diff options
| -rw-r--r-- | drivers/usb/host/Kconfig | 8 | ||||
| -rw-r--r-- | drivers/usb/host/Makefile | 1 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-rcar_gen3.c | 106 |
3 files changed, 0 insertions, 115 deletions
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index f797a2568c..f5f19ed775 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -157,14 +157,6 @@ config USB_EHCI_PCI help Enables support for the PCI-based EHCI controller. -config USB_EHCI_RCAR_GEN3 - bool "Support for Renesas RCar M3/H3 EHCI USB controller" - depends on RCAR_GEN3 - default y - ---help--- - Enables support for the on-chip EHCI controller on Renesas - R8A7795 and R8A7796 SoCs. - config USB_EHCI_ZYNQ bool "Support for Xilinx Zynq on-chip EHCI USB controller" depends on ARCH_ZYNQ diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index 29afb7cf1d..83903fcf99 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -46,7 +46,6 @@ obj-$(CONFIG_USB_EHCI_TEGRA) += ehci-tegra.o obj-$(CONFIG_USB_EHCI_VCT) += ehci-vct.o obj-$(CONFIG_USB_EHCI_VF) += ehci-vf.o obj-$(CONFIG_USB_EHCI_RMOBILE) += ehci-rmobile.o -obj-$(CONFIG_USB_EHCI_RCAR_GEN3) += ehci-rcar_gen3.o obj-$(CONFIG_USB_EHCI_ZYNQ) += ehci-zynq.o # xhci diff --git a/drivers/usb/host/ehci-rcar_gen3.c b/drivers/usb/host/ehci-rcar_gen3.c deleted file mode 100644 index 525e7f3573..0000000000 --- a/drivers/usb/host/ehci-rcar_gen3.c +++ /dev/null @@ -1,106 +0,0 @@ -/* - * drivers/usb/host/ehci-rcar_gen3. - * This file is EHCI HCD (Host Controller Driver) for USB. - * - * Copyright (C) 2015-2017 Renesas Electronics Corporation - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <errno.h> -#include <wait_bit.h> -#include <asm/io.h> -#include <usb/ehci-ci.h> -#include "ehci.h" - -#define RCAR_GEN3_USB_BASE(n) (0xEE080000 + ((n) * 0x20000)) - -#define EHCI_USBCMD 0x120 - -#define CORE_SPD_RSM_TIMSET 0x30c -#define CORE_OC_TIMSET 0x310 - -/* Register offset */ -#define AHB_OFFSET 0x200 - -#define BASE_HSUSB 0xE6590000 -#define REG_LPSTS (BASE_HSUSB + 0x0102) /* 16bit */ -#define SUSPM 0x4000 -#define SUSPM_NORMAL BIT(14) -#define REG_UGCTRL2 (BASE_HSUSB + 0x0184) /* 32bit */ -#define USB0SEL 0x00000030 -#define USB0SEL_EHCI 0x00000010 - -#define SMSTPCR7 0xE615014C -#define SMSTPCR700 BIT(0) /* EHCI3 */ -#define SMSTPCR701 BIT(1) /* EHCI2 */ -#define SMSTPCR702 BIT(2) /* EHCI1 */ -#define SMSTPCR703 BIT(3) /* EHCI0 */ -#define SMSTPCR704 BIT(4) /* HSUSB */ - -#define AHB_PLL_RST BIT(1) - -#define USBH_INTBEN BIT(2) -#define USBH_INTAEN BIT(1) - -#define AHB_INT_ENABLE 0x200 -#define AHB_USBCTR 0x20c - -int ehci_hcd_stop(int index) -{ -#if defined(CONFIG_R8A7795) - const u32 mask = SMSTPCR703 | SMSTPCR702 | SMSTPCR701 | SMSTPCR700; -#else - const u32 mask = SMSTPCR703 | SMSTPCR702; -#endif - const u32 base = RCAR_GEN3_USB_BASE(index); - int ret; - - /* Reset EHCI */ - setbits_le32((uintptr_t)(base + EHCI_USBCMD), CMD_RESET); - ret = wait_for_bit("ehci-rcar", (void *)(uintptr_t)base + EHCI_USBCMD, - CMD_RESET, false, 10, true); - if (ret) { - printf("ehci-rcar: reset failed (index=%i, ret=%i).\n", - index, ret); - } - - setbits_le32(SMSTPCR7, BIT(3 - index)); - - if ((readl(SMSTPCR7) & mask) == mask) - setbits_le32(SMSTPCR7, SMSTPCR704); - - return 0; -} - -int ehci_hcd_init(int index, enum usb_init_type init, - struct ehci_hccr **hccr, struct ehci_hcor **hcor) -{ - const void __iomem *base = - (void __iomem *)(uintptr_t)RCAR_GEN3_USB_BASE(index); - struct usb_ehci *ehci = (struct usb_ehci *)(uintptr_t)base; - - clrbits_le32(SMSTPCR7, BIT(3 - index)); - clrbits_le32(SMSTPCR7, SMSTPCR704); - - *hccr = (struct ehci_hccr *)((uintptr_t)&ehci->caplength); - *hcor = (struct ehci_hcor *)((uintptr_t)*hccr + - HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase))); - - /* Enable interrupt */ - setbits_le32(base + AHB_INT_ENABLE, USBH_INTBEN | USBH_INTAEN); - writel(0x014e029b, base + CORE_SPD_RSM_TIMSET); - writel(0x000209ab, base + CORE_OC_TIMSET); - - /* Choice USB0SEL */ - clrsetbits_le32(REG_UGCTRL2, USB0SEL, USB0SEL_EHCI); - - /* Clock & Reset */ - clrbits_le32(base + AHB_USBCTR, AHB_PLL_RST); - - /* low power status */ - clrsetbits_le16(REG_LPSTS, SUSPM, SUSPM_NORMAL); - - return 0; -} |