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git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/blob - arch/sh/kernel/cpu/sh2a/probe.c
1 // SPDX-License-Identifier: GPL-2.0
3 * arch/sh/kernel/cpu/sh2a/probe.c
5 * CPU Subtype Probing for SH-2A.
7 * Copyright (C) 2004 - 2007 Paul Mundt
9 #include <linux/init.h>
10 #include <asm/processor.h>
11 #include <asm/cache.h>
15 boot_cpu_data
.family
= CPU_FAMILY_SH2A
;
17 /* All SH-2A CPUs have support for 16 and 32-bit opcodes.. */
18 boot_cpu_data
.flags
|= CPU_HAS_OP32
;
20 #if defined(CONFIG_CPU_SUBTYPE_SH7201)
21 boot_cpu_data
.type
= CPU_SH7201
;
22 boot_cpu_data
.flags
|= CPU_HAS_FPU
;
23 #elif defined(CONFIG_CPU_SUBTYPE_SH7203)
24 boot_cpu_data
.type
= CPU_SH7203
;
25 boot_cpu_data
.flags
|= CPU_HAS_FPU
;
26 #elif defined(CONFIG_CPU_SUBTYPE_SH7263)
27 boot_cpu_data
.type
= CPU_SH7263
;
28 boot_cpu_data
.flags
|= CPU_HAS_FPU
;
29 #elif defined(CONFIG_CPU_SUBTYPE_SH7264)
30 boot_cpu_data
.type
= CPU_SH7264
;
31 boot_cpu_data
.flags
|= CPU_HAS_FPU
;
32 #elif defined(CONFIG_CPU_SUBTYPE_SH7269)
33 boot_cpu_data
.type
= CPU_SH7269
;
34 boot_cpu_data
.flags
|= CPU_HAS_FPU
;
35 #elif defined(CONFIG_CPU_SUBTYPE_SH7206)
36 boot_cpu_data
.type
= CPU_SH7206
;
37 boot_cpu_data
.flags
|= CPU_HAS_DSP
;
38 #elif defined(CONFIG_CPU_SUBTYPE_MXG)
39 boot_cpu_data
.type
= CPU_MXG
;
40 boot_cpu_data
.flags
|= CPU_HAS_DSP
;
43 boot_cpu_data
.dcache
.ways
= 4;
44 boot_cpu_data
.dcache
.way_incr
= (1 << 11);
45 boot_cpu_data
.dcache
.sets
= 128;
46 boot_cpu_data
.dcache
.entry_shift
= 4;
47 boot_cpu_data
.dcache
.linesz
= L1_CACHE_BYTES
;
48 boot_cpu_data
.dcache
.flags
= 0;
51 * The icache is the same as the dcache as far as this setup is
52 * concerned. The only real difference in hardware is that the icache
53 * lacks the U bit that the dcache has, none of this has any bearing
56 boot_cpu_data
.icache
= boot_cpu_data
.dcache
;