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Diffstat (limited to 'arch/arm/mach-lh7a40x/irq-lpd7a40x.c')
-rw-r--r--arch/arm/mach-lh7a40x/irq-lpd7a40x.c128
1 files changed, 0 insertions, 128 deletions
diff --git a/arch/arm/mach-lh7a40x/irq-lpd7a40x.c b/arch/arm/mach-lh7a40x/irq-lpd7a40x.c
deleted file mode 100644
index 1bfdcddcb93e..000000000000
--- a/arch/arm/mach-lh7a40x/irq-lpd7a40x.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/* arch/arm/mach-lh7a40x/irq-lpd7a40x.c
- *
- *  Copyright (C) 2004 Coastal Environmental Systems
- *  Copyright (C) 2004 Logic Product Development
- *
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU General Public License
- *  version 2 as published by the Free Software Foundation.
- *
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-
-#include <mach/hardware.h>
-#include <asm/irq.h>
-#include <asm/mach/irq.h>
-#include <mach/irqs.h>
-
-#include "common.h"
-
-static void lh7a40x_ack_cpld_irq(struct irq_data *d)
-{
-	/* CPLD doesn't have ack capability */
-}
-
-static void lh7a40x_mask_cpld_irq(struct irq_data *d)
-{
-	switch (d->irq) {
-	case IRQ_LPD7A40X_ETH_INT:
-		CPLD_INTERRUPTS = CPLD_INTERRUPTS | 0x4;
-		break;
-	case IRQ_LPD7A400_TS:
-		CPLD_INTERRUPTS = CPLD_INTERRUPTS | 0x8;
-		break;
-	}
-}
-
-static void lh7a40x_unmask_cpld_irq(struct irq_data *d)
-{
-	switch (d->irq) {
-	case IRQ_LPD7A40X_ETH_INT:
-		CPLD_INTERRUPTS = CPLD_INTERRUPTS & ~ 0x4;
-		break;
-	case IRQ_LPD7A400_TS:
-		CPLD_INTERRUPTS = CPLD_INTERRUPTS & ~ 0x8;
-		break;
-	}
-}
-
-static struct irq_chip lh7a40x_cpld_chip = {
-	.name		= "CPLD",
-	.irq_ack	= lh7a40x_ack_cpld_irq,
-	.irq_mask	= lh7a40x_mask_cpld_irq,
-	.irq_unmask	= lh7a40x_unmask_cpld_irq,
-};
-
-static void lh7a40x_cpld_handler (unsigned int irq, struct irq_desc *desc)
-{
-	unsigned int mask = CPLD_INTERRUPTS;
-
-	desc->irq_data.chip->ack (irq);
-
-	if ((mask & 0x1) == 0)	/* WLAN */
-		generic_handle_irq(IRQ_LPD7A40X_ETH_INT);
-
-	if ((mask & 0x2) == 0)	/* Touch */
-		generic_handle_irq(IRQ_LPD7A400_TS);
-
-	desc->irq_data.chip->unmask (irq); /* Level-triggered need this */
-}
-
-
-  /* IRQ initialization */
-
-void __init lh7a40x_init_board_irq (void)
-{
-	int irq;
-
-		/* Rev A (v2.8): PF0, PF1, PF2, and PF3 are available IRQs.
-		                 PF7 supports the CPLD.
-		   Rev B (v3.4): PF0, PF1, and PF2 are available IRQs.
-		                 PF3 supports the CPLD.
-		   (Some) LPD7A404 prerelease boards report a version
-		   number of 0x16, but we force an override since the
-		   hardware is of the newer variety.
-		*/
-
-	unsigned char cpld_version = CPLD_REVISION;
-	int pinCPLD;
-
-#if defined CONFIG_MACH_LPD7A404
-	cpld_version = 0x34;	/* Override, for now */
-#endif
-	pinCPLD = (cpld_version == 0x28) ? 7 : 3;
-
-		/* First, configure user controlled GPIOF interrupts  */
-
-	GPIO_PFDD	&= ~0x0f; /* PF0-3 are inputs */
-	GPIO_INTTYPE1	&= ~0x0f; /* PF0-3 are level triggered */
-	GPIO_INTTYPE2	&= ~0x0f; /* PF0-3 are active low */
-	barrier ();
-	GPIO_GPIOFINTEN |=  0x0f; /* Enable PF0, PF1, PF2, and PF3 IRQs */
-
-		/* Then, configure CPLD interrupt */
-
-	CPLD_INTERRUPTS	=   0x0c; /* Disable all CPLD interrupts */
-	GPIO_PFDD	&= ~(1 << pinCPLD); /* Make input */
-	GPIO_INTTYPE1	|=  (1 << pinCPLD); /* Edge triggered */
-	GPIO_INTTYPE2	&= ~(1 << pinCPLD); /* Active low */
-	barrier ();
-	GPIO_GPIOFINTEN |=  (1 << pinCPLD); /* Enable */
-
-		/* Cascade CPLD interrupts */
-
-	for (irq = IRQ_BOARD_START;
-	     irq < IRQ_BOARD_START + NR_IRQ_BOARD; ++irq) {
-		set_irq_chip (irq, &lh7a40x_cpld_chip);
-		set_irq_handler (irq, handle_edge_irq);
-		set_irq_flags (irq, IRQF_VALID);
-	}
-
-	set_irq_chained_handler ((cpld_version == 0x28)
-				 ? IRQ_CPLD_V28
-				 : IRQ_CPLD_V34,
-				 lh7a40x_cpld_handler);
-}