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1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASM_MACH_LOONGSON64_BOOT_PARAM_H_
3 #define __ASM_MACH_LOONGSON64_BOOT_PARAM_H_
4 
5 #include <linux/types.h>
6 
7 #define SYSTEM_RAM_LOW		1
8 #define SYSTEM_RAM_HIGH		2
9 #define SYSTEM_RAM_RESERVED	3
10 #define PCI_IO			4
11 #define PCI_MEM			5
12 #define LOONGSON_CFG_REG	6
13 #define VIDEO_ROM		7
14 #define ADAPTER_ROM		8
15 #define ACPI_TABLE		9
16 #define SMBIOS_TABLE		10
17 #define UMA_VIDEO_RAM		11
18 #define VUMA_VIDEO_RAM		12
19 #define MAX_MEMORY_TYPE		13
20 
21 #define MEM_SIZE_IS_IN_BYTES	(1 << 31)
22 
23 #define LOONGSON3_BOOT_MEM_MAP_MAX 128
24 struct efi_memory_map_loongson {
25 	u16 vers;	/* version of efi_memory_map */
26 	u32 nr_map;	/* number of memory_maps */
27 	u32 mem_freq;	/* memory frequence */
28 	struct mem_map {
29 		u32 node_id;	/* node_id which memory attached to */
30 		u32 mem_type;	/* system memory, pci memory, pci io, etc. */
31 		u64 mem_start;	/* memory map start address */
32 		u32 mem_size;	/* each memory_map size, not the total size */
33 	} map[LOONGSON3_BOOT_MEM_MAP_MAX];
34 } __packed;
35 
36 enum loongson_cpu_type {
37 	Legacy_2E = 0x0,
38 	Legacy_2F = 0x1,
39 	Legacy_3A = 0x2,
40 	Legacy_3B = 0x3,
41 	Legacy_1A = 0x4,
42 	Legacy_1B = 0x5,
43 	Legacy_2G = 0x6,
44 	Legacy_2H = 0x7,
45 	Loongson_1A = 0x100,
46 	Loongson_1B = 0x101,
47 	Loongson_2E = 0x200,
48 	Loongson_2F = 0x201,
49 	Loongson_2G = 0x202,
50 	Loongson_2H = 0x203,
51 	Loongson_3A = 0x300,
52 	Loongson_3B = 0x301
53 };
54 
55 /*
56  * Capability and feature descriptor structure for MIPS CPU
57  */
58 struct efi_cpuinfo_loongson {
59 	u16 vers;     /* version of efi_cpuinfo_loongson */
60 	u32 processor_id; /* PRID, e.g. 6305, 6306 */
61 	u32 cputype;  /* Loongson_3A/3B, etc. */
62 	u32 total_node;   /* num of total numa nodes */
63 	u16 cpu_startup_core_id; /* Boot core id */
64 	u16 reserved_cores_mask;
65 	u32 cpu_clock_freq; /* cpu_clock */
66 	u32 nr_cpus;
67 } __packed;
68 
69 #define MAX_UARTS 64
70 struct uart_device {
71 	u32 iotype; /* see include/linux/serial_core.h */
72 	u32 uartclk;
73 	u32 int_offset;
74 	u64 uart_base;
75 } __packed;
76 
77 #define MAX_SENSORS 64
78 #define SENSOR_TEMPER  0x00000001
79 #define SENSOR_VOLTAGE 0x00000002
80 #define SENSOR_FAN     0x00000004
81 struct sensor_device {
82 	char name[32];  /* a formal name */
83 	char label[64]; /* a flexible description */
84 	u32 type;       /* SENSOR_* */
85 	u32 id;         /* instance id of a sensor-class */
86 	u32 fan_policy; /* see loongson_hwmon.h */
87 	u32 fan_percent;/* only for constant speed policy */
88 	u64 base_addr;  /* base address of device registers */
89 } __packed;
90 
91 struct system_loongson {
92 	u16 vers;     /* version of system_loongson */
93 	u32 ccnuma_smp; /* 0: no numa; 1: has numa */
94 	u32 sing_double_channel; /* 1:single; 2:double */
95 	u32 nr_uarts;
96 	struct uart_device uarts[MAX_UARTS];
97 	u32 nr_sensors;
98 	struct sensor_device sensors[MAX_SENSORS];
99 	char has_ec;
100 	char ec_name[32];
101 	u64 ec_base_addr;
102 	char has_tcm;
103 	char tcm_name[32];
104 	u64 tcm_base_addr;
105 	u64 workarounds; /* see workarounds.h */
106 } __packed;
107 
108 struct irq_source_routing_table {
109 	u16 vers;
110 	u16 size;
111 	u16 rtr_bus;
