Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/*
2 * Support for the MicroBlaze PVR (Processor Version Register)
3 *
4 * Copyright (C) 2009 Michal Simek <monstr@monstr.eu>
5 * Copyright (C) 2007 John Williams <john.williams@petalogix.com>
6 * Copyright (C) 2007 - 2009 PetaLogix
7 *
8 * This file is subject to the terms and conditions of the GNU General
9 * Public License. See the file COPYING in the main directory of this
10 * archive for more details.
11 */
12
13#ifndef _ASM_MICROBLAZE_PVR_H
14#define _ASM_MICROBLAZE_PVR_H
15
16#define PVR_MSR_BIT 0x400
17
18struct pvr_s {
19 unsigned pvr[16];
20};
21
22/* The following taken from Xilinx's standalone BSP pvr.h */
23
24/* Basic PVR mask */
25#define PVR0_PVR_FULL_MASK 0x80000000
26#define PVR0_USE_BARREL_MASK 0x40000000
27#define PVR0_USE_DIV_MASK 0x20000000
28#define PVR0_USE_HW_MUL_MASK 0x10000000
29#define PVR0_USE_FPU_MASK 0x08000000
30#define PVR0_USE_EXC_MASK 0x04000000
31#define PVR0_USE_ICACHE_MASK 0x02000000
32#define PVR0_USE_DCACHE_MASK 0x01000000
33#define PVR0_USE_MMU 0x00800000 /* new */
34#define PVR0_VERSION_MASK 0x0000FF00
35#define PVR0_USER1_MASK 0x000000FF
36
37/* User 2 PVR mask */
38#define PVR1_USER2_MASK 0xFFFFFFFF
39
40/* Configuration PVR masks */
41#define PVR2_D_OPB_MASK 0x80000000
42#define PVR2_D_LMB_MASK 0x40000000
43#define PVR2_I_OPB_MASK 0x20000000
44#define PVR2_I_LMB_MASK 0x10000000
45#define PVR2_INTERRUPT_IS_EDGE_MASK 0x08000000
46#define PVR2_EDGE_IS_POSITIVE_MASK 0x04000000
47#define PVR2_D_PLB_MASK 0x02000000 /* new */
48#define PVR2_I_PLB_MASK 0x01000000 /* new */
49#define PVR2_INTERCONNECT 0x00800000 /* new */
50#define PVR2_USE_EXTEND_FSL 0x00080000 /* new */
51#define PVR2_USE_FSL_EXC 0x00040000 /* new */
52#define PVR2_USE_MSR_INSTR 0x00020000
53#define PVR2_USE_PCMP_INSTR 0x00010000
54#define PVR2_AREA_OPTIMISED 0x00008000
55#define PVR2_USE_BARREL_MASK 0x00004000
56#define PVR2_USE_DIV_MASK 0x00002000
57#define PVR2_USE_HW_MUL_MASK 0x00001000
58#define PVR2_USE_FPU_MASK 0x00000800
59#define PVR2_USE_MUL64_MASK 0x00000400
60#define PVR2_USE_FPU2_MASK 0x00000200 /* new */
61#define PVR2_USE_IPLBEXC 0x00000100
62#define PVR2_USE_DPLBEXC 0x00000080
63#define PVR2_OPCODE_0x0_ILL_MASK 0x00000040
64#define PVR2_UNALIGNED_EXC_MASK 0x00000020
65#define PVR2_ILL_OPCODE_EXC_MASK 0x00000010
66#define PVR2_IOPB_BUS_EXC_MASK 0x00000008
67#define PVR2_DOPB_BUS_EXC_MASK 0x00000004
68#define PVR2_DIV_ZERO_EXC_MASK 0x00000002
69#define PVR2_FPU_EXC_MASK 0x00000001
70
71/* Debug and exception PVR masks */
72#define PVR3_DEBUG_ENABLED_MASK 0x80000000
73#define PVR3_NUMBER_OF_PC_BRK_MASK 0x1E000000
74#define PVR3_NUMBER_OF_RD_ADDR_BRK_MASK 0x00380000
75#define PVR3_NUMBER_OF_WR_ADDR_BRK_MASK 0x0000E000
76#define PVR3_FSL_LINKS_MASK 0x00000380
77
78/* ICache config PVR masks */
79#define PVR4_USE_ICACHE_MASK 0x80000000
