1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun //
3*4882a593Smuzhiyun // Samsung's S3C64XX flattened device tree enabled machine
4*4882a593Smuzhiyun //
5*4882a593Smuzhiyun // Copyright (c) 2013 Tomasz Figa <tomasz.figa@gmail.com>
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #include <asm/mach/arch.h>
8*4882a593Smuzhiyun #include <asm/mach/map.h>
9*4882a593Smuzhiyun #include <asm/system_misc.h>
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #include "cpu.h"
12*4882a593Smuzhiyun #include "map.h"
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun #include "s3c64xx.h"
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun /*
17*4882a593Smuzhiyun * IO mapping for shared system controller IP.
18*4882a593Smuzhiyun *
19*4882a593Smuzhiyun * FIXME: Make remaining drivers use dynamic mapping.
20*4882a593Smuzhiyun */
21*4882a593Smuzhiyun static struct map_desc s3c64xx_dt_iodesc[] __initdata = {
22*4882a593Smuzhiyun {
23*4882a593Smuzhiyun .virtual = (unsigned long)S3C_VA_SYS,
24*4882a593Smuzhiyun .pfn = __phys_to_pfn(S3C64XX_PA_SYSCON),
25*4882a593Smuzhiyun .length = SZ_4K,
26*4882a593Smuzhiyun .type = MT_DEVICE,
27*4882a593Smuzhiyun },
28*4882a593Smuzhiyun };
29*4882a593Smuzhiyun
s3c64xx_dt_map_io(void)30*4882a593Smuzhiyun static void __init s3c64xx_dt_map_io(void)
31*4882a593Smuzhiyun {
32*4882a593Smuzhiyun debug_ll_io_init();
33*4882a593Smuzhiyun iotable_init(s3c64xx_dt_iodesc, ARRAY_SIZE(s3c64xx_dt_iodesc));
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun s3c64xx_init_cpu();
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun if (!soc_is_s3c64xx())
38*4882a593Smuzhiyun panic("SoC is not S3C64xx!");
39*4882a593Smuzhiyun }
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun static const char *const s3c64xx_dt_compat[] __initconst = {
42*4882a593Smuzhiyun "samsung,s3c6400",
43*4882a593Smuzhiyun "samsung,s3c6410",
44*4882a593Smuzhiyun NULL
45*4882a593Smuzhiyun };
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun DT_MACHINE_START(S3C6400_DT, "Samsung S3C64xx (Flattened Device Tree)")
48*4882a593Smuzhiyun /* Maintainer: Tomasz Figa <tomasz.figa@gmail.com> */
49*4882a593Smuzhiyun .dt_compat = s3c64xx_dt_compat,
50*4882a593Smuzhiyun .map_io = s3c64xx_dt_map_io,
51*4882a593Smuzhiyun MACHINE_END
52