diff options
| -rw-r--r-- | arch/arm/cpu/armv7/uniphier/ph1-ld4/platdevice.c | 13 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/uniphier/ph1-pro4/platdevice.c | 10 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/uniphier/ph1-sld8/platdevice.c | 13 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-uniphier/ehci-uniphier.h | 33 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-uniphier/platdevice.h | 2 | ||||
| -rw-r--r-- | drivers/usb/host/Kconfig | 8 | ||||
| -rw-r--r-- | drivers/usb/host/Makefile | 1 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-uniphier.c | 39 |
8 files changed, 119 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/uniphier/ph1-ld4/platdevice.c b/arch/arm/cpu/armv7/uniphier/ph1-ld4/platdevice.c index 0047223..62f5b01 100644 --- a/arch/arm/cpu/armv7/uniphier/ph1-ld4/platdevice.c +++ b/arch/arm/cpu/armv7/uniphier/ph1-ld4/platdevice.c @@ -13,3 +13,16 @@ SERIAL_DEVICE(0, 0x54006800, UART_MASTER_CLK) SERIAL_DEVICE(1, 0x54006900, UART_MASTER_CLK) SERIAL_DEVICE(2, 0x54006a00, UART_MASTER_CLK) SERIAL_DEVICE(3, 0x54006b00, UART_MASTER_CLK) + +/* USB : TODO for Masahiro Yamada: move base address to Device Tree */ +struct uniphier_ehci_platform_data uniphier_ehci_platdata[] = { + { + .base = 0x5a800100, + }, + { + .base = 0x5a810100, + }, + { + .base = 0x5a820100, + }, +}; diff --git a/arch/arm/cpu/armv7/uniphier/ph1-pro4/platdevice.c b/arch/arm/cpu/armv7/uniphier/ph1-pro4/platdevice.c index 6da921e..1843d04 100644 --- a/arch/arm/cpu/armv7/uniphier/ph1-pro4/platdevice.c +++ b/arch/arm/cpu/armv7/uniphier/ph1-pro4/platdevice.c @@ -13,3 +13,13 @@ SERIAL_DEVICE(0, 0x54006800, UART_MASTER_CLK) SERIAL_DEVICE(1, 0x54006900, UART_MASTER_CLK) SERIAL_DEVICE(2, 0x54006a00, UART_MASTER_CLK) SERIAL_DEVICE(3, 0x54006b00, UART_MASTER_CLK) + +/* USB : TODO for Masahiro Yamada: move base address to Device Tree */ +struct uniphier_ehci_platform_data uniphier_ehci_platdata[] = { + { + .base = 0x5a800100, + }, + { + .base = 0x5a810100, + }, +}; diff --git a/arch/arm/cpu/armv7/uniphier/ph1-sld8/platdevice.c b/arch/arm/cpu/armv7/uniphier/ph1-sld8/platdevice.c index 59d054a..72ec599 100644 --- a/arch/arm/cpu/armv7/uniphier/ph1-sld8/platdevice.c +++ b/arch/arm/cpu/armv7/uniphier/ph1-sld8/platdevice.c @@ -13,3 +13,16 @@ SERIAL_DEVICE(0, 0x54006800, UART_MASTER_CLK) SERIAL_DEVICE(1, 0x54006900, UART_MASTER_CLK) SERIAL_DEVICE(2, 0x54006a00, UART_MASTER_CLK) SERIAL_DEVICE(3, 0x54006b00, UART_MASTER_CLK) + +/* USB : TODO for Masahiro Yamada: move base address to Device Tree */ +struct uniphier_ehci_platform_data uniphier_ehci_platdata[] = { + { + .base = 0x5a800100, + }, + { + .base = 0x5a810100, + }, + { + .base = 0x5a820100, + }, +}; diff --git a/arch/arm/include/asm/arch-uniphier/ehci-uniphier.h b/arch/arm/include/asm/arch-uniphier/ehci-uniphier.h new file mode 100644 index 0000000..e9c5fb4 --- /dev/null +++ b/arch/arm/include/asm/arch-uniphier/ehci-uniphier.h @@ -0,0 +1,33 @@ +/* + * Copyright (C) 2014 Panasonic Corporation + * Author: Masahiro Yamada <yamada.m@jp.panasonic.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __PLAT_UNIPHIER_EHCI_H +#define __PLAT_UNIPHIER_EHCI_H + +#include <linux/types.h> +#include <asm/io.h> +#include "mio-regs.h" + +struct uniphier_ehci_platform_data { + unsigned long base; +}; + +extern struct uniphier_ehci_platform_data uniphier_ehci_platdata[]; + +static inline void uniphier_ehci_reset(int index, int on) +{ + u32 tmp; + + tmp = readl(MIO_USB_RSTCTRL(index)); + if (on) + tmp &= ~MIO_USB_RSTCTRL_XRST; + else + tmp |= MIO_USB_RSTCTRL_XRST; + writel(tmp, MIO_USB_RSTCTRL(index)); +} + +#endif /* __PLAT_UNIPHIER_EHCI_H */ diff --git a/arch/arm/include/asm/arch-uniphier/platdevice.h b/arch/arm/include/asm/arch-uniphier/platdevice.h index cdf7d13..62a5126 100644 --- a/arch/arm/include/asm/arch-uniphier/platdevice.h +++ b/arch/arm/include/asm/arch-uniphier/platdevice.h @@ -21,4 +21,6 @@ U_BOOT_DEVICE(serial##n) = { \ .platdata = &serial_device##n \ }; +#include <asm/arch/ehci-uniphier.h> + #endif /* ARCH_PLATDEVICE_H */ diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 8a6496a..30d1457 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -45,4 +45,12 @@ config USB_EHCI if USB_EHCI_HCD +config USB_EHCI_UNIPHIER + bool "Support for Panasonic UniPhier on-chip EHCI USB controller" + depends on ARCH_UNIPHIER + default y + ---help--- + Enables support for the on-chip EHCI controller on Panasonic + UniPhier SoCs. + endif diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index 1c35929..c11b551 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -37,6 +37,7 @@ 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-$(CONFIG_USB_EHCI_UNIPHIER) += ehci-uniphier.o obj-$(CONFIG_USB_EHCI_VCT) += ehci-vct.o obj-$(CONFIG_USB_EHCI_RMOBILE) += ehci-rmobile.o obj-$(CONFIG_USB_EHCI_ZYNQ) += ehci-zynq.o diff --git a/drivers/usb/host/ehci-uniphier.c b/drivers/usb/host/ehci-uniphier.c new file mode 100644 index 0000000..77f6c9d --- /dev/null +++ b/drivers/usb/host/ehci-uniphier.c @@ -0,0 +1,39 @@ +/* + * Copyright (C) 2014 Panasonic Corporation + * Author: Masahiro Yamada <yamada.m@jp.panasonic.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <usb.h> +#include <asm/arch/ehci-uniphier.h> +#include "ehci.h" + +/* + * Create the appropriate control structures to manage + * a new EHCI host controller. + */ +int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr, + struct ehci_hcor **hcor) +{ + struct ehci_hccr *cr; + struct ehci_hcor *or; + + uniphier_ehci_reset(index, 0); + + cr = (struct ehci_hccr *)(uniphier_ehci_platdata[index].base); + or = (void *)cr + HC_LENGTH(ehci_readl(&cr->cr_capbase)); + + *hccr = cr; + *hcor = or; + + return 0; +} + +int ehci_hcd_stop(int index) +{ + uniphier_ehci_reset(index, 1); + + return 0; +} |