| /* |
| * linux/arch/sh/boards/ec3104/setup.c |
| * EC3104 companion chip support |
| * |
| * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org> |
| * |
| */ |
| /* EC3104 note: |
| * This code was written without any documentation about the EC3104 chip. While |
| * I hope I got most of the basic functionality right, the register names I use |
| * are most likely completely different from those in the chip documentation. |
| * |
| * If you have any further information about the EC3104, please tell me |
| * (prumpf@tux.org). |
| */ |
| |
| #include <linux/sched.h> |
| #include <linux/kernel.h> |
| #include <linux/param.h> |
| #include <linux/interrupt.h> |
| #include <linux/init.h> |
| #include <linux/irq.h> |
| #include <linux/types.h> |
| |
| #include <asm/io.h> |
| #include <asm/irq.h> |
| #include <asm/machvec.h> |
| #include <asm/mach/ec3104.h> |
| |
| const char *get_system_type(void) |
| { |
| return "EC3104"; |
| } |
| |
| /* |
| * The Machine Vector |
| */ |
| |
| struct sh_machine_vector mv_ec3104 __initmv = { |
| .mv_nr_irqs = 96, |
| |
| .mv_inb = ec3104_inb, |
| .mv_inw = ec3104_inw, |
| .mv_inl = ec3104_inl, |
| .mv_outb = ec3104_outb, |
| .mv_outw = ec3104_outw, |
| .mv_outl = ec3104_outl, |
| |
| .mv_irq_demux = ec3104_irq_demux, |
| }; |
| |
| ALIAS_MV(ec3104) |
| |
| int __init platform_setup(void) |
| { |
| char str[8]; |
| int i; |
| |
| if (0) |
| return 0; |
| |
| for (i=0; i<8; i++) |
| str[i] = ctrl_readb(EC3104_BASE + i); |
| |
| for (i = EC3104_IRQBASE; i < EC3104_IRQBASE + 32; i++) |
| irq_desc[i].chip = &ec3104_int; |
| |
| printk("initializing EC3104 \"%.8s\" at %08x, IRQ %d, IRQ base %d\n", |
| str, EC3104_BASE, EC3104_IRQ, EC3104_IRQBASE); |
| |
| |
| /* mask all interrupts. this should have been done by the boot |
| * loader for us but we want to be sure ... */ |
| ctrl_writel(0xffffffff, EC3104_IMR); |
| |
| return 0; |
| } |
| |