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