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[LV-kern-commit] CVS: kernel-2.4/arch/mips/mips-boards/malta Makefile,NONE,1.1 malta_int.c,NONE,1.1 malta_rtc.c,NONE,1.1 malta_setup.c,NONE,1.1
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From: Andy P. <at...@us...> - 2002-04-10 18:31:30
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Update of /cvsroot/linux-vax/kernel-2.4/arch/mips/mips-boards/malta
In directory usw-pr-cvs1:/tmp/cvs-serv20728/mips/mips-boards/malta
Added Files:
Makefile malta_int.c malta_rtc.c malta_setup.c
Log Message:
synch 2.4.15 commit 39
--- NEW FILE ---
#
# Carsten Langgaard, car...@mi...
# Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
#
# ########################################################################
#
# This program is free software; you can distribute it and/or modify it
# under the terms of the GNU General Public License (Version 2) as
# published by the Free Software Foundation.
#
# This program is distributed in the hope it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
#
# #######################################################################
#
# Makefile for the MIPS Malta specific kernel interface routines
# under Linux.
#
# Note! Dependencies are done automagically by 'make dep', which also
# removes any old dependencies. DON'T put your own dependencies here
# unless it's something special (ie not a .c file).
#
# Note 2! The CFLAGS definitions are now in the main makefile...
.S.s:
$(CPP) $(CFLAGS) $< -o $*.s
.S.o:
$(CC) $(CFLAGS) -c $< -o $*.o
O_TARGET := malta.o
obj-y := malta_int.o malta_rtc.o malta_setup.o
include $(TOPDIR)/Rules.make
--- NEW FILE ---
/*
* Carsten Langgaard, car...@mi...
* Copyright (C) 2000, 2001 MIPS Technologies, Inc.
* Copyright (C) 2001 Ralf Baechle
*
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* Routines for generic manipulation of the interrupts found on the MIPS
* Malta board.
* The interrupt controller is located in the South Bridge a PIIX4 device
* with two internal 82C95 interrupt controllers.
*/
#include <linux/config.h>
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/kernel_stat.h>
#include <linux/random.h>
#include <asm/irq.h>
#include <asm/io.h>
#include <asm/mips-boards/malta.h>
#include <asm/mips-boards/maltaint.h>
#include <asm/mips-boards/piix4.h>
#include <asm/gt64120.h>
#include <asm/mips-boards/generic.h>
extern asmlinkage void mipsIRQ(void);
void malta_hw0_irqdispatch(struct pt_regs *regs)
{
int irq;
/*
* Determine highest priority pending interrupt by performing a PCI
* Interrupt Acknowledge cycle.
*/
GT_READ(GT_PCI0_IACK_OFS, irq);
irq &= 0xFF;
/*
* IRQ7 is used to detect spurious interrupts. The interrupt
* acknowledge cycle returns IRQ7, if no interrupts is requested. We
* can differentiate between this situation and a "normal" IRQ7 by
* reading the ISR.
*/
if (irq == 7) {
outb(PIIX4_OCW3_SEL | PIIX4_OCW3_ISR, PIIX4_ICTLR1_OCW3);
if (!(inb(PIIX4_ICTLR1_OCW3) & (1 << 7)))
return; /* Spurious interrupt. */
}
do_IRQ(irq, regs);
}
void __init init_IRQ(void)
{
set_except_vector(0, mipsIRQ);
init_generic_irq();
init_i8259_irqs();
#ifdef CONFIG_REMOTE_DEBUG
if (remote_debug) {
set_debug_traps();
breakpoint();
}
#endif
}
--- NEW FILE ---
/*
* Carsten Langgaard, car...@mi...
* Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
*
* ########################################################################
*
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* ########################################################################
*
* RTC routines for Malta style attached PIIX4 device, which contains a
* Motorola MC146818A-compatible Real Time Clock.
*
*/
#include <linux/mc146818rtc.h>
#include <asm/mips-boards/malta.h>
static unsigned char malta_rtc_read_data(unsigned long addr)
{
outb(addr, MALTA_RTC_ADR_REG);
return inb(MALTA_RTC_DAT_REG);
}
static void malta_rtc_write_data(unsigned char data, unsigned long addr)
{
outb(addr, MALTA_RTC_ADR_REG);
outb(data, MALTA_RTC_DAT_REG);
}
static int malta_rtc_bcd_mode(void)
{
return 0;
}
struct rtc_ops malta_rtc_ops = {
&malta_rtc_read_data,
&malta_rtc_write_data,
&malta_rtc_bcd_mode
};
--- NEW FILE ---
/*
* Carsten Langgaard, car...@mi...
* Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
*
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*/
#include <linux/config.h>
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/mc146818rtc.h>
#include <linux/ioport.h>
#include <linux/pci.h>
#ifdef CONFIG_BLK_DEV_IDE
#include <linux/ide.h>
#endif
#include <asm/cpu.h>
#include <asm/bootinfo.h>
#include <asm/irq.h>
#include <asm/mips-boards/generic.h>
#include <asm/mips-boards/prom.h>
#include <asm/mips-boards/malta.h>
#include <asm/mips-boards/maltaint.h>
#ifdef CONFIG_BLK_DEV_FD
#include <asm/floppy.h>
#endif
#include <asm/dma.h>
#if defined(CONFIG_SERIAL_CONSOLE) || defined(CONFIG_PROM_CONSOLE)
extern void console_setup(char *, int *);
char serial_console[20];
#endif
#ifdef CONFIG_REMOTE_DEBUG
extern void set_debug_traps(void);
extern void rs_kgdb_hook(int);
extern void breakpoint(void);
static int remote_debug = 0;
#endif
extern struct ide_ops std_ide_ops;
extern struct fd_ops std_fd_ops;
extern struct rtc_ops malta_rtc_ops;
extern struct kbd_ops std_kbd_ops;
extern void mips_reboot_setup(void);
struct resource standard_io_resources[] = {
{ "dma1", 0x00, 0x1f, IORESOURCE_BUSY },
{ "timer", 0x40, 0x5f, IORESOURCE_BUSY },
{ "dma page reg", 0x80, 0x8f, IORESOURCE_BUSY },
{ "dma2", 0xc0, 0xdf, IORESOURCE_BUSY },
};
#define STANDARD_IO_RESOURCES (sizeof(standard_io_resources)/sizeof(struct resource))
void __init malta_setup(void)
{
#ifdef CONFIG_REMOTE_DEBUG
int rs_putDebugChar(char);
char rs_getDebugChar(void);
extern int (*generic_putDebugChar)(char);
extern char (*generic_getDebugChar)(void);
#endif
char *argptr;
int i;
/* Request I/O space for devices used on the Malta board. */
for (i = 0; i < STANDARD_IO_RESOURCES; i++)
request_resource(&ioport_resource, standard_io_resources+i);
/*
* Enable DMA channel 4 (cascade channel) in the PIIX4 south bridge.
*/
enable_dma(4);
#ifdef CONFIG_SERIAL_CONSOLE
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "console=")) == NULL) {
argptr = prom_getcmdline();
strcat(argptr, " console=ttyS0,38400");
}
#endif
#ifdef CONFIG_REMOTE_DEBUG
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "kgdb=ttyS")) != NULL) {
int line;
argptr += strlen("kgdb=ttyS");
if (*argptr != '0' && *argptr != '1')
printk("KGDB: Uknown serial line /dev/ttyS%c, "
"falling back to /dev/ttyS1\n", *argptr);
line = *argptr == '0' ? 0 : 1;
printk("KGDB: Using serial line /dev/ttyS%d for session\n",
line ? 1 : 0);
rs_kgdb_hook(line);
generic_putDebugChar = rs_putDebugChar;
generic_getDebugChar = rs_getDebugChar;
prom_printf("KGDB: Using serial line /dev/ttyS%d for session, "
"please connect your debugger\n", line ? 1 : 0);
remote_debug = 1;
/* Breakpoints are in init_IRQ() */
}
#endif
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "nofpu")) != NULL)
mips_cpu.options &= ~MIPS_CPU_FPU;
rtc_ops = &malta_rtc_ops;
#ifdef CONFIG_BLK_DEV_IDE
ide_ops = &std_ide_ops;
#endif
#ifdef CONFIG_BLK_DEV_FD
fd_ops = &std_fd_ops;
#endif
#ifdef CONFIG_PC_KEYB
kbd_ops = &std_kbd_ops;
#endif
mips_reboot_setup();
}
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