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 #define SYSTEM_RAM_LOW 1 6 #define SYSTEM_RAM_HIGH 2 7 #define SYSTEM_RAM_RESERVED 3 8 #define PCI_IO 4 9 #define PCI_MEM 5 10 #define LOONGSON_CFG_REG 6 11 #define VIDEO_ROM 7 12 #define ADAPTER_ROM 8 13 #define ACPI_TABLE 9 14 #define SMBIOS_TABLE 10 15 #define MAX_MEMORY_TYPE 11 16 17 #define LOONGSON3_BOOT_MEM_MAP_MAX 128 18 struct efi_memory_map_loongson { 19 u16 vers; /* version of efi_memory_map */ 20 u32 nr_map; /* number of memory_maps */ 21 u32 mem_freq; /* memory frequence */ 22 struct mem_map { 23 u32 node_id; /* node_id which memory attached to */ 24 u32 mem_type; /* system memory, pci memory, pci io, etc. */ 25 u64 mem_start; /* memory map start address */ 26 u32 mem_size; /* each memory_map size, not the total size */ 27 } map[LOONGSON3_BOOT_MEM_MAP_MAX]; 28 } __packed; 29 30 enum loongson_cpu_type { 31 Legacy_2E = 0x0, 32 Legacy_2F = 0x1, 33 Legacy_3A = 0x2, 34 Legacy_3B = 0x3, 35 Legacy_1A = 0x4, 36 Legacy_1B = 0x5, 37 Legacy_2G = 0x6, 38 Legacy_2H = 0x7, 39 Loongson_1A = 0x100, 40 Loongson_1B = 0x101, 41 Loongson_2E = 0x200, 42 Loongson_2F = 0x201, 43 Loongson_2G = 0x202, 44 Loongson_2H = 0x203, 45 Loongson_3A = 0x300, 46 Loongson_3B = 0x301 47 }; 48 49 /* 50 * Capability and feature descriptor structure for MIPS CPU 51 */ 52 struct efi_cpuinfo_loongson { 53 u16 vers; /* version of efi_cpuinfo_loongson */ 54 u32 processor_id; /* PRID, e.g. 6305, 6306 */ 55 u32 cputype; /* Loongson_3A/3B, etc. */ 56 u32 total_node; /* num of total numa nodes */ 57 u16 cpu_startup_core_id; /* Boot core id */ 58 u16 reserved_cores_mask; 59 u32 cpu_clock_freq; /* cpu_clock */ 60 u32 nr_cpus; 61 } __packed; 62 63 #define MAX_UARTS 64 64 struct uart_device { 65 u32 iotype; /* see include/linux/serial_core.h */ 66 u32 uartclk; 67 u32 int_offset; 68 u64 uart_base; 69 } __packed; 70 71 #define MAX_SENSORS 64 72 #define SENSOR_TEMPER 0x00000001 73 #define SENSOR_VOLTAGE 0x00000002 74 #define SENSOR_FAN 0x00000004 75 struct sensor_device { 76 char name[32]; /* a formal name */ 77 char label[64]; /* a flexible description */ 78 u32 type; /* SENSOR_* */ 79 u32 id; /* instance id of a sensor-class */ 80 u32 fan_policy; /* see loongson_hwmon.h */ 81 u32 fan_percent;/* only for constant speed policy */ 82 u64 base_addr; /* base address of device registers */ 83 } __packed; 84 85 struct system_loongson { 86 u16 vers; /* version of system_loongson */ 87 u32 ccnuma_smp; /* 0: no numa; 1: has numa */ 88 u32 sing_double_channel; /* 1:single; 2:double */ 89 u32 nr_uarts; 90 struct uart_device uarts[MAX_UARTS]; 91 u32 nr_sensors; 92 struct sensor_device sensors[MAX_SENSORS]; 93 char has_ec; 94 char ec_name[32]; 95 u64 ec_base_addr; 96 char has_tcm; 97 char tcm_name[32]; 98 u64 tcm_base_addr; 99 u64 workarounds; /* see workarounds.h */ 100 } __packed; 101 102 struct irq_source_routing_table { 103 u16 vers; 104 u16 size; 105 u16 rtr_bus; 106 u16 rtr_devfn; 107 u32 vendor; 108 u32 device; 109 u32 PIC_type; /* conform use HT or PCI to route to CPU-PIC */ 110 u64 ht_int_bit; /* 3A: 1<<24; 3B: 1<<16 */ 111 u64 ht_enable; /* irqs used in this PIC */ 112 u32 node_id; /* node id: 0x0-0; 