microblaze: Add architectural support for USB EHCI host controllers

Add architectural support for USB EHCI host controllers. It has been tested
using the USB EHCI host controller from Xilinx Inc., using both High Speed
devices and Full Speed devices.

Signed-off-by: Julie Zhu <julie.zhu@xilinx.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>

diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index 2db722d..bbd8327 100644 (file)
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -6,6 +6,7 @@ mainmenu "Linux/Microblaze Kernel Configuration"
 config MICROBLAZE
        def_bool y
        select HAVE_LMB
+       select USB_ARCH_HAS_EHCI
        select ARCH_WANT_OPTIONAL_GPIOLIB
 
 config SWAP

diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h
index 7c3ec13..fc9997b 100644 (file)
--- a/arch/microblaze/include/asm/io.h
+++ b/arch/microblaze/include/asm/io.h
@@ -210,6 +210,9 @@ static inline void __iomem *__ioremap(phys_addr_t address, unsigned long size,
 #define in_be32(a) __raw_readl((const void __iomem __force *)(a))
 #define in_be16(a) __raw_readw(a)
 
+#define writel_be(v, a)        out_be32((__force unsigned *)a, v)
+#define readl_be(a)    in_be32((__force unsigned *)a)
+
 /*
  * Little endian
  */

diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig
index dcd49f1..b35025a 100644 (file)
--- a/drivers/usb/Kconfig
+++ b/drivers/usb/Kconfig
@@ -22,7 +22,6 @@ config USB_ARCH_HAS_HCD
        default y if PCMCIA && !M32R                    # sl811_cs
        default y if ARM                                # SL-811
        default y if SUPERH                             # r8a66597-hcd
-       default y if MICROBLAZE
        default PCI
 
 # many non-PCI SOC chips embed OHCI