xref: /openbmc/qemu/include/hw/char/pl011.h (revision 709395f8)
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/sysbus.h"
19 #include "chardev/char-fe.h"
20 
21 #define TYPE_PL011 "pl011"
22 #define PL011(obj) OBJECT_CHECK(PL011State, (obj), TYPE_PL011)
23 
24 /* This shares the same struct (and cast macro) as the base pl011 device */
25 #define TYPE_PL011_LUMINARY "pl011_luminary"
26 
27 typedef struct PL011State {
28     SysBusDevice parent_obj;
29 
30     MemoryRegion iomem;
31     uint32_t readbuff;
32     uint32_t flags;
33     uint32_t lcr;
34     uint32_t rsr;
35     uint32_t cr;
36     uint32_t dmacr;
37     uint32_t int_enabled;
38     uint32_t int_level;
39     uint32_t read_fifo[16];
40     uint32_t ilpr;
41     uint32_t ibrd;
42     uint32_t fbrd;
43     uint32_t ifl;
44     int read_pos;
45     int read_count;
46     int read_trigger;
47     CharBackend chr;
48     qemu_irq irq[6];
49     const unsigned char *id;
50 } PL011State;
51 
52 static inline DeviceState *pl011_create(hwaddr addr,
53                                         qemu_irq irq,
54                                         Chardev *chr)
55 {
56     DeviceState *dev;
57     SysBusDevice *s;
58 
59     dev = qdev_create(NULL, "pl011");
60     s = SYS_BUS_DEVICE(dev);
61     qdev_prop_set_chr(dev, "chardev", chr);
62     qdev_init_nofail(dev);
63     sysbus_mmio_map(s, 0, addr);
64     sysbus_connect_irq(s, 0, irq);
65 
66     return dev;
67 }
68 
69 static inline DeviceState *pl011_luminary_create(hwaddr addr,
70                                                  qemu_irq irq,
71                                                  Chardev *chr)
72 {
73     DeviceState *dev;
74     SysBusDevice *s;
75 
76     dev = qdev_create(NULL, "pl011_luminary");
77     s = SYS_BUS_DEVICE(dev);
78     qdev_prop_set_chr(dev, "chardev", chr);
79     qdev_init_nofail(dev);
80     sysbus_mmio_map(s, 0, addr);
81     sysbus_connect_irq(s, 0, irq);
82 
83     return dev;
84 }
85 
86 #endif
87