root/arch/mips/include/asm/mach-loongson64/boot_param.h

INCLUDED FROM

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