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-rw-r--r--arch/sh/boards/bigsur/setup.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/arch/sh/boards/bigsur/setup.c b/arch/sh/boards/bigsur/setup.c
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+/*
+ *
+ * By Dustin McIntire (dustin@sensoria.com) (c)2001
+ *
+ * Setup and IRQ handling code for the HD64465 companion chip.
+ * by Greg Banks <gbanks@pocketpenguins.com>
+ * Copyright (c) 2000 PocketPenguins Inc
+ *
+ * Derived from setup_hd64465.c which bore the message:
+ * Greg Banks <gbanks@pocketpenguins.com>
+ * Copyright (c) 2000 PocketPenguins Inc and
+ * Copyright (C) 2000 YAEGASHI Takeshi
+ * and setup_cqreek.c which bore message:
+ * Copyright (C) 2000 Niibe Yutaka
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License. See linux/COPYING for more information.
+ *
+ * Setup functions for a Hitachi Big Sur Evaluation Board.
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/sched.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/param.h>
+#include <linux/ioport.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/bitops.h>
+
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/machvec.h>
+#include <asm/bigsur/io.h>
+#include <asm/hd64465/hd64465.h>
+#include <asm/bigsur/bigsur.h>
+
+/*===========================================================*/
+// Big Sur Init Routines
+/*===========================================================*/
+
+const char *get_system_type(void)
+{
+ return "Big Sur";
+}
+
+/*
+ * The Machine Vector
+ */
+extern void heartbeat_bigsur(void);
+extern void init_bigsur_IRQ(void);
+
+struct sh_machine_vector mv_bigsur __initmv = {
+ .mv_nr_irqs = NR_IRQS, // Defined in <asm/irq.h>
+
+ .mv_isa_port2addr = bigsur_isa_port2addr,
+ .mv_irq_demux = bigsur_irq_demux,
+
+ .mv_init_irq = init_bigsur_IRQ,
+#ifdef CONFIG_HEARTBEAT
+ .mv_heartbeat = heartbeat_bigsur,
+#endif
+};
+ALIAS_MV(bigsur)
+
+int __init platform_setup(void)
+{
+ /* Mask all 2nd level IRQ's */
+ outb(-1,BIGSUR_IMR0);
+ outb(-1,BIGSUR_IMR1);
+ outb(-1,BIGSUR_IMR2);
+ outb(-1,BIGSUR_IMR3);
+
+ /* Mask 1st level interrupts */
+ outb(-1,BIGSUR_IRLMR0);
+ outb(-1,BIGSUR_IRLMR1);
+
+#if defined (CONFIG_HD64465) && defined (CONFIG_SERIAL)
+ /* remap IO ports for first ISA serial port to HD64465 UART */
+ bigsur_port_map(0x3f8, 8, CONFIG_HD64465_IOBASE + 0x8000, 1);
+#endif /* CONFIG_HD64465 && CONFIG_SERIAL */
+ /* TODO: setup IDE registers */
+ bigsur_port_map(BIGSUR_IDECTL_IOPORT, 2, BIGSUR_ICTL, 8);
+ /* Setup the Ethernet port to BIGSUR_ETHER_IOPORT */
+ bigsur_port_map(BIGSUR_ETHER_IOPORT, 16, BIGSUR_ETHR+BIGSUR_ETHER_IOPORT, 0);
+ /* set page to 1 */
+ outw(1, BIGSUR_ETHR+0xe);
+ /* set the IO port to BIGSUR_ETHER_IOPORT */
+ outw(BIGSUR_ETHER_IOPORT<<3, BIGSUR_ETHR+0x2);
+
+ return 0;
+}
+