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authorMarek Vasut <marek.vasut@gmail.com>2017-09-12 19:07:25 +0200
committerNobuhiro Iwamatsu <iwamatsu@nigauri.org>2017-10-04 08:50:43 +0900
commitc322d4b72ba02d7b531e4814c46ed2098f3397f1 (patch)
treeeadecba552de1bc7d8a5f3364dab580e62f75281 /drivers/usb
parent9c4c79f4321178a258e9bc98b0452b3ed5db337d (diff)
usb: Drop the EHCI RCar Gen3
Since we use EHCI generic driver on RCar Gen3 , this driver is useless. Remove it. Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Acked-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/host/Kconfig8
-rw-r--r--drivers/usb/host/Makefile1
-rw-r--r--drivers/usb/host/ehci-rcar_gen3.c106
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;
-}