xref: /openbmc/u-boot/arch/sh/include/asm/cpu_sh4.h (revision af2a4093)
1 /*
2  * (C) Copyright 2007,2008 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation; either version 2 of
7  * the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
17  * MA 02111-1307 USA
18  */
19 
20 #ifndef _ASM_CPU_SH4_H_
21 #define _ASM_CPU_SH4_H_
22 
23 /* cache control */
24 #define CCR_CACHE_STOP   0x00000808
25 #define CCR_CACHE_ENABLE 0x00000101
26 #define CCR_CACHE_ICI    0x00000800
27 
28 #define CACHE_OC_ADDRESS_ARRAY	0xf4000000
29 
30 #if defined (CONFIG_CPU_SH7750) || \
31 	defined(CONFIG_CPU_SH7751)
32 #define CACHE_OC_WAY_SHIFT	14
33 #define CACHE_OC_NUM_ENTRIES	512
34 #else
35 #define CACHE_OC_WAY_SHIFT	13
36 #define CACHE_OC_NUM_ENTRIES	256
37 #endif
38 #define CACHE_OC_ENTRY_SHIFT	5
39 
40 #if defined (CONFIG_CPU_SH7750) || \
41 	defined(CONFIG_CPU_SH7751)
42 # include <asm/cpu_sh7750.h>
43 #elif defined (CONFIG_CPU_SH7722)
44 # include <asm/cpu_sh7722.h>
45 #elif defined (CONFIG_CPU_SH7723)
46 # include <asm/cpu_sh7723.h>
47 #elif defined (CONFIG_CPU_SH7724)
48 # include <asm/cpu_sh7724.h>
49 #elif defined (CONFIG_CPU_SH7734)
50 # include <asm/cpu_sh7734.h>
51 #elif defined (CONFIG_CPU_SH7757)
52 # include <asm/cpu_sh7757.h>
53 #elif defined (CONFIG_CPU_SH7763)
54 # include <asm/cpu_sh7763.h>
55 #elif defined (CONFIG_CPU_SH7780)
56 # include <asm/cpu_sh7780.h>
57 #elif defined (CONFIG_CPU_SH7785)
58 # include <asm/cpu_sh7785.h>
59 #else
60 # error "Unknown SH4 variant"
61 #endif
62 
63 #if defined(CONFIG_SH_32BIT)
64 #define PMB_ADDR_ARRAY		0xf6100000
65 #define PMB_ADDR_ENTRY		8
66 #define PMB_VPN			24
67 
68 #define PMB_DATA_ARRAY		0xf7100000
69 #define PMB_DATA_ENTRY		8
70 #define PMB_PPN			24
71 #define PMB_UB			9		/* Buffered write */
72 #define PMB_V			8		/* Valid */
73 #define PMB_SZ1			7		/* Page size (upper bit) */
74 #define PMB_SZ0			4		/* Page size (lower bit) */
75 #define PMB_C			3		/* Cacheability */
76 #define PMB_WT			0		/* Write-through */
77 
78 #define PMB_ADDR_BASE(entry)	(PMB_ADDR_ARRAY + (entry << PMB_ADDR_ENTRY))
79 #define PMB_DATA_BASE(entry)	(PMB_DATA_ARRAY + (entry << PMB_DATA_ENTRY))
80 #define mk_pmb_addr_val(vpn)	((vpn << PMB_VPN))
81 #define mk_pmb_data_val(ppn, ub, v, sz1, sz0, c, wt)	\
82 				((ppn << PMB_PPN) | (ub << PMB_UB) | \
83 				 (v << PMB_V) | (sz1 << PMB_SZ1) | \
84 				 (sz0 << PMB_SZ0) | (c << PMB_C) | \
85 				 (wt << PMB_WT))
86 #endif
87 
88 #endif	/* _ASM_CPU_SH4_H_ */
89