| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* |
| 3 | * sh73a0 processor support |
| 4 | * |
| 5 | * Copyright (C) 2010 Takashi Yoshii |
| 6 | * Copyright (C) 2010 Magnus Damm |
| 7 | * Copyright (C) 2008 Yoshihiro Shimoda |
| 8 | */ |
| 9 | #include <linux/kernel.h> |
| 10 | #include <linux/init.h> |
| 11 | #include <linux/interrupt.h> |
| 12 | #include <linux/irq.h> |
| 13 | #include <linux/delay.h> |
| 14 | #include <linux/input.h> |
| 15 | #include <linux/io.h> |
| 16 | |
| 17 | #include <asm/hardware/cache-l2x0.h> |
| 18 | #include <asm/mach/map.h> |
| 19 | #include <asm/mach/arch.h> |
| 20 | #include <asm/mach/time.h> |
| 21 | |
| 22 | #include "common.h" |
| 23 | #include "sh73a0.h" |
| 24 | |
| 25 | static struct map_desc sh73a0_io_desc[] __initdata = { |
| 26 | /* create a 1:1 identity mapping for 0xe6xxxxxx |
| 27 | * used by CPGA, INTC and PFC. |
| 28 | */ |
| 29 | { |
| 30 | .virtual = 0xe6000000, |
| 31 | .pfn = __phys_to_pfn(0xe6000000), |
| 32 | .length = 256 << 20, |
| 33 | .type = MT_DEVICE_NONSHARED |
| 34 | }, |
| 35 | }; |
| 36 | |
| 37 | static void __init sh73a0_map_io(void) |
| 38 | { |
| 39 | debug_ll_io_init(); |
| 40 | iotable_init(sh73a0_io_desc, ARRAY_SIZE(sh73a0_io_desc)); |
| 41 | } |
| 42 | |
| 43 | static void __init sh73a0_generic_init(void) |
| 44 | { |
| 45 | #ifdef CONFIG_CACHE_L2X0 |
| 46 | /* Shared attribute override enable, 64K*8way */ |
| 47 | l2x0_init(IOMEM(0xf0100000), 0x00400000, 0xc20f0fff); |
| 48 | #endif |
| 49 | } |
| 50 | |
| 51 | static const char *const sh73a0_boards_compat_dt[] __initconst = { |
| 52 | "renesas,sh73a0", |
| 53 | NULL, |
| 54 | }; |
| 55 | |
| 56 | DT_MACHINE_START(SH73A0_DT, "Generic SH73A0 (Flattened Device Tree)") |
| 57 | .smp = smp_ops(sh73a0_smp_ops), |
| 58 | .map_io = sh73a0_map_io, |
| 59 | .init_early = shmobile_init_delay, |
| 60 | .init_machine = sh73a0_generic_init, |
| 61 | .init_late = shmobile_init_late, |
| 62 | .dt_compat = sh73a0_boards_compat_dt, |
| 63 | MACHINE_END |