You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
128 lines
5.1 KiB
128 lines
5.1 KiB
20 years ago
|
/*
|
||
|
|
* include/asm-ppc/pc_serial.h
|
||
|
|
*
|
||
|
|
* This is basically a copy of include/asm-i386/serial.h.
|
||
|
|
* It is used on platforms which have an ISA bus and thus are likely
|
||
|
|
* to have PC-style serial ports at the legacy I/O port addresses.
|
||
|
|
* It also includes the definitions for the fourport, accent, boca
|
||
|
|
* and hub6 multiport serial cards, although I have never heard of
|
||
|
|
* anyone using any of those on a PPC platform. -- paulus
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/config.h>
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This assumes you have a 1.8432 MHz clock for your UART.
|
||
|
|
*
|
||
|
|
* It'd be nice if someone built a serial card with a 24.576 MHz
|
||
|
|
* clock, since the 16550A is capable of handling a top speed of 1.5
|
||
|
|
* megabits/second; but this requires the faster clock.
|
||
|
|
*/
|
||
|
|
#define BASE_BAUD ( 1843200 / 16 )
|
||
|
|
|
||
|
|
#ifdef CONFIG_SERIAL_MANY_PORTS
|
||
|
|
#define RS_TABLE_SIZE 64
|
||
|
|
#else
|
||
|
|
#define RS_TABLE_SIZE 4
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Standard COM flags (except for COM4, because of the 8514 problem) */
|
||
|
|
#ifdef CONFIG_SERIAL_DETECT_IRQ
|
||
|
|
#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ)
|
||
|
|
#define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ)
|
||
|
|
#else
|
||
|
|
#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
|
||
|
|
#define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef CONFIG_SERIAL_MANY_PORTS
|
||
|
|
#define FOURPORT_FLAGS ASYNC_FOURPORT
|
||
|
|
#define ACCENT_FLAGS 0
|
||
|
|
#define BOCA_FLAGS 0
|
||
|
|
#define HUB6_FLAGS 0
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* The following define the access methods for the HUB6 card. All
|
||
|
|
* access is through two ports for all 24 possible chips. The card is
|
||
|
|
* selected through the high 2 bits, the port on that card with the
|
||
|
|
* "middle" 3 bits, and the register on that port with the bottom
|
||
|
|
* 3 bits.
|
||
|
|
*
|
||
|
|
* While the access port and interrupt is configurable, the default
|
||
|
|
* port locations are 0x302 for the port control register, and 0x303
|
||
|
|
* for the data read/write register. Normally, the interrupt is at irq3
|
||
|
|
* but can be anything from 3 to 7 inclusive. Note that using 3 will
|
||
|
|
* require disabling com2.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define C_P(card,port) (((card)<<6|(port)<<3) + 1)
|
||
|
|
|
||
|
|
#define STD_SERIAL_PORT_DEFNS \
|
||
|
|
/* UART CLK PORT IRQ FLAGS */ \
|
||
|
|
{ 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef CONFIG_SERIAL_MANY_PORTS
|
||
|
|
#define EXTRA_SERIAL_PORT_DEFNS \
|
||
|
|
{ 0, BASE_BAUD, 0x1A0, 9, FOURPORT_FLAGS }, /* ttyS4 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x1A8, 9, FOURPORT_FLAGS }, /* ttyS5 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x1B0, 9, FOURPORT_FLAGS }, /* ttyS6 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x1B8, 9, FOURPORT_FLAGS }, /* ttyS7 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x2A0, 5, FOURPORT_FLAGS }, /* ttyS8 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x2A8, 5, FOURPORT_FLAGS }, /* ttyS9 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x2B0, 5, FOURPORT_FLAGS }, /* ttyS10 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x2B8, 5, FOURPORT_FLAGS }, /* ttyS11 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x330, 4, ACCENT_FLAGS }, /* ttyS12 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x338, 4, ACCENT_FLAGS }, /* ttyS13 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x000, 0, 0 }, /* ttyS14 (spare) */ \
|
||
|
|
{ 0, BASE_BAUD, 0x000, 0, 0 }, /* ttyS15 (spare) */ \
|
||
|
|
{ 0, BASE_BAUD, 0x100, 12, BOCA_FLAGS }, /* ttyS16 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x108, 12, BOCA_FLAGS }, /* ttyS17 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x110, 12, BOCA_FLAGS }, /* ttyS18 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x118, 12, BOCA_FLAGS }, /* ttyS19 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x120, 12, BOCA_FLAGS }, /* ttyS20 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x128, 12, BOCA_FLAGS }, /* ttyS21 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x130, 12, BOCA_FLAGS }, /* ttyS22 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x138, 12, BOCA_FLAGS }, /* ttyS23 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x140, 12, BOCA_FLAGS }, /* ttyS24 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x148, 12, BOCA_FLAGS }, /* ttyS25 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x150, 12, BOCA_FLAGS }, /* ttyS26 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x158, 12, BOCA_FLAGS }, /* ttyS27 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x160, 12, BOCA_FLAGS }, /* ttyS28 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x168, 12, BOCA_FLAGS }, /* ttyS29 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x170, 12, BOCA_FLAGS }, /* ttyS30 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x178, 12, BOCA_FLAGS }, /* ttyS31 */
|
||
|
|
#else
|
||
|
|
#define EXTRA_SERIAL_PORT_DEFNS
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* You can have up to four HUB6's in the system, but I've only
|
||
|
|
* included two cards here for a total of twelve ports.
|
||
|
|
*/
|
||
|
|
#if (defined(CONFIG_HUB6) && defined(CONFIG_SERIAL_MANY_PORTS))
|
||
|
|
#define HUB6_SERIAL_PORT_DFNS \
|
||
|
|
{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,0) }, /* ttyS32 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,1) }, /* ttyS33 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,2) }, /* ttyS34 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,3) }, /* ttyS35 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,4) }, /* ttyS36 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,5) }, /* ttyS37 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,0) }, /* ttyS38 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,1) }, /* ttyS39 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,2) }, /* ttyS40 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,3) }, /* ttyS41 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,4) }, /* ttyS42 */ \
|
||
|
|
{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,5) }, /* ttyS43 */
|
||
|
|
#else
|
||
|
|
#define HUB6_SERIAL_PORT_DFNS
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define SERIAL_PORT_DFNS \
|
||
|
|
STD_SERIAL_PORT_DEFNS \
|
||
|
|
EXTRA_SERIAL_PORT_DEFNS \
|
||
|
|
HUB6_SERIAL_PORT_DFNS
|