2 * SAMSUNG EXYNOS5250 Flattened Device Tree enabled machine
4 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 * http://www.samsung.com
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
12 #include <linux/of_platform.h>
13 #include <linux/of_fdt.h>
16 #include <asm/mach/arch.h>
17 #include <mach/regs-pmu.h>
22 static void __init
exynos5_dt_machine_init(void)
24 struct device_node
*i2c_np
;
25 const char *i2c_compat
= "samsung,s3c2440-i2c";
29 * Exynos5's legacy i2c controller and new high speed i2c
30 * controller have muxed interrupt sources. By default the
31 * interrupts for 4-channel HS-I2C controller are enabled.
32 * If node for first four channels of legacy i2c controller
33 * are available then re-configure the interrupts via the
36 for_each_compatible_node(i2c_np
, NULL
, i2c_compat
) {
37 if (of_device_is_available(i2c_np
)) {
38 if (of_alias_get_id(i2c_np
, "i2c") < 4) {
39 tmp
= readl(EXYNOS5_SYS_I2C_CFG
);
40 writel(tmp
& ~(0x1 << of_alias_get_id(i2c_np
, "i2c")),
46 of_platform_populate(NULL
, of_default_bus_match_table
, NULL
, NULL
);
49 static char const *exynos5_dt_compat
[] __initdata
= {
56 static void __init
exynos5_reserve(void)
58 #ifdef CONFIG_S5P_DEV_MFC
59 struct s5p_mfc_dt_meminfo mfc_mem
;
61 /* Reserve memory for MFC only if it's available */
62 mfc_mem
.compatible
= "samsung,mfc-v6";
63 if (of_scan_flat_dt(s5p_fdt_find_mfc_mem
, &mfc_mem
))
64 s5p_mfc_reserve_mem(mfc_mem
.roff
, mfc_mem
.rsize
, mfc_mem
.loff
,
69 DT_MACHINE_START(EXYNOS5_DT
, "SAMSUNG EXYNOS5 (Flattened Device Tree)")
70 /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
71 .smp
= smp_ops(exynos_smp_ops
),
72 .map_io
= exynos_init_io
,
73 .init_machine
= exynos5_dt_machine_init
,
74 .init_late
= exynos_init_late
,
75 .dt_compat
= exynos5_dt_compat
,
76 .restart
= exynos5_restart
,
77 .reserve
= exynos5_reserve
,