xref: /openbmc/qemu/include/hw/misc/mips_cmgcr.h (revision 416296a9)
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 #define TYPE_MIPS_GCR "mips-gcr"
14 #define MIPS_GCR(obj) OBJECT_CHECK(MIPSGCRState, (obj), TYPE_MIPS_GCR)
15 
16 #define GCR_BASE_ADDR           0x1fbf8000ULL
17 #define GCR_ADDRSPACE_SZ        0x8000
18 
19 /* Offsets to register blocks */
20 #define MIPS_GCB_OFS        0x0000 /* Global Control Block */
21 #define MIPS_CLCB_OFS       0x2000 /* Core Local Control Block */
22 #define MIPS_COCB_OFS       0x4000 /* Core Other Control Block */
23 #define MIPS_GDB_OFS        0x6000 /* Global Debug Block */
24 
25 /* Global Control Block Register Map */
26 #define GCR_CONFIG_OFS      0x0000
27 #define GCR_BASE_OFS        0x0008
28 #define GCR_REV_OFS         0x0030
29 #define GCR_GIC_BASE_OFS    0x0080
30 #define GCR_CPC_BASE_OFS    0x0088
31 #define GCR_GIC_STATUS_OFS  0x00D0
32 #define GCR_CPC_STATUS_OFS  0x00F0
33 #define GCR_L2_CONFIG_OFS   0x0130
34 
35 /* Core Local and Core Other Block Register Map */
36 #define GCR_CL_CONFIG_OFS   0x0010
37 #define GCR_CL_OTHER_OFS    0x0018
38 #define GCR_CL_RESETBASE_OFS 0x0020
39 
40 /* GCR_L2_CONFIG register fields */
41 #define GCR_L2_CONFIG_BYPASS_SHF    20
42 #define GCR_L2_CONFIG_BYPASS_MSK    ((0x1ULL) << GCR_L2_CONFIG_BYPASS_SHF)
43 
44 /* GCR_GIC_BASE register fields */
45 #define GCR_GIC_BASE_GICEN_MSK   1
46 #define GCR_GIC_BASE_GICBASE_MSK 0xFFFFFFFE0000ULL
47 #define GCR_GIC_BASE_MSK (GCR_GIC_BASE_GICEN_MSK | GCR_GIC_BASE_GICBASE_MSK)
48 
49 /* GCR_CPC_BASE register fields */
50 #define GCR_CPC_BASE_CPCEN_MSK   1
51 #define GCR_CPC_BASE_CPCBASE_MSK 0xFFFFFFFF8000ULL
52 #define GCR_CPC_BASE_MSK (GCR_CPC_BASE_CPCEN_MSK | GCR_CPC_BASE_CPCBASE_MSK)
53 
54 /* GCR_CL_OTHER_OFS register fields */
55 #define GCR_CL_OTHER_VPOTHER_MSK 0x7
56 #define GCR_CL_OTHER_MSK GCR_CL_OTHER_VPOTHER_MSK
57 
58 /* GCR_CL_RESETBASE_OFS register fields */
59 #define GCR_CL_RESET_BASE_RESETBASE_MSK 0xFFFFF000U
60 #define GCR_CL_RESET_BASE_MSK GCR_CL_RESET_BASE_RESETBASE_MSK
61 
62 typedef struct MIPSGCRVPState MIPSGCRVPState;
63 struct MIPSGCRVPState {
64     uint32_t other;
65     uint64_t reset_base;
66 };
67 
68 typedef struct MIPSGCRState MIPSGCRState;
69 struct MIPSGCRState {
70     SysBusDevice parent_obj;
71 
72     int32_t gcr_rev;
73     int32_t num_vps;
74     hwaddr gcr_base;
75     MemoryRegion iomem;
76     MemoryRegion *cpc_mr;
77     MemoryRegion *gic_mr;
78 
79     uint64_t cpc_base;
80     uint64_t gic_base;
81 
82     /* VP Local/Other Registers */
83     MIPSGCRVPState *vps;
84 };
85 
86 #endif /* MIPS_CMGCR_H */
87