/* * arch/arm/mach-at91/at91x40.c * * (C) Copyright 2007, Greg Ungerer <gerg@snapgear.com> * Copyright (C) 2005 SAN People * * 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. */ #include <linux/kernel.h> #include <linux/init.h> #include <linux/irq.h> #include <asm/mach/arch.h> #include <mach/at91x40.h> #include <mach/at91_st.h> #include <mach/timex.h> #include "generic.h" /* * Export the clock functions for the AT91X40. Some external code common * to all AT91 family parts relys on this, like the gpio and serial support. */ int clk_enable(struct clk *clk) { return 0; } void clk_disable(struct clk *clk) { } unsigned long clk_get_rate(struct clk *clk) { return AT91X40_MASTER_CLOCK; } void __init at91x40_initialize(unsigned long main_clock) { at91_extern_irq = (1 << AT91X40_ID_IRQ0) | (1 << AT91X40_ID_IRQ1) | (1 << AT91X40_ID_IRQ2); } /* * The default interrupt priority levels (0 = lowest, 7 = highest). */ static unsigned int at91x40_default_irq_priority[NR_AIC_IRQS] __initdata = { 7, /* Advanced Interrupt Controller (FIQ) */ 0, /* System Peripherals */ 0, /* USART 0 */ 0, /* USART 1 */ 2, /* Timer Counter 0 */ 2, /* Timer Counter 1 */ 2, /* Timer Counter 2 */ 0, /* Watchdog timer */ 0, /* Parallel IO Controller A */ 0, /* Reserved */ 0, /* Reserved */ 0, /* Reserved */ 0, /* Reserved */ 0, /* Reserved */ 0, /* Reserved */ 0, /* Reserved */ 0, /* External IRQ0 */ 0, /* External IRQ1 */ 0, /* External IRQ2 */ }; void __init at91x40_init_interrupts(unsigned int priority[NR_AIC_IRQS]) { if (!priority) priority = at91x40_default_irq_priority; at91_aic_init(priority); }