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usbdebug: Split to USB host/device

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Top-level interface to console over USB mut not require low-level
details of ECHI debug port internals.

Change-Id: If3ca3b1f479e3f20976cd4abd8f5e682a58d5650
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/5197
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
This commit is contained in:
Kyösti Mälkki
2014-02-09 23:35:39 +02:00
parent 411bf97c22
commit 8cde852ecf
4 changed files with 90 additions and 63 deletions
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22
src/drivers/usb/ehci_debug.h
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@@ -27,4 +27,26 @@ void usbdebug_disable(void);
void ehci_debug_hw_enable(void);
void ehci_debug_select_port(unsigned int port);
#define DBGP_EP_VALID (1<<0)
#define DBGP_EP_ENABLED (1<<1)
#define DBGP_EP_BUSY (1<<2)
#define DBGP_EP_STATMASK (DBGP_EP_VALID | DBGP_EP_ENABLED)
struct dbgp_pipe
{
u8 devnum;
u8 endpoint;
u8 pid;
u8 status;
int timeout;
u8 bufidx;
u8 buflen;
char buf[8];
};
void dbgp_put(struct dbgp_pipe *pipe);
int dbgp_try_get(struct dbgp_pipe *pipe);
#endif /* _EHCI_DEBUG_H_ */