xref: /openbmc/qemu/include/hw/ppc/pnv_psi.h (revision ae3c12a0)
1 /*
2  * QEMU PowerPC PowerNV Processor Service Interface (PSI) model
3  *
4  * Copyright (c) 2015-2017, 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 
20 #ifndef PPC_PNV_PSI_H
21 #define PPC_PNV_PSI_H
22 
23 #include "hw/sysbus.h"
24 #include "hw/ppc/xics.h"
25 #include "hw/ppc/xive.h"
26 
27 #define TYPE_PNV_PSI "pnv-psi"
28 #define PNV_PSI(obj) \
29      OBJECT_CHECK(PnvPsi, (obj), TYPE_PNV_PSI)
30 
31 #define PSIHB_XSCOM_MAX         0x20
32 
33 typedef struct PnvPsi {
34     SysBusDevice parent;
35 
36     MemoryRegion regs_mr;
37     uint64_t bar;
38 
39     /* FSP region not supported */
40     /* MemoryRegion fsp_mr; */
41     uint64_t fsp_bar;
42 
43     /* Interrupt generation */
44     qemu_irq *qirqs;
45 
46     /* Registers */
47     uint64_t regs[PSIHB_XSCOM_MAX];
48 
49     MemoryRegion xscom_regs;
50 } PnvPsi;
51 
52 #define TYPE_PNV8_PSI TYPE_PNV_PSI "-POWER8"
53 #define PNV8_PSI(obj) \
54     OBJECT_CHECK(Pnv8Psi, (obj), TYPE_PNV8_PSI)
55 
56 typedef struct Pnv8Psi {
57     PnvPsi   parent;
58 
59     ICSState ics;
60 } Pnv8Psi;
61 
62 #define TYPE_PNV9_PSI TYPE_PNV_PSI "-POWER9"
63 #define PNV9_PSI(obj) \
64     OBJECT_CHECK(Pnv9Psi, (obj), TYPE_PNV9_PSI)
65 
66 typedef struct Pnv9Psi {
67     PnvPsi   parent;
68 
69     XiveSource source;
70 } Pnv9Psi;
71 
72 #define PNV_PSI_CLASS(klass) \
73      OBJECT_CLASS_CHECK(PnvPsiClass, (klass), TYPE_PNV_PSI)
74 #define PNV_PSI_GET_CLASS(obj) \
75      OBJECT_GET_CLASS(PnvPsiClass, (obj), TYPE_PNV_PSI)
76 
77 typedef struct PnvPsiClass {
78     SysBusDeviceClass parent_class;
79 
80     int chip_type;
81     uint32_t xscom_pcba;
82     uint32_t xscom_size;
83     uint64_t bar_mask;
84 
85     void (*irq_set)(PnvPsi *psi, int, bool state);
86 } PnvPsiClass;
87 
88 /* The PSI and FSP interrupts are muxed on the same IRQ number */
89 typedef enum PnvPsiIrq {
90     PSIHB_IRQ_PSI, /* internal use only */
91     PSIHB_IRQ_FSP, /* internal use only */
92     PSIHB_IRQ_OCC,
93     PSIHB_IRQ_FSI,
94     PSIHB_IRQ_LPC_I2C,
95     PSIHB_IRQ_LOCAL_ERR,
96     PSIHB_IRQ_EXTERNAL,
97 } PnvPsiIrq;
98 
99 #define PSI_NUM_INTERRUPTS 6
100 
101 void pnv_psi_irq_set(PnvPsi *psi, int irq, bool state);
102 
103 /* P9 PSI Interrupts */
104 #define PSIHB9_IRQ_PSI          0
105 #define PSIHB9_IRQ_OCC          1
106 #define PSIHB9_IRQ_FSI          2
107 #define PSIHB9_IRQ_LPCHC        3
108 #define PSIHB9_IRQ_LOCAL_ERR    4
109 #define PSIHB9_IRQ_GLOBAL_ERR   5
110 #define PSIHB9_IRQ_TPM          6
111 #define PSIHB9_IRQ_LPC_SIRQ0    7
112 #define PSIHB9_IRQ_LPC_SIRQ1    8
113 #define PSIHB9_IRQ_LPC_SIRQ2    9
114 #define PSIHB9_IRQ_LPC_SIRQ3    10
115 #define PSIHB9_IRQ_SBE_I2C      11
116 #define PSIHB9_IRQ_DIO          12
117 #define PSIHB9_IRQ_PSU          13
118 #define PSIHB9_NUM_IRQS         14
119 
120 void pnv_psi_pic_print_info(Pnv9Psi *psi, Monitor *mon);
121 
122 #endif /* PPC_PNV_PSI_H */
123