xref: /openbmc/qemu/include/hw/misc/aspeed_lpc.h (revision bad5cfcd)
1 /*
2  *  ASPEED LPC Controller
3  *
4  *  Copyright (C) 2017-2018 IBM Corp.
5  *
6  * This code is licensed under the GPL version 2 or later.  See
7  * the COPYING file in the top-level directory.
8  */
9 
10 #ifndef ASPEED_LPC_H
11 #define ASPEED_LPC_H
12 
13 #include "hw/sysbus.h"
14 
15 #define TYPE_ASPEED_LPC "aspeed.lpc"
16 #define ASPEED_LPC(obj) OBJECT_CHECK(AspeedLPCState, (obj), TYPE_ASPEED_LPC)
17 
18 #define ASPEED_LPC_NR_REGS      (0x260 >> 2)
19 
20 enum aspeed_lpc_subdevice {
21     aspeed_lpc_kcs_1 = 0,
22     aspeed_lpc_kcs_2,
23     aspeed_lpc_kcs_3,
24     aspeed_lpc_kcs_4,
25     aspeed_lpc_ibt,
26 };
27 
28 #define ASPEED_LPC_NR_SUBDEVS   5
29 
30 typedef struct AspeedLPCState {
31     /* <private> */
32     SysBusDevice parent;
33 
34     /*< public >*/
35     MemoryRegion iomem;
36     qemu_irq irq;
37 
38     qemu_irq subdevice_irqs[ASPEED_LPC_NR_SUBDEVS];
39     uint32_t subdevice_irqs_pending;
40 
41     uint32_t regs[ASPEED_LPC_NR_REGS];
42     uint32_t hicr7;
43 } AspeedLPCState;
44 
45 #endif /* ASPEED_LPC_H */
46