1 #ifndef __ASM_MACH_LOONGSON64_BOOT_PARAM_H_
2 #define __ASM_MACH_LOONGSON64_BOOT_PARAM_H_
3 
4 #define SYSTEM_RAM_LOW		1
5 #define SYSTEM_RAM_HIGH		2
6 #define MEM_RESERVED		3
7 #define PCI_IO			4
8 #define PCI_MEM			5
9 #define LOONGSON_CFG_REG	6
10 #define VIDEO_ROM		7
11 #define ADAPTER_ROM		8
12 #define ACPI_TABLE		9
13 #define SMBIOS_TABLE		10
14 #define MAX_MEMORY_TYPE		11
15 
16 #define LOONGSON3_BOOT_MEM_MAP_MAX 128
17 struct efi_memory_map_loongson {
18 	u16 vers;	/* version of efi_memory_map */
19 	u32 nr_map;	/* number of memory_maps */
20 	u32 mem_freq;	/* memory frequence */
21 	struct mem_map {
22 		u32 node_id;	/* node_id which memory attached to */
23 		u32 mem_type;	/* system memory, pci memory, pci io, etc. */
24 		u64 mem_start;	/* memory map start address */
25 		u32 mem_size;	/* each memory_map size, not the total size */
26 	} map[LOONGSON3_BOOT_MEM_MAP_MAX];
27 } __packed;
28 
29 enum loongson_cpu_type {
30 	Legacy_2E = 0x0,
31 	Legacy_2F = 0x1,
32 	Legacy_3A = 0x2,
33 	Legacy_3B = 0x3,
34 	Legacy_1A = 0x4,
35 	Legacy_1B = 0x5,
36 	Legacy_2G = 0x6,
37 	Legacy_2H = 0x7,
38 	Loongson_1A = 0x100,
39 	Loongson_1B = 0x101,
40 	Loongson_2E = 0x200,
41 	Loongson_2F = 0x201,
42 	Loongson_2G = 0x202,
43 	Loongson_2H = 0x203,
44 	Loongson_3A = 0x300,
45 	Loongson_3B = 0x301
46 };
47 
48 /*
49  * Capability and feature descriptor structure for MIPS CPU
50  */
51 struct efi_cpuinfo_loongson {
52 	u16 vers;     /* version of efi_cpuinfo_loongson */
53 	u32 processor_id; /* PRID, e.g. 6305, 6306 */
54 	u32 cputype;  /* Loongson_3A/3B, etc. */
55 	u32 total_node;   /* num of total numa nodes */
56 	u16 cpu_startup_core_id; /* Boot core id */
57 	u16 reserved_cores_mask;
58 	u32 cpu_clock_freq; /* cpu_clock */
59 	u32 nr_cpus;
60 } __packed;
61 
62 #define MAX_UARTS 64
63 struct uart_device {
64 	u32 iotype; /* see include/linux/serial_core.h */
65 	u32 uartclk;
66 	u32 int_offset;
67 	u64 uart_base;
68 } __packed;
69 
70 #define MAX_SENSORS 64
71 #define SENSOR_TEMPER  0x00000001
72 #define SENSOR_VOLTAGE 0x00000002
73 #define SENSOR_FAN     0x00000004
74 struct sensor_device {
75 	char name[32];  /* a formal name */
76 	char label[64]; /* a flexible description */
77 	u32 type;       /* SENSOR_* */
78 	u32 id;         /* instance id of a sensor-class */
79 	u32 fan_policy; /* see loongson_hwmon.h */
80 	u32 fan_percent;/* only for constant speed policy */
81 	u64 base_addr;  /* base address of device registers */
82 } __packed;
83 
84 struct system_loongson {
85 	u16 vers;     /* version of system_loongson */
86 	u32 ccnuma_smp; /* 0: no numa; 1: has numa */
87 	u32 sing_double_channel; /* 1:single; 2:double */
88 	u32 nr_uarts;
89 	struct uart_device uarts[MAX_UARTS];
90 	u32 nr_sensors;
91 	struct sensor_device sensors[MAX_SENSORS];
92 	char has_ec;
93 	char ec_name[32];
94 	u64 ec_base_addr;
95 	char has_tcm;
96 	char tcm_name[32];
97 	u64 tcm_base_addr;
98 	u64 workarounds; /* see workarounds.h */
99 } __packed;
100 
101 struct irq_source_routing_table {
102 	u16 vers;
103 	u16 size;
104 	u16 rtr_bus;
105 	u16 rtr_devfn;
106 	u32 vendor;
107 	u32 device;
108 	u32 PIC_type;   /* conform use HT or PCI to route to CPU-PIC */
109 	u64 ht_int_bit; /* 3A: 1<<24; 3B: 1<<16 */
110 	u64 ht_enable;  /* irqs used in this PIC */
