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)  * sh73a0 processor support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright (C) 2010  Takashi Yoshii
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Copyright (C) 2010  Magnus Damm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * Copyright (C) 2008  Yoshihiro Shimoda
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/input.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <asm/hardware/cache-l2x0.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <asm/mach/map.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <asm/mach/arch.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <asm/mach/time.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include "common.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include "sh73a0.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) static struct map_desc sh73a0_io_desc[] __initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	/* create a 1:1 identity mapping for 0xe6xxxxxx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	 * used by CPGA, INTC and PFC.
^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) 		.virtual	= 0xe6000000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 		.pfn		= __phys_to_pfn(0xe6000000),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 		.length		= 256 << 20,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 		.type		= MT_DEVICE_NONSHARED
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) static void __init sh73a0_map_io(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	debug_ll_io_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	iotable_init(sh73a0_io_desc, ARRAY_SIZE(sh73a0_io_desc));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) static void __init sh73a0_generic_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #ifdef CONFIG_CACHE_L2X0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	/* Shared attribute override enable, 64K*8way */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	l2x0_init(IOMEM(0xf0100000), 0x00400000, 0xc20f0fff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) static const char *const sh73a0_boards_compat_dt[] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	"renesas,sh73a0",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) DT_MACHINE_START(SH73A0_DT, "Generic SH73A0 (Flattened Device Tree)")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	.smp		= smp_ops(sh73a0_smp_ops),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 	.map_io		= sh73a0_map_io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 	.init_machine	= sh73a0_generic_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	.init_late	= shmobile_init_late,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	.dt_compat	= sh73a0_boards_compat_dt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) MACHINE_END