xref: /openbmc/u-boot/arch/sh/include/asm/cpu_sh4.h (revision 9d466f2f)
1 /*
2  * (C) Copyright 2007,2008 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #ifndef _ASM_CPU_SH4_H_
8 #define _ASM_CPU_SH4_H_
9 
10 /* cache control */
11 #define CCR_CACHE_STOP   0x00000808
12 #define CCR_CACHE_ENABLE 0x00000101
13 #define CCR_CACHE_ICI    0x00000800
14 
15 #define CACHE_OC_ADDRESS_ARRAY	0xf4000000
16 
17 #if defined (CONFIG_CPU_SH7750) || \
18 	defined(CONFIG_CPU_SH7751)
19 #define CACHE_OC_WAY_SHIFT	14
20 #define CACHE_OC_NUM_ENTRIES	512
21 #else
22 #define CACHE_OC_WAY_SHIFT	13
23 #define CACHE_OC_NUM_ENTRIES	256
24 #endif
25 #define CACHE_OC_ENTRY_SHIFT	5
26 
27 #if defined (CONFIG_CPU_SH7750) || \
28 	defined(CONFIG_CPU_SH7751)
29 # include <asm/cpu_sh7750.h>
30 #elif defined (CONFIG_CPU_SH7722)
31 # include <asm/cpu_sh7722.h>
32 #elif defined (CONFIG_CPU_SH7723)
33 # include <asm/cpu_sh7723.h>
34 #elif defined (CONFIG_CPU_SH7724)
35 # include <asm/cpu_sh7724.h>
36 #elif defined (CONFIG_CPU_SH7734)
37 # include <asm/cpu_sh7734.h>
38 #elif defined (CONFIG_CPU_SH7752)
39 # include <asm/cpu_sh7752.h>
40 #elif defined (CONFIG_CPU_SH7753)
41 # include <asm/cpu_sh7753.h>
42 #elif defined (CONFIG_CPU_SH7757)
43 # include <asm/cpu_sh7757.h>
44 #elif defined (CONFIG_CPU_SH7763)
45 # include <asm/cpu_sh7763.h>
46 #elif defined (CONFIG_CPU_SH7780)
47 # include <asm/cpu_sh7780.h>
48 #elif defined (CONFIG_CPU_SH7785)
49 # include <asm/cpu_sh7785.h>
50 #else
51 # error "Unknown SH4 variant"
52 #endif
53 
54 #if defined(CONFIG_SH_32BIT)
55 #define PMB_ADDR_ARRAY		0xf6100000
56 #define PMB_ADDR_ENTRY		8
57 #define PMB_VPN			24
58 
59 #define PMB_DATA_ARRAY		0xf7100000
60 #define PMB_DATA_ENTRY		8
61 #define PMB_PPN			24
62 #define PMB_UB			9		/* Buffered write */
63 #define PMB_V			8		/* Valid */
64 #define PMB_SZ1			7		/* Page size (upper bit) */
65 #define PMB_SZ0			4		/* Page size (lower bit) */
66 #define PMB_C			3		/* Cacheability */
67 #define PMB_WT			0		/* Write-through */
68 
69 #define PMB_ADDR_BASE(entry)	(PMB_ADDR_ARRAY + (entry << PMB_ADDR_ENTRY))
70 #define PMB_DATA_BASE(entry)	(PMB_DATA_ARRAY + (entry << PMB_DATA_ENTRY))
71 #define mk_pmb_addr_val(vpn)	((vpn << PMB_VPN))
72 #define mk_pmb_data_val(ppn, ub, v, sz1, sz0, c, wt)	\
73 				((ppn << PMB_PPN) | (ub << PMB_UB) | \
74 				 (v << PMB_V) | (sz1 << PMB_SZ1) | \
75 				 (sz0 << PMB_SZ0) | (c << PMB_C) | \
76 				 (wt << PMB_WT))
77 #endif
78 
79 #endif	/* _ASM_CPU_SH4_H_ */
80