1 /* 2 * This program is free software; you can redistribute it and/or modify it 3 * under the terms and conditions of the GNU General Public License, 4 * version 2 or later, as published by the Free Software Foundation. 5 * 6 * This program is distributed in the hope it will be useful, but WITHOUT 7 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 8 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 9 * more details. 10 * 11 * You should have received a copy of the GNU General Public License along with 12 * this program. If not, see <http://www.gnu.org/licenses/>. 13 */ 14 15 #ifndef HW_PL011_H 16 #define HW_PL011_H 17 18 #include "hw/qdev-properties.h" 19 #include "hw/sysbus.h" 20 #include "chardev/char-fe.h" 21 #include "qapi/error.h" 22 #include "qom/object.h" 23 24 #define TYPE_PL011 "pl011" 25 OBJECT_DECLARE_SIMPLE_TYPE(PL011State, PL011) 26 27 /* This shares the same struct (and cast macro) as the base pl011 device */ 28 #define TYPE_PL011_LUMINARY "pl011_luminary" 29 30 struct PL011State { 31 SysBusDevice parent_obj; 32 33 MemoryRegion iomem; 34 uint32_t readbuff; 35 uint32_t flags; 36 uint32_t lcr; 37 uint32_t rsr; 38 uint32_t cr; 39 uint32_t dmacr; 40 uint32_t int_enabled; 41 uint32_t int_level; 42 uint32_t read_fifo[16]; 43 uint32_t ilpr; 44 uint32_t ibrd; 45 uint32_t fbrd; 46 uint32_t ifl; 47 int read_pos; 48 int read_count; 49 int read_trigger; 50 CharBackend chr; 51 qemu_irq irq[6]; 52 Clock *clk; 53 bool migrate_clk; 54 const unsigned char *id; 55 }; 56 57 static inline DeviceState *pl011_create(hwaddr addr, 58 qemu_irq irq, 59 Chardev *chr) 60 { 61 DeviceState *dev; 62 SysBusDevice *s; 63 64 dev = qdev_new("pl011"); 65 s = SYS_BUS_DEVICE(dev); 66 qdev_prop_set_chr(dev, "chardev", chr); 67 sysbus_realize_and_unref(s, &error_fatal); 68 sysbus_mmio_map(s, 0, addr); 69 sysbus_connect_irq(s, 0, irq); 70 71 return dev; 72 } 73 74 static inline DeviceState *pl011_luminary_create(hwaddr addr, 75 qemu_irq irq, 76 Chardev *chr) 77 { 78 DeviceState *dev; 79 SysBusDevice *s; 80 81 dev = qdev_new("pl011_luminary"); 82 s = SYS_BUS_DEVICE(dev); 83 qdev_prop_set_chr(dev, "chardev", chr); 84 sysbus_realize_and_unref(s, &error_fatal); 85 sysbus_mmio_map(s, 0, addr); 86 sysbus_connect_irq(s, 0, irq); 87 88 return dev; 89 } 90 91 #endif 92