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 UMA_VIDEO_RAM           11
  18 #define VUMA_VIDEO_RAM          12
  19 #define MAX_MEMORY_TYPE         13
  20
  21 #define MEM_SIZE_IS_IN_BYTES    (1 << 31)
  22
  23 #define LOONGSON3_BOOT_MEM_MAP_MAX 128
  24 struct efi_memory_map_loongson {
  25         u16 vers;       /* version of efi_memory_map */
  26         u32 nr_map;     /* number of memory_maps */
  27         u32 mem_freq;   /* memory frequence */
  28         struct mem_map {
  29                 u32 node_id;    /* node_id which memory attached to */
  30                 u32 mem_type;   /* system memory, pci memory, pci io, etc. */
  31                 u64 mem_start;  /* memory map start address */
  32                 u32 mem_size;   /* each memory_map size, not the total size */
  33         } map[LOONGSON3_BOOT_MEM_MAP_MAX];
  34 } __packed;
  35
  36 enum loongson_cpu_type {
  37         Legacy_2E = 0x0,
  38         Legacy_2F = 0x1,
  39         Legacy_3A = 0x2,
  40         Legacy_3B = 0x3,
  41         Legacy_1A = 0x4,
  42         Legacy_1B = 0x5,
  43         Legacy_2G = 0x6,
  44         Legacy_2H = 0x7,
  45         Legacy_2K = 0x8,
  46         Loongson_1A = 0x100,
  47         Loongson_1B = 0x101,
  48         Loongson_2E = 0x200,
  49         Loongson_2F = 0x201,
  50         Loongson_2G = 0x202,
  51         Loongson_2H = 0x203,
  52         Loongson_2K = 0x204,
  53         Loongson_3A = 0x300,
  54         Loongson_3B = 0x301
  55 };
  56
  57 /*
  58  * Capability and feature descriptor structure for MIPS CPU
  59  */
  60 struct efi_cpuinfo_loongson {
  61         u16 vers;     /* version of efi_cpuinfo_loongson */
  62         u32 processor_id; /* PRID, e.g. 6305, 6306 */
  63         u32 cputype;  /* Loongson_3A/3B, etc. */
  64         u32 total_node;   /* num of total numa nodes */
  65         u16 cpu_startup_core_id; /* Boot core id */
  66         u16 reserved_cores_mask;
  67         u32 cpu_clock_freq; /* cpu_clock */
  68         u32 nr_cpus;
  69 } __packed;
  70
  71 #define MAX_UARTS 64
  72 struct uart_device {
  73         u32 iotype; /* see include/linux/serial_core.h */
  74         u32 uartclk;
  75         u32 int_offset;
  76         u64 uart_base;
  77 } __packed;
  78
  79 #define MAX_SENSORS 64
  80 #define SENSOR_TEMPER  0x00000001
  81 #define SENSOR_VOLTAGE 0x00000002
  82 #define SENSOR_FAN     0x00000004
  83 struct sensor_device {
  84         char name[32];  /* a formal name */
  85         char label[64]; /* a flexible description */
  86         u32 type;       /* SENSOR_* */
  87         u32 id;         /* instance id of a sensor-class */
  88         u32 fan_policy; /* see loongson_hwmon.h */
  89         u32 fan_percent;/* only for constant speed policy */
  90         u64 base_addr;  /* base address of device registers */
  91 } __packed;
  92
  93 struct system_loongson {
  94         u16 vers;     /* version of system_loongson */
  95         u32 ccnuma_smp; /* 0: no numa; 1: has numa */
  96         u32 sing_double_channel; /* 1:single; 2:double */
  97         u32 nr_uarts;
  98         struct uart_device uarts[MAX_UARTS];
  99         u32 nr_sensors;
 100         struct sensor_device sensors[MAX_SENSORS];
 101         char has_ec;
 102         char ec_name[32];
 103         u64 ec_base_addr;
 104         char has_tcm;
 105         char tcm_name[32];
 106         u64 tcm_base_addr;
 107         u64 workarounds; /* see workarounds.h */
 108 } __packed;
 109
 110 struct irq_source_routing_table {
 111         u16 vers;
 112         u16 size;
 113         u16 rtr_bus;
 114         u16 rtr_devfn;
 115         u32 vendor;
 116         u32 device;
 117         u32 PIC_type;   /* conform use HT or PCI to route to CPU-PIC */
