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

   1 #ifndef __ASM_MACH_LOONGSON_BOOT_PARAM_H_
   2 #define __ASM_MACH_LOONGSON_BOOT_PARAM_H_
   3
   4 #define SYSTEM_RAM_LOW          1
   5 #define SYSTEM_RAM_HIGH         2
   6 #define MEM_RESERVED            3
   7 #define PCI_IO                  4
   8 #define PCI_MEM                 5
   9 #define LOONGSON_CFG_REG        6
  10 #define VIDEO_ROM               7
  11 #define ADAPTER_ROM             8
  12 #define ACPI_TABLE              9
  13 #define MAX_MEMORY_TYPE         10
  14
  15 #define LOONGSON3_BOOT_MEM_MAP_MAX 128
  16 struct efi_memory_map_loongson {
  17         u16 vers;       /* version of efi_memory_map */
  18         u32 nr_map;     /* number of memory_maps */
  19         u32 mem_freq;   /* memory frequence */
  20         struct mem_map {
  21                 u32 node_id;    /* node_id which memory attached to */
  22                 u32 mem_type;   /* system memory, pci memory, pci io, etc. */
  23                 u64 mem_start;  /* memory map start address */
  24                 u32 mem_size;   /* each memory_map size, not the total size */
  25         } map[LOONGSON3_BOOT_MEM_MAP_MAX];
  26 } __packed;
  27
  28 enum loongson_cpu_type {
  29         Loongson_2E = 0,
  30         Loongson_2F = 1,
  31         Loongson_3A = 2,
  32         Loongson_3B = 3,
  33         Loongson_1A = 4,
  34         Loongson_1B = 5
  35 };
  36
  37 /*
  38  * Capability and feature descriptor structure for MIPS CPU
  39  */
  40 struct efi_cpuinfo_loongson {
  41         u16 vers;     /* version of efi_cpuinfo_loongson */
  42         u32 processor_id; /* PRID, e.g. 6305, 6306 */
  43         u32 cputype;  /* Loongson_3A/3B, etc. */
  44         u32 total_node;   /* num of total numa nodes */
  45         u32 cpu_startup_core_id; /* Core id */
  46         u32 cpu_clock_freq; /* cpu_clock */
  47         u32 nr_cpus;
  48 } __packed;
  49
  50 struct system_loongson {
  51         u16 vers;     /* version of system_loongson */
  52         u32 ccnuma_smp; /* 0: no numa; 1: has numa */
  53         u32 sing_double_channel; /* 1:single; 2:double */
  54 } __packed;
  55
  56 struct irq_source_routing_table {
  57         u16 vers;
  58         u16 size;
  59         u16 rtr_bus;
  60         u16 rtr_devfn;
  61         u32 vendor;
  62         u32 device;
  63         u32 PIC_type;   /* conform use HT or PCI to route to CPU-PIC */
  64         u64 ht_int_bit; /* 3A: 1<<24; 3B: 1<<16 */
  65         u64 ht_enable;  /* irqs used in this PIC */
  66         u32 node_id;    /* node id: 0x0-0; 0x1-1; 0x10-2; 0x11-3 */
  67         u64 pci_mem_start_addr;
  68         u64 pci_mem_end_addr;
  69         u64 pci_io_start_addr;
  70         u64 pci_io_end_addr;
  71         u64 pci_config_addr;
  72         u32 dma_mask_bits;
  73 } __packed;
  74
  75 struct interface_info {
  76         u16 vers; /* version of the specificition */
  77         u16 size;
  78         u8  flag;
  79         char description[64];
  80 } __packed;
  81
  82 #define MAX_RESOURCE_NUMBER 128
  83 struct resource_loongson {
  84         u64 start; /* resource start address */
  85         u64 end;   /* resource end address */
  86         char name[64];
  87         u32 flags;
  88 };
  89
  90 struct archdev_data {};  /* arch specific additions */
  91
  92 struct board_devices {
  93         char name[64];    /* hold the device name */
  94         u32 num_resources; /* number of device_resource */
  95         /* for each device's resource */
  96         struct resource_loongson resource[MAX_RESOURCE_NUMBER];
  97         /* arch specific additions */
  98         struct archdev_data archdata;
  99 };
 100
 101 struct loongson_special_attribute {
 102         u16 vers;     /* version of this special */
 103         char special_name[64]; /* special_atribute_name */
 104         u32 loongson_special_type; /* type of special device */
 105         /* for each device's resource */
 106         struct resource_loongson resource[MAX_RESOURCE_NUMBER];
 107 };
 108
 109 struct loongson_params {
 110         u64 memory_offset;      /* efi_memory_map_loongson struct offset */
 111         u64 cpu_offset;         /* efi_cpuinfo_loongson struct offset */
 112         u64 system_offset;      /* system_loongson struct offset */
 113         u64 irq_offset;         /* irq_source_routing_table struct offset */
 114         u64 interface_offset;   /* interface_info struct offset */
 115         u64 special_offset;     /* loongson_special_attribute struct offset */
 116         u64 boarddev_table_offset;  /* board_devices offset */
 117 };
 118
 119 struct smbios_tables {
 120         u16 vers;     /* version of smbios */
 121         u64 vga_bios; /* vga_bios address */
 122         struct loongson_params lp;
 123 };
 124
 125 struct efi_reset_system_t {
 126         u64 ResetCold;
 127         u64 ResetWarm;
 128         u64 ResetType;
 129         u64 Shutdown;
 130         u64 DoSuspend; /* NULL if not support */
 131 };
 132
 133 struct efi_loongson {
 134         u64 mps;        /* MPS table */
 135         u64 acpi;       /* ACPI table (IA64 ext 0.71) */
 136         u64 acpi20;     /* ACPI table (ACPI 2.0) */
 137         struct smbios_tables smbios;    /* SM BIOS table */
 138         u64 sal_systab; /* SAL system table */
 139         u64 boot_info;  /* boot info table */
 140 };
 141
 142 struct boot_params {
 143         struct efi_loongson efi;
 144         struct efi_reset_system_t reset_system;
 145 };
 146
 147 struct loongson_system_configuration {
 148         u32 nr_cpus;
 149         u32 nr_nodes;
 150         int cores_per_node;
 151         int cores_per_package;
 152         enum loongson_cpu_type cputype;
 153         u64 ht_control_base;
 154         u64 pci_mem_start_addr;
 155         u64 pci_mem_end_addr;
 156         u64 pci_io_base;
 157         u64 restart_addr;
 158         u64 poweroff_addr;
 159         u64 suspend_addr;
 160         u64 vgabios_addr;
 161         u32 dma_mask_bits;
 162 };
 163
 164 extern struct efi_memory_map_loongson *loongson_memmap;
 165 extern struct loongson_system_configuration loongson_sysconf;
 166 #endif