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 	Legacy_2K = 0x8,
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_2K = 0x204,
53 	Loongson_3A = 0x300,
54 	Loongson_3B = 0x301
55 };
56 
57 /*
58  * Capability and feature descriptor structure for MIPS CPU
59  */
60 struct efi_cpuinfo_loongson {
61 	u16 vers;     /* version of efi_cpuinfo_loongson */
62 	u32 processor_id; /* PRID, e.g. 6305, 6306 */
63 	u32 cputype;  /* Loongson_3A/3B, etc. */
64 	u32 total_node;   /* num of total numa nodes */
65 	u16 cpu_startup_core_id; /* Boot core id */
66 	u16 reserved_cores_mask;
67 	u32 cpu_clock_freq; /* cpu_clock */
68 	u32 nr_cpus;
69 } __packed;
70 
71 #define MAX_UARTS 64
72 struct uart_device {
73 	u32 iotype; /* see include/linux/serial_core.h */
74 	u32 uartclk;
75 	u32 int_offset;
76 	u64 uart_base;
77 } __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 	u32 type;       /* SENSOR_* */
87 	u32 id;         /* instance id of a sensor-class */
88 	u32 fan_policy; /* see loongson_hwmon.h */
89 	u32 fan_percent;/* only for constant speed policy */
90 	u64 base_addr;  /* base address of device registers */
91 } __packed;
92 
93 struct system_loongson {
94 	u16 vers;     /* version of system_loongson */
95 	u32 ccnuma_smp; /* 0: no numa; 1: has numa */
96 	u32 sing_double_channel; /* 1:single; 2:double */
97 	u32 nr_uarts;
98 	struct uart_device uarts[MAX_UARTS];
99 	u32 nr_sensors;
100 	struct sensor_device sensors[MAX_SENSORS];
101 	char has_ec;
102 	char ec_name[32];
103 	u64 ec_base_addr;
104 	char has_tcm;
105 	char tcm_name[32];
106 	u64 tcm_base_addr;
107 	u64 workarounds; /* see workarounds.h */
108 } __packed;
109 
110 struct irq_source_routing_table {
111 	u16 vers;
112 	u16 size;
113 	u16 rtr_bus;
114 	u16 rtr_devfn;
115 	u32 vendor;
116 	u32 device;
117 	u32 PIC_type;   /* conform use HT or PCI to route to CPU-PIC */
118 	u64 ht_int_bit; /* 3A: 1<<24; 3B: 1<<16 */
119 	u64 ht_enable;  /* irqs used in this PIC */
120 	u32 node_id;    /* node id: 0x0-0; 0x1-1; 0x10-2; 0x11-3 */
121 	u64 pci_mem_start_addr;
122 	u64 pci_mem_end_addr;
123 	u64 pci_io_start_addr;
124 	u64 pci_io_end_addr;
125 	u64 pci_config_addr;
126 	u16 dma_mask_bits;
127 	u16 dma_noncoherent;
128 } __packed;
129 
130 struct interface_info {
131 	u16 vers; /* version of the specificition */
132 	u16 size;
133 	u8  flag;
134 	char description[64];
135 } __packed;
136 
137 #define MAX_RESOURCE_NUMBER 128
138 struct resource_loongson {
139 	u64 start; /* resource start address */
140 	u64 end;   /* resource end address */
141 	char name[64];
142 	u32 flags;
143 };
144 
145 struct archdev_data {};  /* arch specific additions */
146 
147 struct board_devices {
148 	char name[64];    /* hold the device name */
149 	u32 num_resources; /* number of device_resource */
150 	/* for each device's resource */
151 	struct resource_loongson resource[MAX_RESOURCE_NUMBER];
152 	/* arch specific additions */
153 	struct archdev_data archdata;
154 };
155 
156 struct loongson_special_attribute {
157 	u16 vers;     /* version of this special */
158 	char special_name[64]; /* special_atribute_name */
159 	u32 loongson_special_type; /* type of special device */
160 	/* for each device's resource */
161 	struct resource_loongson resource[MAX_RESOURCE_NUMBER];
162 };
163 
164 struct loongson_params {
165 	u64 memory_offset;	/* efi_memory_map_loongson struct offset */
166 	u64 cpu_offset;		/* efi_cpuinfo_loongson struct offset */
167 	u64 system_offset;	/* system_loongson struct offset */
168 	u64 irq_offset;		/* irq_source_routing_table struct offset */
169 	u64 interface_offset;	/* interface_info struct offset */
170 	u64 special_offset;	/* loongson_special_attribute struct offset */
171 	u64 boarddev_table_offset;  /* board_devices offset */
172 };
173 
174 struct smbios_tables {
175 	u16 vers;     /* version of smbios */
176 	u64 vga_bios; /* vga_bios address */
177 	struct loongson_params lp;
178 };
179 
180 struct efi_reset_system_t {
181 	u64 ResetCold;
182 	u64 ResetWarm;
183 	u64 ResetType;
184 	u64 Shutdown;
185 	u64 DoSuspend; /* NULL if not support */
186 };
187 
188 struct efi_loongson {
189 	u64 mps;	/* MPS table */
190 	u64 acpi;	/* ACPI table (IA64 ext 0.71) */
191 	u64 acpi20;	/* ACPI table (ACPI 2.0) */
192 	struct smbios_tables smbios;	/* SM BIOS table */
193 	u64 sal_systab;	/* SAL system table */
194 	u64 boot_info;	/* boot info table */
195 };
196 
197 struct boot_params {
198 	struct efi_loongson efi;
199 	struct efi_reset_system_t reset_system;
200 };
201 
202 enum loongson_bridge_type {
203 	LS7A = 1,
204 	RS780E = 2,
205 	VIRTUAL = 3
206 };
207 
208 extern struct efi_memory_map_loongson *loongson_memmap;
209 extern struct loongson_system_configuration loongson_sysconf;
210 
211 extern struct board_devices *eboard;
212 extern struct interface_info *einter;
213 extern struct loongson_special_attribute *especial;
214 
215 extern u32 node_id_offset;
216 extern void ls7a_early_config(void);
217 extern void rs780e_early_config(void);
218 extern void virtual_early_config(void);
219 
220 #endif
221