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
24struct 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
36enum 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 */
58struct 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
70struct 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
81struct 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
91struct 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
108struct 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
128struct 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
136struct resource_loongson {
137	u64 start; /* resource start address */
138	u64 end;   /* resource end address */
139	char name[64];
140	u32 flags;
141};
142
143struct archdev_data {};  /* arch specific additions */
144
145struct 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
154struct 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
162struct 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
172struct smbios_tables {
173	u16 vers;     /* version of smbios */
174	u64 vga_bios; /* vga_bios address */
175	struct loongson_params lp;
176};
177
178struct 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
186struct 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
195struct boot_params {
196	struct efi_loongson efi;
197	struct efi_reset_system_t reset_system;
198};
199
200enum loongson_bridge_type {
201	LS7A = 1,
202	RS780E = 2,
203	VIRTUAL = 3
204};
205
206extern struct efi_memory_map_loongson *loongson_memmap;
207extern struct loongson_system_configuration loongson_sysconf;
208
209extern struct board_devices *eboard;
210extern struct interface_info *einter;
211extern struct loongson_special_attribute *especial;
212
213extern u32 node_id_offset;
214extern void ls7a_early_config(void);
215extern void rs780e_early_config(void);
216extern void virtual_early_config(void);
217
218#endif
219