1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // Samsung's S3C64XX flattened device tree enabled machine
4 //
5 // Copyright (c) 2013 Tomasz Figa <tomasz.figa@gmail.com>
6
7 #include <asm/mach/arch.h>
8 #include <asm/mach/map.h>
9 #include <asm/system_misc.h>
10
11 #include "cpu.h"
12 #include "map.h"
13
14 #include "s3c64xx.h"
15
16 /*
17 * IO mapping for shared system controller IP.
18 *
19 * FIXME: Make remaining drivers use dynamic mapping.
20 */
21 static struct map_desc s3c64xx_dt_iodesc[] __initdata = {
22 {
23 .virtual = (unsigned long)S3C_VA_SYS,
24 .pfn = __phys_to_pfn(S3C64XX_PA_SYSCON),
25 .length = SZ_4K,
26 .type = MT_DEVICE,
27 },
28 };
29
30 static void __init s3c64xx_dt_map_io(void)
31 {
32 debug_ll_io_init();
33 iotable_init(s3c64xx_dt_iodesc, ARRAY_SIZE(s3c64xx_dt_iodesc));
34
35 s3c64xx_init_cpu();
36
37 if (!soc_is_s3c64xx())
38 panic("SoC is not S3C64xx!");
39 }
40
41 static const char *const s3c64xx_dt_compat[] __initconst = {
42 "samsung,s3c6400",
43 "samsung,s3c6410",
44 NULL
45 };
46
47 DT_MACHINE_START(S3C6400_DT, "Samsung S3C64xx (Flattened Device Tree)")
48 /* Maintainer: Tomasz Figa <tomasz.figa@gmail.com> */
49 .dt_compat = s3c64xx_dt_compat,
50 .map_io = s3c64xx_dt_map_io,
51 MACHINE_END
52
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