diff options
| author | Patrick Georgi <patrick.georgi@coresystems.de> | 2008-10-21 15:08:18 +0000 |
|---|---|---|
| committer | Patrick Georgi <patrick.georgi@coresystems.de> | 2008-10-21 15:08:18 +0000 |
| commit | 657a6dc390871721711c2becc8501d05095891e5 (patch) | |
| tree | 145b4de959fa8b76f5585ea85b1c5960e76d37c9 /payloads/libpayload/drivers/serial.c | |
| parent | 97f56a4b7e36a49f8d7d24dcf741df1c181f13cb (diff) | |
| download | coreboot-657a6dc390871721711c2becc8501d05095891e5.tar.xz | |
This patch removes most of the #ifdefs in libc/console.c, and
replaces it with two queues (input, output) where drivers (serial,
keyboard, video, usb) can attach.
The only things left with #ifdefs are initialization (at some point
the drivers must get a chance to register)
Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de>
Acked-by: Jordan Crouse <jordan.crouse@amd.com>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3679 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'payloads/libpayload/drivers/serial.c')
| -rw-r--r-- | payloads/libpayload/drivers/serial.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/payloads/libpayload/drivers/serial.c b/payloads/libpayload/drivers/serial.c index 95f5b4855e..7a6590cb16 100644 --- a/payloads/libpayload/drivers/serial.c +++ b/payloads/libpayload/drivers/serial.c @@ -58,15 +58,27 @@ void serial_hardware_init(int port, int speed, int word_bits, int parity, int st outb(reg &= ~0x80, port + 0x03); } +static struct console_input_driver consin = { + .havekey = serial_havechar, + .getchar = serial_getchar +}; + +static struct console_output_driver consout = { + .putchar = serial_putchar +}; + void serial_init(void) { #ifdef CONFIG_SERIAL_SET_SPEED serial_hardware_init(IOBASE, CONFIG_SERIAL_BAUD_RATE, 8, 0, 1); #endif + console_add_input_driver(&consin); + console_add_output_driver(&consout); } -void serial_putchar(unsigned char c) +void serial_putchar(unsigned int c) { + c &= 0xff; while ((inb(IOBASE + 0x05) & 0x20) == 0) ; outb(c, IOBASE); } |