fc095a9021
The following change updates the Atlas interrupt handling to match that of Malta. Tested with a 5Kc and a 34Kf successfully. Signed-off-by: Maciej W. Rozycki <macro@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
91 lines
2.2 KiB
C
91 lines
2.2 KiB
C
/*
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* Carsten Langgaard, carstenl@mips.com
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* Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
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*
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* This program is free software; you can distribute it and/or modify it
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* under the terms of the GNU General Public License (Version 2) as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
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*/
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/sched.h>
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#include <linux/ioport.h>
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#include <linux/tty.h>
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#include <linux/serial.h>
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#include <linux/serial_core.h>
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#include <asm/cpu.h>
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#include <asm/bootinfo.h>
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#include <asm/irq.h>
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#include <asm/mips-boards/generic.h>
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#include <asm/mips-boards/prom.h>
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#include <asm/mips-boards/atlas.h>
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#include <asm/mips-boards/atlasint.h>
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#include <asm/time.h>
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#include <asm/traps.h>
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extern void mips_reboot_setup(void);
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extern void mips_time_init(void);
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extern unsigned long mips_rtc_get_time(void);
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#ifdef CONFIG_KGDB
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extern void kgdb_config(void);
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#endif
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static void __init serial_init(void);
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const char *get_system_type(void)
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{
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return "MIPS Atlas";
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}
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void __init plat_mem_setup(void)
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{
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mips_pcibios_init();
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ioport_resource.end = 0x7fffffff;
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serial_init ();
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#ifdef CONFIG_KGDB
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kgdb_config();
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#endif
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mips_reboot_setup();
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board_time_init = mips_time_init;
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rtc_mips_get_time = mips_rtc_get_time;
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}
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static void __init serial_init(void)
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{
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#ifdef CONFIG_SERIAL_8250
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struct uart_port s;
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memset(&s, 0, sizeof(s));
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#ifdef CONFIG_CPU_LITTLE_ENDIAN
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s.iobase = ATLAS_UART_REGS_BASE;
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#else
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s.iobase = ATLAS_UART_REGS_BASE+3;
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#endif
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s.irq = ATLAS_INT_UART;
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s.uartclk = ATLAS_BASE_BAUD * 16;
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s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ;
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s.iotype = UPIO_PORT;
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s.regshift = 3;
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if (early_serial_setup(&s) != 0) {
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printk(KERN_ERR "Serial setup failed!\n");
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}
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#endif
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}
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