hw/mips/loongson3_bootp.h - third_party/qemu - Git at Google

 /*
  * 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 <jiaxun.yang@flygoat.com>
  *
  * 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 <https://www.gnu.org/licenses/>.
  */

 #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 frequence */
     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_atribute_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
	/*
	* 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 <jiaxun.yang@flygoat.com>
	*
	* 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 <https://www.gnu.org/licenses/>.
	*/

	#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 frequence */
	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_atribute_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