80#define PVR4_ICACHE_ADDR_TAG_BITS_MASK 0x7C000000
81#define PVR4_ICACHE_USE_FSL_MASK 0x02000000
82#define PVR4_ICACHE_ALLOW_WR_MASK 0x01000000
83#define PVR4_ICACHE_LINE_LEN_MASK 0x00E00000
84#define PVR4_ICACHE_BYTE_SIZE_MASK 0x001F0000
85
86/* DCache config PVR masks */
87#define PVR5_USE_DCACHE_MASK 0x80000000
88#define PVR5_DCACHE_ADDR_TAG_BITS_MASK 0x7C000000
89#define PVR5_DCACHE_USE_FSL_MASK 0x02000000
90#define PVR5_DCACHE_ALLOW_WR_MASK 0x01000000
91#define PVR5_DCACHE_LINE_LEN_MASK 0x00E00000
92#define PVR5_DCACHE_BYTE_SIZE_MASK 0x001F0000
93
94/* ICache base address PVR mask */
95#define PVR6_ICACHE_BASEADDR_MASK 0xFFFFFFFF
96
97/* ICache high address PVR mask */
98#define PVR7_ICACHE_HIGHADDR_MASK 0xFFFFFFFF
99
100/* DCache base address PVR mask */
101#define PVR8_DCACHE_BASEADDR_MASK 0xFFFFFFFF
102
103/* DCache high address PVR mask */
104#define PVR9_DCACHE_HIGHADDR_MASK 0xFFFFFFFF
105
106/* Target family PVR mask */
107#define PVR10_TARGET_FAMILY_MASK 0xFF000000
108
109/* MMU descrtiption */
110#define PVR11_USE_MMU 0xC0000000
111#define PVR11_MMU_ITLB_SIZE 0x38000000
112#define PVR11_MMU_DTLB_SIZE 0x07000000
113#define PVR11_MMU_TLB_ACCESS 0x00C00000
114#define PVR11_MMU_ZONES 0x003C0000
115/* MSR Reset value PVR mask */
116#define PVR11_MSR_RESET_VALUE_MASK 0x000007FF
117
118
119/* PVR access macros */
120#define PVR_IS_FULL(pvr) (pvr.pvr[0] & PVR0_PVR_FULL_MASK)
121#define PVR_USE_BARREL(pvr) (pvr.pvr[0] & PVR0_USE_BARREL_MASK)
122#define PVR_USE_DIV(pvr) (pvr.pvr[0] & PVR0_USE_DIV_MASK)
123#define PVR_USE_HW_MUL(pvr) (pvr.pvr[0] & PVR0_USE_HW_MUL_MASK)
124#define PVR_USE_FPU(pvr) (pvr.pvr[0] & PVR0_USE_FPU_MASK)
125#define PVR_USE_FPU2(pvr) (pvr.pvr[2] & PVR2_USE_FPU2_MASK)
126#define PVR_USE_ICACHE(pvr) (pvr.pvr[0] & PVR0_USE_ICACHE_MASK)
127#define PVR_USE_DCACHE(pvr) (pvr.pvr[0] & PVR0_USE_DCACHE_MASK)
128#define PVR_VERSION(pvr) ((pvr.pvr[0] & PVR0_VERSION_MASK) >> 8)
129#define PVR_USER1(pvr) (pvr.pvr[0] & PVR0_USER1_MASK)
130#define PVR_USER2(pvr) (pvr.pvr[1] & PVR1_USER2_MASK)
131
132#define PVR_D_OPB(pvr) (pvr.pvr[2] & PVR2_D_OPB_MASK)
133#define PVR_D_LMB(pvr) (pvr.pvr[2] & PVR2_D_LMB_MASK)
134#define PVR_I_OPB(pvr) (pvr.pvr[2] & PVR2_I_OPB_MASK)
135#define PVR_I_LMB(pvr) (pvr.pvr[2] & PVR2_I_LMB_MASK)
136#define PVR_INTERRUPT_IS_EDGE(pvr) \
137 (pvr.pvr[2] & PVR2_INTERRUPT_IS_EDGE_MASK)
138#define PVR_EDGE_IS_POSITIVE(pvr) \
139 (pvr.pvr[2] & PVR2_EDGE_IS_POSITIVE_MASK)
140#define PVR_USE_MSR_INSTR(pvr) (pvr.pvr[2] & PVR2_USE_MSR_INSTR)
141#define PVR_USE_PCMP_INSTR(pvr) (pvr.pvr[2] & PVR2_USE_PCMP_INSTR)
142#define PVR_AREA_OPTIMISED(pvr) (pvr.pvr[2] & PVR2_AREA_OPTIMISED)
143#define PVR_USE_MUL64(pvr) (pvr.pvr[2] & PVR2_USE_MUL64_MASK)
144#define PVR_OPCODE_0x0_ILLEGAL(pvr) \
145 (pvr.pvr[2] & PVR2_OPCODE_0x0_ILL_MASK)
146#define PVR_UNALIGNED_EXCEPTION(pvr) \
