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@@ -1,395 +0,0 @@
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-/*
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- * linux/arch/arm/mach-clps7500/core.c
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- *
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- * Copyright (C) 1998 Russell King
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- * Copyright (C) 1999 Nexus Electronics Ltd
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- *
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- * Extra MM routines for CL7500 architecture
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- */
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-#include <linux/kernel.h>
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-#include <linux/types.h>
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-#include <linux/interrupt.h>
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-#include <linux/irq.h>
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-#include <linux/list.h>
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-#include <linux/sched.h>
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-#include <linux/init.h>
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-#include <linux/device.h>
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-#include <linux/serial_8250.h>
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-#include <linux/io.h>
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-
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-#include <asm/mach/arch.h>
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-#include <asm/mach/map.h>
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-#include <asm/mach/irq.h>
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-#include <asm/mach/time.h>
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-
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-#include <mach/hardware.h>
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-#include <asm/hardware/iomd.h>
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-#include <asm/irq.h>
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-#include <asm/mach-types.h>
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-
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-unsigned int vram_size;
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-
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-static void cl7500_ack_irq_a(unsigned int irq)
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-{
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- unsigned int val, mask;
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-
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- mask = 1 << irq;
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- val = iomd_readb(IOMD_IRQMASKA);
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- iomd_writeb(val & ~mask, IOMD_IRQMASKA);
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- iomd_writeb(mask, IOMD_IRQCLRA);
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-}
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-
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-static void cl7500_mask_irq_a(unsigned int irq)
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-{
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- unsigned int val, mask;
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-
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- mask = 1 << irq;
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- val = iomd_readb(IOMD_IRQMASKA);
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- iomd_writeb(val & ~mask, IOMD_IRQMASKA);
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-}
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-
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-static void cl7500_unmask_irq_a(unsigned int irq)
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-{
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- unsigned int val, mask;
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-
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- mask = 1 << irq;
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- val = iomd_readb(IOMD_IRQMASKA);
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- iomd_writeb(val | mask, IOMD_IRQMASKA);
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-}
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-
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-static struct irq_chip clps7500_a_chip = {
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- .ack = cl7500_ack_irq_a,
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- .mask = cl7500_mask_irq_a,
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- .unmask = cl7500_unmask_irq_a,
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-};
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-
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-static void cl7500_mask_irq_b(unsigned int irq)
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-{
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- unsigned int val, mask;
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-
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- mask = 1 << (irq & 7);
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- val = iomd_readb(IOMD_IRQMASKB);
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- iomd_writeb(val & ~mask, IOMD_IRQMASKB);
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-}
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-
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-static void cl7500_unmask_irq_b(unsigned int irq)
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-{
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- unsigned int val, mask;
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-
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- mask = 1 << (irq & 7);
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- val = iomd_readb(IOMD_IRQMASKB);
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- iomd_writeb(val | mask, IOMD_IRQMASKB);
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-}
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-
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-static struct irq_chip clps7500_b_chip = {
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- .ack = cl7500_mask_irq_b,
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- .mask = cl7500_mask_irq_b,
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- .unmask = cl7500_unmask_irq_b,
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-};
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-
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-static void cl7500_mask_irq_c(unsigned int irq)
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-{
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- unsigned int val, mask;
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-
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- mask = 1 << (irq & 7);
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- val = iomd_readb(IOMD_IRQMASKC);
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- iomd_writeb(val & ~mask, IOMD_IRQMASKC);
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-}
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-
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-static void cl7500_unmask_irq_c(unsigned int irq)
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-{
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- unsigned int val, mask;
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-
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- mask = 1 << (irq & 7);
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- val = iomd_readb(IOMD_IRQMASKC);
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- iomd_writeb(val | mask, IOMD_IRQMASKC);
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-}
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-
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-static struct irq_chip clps7500_c_chip = {
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- .ack = cl7500_mask_irq_c,
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- .mask = cl7500_mask_irq_c,
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- .unmask = cl7500_unmask_irq_c,
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-};
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-
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-static void cl7500_mask_irq_d(unsigned int irq)
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-{
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- unsigned int val, mask;
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-
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- mask = 1 << (irq & 7);
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- val = iomd_readb(IOMD_IRQMASKD);
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- iomd_writeb(val & ~mask, IOMD_IRQMASKD);
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-}
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-
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-static void cl7500_unmask_irq_d(unsigned int irq)
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-{
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- unsigned int val, mask;
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-
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- mask = 1 << (irq & 7);
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- val = iomd_readb(IOMD_IRQMASKD);
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- iomd_writeb(val | mask, IOMD_IRQMASKD);
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-}
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-
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-static struct irq_chip clps7500_d_chip = {
