diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/Kconfig | 2 | ||||
| -rw-r--r-- | arch/mips/cavium-octeon/octeon-platform.c | 105 |
2 files changed, 106 insertions, 1 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 535a08ad69b3..8fbbef95021f 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -694,6 +694,8 @@ config CAVIUM_OCTEON_REFERENCE_BOARD select HW_HAS_PCI select ARCH_SUPPORTS_MSI select ZONE_DMA32 + select USB_ARCH_HAS_OHCI + select USB_ARCH_HAS_EHCI help This option supports all of the Octeon reference boards from Cavium Networks. It builds a kernel that dynamically determines the Octeon diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c index 49c33202843b..cecaf62aef32 100644 --- a/arch/mips/cavium-octeon/octeon-platform.c +++ b/arch/mips/cavium-octeon/octeon-platform.c @@ -3,13 +3,14 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2004-2009 Cavium Networks + * Copyright (C) 2004-2010 Cavium Networks * Copyright (C) 2008 Wind River Systems */ #include <linux/init.h> #include <linux/irq.h> #include <linux/i2c.h> +#include <linux/usb.h> #include <linux/dma-mapping.h> #include <linux/module.h> #include <linux/platform_device.h> @@ -337,6 +338,108 @@ out: } device_initcall(octeon_mgmt_device_init); +#ifdef CONFIG_USB + +static int __init octeon_ehci_device_init(void) +{ + struct platform_device *pd; + int ret = 0; + + struct resource usb_resources[] = { + { + .flags = IORESOURCE_MEM, + }, { + .flags = IORESOURCE_IRQ, + } + }; + + /* Only Octeon2 has ehci/ohci */ + if (!OCTEON_IS_MODEL(OCTEON_CN63XX)) + return 0; + + if (octeon_is_simulation() || usb_disabled()) + return 0; /* No USB in the simulator. */ + + pd = platform_device_alloc("octeon-ehci", 0); + if (!pd) { + ret = -ENOMEM; + goto out; + } + + usb_resources[0].start = 0x00016F0000000000ULL; + usb_resources[0].end = usb_resources[0].start + 0x100; + + usb_resources[1].start = OCTEON_IRQ_USB0; + usb_resources[1].end = OCTEON_IRQ_USB0; + + ret = platform_device_add_resources(pd, usb_resources, + ARRAY_SIZE(usb_resources)); + if (ret) + goto fail; + + ret = platform_device_add(pd); + if (ret) + goto fail; + + return ret; +fail: + platform_device_put(pd); +out: + return ret; +} +device_initcall(octeon_ehci_device_init); + +static int __init octeon_ohci_device_init(void) +{ + struct platform_device *pd; + int ret = 0; + + struct resource usb_resources[] = { + { + .flags = IORESOURCE_MEM, + }, { + .flags = IORESOURCE_IRQ, + } + }; + + /* Only Octeon2 has ehci/ohci */ + if (!OCTEON_IS_MODEL(OCTEON_CN63XX)) + return 0; + + if (octeon_is_simulation() || usb_disabled()) + return 0; /* No USB in the simulator. */ + + pd = platform_device_alloc("octeon-ohci", 0); + if (!pd) { + ret = -ENOMEM; + goto out; + } + + usb_resources[0].start = 0x00016F0000000400ULL; + usb_resources[0].end = usb_resources[0].start + 0x100; + + usb_resources[1].start = OCTEON_IRQ_USB0; + usb_resources[1].end = OCTEON_IRQ_USB0; + + ret = platform_device_add_resources(pd, usb_resources, + ARRAY_SIZE(usb_resources)); + if (ret) + goto fail; + + ret = platform_device_add(pd); + if (ret) + goto fail; + + return ret; +fail: + platform_device_put(pd); +out: + return ret; +} +device_initcall(octeon_ohci_device_init); + +#endif /* CONFIG_USB */ + MODULE_AUTHOR("David Daney <ddaney@caviumnetworks.com>"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Platform driver for Octeon SOC"); |