xref: /qemu/include/hw/ppc/pnv_pnor.h (revision 3907add7a6016401e58e8dbe5b2ddfa06cd1f66a)
1 /*
2  * QEMU PowerNV PNOR simple model
3  *
4  * Copyright (c) 2019, IBM Corporation.
5  *
6  * This code is licensed under the GPL version 2 or later. See the
7  * COPYING file in the top-level directory.
8  */
9 
10 #ifndef PPC_PNV_PNOR_H
11 #define PPC_PNV_PNOR_H
12 
13 #include "hw/sysbus.h"
14 
15 /*
16  * PNOR offset on the LPC FW address space. For now this should be 0 because
17  * skiboot 7.1 has a bug where IDSEL > 0 (LPC FW address > 256MB) access is
18  * not performed correctly.
19  */
20 #define PNOR_SPI_OFFSET         0x00000000UL
21 
22 #define TYPE_PNV_PNOR  "pnv-pnor"
23 OBJECT_DECLARE_SIMPLE_TYPE(PnvPnor, PNV_PNOR)
24 
25 struct PnvPnor {
26     SysBusDevice   parent_obj;
27 
28     BlockBackend   *blk;
29 
30     uint8_t        *storage;
31     uint32_t       lpc_address; /* Offset within LPC FW space */
32     int64_t        size;
33     MemoryRegion   mmio;
34 };
35 
36 #endif /* PPC_PNV_PNOR_H */
37