1#ifndef __ASM_MACH_LOONGSON_BOOT_PARAM_H_
  2#define __ASM_MACH_LOONGSON_BOOT_PARAM_H_
  3
  4#define SYSTEM_RAM_LOW		1
  5#define SYSTEM_RAM_HIGH		2
  6#define MEM_RESERVED		3
  7#define PCI_IO			4
  8#define PCI_MEM			5
  9#define LOONGSON_CFG_REG	6
 10#define VIDEO_ROM		7
 11#define ADAPTER_ROM		8
 12#define ACPI_TABLE		9
 13#define MAX_MEMORY_TYPE		10
 14
 15#define LOONGSON3_BOOT_MEM_MAP_MAX 128
 16struct efi_memory_map_loongson {
 17	u16 vers;	/* version of efi_memory_map */
 18	u32 nr_map;	/* number of memory_maps */
 19	u32 mem_freq;	/* memory frequence */
 20	struct mem_map {
 21		u32 node_id;	/* node_id which memory attached to */
 22		u32 mem_type;	/* system memory, pci memory, pci io, etc. */
 23		u64 mem_start;	/* memory map start address */
 24		u32 mem_size;	/* each memory_map size, not the total size */
 25	} map[LOONGSON3_BOOT_MEM_MAP_MAX];
 26} __packed;
 27
 28enum loongson_cpu_type {
 29	Loongson_2E = 0,
 30	Loongson_2F = 1,
 31	Loongson_3A = 2,
 32	Loongson_3B = 3,
 33	Loongson_1A = 4,
 34	Loongson_1B = 5
 35};
 36
 37/*
 38 * Capability and feature descriptor structure for MIPS CPU
 39 */
 40struct efi_cpuinfo_loongson {
 41	u16 vers;     /* version of efi_cpuinfo_loongson */
 42	u32 processor_id; /* PRID, e.g. 6305, 6306 */
 43	u32 cputype;  /* Loongson_3A/3B, etc. */
 44	u32 total_node;   /* num of total numa nodes */
 45	u32 cpu_startup_core_id; /* Core id */
 46	u32 cpu_clock_freq; /* cpu_clock */
 47	u32 nr_cpus;
 48} __packed;
 49
 50struct system_loongson {
 51	u16 vers;     /* version of system_loongson */
 52	u32 ccnuma_smp; /* 0: no numa; 1: has numa */
 53	u32 sing_double_channel; /* 1:single; 2:double */
 54} __packed;
 55
 56struct irq_source_routing_table {
 57	u16 vers;
 58	u16 size;
 59	u16 rtr_bus;
 60	u16 rtr_devfn;
 61	u32 vendor;
 62	u32 device;
 63	u32 PIC_type;   /* conform use HT or PCI to route to CPU-PIC */
 64	u64 ht_int_bit; /* 3A: 1<<24; 3B: 1<<16 */
 65	u64 ht_enable;  /* irqs used in this PIC */
 66	u32 node_id;    /* node id: 0x0-0; 0x1-1; 0x10-2; 0x11-3 */
 67	u64 pci_mem_start_addr;
 68	u64 pci_mem_end_addr;
 69	u64 pci_io_start_addr;
 70	u64 pci_io_end_addr;
 71	u64 pci_config_addr;
 72	u32 dma_mask_bits;
 73} __packed;
 74
 75struct interface_info {
 76	u16 vers; /* version of the specificition */
 77	u16 size;
 78	u8  flag;
 79	char description[64];
 80} __packed;
 81
 82#define MAX_RESOURCE_NUMBER 128
 83struct resource_loongson {
 84	u64 start; /* resource start address */
 85	u64 end;   /* resource end address */
 86	char name[64];
 87	u32 flags;
 88};
 89
 90struct archdev_data {};  /* arch specific additions */
 91
 92struct board_devices {
 93	char name[64];    /* hold the device name */
 94	u32 num_resources; /* number of device_resource */
 95	/* for each device's resource */
 96	struct resource_loongson resource[MAX_RESOURCE_NUMBER];
 97	/* arch specific additions */
 98	struct archdev_data archdata;
 99};
100
101struct loongson_special_attribute {
102	u16 vers;     /* version of this special */
103	char special_name[64]; /* special_atribute_name */
104	u32 loongson_special_type; /* type of special device */
105	/* for each device's resource */
106	struct resource_loongson resource[MAX_RESOURCE_NUMBER];
107};
108
109struct loongson_params {
110	u64 memory_offset;	/* efi_memory_map_loongson struct offset */
111	u64 cpu_offset;		/* efi_cpuinfo_loongson struct offset */
112	u64 system_offset;	/* system_loongson struct offset */
113	u64 irq_offset;		/* irq_source_routing_table struct offset */
114	u64 interface_offset;	/* interface_info struct offset */
115	u64 special_offset;	/* loongson_special_attribute struct offset */
116	u64 boarddev_table_offset;  /* board_devices offset */
117};
118
119struct smbios_tables {
120	u16 vers;     /* version of smbios */
121	u64 vga_bios; /* vga_bios address */
122	struct loongson_params lp;
123};
124
125struct efi_reset_system_t {
126	u64 ResetCold;
127	u64 ResetWarm;
128	u64 ResetType;
129	u64 Shutdown;
130	u64 DoSuspend; /* NULL if not support */
131};
132
133struct efi_loongson {
134	u64 mps;	/* MPS table */
135	u64 acpi;	/* ACPI table (IA64 ext 0.71) */
136	u64 acpi20;	/* ACPI table (ACPI 2.0) */
137	struct smbios_tables smbios;	/* SM BIOS table */
138	u64 sal_systab;	/* SAL system table */
139	u64 boot_info;	/* boot info table */
140};
141
142struct boot_params {
143	struct efi_loongson efi;
144	struct efi_reset_system_t reset_system;
145};
146
147struct loongson_system_configuration {
148	u32 nr_cpus;
149	enum loongson_cpu_type cputype;
150	u64 ht_control_base;
151	u64 pci_mem_start_addr;
152	u64 pci_mem_end_addr;
153	u64 pci_io_base;
154	u64 restart_addr;
155	u64 poweroff_addr;
156	u64 suspend_addr;
157	u64 vgabios_addr;
158	u32 dma_mask_bits;
159};
160
161extern struct efi_memory_map_loongson *loongson_memmap;
162extern struct loongson_system_configuration loongson_sysconf;
163#endif