1 /* 2 * LEFI (a UEFI-like interface for BIOS-Kernel boot parameters) data structures 3 * defined at arch/mips/include/asm/mach-loongson64/boot_param.h in Linux kernel 4 * 5 * Copyright (c) 2017-2020 Huacai Chen (chenhc@lemote.com) 6 * Copyright (c) 2017-2020 Jiaxun Yang <jiaxun.yang@flygoat.com> 7 * 8 * This program is free software: you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation, either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program. If not, see <https://www.gnu.org/licenses/>. 20 */ 21 22 #ifndef HW_MIPS_LOONGSON3_BOOTP_H 23 #define HW_MIPS_LOONGSON3_BOOTP_H 24 25 struct efi_memory_map_loongson { 26 uint16_t vers; /* version of efi_memory_map */ 27 uint32_t nr_map; /* number of memory_maps */ 28 uint32_t mem_freq; /* memory frequence */ 29 struct mem_map { 30 uint32_t node_id; /* node_id which memory attached to */ 31 uint32_t mem_type; /* system memory, pci memory, pci io, etc. */ 32 uint64_t mem_start; /* memory map start address */ 33 uint32_t mem_size; /* each memory_map size, not the total size */ 34 } map[128]; 35 } QEMU_PACKED; 36 37 enum loongson_cpu_type { 38 Legacy_2E = 0x0, 39 Legacy_2F = 0x1, 40 Legacy_3A = 0x2, 41 Legacy_3B = 0x3, 42 Legacy_1A = 0x4, 43 Legacy_1B = 0x5, 44 Legacy_2G = 0x6, 45 Legacy_2H = 0x7, 46 Loongson_1A = 0x100, 47 Loongson_1B = 0x101, 48 Loongson_2E = 0x200, 49 Loongson_2F = 0x201, 50 Loongson_2G = 0x202, 51 Loongson_2H = 0x203, 52 Loongson_3A = 0x300, 53 Loongson_3B = 0x301 54 }; 55 56 /* 57 * Capability and feature descriptor structure for MIPS CPU 58 */ 59 struct efi_cpuinfo_loongson { 60 uint16_t vers; /* version of efi_cpuinfo_loongson */ 61 uint32_t processor_id; /* PRID, e.g. 6305, 6306 */ 62 uint32_t cputype; /* Loongson_3A/3B, etc. */ 63 uint32_t total_node; /* num of total numa nodes */ 64 uint16_t cpu_startup_core_id; /* Boot core id */ 65 uint16_t reserved_cores_mask; 66 uint32_t cpu_clock_freq; /* cpu_clock */ 67 uint32_t nr_cpus; 68 char cpuname[64]; 69 } QEMU_PACKED; 70 71 #define MAX_UARTS 64 72 struct uart_device { 73 uint32_t iotype; 74 uint32_t uartclk; 75 uint32_t int_offset; 76 uint64_t uart_base; 77 } QEMU_PACKED; 78 79 #define MAX_SENSORS 64 80 #define SENSOR_TEMPER 0x00000001 81 #define SENSOR_VOLTAGE 0x00000002 82 #define SENSOR_FAN 0x00000004 83 struct sensor_device { 84 char name[32]; /* a formal name */ 85 char label[64]; /* a flexible description */ 86 uint32_t type; /* SENSOR_* */ 87 uint32_t id; /* instance id of a sensor-class */ 88 uint32_t fan_policy; /* step speed or constant speed */ 89 uint32_t fan_percent;/* only for constant speed policy */ 90 uint64_t base_addr; /* base address of device registers */ 91 } QEMU_PACKED; 92 93 struct system_loongson { 94 uint16_t vers; /* version of system_loongson */ 95 uint32_t ccnuma_smp; /* 0: no numa; 1: has numa */ 96 uint32_t sing_double_channel;/* 1: single; 2: double */ 97 uint32_t nr_uarts; 98 struct uart_device uarts[MAX_UARTS]; 99 uint32_t nr_sensors; 100 struct sensor_device sensors[MAX_SENSORS]; 101 char has_ec; 102 char ec_name[32]; 103 uint64_t ec_base_addr; 104 char has_tcm; 105 char tcm_name[32]; 106 uint64_t tcm_base_addr; 107 uint64_t workarounds; 108 uint64_t of_dtb_addr; /* NULL if not support */ 109 } QEMU_PACKED; 110 111 struct irq_source_routing_table { 112 uint16_t vers; 113 uint16_t size; 114 uint16_t rtr_bus; 115 uint16_t rtr_devfn; 116 uint32_t vendor; 117 uint32_t device; 118 uint32_t PIC_type; /* conform use HT or PCI to route to CPU-PIC */ 119 