tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#include <asm/ec3104.h>
2/* Naturally we don't know the exact value but 115200 baud has a divisor
3 * of 9 and 19200 baud has a divisor of 52, so this seems like a good
4 * guess. */
5#define BASE_BAUD (16800000 / 16)
6
7#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
8
9/* there is a fourth serial port with the expected values as well, but
10 * it's got the keyboard controller behind it so we can't really use it
11 * (without moving the keyboard driver to userspace, which doesn't sound
12 * like a very good idea) */
13#define SERIAL_PORT_DFNS \
14 /* UART CLK PORT IRQ FLAGS */ \
15 { 0, BASE_BAUD, 0x11C00, EC3104_IRQBASE+7, STD_COM_FLAGS }, /* ttyS0 */ \
16 { 0, BASE_BAUD, 0x12000, EC3104_IRQBASE+8, STD_COM_FLAGS }, /* ttyS1 */ \
17 { 0, BASE_BAUD, 0x12400, EC3104_IRQBASE+9, STD_COM_FLAGS }, /* ttyS2 */
18
19/* XXX: This should be moved ino irq.h */
20#define irq_cannonicalize(x) (x)