diff options
Diffstat (limited to 'arch/sh/boards/adx')
| -rw-r--r-- | arch/sh/boards/adx/Makefile | 6 | ||||
| -rw-r--r-- | arch/sh/boards/adx/irq.c | 31 | ||||
| -rw-r--r-- | arch/sh/boards/adx/irq_maskreg.c | 106 | ||||
| -rw-r--r-- | arch/sh/boards/adx/setup.c | 56 |
4 files changed, 0 insertions, 199 deletions
diff --git a/arch/sh/boards/adx/Makefile b/arch/sh/boards/adx/Makefile deleted file mode 100644 index 5b1c531b399..00000000000 --- a/arch/sh/boards/adx/Makefile +++ /dev/null @@ -1,6 +0,0 @@ -# -# Makefile for ADX boards -# - -obj-y := setup.o irq.o irq_maskreq.o - diff --git a/arch/sh/boards/adx/irq.c b/arch/sh/boards/adx/irq.c deleted file mode 100644 index c6ca409dff9..00000000000 --- a/arch/sh/boards/adx/irq.c +++ /dev/null @@ -1,31 +0,0 @@ -/* - * linux/arch/sh/boards/adx/irq.c - * - * Copyright (C) 2001 A&D Co., Ltd. - * - * I/O routine and setup routines for A&D ADX Board - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - */ - -#include <asm/irq.h> - -void init_adx_IRQ(void) -{ - int i; - -/* printk("init_adx_IRQ()\n");*/ - /* setup irq_mask_register */ - irq_mask_register = (unsigned short *)0xa6000008; - - /* cover all external interrupt area by maskreg_irq_type - * (Actually, irq15 doesn't exist) - */ - for (i = 0; i < 16; i++) { - make_maskreg_irq(i); - disable_irq(i); - } -} diff --git a/arch/sh/boards/adx/irq_maskreg.c b/arch/sh/boards/adx/irq_maskreg.c deleted file mode 100644 index 4b2abe5eb16..00000000000 --- a/arch/sh/boards/adx/irq_maskreg.c +++ /dev/null @@ -1,106 +0,0 @@ -/* - * linux/arch/sh/kernel/irq_maskreg.c - * - * Copyright (C) 2001 A&D Co., Ltd. <http://www.aandd.co.jp> - * - * This file may be copied or modified under the terms of the GNU - * General Public License. See linux/COPYING for more information. - * - * Interrupt handling for Simple external interrupt mask register - * - * This is for the machine which have single 16 bit register - * for masking external IRQ individually. - * Each bit of the register is for masking each interrupt. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/irq.h> - -#include <asm/system.h> -#include <asm/io.h> -#include <asm/machvec.h> - -/* address of external interrupt mask register - * address must be set prior to use these (maybe in init_XXX_irq()) - * XXX : is it better to use .config than specifying it in code? */ -unsigned short *irq_mask_register = 0; - -/* forward declaration */ -static unsigned int startup_maskreg_irq(unsigned int irq); -static void shutdown_maskreg_irq(unsigned int irq); -static void enable_maskreg_irq(unsigned int irq); -static void disable_maskreg_irq(unsigned int irq); -static void mask_and_ack_maskreg(unsigned int); -static void end_maskreg_irq(unsigned int irq); - -/* hw_interrupt_type */ -static struct hw_interrupt_type maskreg_irq_type = { - .typename = " Mask Register", - .startup = startup_maskreg_irq, - .shutdown = shutdown_maskreg_irq, - .enable = enable_maskreg_irq, - .disable = disable_maskreg_irq, - .ack = mask_and_ack_maskreg, - .end = end_maskreg_irq -}; - -/* actual implementatin */ -static unsigned int startup_maskreg_irq(unsigned int irq) -{ - enable_maskreg_irq(irq); - return 0; /* never anything pending */ -} - -static void shutdown_maskreg_irq(unsigned int irq) -{ - disable_maskreg_irq(irq); -} - -static void disable_maskreg_irq(unsigned int irq) -{ - if (irq_mask_register) { - unsigned long flags; - unsigned short val, mask = 0x01 << irq; - - /* Set "irq"th bit */ - local_irq_save(flags); - val = ctrl_inw((unsigned long)irq_mask_register); - val |= mask; - ctrl_outw(val, (unsigned long)irq_mask_register); - local_irq_restore(flags); - } -} - -static void enable_maskreg_irq(unsigned int irq) -{ - if (irq_mask_register) { - unsigned long flags; - unsigned short val, mask = ~(0x01 << irq); - - /* Clear "irq"th bit */ - local_irq_save(flags); - val = ctrl_inw((unsigned long)irq_mask_register); - val &= mask; - ctrl_outw(val, (unsigned long)irq_mask_register); - local_irq_restore(flags); - } -} - -static void mask_and_ack_maskreg(unsigned int irq) -{ - disable_maskreg_irq(irq); -} - -static void end_maskreg_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - enable_maskreg_irq(irq); -} - -void make_maskreg_irq(unsigned int irq) -{ - disable_irq_nosync(irq); - irq_desc[irq].chip = &maskreg_irq_type; - disable_maskreg_irq(irq); -} diff --git a/arch/sh/boards/adx/setup.c b/arch/sh/boards/adx/setup.c deleted file mode 100644 index 4938d959234..00000000000 --- a/arch/sh/boards/adx/setup.c +++ /dev/null @@ -1,56 +0,0 @@ -/* - * linux/arch/sh/board/adx/setup.c - * - * Copyright (C) 2001 A&D Co., Ltd. - * - * I/O routine and setup routines for A&D ADX Board - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - */ - -#include <asm/machvec.h> -#include <linux/module.h> - -extern void init_adx_IRQ(void); -extern void *cf_io_base; - -const char *get_system_type(void) -{ - return "A&D ADX"; -} - -unsigned long adx_isa_port2addr(unsigned long offset) -{ - /* CompactFlash (IDE) */ - if (((offset >= 0x1f0) && (offset <= 0x1f7)) || (offset == 0x3f6)) { - return (unsigned long)cf_io_base + offset; - } - - /* eth0 */ - if ((offset >= 0x300) && (offset <= 0x30f)) { - return 0xa5000000 + offset; /* COMM BOARD (AREA1) */ - } - - return offset + 0xb0000000; /* IOBUS (AREA 4)*/ -} - -/* - * The Machine Vector - */ - -struct sh_machine_vector mv_adx __initmv = { - .mv_nr_irqs = 48, - .mv_isa_port2addr = adx_isa_port2addr, - .mv_init_irq = init_adx_IRQ, -}; -ALIAS_MV(adx) - -int __init platform_setup(void) -{ - /* Nothing to see here .. */ - return 0; -} - |