LXR linux/arch/mips/include/asm/mach-loongson64/boot

   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
 214