uint64_t ht_int_bit; /* 3A: 1<<24; 3B: 1<<16 */ 120 uint64_t ht_enable; /* irqs used in this PIC */ 121 uint32_t node_id; /* node id: 0x0-0; 0x1-1; 0x10-2; 0x11-3 */ 122 uint64_t pci_mem_start_addr; 123 uint64_t pci_mem_end_addr; 124 uint64_t pci_io_start_addr; 125 uint64_t pci_io_end_addr; 126 uint64_t pci_config_addr; 127 uint16_t dma_mask_bits; 128 uint16_t dma_noncoherent; 129 } QEMU_PACKED; 130 131 struct interface_info { 132 uint16_t vers; /* version of the specificition */ 133 uint16_t size; 134 uint8_t flag; 135 char description[64]; 136 } QEMU_PACKED; 137 138 #define MAX_RESOURCE_NUMBER 128 139 struct resource_loongson { 140 uint64_t start; /* resource start address */ 141 uint64_t end; /* resource end address */ 142 char name[64]; 143 uint32_t flags; 144 }; 145 146 struct archdev_data {}; /* arch specific additions */ 147 148 struct board_devices { 149 char name[64]; /* hold the device name */ 150 uint32_t num_resources; /* number of device_resource */ 151 /* for each device's resource */ 152 struct resource_loongson resource[MAX_RESOURCE_NUMBER]; 153 /* arch specific additions */ 154 struct archdev_data archdata; 155 }; 156 157 struct loongson_special_attribute { 158 uint16_t vers; /* version of this special */ 159 char special_name[64]; /* special_atribute_name */ 160 uint32_t loongson_special_type; /* type of special device */ 161 /* for each device's resource */ 162 struct resource_loongson resource[MAX_RESOURCE_NUMBER]; 163 }; 164 165 struct loongson_params { 166 uint64_t memory_offset; /* efi_memory_map_loongson struct offset */ 167 uint64_t cpu_offset; /* efi_cpuinfo_loongson struct offset */ 168 uint64_t system_offset; /* system_loongson struct offset */ 169 uint64_t irq_offset; /* irq_source_routing_table struct offset */ 170 uint64_t interface_offset; /* interface_info struct offset */ 171 uint64_t special_offset; /* loongson_special_attribute struct offset */ 172 uint64_t boarddev_table_offset; /* board_devices offset */ 173 }; 174 175 struct smbios_tables { 176 uint16_t vers; /* version of smbios */ 177 uint64_t vga_bios; /* vga_bios address */ 178 struct loongson_params lp; 179 }; 180 181 struct efi_reset_system_t { 182 uint64_t ResetCold; 183 uint64_t ResetWarm; 184 uint64_t ResetType; 185 uint64_t Shutdown; 186 uint64_t DoSuspend; /* NULL if not support */ 187 }; 188 189 struct efi_loongson { 190 uint64_t mps; /* MPS table */ 191 uint64_t acpi; /* ACPI table (IA64 ext 0.71) */ 192 uint64_t acpi20; /* ACPI table (ACPI 2.0) */ 193 struct smbios_tables smbios; /* SM BIOS table */ 194 uint64_t sal_systab; /* SAL system table */ 195 uint64_t boot_info; /* boot info table */ 196 }; 197 198 struct boot_params { 199 struct efi_loongson efi; 200 struct efi_reset_system_t reset_system; 201 }; 202 203 /* Overall MMIO & Memory layout */ 204 enum { 205 VIRT_LOWMEM, 206 VIRT_PM, 207 VIRT_FW_CFG, 208 VIRT_RTC, 209 VIRT_PCIE_PIO, 210 VIRT_PCIE_ECAM, 211 VIRT_BIOS_ROM, 212 VIRT_UART, 213 VIRT_LIOINTC, 214 VIRT_PCIE_MMIO, 215 VIRT_HIGHMEM 216 }; 217 218 /* Low MEM layout for QEMU kernel loader */ 219 enum { 220 LOADER_KERNEL, 221 LOADER_INITRD, 222 LOADER_CMDLINE 223 }; 224 225 /* BIOS ROM layout for QEMU kernel loader */ 226 enum { 227 LOADER_BOOTROM, 228 LOADER_PARAM, 229 }; 230 231 extern const MemMapEntry virt_memmap[]; 232 void init_loongson_params(struct loongson_params *lp, void *p, 233 uint64_t cpu_freq, uint64_t ram_size); 234 void init_reset_system(struct efi_reset_system_t *reset); 235 236 #endif 237