/* * LEFI (a UEFI-like interface for BIOS-Kernel boot parameters) data structures * defined at arch/mips/include/asm/mach-loongson64/boot_param.h in Linux kernel * * Copyright (c) 2017-2020 Huacai Chen (chenhc@lemote.com) * Copyright (c) 2017-2020 Jiaxun Yang * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #ifndef HW_MIPS_LOONGSON3_BOOTP_H #define HW_MIPS_LOONGSON3_BOOTP_H struct efi_memory_map_loongson { uint16_t vers; /* version of efi_memory_map */ uint32_t nr_map; /* number of memory_maps */ uint32_t mem_freq; /* memory frequency */ struct mem_map { uint32_t node_id; /* node_id which memory attached to */ uint32_t mem_type; /* system memory, pci memory, pci io, etc. */ uint64_t mem_start; /* memory map start address */ uint32_t mem_size; /* each memory_map size, not the total size */ } map[128]; } QEMU_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 { uint16_t vers; /* version of efi_cpuinfo_loongson */ uint32_t processor_id; /* PRID, e.g. 6305, 6306 */ uint32_t cputype; /* Loongson_3A/3B, etc. */ uint32_t total_node; /* num of total numa nodes */ uint16_t cpu_startup_core_id; /* Boot core id */ uint16_t reserved_cores_mask; uint32_t cpu_clock_freq; /* cpu_clock */ uint32_t nr_cpus; char cpuname[64]; } QEMU_PACKED; #define MAX_UARTS 64 struct uart_device { uint32_t iotype; uint32_t uartclk; uint32_t int_offset; uint64_t uart_base; } QEMU_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 */ uint32_t type; /* SENSOR_* */ uint32_t id; /* instance id of a sensor-class */ uint32_t fan_policy; /* step speed or constant speed */ uint32_t fan_percent;/* only for constant speed policy */ uint64_t base_addr; /* base address of device registers */ } QEMU_PACKED; struct system_loongson { uint16_t vers; /* version of system_loongson */ uint32_t ccnuma_smp; /* 0: no numa; 1: has numa */ uint32_t sing_double_channel;/* 1: single; 2: double */ uint32_t nr_uarts; struct uart_device uarts[MAX_UARTS]; uint32_t nr_sensors; struct sensor_device sensors[MAX_SENSORS]; char has_ec; char ec_name[32]; uint64_t ec_base_addr; char has_tcm; char tcm_name[32]; uint64_t tcm_base_addr; uint64_t workarounds; uint64_t of_dtb_addr; /* NULL if not support */ } QEMU_PACKED; struct irq_source_routing_table { uint16_t vers; uint16_t size; uint16_t rtr_bus; uint16_t rtr_devfn; uint32_t vendor; uint32_t device; uint32_t PIC_type; /* conform use HT or PCI to route to CPU-PIC */ uint64_t ht_int_bit; /* 3A: 1<<24; 3B: 1<<16 */ uint64_t ht_enable; /* irqs used in this PIC */ uint32_t node_id; /* node id: 0x0-0; 0x1-1; 0x10-2; 0x11-3 */ uint64_t pci_mem_start_addr; uint64_t pci_mem_end_addr; uint64_t pci_io_start_addr; uint64_t pci_io_end_addr; uint64_t pci_config_addr; uint16_t dma_mask_bits; uint16_t dma_noncoherent; } QEMU_PACKED; struct interface_info { uint16_t vers; /* version of the specificition */ uint16_t size; uint8_t flag; char description[64]; } QEMU_PACKED; #define MAX_RESOURCE_NUMBER 128 struct resource_loongson { uint64_t start; /* resource start address */ uint64_t end; /* resource end address */ char name[64]; uint32_t flags; }; struct archdev_data {}; /* arch specific additions */ struct board_devices { char name[64]; /* hold the device name */ uint32_t 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 { uint16_t vers; /* version of this special */ char special_name[64]; /* special_attribute_name */ uint32_t loongson_special_type; /* type of special device */ /* for each device's resource */ struct resource_loongson resource[MAX_RESOURCE_NUMBER]; }; struct loongson_params { uint64_t memory_offset; /* efi_memory_map_loongson struct offset */ uint64_t cpu_offset; /* efi_cpuinfo_loongson struct offset */ uint64_t system_offset; /* system_loongson struct offset */ uint64_t irq_offset; /* irq_source_routing_table struct offset */ uint64_t interface_offset; /* interface_info struct offset */ uint64_t special_offset; /* loongson_special_attribute struct offset */ uint64_t boarddev_table_offset; /* board_devices offset */ }; struct smbios_tables { uint16_t vers; /* version of smbios */ uint64_t vga_bios; /* vga_bios address */ struct loongson_params lp; }; struct efi_reset_system_t { uint64_t ResetCold; uint64_t ResetWarm; uint64_t ResetType; uint64_t Shutdown; uint64_t DoSuspend; /* NULL if not support */ }; struct efi_loongson { uint64_t mps; /* MPS table */ uint64_t acpi; /* ACPI table (IA64 ext 0.71) */ uint64_t acpi20; /* ACPI table (ACPI 2.0) */ struct smbios_tables smbios; /* SM BIOS table */ uint64_t sal_systab; /* SAL system table */ uint64_t boot_info; /* boot info table */ }; struct boot_params { struct efi_loongson efi; struct efi_reset_system_t reset_system; }; /* Overall MMIO & Memory layout */ enum { VIRT_LOWMEM, VIRT_PM, VIRT_FW_CFG, VIRT_RTC, VIRT_PCIE_PIO, VIRT_PCIE_ECAM, VIRT_BIOS_ROM, VIRT_UART, VIRT_LIOINTC, VIRT_PCIE_MMIO, VIRT_HIGHMEM }; /* Low MEM layout for QEMU kernel loader */ enum { LOADER_KERNEL, LOADER_INITRD, LOADER_CMDLINE }; /* BIOS ROM layout for QEMU kernel loader */ enum { LOADER_BOOTROM, LOADER_PARAM, }; extern const MemMapEntry virt_memmap[]; void init_loongson_params(struct loongson_params *lp, void *p, uint64_t cpu_freq, uint64_t ram_size); void init_reset_system(struct efi_reset_system_t *reset); #endif