0x1-1; 0x10-2; 0x11-3 */ 113 u64 pci_mem_start_addr; 114 u64 pci_mem_end_addr; 115 u64 pci_io_start_addr; 116 u64 pci_io_end_addr; 117 u64 pci_config_addr; 118 u32 dma_mask_bits; 119 } __packed; 120 121 struct interface_info { 122 u16 vers; /* version of the specificition */ 123 u16 size; 124 u8 flag; 125 char description[64]; 126 } __packed; 127 128 #define MAX_RESOURCE_NUMBER 128 129 struct resource_loongson { 130 u64 start; /* resource start address */ 131 u64 end; /* resource end address */ 132 char name[64]; 133 u32 flags; 134 }; 135 136 struct archdev_data {}; /* arch specific additions */ 137 138 struct board_devices { 139 char name[64]; /* hold the device name */ 140 u32 num_resources; /* number of device_resource */ 141 /* for each device's resource */ 142 struct resource_loongson resource[MAX_RESOURCE_NUMBER]; 143 /* arch specific additions */ 144 struct archdev_data archdata; 145 }; 146 147 struct loongson_special_attribute { 148 u16 vers; /* version of this special */ 149 char special_name[64]; /* special_atribute_name */ 150 u32 loongson_special_type; /* type of special device */ 151 /* for each device's resource */ 152 struct resource_loongson resource[MAX_RESOURCE_NUMBER]; 153 }; 154 155 struct loongson_params { 156 u64 memory_offset; /* efi_memory_map_loongson struct offset */ 157 u64 cpu_offset; /* efi_cpuinfo_loongson struct offset */ 158 u64 system_offset; /* system_loongson struct offset */ 159 u64 irq_offset; /* irq_source_routing_table struct offset */ 160 u64 interface_offset; /* interface_info struct offset */ 161 u64 special_offset; /* loongson_special_attribute struct offset */ 162 u64 boarddev_table_offset; /* board_devices offset */ 163 }; 164 165 struct smbios_tables { 166 u16 vers; /* version of smbios */ 167 u64 vga_bios; /* vga_bios address */ 168 struct loongson_params lp; 169 }; 170 171 struct efi_reset_system_t { 172 u64 ResetCold; 173 u64 ResetWarm; 174 u64 ResetType; 175 u64 Shutdown; 176 u64 DoSuspend; /* NULL if not support */ 177 }; 178 179 struct efi_loongson { 180 u64 mps; /* MPS table */ 181 u64 acpi; /* ACPI table (IA64 ext 0.71) */ 182 u64 acpi20; /* ACPI table (ACPI 2.0) */ 183 struct smbios_tables smbios; /* SM BIOS table */ 184 u64 sal_systab; /* SAL system table */ 185 u64 boot_info; /* boot info table */ 186 }; 187 188 struct boot_params { 189 struct efi_loongson efi; 190 struct efi_reset_system_t reset_system; 191 }; 192 193 struct loongson_system_configuration { 194 u32 nr_cpus; 195 u32 nr_nodes; 196 int cores_per_node; 197 int cores_per_package; 198 u16 boot_cpu_id; 199 u16 reserved_cpus_mask; 200 enum loongson_cpu_type cputype; 201 u64 ht_control_base; 202 u64 pci_mem_start_addr; 203 u64 pci_mem_end_addr; 204 u64 pci_io_base; 205 u64 restart_addr; 206 u64 poweroff_addr; 207 u64 suspend_addr; 208 u64 vgabios_addr; 209 u32 dma_mask_bits; 210 char ecname[32]; 211 u32 nr_uarts; 212 struct uart_device uarts[MAX_UARTS]; 213 u32 nr_sensors; 214 struct sensor_device sensors[MAX_SENSORS]; 215 u64 workarounds; 216 }; 217 218 extern struct efi_memory_map_loongson *loongson_memmap; 219 extern struct loongson_system_configuration loongson_sysconf; 220 221 #endif 222