306 lines
12 KiB
C
Executable File
306 lines
12 KiB
C
Executable File
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1999 by Ralf Baechle
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* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
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*/
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#include <linux/config.h>
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#include <asm/bootinfo.h>
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#include <asm/jazz.h>
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/*
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* This assumes you have a 1.8432 MHz clock for your UART.
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*
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* It'd be nice if someone built a serial card with a 24.576 MHz
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* clock, since the 16550A is capable of handling a top speed of 1.5
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* megabits/second; but this requires the faster clock.
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*/
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#define BASE_BAUD ( 1843200 / 16 )
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#ifndef CONFIG_OLIVETTI_M700
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/* Some Jazz machines seem to have an 8MHz crystal clock but I don't know
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exactly which ones ... XXX */
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#define JAZZ_BASE_BAUD ( 8000000 / 16 ) /* ( 3072000 / 16) */
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#else
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/* but the M700 isn't such a strange beast */
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#define JAZZ_BASE_BAUD BASE_BAUD
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#endif
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/* Standard COM flags (except for COM4, because of the 8514 problem) */
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#ifdef CONFIG_SERIAL_DETECT_IRQ
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#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ)
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#define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ)
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#else
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#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
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#define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
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#endif
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#ifdef CONFIG_SERIAL_MANY_PORTS
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#define FOURPORT_FLAGS ASYNC_FOURPORT
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#define ACCENT_FLAGS 0
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#define BOCA_FLAGS 0
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#define HUB6_FLAGS 0
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#define RS_TABLE_SIZE 64
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#else
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#define RS_TABLE_SIZE
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#endif
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/*
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* The following define the access methods for the HUB6 card. All
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* access is through two ports for all 24 possible chips. The card is
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* selected through the high 2 bits, the port on that card with the
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* "middle" 3 bits, and the register on that port with the bottom
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* 3 bits.
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*
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* While the access port and interrupt is configurable, the default
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* port locations are 0x302 for the port control register, and 0x303
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* for the data read/write register. Normally, the interrupt is at irq3
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* but can be anything from 3 to 7 inclusive. Note that using 3 will
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* require disabling com2.
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*/
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#define C_P(card,port) (((card)<<6|(port)<<3) + 1)
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#ifdef CONFIG_MIPS_JAZZ
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#define _JAZZ_SERIAL_INIT(int, base) \
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{ baud_base: JAZZ_BASE_BAUD, irq: int, flags: STD_COM_FLAGS, \
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iomem_base: (u8 *) base, iomem_reg_shift: 0, \
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io_type: SERIAL_IO_MEM }
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#define JAZZ_SERIAL_PORT_DEFNS \
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_JAZZ_SERIAL_INIT(JAZZ_SERIAL1_IRQ, JAZZ_SERIAL1_BASE), \
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_JAZZ_SERIAL_INIT(JAZZ_SERIAL2_IRQ, JAZZ_SERIAL2_BASE),
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#else
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#define JAZZ_SERIAL_PORT_DEFNS
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#endif
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#ifdef CONFIG_MIPS_ATLAS
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#include <asm/mips-boards/atlas.h>
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#include <asm/mips-boards/atlasint.h>
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#define ATLAS_SERIAL_PORT_DEFNS \
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/* UART CLK PORT IRQ FLAGS */ \
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{ 0, ATLAS_BASE_BAUD, ATLAS_UART_REGS_BASE, ATLASINT_UART, STD_COM_FLAGS }, /* ttyS0 */
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#else
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#define ATLAS_SERIAL_PORT_DEFNS
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#endif
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/*
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* Both Galileo boards have the same UART mappings.
