| /* |
| * |
| * 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/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 |
| /*===========================================================*/ |
| |
| static void __init bigsur_setup(char **cmdline_p) |
| { |
| /* 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); |
| } |
| |
| /* |
| * The Machine Vector |
| */ |
| extern void heartbeat_bigsur(void); |
| extern void init_bigsur_IRQ(void); |
| |
| struct sh_machine_vector mv_bigsur __initmv = { |
| .mv_name = "Big Sur", |
| .mv_setup = bigsur_setup, |
| |
| .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) |