0654f4ab2b
patch 738a0fd7 "ARM: at91: fix external interrupts in non-DT case"
fixed a run-time error on some at91 platforms but did not apply
the same change to at91x40, which now doesn't build.
This changes at91x40 in the same way that the other platforms
were changed.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
94 lines
2.2 KiB
C
94 lines
2.2 KiB
C
/*
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* arch/arm/mach-at91/at91x40.c
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*
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* (C) Copyright 2007, Greg Ungerer <gerg@snapgear.com>
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* Copyright (C) 2005 SAN People
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/irq.h>
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#include <linux/io.h>
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#include <asm/proc-fns.h>
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#include <asm/system_misc.h>
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#include <asm/mach/arch.h>
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#include <mach/at91x40.h>
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#include <mach/at91_aic.h>
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#include <mach/at91_st.h>
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#include <mach/timex.h>
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#include "generic.h"
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/*
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* Export the clock functions for the AT91X40. Some external code common
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* to all AT91 family parts relys on this, like the gpio and serial support.
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*/
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int clk_enable(struct clk *clk)
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{
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return 0;
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}
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void clk_disable(struct clk *clk)
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{
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}
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unsigned long clk_get_rate(struct clk *clk)
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{
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return AT91X40_MASTER_CLOCK;
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}
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static void at91x40_idle(void)
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{
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/*
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* Disable the processor clock. The processor will be automatically
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* re-enabled by an interrupt or by a reset.
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*/
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__raw_writel(AT91_PS_CR_CPU, AT91_IO_P2V(AT91_PS_CR));
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cpu_do_idle();
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}
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void __init at91x40_initialize(unsigned long main_clock)
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{
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arm_pm_idle = at91x40_idle;
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at91_extern_irq = (1 << AT91X40_ID_IRQ0) | (1 << AT91X40_ID_IRQ1)
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| (1 << AT91X40_ID_IRQ2);
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}
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/*
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* The default interrupt priority levels (0 = lowest, 7 = highest).
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*/
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static unsigned int at91x40_default_irq_priority[NR_AIC_IRQS] __initdata = {
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7, /* Advanced Interrupt Controller (FIQ) */
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0, /* System Peripherals */
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0, /* USART 0 */
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0, /* USART 1 */
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2, /* Timer Counter 0 */
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2, /* Timer Counter 1 */
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2, /* Timer Counter 2 */
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0, /* Watchdog timer */
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0, /* Parallel IO Controller A */
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0, /* Reserved */
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0, /* Reserved */
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0, /* Reserved */
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0, /* Reserved */
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0, /* Reserved */
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0, /* Reserved */
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0, /* Reserved */
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0, /* External IRQ0 */
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0, /* External IRQ1 */
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0, /* External IRQ2 */
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};
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void __init at91x40_init_interrupts(unsigned int priority[NR_AIC_IRQS])
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{
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if (!priority)
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priority = at91x40_default_irq_priority;
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at91_aic_init(priority, at91_extern_irq);
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}
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