| /* |
| * 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_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_C_SERIAL_PORT_DEFNS \ |
| MOMENCO_OCELOT_SERIAL_PORT_DEFNS \ |
| MOMENCO_OCELOT_3_SERIAL_PORT_DEFNS |
| |
| #endif /* _ASM_SERIAL_H */ |