diff options
author | David Daney <ddaney@caviumnetworks.com> | 2010-10-08 21:47:53 (GMT) |
---|---|---|
committer | Ralf Baechle <ralf@linux-mips.org> | 2010-10-29 18:08:45 (GMT) |
commit | 340fbb8b12dd24c83b1e8ff094b8e2c218144217 (patch) | |
tree | 95d9820ba6c2a2645c70ce6b2c2151587f215482 /arch/mips/cavium-octeon | |
parent | 1643accdaad4625c2877f7ceefa39c1cb3e90117 (diff) | |
download | linux-340fbb8b12dd24c83b1e8ff094b8e2c218144217.tar.xz |
MIPS: Add platform device and Kconfig for Octeon USB EHCI / OHCI
Declare that OCTEON reference boards have both OHCI and EHCI.
Add platform devices for the corresponding hardware.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-usb@vger.kernel.org
To: dbrownell@users.sourceforge.net
Patchwork: http://patchwork.linux-mips.org/patch/1676/
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/cavium-octeon')
-rw-r--r-- | arch/mips/cavium-octeon/octeon-platform.c | 105 |
1 files changed, 104 insertions, 1 deletions
diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c index 49c3320..cecaf62 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"); |