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linux-sg2042/include/asm-mips/serial.h

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/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1999 by Ralf Baechle
* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
*/
#ifndef _ASM_SERIAL_H
#define _ASM_SERIAL_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)
/* 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_MACH_JAZZ
#include <asm/jazz.h>
#ifndef CONFIG_OLIVETTI_M700
/* Some Jazz machines seem to have an 8MHz crystal clock but I don't know
exactly which ones ... XXX */
#define JAZZ_BASE_BAUD ( 8000000 / 16 ) /* ( 3072000 / 16) */
#else
/* but the M700 isn't such a strange beast */
#define JAZZ_BASE_BAUD BASE_BAUD
#endif
#define _JAZZ_SERIAL_INIT(int, base) \
{ .baud_base = JAZZ_BASE_BAUD, .irq = int, .flags = STD_COM_FLAGS, \
.iomem_base = (u8 *) base, .iomem_reg_shift = 0, \
.io_type = SERIAL_IO_MEM }
#define JAZZ_SERIAL_PORT_DEFNS \
_JAZZ_SERIAL_INIT(JAZZ_SERIAL1_IRQ, JAZZ_SERIAL1_BASE), \
_JAZZ_SERIAL_INIT(JAZZ_SERIAL2_IRQ, JAZZ_SERIAL2_BASE),
#else
#define JAZZ_SERIAL_PORT_DEFNS
#endif
/*
* Galileo EV64120 evaluation board
*/
#ifdef CONFIG_MIPS_EV64120
#include <mach-gt64120.h>
#define EV64120_SERIAL_PORT_DEFNS \
{ .baud_base = EV64120_BASE_BAUD, .irq = EV64120_UART_IRQ, \
.flags = STD_COM_FLAGS, \
.iomem_base = EV64120_UART0_REGS_BASE, .iomem_reg_shift = 2, \
.io_type = SERIAL_IO_MEM }, \
{ .baud_base = EV64120_BASE_BAUD, .irq = EV64120_UART_IRQ, \
.flags = STD_COM_FLAGS, \
.iomem_base = EV64120_UART1_REGS_BASE, .iomem_reg_shift = 2, \
.io_type = SERIAL_IO_MEM },
#else
#define EV64120_SERIAL_PORT_DEFNS
#endif
#ifdef CONFIG_HAVE_STD_PC_SERIAL_PORT
#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 */
#else /* CONFIG_HAVE_STD_PC_SERIAL_PORTS */
#define STD_SERIAL_PORT_DEFNS
#endif /* CONFIG_HAVE_STD_PC_SERIAL_PORTS */
#ifdef CONFIG_MOMENCO_JAGUAR_ATX
/* Ordinary NS16552 duart with a 20MHz crystal. */
#define JAGUAR_ATX_UART_CLK 20000000
#define JAGUAR_ATX_BASE_BAUD (JAGUAR_ATX_UART_CLK / 16)
#define JAGUAR_ATX_SERIAL1_IRQ 6
#define JAGUAR_ATX_SERIAL1_BASE 0xfd000023L
#define _JAGUAR_ATX_SERIAL_INIT(int, base) \
{ .baud_base = JAGUAR_ATX_BASE_BAUD, irq: int, \
.flags = (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST), \
.iomem_base = (u8 *) base, iomem_reg_shift: 2, \
io_type: SERIAL_IO_MEM }
#define MOMENCO_JAGUAR_ATX_SERIAL_PORT_DEFNS \
_JAGUAR_ATX_SERIAL_INIT(JAGUAR_ATX_SERIAL1_IRQ, JAGUAR_ATX_SERIAL1_BASE)
#else
#define MOMENCO_JAGUAR_ATX_SERIAL_PORT_DEFNS
#endif
#ifdef CONFIG_MOMENCO_OCELOT_3
#define OCELOT_3_BASE_BAUD ( 20000000 / 16 )
#define OCELOT_3_SERIAL_IRQ 6
#define OCELOT_3_SERIAL_BASE (signed)0xfd000020
#define _OCELOT_3_SERIAL_INIT(int, base) \
{ .baud_base = OCELOT_3_BASE_BAUD, irq: int, \
.flags = STD_COM_FLAGS, \
.iomem_base = (u8 *) base, iomem_reg_shift: 2, \
io_type: SERIAL_IO_MEM }
#define MOMENCO_OCELOT_3_SERIAL_PORT_DEFNS \
_OCELOT_3_SERIAL_INIT(OCELOT_3_SERIAL_IRQ, OCELOT_3_SERIAL_BASE)
#else
