/* * linux/arch/sh/boards/ec3104/setup.c * EC3104 companion chip support * * Copyright (C) 2000 Philipp Rumpf * */ /* 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 #include #include #include #include #include #include #include #include #include #include static void __init ec3104_setup(char **cmdline_p) { char str[8]; int i; 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].handler = &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); } /* * The Machine Vector */ struct sh_machine_vector mv_ec3104 __initmv = { .mv_name = "EC3104", .mv_setup = ec3104_setup, .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)