111 	u32 node_id;    /* node id: 0x0-0; 0x1-1; 0x10-2; 0x11-3 */
112 	u64 pci_mem_start_addr;
113 	u64 pci_mem_end_addr;
114 	u64 pci_io_start_addr;
115 	u64 pci_io_end_addr;
116 	u64 pci_config_addr;
117 	u32 dma_mask_bits;
118 } __packed;
119 
120 struct interface_info {
121 	u16 vers; /* version of the specificition */
122 	u16 size;
123 	u8  flag;
124 	char description[64];
125 } __packed;
126 
127 #define MAX_RESOURCE_NUMBER 128
128 struct resource_loongson {
129 	u64 start; /* resource start address */
130 	u64 end;   /* resource end address */
131 	char name[64];
132 	u32 flags;
133 };
134 
135 struct archdev_data {};  /* arch specific additions */
136 
137 struct board_devices {
138 	char name[64];    /* hold the device name */
139 	u32 num_resources; /* number of device_resource */
140 	/* for each device's resource */
141 	struct resource_loongson resource[MAX_RESOURCE_NUMBER];
142 	/* arch specific additions */
143 	struct archdev_data archdata;
144 };
145 
146 struct loongson_special_attribute {
147 	u16 vers;     /* version of this special */
148 	char special_name[64]; /* special_atribute_name */
149 	u32 loongson_special_type; /* type of special device */
150 	/* for each device's resource */
151 	struct resource_loongson resource[MAX_RESOURCE_NUMBER];
152 };
153 
154 struct loongson_params {
155 	u64 memory_offset;	/* efi_memory_map_loongson struct offset */
156 	u64 cpu_offset;		/* efi_cpuinfo_loongson struct offset */
157 	u64 system_offset;	/* system_loongson struct offset */
158 	u64 irq_offset;		/* irq_source_routing_table struct offset */
159 	u64 interface_offset;	/* interface_info struct offset */
160 	u64 special_offset;	/* loongson_special_attribute struct offset */
161 	u64 boarddev_table_offset;  /* board_devices offset */
162 };
163 
164 struct smbios_tables {
165 	u16 vers;     /* version of smbios */
166 	u64 vga_bios; /* vga_bios address */
167 	struct loongson_params lp;
168 };
169 
170 struct efi_reset_system_t {
171 	u64 ResetCold;
172 	u64 ResetWarm;
173 	u64 ResetType;
174 	u64 Shutdown;
175 	u64 DoSuspend; /* NULL if not support */
176 };
177 
178 struct efi_loongson {
179 	u64 mps;	/* MPS table */
180 	u64 acpi;	/* ACPI table (IA64 ext 0.71) */
181 	u64 acpi20;	/* ACPI table (ACPI 2.0) */
182 	struct smbios_tables smbios;	/* SM BIOS table */
183 	u64 sal_systab;	/* SAL system table */
184 	u64 boot_info;	/* boot info table */
185 };
186 
187 struct boot_params {
188 	struct efi_loongson efi;
189 	struct efi_reset_system_t reset_system;
190 };
191 
192 struct loongson_system_configuration {
193 	u32 nr_cpus;
194 	u32 nr_nodes;
195 	int cores_per_node;
196 	int cores_per_package;
197 	u16 boot_cpu_id;
198 	u16 reserved_cpus_mask;
199 	enum loongson_cpu_type cputype;
200 	u64 ht_control_base;
201 	u64 pci_mem_start_addr;
202 	u64 pci_mem_end_addr;
203 	u64 pci_io_base;
204 	u64 restart_addr;
205 	u64 poweroff_addr;
206 	u64 suspend_addr;
207 	u64 vgabios_addr;
208 	u32 dma_mask_bits;
209 	char ecname[32];
210 	u32 nr_uarts;
211 	struct uart_device uarts[MAX_UARTS];
212 	u32 nr_sensors;
213 	struct sensor_device sensors[MAX_SENSORS];
214 	u64 workarounds;
215 };
216 
217 extern struct efi_memory_map_loongson *loongson_memmap;
218 extern struct loongson_system_configuration loongson_sysconf;
219 
220 #endif
221