xref: /openbmc/qemu/include/hw/misc/mips_cmgcr.h (revision 2038f8c8)
1 /*
2  * This file is subject to the terms and conditions of the GNU General Public
3  * License.  See the file "COPYING" in the main directory of this archive
4  * for more details.
5  *
6  * Copyright (C) 2015 Imagination Technologies
7  *
8  */
9 
10 #ifndef MIPS_CMGCR_H
11 #define MIPS_CMGCR_H
12 
13 #include "hw/sysbus.h"
14 
15 #define TYPE_MIPS_GCR "mips-gcr"
16 #define MIPS_GCR(obj) OBJECT_CHECK(MIPSGCRState, (obj), TYPE_MIPS_GCR)
17 
18 #define GCR_BASE_ADDR           0x1fbf8000ULL
19 #define GCR_ADDRSPACE_SZ        0x8000
20 
21 /* Offsets to register blocks */
22 #define MIPS_GCB_OFS        0x0000 /* Global Control Block */
23 #define MIPS_CLCB_OFS       0x2000 /* Core Local Control Block */
24 #define MIPS_COCB_OFS       0x4000 /* Core Other Control Block */
25 #define MIPS_GDB_OFS        0x6000 /* Global Debug Block */
26 
27 /* Global Control Block Register Map */
28 #define GCR_CONFIG_OFS      0x0000
29 #define GCR_BASE_OFS        0x0008
30 #define GCR_REV_OFS         0x0030
31 #define GCR_GIC_BASE_OFS    0x0080
32 #define GCR_CPC_BASE_OFS    0x0088
33 #define GCR_GIC_STATUS_OFS  0x00D0
34 #define GCR_CPC_STATUS_OFS  0x00F0
35 #define GCR_L2_CONFIG_OFS   0x0130
36 
37 /* Core Local and Core Other Block Register Map */
38 #define GCR_CL_CONFIG_OFS   0x0010
39 #define GCR_CL_OTHER_OFS    0x0018
40 #define GCR_CL_RESETBASE_OFS 0x0020
41 
42 /* GCR_L2_CONFIG register fields */
43 #define GCR_L2_CONFIG_BYPASS_SHF    20
44 #define GCR_L2_CONFIG_BYPASS_MSK    ((0x1ULL) << GCR_L2_CONFIG_BYPASS_SHF)
45 
46 /* GCR_BASE register fields */
47 #define GCR_BASE_GCRBASE_MSK     0xffffffff8000ULL
48 
49 /* GCR_GIC_BASE register fields */
50 #define GCR_GIC_BASE_GICEN_MSK   1
51 #define GCR_GIC_BASE_GICBASE_MSK 0xFFFFFFFE0000ULL
52 #define GCR_GIC_BASE_MSK (GCR_GIC_BASE_GICEN_MSK | GCR_GIC_BASE_GICBASE_MSK)
53 
54 /* GCR_CPC_BASE register fields */
55 #define GCR_CPC_BASE_CPCEN_MSK   1
56 #define GCR_CPC_BASE_CPCBASE_MSK 0xFFFFFFFF8000ULL
57 #define GCR_CPC_BASE_MSK (GCR_CPC_BASE_CPCEN_MSK | GCR_CPC_BASE_CPCBASE_MSK)
58 
59 /* GCR_CL_OTHER_OFS register fields */
60 #define GCR_CL_OTHER_VPOTHER_MSK 0x7
61 #define GCR_CL_OTHER_MSK GCR_CL_OTHER_VPOTHER_MSK
62 
63 /* GCR_CL_RESETBASE_OFS register fields */
64 #define GCR_CL_RESET_BASE_RESETBASE_MSK 0xFFFFF000U
65 #define GCR_CL_RESET_BASE_MSK GCR_CL_RESET_BASE_RESETBASE_MSK
66 
67 typedef struct MIPSGCRVPState MIPSGCRVPState;
68 struct MIPSGCRVPState {
69     uint32_t other;
70     uint64_t reset_base;
71 };
72 
73 typedef struct MIPSGCRState MIPSGCRState;
74 struct MIPSGCRState {
75     SysBusDevice parent_obj;
76 
77     int32_t gcr_rev;
78     int32_t num_vps;
79     hwaddr gcr_base;
80     MemoryRegion iomem;
81     MemoryRegion *cpc_mr;
82     MemoryRegion *gic_mr;
83 
84     uint64_t cpc_base;
85     uint64_t gic_base;
86 
87     /* VP Local/Other Registers */
88     MIPSGCRVPState *vps;
89 };
90 
91 #endif /* MIPS_CMGCR_H */
92