1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * sh73a0 processor support
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2010 Takashi Yoshii
6*4882a593Smuzhiyun * Copyright (C) 2010 Magnus Damm
7*4882a593Smuzhiyun * Copyright (C) 2008 Yoshihiro Shimoda
8*4882a593Smuzhiyun */
9*4882a593Smuzhiyun #include <linux/kernel.h>
10*4882a593Smuzhiyun #include <linux/init.h>
11*4882a593Smuzhiyun #include <linux/interrupt.h>
12*4882a593Smuzhiyun #include <linux/irq.h>
13*4882a593Smuzhiyun #include <linux/delay.h>
14*4882a593Smuzhiyun #include <linux/input.h>
15*4882a593Smuzhiyun #include <linux/io.h>
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun #include <asm/hardware/cache-l2x0.h>
18*4882a593Smuzhiyun #include <asm/mach/map.h>
19*4882a593Smuzhiyun #include <asm/mach/arch.h>
20*4882a593Smuzhiyun #include <asm/mach/time.h>
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun #include "common.h"
23*4882a593Smuzhiyun #include "sh73a0.h"
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun static struct map_desc sh73a0_io_desc[] __initdata = {
26*4882a593Smuzhiyun /* create a 1:1 identity mapping for 0xe6xxxxxx
27*4882a593Smuzhiyun * used by CPGA, INTC and PFC.
28*4882a593Smuzhiyun */
29*4882a593Smuzhiyun {
30*4882a593Smuzhiyun .virtual = 0xe6000000,
31*4882a593Smuzhiyun .pfn = __phys_to_pfn(0xe6000000),
32*4882a593Smuzhiyun .length = 256 << 20,
33*4882a593Smuzhiyun .type = MT_DEVICE_NONSHARED
34*4882a593Smuzhiyun },
35*4882a593Smuzhiyun };
36*4882a593Smuzhiyun
sh73a0_map_io(void)37*4882a593Smuzhiyun static void __init sh73a0_map_io(void)
38*4882a593Smuzhiyun {
39*4882a593Smuzhiyun debug_ll_io_init();
40*4882a593Smuzhiyun iotable_init(sh73a0_io_desc, ARRAY_SIZE(sh73a0_io_desc));
41*4882a593Smuzhiyun }
42*4882a593Smuzhiyun
sh73a0_generic_init(void)43*4882a593Smuzhiyun static void __init sh73a0_generic_init(void)
44*4882a593Smuzhiyun {
45*4882a593Smuzhiyun #ifdef CONFIG_CACHE_L2X0
46*4882a593Smuzhiyun /* Shared attribute override enable, 64K*8way */
47*4882a593Smuzhiyun l2x0_init(IOMEM(0xf0100000), 0x00400000, 0xc20f0fff);
48*4882a593Smuzhiyun #endif
49*4882a593Smuzhiyun }
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun static const char *const sh73a0_boards_compat_dt[] __initconst = {
52*4882a593Smuzhiyun "renesas,sh73a0",
53*4882a593Smuzhiyun NULL,
54*4882a593Smuzhiyun };
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun DT_MACHINE_START(SH73A0_DT, "Generic SH73A0 (Flattened Device Tree)")
57*4882a593Smuzhiyun .smp = smp_ops(sh73a0_smp_ops),
58*4882a593Smuzhiyun .map_io = sh73a0_map_io,
59*4882a593Smuzhiyun .init_machine = sh73a0_generic_init,
60*4882a593Smuzhiyun .init_late = shmobile_init_late,
61*4882a593Smuzhiyun .dt_compat = sh73a0_boards_compat_dt,
62*4882a593Smuzhiyun MACHINE_END
63