xref: /qemu/hw/mips/loongson3_bootp.h (revision c3425158)
1 /*
2  * LEFI (a UEFI-like interface for BIOS-Kernel boot parameters) data structures
3  * defined at arch/mips/include/asm/mach-loongson64/boot_param.h in Linux kernel
4  *
5  * Copyright (c) 2017-2020 Huacai Chen (chenhc@lemote.com)
6  * Copyright (c) 2017-2020 Jiaxun Yang <jiaxun.yang@flygoat.com>
7  *
8  * This program is free software: you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation, either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program. If not, see <https://www.gnu.org/licenses/>.
20  */
21 
22 #ifndef HW_MIPS_LOONGSON3_BOOTP_H
23 #define HW_MIPS_LOONGSON3_BOOTP_H
24 
25 struct efi_memory_map_loongson {
26     uint16_t vers;               /* version of efi_memory_map */
27     uint32_t nr_map;             /* number of memory_maps */
28     uint32_t mem_freq;           /* memory frequency */
29     struct mem_map {
30         uint32_t node_id;        /* node_id which memory attached to */
31         uint32_t mem_type;       /* system memory, pci memory, pci io, etc. */
32         uint64_t mem_start;      /* memory map start address */
33         uint32_t mem_size;       /* each memory_map size, not the total size */
34     } map[128];
35 } QEMU_PACKED;
36 
37 enum loongson_cpu_type {
38     Legacy_2E = 0x0,
39     Legacy_2F = 0x1,
40     Legacy_3A = 0x2,
41     Legacy_3B = 0x3,
42     Legacy_1A = 0x4,
43     Legacy_1B = 0x5,
44     Legacy_2G = 0x6,
45     Legacy_2H = 0x7,
46     Loongson_1A = 0x100,
47     Loongson_1B = 0x101,
48     Loongson_2E = 0x200,
49     Loongson_2F = 0x201,
50     Loongson_2G = 0x202,
51     Loongson_2H = 0x203,
52     Loongson_3A = 0x300,
53     Loongson_3B = 0x301
54 };
55 
56 /*
57  * Capability and feature descriptor structure for MIPS CPU
58  */
59 struct efi_cpuinfo_loongson {
60     uint16_t vers;               /* version of efi_cpuinfo_loongson */
61     uint32_t processor_id;       /* PRID, e.g. 6305, 6306 */
62     uint32_t cputype;            /* Loongson_3A/3B, etc. */
63     uint32_t total_node;         /* num of total numa nodes */
64     uint16_t cpu_startup_core_id;   /* Boot core id */
65     uint16_t reserved_cores_mask;
66     uint32_t cpu_clock_freq;     /* cpu_clock */
67     uint32_t nr_cpus;
68     char cpuname[64];
69 } QEMU_PACKED;
70 
71 #define MAX_UARTS 64
72 struct uart_device {
73     uint32_t iotype;
74     uint32_t uartclk;
75     uint32_t int_offset;
76     uint64_t uart_base;
77 } QEMU_PACKED;
78 
79 #define MAX_SENSORS 64
80 #define SENSOR_TEMPER  0x00000001
81 #define SENSOR_VOLTAGE 0x00000002
82 #define SENSOR_FAN     0x00000004
83 struct sensor_device {
84     char name[32];  /* a formal name */
85     char label[64]; /* a flexible description */
86     uint32_t type;       /* SENSOR_* */
87     uint32_t id;         /* instance id of a sensor-class */
88     uint32_t fan_policy; /* step speed or constant speed */
89     uint32_t fan_percent;/* only for constant speed policy */
90     uint64_t base_addr;  /* base address of device registers */
91 } QEMU_PACKED;
92 
93 struct system_loongson {
94     uint16_t vers;               /* version of system_loongson */
95     uint32_t ccnuma_smp;         /* 0: no numa; 1: has numa */
96     uint32_t sing_double_channel;/* 1: single; 2: double */
97     uint32_t nr_uarts;
98     struct uart_device uarts[MAX_UARTS];
99     uint32_t nr_sensors;
100     struct sensor_device sensors[MAX_SENSORS];
101     char has_ec;
102     char ec_name[32];
103     uint64_t ec_base_addr;
104     char has_tcm;
105     char tcm_name[32];
106     uint64_t tcm_base_addr;
107     uint64_t workarounds;
108     uint64_t of_dtb_addr; /* NULL if not support */
109 } QEMU_PACKED;
110 
111 struct irq_source_routing_table {
112     uint16_t vers;
113     uint16_t size;
114     uint16_t rtr_bus;
115     uint16_t rtr_devfn;
116     uint32_t vendor;
117     uint32_t device;
118     uint32_t PIC_type;           /* conform use HT or PCI to route to CPU-PIC */
119     uint64_t ht_int_bit;         /* 3A: 1<<24; 3B: 1<<16 */