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*/
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#if defined (CONFIG_MIPS_EV96100) || defined (CONFIG_MIPS_EV64120)
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#include <asm/galileo-boards/ev96100.h>
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#include <asm/galileo-boards/ev96100int.h>
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#define EV96100_SERIAL_PORT_DEFNS \
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{ baud_base: EV96100_BASE_BAUD, port: EV96100_UART0_REGS_BASE, \
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irq: EV96100INT_UART_0, flags: STD_COM_FLAGS, type: 0x3, \
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iomem_base: EV96100_UART0_REGS_BASE }, \
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{ baud_base: EV96100_BASE_BAUD, port: EV96100_UART1_REGS_BASE, \
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irq: EV96100INT_UART_0, flags: STD_COM_FLAGS, type: 0x3, \
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iomem_base: EV96100_UART1_REGS_BASE },
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#else
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#define EV96100_SERIAL_PORT_DEFNS
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#endif
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#ifdef CONFIG_MIPS_ITE8172
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#include <asm/it8172/it8172.h>
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#include <asm/it8172/it8172_int.h>
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#include <asm/it8712.h>
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#define ITE_SERIAL_PORT_DEFNS \
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{ baud_base: BASE_BAUD, port: (IT8172_PCI_IO_BASE + IT_UART_BASE), \
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irq: IT8172_UART_IRQ, flags: STD_COM_FLAGS, type: 0x3 }, \
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{ baud_base: (24000000/(16*13)), port: (IT8172_PCI_IO_BASE + IT8712_UART1_PORT), \
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irq: IT8172_SERIRQ_4, flags: STD_COM_FLAGS, type: 0x3 }, \
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/* Smart Card Reader 0 */ \
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{ baud_base: BASE_BAUD, port: (IT8172_PCI_IO_BASE + IT_SCR0_BASE), \
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irq: IT8172_SCR0_IRQ, flags: STD_COM_FLAGS, type: 0x3 }, \
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/* Smart Card Reader 1 */ \
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{ baud_base: BASE_BAUD, port: (IT8172_PCI_IO_BASE + IT_SCR1_BASE), \
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irq: IT8172_SCR1_IRQ, flags: STD_COM_FLAGS, type: 0x3 },
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#else
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#define ITE_SERIAL_PORT_DEFNS
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#endif
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#ifdef CONFIG_MIPS_IVR
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#include <asm/it8172/it8172.h>
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#include <asm/it8172/it8172_int.h>
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#define IVR_SERIAL_PORT_DEFNS \
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{ baud_base: BASE_BAUD, port: (IT8172_PCI_IO_BASE + IT_UART_BASE), \
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irq: IT8172_UART_IRQ, flags: STD_COM_FLAGS, type: 0x3 }, \
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/* Smart Card Reader 1 */ \
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{ baud_base: BASE_BAUD, port: (IT8172_PCI_IO_BASE + IT_SCR1_BASE), \
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irq: IT8172_SCR1_IRQ, flags: STD_COM_FLAGS, type: 0x3 },
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#else
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#define IVR_SERIAL_PORT_DEFNS
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#endif
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#ifdef CONFIG_AU1000_UART
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#include <asm/au1000.h>
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#define AU1000_SERIAL_PORT_DEFNS \
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{ baud_base: 0, port: UART0_ADDR, irq: AU1000_UART0_INT, \
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flags: STD_COM_FLAGS, type: 1 }, \
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{ baud_base: 0, port: UART1_ADDR, irq: AU1000_UART1_INT, \
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flags: STD_COM_FLAGS, type: 1 }, \
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{ baud_base: 0, port: UART2_ADDR, irq: AU1000_UART2_INT, \
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flags: STD_COM_FLAGS, type: 1 }, \
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{ baud_base: 0, port: UART3_ADDR, irq: AU1000_UART3_INT, \
