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 extern struct efi_memory_map_loongson *loongson_memmap; 202 extern struct loongson_system_configuration loongson_sysconf; 203 204 extern struct board_devices *eboard; 205 extern struct interface_info *einter; 206 extern struct loongson_special_attribute *especial; 207 208 extern u32 node_id_offset; 209 extern void ls7a_early_config(void); 210 extern void rs780e_early_config(void); 211 extern void virtual_early_config(void); 212 213 #endif 214