xref: /openbmc/qemu/include/hw/ppc/ppc4xx.h (revision b14df228)
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 void ppc4xx_sdram_banks(MemoryRegion *ram, int nr_banks,
33                         MemoryRegion ram_memories[],
34                         hwaddr ram_bases[], hwaddr ram_sizes[],
35                         const ram_addr_t sdram_bank_sizes[]);
36 
37 void ppc4xx_sdram_init (CPUPPCState *env, qemu_irq irq, int nbanks,
38                         MemoryRegion ram_memories[],
39                         hwaddr *ram_bases,
40                         hwaddr *ram_sizes,
41                         int do_init);
42 
43 #define TYPE_PPC4xx_PCI_HOST_BRIDGE "ppc4xx-pcihost"
44 
45 /*
46  * Generic DCR device
47  */
48 #define TYPE_PPC4xx_DCR_DEVICE "ppc4xx-dcr-device"
49 OBJECT_DECLARE_SIMPLE_TYPE(Ppc4xxDcrDeviceState, PPC4xx_DCR_DEVICE);
50 struct Ppc4xxDcrDeviceState {
51     SysBusDevice parent_obj;
52 
53     PowerPCCPU *cpu;
54 };
55 
56 void ppc4xx_dcr_register(Ppc4xxDcrDeviceState *dev, int dcrn, void *opaque,
57                          dcr_read_cb dcr_read, dcr_write_cb dcr_write);
58 bool ppc4xx_dcr_realize(Ppc4xxDcrDeviceState *dev, PowerPCCPU *cpu,
59                         Error **errp);
60 
61 /* Memory Access Layer (MAL) */
62 #define TYPE_PPC4xx_MAL "ppc4xx-mal"
63 OBJECT_DECLARE_SIMPLE_TYPE(Ppc4xxMalState, PPC4xx_MAL);
64 struct Ppc4xxMalState {
65     Ppc4xxDcrDeviceState parent_obj;
66 
67     qemu_irq irqs[4];
68     uint32_t cfg;
69     uint32_t esr;
70     uint32_t ier;
71     uint32_t txcasr;
72     uint32_t txcarr;
73     uint32_t txeobisr;
74     uint32_t txdeir;
75     uint32_t rxcasr;
76     uint32_t rxcarr;
77     uint32_t rxeobisr;
78     uint32_t rxdeir;
79     uint32_t *txctpr;
80     uint32_t *rxctpr;
81     uint32_t *rcbs;
82     uint8_t  txcnum;
83     uint8_t  rxcnum;
84 };
85 
86 /* Peripheral local bus arbitrer */
87 #define TYPE_PPC4xx_PLB "ppc4xx-plb"
88 OBJECT_DECLARE_SIMPLE_TYPE(Ppc4xxPlbState, PPC4xx_PLB);
89 struct Ppc4xxPlbState {
90     Ppc4xxDcrDeviceState parent_obj;
91 
92     uint32_t acr;
93     uint32_t bear;
94     uint32_t besr;
95 };
96 
97 /* Peripheral controller */
98 #define TYPE_PPC4xx_EBC "ppc4xx-ebc"
99 OBJECT_DECLARE_SIMPLE_TYPE(Ppc4xxEbcState, PPC4xx_EBC);
100 struct Ppc4xxEbcState {
101     Ppc4xxDcrDeviceState parent_obj;
102 
103     uint32_t addr;
104     uint32_t bcr[8];
105     uint32_t bap[8];
106     uint32_t bear;
107     uint32_t besr0;
108     uint32_t besr1;
109     uint32_t cfg;
110 };
111 
112 #endif /* PPC4XX_H */
113