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flags: STD_COM_FLAGS, type: 1 },
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#else
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#define AU1000_SERIAL_PORT_DEFNS
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#endif
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#ifdef CONFIG_HAVE_STD_PC_SERIAL_PORT
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#define STD_SERIAL_PORT_DEFNS \
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/* UART CLK PORT IRQ FLAGS */ \
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{ 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \
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{ 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \
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{ 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \
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{ 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */
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#ifdef CONFIG_SERIAL_MANY_PORTS
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#define EXTRA_SERIAL_PORT_DEFNS \
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{ 0, BASE_BAUD, 0x1A0, 9, FOURPORT_FLAGS }, /* ttyS4 */ \
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{ 0, BASE_BAUD, 0x1A8, 9, FOURPORT_FLAGS }, /* ttyS5 */ \
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{ 0, BASE_BAUD, 0x1B0, 9, FOURPORT_FLAGS }, /* ttyS6 */ \
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{ 0, BASE_BAUD, 0x1B8, 9, FOURPORT_FLAGS }, /* ttyS7 */ \
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{ 0, BASE_BAUD, 0x2A0, 5, FOURPORT_FLAGS }, /* ttyS8 */ \
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{ 0, BASE_BAUD, 0x2A8, 5, FOURPORT_FLAGS }, /* ttyS9 */ \
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{ 0, BASE_BAUD, 0x2B0, 5, FOURPORT_FLAGS }, /* ttyS10 */ \
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{ 0, BASE_BAUD, 0x2B8, 5, FOURPORT_FLAGS }, /* ttyS11 */ \
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{ 0, BASE_BAUD, 0x330, 4, ACCENT_FLAGS }, /* ttyS12 */ \
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{ 0, BASE_BAUD, 0x338, 4, ACCENT_FLAGS }, /* ttyS13 */ \
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{ 0, BASE_BAUD, 0x000, 0, 0 }, /* ttyS14 (spare) */ \
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{ 0, BASE_BAUD, 0x000, 0, 0 }, /* ttyS15 (spare) */ \
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{ 0, BASE_BAUD, 0x100, 12, BOCA_FLAGS }, /* ttyS16 */ \
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{ 0, BASE_BAUD, 0x108, 12, BOCA_FLAGS }, /* ttyS17 */ \
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{ 0, BASE_BAUD, 0x110, 12, BOCA_FLAGS }, /* ttyS18 */ \
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{ 0, BASE_BAUD, 0x118, 12, BOCA_FLAGS }, /* ttyS19 */ \
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{ 0, BASE_BAUD, 0x120, 12, BOCA_FLAGS }, /* ttyS20 */ \
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{ 0, BASE_BAUD, 0x128, 12, BOCA_FLAGS }, /* ttyS21 */ \
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{ 0, BASE_BAUD, 0x130, 12, BOCA_FLAGS }, /* ttyS22 */ \
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{ 0, BASE_BAUD, 0x138, 12, BOCA_FLAGS }, /* ttyS23 */ \
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{ 0, BASE_BAUD, 0x140, 12, BOCA_FLAGS }, /* ttyS24 */ \
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{ 0, BASE_BAUD, 0x148, 12, BOCA_FLAGS }, /* ttyS25 */ \
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{ 0, BASE_BAUD, 0x150, 12, BOCA_FLAGS }, /* ttyS26 */ \
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{ 0, BASE_BAUD, 0x158, 12, BOCA_FLAGS }, /* ttyS27 */ \
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{ 0, BASE_BAUD, 0x160, 12, BOCA_FLAGS }, /* ttyS28 */ \
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{ 0, BASE_BAUD, 0x168, 12, BOCA_FLAGS }, /* ttyS29 */ \
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{ 0, BASE_BAUD, 0x170, 12, BOCA_FLAGS }, /* ttyS30 */ \
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{ 0, BASE_BAUD, 0x178, 12, BOCA_FLAGS }, /* ttyS31 */
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#else /* CONFIG_SERIAL_MANY_PORTS */
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#define EXTRA_SERIAL_PORT_DEFNS
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#endif /* CONFIG_SERIAL_MANY_PORTS */
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#else /* CONFIG_HAVE_STD_PC_SERIAL_PORTS */
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#define STD_SERIAL_PORT_DEFNS
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#define EXTRA_SERIAL_PORT_DEFNS
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#endif /* CONFIG_HAVE_STD_PC_SERIAL_PORTS */
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/* You can have up to four HUB6's in the system, but I've only
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* included two cards here for a total of twelve ports.
