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gerrit-public.fairphone.software / kernel / msm-4.9 / bf9621aaa0bb94dcd3b198ca14d3220310655eea / . / arch / arm / mach-exynos / mach-exynos4-dt.c
blob: 0099c6c13bbaa9504dccd6fa760c21273de41d3f [file] [log] [blame]
Thomas Abraham6b5ab4f2011-11-06 21:54:27 +0530[diff] [blame]1/*
Tomasz Figa3579a5822012-09-21 10:13:29 +0900[diff] [blame]2 * Samsung's EXYNOS4 flattened device tree enabled machine
Thomas Abraham6b5ab4f2011-11-06 21:54:27 +0530[diff] [blame]3 *
4 * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
5 * http://www.samsung.com
6 * Copyright (c) 2010-2011 Linaro Ltd.
7 * www.linaro.org
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12*/
13
Thomas Abrahamee6c71372013-03-09 17:10:23 +0900[diff] [blame]14#include <linux/kernel.h>
Thomas Abraham6b5ab4f2011-11-06 21:54:27 +0530[diff] [blame]15#include <linux/of_platform.h>
Sachin Kamat20901f72013-02-08 13:58:17 -0800[diff] [blame]16#include <linux/of_fdt.h>
Thomas Abraham6b5ab4f2011-11-06 21:54:27 +0530[diff] [blame]17#include <linux/serial_core.h>
Sachin Kamat20901f72013-02-08 13:58:17 -0800[diff] [blame]18#include <linux/memblock.h>
Thomas Abraham9fbf0c82013-03-09 16:10:03 +0900[diff] [blame]19#include <linux/clocksource.h>
Thomas Abraham6b5ab4f2011-11-06 21:54:27 +0530[diff] [blame]20
21#include <asm/mach/arch.h>
Sachin Kamat20901f72013-02-08 13:58:17 -0800[diff] [blame]22#include <plat/mfc.h>
Karol Lewandowski35bded82012-02-08 11:42:39 +0900[diff] [blame]23
24#include "common.h"
Thomas Abraham6b5ab4f2011-11-06 21:54:27 +0530[diff] [blame]25
Tomasz Figa3579a5822012-09-21 10:13:29 +0900[diff] [blame]26static void __init exynos4_dt_machine_init(void)
Thomas Abraham6b5ab4f2011-11-06 21:54:27 +0530[diff] [blame]27{
Thomas Abrahamee6c71372013-03-09 17:10:23 +0900[diff] [blame]28 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
Thomas Abraham6b5ab4f2011-11-06 21:54:27 +0530[diff] [blame]29}
30
Tomasz Figa3579a5822012-09-21 10:13:29 +0900[diff] [blame]31static char const *exynos4_dt_compat[] __initdata = {
Thomas Abraham6b5ab4f2011-11-06 21:54:27 +0530[diff] [blame]32 "samsung,exynos4210",
Tomasz Figa0f7238a2012-11-06 15:09:04 +0900[diff] [blame]33 "samsung,exynos4212",
34 "samsung,exynos4412",
Thomas Abraham6b5ab4f2011-11-06 21:54:27 +0530[diff] [blame]35 NULL
36};
37
Sachin Kamat20901f72013-02-08 13:58:17 -0800[diff] [blame]38static void __init exynos4_reserve(void)
39{
40#ifdef CONFIG_S5P_DEV_MFC
41 struct s5p_mfc_dt_meminfo mfc_mem;
42
43 /* Reserve memory for MFC only if it's available */
44 mfc_mem.compatible = "samsung,mfc-v5";
45 if (of_scan_flat_dt(s5p_fdt_find_mfc_mem, &mfc_mem))
46 s5p_mfc_reserve_mem(mfc_mem.roff, mfc_mem.rsize, mfc_mem.loff,
47 mfc_mem.lsize);
48#endif
49}
Thomas Abraham6b5ab4f2011-11-06 21:54:27 +0530[diff] [blame]50DT_MACHINE_START(EXYNOS4210_DT, "Samsung Exynos4 (Flattened Device Tree)")
51 /* Maintainer: Thomas Abraham <thomas.abraham@linaro.org> */
Tomasz Figa61ef3c02012-10-22 08:16:44 +0900[diff] [blame]52 .smp = smp_ops(exynos_smp_ops),
Arnd Bergmann0e2238e2013-06-19 01:36:47 +0900[diff] [blame]53 .map_io = exynos_init_io,
Tomasz Figabca28f82012-12-11 13:58:43 +0900[diff] [blame]54 .init_early = exynos_firmware_init,
Tomasz Figa3579a5822012-09-21 10:13:29 +0900[diff] [blame]55 .init_machine = exynos4_dt_machine_init,
Shawn Guobb13fab2012-04-26 10:35:40 +0800[diff] [blame]56 .init_late = exynos_init_late,
Thomas Abraham6923ae42013-03-09 17:03:29 +0900[diff] [blame]57 .init_time = exynos_init_time,
Tomasz Figa3579a5822012-09-21 10:13:29 +0900[diff] [blame]58 .dt_compat = exynos4_dt_compat,
Karol Lewandowski35bded82012-02-08 11:42:39 +0900[diff] [blame]59 .restart = exynos4_restart,
Sachin Kamat20901f72013-02-08 13:58:17 -0800[diff] [blame]60 .reserve = exynos4_reserve,
Thomas Abraham6b5ab4f2011-11-06 21:54:27 +0530[diff] [blame]61MACHINE_END