1 /*
2 * LEFI (a UEFI-like interface for BIOS-Kernel boot parameters) helpers
3 *
4 * Copyright (c) 2018-2020 Huacai Chen (chenhc@lemote.com)
5 * Copyright (c) 2018-2020 Jiaxun Yang <jiaxun.yang@flygoat.com>
6 *
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
19 */
20
21 #include "qemu/osdep.h"
22 #include "qemu/units.h"
23 #include "qemu/cutils.h"
24 #include "cpu.h"
25 #include "hw/boards.h"
26 #include "hw/mips/loongson3_bootp.h"
27
init_cpu_info(void * g_cpuinfo,uint64_t cpu_freq)28 static void init_cpu_info(void *g_cpuinfo, uint64_t cpu_freq)
29 {
30 struct efi_cpuinfo_loongson *c = g_cpuinfo;
31
32 c->cputype = cpu_to_le32(Loongson_3A);
33 c->processor_id = cpu_to_le32(MIPS_CPU(first_cpu)->env.CP0_PRid);
34 if (cpu_freq > UINT_MAX) {
35 c->cpu_clock_freq = cpu_to_le32(UINT_MAX);
36 } else {
37 c->cpu_clock_freq = cpu_to_le32(cpu_freq);
38 }
39
40 c->cpu_startup_core_id = cpu_to_le16(0);
41 c->nr_cpus = cpu_to_le32(current_machine->smp.cpus);
42 c->total_node = cpu_to_le32(DIV_ROUND_UP(current_machine->smp.cpus,
43 LOONGSON3_CORE_PER_NODE));
44 }
45
init_memory_map(void * g_map,uint64_t ram_size)46 static void init_memory_map(void *g_map, uint64_t ram_size)
47 {
48 struct efi_memory_map_loongson *emap = g_map;
49
50 emap->nr_map = cpu_to_le32(2);
51 emap->mem_freq = cpu_to_le32(300000000);
52
53 emap->map[0].node_id = cpu_to_le32(0);
54 emap->map[0].mem_type = cpu_to_le32(1);
55 emap->map[0].mem_start = cpu_to_le64(0x0);
56 emap->map[0].mem_size = cpu_to_le32(240);
57
58 emap->map[1].node_id = cpu_to_le32(0);
59 emap->map[1].mem_type = cpu_to_le32(2);
60 emap->map[1].mem_start = cpu_to_le64(0x90000000);
61 emap->map[1].mem_size = cpu_to_le32((ram_size / MiB) - 256);
62 }
63
init_system_loongson(void * g_system)64 static void init_system_loongson(void *g_system)
65 {
66 struct system_loongson *s = g_system;
67
68 s->ccnuma_smp = cpu_to_le32(0);
69 s->sing_double_channel = cpu_to_le32(1);
70 s->nr_uarts = cpu_to_le32(1);
71 s->uarts[0].iotype = cpu_to_le32(2);
72 s->uarts[0].int_offset = cpu_to_le32(2);
73 s->uarts[0].uartclk = cpu_to_le32(25000000); /* Random value */
74 s->uarts[0].uart_base = cpu_to_le64(virt_memmap[VIRT_UART].base);
75 }
76
init_irq_source(void * g_irq_source)77 static void init_irq_source(void *g_irq_source)
78 {
79 struct irq_source_routing_table *irq_info = g_irq_source;
80
81 irq_info->node_id = cpu_to_le32(0);
82 irq_info->PIC_type = cpu_to_le32(0);
83 irq_info->dma_mask_bits = cpu_to_le16(64);
84 irq_info->pci_mem_start_addr = cpu_to_le64(virt_memmap[VIRT_PCIE_MMIO].base);
85 irq_info->pci_mem_end_addr = cpu_to_le64(virt_memmap[VIRT_PCIE_MMIO].base +
86 virt_memmap[VIRT_PCIE_MMIO].size - 1);
87 irq_info->pci_io_start_addr = cpu_to_le64(virt_memmap[VIRT_PCIE_PIO].base);
88 }
89
init_interface_info(void * g_interface)90 static void init_interface_info(void *g_interface)
91 {
92 struct interface_info *interface = g_interface;
93
94 interface->vers = cpu_to_le16(0x01);
95 strpadcpy(interface->description, 64, "UEFI_Version_v1.0", '\0');
96 }
97
board_devices_info(void * g_board)98 static void board_devices_info(void *g_board)
99 {
100 struct board_devices *bd = g_board;
101
102 strpadcpy(bd->name, 64, "Loongson-3A-VIRT-1w-V1.00-demo", '\0');
103 }
104
init_special_info(void * g_special)105 static void init_special_info(void *g_special)
106 {
107 struct loongson_special_attribute *special = g_special;
108
109 strpadcpy(special->special_name, 64, "2018-05-01", '\0');
110 }
111
init_loongson_params(struct loongson_params * lp,void * p,uint64_t cpu_freq,uint64_t ram_size)112 void init_loongson_params(struct loongson_params *lp, void *p,
113 uint64_t cpu_freq, uint64_t ram_size)
114 {
115 init_cpu_info(p, cpu_freq);
116 lp->cpu_offset = cpu_to_le64((uintptr_t)p - (uintptr_t)lp);
117 p += ROUND_UP(sizeof(struct efi_cpuinfo_loongson), 64);
118
119 init_memory_map(p, ram_size);
120 lp->memory_offset = cpu_to_le64((uintptr_t)p - (uintptr_t)lp);
121 p += ROUND_UP(sizeof(struct efi_memory_map_loongson), 64);
122
123 init_system_loongson(p);
124 lp->system_offset = cpu_to_le64((uintptr_t)p - (uintptr_t)lp);
125 p += ROUND_UP(sizeof(struct system_loongson), 64);
126
127 init_irq_source(p);
128 lp->irq_offset = cpu_to_le64((uintptr_t)p - (uintptr_t)lp);
129 p += ROUND_UP(sizeof(struct irq_source_routing_table), 64);
130
131 init_interface_info(p);
132 lp->interface_offset = cpu_to_le64((uintptr_t)p - (uintptr_t)lp);
133 p += ROUND_UP(sizeof(struct interface_info), 64);
134
135 board_devices_info(p);
136 lp->boarddev_table_offset = cpu_to_le64((uintptr_t)p - (uintptr_t)lp);
137 p += ROUND_UP(sizeof(struct board_devices), 64);
138
139 init_special_info(p);
140 lp->special_offset = cpu_to_le64((uintptr_t)p - (uintptr_t)lp);
141 p += ROUND_UP(sizeof(struct loongson_special_attribute), 64);
142 }
143
init_reset_system(struct efi_reset_system_t * reset)144 void init_reset_system(struct efi_reset_system_t *reset)
145 {
146 reset->Shutdown = cpu_to_le64(0xffffffffbfc000a8);
147 reset->ResetCold = cpu_to_le64(0xffffffffbfc00080);
148 reset->ResetWarm = cpu_to_le64(0xffffffffbfc00080);
149 reset->DoSuspend = cpu_to_le64(0xffffffffbfc000d0);
150 }
151