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console: Add console for GDB

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Connection of UARTs to GDB stub got lost in the console transition
process, bring it back. In theory, GDB stub should work also over
usbdebug, but that solution is not really tested at all yet.

Change-Id: I90e05e8132889e788b92e055ee191f35add43bbc
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/5343
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
This commit is contained in:
Kyösti Mälkki
2014-04-04 15:05:28 +03:00
parent c009601f29
commit f2f7f03aff
6 changed files with 64 additions and 4 deletions
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16
src/include/console/usb.h
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@ -34,14 +34,26 @@ int usb_can_rx_byte(int idx);
#define __CONSOLE_USB_ENABLE__ CONFIG_CONSOLE_USB && \
((ENV_ROMSTAGE && CONFIG_USBDEBUG_IN_ROMSTAGE) || ENV_RAMSTAGE)
#define USB_PIPE_FOR_CONSOLE 0
#define USB_PIPE_FOR_GDB 0
#if __CONSOLE_USB_ENABLE__
static inline void __usbdebug_init(void) { usbdebug_init(); }
static inline void __usb_tx_byte(u8 data) { usb_tx_byte(0, data); }
static inline void __usb_tx_flush(void) { usb_tx_flush(0); }
static inline void __usb_tx_byte(u8 data) { usb_tx_byte(USB_PIPE_FOR_CONSOLE, data); }
static inline void __usb_tx_flush(void) { usb_tx_flush(USB_PIPE_FOR_CONSOLE); }
#else
static inline void __usbdebug_init(void) {}
static inline void __usb_tx_byte(u8 data) {}
static inline void __usb_tx_flush(void) {}
#endif
/* */
#if 0 && CONFIG_GDB_STUB && \
((ENV_ROMSTAGE && CONFIG_USBDEBUG_IN_ROMSTAGE) || ENV_RAMSTAGE)
static inline void __gdb_hw_init(void) { usbdebug_init(); }
static inline void __gdb_tx_byte(u8 data) { usb_tx_byte(USB_PIPE_FOR_GDB, data); }
static inline void __gdb_tx_flush(void) { usb_tx_flush(USB_PIPE_FOR_GDB); }
static inline u8 __gdb_rx_byte(void) { return usb_rx_byte(USB_PIPE_FOR_GDB); }
#endif
#endif /* _CONSOLE_USB_H_ */