projects / mirror_qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| 35 | /* GPTimer */ | |
| 36 | ||
| 37 | static inline | |
| 38 | DeviceState *grlib_gptimer_create(target_phys_addr_t base, | |
| 39 | uint32_t nr_timers, | |
| 40 | uint32_t freq, | |
| 41 | qemu_irq *cpu_irqs, | |
| 42 | int base_irq) | |
| 43 | { | |
| 44 | DeviceState *dev; | |
| 45 | int i; | |
| 46 | ||
| 47 | dev = qdev_create(NULL, "grlib,gptimer"); | |
| 48 | qdev_prop_set_uint32(dev, "nr-timers", nr_timers); | |
| 49 | qdev_prop_set_uint32(dev, "frequency", freq); | |
| 50 | qdev_prop_set_uint32(dev, "irq-line", base_irq); | |
| 51 | ||
| 52 | if (qdev_init(dev)) { | |
| 53 | return NULL; | |
| 54 | } | |
| 55 | ||
| 56 | sysbus_mmio_map(sysbus_from_qdev(dev), 0, base); | |
| 57 | ||
| 58 | for (i = 0; i < nr_timers; i++) { | |
| 59 | sysbus_connect_irq(sysbus_from_qdev(dev), i, cpu_irqs[base_irq + i]); | |
| 60 | } | |
| 61 | ||
| 62 | return dev; | |
| 63 | } | |
| 64 | ||
| 65 | #endif /* ! _GRLIB_H_ */ |