Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) // Samsung's S3C64XX flattened device tree enabled machine
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) // Copyright (c) 2013 Tomasz Figa <tomasz.figa@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <asm/mach/arch.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <asm/mach/map.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <asm/system_misc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include "cpu.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "map.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "s3c64xx.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)  * IO mapping for shared system controller IP.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)  * FIXME: Make remaining drivers use dynamic mapping.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) static struct map_desc s3c64xx_dt_iodesc[] __initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 		.virtual	= (unsigned long)S3C_VA_SYS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 		.pfn		= __phys_to_pfn(S3C64XX_PA_SYSCON),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 		.length		= SZ_4K,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 		.type		= MT_DEVICE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) static void __init s3c64xx_dt_map_io(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	debug_ll_io_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	iotable_init(s3c64xx_dt_iodesc, ARRAY_SIZE(s3c64xx_dt_iodesc));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	s3c64xx_init_cpu();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	if (!soc_is_s3c64xx())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 		panic("SoC is not S3C64xx!");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) static const char *const s3c64xx_dt_compat[] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	"samsung,s3c6400",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	"samsung,s3c6410",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) DT_MACHINE_START(S3C6400_DT, "Samsung S3C64xx (Flattened Device Tree)")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	/* Maintainer: Tomasz Figa <tomasz.figa@gmail.com> */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	.dt_compat	= s3c64xx_dt_compat,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	.map_io		= s3c64xx_dt_map_io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) MACHINE_END