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