/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_MACH_LOONGSON64_BOOT_PARAM_H_ #define __ASM_MACH_LOONGSON64_BOOT_PARAM_H_ #include #define SYSTEM_RAM_LOW 1 #define SYSTEM_RAM_HIGH 2 #define SYSTEM_RAM_RESERVED 3 #define PCI_IO 4 #define PCI_MEM 5 #define LOONGSON_CFG_REG 6 #define VIDEO_ROM 7 #define ADAPTER_ROM 8 #define ACPI_TABLE 9 #define SMBIOS_TABLE 10 #define MAX_MEMORY_TYPE 11 #define LOONGSON3_BOOT_MEM_MAP_MAX 128 struct efi_memory_map_loongson { u16 vers; /* version of efi_memory_map */ u32 nr_map; /* number of memory_maps */ u32 mem_freq; /* memory frequence */ struct mem_map { u32 node_id; /* node_id which memory attached to */ u32 mem_type; /* system memory, pci memory, pci io, etc. */ u64 mem_start; /* memory map start address */ u32 mem_size; /* each memory_map size, not the total size */ } map[LOONGSON3_BOOT_MEM_MAP_MAX]; } __packed; enum loongson_cpu_type { Legacy_2E = 0x0, Legacy_2F = 0x1, Legacy_3A = 0x2, Legacy_3B = 0x3, Legacy_1A = 0x4, Legacy_1B = 0x5, Legacy_2G = 0x6, Legacy_2H = 0x7, Loongson_1A = 0x100, Loongson_1B = 0x101, Loongson_2E = 0x200, Loongson_2F = 0x201, Loongson_2G = 0x202, Loongson_2H = 0x203, Loongson_3A = 0x300, Loongson_3B = 0x301 }; /* * Capability and feature descriptor structure for MIPS CPU */ struct efi_cpuinfo_loongson { u16 vers; /* version of efi_cpuinfo_loongson */ u32 processor_id; /* PRID, e.g. 6305, 6306 */ u32 cputype; /* Loongson_3A/3B, etc. */ u32 total_node; /* num of total numa nodes */ u16 cpu_startup_core_id; /* Boot core id */ u16 reserved_cores_mask; u32 cpu_clock_freq; /* cpu_clock */ u32 nr_cpus; } __packed; #define MAX_UARTS 64 struct uart_device { u32 iotype; /* see include/linux/serial_core.h */ u32 uartclk; u32 int_offset; u64 uart_base; } __packed; #define MAX_SENSORS 64 #define SENSOR_TEMPER 0x00000001 #define SENSOR_VOLTAGE 0x00000002 #define SENSOR_FAN 0x00000004 struct sensor_device { char name[32]; /* a formal name */ char label[64]; /* a flexible description */ u32 type; /* SENSOR_* */ u32 id; /* instance id of a sensor-class */ u32 fan_policy; /* see loongson_hwmon.h */ u32 fan_percent;/* only for constant speed policy */ u64 base_addr; /* base address of device registers */ } __packed; struct system_loongson { u16 vers; /* version of system_loongson */ u32 ccnuma_smp; /* 0: no numa; 1: has numa */ u32 sing_double_channel; /* 1:single; 2:double */ u32 nr_uarts; struct uart_device uarts[MAX_UARTS]; u32 nr_sensors; struct sensor_device sensors[MAX_SENSORS]; char has_ec; char ec_name[32]; u64 ec_base_addr; char has_tcm; char tcm_name[32]; u64 tcm_base_addr; u64 workarounds; /* see workarounds.h */ } __packed; struct irq_source_routing_table { u16 vers; u16 size; u16 rtr_bus; u16 rtr_devfn; u32 vendor; u32 device; u32 PIC_type; /* conform use HT or PCI to route to CPU-PIC */ u64 ht_int_bit; /* 3A: 1<<24; 3B: 1<<16 */ u64 ht_enable; /* irqs used in this PIC */ u32 node_id; /* node id: 0x0-0; 0x1-1; 0x10-2; 0x11-3 */ u64 pci_mem_start_addr; u64 pci_mem_end_addr; u64 pci_io_start_addr; u64 pci_io_end_addr; u64 pci_config_addr; u32 dma_mask_bits; } __packed; struct interface_info { u16 vers; /* version of the specificition */ u16 size; u8 flag; char description[64]; } __packed; #define MAX_RESOURCE_NUMBER 128 struct resource_loongson { u64 start; /* resource start address */ u64 end; /* resource end address */ char name[64]; u32 flags; }; struct archdev_data {}; /* arch specific additions */ struct board_devices { char name[64]; /* hold the device name */ u32 num_resources; /* number of device_resource */ /* for each device's resource */ struct resource_loongson resource[MAX_RESOURCE_NUMBER]; /* arch specific additions */ struct archdev_data archdata; }; struct loongson_special_attribute { u16 vers; /* version of this special */ char special_name[64]; /* special_atribute_name */ u32 loongson_special_type; /* type of special device */ /* for each device's resource */ struct resource_loongson resource[MAX_RESOURCE_NUMBER]; }; struct loongson_params { u64 memory_offset; /* efi_memory_map_loongson struct offset */ u64 cpu_offset; /* efi_cpuinfo_loongson struct offset */ u64 system_offset; /* system_loongson struct offset */ u64 irq_offset; /* irq_source_routing_table struct offset */ u64 interface_offset; /* interface_info struct offset */ u64 special_offset; /* loongson_special_attribute struct offset */ u64 boarddev_table_offset; /* board_devices offset */ }; struct smbios_tables { u16 vers; /* version of smbios */ u64 vga_bios; /* vga_bios address */ struct loongson_params lp; }; struct efi_reset_system_t { u64 ResetCold; u64 ResetWarm; u64 ResetType; u64 Shutdown; u64 DoSuspend; /* NULL if not support */ }; struct efi_loongson { u64 mps; /* MPS table */ u64 acpi; /* ACPI table (IA64 ext 0.71) */ u64 acpi20; /* ACPI table (ACPI 2.0) */ struct smbios_tables smbios; /* SM BIOS table */ u64 sal_systab; /* SAL system table */ u64 boot_info; /* boot info table */ }; struct boot_params { struct efi_loongson efi; struct efi_reset_system_t reset_system; }; enum loongson_bridge_type { LS7A = 1, RS780E = 2, VIRTUAL = 3 }; struct loongson_system_configuration { u32 nr_cpus; u32 nr_nodes; int cores_per_node; int cores_per_package; u16 boot_cpu_id; u16 reserved_cpus_mask; enum loongson_cpu_type cputype; enum loongson_bridge_type bridgetype; u64 ht_control_base; u64 pci_mem_start_addr; u64 pci_mem_end_addr; u64 pci_io_base; u64 restart_addr; u64 poweroff_addr; u64 suspend_addr; u64 vgabios_addr; u32 dma_mask_bits; char ecname[32]; u32 nr_uarts; struct uart_device uarts[MAX_UARTS]; u32 nr_sensors; struct sensor_device sensors[MAX_SENSORS]; u64 workarounds; void (*early_config)(void); }; extern struct efi_memory_map_loongson *loongson_memmap; extern struct loongson_system_configuration loongson_sysconf; extern u32 node_id_offset; extern void ls7a_early_config(void); extern void rs780e_early_config(void); extern void virtual_early_config(void); #endif