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- .ack = cl7500_mask_irq_d,
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- .mask = cl7500_mask_irq_d,
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- .unmask = cl7500_unmask_irq_d,
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-};
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-
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-static void cl7500_mask_irq_dma(unsigned int irq)
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-{
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- unsigned int val, mask;
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-
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- mask = 1 << (irq & 7);
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- val = iomd_readb(IOMD_DMAMASK);
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- iomd_writeb(val & ~mask, IOMD_DMAMASK);
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-}
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-
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-static void cl7500_unmask_irq_dma(unsigned int irq)
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-{
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- unsigned int val, mask;
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-
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- mask = 1 << (irq & 7);
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- val = iomd_readb(IOMD_DMAMASK);
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- iomd_writeb(val | mask, IOMD_DMAMASK);
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-}
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-
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-static struct irq_chip clps7500_dma_chip = {
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- .ack = cl7500_mask_irq_dma,
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- .mask = cl7500_mask_irq_dma,
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- .unmask = cl7500_unmask_irq_dma,
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-};
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-
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-static void cl7500_mask_irq_fiq(unsigned int irq)
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-{
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- unsigned int val, mask;
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-
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- mask = 1 << (irq & 7);
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- val = iomd_readb(IOMD_FIQMASK);
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- iomd_writeb(val & ~mask, IOMD_FIQMASK);
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-}
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-
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-static void cl7500_unmask_irq_fiq(unsigned int irq)
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-{
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- unsigned int val, mask;
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-
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- mask = 1 << (irq & 7);
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- val = iomd_readb(IOMD_FIQMASK);
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- iomd_writeb(val | mask, IOMD_FIQMASK);
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-}
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-
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-static struct irq_chip clps7500_fiq_chip = {
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- .ack = cl7500_mask_irq_fiq,
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- .mask = cl7500_mask_irq_fiq,
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- .unmask = cl7500_unmask_irq_fiq,
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-};
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-
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-static void cl7500_no_action(unsigned int irq)
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-{
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-}
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-
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-static struct irq_chip clps7500_no_chip = {
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- .ack = cl7500_no_action,
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- .mask = cl7500_no_action,
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- .unmask = cl7500_no_action,
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-};
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-
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-static struct irqaction irq_isa = {
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- .handler = no_action,
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- .mask = CPU_MASK_NONE,
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- .name = "isa",
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-};
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-
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-static void __init clps7500_init_irq(void)
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-{
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- unsigned int irq, flags;
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-
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- iomd_writeb(0, IOMD_IRQMASKA);
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- iomd_writeb(0, IOMD_IRQMASKB);
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- iomd_writeb(0, IOMD_FIQMASK);
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- iomd_writeb(0, IOMD_DMAMASK);
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-
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- for (irq = 0; irq < NR_IRQS; irq++) {
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- flags = IRQF_VALID;
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-
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- if (irq <= 6 || (irq >= 9 && irq <= 15) ||
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- (irq >= 48 && irq <= 55))
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- flags |= IRQF_PROBE;
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-
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- switch (irq) {
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- case 0 ... 7:
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- set_irq_chip(irq, &clps7500_a_chip);
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- set_irq_handler(irq, handle_level_irq);
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- set_irq_flags(irq, flags);
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- break;
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-
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- case 8 ... 15:
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- set_irq_chip(irq, &clps7500_b_chip);
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- set_irq_handler(irq, handle_level_irq);
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- set_irq_flags(irq, flags);
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- break;
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-
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- case 16 ... 22:
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- set_irq_chip(irq, &clps7500_dma_chip);
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- set_irq_handler(irq, handle_level_irq);
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- set_irq_flags(irq, flags);
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- break;
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-
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- case 24 ... 31:
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- set_irq_chip(irq, &clps7500_c_chip);
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- set_irq_handler(irq, handle_level_irq);
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- set_irq_flags(irq, flags);
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- break;
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-
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- case 40 ... 47:
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- set_irq_chip(irq, &clps7500_d_chip);
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- set_irq_handler(irq, handle_level_irq);
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- set_irq_flags(irq, flags);
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- break;
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-
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- case 48 ... 55:
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- set_irq_chip(irq, &clps7500_no_chip);
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- set_irq_handler(irq, handle_level_irq);
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- set_irq_flags(irq, flags);
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- break;
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-
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- case 64 ... 72:
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- set_irq_chip(irq, &clps7500_fiq_chip);
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- set_irq_handler(irq, handle_level_irq);
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- set_irq_flags(irq, flags);
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- break;
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- }
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- }
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-
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- setup_irq(IRQ_ISA, &irq_isa);
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-}
