162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ci// 362306a36Sopenharmony_ci// Samsung's S3C64XX flattened device tree enabled machine 462306a36Sopenharmony_ci// 562306a36Sopenharmony_ci// Copyright (c) 2013 Tomasz Figa <tomasz.figa@gmail.com> 662306a36Sopenharmony_ci 762306a36Sopenharmony_ci#include <asm/mach/arch.h> 862306a36Sopenharmony_ci#include <asm/mach/map.h> 962306a36Sopenharmony_ci#include <asm/system_misc.h> 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci#include "cpu.h" 1262306a36Sopenharmony_ci#include "map.h" 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ci#include "s3c64xx.h" 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_ci/* 1762306a36Sopenharmony_ci * IO mapping for shared system controller IP. 1862306a36Sopenharmony_ci * 1962306a36Sopenharmony_ci * FIXME: Make remaining drivers use dynamic mapping. 2062306a36Sopenharmony_ci */ 2162306a36Sopenharmony_cistatic struct map_desc s3c64xx_dt_iodesc[] __initdata = { 2262306a36Sopenharmony_ci { 2362306a36Sopenharmony_ci .virtual = (unsigned long)S3C_VA_SYS, 2462306a36Sopenharmony_ci .pfn = __phys_to_pfn(S3C64XX_PA_SYSCON), 2562306a36Sopenharmony_ci .length = SZ_4K, 2662306a36Sopenharmony_ci .type = MT_DEVICE, 2762306a36Sopenharmony_ci }, 2862306a36Sopenharmony_ci}; 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_cistatic void __init s3c64xx_dt_map_io(void) 3162306a36Sopenharmony_ci{ 3262306a36Sopenharmony_ci debug_ll_io_init(); 3362306a36Sopenharmony_ci iotable_init(s3c64xx_dt_iodesc, ARRAY_SIZE(s3c64xx_dt_iodesc)); 3462306a36Sopenharmony_ci 3562306a36Sopenharmony_ci s3c64xx_init_cpu(); 3662306a36Sopenharmony_ci 3762306a36Sopenharmony_ci if (!soc_is_s3c64xx()) 3862306a36Sopenharmony_ci panic("SoC is not S3C64xx!"); 3962306a36Sopenharmony_ci} 4062306a36Sopenharmony_ci 4162306a36Sopenharmony_cistatic const char *const s3c64xx_dt_compat[] __initconst = { 4262306a36Sopenharmony_ci "samsung,s3c6400", 4362306a36Sopenharmony_ci "samsung,s3c6410", 4462306a36Sopenharmony_ci NULL 4562306a36Sopenharmony_ci}; 4662306a36Sopenharmony_ci 4762306a36Sopenharmony_ciDT_MACHINE_START(S3C6400_DT, "Samsung S3C64xx (Flattened Device Tree)") 4862306a36Sopenharmony_ci /* Maintainer: Tomasz Figa <tomasz.figa@gmail.com> */ 4962306a36Sopenharmony_ci .dt_compat = s3c64xx_dt_compat, 5062306a36Sopenharmony_ci .map_io = s3c64xx_dt_map_io, 5162306a36Sopenharmony_ciMACHINE_END 52