Fabien Chouteau | 0f3a4a0 | 2011-01-24 12:56:52 +0100 | [diff] [blame] | 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 | |
Fabien Chouteau | 3f10bcb | 2011-01-24 12:56:53 +0100 | [diff] [blame] | 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 | |
Fabien Chouteau | 0f3a4a0 | 2011-01-24 12:56:52 +0100 | [diff] [blame] | 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 | |
Fabien Chouteau | 8b1e1320 | 2011-01-24 12:56:54 +0100 | [diff] [blame] | 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 | |
Fabien Chouteau | 0f3a4a0 | 2011-01-24 12:56:52 +0100 | [diff] [blame] | 126 | #endif /* ! _GRLIB_H_ */ |