| 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(fmt: "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 | |
|---|
