2 * linux/arch/sh/boards/ec3104/setup.c
3 * EC3104 companion chip support
5 * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>
9 * This code was written without any documentation about the EC3104 chip. While
10 * I hope I got most of the basic functionality right, the register names I use
11 * are most likely completely different from those in the chip documentation.
13 * If you have any further information about the EC3104, please tell me
17 #include <linux/sched.h>
18 #include <linux/kernel.h>
19 #include <linux/param.h>
20 #include <linux/interrupt.h>
21 #include <linux/init.h>
22 #include <linux/irq.h>
23 #include <linux/types.h>
26 #include <asm/machvec.h>
27 #include <asm/mach/ec3104.h>
29 static void __init ec3104_setup(char **cmdline_p)
35 str[i] = ctrl_readb(EC3104_BASE + i);
37 for (i = EC3104_IRQBASE; i < EC3104_IRQBASE + 32; i++)
38 irq_desc[i].handler = &ec3104_int;
40 printk("initializing EC3104 \"%.8s\" at %08x, IRQ %d, IRQ base %d\n",
41 str, EC3104_BASE, EC3104_IRQ, EC3104_IRQBASE);
43 /* mask all interrupts. this should have been done by the boot
44 * loader for us but we want to be sure ... */
45 ctrl_writel(0xffffffff, EC3104_IMR);
51 struct sh_machine_vector mv_ec3104 __initmv = {
53 .mv_setup = ec3104_setup,
59 .mv_outb = ec3104_outb,
60 .mv_outw = ec3104_outw,
61 .mv_outl = ec3104_outl,
63 .mv_irq_demux = ec3104_irq_demux,