 118         u64 ht_int_bit; /* 3A: 1<<24; 3B: 1<<16 */
 119         u64 ht_enable;  /* irqs used in this PIC */
 120         u32 node_id;    /* node id: 0x0-0; 0x1-1; 0x10-2; 0x11-3 */
 121         u64 pci_mem_start_addr;
 122         u64 pci_mem_end_addr;
 123         u64 pci_io_start_addr;
 124         u64 pci_io_end_addr;
 125         u64 pci_config_addr;
 126         u16 dma_mask_bits;
 127         u16 dma_noncoherent;
 128 } __packed;
 129
 130 struct interface_info {
 131         u16 vers; /* version of the specificition */
 132         u16 size;
 133         u8  flag;
 134         char description[64];
 135 } __packed;
 136
 137 #define MAX_RESOURCE_NUMBER 128
 138 struct resource_loongson {
 139         u64 start; /* resource start address */
 140         u64 end;   /* resource end address */
 141         char name[64];
 142         u32 flags;
 143 };
 144
 145 struct archdev_data {};  /* arch specific additions */
 146
 147 struct board_devices {
 148         char name[64];    /* hold the device name */
 149         u32 num_resources; /* number of device_resource */
 150         /* for each device's resource */
 151         struct resource_loongson resource[MAX_RESOURCE_NUMBER];
 152         /* arch specific additions */
 153         struct archdev_data archdata;
 154 };
 155
 156 struct loongson_special_attribute {
 157         u16 vers;     /* version of this special */
 158         char special_name[64]; /* special_atribute_name */
 159         u32 loongson_special_type; /* type of special device */
 160         /* for each device's resource */
 161         struct resource_loongson resource[MAX_RESOURCE_NUMBER];
 162 };
 163
 164 struct loongson_params {
 165         u64 memory_offset;      /* efi_memory_map_loongson struct offset */
 166         u64 cpu_offset;         /* efi_cpuinfo_loongson struct offset */
 167         u64 system_offset;      /* system_loongson struct offset */
 168         u64 irq_offset;         /* irq_source_routing_table struct offset */
 169         u64 interface_offset;   /* interface_info struct offset */
 170         u64 special_offset;     /* loongson_special_attribute struct offset */
 171         u64 boarddev_table_offset;  /* board_devices offset */
 172 };
 173
 174 struct smbios_tables {
 175         u16 vers;     /* version of smbios */
 176         u64 vga_bios; /* vga_bios address */
 177         struct loongson_params lp;
 178 };
 179
 180 struct efi_reset_system_t {
 181         u64 ResetCold;
 182         u64 ResetWarm;
 183         u64 ResetType;
 184         u64 Shutdown;
 185         u64 DoSuspend; /* NULL if not support */
 186 };
 187
 188 struct efi_loongson {
 189         u64 mps;        /* MPS table */
 190         u64 acpi;       /* ACPI table (IA64 ext 0.71) */
 191         u64 acpi20;     /* ACPI table (ACPI 2.0) */
 192         struct smbios_tables smbios;    /* SM BIOS table */
 193         u64 sal_systab; /* SAL system table */
 194         u64 boot_info;  /* boot info table */
 195 };
 196
 197 struct boot_params {
 198         struct efi_loongson efi;
 199         struct efi_reset_system_t reset_system;
 200 };
 201
 202 enum loongson_bridge_type {
 203         LS7A = 1,
 204         RS780E = 2,
 205         VIRTUAL = 3
 206 };
 207
 208 extern struct efi_memory_map_loongson *loongson_memmap;
 209 extern struct loongson_system_configuration loongson_sysconf;
 210
 211 extern struct board_devices *eboard;
 212 extern struct interface_info *einter;
 213 extern struct loongson_special_attribute *especial;
 214
 215 extern u32 node_id_offset;
 216 extern void ls7a_early_config(void);
 217 extern void rs780e_early_config(void);
 218 extern void virtual_early_config(void);
 219
 220 #endif