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working on USB device scan

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This commit is contained in:
Markus Fröschle
2014-10-03 09:58:45 +00:00
parent 69941141f7
commit 2ee1ddf58d
8 changed files with 331 additions and 299 deletions
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115
include/ehci.h
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@@ -23,43 +23,42 @@
#define USB_EHCI_H
#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 5
#if !defined(CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS)
#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 2
#endif
/* (shifted) direction/type/recipient from the USB 2.0 spec, table 9.2 */
#define DeviceRequest \
((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_DEVICE) << 8)
((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_DEVICE) << 8)
#define DeviceOutRequest \
((USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_DEVICE) << 8)
((USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_DEVICE) << 8)
#define InterfaceRequest \
((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8)
((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8)
#define EndpointRequest \
((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8)
((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8)
#define EndpointOutRequest \
((USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8)
((USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8)
/*
* Register Space.
*/
struct ehci_hccr {
uint32_t cr_capbase;
struct ehci_hccr
{
uint32_t cr_capbase;
#define HC_LENGTH(p) (((p) >> 0) & 0x00ff)
#define HC_VERSION(p) (((p) >> 16) & 0xffff)
uint32_t cr_hcsparams;
uint32_t cr_hcsparams;
#define HCS_PPC(p) ((p) & (1 << 4))
#define HCS_INDICATOR(p) ((p) & (1 << 16)) /* Port indicators */
#define HCS_N_PORTS(p) (((p) >> 0) & 0xf)
uint32_t cr_hccparams;
uint8_t cr_hcsp_portrt[8];
uint32_t cr_hccparams;
uint8_t cr_hcsp_portrt[8];
} __attribute__ ((packed));
struct ehci_hcor {
uint32_t or_usbcmd;
struct ehci_hcor
{
uint32_t or_usbcmd;
#define CMD_PARK (1 << 11) /* enable "park" */
#define CMD_PARK_CNT(c) (((c) >> 8) & 3) /* how many transfers to park */
#define CMD_ASE (1 << 5) /* async schedule enable */
@@ -68,7 +67,7 @@ struct ehci_hcor {
#define CMD_PSE (1 << 4) /* periodic schedule enable */
#define CMD_RESET (1 << 1) /* reset HC not bus */
#define CMD_RUN (1 << 0) /* start/stop HC */
uint32_t or_usbsts;
uint32_t or_usbsts;
#define STD_ASS (1 << 15)
#define STS_PSSTAT (1 << 14)
#define STS_RECL (1 << 13)
@@ -79,55 +78,55 @@ struct ehci_hcor {
#define STS_PCD (1 << 2)
#define STS_USBERRINT (1 << 1)
#define STS_USBINT (1 << 0)
uint32_t or_usbintr;
uint32_t or_usbintr;
#define INTR_IAAE (1 << 5)
#define INTR_HSEE (1 << 4)
#define INTR_FLRE (1 << 3)
#define INTR_PCDE (1 << 2)
#define INTR_USBERRINTE (1 << 1)
#define INTR_USBINTE (1 << 0)
uint32_t or_frindex;
uint32_t or_ctrldssegment;
uint32_t or_periodiclistbase;
uint32_t or_asynclistaddr;
uint32_t _reserved_[9];
uint32_t or_configflag;
uint32_t or_frindex;
uint32_t or_ctrldssegment;
uint32_t or_periodiclistbase;
uint32_t or_asynclistaddr;
uint32_t _reserved_[9];
uint32_t or_configflag;
#define FLAG_CF (1 << 0) /* true: we'll support "high speed" */
uint32_t or_portsc[CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS];
uint32_t or_systune;
uint32_t or_portsc[CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS];
uint32_t or_systune;
} __attribute__ ((packed));
#define USBMODE 0x68 /* USB Device mode */
#define USBMODE 0x68 /* USB Device mode */
#define USBMODE_SDIS (1 << 3) /* Stream disable */
#define USBMODE_BE (1 << 2) /* BE/LE endiannes select */
#define USBMODE_BE (1 << 2) /* BE/LE endiannes select */
#define USBMODE_CM_HC (3 << 0) /* host controller mode */
#define USBMODE_CM_IDLE (0 << 0) /* idle state */
/* Interface descriptor */
struct usb_linux_interface_descriptor
{
unsigned char bLength;
unsigned char bDescriptorType;
unsigned char bInterfaceNumber;
unsigned char bAlternateSetting;
unsigned char bNumEndpoints;
unsigned char bInterfaceClass;
unsigned char bInterfaceSubClass;
unsigned char bInterfaceProtocol;
unsigned char iInterface;
unsigned char bLength;
unsigned char bDescriptorType;
unsigned char bInterfaceNumber;
unsigned char bAlternateSetting;
unsigned char bNumEndpoints;
unsigned char bInterfaceClass;
unsigned char bInterfaceSubClass;
unsigned char bInterfaceProtocol;
unsigned char iInterface;
} __attribute__ ((packed));
/* Configuration descriptor information.. */
struct usb_linux_config_descriptor
{
unsigned char bLength;
unsigned char bDescriptorType;
unsigned short wTotalLength;
unsigned char bNumInterfaces;
unsigned char bConfigurationValue;
unsigned char iConfiguration;
unsigned char bmAttributes;
unsigned char MaxPower;
unsigned char bLength;
unsigned char bDescriptorType;
unsigned short wTotalLength;
unsigned char bNumInterfaces;
unsigned char bConfigurationValue;
unsigned char iConfiguration;
unsigned char bmAttributes;
unsigned char MaxPower;
} __attribute__ ((packed));
#if defined CONFIG_EHCI_DESC_BIG_ENDIAN
@@ -178,31 +177,31 @@ struct usb_linux_config_descriptor
/* Queue Element Transfer Descriptor (qTD). */
struct qTD
{
uint32_t qt_next;
uint32_t qt_next;
#define QT_NEXT_TERMINATE 1
uint32_t qt_altnext;
uint32_t qt_token;
uint32_t qt_buffer[5];
uint32_t qt_altnext;
uint32_t qt_token;
uint32_t qt_buffer[5];
};
/* Queue Head (QH). */
struct QH
{
uint32_t qh_link;
uint32_t qh_link;
#define QH_LINK_TERMINATE 1
#define QH_LINK_TYPE_ITD 0
#define QH_LINK_TYPE_QH 2
#define QH_LINK_TYPE_SITD 4
#define QH_LINK_TYPE_FSTN 6
uint32_t qh_endpt1;
uint32_t qh_endpt2;
uint32_t qh_curtd;
struct qTD qh_overlay;
/*
* Add dummy fill value to make the size of this struct
* aligned to 32 bytes
*/
uint8_t fill[16];
uint32_t qh_endpt1;
uint32_t qh_endpt2;
uint32_t qh_curtd;
struct qTD qh_overlay;
/*
* Add dummy fill value to make the size of this struct
* aligned to 32 bytes
*/
uint8_t fill[16];
};
/* Low level init functions */