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0f3a4a01 FC |
1 | /* |
2 | * QEMU GRLIB Components | |
3 | * | |
4 | * Copyright (c) 2010-2011 AdaCore | |
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 _GRLIB_H_ | |
26 | #define _GRLIB_H_ | |
27 | ||
28 | #include "qdev.h" | |
29 | #include "sysbus.h" | |
30 | ||
31 | /* Emulation of GrLib device is base on the GRLIB IP Core User's Manual: | |
32 | * http://www.gaisler.com/products/grlib/grip.pdf | |
33 | */ | |
34 | ||
3f10bcbb FC |
35 | /* IRQMP */ |
36 | ||
37 | typedef void (*set_pil_in_fn) (void *opaque, uint32_t pil_in); | |
38 | ||
39 | void grlib_irqmp_set_irq(void *opaque, int irq, int level); | |
40 | ||
41 | void grlib_irqmp_ack(DeviceState *dev, int intno); | |
42 | ||
43 | static inline | |
44 | DeviceState *grlib_irqmp_create(target_phys_addr_t base, | |
45 | CPUState *env, | |
46 | qemu_irq **cpu_irqs, | |
47 | uint32_t nr_irqs, | |
48 | set_pil_in_fn set_pil_in) | |
49 | { | |
50 | DeviceState *dev; | |
51 | ||
52 | assert(cpu_irqs != NULL); | |
53 | ||
54 | dev = qdev_create(NULL, "grlib,irqmp"); | |
55 | qdev_prop_set_ptr(dev, "set_pil_in", set_pil_in); | |
56 | qdev_prop_set_ptr(dev, "set_pil_in_opaque", env); | |
57 | ||
58 | if (qdev_init(dev)) { | |
59 | return NULL; | |
60 | } | |
61 | ||
62 | env->irq_manager = dev; | |
63 | ||
64 | sysbus_mmio_map(sysbus_from_qdev(dev), 0, base); | |
65 | ||
66 | *cpu_irqs = qemu_allocate_irqs(grlib_irqmp_set_irq, | |
67 | dev, | |
68 | nr_irqs); | |
69 | ||
70 | return dev; | |
71 | } | |
72 | ||
0f3a4a01 FC |
73 | /* GPTimer */ |
74 | ||
75 | static inline | |
76 | DeviceState *grlib_gptimer_create(target_phys_addr_t base, | |
77 | uint32_t nr_timers, | |
78 | uint32_t freq, | |
79 | qemu_irq *cpu_irqs, | |
80 | int base_irq) | |
81 | { | |
82 | DeviceState *dev; | |
83 | int i; | |
84 | ||
85 | dev = qdev_create(NULL, "grlib,gptimer"); | |
86 | qdev_prop_set_uint32(dev, "nr-timers", nr_timers); | |
87 | qdev_prop_set_uint32(dev, "frequency", freq); | |
88 | qdev_prop_set_uint32(dev, "irq-line", base_irq); | |
89 | ||
90 | if (qdev_init(dev)) { | |
91 | return NULL; | |
92 | } | |
93 | ||
94 | sysbus_mmio_map(sysbus_from_qdev(dev), 0, base); | |
95 | ||
96 | for (i = 0; i < nr_timers; i++) { | |
97 | sysbus_connect_irq(sysbus_from_qdev(dev), i, cpu_irqs[base_irq + i]); | |
98 | } | |
99 | ||
100 | return dev; | |
101 | } | |
102 | ||
8b1e1320 FC |
103 | /* APB UART */ |
104 | ||
105 | static inline | |
106 | DeviceState *grlib_apbuart_create(target_phys_addr_t base, | |
107 | CharDriverState *serial, | |
108 | qemu_irq irq) | |
109 | { | |
110 | DeviceState *dev; | |
111 | ||
112 | dev = qdev_create(NULL, "grlib,apbuart"); | |
113 | qdev_prop_set_chr(dev, "chrdev", serial); | |
114 | ||
115 | if (qdev_init(dev)) { | |
116 | return NULL; | |
117 | } | |
118 | ||
119 | sysbus_mmio_map(sysbus_from_qdev(dev), 0, base); | |
120 | ||
121 | sysbus_connect_irq(sysbus_from_qdev(dev), 0, irq); | |
122 | ||
123 | return dev; | |
124 | } | |
125 | ||
0f3a4a01 | 126 | #endif /* ! _GRLIB_H_ */ |