arch/arm/mach-msm/devices-9615.c

/* Copyright (c) 2011, Code Aurora Forum. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.
 *
 * 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.
 *
 */

#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/irq.h>
#include <linux/io.h>
#include <asm/hardware/gic.h>
#include <mach/board.h>
#include <mach/msm_iomap.h>
#include <mach/irqs.h>
#include <mach/socinfo.h>
#include "devices.h"

void __init msm9615_device_init(void)
{
	if (socinfo_init() < 0)
		pr_err("socinfo_init() failed!\n");

}

void __init msm9615_map_io(void)
{
	msm_map_msm9615_io();
}

void __init msm9615_init_irq(void)
{
	unsigned int i;
	gic_init(0, GIC_PPI_START, MSM_QGIC_DIST_BASE,
						(void *)MSM_QGIC_CPU_BASE);

	/* Edge trigger PPIs except AVS_SVICINT and AVS_SVICINTSWDONE */
	writel_relaxed(0xFFFFD7FF, MSM_QGIC_DIST_BASE + GIC_DIST_CONFIG + 4);

	writel_relaxed(0x0000FFFF, MSM_QGIC_DIST_BASE + GIC_DIST_ENABLE_SET);
	mb();

	/*
	 * FIXME: Not installing AVS_SVICINT and AVS_SVICINTSWDONE yet
	 * as they are configured as level, which does not play nice with
	 * handle_percpu_irq.
	 */
	for (i = GIC_PPI_START; i < GIC_SPI_START; i++) {
		if (i != AVS_SVICINT && i != AVS_SVICINTSWDONE)
			irq_set_handler(i, handle_percpu_irq);
	}
}