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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2007-09-06 16:27:37 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2007-09-06 16:27:37 +0000
commit17c7b6c3fdc48301e50d22cc6138ede16bd1be24 (patch)
treea5d41b991a151e72663527a96fbc6c494565d65c /target/linux/adm5120-2.6/files/arch/mips/adm5120/irq.c
parent5389989abaa52926b22f9f030d1481df1e73d745 (diff)
strip the kernel version suffix from target directories, except for brcm-2.4 (the -2.4 will be included in the board name here). CONFIG_LINUX_<ver>_<board> becomes CONFIG_TARGET_<board>, same for profiles.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8653 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/adm5120-2.6/files/arch/mips/adm5120/irq.c')
-rw-r--r--target/linux/adm5120-2.6/files/arch/mips/adm5120/irq.c203
1 files changed, 0 insertions, 203 deletions
diff --git a/target/linux/adm5120-2.6/files/arch/mips/adm5120/irq.c b/target/linux/adm5120-2.6/files/arch/mips/adm5120/irq.c
deleted file mode 100644
index 8d6fbe6a3..000000000
--- a/target/linux/adm5120-2.6/files/arch/mips/adm5120/irq.c
+++ /dev/null
@@ -1,203 +0,0 @@
-/*
- * $Id$
- *
- * ADM5120 specific interrupt handlers
- *
- * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
- * Copyright (C) 2007 OpenWrt.org
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the
- * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- */
-
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/version.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-
-#include <asm/irq.h>
-#include <asm/irq_cpu.h>
-#include <asm/mipsregs.h>
-#include <asm/bitops.h>
-
-#include <asm/mach-adm5120/adm5120_defs.h>
-#include <asm/mach-adm5120/adm5120_irq.h>
-
-#define INTC_REG(r) (*(volatile u32 *)(KSEG1ADDR(ADM5120_INTC_BASE) + r))
-
-static void adm5120_intc_irq_unmask(unsigned int irq);
-static void adm5120_intc_irq_mask(unsigned int irq);
-static int adm5120_intc_irq_set_type(unsigned int irq, unsigned int flow_type);
-
-static struct irq_chip adm5120_intc_irq_chip = {
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
- .name = "INTC",
-#else
- .typename = "INTC",
-#endif
- .unmask = adm5120_intc_irq_unmask,
- .mask = adm5120_intc_irq_mask,
- .mask_ack = adm5120_intc_irq_mask,
- .set_type = adm5120_intc_irq_set_type
-};
-
-static struct irqaction adm5120_intc_irq_action = {
- .handler = no_action,
- .name = "cascade [INTC]"
-};
-
-static void adm5120_intc_irq_unmask(unsigned int irq)
-{
- unsigned long flags;
-
- irq -= ADM5120_INTC_IRQ_BASE;
- local_irq_save(flags);
- INTC_REG(INTC_REG_IRQ_ENABLE) = (1 << irq);
- local_irq_restore(flags);
-}
-
-static void adm5120_intc_irq_mask(unsigned int irq)
-{
- unsigned long flags;
-
- irq -= ADM5120_INTC_IRQ_BASE;
- local_irq_save(flags);
- INTC_REG(INTC_REG_IRQ_DISABLE) = (1 << irq);
- local_irq_restore(flags);
-}
-
-static int adm5120_intc_irq_set_type(unsigned int irq, unsigned int flow_type)
-{
- /* TODO: not yet tested */
-#if 1
- unsigned int sense;
- unsigned long mode;
- int err;
-
- err = 0;
- sense = flow_type & (IRQ_TYPE_SENSE_MASK);
- switch (sense) {
- case IRQ_TYPE_NONE:
- case IRQ_TYPE_LEVEL_HIGH:
- break;
- case IRQ_TYPE_LEVEL_LOW:
- switch (irq) {
- case ADM5120_IRQ_GPIO2:
- case ADM5120_IRQ_GPIO4:
- break;
- default:
- err = -EINVAL;
- break;
- }
- break;
- default:
- err = -EINVAL;
- break;
- }
-
- if (err)
- return err;
-
- switch (irq) {
- case ADM5120_IRQ_GPIO2:
- case ADM5120_IRQ_GPIO4:
- mode = INTC_REG(INTC_REG_INT_MODE);
- if (sense == IRQ_TYPE_LEVEL_LOW)
- mode |= (1 << (irq-ADM5120_INTC_IRQ_BASE));
- else
- mode &= (1 << (irq-ADM5120_INTC_IRQ_BASE));
-
- INTC_REG(INTC_REG_INT_MODE) = mode;
- /* fallthrogh */
- default:
- irq_desc[irq].status &= ~IRQ_TYPE_SENSE_MASK;
- irq_desc[irq].status |= sense;
- break;
- }
-#endif
- return 0;
-}
-
-static void adm5120_intc_irq_dispatch(void)
-{
- unsigned long status;
- int irq;
-
-#if 1
- /* dispatch only one IRQ at a time */
- status = INTC_REG(INTC_REG_IRQ_STATUS) & INTC_INT_ALL;
-
- if (status) {
- irq = ADM5120_INTC_IRQ_BASE+fls(status)-1;
- do_IRQ(irq);
- } else
- spurious_interrupt();
-#else
- status = INTC_REG(INTC_REG_IRQ_STATUS) & INTC_INT_ALL;
- if (status) {
- for (irq=ADM5120_INTC_IRQ_BASE; irq <= ADM5120_INTC_IRQ_BASE +
- INTC_IRQ_LAST; irq++, status >>=1) {
- if ((status & 1) == 1)
- do_IRQ(irq);
- }
- } else
- spurious_interrupt();
-#endif
-}
-
-asmlinkage void plat_irq_dispatch(void)
-{
- unsigned long pending;
-
- pending = read_c0_status() & read_c0_cause();
-
- if (pending & STATUSF_IP7)
- do_IRQ(ADM5120_IRQ_COUNTER);
- else if (pending & STATUSF_IP2)
- adm5120_intc_irq_dispatch();
- else
- spurious_interrupt();
-}
-
-#define INTC_IRQ_STATUS (IRQ_LEVEL | IRQ_TYPE_LEVEL_HIGH | IRQ_DISABLED)
-static void __init adm5120_intc_irq_init(int base)
-{
- int i;
-
- /* disable all interrupts */
- INTC_REG(INTC_REG_IRQ_DISABLE) = INTC_INT_ALL;
- /* setup all interrupts to generate IRQ instead of FIQ */
- INTC_REG(INTC_REG_INT_MODE) = 0;
- /* set active level for all external interrupts to HIGH */
- INTC_REG(INTC_REG_INT_LEVEL) = 0;
- /* disable usage of the TEST_SOURCE register */
- INTC_REG(INTC_REG_IRQ_SOURCE_SELECT) = 0;
-
- for(i=ADM5120_INTC_IRQ_BASE; i <= ADM5120_INTC_IRQ_BASE+INTC_IRQ_LAST;
- i++) {
- irq_desc[i].status = INTC_IRQ_STATUS;
- set_irq_chip_and_handler(i, &adm5120_intc_irq_chip,
- handle_level_irq);
- }
-
- setup_irq(ADM5120_IRQ_INTC, &adm5120_intc_irq_action);
-}
-
-void __init arch_init_irq(void) {
- mips_cpu_irq_init();
- adm5120_intc_irq_init(ADM5120_INTC_IRQ_BASE);
-}