#if defined(CONFIG_BCM_KF_ARM_BCM963XX)
/*
<:copyright-BRCM:2013:DUAL/GPL:standard

   Copyright (c) 2013 Broadcom 
   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, as published by
the Free Software Foundation (the "GPL").

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.


A copy of the GPL is available at http://www.broadcom.com/licenses/GPLv2.php, or by
writing to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.

:>
*/

/*
* Broadcom ARM based on Cortex A15 Platform base
*/


#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/clk.h>
#include <linux/errno.h>
#include <linux/smp.h>
#include <linux/clockchips.h>
#include <linux/ioport.h>
#include <linux/cpumask.h>
#include <linux/irq.h>
#include <asm/mach/map.h>
#include <linux/irqchip.h>
#include <linux/irqchip/arm-gic.h>
#include <mach/hardware.h>
#include <plat/b15core.h>
#include <bcm_map_part.h>

void __iomem * scu_base_addr(void)
{
	return __io_address(B15_PHYS_BASE + B15_SCU_OFF);
}

void __init b15_fixup(void)
{
	/* in case if any fixup that has to be done in really early
	 * stage of kernel booting */
}

/* map_io should be called the first, so we have the register base
 * address for the core. */
void __init b15_map_io(void)
{
	struct map_desc desc;

#if 0
	/* 
	 * Cortex A9 Architecture Manual specifies this as a way to get
	 * MPCORE PERHIPHBASE address at run-time
	 */
	asm("mrc p15,4,%0,c15,c0,0 @ Read Configuration Base Address Register" 
			: "=&r" (base_addr) : : "cc");

	printk(KERN_INFO "CA9 MPCORE found at %p\n", (void *)base_addr); 
#endif

	/* Fix-map the entire PERIPHBASE 2*4K register block */
	desc.virtual = IO_ADDRESS(B15_PHYS_BASE);
	desc.pfn = __phys_to_pfn(B15_PHYS_BASE);
	desc.length = SZ_64K;	// FIXME! 64K actually cover whole 0x10000 area.. a smaller value once RDB is out
	desc.type = MT_DEVICE;
	iotable_init(&desc, 1);
}

void __init b15_init_gic(void)
{
	printk(KERN_INFO "Broadcom B15 CORE GIC init\n");
	printk(KERN_INFO "DIST at %p, CPU_IF at %p\n",
			(void *)IO_ADDRESS(B15_PHYS_BASE) + B15_GIC_DIST_OFF,
			(void *)IO_ADDRESS(B15_PHYS_BASE) + B15_GIC_CPUIF_OFF);

	// FIXME!! hardcored value below for the interrupt line#, will need to define
	// the interrupt line# in a header file for all different chips
	gic_init(0, 16, (void *)IO_ADDRESS(B15_PHYS_BASE) + B15_GIC_DIST_OFF,
			(void *)IO_ADDRESS(B15_PHYS_BASE) + B15_GIC_CPUIF_OFF);

	//irq_set_handler(B15_IRQ_GLOBALTIMER, handle_percpu_irq);
	/* try it.. handle_edge_irq, handle_percpu_irq, or handle_level_irq */
}

void __init b15_init_early(void)
{
	/* NOP */
}

void __cpuinit b15_power_up_cpu(int cpu_id)
{
	B15CTRL->cpu_ctrl.cpu1_pwr_zone_ctrl |= 0x400;
	printk("%s:Power up CPU1\n", __func__);

	B15CTRL->cpu_ctrl.reset_cfg &= 0xfffffffd;
	printk("%s:release reset to CPU1\n", __func__);
}

/*
 * For SMP - initialize GIC CPU interface for secondary cores
 */
void __cpuinit b15_cpu_init(void)
{
	/* Initialize the GIC CPU interface for the next processor */
#if 0
	gic_cpu_init(0, (void *)IO_ADDRESS(SCU_PHYS_BASE) + B15_GIC_CPUIF_OFF);
#endif
}

#endif /* CONFIG_BCM_KF_ARM_BCM963XX */