3 files changed, 161 insertions, 0 deletions

diff --git a/arch/mips/mips-boards/sead/Makefile b/arch/mips/mips-boards/sead/Makefile
new file mode 100644
index 000000000000..224bb848f16b
--- /dev/null
+++ b/arch/mips/mips-boards/sead/Makefile
@@ -0,0 +1,26 @@
+#
+# Carsten Langgaard, carstenl@mips.com
+# Copyright (C) 2002 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 SEAD specific kernel interface routines
+# under Linux.
+#
+
+obj-y           := sead_int.o sead_setup.o
diff --git a/arch/mips/mips-boards/sead/sead_int.c b/arch/mips/mips-boards/sead/sead_int.c
new file mode 100644
index 000000000000..e5109657ed5a
--- /dev/null
+++ b/arch/mips/mips-boards/sead/sead_int.c
@@ -0,0 +1,51 @@
+/*
+ * Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 2002 MIPS Technologies, Inc.  All rights reserved.
+ * Copyright (C) 2003 Ralf Baechle (ralf@linux-mips.org)
+ *
+ *  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
+ * Sead board.
+ */
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+
+#include <asm/mips-boards/seadint.h>
+
+extern asmlinkage void mipsIRQ(void);
+
+asmlinkage void sead_hw0_irqdispatch(struct pt_regs *regs)
+{
+        do_IRQ(SEADINT_UART0, regs);
+}
+
+asmlinkage void sead_hw1_irqdispatch(struct pt_regs *regs)
+{
+        do_IRQ(SEADINT_UART1, regs);
+}
+
+void __init arch_init_irq(void)
+{
+        /*
+         * Mask out all interrupt
+         */
+        clear_c0_status(0x0000ff00);
+
+        /* Now safe to set the exception vector. */
+        set_except_vector(0, mipsIRQ);
+
+        mips_cpu_irq_init(0);
+}
diff --git a/arch/mips/mips-boards/sead/sead_setup.c b/arch/mips/mips-boards/sead/sead_setup.c
new file mode 100644
index 000000000000..29892b88a4fc
--- /dev/null
+++ b/arch/mips/mips-boards/sead/sead_setup.c
@@ -0,0 +1,84 @@
+/*
+ * Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 2002 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.
+ *
+ * SEAD specific setup.
+ */
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/ioport.h>
+#include <linux/tty.h>
+#include <linux/serial.h>
+#include <linux/serial_core.h>
+
+#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/sead.h>
+#include <asm/mips-boards/seadint.h>
+#include <asm/time.h>
+
+extern void mips_reboot_setup(void);
+extern void mips_time_init(void);
+extern void mips_timer_setup(struct irqaction *irq);
+
+static void __init serial_init(void);
+
+const char *get_system_type(void)
+{
+        return "MIPS SEAD";
+}
+
+static void __init sead_setup(void)
+{
+        ioport_resource.end = 0x7fffffff;
+
+        serial_init ();
+
+        board_time_init = mips_time_init;
+        board_timer_setup = mips_timer_setup;
+
+        mips_reboot_setup();
+}
+
+early_initcall(sead_setup);
+
+static void __init serial_init(void)
+{
+#ifdef CONFIG_SERIAL_8250
+        struct uart_port s;
+
+        memset(&s, 0, sizeof(s));
+
+#ifdef CONFIG_CPU_LITTLE_ENDIAN
+        s.iobase = SEAD_UART0_REGS_BASE;
+#else
+        s.iobase = SEAD_UART0_REGS_BASE+3;
+#endif
+        s.irq = SEADINT_UART0;
+        s.uartclk = SEAD_BASE_BAUD * 16;
+        s.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ;
+        s.iotype = 0;
+        s.regshift = 3;
+
+        if (early_serial_setup(&s) != 0) {
+                printk(KERN_ERR "Serial setup failed!\n");
+        }
+#endif
+}