112 	u16 rtr_devfn;
113 	u32 vendor;
114 	u32 device;
115 	u32 PIC_type;   /* conform use HT or PCI to route to CPU-PIC */
116 	u64 ht_int_bit; /* 3A: 1<<24; 3B: 1<<16 */
117 	u64 ht_enable;  /* irqs used in this PIC */
118 	u32 node_id;    /* node id: 0x0-0; 0x1-1; 0x10-2; 0x11-3 */
119 	u64 pci_mem_start_addr;
120 	u64 pci_mem_end_addr;
121 	u64 pci_io_start_addr;
122 	u64 pci_io_end_addr;
123 	u64 pci_config_addr;
124 	u16 dma_mask_bits;
125 	u16 dma_noncoherent;
126 } __packed;
127 
128 struct interface_info {
129 	u16 vers; /* version of the specificition */
130 	u16 size;
131 	u8  flag;
132 	char description[64];
133 } __packed;
134 
135 #define MAX_RESOURCE_NUMBER 128
136 struct resource_loongson {
137 	u64 start; /* resource start address */
138 	u64 end;   /* resource end address */
139 	char name[64];
140 	u32 flags;
141 };
142 
143 struct archdev_data {};  /* arch specific additions */
144 
145 struct board_devices {
146 	char name[64];    /* hold the device name */
147 	u32 num_resources; /* number of device_resource */
148 	/* for each device's resource */
149 	struct resource_loongson resource[MAX_RESOURCE_NUMBER];
150 	/* arch specific additions */
151 	struct archdev_data archdata;
152 };
153 
154 struct loongson_special_attribute {
155 	u16 vers;     /* version of this special */
156 	char special_name[64]; /* special_atribute_name */
157 	u32 loongson_special_type; /* type of special device */
158 	/* for each device's resource */
159 	struct resource_loongson resource[MAX_RESOURCE_NUMBER];
160 };
161 
162 struct loongson_params {
163 	u64 memory_offset;	/* efi_memory_map_loongson struct offset */
164 	u64 cpu_offset;		/* efi_cpuinfo_loongson struct offset */
165 	u64 system_offset;	/* system_loongson struct offset */
166 	u64 irq_offset;		/* irq_source_routing_table struct offset */
167 	u64 interface_offset;	/* interface_info struct offset */
168 	u64 special_offset;	/* loongson_special_attribute struct offset */
169 	u64 boarddev_table_offset;  /* board_devices offset */
170 };
171 
172 struct smbios_tables {
173 	u16 vers;     /* version of smbios */
174 	u64 vga_bios; /* vga_bios address */
175 	struct loongson_params lp;
176 };
177 
178 struct efi_reset_system_t {
179 	u64 ResetCold;
180 	u64 ResetWarm;
181 	u64 ResetType;
182 	u64 Shutdown;
183 	u64 DoSuspend; /* NULL if not support */
184 };
185 
186 struct efi_loongson {
187 	u64 mps;	/* MPS table */
188 	u64 acpi;	/* ACPI table (IA64 ext 0.71) */
189 	u64 acpi20;	/* ACPI table (ACPI 2.0) */
190 	struct smbios_tables smbios;	/* SM BIOS table */
191 	u64 sal_systab;	/* SAL system table */
192 	u64 boot_info;	/* boot info table */
193 };
194 
195 struct boot_params {
196 	struct efi_loongson efi;
197 	struct efi_reset_system_t reset_system;
198 };
199 
200 enum loongson_bridge_type {
201 	LS7A = 1,
202 	RS780E = 2,
203 	VIRTUAL = 3
204 };
205 
206 extern struct efi_memory_map_loongson *loongson_memmap;
207 extern struct loongson_system_configuration loongson_sysconf;
208 
209 extern struct board_devices *eboard;
210 extern struct interface_info *einter;
211 extern struct loongson_special_attribute *especial;
212 
213 extern u32 node_id_offset;
214 extern void ls7a_early_config(void);
215 extern void rs780e_early_config(void);
216 extern void virtual_early_config(void);
217 
218 #endif
219