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Diffstat (limited to 'arch/mips/cavium-octeon/octeon-platform.c')
-rw-r--r--arch/mips/cavium-octeon/octeon-platform.c112
1 files changed, 110 insertions, 2 deletions
diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c
index 62ac30eef5e..cecaf62aef3 100644
--- a/arch/mips/cavium-octeon/octeon-platform.c
+++ b/arch/mips/cavium-octeon/octeon-platform.c
@@ -3,13 +3,15 @@
* 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>
@@ -198,7 +200,7 @@ static int __init octeon_i2c_device_init(void)
num_ports = 1;
for (port = 0; port < num_ports; port++) {
- octeon_i2c_data[port].sys_freq = octeon_get_clock_rate();
+ octeon_i2c_data[port].sys_freq = octeon_get_io_clock_rate();
/*FIXME: should be examined. At the moment is set for 100Khz */
octeon_i2c_data[port].i2c_freq = 100000;
@@ -301,6 +303,10 @@ static int __init octeon_mgmt_device_init(void)
ret = -ENOMEM;
goto out;
}
+ /* No DMA restrictions */
+ pd->dev.coherent_dma_mask = DMA_BIT_MASK(64);
+ pd->dev.dma_mask = &pd->dev.coherent_dma_mask;
+
switch (port) {
case 0:
mgmt_port_resource.start = OCTEON_IRQ_MII0;
@@ -332,6 +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");