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-rw-r--r--arch/mips/jazz/setup.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/arch/mips/jazz/setup.c b/arch/mips/jazz/setup.c
new file mode 100644
index 000000000000..fccb06fe209d
--- /dev/null
+++ b/arch/mips/jazz/setup.c
@@ -0,0 +1,101 @@
+/*
+ * Setup pointers to hardware-dependent routines.
+ *
+ * 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) 1996, 1997, 1998, 2001 by Ralf Baechle
+ * Copyright (C) 2001 MIPS Technologies, Inc.
+ */
+#include <linux/config.h>
+#include <linux/eisa.h>
+#include <linux/hdreg.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/mm.h>
+#include <linux/console.h>
+#include <linux/fb.h>
+#include <linux/ide.h>
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+#include <asm/jazz.h>
+#include <asm/jazzdma.h>
+#include <asm/ptrace.h>
+#include <asm/reboot.h>
+#include <asm/io.h>
+#include <asm/pgtable.h>
+#include <asm/time.h>
+#include <asm/traps.h>
+
+extern asmlinkage void jazz_handle_int(void);
+
+extern void jazz_machine_restart(char *command);
+extern void jazz_machine_halt(void);
+extern void jazz_machine_power_off(void);
+
+static void __init jazz_time_init(struct irqaction *irq)
+{
+ /* set the clock to 100 Hz */
+ r4030_write_reg32(JAZZ_TIMER_INTERVAL, 9);
+ setup_irq(JAZZ_TIMER_IRQ, irq);
+}
+
+static struct resource jazz_io_resources[] = {
+ { "dma1", 0x00, 0x1f, IORESOURCE_BUSY },
+ { "timer", 0x40, 0x5f, IORESOURCE_BUSY },
+ { "dma page reg", 0x80, 0x8f, IORESOURCE_BUSY },
+ { "dma2", 0xc0, 0xdf, IORESOURCE_BUSY },
+};
+
+static void __init jazz_setup(void)
+{
+ int i;
+
+ /* Map 0xe0000000 -> 0x0:800005C0, 0xe0010000 -> 0x1:30000580 */
+ add_wired_entry (0x02000017, 0x03c00017, 0xe0000000, PM_64K);
+
+ /* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */
+ add_wired_entry (0x02400017, 0x02440017, 0xe2000000, PM_16M);
+
+ /* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */
+ add_wired_entry (0x01800017, 0x01000017, 0xe4000000, PM_4M);
+
+ set_io_port_base(JAZZ_PORT_BASE);
+#ifdef CONFIG_EISA
+ if (mips_machtype == MACH_MIPS_MAGNUM_4000)
+ EISA_bus = 1;
+#endif
+ isa_slot_offset = 0xe3000000;
+
+ /* request I/O space for devices used on all i[345]86 PCs */
+ for (i = 0; i < ARRAY_SIZE(jazz_io_resources); i++)
+ request_resource(&ioport_resource, jazz_io_resources + i);
+
+ board_timer_setup = jazz_time_init;
+ /* The RTC is outside the port address space */
+
+ _machine_restart = jazz_machine_restart;
+ _machine_halt = jazz_machine_halt;
+ _machine_power_off = jazz_machine_power_off;
+
+#warning "Somebody should check if screen_info is ok for Jazz."
+
+ screen_info = (struct screen_info) {
+ 0, 0, /* orig-x, orig-y */
+ 0, /* unused */
+ 0, /* orig_video_page */
+ 0, /* orig_video_mode */
+ 160, /* orig_video_cols */
+ 0, 0, 0, /* unused, ega_bx, unused */
+ 64, /* orig_video_lines */
+ 0, /* orig_video_isVGA */
+ 16 /* orig_video_points */
+ };
+
+ vdma_init();
+}
+
+early_initcall(jazz_setup);