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/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
* Copyright (C) 2014 Kevin Cernekee <cernekee@gmail.com>
*/
#include <linux/init.h>
#include <linux/bootmem.h>
#include <linux/clk-provider.h>
#include <linux/ioport.h>
#include <linux/of.h>
#include <linux/of_fdt.h>
#include <linux/of_platform.h>
#include <linux/smp.h>
#include <asm/addrspace.h>
#include <asm/bmips.h>
#include <asm/bootinfo.h>
#include <asm/prom.h>
#include <asm/smp-ops.h>
#include <asm/time.h>
void __init prom_init(void)
{
register_bmips_smp_ops();
}
void __init prom_free_prom_memory(void)
{
}
const char *get_system_type(void)
{
return "BCM3384";
}
void __init plat_time_init(void)
{
struct device_node *np;
u32 freq;
np = of_find_node_by_name(NULL, "cpus");
if (!np)
panic("missing 'cpus' DT node");
if (of_property_read_u32(np, "mips-hpt-frequency", &freq) < 0)
panic("missing 'mips-hpt-frequency' property");
of_node_put(np);
mips_hpt_frequency = freq;
}
void __init plat_mem_setup(void)
{
void *dtb = __dtb_start;
set_io_port_base(0);
ioport_resource.start = 0;
ioport_resource.end = ~0;
/* intended to somewhat resemble ARM; see Documentation/arm/Booting */
if (fw_arg0 == 0 && fw_arg1 == 0xffffffff)
dtb = phys_to_virt(fw_arg2);
__dt_setup_arch(dtb);
strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE);
}
void __init device_tree_init(void)
{
struct device_node *np;
unflatten_and_copy_device_tree();
/* Disable SMP boot unless both CPUs are listed in DT and !disabled */
np = of_find_node_by_name(NULL, "cpus");
if (np && of_get_available_child_count(np) <= 1)
bmips_smp_enabled = 0;
of_node_put(np);
}
int __init plat_of_setup(void)
{
return __dt_register_buses("brcm,bcm3384", "simple-bus");
}
arch_initcall(plat_of_setup);
static int __init plat_dev_init(void)
{
of_clk_init(NULL);
return 0;
}
device_initcall(plat_dev_init);
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