sravan/system76-coreboot
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This patch removes most of the #ifdefs in libc/console.c, and

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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
This commit is contained in:
Patrick Georgi
2008-10-21 15:08:18 +00:00
parent 97f56a4b7e
commit 657a6dc390
6 changed files with 89 additions and 32 deletions
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14
payloads/libpayload/drivers/serial.c
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@@ -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);
}