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*/
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#if (defined(CONFIG_HUB6) && defined(CONFIG_SERIAL_MANY_PORTS))
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#define HUB6_SERIAL_PORT_DFNS \
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{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,0) }, /* ttyS32 */ \
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{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,1) }, /* ttyS33 */ \
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{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,2) }, /* ttyS34 */ \
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{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,3) }, /* ttyS35 */ \
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{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,4) }, /* ttyS36 */ \
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{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,5) }, /* ttyS37 */ \
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{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,0) }, /* ttyS38 */ \
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{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,1) }, /* ttyS39 */ \
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{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,2) }, /* ttyS40 */ \
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{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,3) }, /* ttyS41 */ \
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{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,4) }, /* ttyS42 */ \
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{ 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,5) }, /* ttyS43 */
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#else
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#define HUB6_SERIAL_PORT_DFNS
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#endif
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#ifdef CONFIG_MCA
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#define MCA_SERIAL_PORT_DFNS \
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{ 0, BASE_BAUD, 0x3220, 3, STD_COM_FLAGS }, \
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{ 0, BASE_BAUD, 0x3228, 3, STD_COM_FLAGS }, \
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{ 0, BASE_BAUD, 0x4220, 3, STD_COM_FLAGS }, \
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{ 0, BASE_BAUD, 0x4228, 3, STD_COM_FLAGS }, \
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{ 0, BASE_BAUD, 0x5220, 3, STD_COM_FLAGS }, \
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{ 0, BASE_BAUD, 0x5228, 3, STD_COM_FLAGS },
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#else
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#define MCA_SERIAL_PORT_DFNS
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#endif
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#ifdef CONFIG_MOMENCO_OCELOT
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/* Ordinary NS16552 duart with a 20MHz crystal. */
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#define OCELOT_BASE_BAUD ( 20000000 / 16 )
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#define OCELOT_SERIAL1_IRQ 4
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#define OCELOT_SERIAL1_BASE 0xe0001020
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#define _OCELOT_SERIAL_INIT(int, base) \
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{ baud_base: OCELOT_BASE_BAUD, irq: int, flags: STD_COM_FLAGS, \
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iomem_base: (u8 *) base, iomem_reg_shift: 2, \
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io_type: SERIAL_IO_MEM }
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#define MOMENCO_OCELOT_SERIAL_PORT_DEFNS \
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_OCELOT_SERIAL_INIT(OCELOT_SERIAL1_IRQ, OCELOT_SERIAL1_BASE)
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#else
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#define MOMENCO_OCELOT_SERIAL_PORT_DEFNS
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#endif
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#ifdef CONFIG_DDB5477
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#define DDB5477_SERIAL_PORT_DEFNS \
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{ baud_base: BASE_BAUD, irq: 12, flags: STD_COM_FLAGS, \
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iomem_base: (u8*)0xbfa04200, iomem_reg_shift: 3, \
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io_type: SERIAL_IO_MEM},\
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{ baud_base: BASE_BAUD, irq: 28, flags: STD_COM_FLAGS, \
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iomem_base: (u8*)0xbfa04240, iomem_reg_shift: 3, \
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io_type: SERIAL_IO_MEM},
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#else
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#define DDB5477_SERIAL_PORT_DEFNS
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#endif
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#ifdef CONFIG_SUNPLUS //lobo add
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#define SUNPLUS_SERIAL_PORT_DEFNS \
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/* UART CLK PORT IRQ FLAGS */ \
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{ 0, BASE_BAUD, 0xAFFF01A0, 6, STD_COM_FLAGS }, /* ttyS0 */
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// { 0, BASE_BAUD, 0xAFFF01A0, 7, STD_COM_FLAGS }, /* ttyS1 */
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#else
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#define SUNPLUS_SERIAL_PORT_DEFNS
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#endif
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#ifdef CONFIG_TRENDCHIP_TC3160
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#include <asm/tc3160/interrupts.h>
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#include <asm/tc3160/sio.h>
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#define TC3160_SERIAL_PORT_DEFNS \
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/* UART CLK PORT IRQ FLAGS */ \
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{ 0, BASE_BAUD, TC3160_UART_BASE, INTR_MUART, STD_COM_FLAGS }, /* ttyS0 */
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#else
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#define TC3160_SERIAL_PORT_DEFNS
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#endif
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#ifdef CONFIG_TRENDCHIP_TC3162
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#include <asm/tc3162/interrupts.h>
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#include <asm/tc3162/sio.h>
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#define TC3162_SERIAL_PORT_DEFNS \
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/* UART CLK PORT IRQ FLAGS */ \
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{ 0, BASE_BAUD, TC3162_UART_BASE, INTR_UART, STD_COM_FLAGS }, /* ttyS0 */
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#else
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#define TC3162_SERIAL_PORT_DEFNS
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#endif
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#define SERIAL_PORT_DFNS \
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IVR_SERIAL_PORT_DEFNS \
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ITE_SERIAL_PORT_DEFNS \
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ATLAS_SERIAL_PORT_DEFNS \
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EV96100_SERIAL_PORT_DEFNS \
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JAZZ_SERIAL_PORT_DEFNS \
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STD_SERIAL_PORT_DEFNS \
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EXTRA_SERIAL_PORT_DEFNS \
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HUB6_SERIAL_PORT_DFNS \
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MOMENCO_OCELOT_SERIAL_PORT_DEFNS\
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AU1000_SERIAL_PORT_DEFNS \
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DDB5477_SERIAL_PORT_DEFNS \
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TC3160_SERIAL_PORT_DEFNS \
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TC3162_SERIAL_PORT_DEFNS \
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SUNPLUS_SERIAL_PORT_DEFNS //lobo add
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