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Fabien Chouteau0f3a4a02011-01-24 12:56:52 +01001/*
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
Fabien Chouteau3f10bcb2011-01-24 12:56:53 +010035/* IRQMP */
36
37typedef void (*set_pil_in_fn) (void *opaque, uint32_t pil_in);
38
39void grlib_irqmp_set_irq(void *opaque, int irq, int level);
40
41void grlib_irqmp_ack(DeviceState *dev, int intno);
42
43static inline
44DeviceState *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
Fabien Chouteau0f3a4a02011-01-24 12:56:52 +010073/* GPTimer */
74
75static inline
76DeviceState *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
Fabien Chouteau8b1e13202011-01-24 12:56:54 +0100103/* APB UART */
104
105static inline
106DeviceState *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
Fabien Chouteau0f3a4a02011-01-24 12:56:52 +0100126#endif /* ! _GRLIB_H_ */