Linux 2.6.13-rc4
[linux-2.6/next.git] / arch / sh / boards / bigsur / setup.c
blobe69be05195f5a7c765c8a9794f9e2fb663ba0025
1 /*
3 * By Dustin McIntire (dustin@sensoria.com) (c)2001
4 *
5 * Setup and IRQ handling code for the HD64465 companion chip.
6 * by Greg Banks <gbanks@pocketpenguins.com>
7 * Copyright (c) 2000 PocketPenguins Inc
9 * Derived from setup_hd64465.c which bore the message:
10 * Greg Banks <gbanks@pocketpenguins.com>
11 * Copyright (c) 2000 PocketPenguins Inc and
12 * Copyright (C) 2000 YAEGASHI Takeshi
13 * and setup_cqreek.c which bore message:
14 * Copyright (C) 2000 Niibe Yutaka
16 * May be copied or modified under the terms of the GNU General Public
17 * License. See linux/COPYING for more information.
19 * Setup functions for a Hitachi Big Sur Evaluation Board.
23 #include <linux/config.h>
24 #include <linux/sched.h>
25 #include <linux/module.h>
26 #include <linux/kernel.h>
27 #include <linux/param.h>
28 #include <linux/ioport.h>
29 #include <linux/interrupt.h>
30 #include <linux/init.h>
31 #include <linux/irq.h>
32 #include <linux/bitops.h>
34 #include <asm/io.h>
35 #include <asm/irq.h>
36 #include <asm/machvec.h>
37 #include <asm/bigsur/io.h>
38 #include <asm/hd64465/hd64465.h>
39 #include <asm/bigsur/bigsur.h>
41 /*===========================================================*/
42 // Big Sur Init Routines
43 /*===========================================================*/
45 const char *get_system_type(void)
47 return "Big Sur";
51 * The Machine Vector
53 extern void heartbeat_bigsur(void);
54 extern void init_bigsur_IRQ(void);
56 struct sh_machine_vector mv_bigsur __initmv = {
57 .mv_nr_irqs = NR_IRQS, // Defined in <asm/irq.h>
59 .mv_isa_port2addr = bigsur_isa_port2addr,
60 .mv_irq_demux = bigsur_irq_demux,
62 .mv_init_irq = init_bigsur_IRQ,
63 #ifdef CONFIG_HEARTBEAT
64 .mv_heartbeat = heartbeat_bigsur,
65 #endif
67 ALIAS_MV(bigsur)
69 int __init platform_setup(void)
71 /* Mask all 2nd level IRQ's */
72 outb(-1,BIGSUR_IMR0);
73 outb(-1,BIGSUR_IMR1);
74 outb(-1,BIGSUR_IMR2);
75 outb(-1,BIGSUR_IMR3);
77 /* Mask 1st level interrupts */
78 outb(-1,BIGSUR_IRLMR0);
79 outb(-1,BIGSUR_IRLMR1);
81 #if defined (CONFIG_HD64465) && defined (CONFIG_SERIAL)
82 /* remap IO ports for first ISA serial port to HD64465 UART */
83 bigsur_port_map(0x3f8, 8, CONFIG_HD64465_IOBASE + 0x8000, 1);
84 #endif /* CONFIG_HD64465 && CONFIG_SERIAL */
85 /* TODO: setup IDE registers */
86 bigsur_port_map(BIGSUR_IDECTL_IOPORT, 2, BIGSUR_ICTL, 8);
87 /* Setup the Ethernet port to BIGSUR_ETHER_IOPORT */
88 bigsur_port_map(BIGSUR_ETHER_IOPORT, 16, BIGSUR_ETHR+BIGSUR_ETHER_IOPORT, 0);
89 /* set page to 1 */
90 outw(1, BIGSUR_ETHR+0xe);
91 /* set the IO port to BIGSUR_ETHER_IOPORT */
92 outw(BIGSUR_ETHER_IOPORT<<3, BIGSUR_ETHR+0x2);
94 return 0;