xref: /openbmc/qemu/include/hw/ppc/pnv_lpc.h (revision 3753c75d)
1 /*
2  * QEMU PowerPC PowerNV LPC controller
3  *
4  * Copyright (c) 2016, IBM Corporation.
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18  */
19 #ifndef _PPC_PNV_LPC_H
20 #define _PPC_PNV_LPC_H
21 
22 #define TYPE_PNV_LPC "pnv-lpc"
23 #define PNV_LPC(obj) \
24      OBJECT_CHECK(PnvLpcController, (obj), TYPE_PNV_LPC)
25 
26 typedef struct PnvLpcController {
27     DeviceState parent;
28 
29     uint64_t eccb_stat_reg;
30     uint32_t eccb_data_reg;
31 
32     /* OPB bus */
33     MemoryRegion opb_mr;
34     AddressSpace opb_as;
35 
36     /* ISA IO and Memory space */
37     MemoryRegion isa_io;
38     MemoryRegion isa_mem;
39 
40     /* Windows from OPB to ISA (aliases) */
41     MemoryRegion opb_isa_io;
42     MemoryRegion opb_isa_mem;
43     MemoryRegion opb_isa_fw;
44 
45     /* Registers */
46     MemoryRegion lpc_hc_regs;
47     MemoryRegion opb_master_regs;
48 
49     /* OPB Master LS registers */
50     uint32_t opb_irq_stat;
51     uint32_t opb_irq_mask;
52     uint32_t opb_irq_pol;
53     uint32_t opb_irq_input;
54 
55     /* LPC HC registers */
56     uint32_t lpc_hc_fw_seg_idsel;
57     uint32_t lpc_hc_fw_rd_acc_size;
58     uint32_t lpc_hc_irqser_ctrl;
59     uint32_t lpc_hc_irqmask;
60     uint32_t lpc_hc_irqstat;
61     uint32_t lpc_hc_error_addr;
62 
63     /* XSCOM registers */
64     MemoryRegion xscom_regs;
65 } PnvLpcController;
66 
67 #endif /* _PPC_PNV_LPC_H */
68