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

   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
  20 struct 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
  32 enum 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  */
  54 struct 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
  66 struct 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
  77 struct 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
  87 struct 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
 104 struct 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
 123 struct 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
 131 struct resource_loongson {
 132         u64 start; /* resource start address */
 133         u64 end;   /* resource end address */
 134         char name[64];
 135         u32 flags;
 136 };
 137
 138 struct archdev_data {};  /* arch specific additions */
 139
 140 struct 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
 149 struct 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
 157 struct 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
 167 struct smbios_tables {
 168         u16 vers;     /* version of smbios */
 169         u64 vga_bios; /* vga_bios address */
 170         struct loongson_params lp;
 171 };
 172
 173 struct 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
 181 struct 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
 190 struct boot_params {
 191         struct efi_loongson efi;
 192         struct efi_reset_system_t reset_system;
 193 };
 194
 195 enum loongson_bridge_type {
 196         LS7A = 1,
 197         RS780E = 2,
 198         VIRTUAL = 3
 199 };
 200
 201 struct loongson_system_configuration {
 202         u32 nr_cpus;
 203         u32 nr_nodes;
 204         int cores_per_node;
 205         int cores_per_package;
 206         u16 boot_cpu_id;
 207         u16 reserved_cpus_mask;
 208         enum loongson_cpu_type cputype;
 209         enum loongson_bridge_type bridgetype;
 210         u64 ht_control_base;
 211         u64 pci_mem_start_addr;
 212         u64 pci_mem_end_addr;
 213         u64 pci_io_base;
 214         u64 restart_addr;
 215         u64 poweroff_addr;
 216         u64 suspend_addr;
 217         u64 vgabios_addr;
 218         u32 dma_mask_bits;
 219         char ecname[32];
 220         u32 nr_uarts;
 221         struct uart_device uarts[MAX_UARTS];
 222         u32 nr_sensors;
 223         struct sensor_device sensors[MAX_SENSORS];
 224         u64 workarounds;
 225         void (*early_config)(void);
 226 };
 227
 228 extern struct efi_memory_map_loongson *loongson_memmap;
 229 extern struct loongson_system_configuration loongson_sysconf;
 230
 231 extern struct board_devices *eboard;
 232 extern struct interface_info *einter;
 233 extern struct loongson_special_attribute *especial;
 234
 235 extern u32 node_id_offset;
 236 extern void ls7a_early_config(void);
 237 extern void rs780e_early_config(void);
 238 extern void virtual_early_config(void);
 239
 240 #endif