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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_MACH_LOONGSON64_BOOT_PARAM_H_
#define __ASM_MACH_LOONGSON64_BOOT_PARAM_H_
#include <linux/types.h>
#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 UMA_VIDEO_RAM 11
#define VUMA_VIDEO_RAM 12
#define MAX_MEMORY_TYPE 13
#define MEM_SIZE_IS_IN_BYTES (1 << 31)
#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,
Legacy_2K = 0x8,
Loongson_1A = 0x100,
Loongson_1B = 0x101,
Loongson_2E = 0x200,
Loongson_2F = 0x201,
Loongson_2G = 0x202,
Loongson_2H = 0x203,
Loongson_2K = 0x204,
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;
u16 dma_mask_bits;
u16 dma_noncoherent;
} __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
};
extern struct efi_memory_map_loongson *loongson_memmap;
extern struct loongson_system_configuration loongson_sysconf;
extern struct board_devices *eboard;
extern struct interface_info *einter;
extern struct loongson_special_attribute *especial;
extern u32 node_id_offset;
extern void ls7a_early_config(void);
extern void rs780e_early_config(void);
extern void virtual_early_config(void);
#endif