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-rw-r--r--include/configs/corstone1000.h6
-rw-r--r--include/linux/usb/usb_urb_compat.h114
-rw-r--r--include/usb_defs.h32
3 files changed, 152 insertions, 0 deletions
diff --git a/include/configs/corstone1000.h b/include/configs/corstone1000.h
index 38d7fe8..8e0230c 100644
--- a/include/configs/corstone1000.h
+++ b/include/configs/corstone1000.h
@@ -24,4 +24,10 @@
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
+#define BOOT_TARGET_DEVICES(func) \
+ func(USB, usb, 0)
+
+#include <config_distro_bootcmd.h>
+
+
#endif
diff --git a/include/linux/usb/usb_urb_compat.h b/include/linux/usb/usb_urb_compat.h
new file mode 100644
index 0000000..2e8c9d8
--- /dev/null
+++ b/include/linux/usb/usb_urb_compat.h
@@ -0,0 +1,114 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+
+#ifndef __USB_URB_COMPAT_H__
+#define __USB_URB_COMPAT_H__
+
+#include <linux/compat.h>
+#include <usb.h>
+
+struct udevice;
+struct urb;
+struct usb_hcd;
+
+struct usb_urb_ops {
+ int (*urb_enqueue)(struct usb_hcd *hcd, struct urb *urb,
+ gfp_t mem_flags);
+ int (*urb_dequeue)(struct usb_hcd *hcd, struct urb *urb, int status);
+ int (*hub_control)(struct usb_hcd *hcd, struct usb_device *dev,
+ unsigned long pipe, void *buffer, int len,
+ struct devrequest *setup);
+ irqreturn_t (*isr)(int irq, void *priv);
+};
+
+struct usb_hcd {
+ void *hcd_priv;
+ const struct usb_urb_ops *urb_ops;
+};
+
+struct usb_host_endpoint {
+ struct usb_endpoint_descriptor desc;
+ struct list_head urb_list;
+ void *hcpriv;
+};
+
+/*
+ * urb->transfer_flags:
+ *
+ * Note: URB_DIR_IN/OUT is automatically set in usb_submit_urb().
+ */
+#define URB_SHORT_NOT_OK 0x0001 /* report short reads as errors */
+#define URB_ZERO_PACKET 0x0040 /* Finish bulk OUT with short packet */
+
+typedef void (*usb_complete_t)(struct urb *);
+
+struct urb {
+ void *hcpriv; /* private data for host controller */
+ struct list_head urb_list; /* list head for use by the urb's
+ * current owner */
+ struct usb_device *dev; /* (in) pointer to associated device */
+ struct usb_host_endpoint *ep; /* (internal) pointer to endpoint */
+ unsigned int pipe; /* (in) pipe information */
+ int status; /* (return) non-ISO status */
+ unsigned int transfer_flags; /* (in) URB_SHORT_NOT_OK | ...*/
+ void *transfer_buffer; /* (in) associated data buffer */
+ dma_addr_t transfer_dma; /* (in) dma addr for transfer_buffer */
+ u32 transfer_buffer_length; /* (in) data buffer length */
+ u32 actual_length; /* (return) actual transfer length */
+ unsigned char *setup_packet; /* (in) setup packet (control only) */
+ int start_frame; /* (modify) start frame (ISO) */
+ usb_complete_t complete; /* (in) completion routine */
+};
+
+#define usb_hcd_link_urb_to_ep(hcd, urb) ({ \
+ int ret = 0; \
+ list_add_tail(&urb->urb_list, &urb->ep->urb_list); \
+ ret; })
+#define usb_hcd_unlink_urb_from_ep(hcd, urb) list_del_init(&urb->urb_list)
+#define usb_hcd_check_unlink_urb(hdc, urb, status) 0
+
+static inline void usb_hcd_giveback_urb(struct usb_hcd *hcd,
+ struct urb *urb,
+ int status)
+{
+ urb->status = status;
+ if (urb->complete)
+ urb->complete(urb);
+}
+
+static inline int usb_hcd_unmap_urb_for_dma(struct usb_hcd *hcd,
+ struct urb *urb)
+{
+ /* TODO: add cache invalidation here */
+ return 0;
+}
+
+/**
+ * usb_dev_get_parent() - Get the parent of a USB device
+ *
+ * @udev: USB struct containing information about the device
