arch/arm/mach-msm/board-copper.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/io.h>
#include <linux/irq.h>
#include <linux/irqdomain.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_platform.h>
#include <asm/mach/map.h>
#include <asm/hardware/gic.h>
#include <mach/board.h>
#include <mach/gpio.h>
#include <mach/gpiomux.h>
#include <mach/msm_iomap.h>
#include "clock.h"

static int __init gpiomux_init(void)
{
	int rc;

	rc = msm_gpiomux_init(NR_GPIO_IRQS);
	if (rc) {
		pr_err("%s: msm_gpiomux_init failed %d\n", __func__, rc);
		return rc;
	}

	return 0;
}

void __init msm_copper_add_devices(void)
{
}

static struct of_device_id msm_copper_gic_match[] __initdata = {
	{ .compatible = "qcom,msm-qgic2", },
	{}
};

void __init msm_copper_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);
	}
	irq_domain_generate_simple(msm_copper_gic_match,
		COPPER_QGIC_DIST_PHYS, GIC_SPI_START);
}

static struct clk_lookup msm_clocks_dummy[] = {
	CLK_DUMMY("core_clk",	BLSP2_UART_CLK,	"msm_serial_hsl.0",	OFF),
	CLK_DUMMY("iface_clk",	BLSP2_UART_CLK,	"msm_serial_hsl.0",	OFF),
	CLK_DUMMY("core_clk",	SDC1_CLK,	NULL,			OFF),
	CLK_DUMMY("iface_clk",	SDC1_P_CLK,	NULL,			OFF),
	CLK_DUMMY("core_clk",	SDC3_CLK,	NULL,			OFF),
	CLK_DUMMY("iface_clk",	SDC3_P_CLK,	NULL,			OFF),
	CLK_DUMMY("usb_phy_clk", NULL, NULL, OFF),
	CLK_DUMMY("usb_hs_clk", NULL, NULL, OFF),
	CLK_DUMMY("usb_hs_pclk", NULL, NULL, OFF),
	CLK_DUMMY("dfab_clk",	DFAB_CLK,	NULL, 0),
	CLK_DUMMY("dma_bam_pclk",	DMA_BAM_P_CLK,	NULL, 0),
	CLK_DUMMY("mem_clk",	NULL,	NULL, 0),
};

struct clock_init_data msm_dummy_clock_init_data __initdata = {
	.table = msm_clocks_dummy,
	.size = ARRAY_SIZE(msm_clocks_dummy),
};

static struct of_dev_auxdata msm_copper_auxdata_lookup[] __initdata = {
	OF_DEV_AUXDATA("qcom,msm-lsuart-v14", 0xF991F000, \
			"msm_serial_hsl.0", NULL),
	{}
};

void __init msm_copper_init(struct of_dev_auxdata **adata)
{
	if (gpiomux_init())
		pr_err("%s: gpiomux_init() failed\n", __func__);
	msm_clock_init(&msm_dummy_clock_init_data);

	*adata = msm_copper_auxdata_lookup;
}