| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * sh73a0 processor support |
| * |
| * Copyright (C) 2010 Takashi Yoshii |
| * Copyright (C) 2010 Magnus Damm |
| * Copyright (C) 2008 Yoshihiro Shimoda |
| */ |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/interrupt.h> |
| #include <linux/irq.h> |
| #include <linux/delay.h> |
| #include <linux/input.h> |
| #include <linux/io.h> |
| |
| #include <asm/hardware/cache-l2x0.h> |
| #include <asm/mach/map.h> |
| #include <asm/mach/arch.h> |
| #include <asm/mach/time.h> |
| |
| #include "common.h" |
| #include "sh73a0.h" |
| |
| static struct map_desc sh73a0_io_desc[] __initdata = { |
| /* create a 1:1 identity mapping for 0xe6xxxxxx |
| * used by CPGA, INTC and PFC. |
| */ |
| { |
| .virtual = 0xe6000000, |
| .pfn = __phys_to_pfn(0xe6000000), |
| .length = 256 << 20, |
| .type = MT_DEVICE_NONSHARED |
| }, |
| }; |
| |
| static void __init sh73a0_map_io(void) |
| { |
| debug_ll_io_init(); |
| iotable_init(sh73a0_io_desc, ARRAY_SIZE(sh73a0_io_desc)); |
| } |
| |
| static void __init sh73a0_generic_init(void) |
| { |
| #ifdef CONFIG_CACHE_L2X0 |
| /* Shared attribute override enable, 64K*8way */ |
| l2x0_init(IOMEM(0xf0100000), 0x00400000, 0xc20f0fff); |
| #endif |
| } |
| |
| static const char *const sh73a0_boards_compat_dt[] __initconst = { |
| "renesas,sh73a0", |
| NULL, |
| }; |
| |
| DT_MACHINE_START(SH73A0_DT, "Generic SH73A0 (Flattened Device Tree)") |
| .smp = smp_ops(sh73a0_smp_ops), |
| .map_io = sh73a0_map_io, |
| .init_early = shmobile_init_delay, |
| .init_machine = sh73a0_generic_init, |
| .init_late = shmobile_init_late, |
| .dt_compat = sh73a0_boards_compat_dt, |
| MACHINE_END |