120     uint64_t ht_enable;          /* irqs used in this PIC */
121     uint32_t node_id;            /* node id: 0x0-0; 0x1-1; 0x10-2; 0x11-3 */
122     uint64_t pci_mem_start_addr;
123     uint64_t pci_mem_end_addr;
124     uint64_t pci_io_start_addr;
125     uint64_t pci_io_end_addr;
126     uint64_t pci_config_addr;
127     uint16_t dma_mask_bits;
128     uint16_t dma_noncoherent;
129 } QEMU_PACKED;
130 
131 struct interface_info {
132     uint16_t vers;               /* version of the specificition */
133     uint16_t size;
134     uint8_t  flag;
135     char description[64];
136 } QEMU_PACKED;
137 
138 #define MAX_RESOURCE_NUMBER 128
139 struct resource_loongson {
140     uint64_t start;              /* resource start address */
141     uint64_t end;                /* resource end address */
142     char name[64];
143     uint32_t flags;
144 };
145 
146 struct archdev_data {};          /* arch specific additions */
147 
148 struct board_devices {
149     char name[64];               /* hold the device name */
150     uint32_t num_resources;      /* number of device_resource */
151     /* for each device's resource */
152     struct resource_loongson resource[MAX_RESOURCE_NUMBER];
153     /* arch specific additions */
154     struct archdev_data archdata;
155 };
156 
157 struct loongson_special_attribute {
158     uint16_t vers;               /* version of this special */
159     char special_name[64];       /* special_attribute_name */
160     uint32_t loongson_special_type; /* type of special device */
161     /* for each device's resource */
162     struct resource_loongson resource[MAX_RESOURCE_NUMBER];
163 };
164 
165 struct loongson_params {
166     uint64_t memory_offset;      /* efi_memory_map_loongson struct offset */
167     uint64_t cpu_offset;         /* efi_cpuinfo_loongson struct offset */
168     uint64_t system_offset;      /* system_loongson struct offset */
169     uint64_t irq_offset;         /* irq_source_routing_table struct offset */
170     uint64_t interface_offset;   /* interface_info struct offset */
171     uint64_t special_offset;     /* loongson_special_attribute struct offset */
172     uint64_t boarddev_table_offset;  /* board_devices offset */
173 };
174 
175 struct smbios_tables {
176     uint16_t vers;               /* version of smbios */
177     uint64_t vga_bios;           /* vga_bios address */
178     struct loongson_params lp;
179 };
180 
181 struct efi_reset_system_t {
182     uint64_t ResetCold;
183     uint64_t ResetWarm;
184     uint64_t ResetType;
185     uint64_t Shutdown;
186     uint64_t DoSuspend; /* NULL if not support */
187 };
188 
189 struct efi_loongson {
190     uint64_t mps;                /* MPS table */
191     uint64_t acpi;               /* ACPI table (IA64 ext 0.71) */
192     uint64_t acpi20;             /* ACPI table (ACPI 2.0) */
193     struct smbios_tables smbios; /* SM BIOS table */
194     uint64_t sal_systab;         /* SAL system table */
195     uint64_t boot_info;          /* boot info table */
196 };
197 
198 struct boot_params {
199     struct efi_loongson efi;
200     struct efi_reset_system_t reset_system;
201 };
202 
203 #define LOONGSON3_CORE_PER_NODE 4
204 
205 /* Overall MMIO & Memory layout */
206 enum {
207     VIRT_LOWMEM,
208     VIRT_PM,
209     VIRT_FW_CFG,
210     VIRT_RTC,
211     VIRT_PCIE_PIO,
212     VIRT_PCIE_ECAM,
213     VIRT_BIOS_ROM,
214     VIRT_UART,
215     VIRT_LIOINTC,
216     VIRT_IPI,
217     VIRT_PCIE_MMIO,
218     VIRT_HIGHMEM
219 };
220 
221 /* Low MEM layout for QEMU kernel loader */
222 enum {
223     LOADER_KERNEL,
224     LOADER_INITRD,
225     LOADER_CMDLINE
226 };
227 
228 /* BIOS ROM layout for QEMU kernel loader */
229 enum {
230     LOADER_BOOTROM,
231     LOADER_PARAM,
232 };
233 
234 extern const MemMapEntry virt_memmap[];
235 void init_loongson_params(struct loongson_params *lp, void *p,
236                           uint64_t cpu_freq, uint64_t ram_size);
237 void init_reset_system(struct efi_reset_system_t *reset);
238 
239 #endif
240