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path: root/src/drivers/usb/ehci_debug.c
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Diffstat (limited to 'src/drivers/usb/ehci_debug.c')
-rw-r--r--src/drivers/usb/ehci_debug.c107
1 files changed, 4 insertions, 103 deletions
diff --git a/src/drivers/usb/ehci_debug.c b/src/drivers/usb/ehci_debug.c
index 1ab6688a3c..cb6b23ecd5 100644
--- a/src/drivers/usb/ehci_debug.c
+++ b/src/drivers/usb/ehci_debug.c
@@ -53,8 +53,6 @@ static int dbgp_enabled(void);
# define dprintk(LEVEL, args...) do {} while(0)
#endif
-#define USB_DEBUG_DEVNUM 127
-
#define DBGP_LEN_UPDATE(x, len) (((x) & ~0x0f) | ((len) & 0x0f))
/*
* USB Packet IDs (PIDs)
@@ -319,7 +317,7 @@ int dbgp_bulk_read_x(struct dbgp_pipe *pipe, void *data, int size)
return dbgp_bulk_read(dbg_info->ehci_debug, pipe, data, size);
}
-static void dbgp_mdelay(int ms)
+void dbgp_mdelay(int ms)
{
int i;
@@ -329,7 +327,7 @@ static void dbgp_mdelay(int ms)
}
}
-static int dbgp_control_msg(struct ehci_dbg_port *ehci_debug, unsigned devnum, int requesttype,
+int dbgp_control_msg(struct ehci_dbg_port *ehci_debug, unsigned devnum, int requesttype,
int request, int value, int index, void *data, int size)
{
struct ehci_debug_info *info = dbgp_ehci_info();
@@ -460,101 +458,6 @@ static int ehci_wait_for_port(struct ehci_regs *ehci_regs, int port)
return -1; //-ENOTCONN;
}
-#define USB_HUB_PORT_CONNECTION 0
-#define USB_HUB_PORT_ENABLED 1
-#define USB_HUB_PORT_RESET 4
-#define USB_HUB_PORT_POWER 8
-#define USB_HUB_C_PORT_CONNECTION 16
-#define USB_HUB_C_PORT_RESET 20
-
-#if CONFIG_USBDEBUG_OPTIONAL_HUB_PORT
-
-static int hub_port_status(const char * buf, int feature)
-{
- return !!(buf[feature>>3] & (1<<(feature&0x7)));
-}
-
-static int dbgp_hub_enable(struct ehci_dbg_port *ehci_debug, unsigned int port)
-{
- const u8 hub_addr = USB_DEBUG_DEVNUM-1;
- char status[8];
- int ret, loop;
-
- /* Move hub to address 126. */
- ret = dbgp_control_msg(ehci_debug, 0,
- USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_DEVICE,
- USB_REQ_SET_ADDRESS, hub_addr, 0, NULL, 0);
- if (ret < 0)
- goto err;
-
- /* Enter configured state on hub. */
- ret = dbgp_control_msg(ehci_debug, hub_addr,
- USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_DEVICE,
- USB_REQ_SET_CONFIGURATION, 1, 0, NULL, 0);
- if (ret < 0)
- goto err;
-
- /* Set PORT_POWER, poll for PORT_CONNECTION. */
- ret = dbgp_control_msg(ehci_debug, hub_addr,
- USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_OTHER,
- USB_REQ_SET_FEATURE, USB_HUB_PORT_POWER, port, NULL, 0);
- if (ret < 0)
- goto err;
-
- loop = 100;
- do {
- dbgp_mdelay(10);
- ret = dbgp_control_msg(ehci_debug, hub_addr,
- USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_OTHER,
- USB_REQ_GET_STATUS, 0, port, status, 4);
- if (ret < 0)
- goto err;
- if (hub_port_status(status, USB_HUB_PORT_CONNECTION))
- break;
- } while (--loop);
- if (! loop)
- goto err;
-
- ret = dbgp_control_msg(ehci_debug, hub_addr,
- USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_OTHER,
- USB_REQ_CLEAR_FEATURE, USB_HUB_C_PORT_CONNECTION, port, NULL, 0);
- if (ret < 0)
- goto err;
-
-
- /* Set PORT_RESET, poll for C_PORT_RESET. */
- ret = dbgp_control_msg(ehci_debug, hub_addr,
- USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_OTHER,
- USB_REQ_SET_FEATURE, USB_HUB_PORT_RESET, port, NULL, 0);
- if (ret < 0)
- goto err;
-
- loop = 100;
- do {
- dbgp_mdelay(10);
- ret = dbgp_control_msg(ehci_debug, hub_addr,
- USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_OTHER,
- USB_REQ_GET_STATUS, 0, port, status, 4);
- if (ret < 0)
- goto err;
- if (hub_port_status(status, USB_HUB_C_PORT_RESET))
- break;
- } while (--loop);
- if (! loop)
- goto err;
-
- ret = dbgp_control_msg(ehci_debug, hub_addr,
- USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_OTHER,
- USB_REQ_CLEAR_FEATURE, USB_HUB_C_PORT_RESET, port, NULL, 0);
- if (ret < 0)
- goto err;
-
- if (hub_port_status(status, USB_HUB_PORT_ENABLED))
- return 0;
-err:
- return -1;
-}
-#endif /* CONFIG_USBDEBUG_OPTIONAL_HUB_PORT */
static int usbdebug_init_(unsigned ehci_bar, unsigned offset, struct ehci_debug_info *info)
@@ -705,14 +608,12 @@ try_next_port:
dbgp_mdelay(100);
-#if CONFIG_USBDEBUG_OPTIONAL_HUB_PORT
- ret = dbgp_hub_enable(ehci_debug, CONFIG_USBDEBUG_OPTIONAL_HUB_PORT);
+ ret = dbgp_probe_gadget(info->ehci_debug, &info->ep_pipe[0]);
if (ret < 0) {
- dprintk(BIOS_INFO, "Could not enable USB hub on debug port.\n");
+ dprintk(BIOS_INFO, "Could not probe gadget on debug port.\n");
ret = -6;
goto err;
}
-#endif
/* Find the debug device and make it device number 127 */
devnum = 0;