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25#include "qemu/osdep.h"
26#include "qemu/units.h"
27#include "qemu-common.h"
28#include "cpu.h"
29#include "hw/hw.h"
30#include "hw/boards.h"
31#include "hw/char/serial.h"
32#include "hw/misc/unimp.h"
33#include "hw/loader.h"
34#include "hw/sparc/sparc64.h"
35#include "hw/timer/sun4v-rtc.h"
36#include "exec/address-spaces.h"
37#include "sysemu/block-backend.h"
38#include "qemu/error-report.h"
39#include "sysemu/qtest.h"
40
41
42typedef struct NiagaraBoardState {
43 MemoryRegion hv_ram;
44 MemoryRegion partition_ram;
45 MemoryRegion nvram;
46 MemoryRegion md_rom;
47 MemoryRegion hv_rom;
48 MemoryRegion vdisk_ram;
49 MemoryRegion prom;
50} NiagaraBoardState;
51
52#define NIAGARA_HV_RAM_BASE 0x100000ULL
53#define NIAGARA_HV_RAM_SIZE 0x3f00000ULL
54
55#define NIAGARA_PARTITION_RAM_BASE 0x80000000ULL
56
57#define NIAGARA_UART_BASE 0x1f10000000ULL
58
59#define NIAGARA_NVRAM_BASE 0x1f11000000ULL
60#define NIAGARA_NVRAM_SIZE 0x2000
61
62#define NIAGARA_MD_ROM_BASE 0x1f12000000ULL
63#define NIAGARA_MD_ROM_SIZE 0x2000
64
65#define NIAGARA_HV_ROM_BASE 0x1f12080000ULL
66#define NIAGARA_HV_ROM_SIZE 0x2000
67
68#define NIAGARA_IOBBASE 0x9800000000ULL
69#define NIAGARA_IOBSIZE 0x0100000000ULL
70
71#define NIAGARA_VDISK_BASE 0x1f40000000ULL
72#define NIAGARA_RTC_BASE 0xfff0c1fff8ULL
73#define NIAGARA_UART_BASE 0x1f10000000ULL
74
75
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81
82
83
84
85#define NIAGARA_PROM_BASE 0xfff0000000ULL
86#define NIAGARA_Q_OFFSET 0x10000ULL
87#define NIAGARA_OBP_OFFSET 0x80000ULL
88#define PROM_SIZE_MAX (4 * MiB)
89
90static void add_rom_or_fail(const char *file, const hwaddr addr)
91{
92
93
94
95 if (!qtest_enabled() && rom_add_file_fixed(file, addr, -1)) {
96 error_report("Unable to load a firmware for -M niagara");
97 exit(1);
98 }
99
100}
101
102static void niagara_init(MachineState *machine)
103{
104 NiagaraBoardState *s = g_new(NiagaraBoardState, 1);
105 DriveInfo *dinfo = drive_get_next(IF_PFLASH);
106 MemoryRegion *sysmem = get_system_memory();
107
108
109 sparc64_cpu_devinit(machine->cpu_type, NIAGARA_PROM_BASE);
110
111 memory_region_allocate_system_memory(&s->hv_ram, NULL, "sun4v-hv.ram",
112 NIAGARA_HV_RAM_SIZE);
113 memory_region_add_subregion(sysmem, NIAGARA_HV_RAM_BASE, &s->hv_ram);
114
115 memory_region_allocate_system_memory(&s->partition_ram, NULL,
116 "sun4v-partition.ram",
117 machine->ram_size);
118 memory_region_add_subregion(sysmem, NIAGARA_PARTITION_RAM_BASE,
119 &s->partition_ram);
120
121 memory_region_allocate_system_memory(&s->nvram, NULL,
122 "sun4v.nvram", NIAGARA_NVRAM_SIZE);
123 memory_region_add_subregion(sysmem, NIAGARA_NVRAM_BASE, &s->nvram);
124 memory_region_allocate_system_memory(&s->md_rom, NULL,
125 "sun4v-md.rom", NIAGARA_MD_ROM_SIZE);
126 memory_region_add_subregion(sysmem, NIAGARA_MD_ROM_BASE, &s->md_rom);
127 memory_region_allocate_system_memory(&s->hv_rom, NULL,
128 "sun4v-hv.rom", NIAGARA_HV_ROM_SIZE);
129 memory_region_add_subregion(sysmem, NIAGARA_HV_ROM_BASE, &s->hv_rom);
130 memory_region_allocate_system_memory(&s->prom, NULL,
131 "sun4v.prom", PROM_SIZE_MAX);
132 memory_region_add_subregion(sysmem, NIAGARA_PROM_BASE, &s->prom);
133
134 add_rom_or_fail("nvram1", NIAGARA_NVRAM_BASE);
135 add_rom_or_fail("1up-md.bin", NIAGARA_MD_ROM_BASE);
136 add_rom_or_fail("1up-hv.bin", NIAGARA_HV_ROM_BASE);
137
138 add_rom_or_fail("reset.bin", NIAGARA_PROM_BASE);
139 add_rom_or_fail("q.bin", NIAGARA_PROM_BASE + NIAGARA_Q_OFFSET);
140 add_rom_or_fail("openboot.bin", NIAGARA_PROM_BASE + NIAGARA_OBP_OFFSET);
141
142
143
144 if (dinfo) {
145 BlockBackend *blk = blk_by_legacy_dinfo(dinfo);
146 int size = blk_getlength(blk);
147 if (size > 0) {
148 memory_region_allocate_system_memory(&s->vdisk_ram, NULL,
149 "sun4v_vdisk.ram", size);
150 memory_region_add_subregion(get_system_memory(),
151 NIAGARA_VDISK_BASE, &s->vdisk_ram);
152 dinfo->is_default = 1;
153 rom_add_file_fixed(blk_bs(blk)->filename, NIAGARA_VDISK_BASE, -1);
154 } else {
155 error_report("could not load ram disk '%s'",
156 blk_bs(blk)->filename);
157 exit(1);
158 }
159 }
160 if (serial_hd(0)) {
161 serial_mm_init(sysmem, NIAGARA_UART_BASE, 0, NULL, 115200,
162 serial_hd(0), DEVICE_BIG_ENDIAN);
163 }
164 create_unimplemented_device("sun4v-iob", NIAGARA_IOBBASE, NIAGARA_IOBSIZE);
165 sun4v_rtc_init(NIAGARA_RTC_BASE);
166}
167
168static void niagara_class_init(ObjectClass *oc, void *data)
169{
170 MachineClass *mc = MACHINE_CLASS(oc);
171
172 mc->desc = "Sun4v platform, Niagara";
173 mc->init = niagara_init;
174 mc->max_cpus = 1;
175 mc->default_boot_order = "c";
176 mc->default_cpu_type = SPARC_CPU_TYPE_NAME("Sun-UltraSparc-T1");
177}
178
179static const TypeInfo niagara_type = {
180 .name = MACHINE_TYPE_NAME("niagara"),
181 .parent = TYPE_MACHINE,
182 .class_init = niagara_class_init,
183};
184
185static void niagara_register_types(void)
186{
187 type_register_static(&niagara_type);
188}
189
190type_init(niagara_register_types)
191