xref: /qemu/include/hw/ppc/ppc4xx.h (revision 0aedcc8a8db88967d3abbff433bdd1f5a4b9ce6d)
1 /*
2  * QEMU PowerPC 4xx emulation shared definitions
3  *
4  * Copyright (c) 2007 Jocelyn Mayer
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to deal
8  * in the Software without restriction, including without limitation the rights
9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 
25 #ifndef PPC4XX_H
26 #define PPC4XX_H
27 
28 #include "hw/ppc/ppc.h"
29 #include "exec/memory.h"
30 #include "hw/sysbus.h"
31 
32 typedef struct {
33     MemoryRegion ram;
34     MemoryRegion container; /* used for clipping */
35     hwaddr base;
36     hwaddr size;
37     uint32_t bcr;
38 } Ppc4xxSdramBank;
39 
40 void ppc4xx_sdram_enable(CPUPPCState *env);
41 
42 void ppc4xx_sdram_banks(MemoryRegion *ram, int nr_banks,
43                         Ppc4xxSdramBank ram_banks[],
44                         const ram_addr_t sdram_bank_sizes[]);
45 
46 void ppc4xx_sdram_init(CPUPPCState *env, qemu_irq irq, int nbanks,
47                        MemoryRegion *ram);
48 
49 #define TYPE_PPC4xx_PCI_HOST_BRIDGE "ppc4xx-pcihost"
50 
51 /*
52  * Generic DCR device
53  */
54 #define TYPE_PPC4xx_DCR_DEVICE "ppc4xx-dcr-device"
55 OBJECT_DECLARE_SIMPLE_TYPE(Ppc4xxDcrDeviceState, PPC4xx_DCR_DEVICE);
56 struct Ppc4xxDcrDeviceState {
57     SysBusDevice parent_obj;
58 
59     PowerPCCPU *cpu;
60 };
61 
62 void ppc4xx_dcr_register(Ppc4xxDcrDeviceState *dev, int dcrn, void *opaque,
63                          dcr_read_cb dcr_read, dcr_write_cb dcr_write);
64 bool ppc4xx_dcr_realize(Ppc4xxDcrDeviceState *dev, PowerPCCPU *cpu,
65                         Error **errp);
66 
67 /* Memory Access Layer (MAL) */
68 #define TYPE_PPC4xx_MAL "ppc4xx-mal"
69 OBJECT_DECLARE_SIMPLE_TYPE(Ppc4xxMalState, PPC4xx_MAL);
70 struct Ppc4xxMalState {
71     Ppc4xxDcrDeviceState parent_obj;
72 
73     qemu_irq irqs[4];
74     uint32_t cfg;
75     uint32_t esr;
76     uint32_t ier;
77     uint32_t txcasr;
78     uint32_t txcarr;
79     uint32_t txeobisr;
80     uint32_t txdeir;
81     uint32_t rxcasr;
82     uint32_t rxcarr;
83     uint32_t rxeobisr;
84     uint32_t rxdeir;
85     uint32_t *txctpr;
86     uint32_t *rxctpr;
87     uint32_t *rcbs;
88     uint8_t  txcnum;
89     uint8_t  rxcnum;
90 };
91 
92 /* Peripheral local bus arbitrer */
93 #define TYPE_PPC4xx_PLB "ppc4xx-plb"
94 OBJECT_DECLARE_SIMPLE_TYPE(Ppc4xxPlbState, PPC4xx_PLB);
95 struct Ppc4xxPlbState {
96     Ppc4xxDcrDeviceState parent_obj;
97 
98     uint32_t acr;
99     uint32_t bear;
100     uint32_t besr;
101 };
102 
103 /* Peripheral controller */
104 #define TYPE_PPC4xx_EBC "ppc4xx-ebc"
105 OBJECT_DECLARE_SIMPLE_TYPE(Ppc4xxEbcState, PPC4xx_EBC);
106 struct Ppc4xxEbcState {
107     Ppc4xxDcrDeviceState parent_obj;
108 
109     uint32_t addr;
110     uint32_t bcr[8];
111     uint32_t bap[8];
112     uint32_t bear;
113     uint32_t besr0;
114     uint32_t besr1;
115     uint32_t cfg;
116 };
117 
118 #endif /* PPC4XX_H */
119