xref: /openbmc/qemu/include/hw/misc/aspeed_xdma.h (revision 6c769690)
1 /*
2  * ASPEED XDMA Controller
3  * Eddie James <eajames@linux.ibm.com>
4  *
5  * Copyright (C) 2019 IBM Corp.
6  * SPDX-License-Identifier: GPL-2.0-or-later
7  */
8 
9 #ifndef ASPEED_XDMA_H
10 #define ASPEED_XDMA_H
11 
12 #include "hw/sysbus.h"
13 #include "qom/object.h"
14 
15 #define TYPE_ASPEED_XDMA "aspeed.xdma"
16 #define TYPE_ASPEED_2400_XDMA TYPE_ASPEED_XDMA "-ast2400"
17 #define TYPE_ASPEED_2500_XDMA TYPE_ASPEED_XDMA "-ast2500"
18 #define TYPE_ASPEED_2600_XDMA TYPE_ASPEED_XDMA "-ast2600"
19 OBJECT_DECLARE_TYPE(AspeedXDMAState, AspeedXDMAClass, ASPEED_XDMA)
20 
21 #define ASPEED_XDMA_NUM_REGS (ASPEED_XDMA_REG_SIZE / sizeof(uint32_t))
22 #define ASPEED_XDMA_REG_SIZE 0x7C
23 
24 struct AspeedXDMAState {
25     SysBusDevice parent;
26 
27     MemoryRegion iomem;
28     qemu_irq irq;
29 
30     char bmc_cmdq_readp_set;
31     uint32_t regs[ASPEED_XDMA_NUM_REGS];
32 };
33 
34 struct AspeedXDMAClass {
35     SysBusDeviceClass parent_class;
36 
37     uint8_t cmdq_endp;
38     uint8_t cmdq_wrp;
39     uint8_t cmdq_rdp;
40     uint8_t intr_ctrl;
41     uint32_t intr_ctrl_mask;
42     uint8_t intr_status;
43     uint32_t intr_complete;
44 };
45 
46 #endif /* ASPEED_XDMA_H */
47