfg { - bool has_reset; - u32 extra_ahb_gate_mask; - u32 reset0_cfg_offset; -}; - -struct ehci_sunxi_priv { - struct ehci_ctrl ehci; - struct sunxi_ccm_reg *ccm; - u32 *reset0_cfg; - int ahb_gate_mask; /* Mask of ahb_gate0 clk gate bits for this hcd */ - struct phy phy; - const struct ehci_sunxi_cfg *cfg; -}; - -static int ehci_usb_probe(struct udevice *dev) -{ - 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; - u8 reg_mask = 0; - int phys, ret; - - priv->cfg = (const struct ehci_sunxi_cfg *)dev_get_driver_data(dev); - priv->ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; - if (IS_ERR(priv->ccm)) - return PTR_ERR(priv->ccm); - - priv->reset0_cfg = (void *)priv->ccm + - priv->cfg->reset0_cfg_offset; - - 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. - */ - reg_mask = ((uintptr_t)hccr - SUNXI_USB1_BASE) / BASE_DIST; - priv->ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_EHCI0; - extra_ahb_gate_mask = priv->cfg->extra_ahb_gate_mask; - priv->ahb_gate_mask <<= reg_mask * AHB_CLK_DIST; - extra_ahb_gate_mask <<= reg_mask * AHB_CLK_DIST; - - setbits_le32(&priv->ccm->ahb_gate0, - priv->ahb_gate_mask | extra_ahb_gate_mask); - if (priv->cfg->has_reset) - setbits_le32(priv->reset0_cfg, - priv->ahb_gate_mask | extra_ahb_gate_mask); - - hcor = (struct ehci_hcor *)((uintptr_t)hccr + - HC_LENGTH(ehci_readl(&hccr->cr_capbase))); - - return ehci_register(dev, hccr, hcor, NULL, 0, plat->init_type); -} - -static int ehci_usb_remove(struct udevice *dev) -{ - 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; - - if (priv->cfg->has_reset) - clrbits_le32(priv->reset0_cfg, priv->ahb_gate_mask); - clrbits_le32(&priv->ccm->ahb_gate0, priv->ahb_gate_mask); - - return 0; -} - -static const struct ehci_sunxi_cfg sun4i_a10_cfg = { - .has_reset = false, -}; - -static const struct ehci_sunxi_cfg sun6i_a31_cfg = { - .has_reset = true, - .reset0_cfg_offset = SUN6I_AHB_RESET0_CFG_OFFSET, -}; - -static const struct ehci_sunxi_cfg sun8i_h3_cfg = { - .has_reset = true, - .extra_ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_OHCI0, - .reset0_cfg_offset = SUN6I_AHB_RESET0_CFG_OFFSET, -}; - -static const struct ehci_sunxi_cfg sun9i_a80_cfg = { - .has_reset = true, - .reset0_cfg_offset = SUN9I_AHB_RESET0_CFG_OFFSET, -}; - -static const struct udevice_id ehci_usb_ids[] = { - { - .compatible = "allwinner,sun4i-a10-ehci", - .data = (ulong)&sun4i_a10_cfg, - }, - { - .compatible = "allwinner,sun5i-a13-ehci", - .data = (ulong)&sun4i_a10_cfg, - }, - { - .compatible = "allwinner,sun6i-a31-ehci", - .data = (ulong)&sun6i_a31_cfg, - }, - { - .compatible = "allwinner,sun7i-a20-ehci", - .data = (ulong)&sun4i_a10_cfg, - }, - { - .compatible = "allwinner,sun8i-a23-ehci", - .data = (ulong)&sun6i_a31_cfg, - }, - { - .compatible = "allwinner,sun8i-a83t-ehci", - .data = (ulong)&sun6i_a31_cfg, - }, - { - .compatible = "allwinner,sun8i-h3-ehci", - .data = (ulong)&sun8i_h3_cfg, - }, - { - .compatible = "allwinner,sun9i-a80-ehci", - .data = (ulong)&sun9i_a80_cfg, - }, - { - .compatible = "allwinner,sun50i-a64-ehci", - .data = (ulong)&sun8i_h3_cfg, - }, - { /* sentinel */ } -}; - -U_BOOT_DRIVER(ehci_sunxi) = { - .name = "ehci_sunxi", - .id = UCLASS_USB, - .of_match = ehci_usb_ids, - .probe = ehci_usb_probe, - .remove = ehci_usb_remove, - .ops = &ehci_usb_ops, - .platdata_auto_alloc_size = sizeof(struct usb_platdata), - .priv_auto_alloc_size = sizeof(struct ehci_sunxi_priv), - .flags = DM_FLAG_ALLOC_PRIV_DMA, -}; diff --git a/drivers/usb/host/ohci-sunxi.c b/drivers/usb/host/ohci-sunxi.c deleted file mode 100644 index bb3c2475df..0000000000 --- a/drivers/usb/host/ohci-sunxi.c +++ /dev/null @@ -1,233 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Sunxi ohci glue - * - * Copyright (C) 2015 Hans de Goede <hdegoede@redhat.com> - * - * Based on code from - * Allwinner Technology Co., Ltd. <www.allwinnertech.com> - */ - -#include <common.h> -#include <asm/arch/clock.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 - -#define SUN6I_AHB_RESET0_CFG_OFFSET 0x2c0 -#define SUN9I_AHB_RESET0_CFG_OFFSET 0x5a0 - -struct ohci_sunxi_cfg { - bool has_reset; - u32 extra_ahb_gate_mask; - u32 extra_usb_gate_mask; - u32 reset0_cfg_offset; -}; - -struct ohci_sunxi_priv { - ohci_t ohci; - struct sunxi_ccm_reg *ccm; - u32 *reset0_cfg; - 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 */ - struct phy phy; - const struct ohci_sunxi_cfg *cfg; -}; - -static fdt_addr_t last_ohci_addr = 0; - -static int ohci_usb_probe(struct udevice *dev) -{ - 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; - u8 reg_mask = 0; - int phys, ret; - - if ((fdt_addr_t)regs > last_ohci_addr) - last_ohci_addr = (fdt_addr_t)regs; - - priv->cfg = (const struct ohci_sunxi_cfg *)dev_get_driver_data(dev); - priv->ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; - if (IS_ERR(priv->ccm)) - return PTR_ERR(priv->ccm); - - priv->reset0_cfg = (void *)priv->ccm + - priv->cfg->reset0_cfg_offset; - - 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; - - /* - * This should go away once we've moved to the driver model for - * clocks resp. phys. - */ - reg_mask = ((uintptr_t)regs - (SUNXI_USB1_BASE + 0x400)) / BASE_DIST; - priv->ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_OHCI0; - extra_ahb_gate_mask = priv->cfg->extra_ahb_gate_mask; - priv->usb_gate_mask = CCM_USB_CTRL_OHCI0_CLK; - priv->ahb_gate_mask <<= reg_mask * AHB_CLK_DIST; - extra_ahb_gate_mask <<= reg_mask * AHB_CLK_DIST; - priv->usb_gate_mask <<= reg_mask; - - setbits_le32(&priv->ccm->ahb_gate0, - priv->ahb_gate_mask | extra_ahb_gate_mask); - setbits_le32(&priv->ccm->usb_clk_cfg, - priv->usb_gate_mask | priv->cfg->extra_usb_gate_mask); - if (priv->cfg->has_reset) - setbits_le32(priv->reset0_cfg, - priv->ahb_gate_mask | extra_ahb_gate_mask); - - return ohci_register(dev, regs); -} - -static int ohci_usb_remove(struct udevice *dev) -{ - struct ohci_sunxi_priv *priv = dev_get_priv(dev); - fdt_addr_t base_addr = devfdt_get_addr(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; - - if (priv->cfg->has_reset) - clrbits_le32(priv->reset0_cfg, priv->ahb_gate_mask); - /* - * On the A64 CLK_USB_OHCI0 is the parent of CLK_USB_OHCI1, so - * we have to wait with bringing down any clock until the last - * OHCI controller is removed. - */ - if (!priv->cfg->extra_usb_gate_mask || base_addr == last_ohci_addr) { - u32 usb_gate_mask = priv->usb_gate_mask; - - usb_gate_mask |= priv->cfg->extra_usb_gate_mask; - clrbits_le32(&priv->ccm->usb_clk_cfg, usb_gate_mask); - } - - clrbits_le32(&priv->ccm->ahb_gate0, priv->ahb_gate_mask); - - return 0; -} - -static const struct ohci_sunxi_cfg sun4i_a10_cfg = { - .has_reset = false, -}; - -static const struct ohci_sunxi_cfg sun6i_a31_cfg = { - .has_reset = true, - .reset0_cfg_offset = SUN6I_AHB_RESET0_CFG_OFFSET, -}; - -static const struct ohci_sunxi_cfg sun8i_h3_cfg = { - .has_reset = true, - .extra_ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_EHCI0, - .reset0_cfg_offset = SUN6I_AHB_RESET0_CFG_OFFSET, -}; - -static const struct ohci_sunxi_cfg sun9i_a80_cfg = { - .has_reset = true, - .reset0_cfg_offset = SUN9I_AHB_RESET0_CFG_OFFSET, -}; - -static const struct ohci_sunxi_cfg sun50i_a64_cfg = { - .has_reset = true, - .extra_ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_EHCI0, - .extra_usb_gate_mask = CCM_USB_CTRL_OHCI0_CLK, - .reset0_cfg_offset = SUN6I_AHB_RESET0_CFG_OFFSET, -}; - -static const struct udevice_id ohci_usb_ids[] = { - { - .compatible = "allwinner,sun4i-a10-ohci", - .data = (ulong)&sun4i_a10_cfg, - }, - { - .compatible = "allwinner,sun5i-a13-ohci", - .data = (ulong)&sun4i_a10_cfg, - }, - { - .compatible = "allwinner,sun6i-a31-ohci", - .data = (ulong)&sun6i_a31_cfg, - }, - { - .compatible = "allwinner,sun7i-a20-ohci", - .data = (ulong)&sun4i_a10_cfg, - }, - { - .compatible = "allwinner,sun8i-a23-ohci", - .data = (ulong)&sun6i_a31_cfg, - }, - { - .compatible = "allwinner,sun8i-a83t-ohci", - .data = (ulong)&sun6i_a31_cfg, - }, - { - .compatible = "allwinner,sun8i-h3-ohci", - .data = (ulong)&sun8i_h3_cfg, - }, - { - .compatible = "allwinner,sun9i-a80-ohci", - .data = (ulong)&sun9i_a80_cfg, - }, - { - .compatible = "allwinner,sun50i-a64-ohci", - .data = (ulong)&sun50i_a64_cfg, - }, - { /* sentinel */ } -}; - -U_BOOT_DRIVER(usb_ohci) = { - .name = "ohci_sunxi", - .id = UCLASS_USB, - .of_match = ohci_usb_ids, - .probe = ohci_usb_probe, - .remove = ohci_usb_remove, - .ops = &ohci_usb_ops, - .platdata_auto_alloc_size = sizeof(struct usb_platdata), - .priv_auto_alloc_size = sizeof(struct ohci_sunxi_priv), - .flags = DM_FLAG_ALLOC_PRIV_DMA, -}; diff --git a/drivers/usb/musb-new/sunxi.c b/drivers/usb/musb-new/sunxi.c index f542a181fa..45eecfeee6 100644 --- a/drivers/usb/musb-new/sunxi.c +++ b/drivers/usb/musb-new/sunxi.c @@ -16,9 +16,11 @@ * This file is part of the Inventra Controller Driver for Linux. */ #include <common.h> +#include <clk.h> #include <dm.h> #include <generic-phy.h> #include <phy-sun4i-usb.h> +#include <reset.h> #include <asm/arch/cpu.h> #include <asm/arch/clock.h> #include <asm/arch/gpio.h> @@ -80,16 +82,12 @@ struct sunxi_musb_config { struct musb_hdrc_config *config; - bool has_reset; - u8 rst_bit; - u8 clkgate_bit; - u32 off_reset0; }; struct sunxi_glue { struct musb_host_data mdata; - struct sunxi_ccm_reg *ccm; - u32 *reg_reset0; + struct clk clk; + struct reset_ctl rst; struct sunxi_musb_config *cfg; struct device dev; struct phy phy; @@ -296,24 +294,27 @@ static int sunxi_musb_init(struct musb *musb) pr_debug("%s():\n", __func__); - ret = generic_phy_init(&glue->phy); + ret = clk_enable(&glue->clk); if (ret) { - pr_err("failed to init USB PHY\n"); + dev_err(dev, "failed to enable clock\n"); return ret; } - musb->isr = sunxi_musb_interrupt; - - setbits_le32(&glue->ccm->ahb_gate0, BIT(AHB_GATE_OFFSET_USB0)); - if (glue->cfg->clkgate_bit) - setbits_le32(&glue->ccm->ahb_gate0, - BIT(glue->cfg->clkgate_bit)); + if (reset_valid(&glue->rst)) { + ret = reset_deassert(&glue->rst); + if (ret) { + dev_err(dev, "failed to deassert reset\n"); + goto err_clk; + } + } - if (glue->cfg->has_reset) - setbits_le32(glue->reg_reset0, BIT(AHB_GATE_OFFSET_USB0)); + ret = generic_phy_init(&glue->phy); + if (ret) { + dev_err(dev, "failed to init USB PHY\n"); + goto err_rst; + } - if (glue->cfg->rst_bit) - setbits_le32(glue->reg_reset0, BIT(glue->cfg->rst_bit)); + musb->isr = sunxi_musb_interrupt; USBC_ConfigFIFO_Base(); USBC_EnableDpDmPullUp(musb->mregs); @@ -329,6 +330,13 @@ static int sunxi_musb_init(struct musb *musb) USBC_ForceVbusValidToHigh(musb->mregs); return 0; + +err_rst: + if (reset_valid(&glue->rst)) + reset_assert(&glue->rst); +err_clk: + clk_disable(&glue->clk); + return ret; } static int sunxi_musb_exit(struct musb *musb) @@ -344,16 +352,9 @@ static int sunxi_musb_exit(struct musb *musb) } } - if (glue->cfg->has_reset) - clrbits_le32(glue->reg_reset0, BIT(AHB_GATE_OFFSET_USB0)); - - if (glue->cfg->rst_bit) - clrbits_le32(glue->reg_reset0, BIT(glue->cfg->rst_bit)); - - clrbits_le32(&glue->ccm->ahb_gate0, BIT(AHB_GATE_OFFSET_USB0)); - if (glue->cfg->clkgate_bit) - clrbits_le32(&glue->ccm->ahb_gate0, - BIT(glue->cfg->clkgate_bit)); + if (reset_valid(&glue->rst)) + reset_assert(&glue->rst); + clk_disable(&glue->clk); return 0; } @@ -450,11 +451,17 @@ static int musb_usb_probe(struct udevice *dev) if (!glue->cfg) return -EINVAL; - glue->ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; - if (IS_ERR(glue->ccm)) - return PTR_ERR(glue->ccm); + ret = clk_get_by_index(dev, 0, &glue->clk); + if (ret) { + dev_err(dev, "failed to get clock\n"); + return ret; + } - glue->reg_reset0 = (void *)glue->ccm + glue->cfg->off_reset0; + ret = reset_get_by_index(dev, 0, &glue->rst); + if (ret && ret != -ENOENT) { + dev_err(dev, "failed to get reset\n"); + return ret; + } ret = generic_phy_get_by_name(dev, "usb", &glue->phy); if (ret) { @@ -462,7 +469,6 @@ static int musb_usb_probe(struct udevice *dev) return ret; } - memset(&pdata, 0, sizeof(pdata)); pdata.power = 250; pdata.platform_ops = &sunxi_musb_ops; @@ -505,21 +511,14 @@ static int musb_usb_remove(struct udevice *dev) static const struct sunxi_musb_config sun4i_a10_cfg = { .config = &musb_config, - .has_reset = false, }; static const struct sunxi_musb_config sun6i_a31_cfg = { .config = &musb_config, - .has_reset = true, - .off_reset0 = OFF_SUN6I_AHB_RESET0, }; static const struct sunxi_musb_config sun8i_h3_cfg = { .config = &musb_config_h3, - .has_reset = true, - .rst_bit = 23, - .clkgate_bit = 23, - .off_reset0 = OFF_SUN6I_AHB_RESET0, }; static const struct udevice_id sunxi_musb_ids[] = { |