+ * Return: associated device for which udev == dev_get_parent_priv(dev)
+ */
+struct usb_device *usb_dev_get_parent(struct usb_device *udev);
+
+int usb_urb_submit_control(struct usb_hcd *hcd, struct urb *urb,
+ struct usb_host_endpoint *hep,
+ struct usb_device *dev, unsigned long pipe,
+ void *buffer, int len, struct devrequest *setup,
+ int interval, enum usb_device_speed speed);
+
+int usb_urb_submit_bulk(struct usb_hcd *hcd, struct urb *urb,
+ struct usb_host_endpoint *hep, struct usb_device *dev,
+ unsigned long pipe, void *buffer, int len);
+
+int usb_urb_submit_irq(struct usb_hcd *hcd, struct urb *urb,
+ struct usb_host_endpoint *hep, struct usb_device *dev,
+ unsigned long pipe, void *buffer, int len, int interval);
+
+void usb_urb_fill(struct urb *urb, struct usb_host_endpoint *hep,
+ struct usb_device *dev, int endpoint_type,
+ unsigned long pipe, void *buffer, int len,
+ struct devrequest *setup, int interval);
+
+int usb_urb_submit(struct usb_hcd *hcd, struct urb *urb);
+
+#endif /* __USB_COMPAT_H__ */
diff --git a/include/usb_defs.h b/include/usb_defs.h
index 6dd2c99..ec00161 100644
--- a/include/usb_defs.h
+++ b/include/usb_defs.h
@@ -81,6 +81,32 @@
#define EndpointOutRequest \
((USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8)
+/* class requests from the USB 2.0 hub spec, table 11-15 */
+#define HUB_CLASS_REQ(dir, type, request) ((((dir) | (type)) << 8) | (request))
+/* GetBusState and SetHubDescriptor are optional, omitted */
+#define ClearHubFeature HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_HUB, \
+ USB_REQ_CLEAR_FEATURE)
+#define ClearPortFeature HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_PORT, \
+ USB_REQ_CLEAR_FEATURE)
+#define GetHubDescriptor HUB_CLASS_REQ(USB_DIR_IN, USB_RT_HUB, \
+ USB_REQ_GET_DESCRIPTOR)
+#define GetHubStatus HUB_CLASS_REQ(USB_DIR_IN, USB_RT_HUB, \
+ USB_REQ_GET_STATUS)
+#define GetPortStatus HUB_CLASS_REQ(USB_DIR_IN, USB_RT_PORT, \
+ USB_REQ_GET_STATUS)
+#define SetHubFeature HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_HUB, \
+ USB_REQ_SET_FEATURE)
+#define SetPortFeature HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_PORT, \
+ USB_REQ_SET_FEATURE)
+#define ClearTTBuffer HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_PORT, \
+ HUB_CLEAR_TT_BUFFER)
+#define ResetTT HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_PORT, \
+ HUB_RESET_TT)
+#define GetTTState HUB_CLASS_REQ(USB_DIR_IN, USB_RT_PORT, \
+ HUB_GET_TT_STATE)
+#define StopTT HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_PORT, \
+ HUB_STOP_TT)
+
/* Descriptor types */
#define USB_DT_DEVICE 0x01
#define USB_DT_CONFIG 0x02
@@ -289,10 +315,16 @@
#define USB_SS_PORT_STAT_C_CONFIG_ERROR 0x0080
/* wHubCharacteristics (masks) */
+#define HUB_CHAR_COMMON_OCPM 0x0000 /* All ports Over-Current reporting */
+#define HUB_CHAR_INDV_PORT_LPSM 0x0001 /* per-port power control */
+#define HUB_CHAR_NO_LPSM 0x0002 /* no power switching */
#define HUB_CHAR_LPSM 0x0003
#define HUB_CHAR_COMPOUND 0x0004
+#define HUB_CHAR_INDV_PORT_OCPM 0x0008 /* per-port Over-current reporting */
+#define HUB_CHAR_NO_OCPM 0x0010 /* No Over-current Protection support */
#define HUB_CHAR_OCPM 0x0018
#define HUB_CHAR_TTTT 0x0060 /* TT Think Time mask */
+#define HUB_CHAR_PORTIND 0x0080 /* per-port indicators (LEDs) */
/*
* Hub Status & Hub Change bit masks
generated by cgit v1.1 at 2024-08-15 14:58:27 +0000