xref: /openbmc/qemu/include/hw/char/pl011.h (revision 93dd625f)
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 
23 #define TYPE_PL011 "pl011"
24 #define PL011(obj) OBJECT_CHECK(PL011State, (obj), TYPE_PL011)
25 
26 /* This shares the same struct (and cast macro) as the base pl011 device */
27 #define TYPE_PL011_LUMINARY "pl011_luminary"
28 
29 typedef struct PL011State {
30     SysBusDevice parent_obj;
31 
32     MemoryRegion iomem;
33     uint32_t readbuff;
34     uint32_t flags;
35     uint32_t lcr;
36     uint32_t rsr;
37     uint32_t cr;
38     uint32_t dmacr;
39     uint32_t int_enabled;
40     uint32_t int_level;
41     uint32_t read_fifo[16];
42     uint32_t ilpr;
43     uint32_t ibrd;
44     uint32_t fbrd;
45     uint32_t ifl;
46     int read_pos;
47     int read_count;
48     int read_trigger;
49     CharBackend chr;
50     qemu_irq irq[6];
51     const unsigned char *id;
52 } PL011State;
53 
54 static inline DeviceState *pl011_create(hwaddr addr,
55                                         qemu_irq irq,
56                                         Chardev *chr)
57 {
58     DeviceState *dev;
59     SysBusDevice *s;
60 
61     dev = qdev_new("pl011");
62     s = SYS_BUS_DEVICE(dev);
63     qdev_prop_set_chr(dev, "chardev", chr);
64     sysbus_realize_and_unref(s, &error_fatal);
65     sysbus_mmio_map(s, 0, addr);
66     sysbus_connect_irq(s, 0, irq);
67 
68     return dev;
69 }
70 
71 static inline DeviceState *pl011_luminary_create(hwaddr addr,
72                                                  qemu_irq irq,
73                                                  Chardev *chr)
74 {
75     DeviceState *dev;
76     SysBusDevice *s;
77 
78     dev = qdev_new("pl011_luminary");
79     s = SYS_BUS_DEVICE(dev);
80     qdev_prop_set_chr(dev, "chardev", chr);
81     sysbus_realize_and_unref(s, &error_fatal);
82     sysbus_mmio_map(s, 0, addr);
83     sysbus_connect_irq(s, 0, irq);
84 
85     return dev;
86 }
87 
88 #endif
89