Prepare USB layer for ehci support
Signed-off-by: Michael Trimarchi trimarchi@gandalf.sssup.it
--- common/cmd_usb.c | 2 +- common/usb.c | 2 +- include/usb.h | 19 +++++++++++-------- include/usb_defs.h | 10 ++++++++++ 4 files changed, 23 insertions(+), 10 deletions(-)
diff --git a/common/cmd_usb.c b/common/cmd_usb.c index 8b19240..9e55c7c 100644 --- a/common/cmd_usb.c +++ b/common/cmd_usb.c @@ -310,7 +310,7 @@ void usb_show_tree_graph(struct usb_device *dev, char *pre) pre[index] = 0; printf(" %s (%s, %dmA)\n", usb_get_class_desc( dev->config.if_desc[0].bInterfaceClass), - dev->slow ? "1.5MBit/s" : "12MBit/s", + dev->speed ? "1.5MBit/s" : "12MBit/s", dev->config.MaxPower * 2); if (strlen(dev->mf) || strlen(dev->prod) || strlen(dev->serial)) printf(" %s %s %s %s\n", pre, dev->mf, dev->prod, dev->serial); diff --git a/common/usb.c b/common/usb.c index ee18152..3138452 100644 --- a/common/usb.c +++ b/common/usb.c @@ -1136,7 +1136,7 @@ void usb_hub_port_connect_change(struct usb_device *dev, int port)
/* Allocate a new device struct for it */ usb = usb_alloc_new_device(); - usb->slow = (portstatus & USB_PORT_STAT_LOW_SPEED) ? 1 : 0; + usb->speed = (portstatus & USB_PORT_STAT_LOW_SPEED) ? 1 : 0;
dev->children[port] = usb; usb->parent = dev; diff --git a/include/usb.h b/include/usb.h index 84a77b2..377c542 100644 --- a/include/usb.h +++ b/include/usb.h @@ -138,7 +138,7 @@ enum {
struct usb_device { int devnum; /* Device number on USB bus */ - int slow; /* Slow device? */ + int speed; /* full/low/high */ char mf[32]; /* manufacturer */ char prod[32]; /* product */ char serial[32]; /* serial number */ @@ -171,6 +171,7 @@ struct usb_device { unsigned long status; int act_len; /* transfered bytes */ int maxchild; /* Number of ports if hub */ + int portnr; struct usb_device *parent; struct usb_device *children[USB_MAXCHILDREN]; }; @@ -180,8 +181,9 @@ struct usb_device { */
#if defined(CONFIG_USB_UHCI) || defined(CONFIG_USB_OHCI) || \ - defined(CONFIG_USB_OHCI_NEW) || defined(CONFIG_USB_SL811HS) || \ - defined(CONFIG_USB_ISP116X_HCD) || defined(CONFIG_USB_R8A66597_HCD) + defined(CONFI_USB_EHCI) || defined(CONFIG_USB_OHCI_NEW) || \ + defined(CONFIG_USB_SL811HS) || defined(CONFIG_USB_ISP116X_HCD) || \ + defined(CONFIG_USB_R8A66597_HCD)
int usb_lowlevel_init(void); int usb_lowlevel_stop(void); @@ -279,7 +281,7 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate); * - endpoint number (4 bits) * - current Data0/1 state (1 bit) * - direction (1 bit) - * - speed (1 bit) + * - speed (2 bits) * - max packet size (2 bits: 8, 16, 32 or 64) * - pipe type (2 bits: control, interrupt, bulk, isochronous) * @@ -296,7 +298,7 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate); * - device: bits 8-14 * - endpoint: bits 15-18 * - Data0/1: bit 19 - * - speed: bit 26 (0 = Full, 1 = Low Speed) + * - speed: bit 26 (0 = Full, 1 = Low Speed, 2 = High) * - pipe type: bits 30-31 (00 = isochronous, 01 = interrupt, * 10 = control, 11 = bulk) * @@ -308,8 +310,8 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate); /* Create various pipes... */ #define create_pipe(dev,endpoint) \ (((dev)->devnum << 8) | (endpoint << 15) | \ - ((dev)->slow << 26) | (dev)->maxpacketsize) -#define default_pipe(dev) ((dev)->slow << 26) + ((dev)->speed << 26) | (dev)->maxpacketsize) +#define default_pipe(dev) ((dev)->speed << 26)
#define usb_sndctrlpipe(dev, endpoint) ((PIPE_CONTROL << 30) | \ create_pipe(dev, endpoint)) @@ -359,7 +361,8 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate); #define usb_pipe_endpdev(pipe) (((pipe) >> 8) & 0x7ff) #define usb_pipeendpoint(pipe) (((pipe) >> 15) & 0xf) #define usb_pipedata(pipe) (((pipe) >> 19) & 1) -#define usb_pipeslow(pipe) (((pipe) >> 26) & 1) +#define usb_pipespeed(pipe) (((pipe) >> 26) & 3) +#define usb_pipeslow(pipe) (usb_pipespeed(pipe) == USB_SPEED_LOW) #define usb_pipetype(pipe) (((pipe) >> 30) & 3) #define usb_pipeisoc(pipe) (usb_pipetype((pipe)) == PIPE_ISOCHRONOUS) #define usb_pipeint(pipe) (usb_pipetype((pipe)) == PIPE_INTERRUPT) diff --git a/include/usb_defs.h b/include/usb_defs.h index 353019f..8032e57 100644 --- a/include/usb_defs.h +++ b/include/usb_defs.h @@ -80,6 +80,12 @@ #define USB_DIR_OUT 0 #define USB_DIR_IN 0x80
+/* USB device speeds */ +#define USB_SPEED_FULL 0x0 /* 12Mbps */ +#define USB_SPEED_LOW 0x1 /* 1.5Mbps */ +#define USB_SPEED_HIGH 0x2 /* 480Mbps */ +#define USB_SPEED_RESERVED 0x3 + /* Descriptor types */ #define USB_DT_DEVICE 0x01 #define USB_DT_CONFIG 0x02 @@ -202,6 +208,7 @@ #define USB_PORT_FEAT_RESET 4 #define USB_PORT_FEAT_POWER 8 #define USB_PORT_FEAT_LOWSPEED 9 +#define USB_PORT_FEAT_HIGHSPEED 10 #define USB_PORT_FEAT_C_CONNECTION 16 #define USB_PORT_FEAT_C_ENABLE 17 #define USB_PORT_FEAT_C_SUSPEND 18 @@ -216,6 +223,9 @@ #define USB_PORT_STAT_RESET 0x0010 #define USB_PORT_STAT_POWER 0x0100 #define USB_PORT_STAT_LOW_SPEED 0x0200 +#define USB_PORT_STAT_HIGH_SPEED 0x0400 /* support for EHCI */ +#define USB_PORT_STAT_SPEED \ + (USB_PORT_STAT_LOW_SPEED | USB_PORT_STAT_HIGH_SPEED)
/* wPortChange bits */ #define USB_PORT_STAT_C_CONNECTION 0x0001