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-
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-static struct map_desc cl7500_io_desc[] __initdata = {
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- { /* IO space */
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- .virtual = (unsigned long)IO_BASE,
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- .pfn = __phys_to_pfn(IO_START),
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- .length = IO_SIZE,
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- .type = MT_DEVICE
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- }, { /* ISA space */
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- .virtual = ISA_BASE,
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- .pfn = __phys_to_pfn(ISA_START),
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- .length = ISA_SIZE,
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- .type = MT_DEVICE
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- }, { /* Flash */
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- .virtual = CLPS7500_FLASH_BASE,
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- .pfn = __phys_to_pfn(CLPS7500_FLASH_START),
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- .length = CLPS7500_FLASH_SIZE,
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- .type = MT_DEVICE
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- }, { /* LED */
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- .virtual = LED_BASE,
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- .pfn = __phys_to_pfn(LED_START),
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- .length = LED_SIZE,
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- .type = MT_DEVICE
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- }
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-};
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-
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-static void __init clps7500_map_io(void)
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-{
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- iotable_init(cl7500_io_desc, ARRAY_SIZE(cl7500_io_desc));
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-}
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-
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-extern void ioctime_init(void);
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-extern unsigned long ioc_timer_gettimeoffset(void);
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-
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-static irqreturn_t
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-clps7500_timer_interrupt(int irq, void *dev_id)
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-{
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- timer_tick();
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-
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- /* Why not using do_leds interface?? */
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- {
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- /* Twinkle the lights. */
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- static int count, state = 0xff00;
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- if (count-- == 0) {
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- state ^= 0x100;
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- count = 25;
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- *((volatile unsigned int *)LED_ADDRESS) = state;
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- }
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- }
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-
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- return IRQ_HANDLED;
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-}
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-
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-static struct irqaction clps7500_timer_irq = {
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- .name = "CLPS7500 Timer Tick",
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- .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
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- .handler = clps7500_timer_interrupt,
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-};
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-
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-/*
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- * Set up timer interrupt.
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- */
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-static void __init clps7500_timer_init(void)
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-{
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- ioctime_init();
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- setup_irq(IRQ_TIMER, &clps7500_timer_irq);
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-}
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-
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-static struct sys_timer clps7500_timer = {
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- .init = clps7500_timer_init,
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- .offset = ioc_timer_gettimeoffset,
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-};
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-
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-static struct plat_serial8250_port serial_platform_data[] = {
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- {
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- .mapbase = 0x03010fe0,
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- .irq = 10,
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- .uartclk = 1843200,
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- .regshift = 2,
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- .iotype = UPIO_MEM,
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- .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP | UPF_SKIP_TEST,
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- },
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- {
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- .mapbase = 0x03010be0,
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- .irq = 0,
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- .uartclk = 1843200,
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- .regshift = 2,
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- .iotype = UPIO_MEM,
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- .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP | UPF_SKIP_TEST,
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- },
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- {
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- .iobase = ISASLOT_IO + 0x2e8,
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- .irq = 41,
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- .uartclk = 1843200,
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- .regshift = 0,
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- .iotype = UPIO_PORT,
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- .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
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- },
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- {
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- .iobase = ISASLOT_IO + 0x3e8,
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- .irq = 40,
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- .uartclk = 1843200,
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- .regshift = 0,
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- .iotype = UPIO_PORT,
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- .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
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- },
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- { },
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-};
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-
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-static struct platform_device serial_device = {
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- .name = "serial8250",
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- .id = PLAT8250_DEV_PLATFORM,
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- .dev = {
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- .platform_data = serial_platform_data,
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- },
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-};
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-
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-static void __init clps7500_init(void)
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-{
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- platform_device_register(&serial_device);
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-}
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-
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-MACHINE_START(CLPS7500, "CL-PS7500")
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- /* Maintainer: Philip Blundell */
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- .phys_io = 0x03000000,
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- .io_pg_offst = ((0xe0000000) >> 18) & 0xfffc,
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- .map_io = clps7500_map_io,
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- .init_irq = clps7500_init_irq,
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- .init_machine = clps7500_init,
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- .timer = &clps7500_timer,
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-MACHINE_END
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-
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