linux-sg2042/arch/arm/mach-exynos/mach-exynos4-dt.c

62 lines
1.7 KiB
C

/*
* Samsung's EXYNOS4 flattened device tree enabled machine
*
* Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
* http://www.samsung.com
* Copyright (c) 2010-2011 Linaro Ltd.
* www.linaro.org
*
* 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.
*/
#include <linux/kernel.h>
#include <linux/of_platform.h>
#include <linux/of_fdt.h>
#include <linux/serial_core.h>
#include <linux/memblock.h>
#include <linux/clocksource.h>
#include <asm/mach/arch.h>
#include <plat/mfc.h>
#include "common.h"
static void __init exynos4_dt_machine_init(void)
{
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
}
static char const *exynos4_dt_compat[] __initdata = {
"samsung,exynos4210",
"samsung,exynos4212",
"samsung,exynos4412",
NULL
};
static void __init exynos4_reserve(void)
{
#ifdef CONFIG_S5P_DEV_MFC
struct s5p_mfc_dt_meminfo mfc_mem;
/* Reserve memory for MFC only if it's available */
mfc_mem.compatible = "samsung,mfc-v5";
if (of_scan_flat_dt(s5p_fdt_find_mfc_mem, &mfc_mem))
s5p_mfc_reserve_mem(mfc_mem.roff, mfc_mem.rsize, mfc_mem.loff,
mfc_mem.lsize);
#endif
}
DT_MACHINE_START(EXYNOS4210_DT, "Samsung Exynos4 (Flattened Device Tree)")
/* Maintainer: Thomas Abraham <thomas.abraham@linaro.org> */
.smp = smp_ops(exynos_smp_ops),
.map_io = exynos_init_io,
.init_early = exynos_firmware_init,
.init_machine = exynos4_dt_machine_init,
.init_late = exynos_init_late,
.init_time = exynos_init_time,
.dt_compat = exynos4_dt_compat,
.restart = exynos4_restart,
.reserve = exynos4_reserve,
MACHINE_END