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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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100 lines
2.1 KiB
C
100 lines
2.1 KiB
C
/*
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* Copyright (C) 2005 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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*/
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#include <linux/init.h>
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#include <linux/string.h>
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#include <linux/kernel.h>
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#include <linux/io.h>
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#include <linux/irq.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 <linux/serial_8250.h>
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#include <asm/cpu.h>
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#include <asm/bootinfo.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/time.h>
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#include <asm/mips-boards/sim.h>
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#include <asm/mips-boards/simint.h>
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#include <asm/smp-ops.h>
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static void __init serial_init(void);
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unsigned int _isbonito;
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const char *get_system_type(void)
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{
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return "MIPSsim";
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}
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void __init plat_mem_setup(void)
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{
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set_io_port_base(0xbfd00000);
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serial_init();
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}
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extern struct plat_smp_ops ssmtc_smp_ops;
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void __init prom_init(void)
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{
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set_io_port_base(0xbfd00000);
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prom_meminit();
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if (cpu_has_mipsmt) {
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if (!register_vsmp_smp_ops())
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return;
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#ifdef CONFIG_MIPS_MT_SMTC
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register_smp_ops(&ssmtc_smp_ops);
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return;
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#endif
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}
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register_up_smp_ops();
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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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s.iobase = 0x3f8;
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/* hardware int 4 - the serial int, is CPU int 6
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but poll for now */
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s.irq = 0;
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s.uartclk = 1843200;
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s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST;
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s.iotype = UPIO_PORT;
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s.regshift = 0;
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s.timeout = 4;
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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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