/*
* 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,
};
struct MemmapEntry {
hwaddr base;
hwaddr size;
};
extern const struct 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