147 (pvr.pvr[2] & PVR2_UNALIGNED_EXC_MASK)
148#define PVR_ILL_OPCODE_EXCEPTION(pvr) \
149 (pvr.pvr[2] & PVR2_ILL_OPCODE_EXC_MASK)
150#define PVR_IOPB_BUS_EXCEPTION(pvr) \
151 (pvr.pvr[2] & PVR2_IOPB_BUS_EXC_MASK)
152#define PVR_DOPB_BUS_EXCEPTION(pvr) \
153 (pvr.pvr[2] & PVR2_DOPB_BUS_EXC_MASK)
154#define PVR_DIV_ZERO_EXCEPTION(pvr) \
155 (pvr.pvr[2] & PVR2_DIV_ZERO_EXC_MASK)
156#define PVR_FPU_EXCEPTION(pvr) (pvr.pvr[2] & PVR2_FPU_EXC_MASK)
157#define PVR_FSL_EXCEPTION(pvr) (pvr.pvr[2] & PVR2_USE_EXTEND_FSL)
158
159#define PVR_DEBUG_ENABLED(pvr) (pvr.pvr[3] & PVR3_DEBUG_ENABLED_MASK)
160#define PVR_NUMBER_OF_PC_BRK(pvr) \
161 ((pvr.pvr[3] & PVR3_NUMBER_OF_PC_BRK_MASK) >> 25)
162#define PVR_NUMBER_OF_RD_ADDR_BRK(pvr) \
163 ((pvr.pvr[3] & PVR3_NUMBER_OF_RD_ADDR_BRK_MASK) >> 19)
164#define PVR_NUMBER_OF_WR_ADDR_BRK(pvr) \
165 ((pvr.pvr[3] & PVR3_NUMBER_OF_WR_ADDR_BRK_MASK) >> 13)
166#define PVR_FSL_LINKS(pvr) ((pvr.pvr[3] & PVR3_FSL_LINKS_MASK) >> 7)
167
168#define PVR_ICACHE_ADDR_TAG_BITS(pvr) \
169 ((pvr.pvr[4] & PVR4_ICACHE_ADDR_TAG_BITS_MASK) >> 26)
170#define PVR_ICACHE_USE_FSL(pvr) (pvr.pvr[4] & PVR4_ICACHE_USE_FSL_MASK)
171#define PVR_ICACHE_ALLOW_WR(pvr) (pvr.pvr[4] & PVR4_ICACHE_ALLOW_WR_MASK)
172#define PVR_ICACHE_LINE_LEN(pvr) \
173 (1 << ((pvr.pvr[4] & PVR4_ICACHE_LINE_LEN_MASK) >> 21))
174#define PVR_ICACHE_BYTE_SIZE(pvr) \
175 (1 << ((pvr.pvr[4] & PVR4_ICACHE_BYTE_SIZE_MASK) >> 16))
176
177#define PVR_DCACHE_ADDR_TAG_BITS(pvr) \
178 ((pvr.pvr[5] & PVR5_DCACHE_ADDR_TAG_BITS_MASK) >> 26)
179#define PVR_DCACHE_USE_FSL(pvr) (pvr.pvr[5] & PVR5_DCACHE_USE_FSL_MASK)
180#define PVR_DCACHE_ALLOW_WR(pvr) (pvr.pvr[5] & PVR5_DCACHE_ALLOW_WR_MASK)
181#define PVR_DCACHE_LINE_LEN(pvr) \
182 (1 << ((pvr.pvr[5] & PVR5_DCACHE_LINE_LEN_MASK) >> 21))
183#define PVR_DCACHE_BYTE_SIZE(pvr) \
184 (1 << ((pvr.pvr[5] & PVR5_DCACHE_BYTE_SIZE_MASK) >> 16))
185
186
187#define PVR_ICACHE_BASEADDR(pvr) (pvr.pvr[6] & PVR6_ICACHE_BASEADDR_MASK)
188#define PVR_ICACHE_HIGHADDR(pvr) (pvr.pvr[7] & PVR7_ICACHE_HIGHADDR_MASK)
189
190#define PVR_DCACHE_BASEADDR(pvr) (pvr.pvr[8] & PVR8_DCACHE_BASEADDR_MASK)
191#define PVR_DCACHE_HIGHADDR(pvr) (pvr.pvr[9] & PVR9_DCACHE_HIGHADDR_MASK)
192
193#define PVR_TARGET_FAMILY(pvr) ((pvr.pvr[10] & PVR10_TARGET_FAMILY_MASK) >> 24)
194
195#define PVR_MSR_RESET_VALUE(pvr) \
196 (pvr.pvr[11] & PVR11_MSR_RESET_VALUE_MASK)
197
198/* mmu */
199#define PVR_USE_MMU(pvr) ((pvr.pvr[11] & PVR11_USE_MMU) >> 30)
200#define PVR_MMU_ITLB_SIZE(pvr) (pvr.pvr[11] & PVR11_MMU_ITLB_SIZE)
201#define PVR_MMU_DTLB_SIZE(pvr) (pvr.pvr[11] & PVR11_MMU_DTLB_SIZE)
202#define PVR_MMU_TLB_ACCESS(pvr) (pvr.pvr[11] & PVR11_MMU_TLB_ACCESS)
203#define PVR_MMU_ZONES(pvr) (pvr.pvr[11] & PVR11_MMU_ZONES)
204
205
206int cpu_has_pvr(void);
207void get_pvr(struct pvr_s *pvr);
208
209#endif /* _ASM_MICROBLAZE_PVR_H */