@samitouri / QOSamiQemu
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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 uint32_t cpu_count, uint32_t processor_id,
237 uint64_t cpu_freq, uint64_t ram_size);
238 void init_reset_system(struct efi_reset_system_t *reset);
239
240 #endif