#define MOMENCO_OCELOT_3_SERIAL_PORT_DEFNS
#endif
#ifdef CONFIG_MOMENCO_OCELOT
/* Ordinary NS16552 duart with a 20MHz crystal. */
#define OCELOT_BASE_BAUD ( 20000000 / 16 )
#define OCELOT_SERIAL1_IRQ 4
#define OCELOT_SERIAL1_BASE 0xe0001020
#define _OCELOT_SERIAL_INIT(int, base) \
{ .baud_base = OCELOT_BASE_BAUD, .irq = int, .flags = STD_COM_FLAGS, \
.iomem_base = (u8 *) base, .iomem_reg_shift = 2, \
.io_type = SERIAL_IO_MEM }
#define MOMENCO_OCELOT_SERIAL_PORT_DEFNS \
_OCELOT_SERIAL_INIT(OCELOT_SERIAL1_IRQ, OCELOT_SERIAL1_BASE)
#else
#define MOMENCO_OCELOT_SERIAL_PORT_DEFNS
#endif
#ifdef CONFIG_MOMENCO_OCELOT_G
/* Ordinary NS16552 duart with a 20MHz crystal. */
#define OCELOT_G_BASE_BAUD ( 20000000 / 16 )
#define OCELOT_G_SERIAL1_IRQ 4
#if 0
#define OCELOT_G_SERIAL1_BASE 0xe0001020
#else
#define OCELOT_G_SERIAL1_BASE 0xfd000020
#endif
#define _OCELOT_G_SERIAL_INIT(int, base) \
{ .baud_base = OCELOT_G_BASE_BAUD, .irq = int, .flags = STD_COM_FLAGS,\
.iomem_base = (u8 *) base, .iomem_reg_shift = 2, \
.io_type = SERIAL_IO_MEM }
#define MOMENCO_OCELOT_G_SERIAL_PORT_DEFNS \
_OCELOT_G_SERIAL_INIT(OCELOT_G_SERIAL1_IRQ, OCELOT_G_SERIAL1_BASE)
#else
#define MOMENCO_OCELOT_G_SERIAL_PORT_DEFNS
#endif
#ifdef CONFIG_MOMENCO_OCELOT_C
/* Ordinary NS16552 duart with a 20MHz crystal. */
#define OCELOT_C_BASE_BAUD ( 20000000 / 16 )
#define OCELOT_C_SERIAL1_IRQ 80
#define OCELOT_C_SERIAL1_BASE 0xfd000020
#define OCELOT_C_SERIAL2_IRQ 81
#define OCELOT_C_SERIAL2_BASE 0xfd000000
#define _OCELOT_C_SERIAL_INIT(int, base) \
{ .baud_base = OCELOT_C_BASE_BAUD, \
.irq = (int), \
.flags = STD_COM_FLAGS, \
.iomem_base = (u8 *) base, \
.iomem_reg_shift = 2, \
.io_type = SERIAL_IO_MEM \
}
#define MOMENCO_OCELOT_C_SERIAL_PORT_DEFNS \
_OCELOT_C_SERIAL_INIT(OCELOT_C_SERIAL1_IRQ, OCELOT_C_SERIAL1_BASE), \
_OCELOT_C_SERIAL_INIT(OCELOT_C_SERIAL2_IRQ, OCELOT_C_SERIAL2_BASE)
#else
#define MOMENCO_OCELOT_C_SERIAL_PORT_DEFNS
#endif
#ifdef CONFIG_DDB5477
#include <asm/ddb5xxx/ddb5477.h>
#define DDB5477_SERIAL_PORT_DEFNS \
{ .baud_base = BASE_BAUD, .irq = VRC5477_IRQ_UART0, \
.flags = STD_COM_FLAGS, .iomem_base = (u8*)0xbfa04200, \
.iomem_reg_shift = 3, .io_type = SERIAL_IO_MEM}, \
{ .baud_base = BASE_BAUD, .irq = VRC5477_IRQ_UART1, \
.flags = STD_COM_FLAGS, .iomem_base = (u8*)0xbfa04240, \
.iomem_reg_shift = 3, .io_type = SERIAL_IO_MEM},
#else
#define DDB5477_SERIAL_PORT_DEFNS
#endif
#ifdef CONFIG_SGI_IP32
/*
* The IP32 (SGI O2) has standard serial ports (UART 16550A) mapped in memory
* They are initialized in ip32_setup
*/
#define IP32_SERIAL_PORT_DEFNS \
{},{},
#else
#define IP32_SERIAL_PORT_DEFNS
#endif /* CONFIG_SGI_IP32 */
#define SERIAL_PORT_DFNS \
DDB5477_SERIAL_PORT_DEFNS \
EV64120_SERIAL_PORT_DEFNS \
IP32_SERIAL_PORT_DEFNS \
JAZZ_SERIAL_PORT_DEFNS \
STD_SERIAL_PORT_DEFNS \
MOMENCO_OCELOT_G_SERIAL_PORT_DEFNS \
MOMENCO_OCELOT_C_SERIAL_PORT_DEFNS \
MOMENCO_OCELOT_SERIAL_PORT_DEFNS \
MOMENCO_OCELOT_3_SERIAL_PORT_DEFNS
#endif /* _ASM_SERIAL_H */
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