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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.
*/
#include <linux/config.h>
#include <asm/bootinfo.h>
#include <asm/jazz.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 )
#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
/* 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
#define RS_TABLE_SIZE 64
#else
#define RS_TABLE_SIZE
#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)
#ifdef CONFIG_MIPS_JAZZ
#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
#ifdef CONFIG_MIPS_ATLAS
#include <asm/mips-boards/atlas.h>
#include <asm/mips-boards/atlasint.h>
#define ATLAS_SERIAL_PORT_DEFNS \
/* UART CLK PORT IRQ FLAGS */ \
{ 0, ATLAS_BASE_BAUD, ATLAS_UART_REGS_BASE, ATLASINT_UART, STD_COM_FLAGS }, /* ttyS0 */
#else
#define ATLAS_SERIAL_PORT_DEFNS
#endif
/*
* Both Galileo boards have the same UART mappings.
*/
#if defined (CONFIG_MIPS_EV96100) || defined (CONFIG_MIPS_EV64120)
#include <asm/galileo-boards/ev96100.h>
#include <asm/galileo-boards/ev96100int.h>
#define EV96100_SERIAL_PORT_DEFNS \
{ baud_base: EV96100_BASE_BAUD, port: EV96100_UART0_REGS_BASE, \
irq: EV96100INT_UART_0, flags: STD_COM_FLAGS, type: 0x3, \
iomem_base: EV96100_UART0_REGS_BASE }, \
{ baud_base: EV96100_BASE_BAUD, port: EV96100_UART1_REGS_BASE, \
irq: EV96100INT_UART_0, flags: STD_COM_FLAGS, type: 0x3, \
iomem_base: EV96100_UART1_REGS_BASE },
#else
#define EV96100_SERIAL_PORT_DEFNS
#endif
#ifdef CONFIG_MIPS_ITE8172
#include <asm/it8172/it8172.h>
#include <asm/it8172/it8172_int.h>
#include <asm/it8712.h>
#define ITE_SERIAL_PORT_DEFNS \
{ baud_base: BASE_BAUD, port: (IT8172_PCI_IO_BASE + IT_UART_BASE), \
irq: IT8172_UART_IRQ, flags: STD_COM_FLAGS, type: 0x3 }, \
{ baud_base: (24000000/(16*13)), port: (IT8172_PCI_IO_BASE + IT8712_UART1_PORT), \
irq: IT8172_SERIRQ_4, flags: STD_COM_FLAGS, type: 0x3 }, \
/* Smart Card Reader 0 */ \
{ baud_base: BASE_BAUD, port: (IT8172_PCI_IO_BASE + IT_SCR0_BASE), \
irq: IT8172_SCR0_IRQ, flags: STD_COM_FLAGS, type: 0x3 }, \
/* Smart Card Reader 1 */ \
{ baud_base: BASE_BAUD, port: (IT8172_PCI_IO_BASE + IT_SCR1_BASE), \
irq: IT8172_SCR1_IRQ, flags: STD_COM_FLAGS, type: 0x3 },
#else
#define ITE_SERIAL_PORT_DEFNS
#endif
#ifdef CONFIG_MIPS_IVR
#include <asm/it8172/it8172.h>
#include <asm/it8172/it8172_int.h>
#define IVR_SERIAL_PORT_DEFNS \
{ baud_base: BASE_BAUD, port: (IT8172_PCI_IO_BASE + IT_UART_BASE), \
irq: IT8172_UART_IRQ, flags: STD_COM_FLAGS, type: 0x3 }, \
/* Smart Card Reader 1 */ \
{ baud_base: BASE_BAUD, port: (IT8172_PCI_IO_BASE + IT_SCR1_BASE), \
irq: IT8172_SCR1_IRQ, flags: STD_COM_FLAGS, type: 0x3 },
#else
#define IVR_SERIAL_PORT_DEFNS
#endif
#ifdef CONFIG_AU1000_UART
#include <asm/au1000.h>
#define AU1000_SERIAL_PORT_DEFNS \
{ baud_base: 0, port: UART0_ADDR, irq: AU1000_UART0_INT, \
flags: STD_COM_FLAGS, type: 1 }, \
{ baud_base: 0, port: UART1_ADDR, irq: AU1000_UART1_INT, \
flags: STD_COM_FLAGS, type: 1 }, \
{ baud_base: 0, port: UART2_ADDR, irq: AU1000_UART2_INT, \
flags: STD_COM_FLAGS, type: 1 }, \
{ baud_base: 0, port: UART3_ADDR, irq: AU1000_UART3_INT, \
flags: STD_COM_FLAGS, type: 1 },
#else
#define AU1000_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 */
#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 /* CONFIG_SERIAL_MANY_PORTS */
#define EXTRA_SERIAL_PORT_DEFNS
#endif /* CONFIG_SERIAL_MANY_PORTS */
#else /* CONFIG_HAVE_STD_PC_SERIAL_PORTS */
#define STD_SERIAL_PORT_DEFNS
#define EXTRA_SERIAL_PORT_DEFNS
#endif /* CONFIG_HAVE_STD_PC_SERIAL_PORTS */
/* 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
#ifdef CONFIG_MCA
#define MCA_SERIAL_PORT_DFNS \
{ 0, BASE_BAUD, 0x3220, 3, STD_COM_FLAGS }, \
{ 0, BASE_BAUD, 0x3228, 3, STD_COM_FLAGS }, \
{ 0, BASE_BAUD, 0x4220, 3, STD_COM_FLAGS }, \
{ 0, BASE_BAUD, 0x4228, 3, STD_COM_FLAGS }, \
{ 0, BASE_BAUD, 0x5220, 3, STD_COM_FLAGS }, \
{ 0, BASE_BAUD, 0x5228, 3, STD_COM_FLAGS },
#else
#define MCA_SERIAL_PORT_DFNS
#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
#define SERIAL_PORT_DFNS \
IVR_SERIAL_PORT_DEFNS \
ITE_SERIAL_PORT_DEFNS \
ATLAS_SERIAL_PORT_DEFNS \
EV96100_SERIAL_PORT_DEFNS \
JAZZ_SERIAL_PORT_DEFNS \
STD_SERIAL_PORT_DEFNS \
EXTRA_SERIAL_PORT_DEFNS \
HUB6_SERIAL_PORT_DFNS \
MOMENCO_OCELOT_SERIAL_PORT_DEFNS\
AU1000_SERIAL_PORT_DEFNS
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